Ask OpenScientist

Ask a research question about 46,XX Gonadal Dysgenesis. OpenScientist will conduct autonomous deep research using the Disorder Mechanisms Knowledge Base and PubMed literature (typically 10-30 minutes).

Submitting...

Do not include personal health information in your question. Questions and results are cached in your browser's local storage.

1
Mappings
1
Definitions
2
Inheritance
8
Pathophys.
7
Phenotypes
1
Gaps
23
Pathograph
4
Genes
6
Medical Actions
5
Subtypes
1
Trials
19
References
2
Deep Research
🔗

Mappings

MONDO
MONDO:0009299 46 XX gonadal dysgenesis
skos:exactMatch MONDO
Primary MONDO disease identifier for 46,XX gonadal dysgenesis.
📘

Definitions

1
Clinical disease framing for 46,XX gonadal dysgenesis
46,XX gonadal dysgenesis is a disease-level ovarian developmental failure state defined by a normal 46,XX karyotype, phenotypically female external genitalia, underdeveloped or streak ovaries, absent spontaneous puberty, primary amenorrhea, uterine hypoplasia, and hypergonadotropic hypogonadism.
CASE_DEFINITION Disease anchor for isolated 46,XX gonadal dysgenesis rather than a generic 46,XX DSD phenotype bucket.
Show evidence (1 reference)
PMID:26485283 SUPPORT Human Clinical
"XX female gonadal dysgenesis (XX-GD) is a rare, genetically heterogeneous disorder that is characterized by underdeveloped, dysfunctional ovaries, with subsequent lack of spontaneous pubertal development, primary amenorrhea, uterine hypoplasia, and hypergonadotropic hypogonadism."
This abstract provides a compact disease-level definition for isolated 46,XX gonadal dysgenesis.
👪

Inheritance

2
Autosomal recessive HP:0000007
Isolated FSHR-, NUP107-, and PSMC3IP-related forms are recessive, and Perrault-spectrum 46,XX ovarian dysfunction with hearing impairment is also recessive.
Autosomal recessive inheritance
Show evidence (2 references)
PMID:26485283 SUPPORT Human Clinical
"Using homozygosity mapping and whole-exome sequencing, we identified a recessive missense mutation in nucleoporin-107 (NUP107, c.1339G>A, p.D447N)."
Establishes a recessive isolated subtype.
PMID:32423379 SUPPORT Other
"Perrault syndrome (MIM: 233400) is a rare recessive genetically heterogeneous disorder characterized by sensorineural hearing loss in males and females and ovarian dysfunction in females [1]."
Establishes recessive inheritance for the Perrault-spectrum branch.
Autosomal dominant with variable penetrance HP:0000006
NR5A1-related ovarian developmental failure can segregate dominantly with incomplete penetrance and variable expressivity, while rare recessive NR5A1 families have also been described.
Autosomal dominant inheritance
Show evidence (1 reference)
PMID:19246354 SUPPORT Human Clinical
"Families 1, 3, and 4 show a dominant mode of inheritance, whereas Family 2 shows a recessive mode."
Supports autosomal dominant inheritance for most NR5A1 families in this series and flags the documented recessive exception.

Subtypes

5
gene
Ovarian dysgenesis 1 (FSHR-related) MONDO:0024463
FSHR hgnc:3969 Autosomal recessive inheritance
Autosomal recessive FSHR-related ovarian dysgenesis caused by impaired follicle-stimulating hormone receptor binding and signal transduction in granulosa-cell pathways.
Show evidence (1 reference)
PMID:7553856 SUPPORT Human Clinical
"Hypergonadotropic ovarian dysgenesis (ODG) with normal karyotype is a heterogeneous condition that in some cases displays Mendelian recessive inheritance."
Establishes FSHR-related ovarian dysgenesis as a recessive subtype.
Ovarian dysgenesis 2 (NUP107-related) MONDO:0010349
NUP107 hgnc:29914 Autosomal recessive inheritance
Autosomal recessive NUP107-related subtype linking nuclear pore dysfunction and defective oogenesis to isolated 46,XX gonadal dysgenesis.
Show evidence (1 reference)
PMID:26485283 SUPPORT Human Clinical
"Using homozygosity mapping and whole-exome sequencing, we identified a recessive missense mutation in nucleoporin-107 (NUP107, c.1339G>A, p.D447N)."
Defines the recessive NUP107-related subtype.
Ovarian dysgenesis 3 (PSMC3IP/HOP2-related) MONDO:0013689
PSMC3IP hgnc:17928 Autosomal recessive inheritance
Autosomal recessive PSMC3IP-related subtype in which a homozygous HOP2 coactivator defect disrupts estrogen-driven transcription and follicular-pool maintenance.
Show evidence (1 reference)
PMID:21963259 SUPPORT Human Clinical
"Affected females were homozygous for a 3 bp deletion (NM_016556.2, c.600_602del) in the PSMC3IP gene, leading to deletion of a glutamic acid residue (p.Glu201del) in the highly conserved C-terminal acidic domain."
Defines the homozygous PSMC3IP-related subtype.
NR5A1-related 46,XX gonadal dysgenesis/ovarian insufficiency
NR5A1 hgnc:7983 Autosomal dominant inheritance
NR5A1-related ovarian developmental failure overlaps 46,XX gonadal dysgenesis and primary ovarian insufficiency, most often through dominant familial variants with variable penetrance and expressivity.
Show evidence (1 reference)
PMID:19246354 SUPPORT Human Clinical
"Families 1, 3, and 4 show a dominant mode of inheritance, whereas Family 2 shows a recessive mode."
Supports dominant NR5A1 inheritance while preserving the reported variability in penetrance and inheritance mode.
syndromic
Perrault-spectrum 46,XX gonadal dysgenesis MONDO:0017312
HARS2 hgnc:4817 HSD17B4 hgnc:5213 CLPP hgnc:2084 TWNK hgnc:1160 LARS2 hgnc:17095 Autosomal recessive inheritance
Autosomal recessive syndromic branch with ovarian dysgenesis or primary ovarian insufficiency in 46,XX individuals plus sensorineural hearing impairment.
Show evidence (1 reference)
PMID:32423379 SUPPORT Other
"Perrault syndrome (MIM: 233400) is a rare recessive genetically heterogeneous disorder characterized by sensorineural hearing loss in males and females and ovarian dysfunction in females [1]."
Supports the syndromic 46,XX gonadal-dysgenesis branch with hearing impairment.
?

Discussions and Knowledge Gaps

1
In genetically unsolved 46,XX gonadal dysgenesis, how often do combined heterozygous variants in ovarian maturation genes act as modifiers or oligogenic contributors rather than independent monogenic causes?
KNOWLEDGE GAP OPEN gap_46xx_gd_oligogenic_modifier_burden
Case-level data support a possible synergic FIGLA/NOBOX/NR5A1 model, but the evidence is not yet strong enough to reclassify each variant as a general causal mechanism for this disease entity.
Show evidence (1 reference)
PMID:33101191 SUPPORT Human Clinical
"Our results support the hypothesis that the severity of the clinical picture of the proband, resulting in complete ovarian dysgenesis, may be due to a synergic detrimental effect of inherited genetic variants."
This supports preserving the oligogenic modifier model as an open disease-mechanism question rather than a settled single-gene assertion.

Pathophysiology

8
Genetic disruption of female gonad development
46,XX gonadal dysgenesis is genetically heterogeneous, but the shared proximal lesion is failure of gene programs required for ovarian development and maintenance.
female gonad development GO:0008585 ↓ DECREASED gonad development GO:0008406 ↓ DECREASED
Show evidence (2 references)
PMID:26485283 SUPPORT Human Clinical
"These results indicate a pivotal role for NUP107 in ovarian development and suggest that nucleoporin defects may play a role in milder and more common conditions such as premature ovarian failure."
This directly supports ovarian developmental failure as a proximal mechanism in 46,XX gonadal dysgenesis.
PMID:19246354 SUPPORT Human Clinical
"Mutations were associated with a range of ovarian anomalies, including 46,XX gonadal dysgenesis and 46,XX primary ovarian insufficiency."
This shows that multiple ovarian-development genes can anchor the same disease entity and its close overlap with ovarian insufficiency.
NUP107 nuclear-pore oogenesis defect
NUP107-related ovarian dysgenesis links a nuclear pore component to sex-specific defective oogenesis and ovarian development in 46,XX individuals.
oocyte CL:0000023
NUP107 hgnc:29914
nuclear pore GO:0005643
Show evidence (2 references)
PMID:26485283 SUPPORT Model Organism
"NUP107 is a component of the nuclear pore complex, and the NUP107-associated protein SEH1 is required for oogenesis in Drosophila."
Supports the nuclear-pore and oogenesis mechanism for NUP107-related disease.
PMID:26485283 SUPPORT Model Organism
"In Drosophila, Nup107 knockdown in somatic gonadal cells resulted in female sterility, whereas males were fully fertile."
Supports a sex-specific ovarian requirement for NUP107 activity.
PSMC3IP estrogen-receptor coactivation failure
PSMC3IP/HOP2-related disease disrupts estrogen-driven nuclear-receptor coactivation, reducing fetal follicular-pool establishment and increasing vulnerability to follicular atresia during puberty.
oocyte CL:0000023
PSMC3IP hgnc:17928
ovarian follicle development GO:0001541 ↓ DECREASED
Show evidence (2 references)
PMID:21963259 SUPPORT In Vitro
"In cell lines, the p.Glu201del mutation abolished PSMC3IP activation of estrogen-driven transcription."
Directly supports loss of estrogen-driven transcriptional coactivation.
PMID:21963259 SUPPORT Human Clinical
"Impaired estrogenic signaling can lead to ovarian dysgenesis both by affecting the size of the follicular pool created during fetal development and by failing to counteract follicular atresia during puberty."
Links PSMC3IP-driven estrogenic-signaling failure to the developmental and pubertal ovarian phenotype.
FSHR receptor signaling resistance
FSHR-related ovarian dysgenesis impairs follicle-stimulating hormone receptor signaling, producing follicular arrest with hypergonadotropic ovarian failure.
granulosa cell CL:0000501
FSHR hgnc:3969
response to follicle-stimulating hormone GO:0032354 ↓ DECREASED
Show evidence (1 reference)
PMID:7553856 SUPPORT In Vitro
"Expression of the gene in transfected cells demonstrated a dramatic reduction of binding capacity and signal transduction, but apparently normal ligand-binding affinity of the mutated receptor."
Directly supports receptor signaling resistance as the FSHR mechanism.
NR5A1 steroidogenic transcription dosage defect
NR5A1-related ovarian insufficiency reflects impaired transcriptional activation of steroidogenic and follicle-growth genes in ovarian cells, with variable penetrance and expressivity across families.
granulosa cell CL:0000501
NR5A1 hgnc:7983
estrogen biosynthetic process GO:0006703 ↓ DECREASED
Show evidence (1 reference)
PMID:19246354 SUPPORT In Vitro
"Our data show that mutated forms of NR5A1, detected in subjects with anomalies of ovarian development and function, show quantitative impairment in the transactivation of two of these factors (CYP11A1 and CYP19A1)."
Directly supports impaired NR5A1 transcriptional output as the molecular mechanism.
Impaired hormonal signaling and folliculogenesis
A major shared mechanistic branch is reduced ovarian hormone-response and follicular maintenance, including impaired FSH signaling and defective estrogen-responsive transcription.
granulosa cell CL:0000501 oocyte CL:0000023
response to follicle-stimulating hormone GO:0032354 ↓ DECREASED ovarian follicle development GO:0001541 ↓ DECREASED
Show evidence (2 references)
PMID:7553856 SUPPORT In Vitro
"Expression of the gene in transfected cells demonstrated a dramatic reduction of binding capacity and signal transduction, but apparently normal ligand-binding affinity of the mutated receptor."
This directly supports impaired FSH signaling as one disease-causing mechanistic branch in 46,XX gonadal dysgenesis.
PMID:21963259 SUPPORT Human Clinical
"Impaired estrogenic signaling can lead to ovarian dysgenesis both by affecting the size of the follicular pool created during fetal development and by failing to counteract follicular atresia during puberty."
This supports defective estrogen-responsive transcription and accelerated follicular loss as another shared mechanistic branch.
Streak gonads and ovarian failure
The convergent anatomical outcome is a streak or severely underdeveloped ovary with little or no effective steroidogenic or follicular function.
estrogen biosynthetic process GO:0006703 ↓ DECREASED
Show evidence (2 references)
PMID:26485283 SUPPORT Human Clinical
"XX female gonadal dysgenesis (XX-GD) is a rare, genetically heterogeneous disorder that is characterized by underdeveloped, dysfunctional ovaries, with subsequent lack of spontaneous pubertal development, primary amenorrhea, uterine hypoplasia, and hypergonadotropic hypogonadism."
This supports underdeveloped dysfunctional ovaries as the shared anatomic lesion of the disease.
PMID:21963259 SUPPORT Human Clinical
"XX female gonadal dysgenesis (XX-GD) is a rare, genetically heterogeneous disorder characterized by lack of spontaneous pubertal development, primary amenorrhea, uterine hypoplasia, and hypergonadotropic hypogonadism as a result of streak gonads."
This explicitly identifies streak gonads as the proximate cause of the endocrine and reproductive phenotype.
Hypoestrogenic hypergonadotropic state
Loss of ovarian steroidogenic function results in estrogen deficiency and compensatory elevation of pituitary gonadotropins, driving pubertal failure and amenorrhea.
gonadotropin secretion GO:0032274 ↑ INCREASED
Show evidence (2 references)
PMID:26485283 SUPPORT Human Clinical
"XX female gonadal dysgenesis (XX-GD) is a rare, genetically heterogeneous disorder that is characterized by underdeveloped, dysfunctional ovaries, with subsequent lack of spontaneous pubertal development, primary amenorrhea, uterine hypoplasia, and hypergonadotropic hypogonadism."
This supports the downstream hypoestrogenic hypergonadotropic endocrine state as a core mechanistic consequence.
PMID:8855829 SUPPORT Human Clinical
"Clinically, both groups of patients were characterized by primary or early secondary amenorrhea, variable development of secondary sex characteristics, and high serum levels of FSH and LH."
This links the endocrine state to amenorrhea and impaired pubertal development in a mechanistically defined XX-GD subset.

Pathograph

Use the checkboxes to hide or show graph categories. Hover nodes for evidence and cross-linked metadata.
Pathograph: causal mechanism network for 46,XX Gonadal Dysgenesis Interactive directed graph showing how pathophysiology mechanisms, phenotypes, genetic factors and variants, experimental models, environmental triggers, and treatments relate through causal and linked edges.

Phenotypes

7
Ear 1
Sensorineural hearing impairment Sensorineural hearing impairment HP:0000407
Show evidence (1 reference)
PMID:32423379 SUPPORT Human Clinical
"Perrault syndrome (MIM: 233400) is a rare recessive genetically heterogeneous disorder characterized by sensorineural hearing loss in males and females and ovarian dysfunction in females [1]."
Supports hearing impairment as the key syndromic feature of the Perrault-spectrum subtype.
Endocrine 2
Delayed Puberty Delayed puberty HP:0000823
Show evidence (1 reference)
PMID:26485283 SUPPORT Human Clinical
"XX female gonadal dysgenesis (XX-GD) is a rare, genetically heterogeneous disorder that is characterized by underdeveloped, dysfunctional ovaries, with subsequent lack of spontaneous pubertal development, primary amenorrhea, uterine hypoplasia, and hypergonadotropic hypogonadism."
The abstract explicitly supports absent spontaneous pubertal development, which maps to delayed puberty at the phenotype level.
Hypergonadotropic Hypogonadism Hypergonadotropic hypogonadism HP:0000815
Show evidence (2 references)
PMID:26485283 SUPPORT Human Clinical
"XX female gonadal dysgenesis (XX-GD) is a rare, genetically heterogeneous disorder that is characterized by underdeveloped, dysfunctional ovaries, with subsequent lack of spontaneous pubertal development, primary amenorrhea, uterine hypoplasia, and hypergonadotropic hypogonadism."
This explicitly identifies hypergonadotropic hypogonadism as part of the core XX-GD phenotype.
PMID:8855829 SUPPORT Human Clinical
"Clinically, both groups of patients were characterized by primary or early secondary amenorrhea, variable development of secondary sex characteristics, and high serum levels of FSH and LH."
This supports elevated gonadotropins as the endocrine signature of a mechanistically defined XX-GD subset.
Genitourinary 4
Gonadal Dysgenesis Gonadal dysgenesis HP:0000133
Show evidence (1 reference)
PMID:26485283 SUPPORT Human Clinical
"XX female gonadal dysgenesis (XX-GD) is a rare, genetically heterogeneous disorder that is characterized by underdeveloped, dysfunctional ovaries, with subsequent lack of spontaneous pubertal development, primary amenorrhea, uterine hypoplasia, and hypergonadotropic hypogonadism."
This directly supports gonadal dysgenesis as the structural hallmark phenotype.
Primary Amenorrhea Primary amenorrhea HP:0000786
Show evidence (1 reference)
PMID:21963259 SUPPORT Human Clinical
"XX female gonadal dysgenesis (XX-GD) is a rare, genetically heterogeneous disorder characterized by lack of spontaneous pubertal development, primary amenorrhea, uterine hypoplasia, and hypergonadotropic hypogonadism as a result of streak gonads."
This directly supports primary amenorrhea as a core diagnostic phenotype.
Uterine Hypoplasia Aplasia/hypoplasia of the uterus HP:0008684
Show evidence (1 reference)
PMID:26485283 SUPPORT Human Clinical
"XX female gonadal dysgenesis (XX-GD) is a rare, genetically heterogeneous disorder that is characterized by underdeveloped, dysfunctional ovaries, with subsequent lack of spontaneous pubertal development, primary amenorrhea, uterine hypoplasia, and hypergonadotropic hypogonadism."
This directly supports uterine hypoplasia as part of the core disease phenotype.
Female Infertility Female infertility HP:0008222
Show evidence (1 reference)
PMID:21963259 SUPPORT Human Clinical
"XX female gonadal dysgenesis (XX-GD) is a rare, genetically heterogeneous disorder characterized by lack of spontaneous pubertal development, primary amenorrhea, uterine hypoplasia, and hypergonadotropic hypogonadism as a result of streak gonads."
Streak gonads imply loss of functional ovarian tissue and support female infertility as a downstream reproductive consequence.
🧬

Genetic Associations

4
NUP107 (CAUSATIVE)
Gene: NUP107 hgnc:29914
Autosomal recessive
Show evidence (1 reference)
PMID:26485283 SUPPORT Human Clinical
"Using homozygosity mapping and whole-exome sequencing, we identified a recessive missense mutation in nucleoporin-107 (NUP107, c.1339G>A, p.D447N)."
This identifies NUP107 as a causal recessive gene for familial 46,XX gonadal dysgenesis.
PSMC3IP (CAUSATIVE)
Gene: PSMC3IP hgnc:17928
Autosomal recessive
Show evidence (1 reference)
PMID:21963259 SUPPORT Human Clinical
"Affected females were homozygous for a 3 bp deletion (NM_016556.2, c.600_602del) in the PSMC3IP gene, leading to deletion of a glutamic acid residue (p.Glu201del) in the highly conserved C-terminal acidic domain."
This establishes PSMC3IP as a causal gene in a familial 46,XX gonadal dysgenesis pedigree.
FSHR (CAUSATIVE)
Gene: FSHR hgnc:3969
Autosomal recessive
Show evidence (1 reference)
PMID:7553856 SUPPORT Human Clinical
"We conclude that the mutation causes ODG in these families."
This provides direct causal evidence for FSHR-mediated ovarian dysgenesis.
NR5A1 (CAUSATIVE)
Gene: NR5A1 hgnc:7983
Autosomal dominant with variable penetrance
Show evidence (1 reference)
PMID:19246354 SUPPORT Human Clinical
"Mutations were associated with a range of ovarian anomalies, including 46,XX gonadal dysgenesis and 46,XX primary ovarian insufficiency."
This shows that NR5A1 can anchor both 46,XX gonadal dysgenesis and the adjacent ovarian-insufficiency phenotype space.
💊

Medical Actions

6
Pubertal induction and long-term hormone replacement
Action: sex hormone modifying agent therapy MAXO:0000282
Estrogen-based pubertal induction followed by estrogen-progestogen maintenance is used to initiate and sustain puberty, support secondary sexual characteristics, and reduce long-term consequences of hypoestrogenism.
Target Phenotypes: Delayed puberty HP:0000823 Hypergonadotropic hypogonadism HP:0000815
Show evidence (2 references)
PMID:36300209 SUPPORT Other
"Girls with hypogonadism require hormone replacement therapy to initiate and sustain puberty."
Supports pubertal induction and maintenance hormone replacement for hypogonadal adolescents.
PMID:35142292 SUPPORT Human Clinical
"Hormone replacement therapy remains the only therapeutic option for the development of secondary sexual characteristics and the prevention of osteoporosis."
This directly supports hormone replacement therapy as core conservative management for 46,XX gonadal dysgenesis.
Cyclic estrogen-progestogen maintenance when uterus is present
Action: sex hormone modifying agent therapy MAXO:0000282
Once estrogenized uterine tissue is present, cyclic progestogen is used with estrogen to oppose endometrial effects during long-term replacement.
Target Phenotypes: Hypergonadotropic hypogonadism HP:0000815
Show evidence (1 reference)
PMID:31809259 SUPPORT Human Clinical
"Treatment with estrogen and progesterone are required for reducing the risk of endometrial hyperplasia and carcinoma, which will increase due to long-term application of estrogen without opposition."
Supports cyclic progestogen addition to estrogen replacement when uterine tissue is present.
Bone-health monitoring and calcium-vitamin D support
Action: Dual-energy X-ray absorptiometry procedure MAXO:0020004
Delayed diagnosis and prolonged hypoestrogenism can cause osteopenia or osteoporosis, so bone-density monitoring plus calcium and vitamin D support should accompany hormone replacement.
Show evidence (2 references)
PMID:31809259 SUPPORT Human Clinical
"Early initiation of estrogen therapy is essential to minimize bone loss. Moreover, lifelong oral calcium and vitamin D supplement should be given to maintain bone health."
Supports bone-focused management in hypoestrogenic 46,XX gonadal dysgenesis.
PMID:24945456 SUPPORT Other
"The goals of hormonal therapy extend beyond simply symptom relief to levels that support bone, cardiovascular, and sexual health."
General adolescent POI guidance supports bone-health goals for hormone therapy.
Fertility and reproductive counseling
Action: behavioral counseling MAXO:0000077
Counseling should cover infertility expectations, reproductive endocrinology referral, donor-oocyte or gestational-surrogacy pathways when relevant, and recurrence-risk implications for inherited subtypes.
Target Phenotypes: Female infertility HP:0008222
Show evidence (2 references)
PMID:24945456 SUPPORT Other
"Patients and their families should be counseled on the effect of the patient's condition on future fertility, on the risk of comorbidities associated with primary ovarian insufficiency, and on the condition's potential for genetic inheritance."
Supports fertility and inheritance counseling in adolescent ovarian insufficiency.
PMID:31809259 PARTIAL Human Clinical
"She has been informed about future options for having children by adoption or gestational surrogacy."
Case-level evidence supports reproductive-option counseling, though it is not a comparative intervention study.
Psychologic support and longitudinal follow-up
Action: behavioral counseling MAXO:0000077
Diagnosis can affect self-esteem, emotional health, fertility expectations, and identity; longitudinal care should include psychologic counseling and at least annual follow-up for ovarian-insufficiency consequences.
Show evidence (2 references)
PMID:24945456 SUPPORT Other
"Psychologic counseling also should be offered because impaired self-esteem and emotional distress have been reported after diagnosis of primary ovarian insufficiency."
Supports psychologic counseling after diagnosis.
PMID:24945456 SUPPORT Other
"Once primary ovarian insufficiency is diagnosed, patients should be evaluated at least annually."
Supports longitudinal follow-up.
Audiology and hearing-support management for Perrault-spectrum cases
Action: audiologist evaluation MAXO:0000734
Perrault-spectrum patients need multidisciplinary hearing assessment and intervention planning in parallel with endocrine surveillance.
Target Phenotypes: Sensorineural hearing impairment HP:0000407
Show evidence (1 reference)
PMID:32423379 SUPPORT Other
"Hearing loss should be assessed and treated by a multidisciplinary team including an audiologist and otolaryngologist."
Supports audiology-led hearing management for the Perrault-spectrum subtype.
🔬

Clinical Trials

1
NCT06518746 NOT_APPLICABLE RECRUITING
Pilot interventional study evaluating gonadal tissue cryopreservation for fertility preservation or restoration of hormonal function in patients with gonadal dysgenesis/DSD who are at risk of decreased fertility potential or malignancy.
Target Phenotypes: female infertility HP:0008222
Show evidence (1 reference)
clinicaltrials:NCT06518746 SUPPORT Human Clinical
"The overall objective of this study is to determine the safety and efficacy of gonadal tissue cryopreservation as a method of preserving fertility and/or restoring hormonal function in patients with gonadal dysgenesis who are at risk of decreased fertility potential or malignancy."
ClinicalTrials.gov describes an active gonadal tissue cryopreservation study directly relevant to infertility risk in gonadal dysgenesis.
{ }

Source YAML

click to show
name: 46,XX Gonadal Dysgenesis
creation_date: "2026-04-14T05:40:11Z"
updated_date: "2026-05-31T10:35:00Z"
category: Mendelian
description: >-
  46,XX gonadal dysgenesis is a rare, genetically heterogeneous ovarian
  developmental disorder in phenotypically female individuals with a normal
  46,XX karyotype. The shared disease mechanism is failure of ovarian
  development and folliculogenesis, producing streak or severely
  underdeveloped ovaries, estrogen deficiency, hypergonadotropic hypogonadism,
  absent spontaneous pubertal development, primary amenorrhea, uterine
  hypoplasia, and infertility. The entry includes isolated gene-defined forms
  and a Perrault-spectrum syndromic branch with sensorineural hearing
  impairment, but anchors ovarian developmental failure rather than broader
  46,XX disorder-of-sex-development phenotype mentions caused by other
  mechanisms such as prenatal androgen excess.
disease_term:
  preferred_term: 46,XX gonadal dysgenesis
  term:
    id: MONDO:0009299
    label: 46 XX gonadal dysgenesis
synonyms:
- 46 XX gonadal dysgenesis
- XX female gonadal dysgenesis
- 46,XX ovarian dysgenesis
- 46,XX pure gonadal dysgenesis
parents:
- Disorder of sex development
- Primary ovarian insufficiency
- Gonadal development disorder
definitions:
- name: Clinical disease framing for 46,XX gonadal dysgenesis
  definition_type: CASE_DEFINITION
  description: >-
    46,XX gonadal dysgenesis is a disease-level ovarian developmental failure
    state defined by a normal 46,XX karyotype, phenotypically female external
    genitalia, underdeveloped or streak ovaries, absent spontaneous puberty,
    primary amenorrhea, uterine hypoplasia, and hypergonadotropic
    hypogonadism.
  scope: >-
    Disease anchor for isolated 46,XX gonadal dysgenesis rather than a generic
    46,XX DSD phenotype bucket.
  evidence:
  - reference: PMID:26485283
    reference_title: A mutation in the nucleoporin-107 gene causes XX gonadal dysgenesis.
    supports: SUPPORT
    evidence_source: HUMAN_CLINICAL
    snippet: >-
      XX female gonadal dysgenesis (XX-GD) is a rare, genetically heterogeneous
      disorder that is characterized by underdeveloped, dysfunctional ovaries,
      with subsequent lack of spontaneous pubertal development, primary
      amenorrhea, uterine hypoplasia, and hypergonadotropic hypogonadism.
    explanation: >-
      This abstract provides a compact disease-level definition for isolated
      46,XX gonadal dysgenesis.
mappings:
  mondo_mappings:
  - term:
      id: MONDO:0009299
      label: 46 XX gonadal dysgenesis
    mapping_predicate: skos:exactMatch
    mapping_source: MONDO
    mapping_justification: Primary MONDO disease identifier for 46,XX gonadal dysgenesis.
has_subtypes:
- name: ODG1-FSHR
  display_name: Ovarian dysgenesis 1 (FSHR-related)
  classification: gene
  description: >-
    Autosomal recessive FSHR-related ovarian dysgenesis caused by impaired
    follicle-stimulating hormone receptor binding and signal transduction in
    granulosa-cell pathways.
  subtype_term:
    preferred_term: ovarian dysgenesis 1
    term:
      id: MONDO:0024463
      label: ovarian dysgenesis 1
  genes:
  - preferred_term: FSHR
    term:
      id: hgnc:3969
      label: FSHR
  inheritance:
  - name: Autosomal recessive
    inheritance_term:
      preferred_term: Autosomal recessive inheritance
      term:
        id: HP:0000007
        label: Autosomal recessive inheritance
  evidence:
  - reference: PMID:7553856
    reference_title: >-
      Mutation in the follicle-stimulating hormone receptor gene causes
      hereditary hypergonadotropic ovarian failure.
    supports: SUPPORT
    evidence_source: HUMAN_CLINICAL
    snippet: >-
      Hypergonadotropic ovarian dysgenesis (ODG) with normal karyotype is a
      heterogeneous condition that in some cases displays Mendelian recessive
      inheritance.
    explanation: >-
      Establishes FSHR-related ovarian dysgenesis as a recessive subtype.
- name: ODG2-NUP107
  display_name: Ovarian dysgenesis 2 (NUP107-related)
  classification: gene
  description: >-
    Autosomal recessive NUP107-related subtype linking nuclear pore dysfunction
    and defective oogenesis to isolated 46,XX gonadal dysgenesis.
  subtype_term:
    preferred_term: ovarian dysgenesis 2
    term:
      id: MONDO:0010349
      label: ovarian dysgenesis 2
  genes:
  - preferred_term: NUP107
    term:
      id: hgnc:29914
      label: NUP107
  inheritance:
  - name: Autosomal recessive
    inheritance_term:
      preferred_term: Autosomal recessive inheritance
      term:
        id: HP:0000007
        label: Autosomal recessive inheritance
  evidence:
  - reference: PMID:26485283
    reference_title: A mutation in the nucleoporin-107 gene causes XX gonadal dysgenesis.
    supports: SUPPORT
    evidence_source: HUMAN_CLINICAL
    snippet: >-
      Using homozygosity mapping and whole-exome sequencing, we identified a
      recessive missense mutation in nucleoporin-107 (NUP107, c.1339G>A,
      p.D447N).
    explanation: >-
      Defines the recessive NUP107-related subtype.
- name: ODG3-PSMC3IP
  display_name: Ovarian dysgenesis 3 (PSMC3IP/HOP2-related)
  classification: gene
  description: >-
    Autosomal recessive PSMC3IP-related subtype in which a homozygous HOP2
    coactivator defect disrupts estrogen-driven transcription and follicular-pool
    maintenance.
  subtype_term:
    preferred_term: ovarian dysgenesis 3
    term:
      id: MONDO:0013689
      label: ovarian dysgenesis 3
  genes:
  - preferred_term: PSMC3IP
    term:
      id: hgnc:17928
      label: PSMC3IP
  inheritance:
  - name: Autosomal recessive
    inheritance_term:
      preferred_term: Autosomal recessive inheritance
      term:
        id: HP:0000007
        label: Autosomal recessive inheritance
  evidence:
  - reference: PMID:21963259
    reference_title: >-
      XX ovarian dysgenesis is caused by a PSMC3IP/HOP2 mutation that abolishes
      coactivation of estrogen-driven transcription.
    supports: SUPPORT
    evidence_source: HUMAN_CLINICAL
    snippet: >-
      Affected females were homozygous for a 3 bp deletion (NM_016556.2,
      c.600_602del) in the PSMC3IP gene, leading to deletion of a glutamic acid
      residue (p.Glu201del) in the highly conserved C-terminal acidic domain.
    explanation: >-
      Defines the homozygous PSMC3IP-related subtype.
- name: ODG4-NR5A1
  display_name: NR5A1-related 46,XX gonadal dysgenesis/ovarian insufficiency
  classification: gene
  description: >-
    NR5A1-related ovarian developmental failure overlaps 46,XX gonadal
    dysgenesis and primary ovarian insufficiency, most often through dominant
    familial variants with variable penetrance and expressivity.
  genes:
  - preferred_term: NR5A1
    term:
      id: hgnc:7983
      label: NR5A1
  inheritance:
  - name: Autosomal dominant with variable penetrance
    inheritance_term:
      preferred_term: Autosomal dominant inheritance
      term:
        id: HP:0000006
        label: Autosomal dominant inheritance
  evidence:
  - reference: PMID:19246354
    reference_title: Mutations in NR5A1 associated with ovarian insufficiency.
    supports: SUPPORT
    evidence_source: HUMAN_CLINICAL
    snippet: >-
      Families 1, 3, and 4 show a dominant mode of inheritance, whereas Family 2
      shows a recessive mode.
    explanation: >-
      Supports dominant NR5A1 inheritance while preserving the reported
      variability in penetrance and inheritance mode.
- name: Perrault-spectrum
  display_name: Perrault-spectrum 46,XX gonadal dysgenesis
  classification: syndromic
  description: >-
    Autosomal recessive syndromic branch with ovarian dysgenesis or primary
    ovarian insufficiency in 46,XX individuals plus sensorineural hearing
    impairment.
  subtype_term:
    preferred_term: Perrault syndrome
    term:
      id: MONDO:0017312
      label: Perrault syndrome
  genes:
  - preferred_term: HARS2
    term:
      id: hgnc:4817
      label: HARS2
  - preferred_term: HSD17B4
    term:
      id: hgnc:5213
      label: HSD17B4
  - preferred_term: CLPP
    term:
      id: hgnc:2084
      label: CLPP
  - preferred_term: TWNK
    term:
      id: hgnc:1160
      label: TWNK
  - preferred_term: LARS2
    term:
      id: hgnc:17095
      label: LARS2
  inheritance:
  - name: Autosomal recessive
    inheritance_term:
      preferred_term: Autosomal recessive inheritance
      term:
        id: HP:0000007
        label: Autosomal recessive inheritance
  evidence:
  - reference: PMID:32423379
    reference_title: "LARS2-Perrault syndrome: a new case report and literature review."
    supports: SUPPORT
    evidence_source: OTHER
    snippet: >-
      Perrault syndrome (MIM: 233400) is a rare recessive genetically
      heterogeneous disorder characterized by sensorineural hearing loss in males
      and females and ovarian dysfunction in females [1].
    explanation: >-
      Supports the syndromic 46,XX gonadal-dysgenesis branch with hearing
      impairment.
prevalence:
- population: Reported 46,XX gonadal dysgenesis cases
  prevalence_class: RARE
  percentage: Rare
  evidence:
  - reference: PMID:23087880
    reference_title: "A rare cause for primary amenorrhea: Sporadic perrault syndrome."
    supports: SUPPORT
    evidence_source: HUMAN_CLINICAL
    snippet: >-
      Gonadal (ovarian) dysgenesis with normal chromosomes (46, XX), XX female
      gonadal dysgenesis (XX-GD) is a rare genetically heterogeneous disorder.
    explanation: >-
      This report explicitly describes 46,XX gonadal dysgenesis as a rare
      genetically heterogeneous disorder.
inheritance:
- name: Autosomal recessive
  inheritance_term:
    preferred_term: Autosomal recessive inheritance
    term:
      id: HP:0000007
      label: Autosomal recessive inheritance
  description: >-
    Isolated FSHR-, NUP107-, and PSMC3IP-related forms are recessive, and
    Perrault-spectrum 46,XX ovarian dysfunction with hearing impairment is also
    recessive.
  evidence:
  - reference: PMID:26485283
    reference_title: A mutation in the nucleoporin-107 gene causes XX gonadal dysgenesis.
    supports: SUPPORT
    evidence_source: HUMAN_CLINICAL
    snippet: >-
      Using homozygosity mapping and whole-exome sequencing, we identified a
      recessive missense mutation in nucleoporin-107 (NUP107, c.1339G>A,
      p.D447N).
    explanation: >-
      Establishes a recessive isolated subtype.
  - reference: PMID:32423379
    reference_title: "LARS2-Perrault syndrome: a new case report and literature review."
    supports: SUPPORT
    evidence_source: OTHER
    snippet: >-
      Perrault syndrome (MIM: 233400) is a rare recessive genetically
      heterogeneous disorder characterized by sensorineural hearing loss in males
      and females and ovarian dysfunction in females [1].
    explanation: >-
      Establishes recessive inheritance for the Perrault-spectrum branch.
- name: Autosomal dominant with variable penetrance
  inheritance_term:
    preferred_term: Autosomal dominant inheritance
    term:
      id: HP:0000006
      label: Autosomal dominant inheritance
  description: >-
    NR5A1-related ovarian developmental failure can segregate dominantly with
    incomplete penetrance and variable expressivity, while rare recessive NR5A1
    families have also been described.
  evidence:
  - reference: PMID:19246354
    reference_title: Mutations in NR5A1 associated with ovarian insufficiency.
    supports: SUPPORT
    evidence_source: HUMAN_CLINICAL
    snippet: >-
      Families 1, 3, and 4 show a dominant mode of inheritance, whereas Family 2
      shows a recessive mode.
    explanation: >-
      Supports autosomal dominant inheritance for most NR5A1 families in this
      series and flags the documented recessive exception.
progression:
- phase: Fetal ovarian developmental phase
  age_range: fetal development
  notes: >-
    Causal lesions impair female gonad development, follicle-pool
    establishment, or early oogenesis before the disorder is clinically
    recognized.
  evidence:
  - reference: PMID:21963259
    reference_title: >-
      XX ovarian dysgenesis is caused by a PSMC3IP/HOP2 mutation that
      abolishes coactivation of estrogen-driven transcription.
    supports: SUPPORT
    evidence_source: HUMAN_CLINICAL
    snippet: >-
      Impaired estrogenic signaling can lead to ovarian dysgenesis both by
      affecting the size of the follicular pool created during fetal
      development and by failing to counteract follicular atresia during
      puberty.
    explanation: >-
      This supports an early developmental phase in which abnormal ovarian
      signaling reduces the follicular pool before puberty.
- phase: Pubertal failure recognition phase
  age_range: adolescence
  notes: >-
    The disorder commonly becomes clinically apparent when spontaneous puberty
    fails and primary amenorrhea with hypergonadotropic ovarian failure is
    recognized.
  evidence:
  - reference: PMID:26485283
    reference_title: A mutation in the nucleoporin-107 gene causes XX gonadal dysgenesis.
    supports: SUPPORT
    evidence_source: HUMAN_CLINICAL
    snippet: >-
      XX female gonadal dysgenesis (XX-GD) is a rare, genetically heterogeneous
      disorder that is characterized by underdeveloped, dysfunctional ovaries,
      with subsequent lack of spontaneous pubertal development, primary
      amenorrhea, uterine hypoplasia, and hypergonadotropic hypogonadism.
    explanation: >-
      This abstract ties the clinical recognition phase to absent puberty and
      primary amenorrhea in adolescence.
pathophysiology:
- name: Genetic disruption of female gonad development
  description: >-
    46,XX gonadal dysgenesis is genetically heterogeneous, but the shared
    proximal lesion is failure of gene programs required for ovarian
    development and maintenance.
  biological_processes:
  - preferred_term: female gonad development
    term:
      id: GO:0008585
      label: female gonad development
    modifier: DECREASED
  - preferred_term: gonad development
    term:
      id: GO:0008406
      label: gonad development
    modifier: DECREASED
  evidence:
  - reference: PMID:26485283
    reference_title: A mutation in the nucleoporin-107 gene causes XX gonadal dysgenesis.
    supports: SUPPORT
    evidence_source: HUMAN_CLINICAL
    snippet: >-
      These results indicate a pivotal role for NUP107 in ovarian development
      and suggest that nucleoporin defects may play a role in milder and more
      common conditions such as premature ovarian failure.
    explanation: >-
      This directly supports ovarian developmental failure as a proximal
      mechanism in 46,XX gonadal dysgenesis.
  - reference: PMID:19246354
    reference_title: Mutations in NR5A1 associated with ovarian insufficiency.
    supports: SUPPORT
    evidence_source: HUMAN_CLINICAL
    snippet: >-
      Mutations were associated with a range of ovarian anomalies, including
      46,XX gonadal dysgenesis and 46,XX primary ovarian insufficiency.
    explanation: >-
      This shows that multiple ovarian-development genes can anchor the same
      disease entity and its close overlap with ovarian insufficiency.
  downstream:
  - target: Impaired hormonal signaling and folliculogenesis
    description: >-
      Diverse causal lesions converge on disrupted ovarian signaling and
      follicle maturation.
    causal_link_type: INDIRECT_KNOWN_INTERMEDIATES
    intermediate_mechanisms:
    - defective ovarian transcriptional regulation
    - impaired gonadotropin responsiveness
    evidence:
    - reference: PMID:21963259
      reference_title: >-
        XX ovarian dysgenesis is caused by a PSMC3IP/HOP2 mutation that
        abolishes coactivation of estrogen-driven transcription.
      supports: SUPPORT
      evidence_source: HUMAN_CLINICAL
      snippet: >-
        PSMC3IP joins previous genes known to be mutated in XX-GD, the FSH
        receptor, and BMP15, highlighting the importance of hormonal signaling
        in ovarian development and maintenance and suggesting a common pathway
        perturbed in isolated XX-GD.
      explanation: >-
        This directly supports convergence on shared ovarian hormonal-signaling
        mechanisms across multiple XX-GD genes.
- name: NUP107 nuclear-pore oogenesis defect
  description: >-
    NUP107-related ovarian dysgenesis links a nuclear pore component to
    sex-specific defective oogenesis and ovarian development in 46,XX
    individuals.
  genes:
  - preferred_term: NUP107
    term:
      id: hgnc:29914
      label: NUP107
  cell_types:
  - preferred_term: oocyte
    term:
      id: CL:0000023
      label: oocyte
  cellular_components:
  - preferred_term: nuclear pore
    term:
      id: GO:0005643
      label: nuclear pore
  evidence:
  - reference: PMID:26485283
    reference_title: A mutation in the nucleoporin-107 gene causes XX gonadal dysgenesis.
    supports: SUPPORT
    evidence_source: MODEL_ORGANISM
    snippet: >-
      NUP107 is a component of the nuclear pore complex, and the
      NUP107-associated protein SEH1 is required for oogenesis in Drosophila.
    explanation: >-
      Supports the nuclear-pore and oogenesis mechanism for NUP107-related
      disease.
  - reference: PMID:26485283
    reference_title: A mutation in the nucleoporin-107 gene causes XX gonadal dysgenesis.
    supports: SUPPORT
    evidence_source: MODEL_ORGANISM
    snippet: >-
      In Drosophila, Nup107 knockdown in somatic gonadal cells resulted in female
      sterility, whereas males were fully fertile.
    explanation: >-
      Supports a sex-specific ovarian requirement for NUP107 activity.
  downstream:
  - target: Streak gonads and ovarian failure
- name: PSMC3IP estrogen-receptor coactivation failure
  description: >-
    PSMC3IP/HOP2-related disease disrupts estrogen-driven nuclear-receptor
    coactivation, reducing fetal follicular-pool establishment and increasing
    vulnerability to follicular atresia during puberty.
  genes:
  - preferred_term: PSMC3IP
    term:
      id: hgnc:17928
      label: PSMC3IP
  cell_types:
  - preferred_term: oocyte
    term:
      id: CL:0000023
      label: oocyte
  biological_processes:
  - preferred_term: ovarian follicle development
    term:
      id: GO:0001541
      label: ovarian follicle development
    modifier: DECREASED
  evidence:
  - reference: PMID:21963259
    reference_title: >-
      XX ovarian dysgenesis is caused by a PSMC3IP/HOP2 mutation that abolishes
      coactivation of estrogen-driven transcription.
    supports: SUPPORT
    evidence_source: IN_VITRO
    snippet: >-
      In cell lines, the p.Glu201del mutation abolished PSMC3IP activation of
      estrogen-driven transcription.
    explanation: >-
      Directly supports loss of estrogen-driven transcriptional coactivation.
  - reference: PMID:21963259
    reference_title: >-
      XX ovarian dysgenesis is caused by a PSMC3IP/HOP2 mutation that abolishes
      coactivation of estrogen-driven transcription.
    supports: SUPPORT
    evidence_source: HUMAN_CLINICAL
    snippet: >-
      Impaired estrogenic signaling can lead to ovarian dysgenesis both by
      affecting the size of the follicular pool created during fetal development
      and by failing to counteract follicular atresia during puberty.
    explanation: >-
      Links PSMC3IP-driven estrogenic-signaling failure to the developmental and
      pubertal ovarian phenotype.
  downstream:
  - target: Impaired hormonal signaling and folliculogenesis
- name: FSHR receptor signaling resistance
  description: >-
    FSHR-related ovarian dysgenesis impairs follicle-stimulating hormone receptor
    signaling, producing follicular arrest with hypergonadotropic ovarian failure.
  genes:
  - preferred_term: FSHR
    term:
      id: hgnc:3969
      label: FSHR
  cell_types:
  - preferred_term: granulosa cell
    term:
      id: CL:0000501
      label: granulosa cell
  biological_processes:
  - preferred_term: response to follicle-stimulating hormone
    term:
      id: GO:0032354
      label: response to follicle-stimulating hormone
    modifier: DECREASED
  evidence:
  - reference: PMID:7553856
    reference_title: >-
      Mutation in the follicle-stimulating hormone receptor gene causes
      hereditary hypergonadotropic ovarian failure.
    supports: SUPPORT
    evidence_source: IN_VITRO
    snippet: >-
      Expression of the gene in transfected cells demonstrated a dramatic
      reduction of binding capacity and signal transduction, but apparently
      normal ligand-binding affinity of the mutated receptor.
    explanation: >-
      Directly supports receptor signaling resistance as the FSHR mechanism.
  downstream:
  - target: Impaired hormonal signaling and folliculogenesis
- name: NR5A1 steroidogenic transcription dosage defect
  description: >-
    NR5A1-related ovarian insufficiency reflects impaired transcriptional
    activation of steroidogenic and follicle-growth genes in ovarian cells, with
    variable penetrance and expressivity across families.
  genes:
  - preferred_term: NR5A1
    term:
      id: hgnc:7983
      label: NR5A1
  cell_types:
  - preferred_term: granulosa cell
    term:
      id: CL:0000501
      label: granulosa cell
  biological_processes:
  - preferred_term: estrogen biosynthetic process
    term:
      id: GO:0006703
      label: estrogen biosynthetic process
    modifier: DECREASED
  evidence:
  - reference: PMID:19246354
    reference_title: Mutations in NR5A1 associated with ovarian insufficiency.
    supports: SUPPORT
    evidence_source: IN_VITRO
    snippet: >-
      Our data show that mutated forms of NR5A1, detected in subjects with
      anomalies of ovarian development and function, show quantitative
      impairment in the transactivation of two of these factors (CYP11A1 and
      CYP19A1).
    explanation: >-
      Directly supports impaired NR5A1 transcriptional output as the molecular
      mechanism.
  downstream:
  - target: Streak gonads and ovarian failure
- name: Impaired hormonal signaling and folliculogenesis
  description: >-
    A major shared mechanistic branch is reduced ovarian hormone-response and
    follicular maintenance, including impaired FSH signaling and defective
    estrogen-responsive transcription.
  cell_types:
  - preferred_term: granulosa cell
    term:
      id: CL:0000501
      label: granulosa cell
  - preferred_term: oocyte
    term:
      id: CL:0000023
      label: oocyte
  biological_processes:
  - preferred_term: response to follicle-stimulating hormone
    term:
      id: GO:0032354
      label: response to follicle-stimulating hormone
    modifier: DECREASED
  - preferred_term: ovarian follicle development
    term:
      id: GO:0001541
      label: ovarian follicle development
    modifier: DECREASED
  evidence:
  - reference: PMID:7553856
    reference_title: >-
      Mutation in the follicle-stimulating hormone receptor gene causes
      hereditary hypergonadotropic ovarian failure.
    supports: SUPPORT
    evidence_source: IN_VITRO
    snippet: >-
      Expression of the gene in transfected cells demonstrated a dramatic
      reduction of binding capacity and signal transduction, but apparently
      normal ligand-binding affinity of the mutated receptor.
    explanation: >-
      This directly supports impaired FSH signaling as one disease-causing
      mechanistic branch in 46,XX gonadal dysgenesis.
  - reference: PMID:21963259
    reference_title: >-
      XX ovarian dysgenesis is caused by a PSMC3IP/HOP2 mutation that
      abolishes coactivation of estrogen-driven transcription.
    supports: SUPPORT
    evidence_source: HUMAN_CLINICAL
    snippet: >-
      Impaired estrogenic signaling can lead to ovarian dysgenesis both by
      affecting the size of the follicular pool created during fetal
      development and by failing to counteract follicular atresia during
      puberty.
    explanation: >-
      This supports defective estrogen-responsive transcription and accelerated
      follicular loss as another shared mechanistic branch.
  downstream:
  - target: Streak gonads and ovarian failure
    description: >-
      Chronic failure of follicle development and ovarian signaling produces
      streak or severely underdeveloped ovaries with loss of reproductive
      function.
    causal_link_type: DIRECT
    evidence:
    - reference: PMID:21963259
      reference_title: >-
        XX ovarian dysgenesis is caused by a PSMC3IP/HOP2 mutation that
        abolishes coactivation of estrogen-driven transcription.
      supports: SUPPORT
      evidence_source: HUMAN_CLINICAL
      snippet: >-
        XX female gonadal dysgenesis (XX-GD) is a rare, genetically
        heterogeneous disorder characterized by lack of spontaneous pubertal
        development, primary amenorrhea, uterine hypoplasia, and
        hypergonadotropic hypogonadism as a result of streak gonads.
      explanation: >-
        This directly links impaired ovarian signaling to streak gonads and
        ovarian failure.
- name: Streak gonads and ovarian failure
  description: >-
    The convergent anatomical outcome is a streak or severely underdeveloped
    ovary with little or no effective steroidogenic or follicular function.
  biological_processes:
  - preferred_term: estrogen biosynthetic process
    term:
      id: GO:0006703
      label: estrogen biosynthetic process
    modifier: DECREASED
  evidence:
  - reference: PMID:26485283
    reference_title: A mutation in the nucleoporin-107 gene causes XX gonadal dysgenesis.
    supports: SUPPORT
    evidence_source: HUMAN_CLINICAL
    snippet: >-
      XX female gonadal dysgenesis (XX-GD) is a rare, genetically heterogeneous
      disorder that is characterized by underdeveloped, dysfunctional ovaries,
      with subsequent lack of spontaneous pubertal development, primary
      amenorrhea, uterine hypoplasia, and hypergonadotropic hypogonadism.
    explanation: >-
      This supports underdeveloped dysfunctional ovaries as the shared anatomic
      lesion of the disease.
  - reference: PMID:21963259
    reference_title: >-
      XX ovarian dysgenesis is caused by a PSMC3IP/HOP2 mutation that
      abolishes coactivation of estrogen-driven transcription.
    supports: SUPPORT
    evidence_source: HUMAN_CLINICAL
    snippet: >-
      XX female gonadal dysgenesis (XX-GD) is a rare, genetically
      heterogeneous disorder characterized by lack of spontaneous pubertal
      development, primary amenorrhea, uterine hypoplasia, and
      hypergonadotropic hypogonadism as a result of streak gonads.
    explanation: >-
      This explicitly identifies streak gonads as the proximate cause of the
      endocrine and reproductive phenotype.
  downstream:
  - target: Gonadal Dysgenesis
    description: >-
      Streak or severely underdeveloped dysfunctional ovaries are the defining
      gonadal dysgenesis phenotype.
    causal_link_type: DIRECT
    evidence:
    - reference: PMID:26485283
      reference_title: A mutation in the nucleoporin-107 gene causes XX gonadal dysgenesis.
      supports: SUPPORT
      evidence_source: HUMAN_CLINICAL
      snippet: >-
        underdeveloped, dysfunctional ovaries
      explanation: >-
        The NUP107 family report identifies underdeveloped dysfunctional ovaries
        as the defining structural lesion of XX gonadal dysgenesis.
  - target: Female Infertility
    description: >-
      Streak gonads and ovarian failure prevent normal ovulation and
      reproductive capacity.
    causal_link_type: INDIRECT_KNOWN_INTERMEDIATES
    intermediate_mechanisms:
    - Loss of functional ovarian tissue prevents follicular maturation and ovulation.
    evidence:
    - reference: PMID:21963259
      reference_title: >-
        XX ovarian dysgenesis is caused by a PSMC3IP/HOP2 mutation that
        abolishes coactivation of estrogen-driven transcription.
      supports: PARTIAL
      evidence_source: HUMAN_CLINICAL
      snippet: >-
        hypergonadotropic hypogonadism as a result of streak gonads
      explanation: >-
        The PSMC3IP report identifies streak gonads as the cause of the
        endocrine reproductive failure; infertility follows from loss of
        functional ovarian tissue.
  - target: Hypoestrogenic hypergonadotropic state
    description: >-
      Ovarian failure lowers estrogen output and disinhibits pituitary
      gonadotropin secretion.
    causal_link_type: DIRECT
    evidence:
    - reference: PMID:8855829
      reference_title: >-
        Clinical features of primary ovarian failure caused by a point mutation
        in the follicle-stimulating hormone receptor gene.
      supports: SUPPORT
      evidence_source: HUMAN_CLINICAL
      snippet: >-
        Clinically, both groups of patients were characterized by primary or
        early secondary amenorrhea, variable development of secondary sex
        characteristics, and high serum levels of FSH and LH.
      explanation: >-
        This directly supports the endocrine consequence of ovarian failure as
        amenorrhea with elevated gonadotropins.
- name: Hypoestrogenic hypergonadotropic state
  description: >-
    Loss of ovarian steroidogenic function results in estrogen deficiency and
    compensatory elevation of pituitary gonadotropins, driving pubertal failure
    and amenorrhea.
  biological_processes:
  - preferred_term: gonadotropin secretion
    term:
      id: GO:0032274
      label: gonadotropin secretion
    modifier: INCREASED
  evidence:
  - reference: PMID:26485283
    reference_title: A mutation in the nucleoporin-107 gene causes XX gonadal dysgenesis.
    supports: SUPPORT
    evidence_source: HUMAN_CLINICAL
    snippet: >-
      XX female gonadal dysgenesis (XX-GD) is a rare, genetically heterogeneous
      disorder that is characterized by underdeveloped, dysfunctional ovaries,
      with subsequent lack of spontaneous pubertal development, primary
      amenorrhea, uterine hypoplasia, and hypergonadotropic hypogonadism.
    explanation: >-
      This supports the downstream hypoestrogenic hypergonadotropic endocrine
      state as a core mechanistic consequence.
  - reference: PMID:8855829
    reference_title: >-
      Clinical features of primary ovarian failure caused by a point mutation
      in the follicle-stimulating hormone receptor gene.
    supports: SUPPORT
    evidence_source: HUMAN_CLINICAL
    snippet: >-
      Clinically, both groups of patients were characterized by primary or
      early secondary amenorrhea, variable development of secondary sex
      characteristics, and high serum levels of FSH and LH.
    explanation: >-
      This links the endocrine state to amenorrhea and impaired pubertal
      development in a mechanistically defined XX-GD subset.
  downstream:
  - target: Hypergonadotropic Hypogonadism
    description: >-
      Ovarian steroidogenic failure drives compensatory pituitary gonadotropin
      elevation.
    causal_link_type: DIRECT
    evidence:
    - reference: PMID:26485283
      reference_title: A mutation in the nucleoporin-107 gene causes XX gonadal dysgenesis.
      supports: SUPPORT
      evidence_source: HUMAN_CLINICAL
      snippet: >-
        uterine hypoplasia, and hypergonadotropic hypogonadism
      explanation: >-
        The NUP107 family report includes hypergonadotropic hypogonadism as a
        core consequence of underdeveloped dysfunctional ovaries.
  - target: Delayed Puberty
    description: >-
      Estrogen deficiency from ovarian failure prevents spontaneous pubertal
      development.
    causal_link_type: DIRECT
    evidence:
    - reference: PMID:26485283
      reference_title: A mutation in the nucleoporin-107 gene causes XX gonadal dysgenesis.
      supports: SUPPORT
      evidence_source: HUMAN_CLINICAL
      snippet: >-
        lack of spontaneous pubertal development
      explanation: >-
        The NUP107 family report directly states lack of spontaneous pubertal
        development in XX gonadal dysgenesis.
  - target: Primary Amenorrhea
    description: >-
      Pubertal ovarian failure prevents menarche, producing primary amenorrhea.
    causal_link_type: DIRECT
    evidence:
    - reference: PMID:21963259
      reference_title: >-
        XX ovarian dysgenesis is caused by a PSMC3IP/HOP2 mutation that
        abolishes coactivation of estrogen-driven transcription.
      supports: SUPPORT
      evidence_source: HUMAN_CLINICAL
      snippet: >-
        spontaneous pubertal development, primary amenorrhea, uterine hypoplasia
      explanation: >-
        The PSMC3IP family report directly lists primary amenorrhea in the
        reproductive phenotype resulting from streak gonads.
  - target: Uterine Hypoplasia
    description: >-
      Sustained hypoestrogenism limits uterine growth, producing uterine
      hypoplasia.
    causal_link_type: DIRECT
    evidence:
    - reference: PMID:26485283
      reference_title: A mutation in the nucleoporin-107 gene causes XX gonadal dysgenesis.
      supports: SUPPORT
      evidence_source: HUMAN_CLINICAL
      snippet: >-
        primary amenorrhea, uterine hypoplasia, and hypergonadotropic hypogonadism
      explanation: >-
        The NUP107 family report includes uterine hypoplasia in the downstream
        phenotype of underdeveloped dysfunctional ovaries.
genetic:
- name: NUP107
  gene_term:
    preferred_term: NUP107
    term:
      id: hgnc:29914
      label: NUP107
  association: CAUSATIVE
  inheritance:
  - name: Autosomal recessive
    inheritance_term:
      preferred_term: Autosomal recessive inheritance
      term:
        id: HP:0000007
        label: Autosomal recessive inheritance
    evidence:
    - reference: PMID:26485283
      reference_title: A mutation in the nucleoporin-107 gene causes XX gonadal dysgenesis.
      supports: SUPPORT
      evidence_source: HUMAN_CLINICAL
      snippet: >-
        Using homozygosity mapping and whole-exome sequencing, we identified a
        recessive missense mutation in nucleoporin-107 (NUP107, c.1339G>A,
        p.D447N).
      explanation: >-
        NUP107-related 46,XX gonadal dysgenesis segregates recessively in the
        reported family.
  features: >-
    Recessive NUP107 missense variants cause isolated 46,XX gonadal
    dysgenesis with defective oogenesis and ovarian developmental failure.
  evidence:
  - reference: PMID:26485283
    reference_title: A mutation in the nucleoporin-107 gene causes XX gonadal dysgenesis.
    supports: SUPPORT
    evidence_source: HUMAN_CLINICAL
    snippet: >-
      Using homozygosity mapping and whole-exome sequencing, we identified a
      recessive missense mutation in nucleoporin-107 (NUP107, c.1339G>A,
      p.D447N).
    explanation: >-
      This identifies NUP107 as a causal recessive gene for familial 46,XX
      gonadal dysgenesis.
- name: PSMC3IP
  gene_term:
    preferred_term: PSMC3IP
    term:
      id: hgnc:17928
      label: PSMC3IP
  association: CAUSATIVE
  inheritance:
  - name: Autosomal recessive
    inheritance_term:
      preferred_term: Autosomal recessive inheritance
      term:
        id: HP:0000007
        label: Autosomal recessive inheritance
    evidence:
    - reference: PMID:21963259
      reference_title: >-
        XX ovarian dysgenesis is caused by a PSMC3IP/HOP2 mutation that
        abolishes coactivation of estrogen-driven transcription.
      supports: SUPPORT
      evidence_source: HUMAN_CLINICAL
      snippet: >-
        Most cases are unexplained but thought to be autosomal recessive.
      explanation: >-
        The PSMC3IP family is part of the recessive isolated XX-GD pattern and
        had homozygous affected females.
  features: >-
    Homozygous PSMC3IP/HOP2 variants abolish coactivation of
    estrogen-driven transcription and cause isolated XX gonadal dysgenesis.
  evidence:
  - reference: PMID:21963259
    reference_title: >-
      XX ovarian dysgenesis is caused by a PSMC3IP/HOP2 mutation that
      abolishes coactivation of estrogen-driven transcription.
    supports: SUPPORT
    evidence_source: HUMAN_CLINICAL
    snippet: >-
      Affected females were homozygous for a 3 bp deletion (NM_016556.2,
      c.600_602del) in the PSMC3IP gene, leading to deletion of a glutamic acid
      residue (p.Glu201del) in the highly conserved C-terminal acidic domain.
    explanation: >-
      This establishes PSMC3IP as a causal gene in a familial 46,XX gonadal
      dysgenesis pedigree.
- name: FSHR
  gene_term:
    preferred_term: FSHR
    term:
      id: hgnc:3969
      label: FSHR
  association: CAUSATIVE
  inheritance:
  - name: Autosomal recessive
    inheritance_term:
      preferred_term: Autosomal recessive inheritance
      term:
        id: HP:0000007
        label: Autosomal recessive inheritance
    evidence:
    - reference: PMID:7553856
      reference_title: >-
        Mutation in the follicle-stimulating hormone receptor gene causes
        hereditary hypergonadotropic ovarian failure.
      supports: SUPPORT
      evidence_source: HUMAN_CLINICAL
      snippet: >-
        Hypergonadotropic ovarian dysgenesis (ODG) with normal karyotype is a
        heterogeneous condition that in some cases displays Mendelian recessive
        inheritance.
      explanation: >-
        Supports recessive inheritance for FSHR-related ovarian dysgenesis.
  features: >-
    Recessive FSHR variants define an FSH-resistant ovarian dysgenesis subset
    with impaired receptor signaling and elevated gonadotropins.
  evidence:
  - reference: PMID:7553856
    reference_title: >-
      Mutation in the follicle-stimulating hormone receptor gene causes
      hereditary hypergonadotropic ovarian failure.
    supports: SUPPORT
    evidence_source: HUMAN_CLINICAL
    snippet: >-
      We conclude that the mutation causes ODG in these families.
    explanation: >-
      This provides direct causal evidence for FSHR-mediated ovarian
      dysgenesis.
- name: NR5A1
  gene_term:
    preferred_term: NR5A1
    term:
      id: hgnc:7983
      label: NR5A1
  association: CAUSATIVE
  inheritance:
  - name: Autosomal dominant with variable penetrance
    inheritance_term:
      preferred_term: Autosomal dominant inheritance
      term:
        id: HP:0000006
        label: Autosomal dominant inheritance
    evidence:
    - reference: PMID:19246354
      reference_title: Mutations in NR5A1 associated with ovarian insufficiency.
      supports: SUPPORT
      evidence_source: HUMAN_CLINICAL
      snippet: >-
        Families 1, 3, and 4 show a dominant mode of inheritance, whereas Family
        2 shows a recessive mode.
      explanation: >-
        Supports dominant NR5A1 inheritance with documented variability.
  features: >-
    NR5A1 variants span 46,XX gonadal dysgenesis to primary ovarian
    insufficiency, illustrating disease overlap within ovarian developmental
    failure.
  evidence:
  - reference: PMID:19246354
    reference_title: Mutations in NR5A1 associated with ovarian insufficiency.
    supports: SUPPORT
    evidence_source: HUMAN_CLINICAL
    snippet: >-
      Mutations were associated with a range of ovarian anomalies, including
      46,XX gonadal dysgenesis and 46,XX primary ovarian insufficiency.
    explanation: >-
      This shows that NR5A1 can anchor both 46,XX gonadal dysgenesis and the
      adjacent ovarian-insufficiency phenotype space.
phenotypes:
- category: Reproductive
  name: Gonadal Dysgenesis
  description: >-
    Streak or severely underdeveloped ovaries are the defining structural
    lesion of the disease.
  diagnostic: true
  phenotype_term:
    preferred_term: gonadal dysgenesis
    term:
      id: HP:0000133
      label: Gonadal dysgenesis
  evidence:
  - reference: PMID:26485283
    reference_title: A mutation in the nucleoporin-107 gene causes XX gonadal dysgenesis.
    supports: SUPPORT
    evidence_source: HUMAN_CLINICAL
    snippet: >-
      XX female gonadal dysgenesis (XX-GD) is a rare, genetically heterogeneous
      disorder that is characterized by underdeveloped, dysfunctional ovaries,
      with subsequent lack of spontaneous pubertal development, primary
      amenorrhea, uterine hypoplasia, and hypergonadotropic hypogonadism.
    explanation: >-
      This directly supports gonadal dysgenesis as the structural hallmark
      phenotype.
- category: Reproductive
  name: Delayed Puberty
  description: >-
    Spontaneous pubertal development fails because ovarian estrogen production
    is inadequate.
  diagnostic: true
  phenotype_term:
    preferred_term: delayed puberty
    term:
      id: HP:0000823
      label: Delayed puberty
  evidence:
  - reference: PMID:26485283
    reference_title: A mutation in the nucleoporin-107 gene causes XX gonadal dysgenesis.
    supports: SUPPORT
    evidence_source: HUMAN_CLINICAL
    snippet: >-
      XX female gonadal dysgenesis (XX-GD) is a rare, genetically heterogeneous
      disorder that is characterized by underdeveloped, dysfunctional ovaries,
      with subsequent lack of spontaneous pubertal development, primary
      amenorrhea, uterine hypoplasia, and hypergonadotropic hypogonadism.
    explanation: >-
      The abstract explicitly supports absent spontaneous pubertal development,
      which maps to delayed puberty at the phenotype level.
- category: Reproductive
  name: Primary Amenorrhea
  description: >-
    Menarche does not occur because ovarian failure prevents normal pubertal
    maturation.
  diagnostic: true
  phenotype_term:
    preferred_term: primary amenorrhea
    term:
      id: HP:0000786
      label: Primary amenorrhea
  evidence:
  - reference: PMID:21963259
    reference_title: >-
      XX ovarian dysgenesis is caused by a PSMC3IP/HOP2 mutation that
      abolishes coactivation of estrogen-driven transcription.
    supports: SUPPORT
    evidence_source: HUMAN_CLINICAL
    snippet: >-
      XX female gonadal dysgenesis (XX-GD) is a rare, genetically
      heterogeneous disorder characterized by lack of spontaneous pubertal
      development, primary amenorrhea, uterine hypoplasia, and
      hypergonadotropic hypogonadism as a result of streak gonads.
    explanation: >-
      This directly supports primary amenorrhea as a core diagnostic phenotype.
- category: Endocrine
  name: Hypergonadotropic Hypogonadism
  description: >-
    Ovarian failure lowers sex-steroid output and drives compensatory
    gonadotropin elevation.
  diagnostic: true
  phenotype_term:
    preferred_term: hypergonadotropic hypogonadism
    term:
      id: HP:0000815
      label: Hypergonadotropic hypogonadism
  evidence:
  - reference: PMID:26485283
    reference_title: A mutation in the nucleoporin-107 gene causes XX gonadal dysgenesis.
    supports: SUPPORT
    evidence_source: HUMAN_CLINICAL
    snippet: >-
      XX female gonadal dysgenesis (XX-GD) is a rare, genetically heterogeneous
      disorder that is characterized by underdeveloped, dysfunctional ovaries,
      with subsequent lack of spontaneous pubertal development, primary
      amenorrhea, uterine hypoplasia, and hypergonadotropic hypogonadism.
    explanation: >-
      This explicitly identifies hypergonadotropic hypogonadism as part of the
      core XX-GD phenotype.
  - reference: PMID:8855829
    reference_title: >-
      Clinical features of primary ovarian failure caused by a point mutation
      in the follicle-stimulating hormone receptor gene.
    supports: SUPPORT
    evidence_source: HUMAN_CLINICAL
    snippet: >-
      Clinically, both groups of patients were characterized by primary or
      early secondary amenorrhea, variable development of secondary sex
      characteristics, and high serum levels of FSH and LH.
    explanation: >-
      This supports elevated gonadotropins as the endocrine signature of a
      mechanistically defined XX-GD subset.
- category: Reproductive
  name: Uterine Hypoplasia
  description: >-
    Uterine growth remains poor when ovarian estrogen production is absent or
    severely reduced.
  diagnostic: true
  phenotype_term:
    preferred_term: uterine hypoplasia
    term:
      id: HP:0008684
      label: Aplasia/hypoplasia of the uterus
  evidence:
  - reference: PMID:26485283
    reference_title: A mutation in the nucleoporin-107 gene causes XX gonadal dysgenesis.
    supports: SUPPORT
    evidence_source: HUMAN_CLINICAL
    snippet: >-
      XX female gonadal dysgenesis (XX-GD) is a rare, genetically heterogeneous
      disorder that is characterized by underdeveloped, dysfunctional ovaries,
      with subsequent lack of spontaneous pubertal development, primary
      amenorrhea, uterine hypoplasia, and hypergonadotropic hypogonadism.
    explanation: >-
      This directly supports uterine hypoplasia as part of the core disease
      phenotype.
- category: Reproductive
  name: Female Infertility
  description: >-
    Streak gonads and ovarian failure prevent normal ovulation and reproductive
    capacity.
  phenotype_term:
    preferred_term: female infertility
    term:
      id: HP:0008222
      label: Female infertility
  evidence:
  - reference: PMID:21963259
    reference_title: >-
      XX ovarian dysgenesis is caused by a PSMC3IP/HOP2 mutation that
      abolishes coactivation of estrogen-driven transcription.
    supports: SUPPORT
    evidence_source: HUMAN_CLINICAL
    snippet: >-
      XX female gonadal dysgenesis (XX-GD) is a rare, genetically
      heterogeneous disorder characterized by lack of spontaneous pubertal
      development, primary amenorrhea, uterine hypoplasia, and
      hypergonadotropic hypogonadism as a result of streak gonads.
    explanation: >-
      Streak gonads imply loss of functional ovarian tissue and support female
      infertility as a downstream reproductive consequence.
- category: Hearing
  name: Sensorineural hearing impairment
  subtype: Perrault-spectrum
  description: >-
    Sensorineural hearing impairment distinguishes Perrault-spectrum disease from
    isolated 46,XX gonadal dysgenesis and should prompt audiology and syndromic
    genetic evaluation.
  phenotype_term:
    preferred_term: Sensorineural hearing impairment
    term:
      id: HP:0000407
      label: Sensorineural hearing impairment
  evidence:
  - reference: PMID:32423379
    reference_title: "LARS2-Perrault syndrome: a new case report and literature review."
    supports: SUPPORT
    evidence_source: HUMAN_CLINICAL
    snippet: >-
      Perrault syndrome (MIM: 233400) is a rare recessive genetically
      heterogeneous disorder characterized by sensorineural hearing loss in males
      and females and ovarian dysfunction in females [1].
    explanation: >-
      Supports hearing impairment as the key syndromic feature of the
      Perrault-spectrum subtype.
diagnosis:
- name: 46,XX karyotype confirmation
  presence: Normal 46,XX complement without Turner mosaicism or Y-chromosome material.
  description: >-
    Karyotyping confirms the 46,XX disease boundary, excludes Turner-spectrum
    causes of gonadal dysgenesis, and helps prevent applying 46,XY tumor-risk
    assumptions to isolated 46,XX disease.
  diagnosis_term:
    preferred_term: karyotyping
    term:
      id: MAXO:0001611
      label: karyotyping
  evidence:
  - reference: PMID:31809259
    reference_title: >-
      Misdiagnosis of Mullerian agenesis in a patient with 46, XX gonadal
      dysgenesis: a missed opportunity for prevention of osteoporosis.
    supports: SUPPORT
    evidence_source: HUMAN_CLINICAL
    snippet: The chromosome study confirmed normal 46, XX karyotype.
    explanation: >-
      Supports early DSD diagnostic workup, including karyotype confirmation.
  - reference: PMID:28216916
    reference_title: "A rare case of 46,XX gonadal dysgenesis and Mayer-Rokitansky-Kuster-Hauser syndrome."
    supports: SUPPORT
    evidence_source: HUMAN_CLINICAL
    snippet: 46,XX karyotype complement
    explanation: >-
      Confirms that the case definition relies on a 46,XX karyotype.
- name: Gonadotropin and ovarian hormone profile
  presence: Elevated FSH/LH with low estradiol and low ovarian reserve markers where measured.
  description: >-
    Hormone evaluation distinguishes hypoestrogenic hypergonadotropic gonadal
    dysgenesis from MRKH and other causes of primary amenorrhea with normal
    ovarian function.
  diagnosis_term:
    preferred_term: circulating hormone measurement
    term:
      id: MAXO:0035005
      label: circulating hormone measurement
  evidence:
  - reference: PMID:31809259
    reference_title: >-
      Misdiagnosis of Mullerian agenesis in a patient with 46, XX gonadal
      dysgenesis: a missed opportunity for prevention of osteoporosis.
    supports: SUPPORT
    evidence_source: HUMAN_CLINICAL
    snippet: >-
      Hormone profiles and karyotype should be investigated in all cases of the
      presumptive diagnosis of Mayer-Rokitansky-Kuster-Hauser (MRKH) syndrome or
      Mullerian agenesis.
    explanation: >-
      Directly supports hormone-profile testing in the primary-amenorrhea
      differential.
  - reference: PMID:31809259
    reference_title: >-
      Misdiagnosis of Mullerian agenesis in a patient with 46, XX gonadal
      dysgenesis: a missed opportunity for prevention of osteoporosis.
    supports: SUPPORT
    evidence_source: HUMAN_CLINICAL
    snippet: >-
      The initial laboratory investigation in our hospital revealed
      hypergonadotrophic hypogonadism (FSH 130 IU/L, LH 2 IU/L, serum estradiol
      <5 pg/mL) with confirmed 46, XX karyotype.
    explanation: >-
      Provides the expected endocrine pattern in a 46,XX gonadal dysgenesis
      diagnostic workup.
- name: Pubertal staging and estrogenization assessment
  presence: Absent or incomplete breast development and other delayed secondary sex characteristics.
  description: >-
    Tanner staging and focused physical examination document pubertal failure
    and provide a quick clinical clue to severe estrogen deficiency.
  diagnosis_term:
    preferred_term: physical examination
    term:
      id: MAXO:0000527
      label: physical examination
  evidence:
  - reference: PMID:31809259
    reference_title: >-
      Misdiagnosis of Mullerian agenesis in a patient with 46, XX gonadal
      dysgenesis: a missed opportunity for prevention of osteoporosis.
    supports: SUPPORT
    evidence_source: HUMAN_CLINICAL
    snippet: >-
      Determining the presence or absence of secondary sexual characteristics
      especially breast development is a simple first step to ensure the presence
      of circulating estrogen level (3).
    explanation: >-
      Supports pubertal and secondary-sex-characteristic assessment as part of
      diagnosis.
- name: Pelvic ultrasound and MRI
  presence: Streak or nonvisualized ovaries, uterine hypoplasia, or apparent uterine nonvisualization under estrogen deficiency.
  description: >-
    Pelvic imaging evaluates uterus, ovaries, streak gonads, and possible
    Mullerian-anomaly overlap. MRI can clarify ultrasound findings, and repeat
    imaging after estrogen replacement may prevent misclassification as MRKH.
  diagnosis_term:
    preferred_term: pelvis MRI
    term:
      id: MAXO:0035034
      label: pelvis MRI
  evidence:
  - reference: PMID:31809259
    reference_title: >-
      Misdiagnosis of Mullerian agenesis in a patient with 46, XX gonadal
      dysgenesis: a missed opportunity for prevention of osteoporosis.
    supports: SUPPORT
    evidence_source: HUMAN_CLINICAL
    snippet: >-
      Internal genitalia (ovaries, uterus, and upper two third of vagina) and
      streak gonad could not be identified on the pelvic magnetic resonance
      imaging (MRI).
    explanation: >-
      Supports pelvic MRI for internal reproductive-structure evaluation.
  - reference: PMID:31809259
    reference_title: >-
      Misdiagnosis of Mullerian agenesis in a patient with 46, XX gonadal
      dysgenesis: a missed opportunity for prevention of osteoporosis.
    supports: SUPPORT
    evidence_source: HUMAN_CLINICAL
    snippet: >-
      Subsequent identification of the uterus needs to be re-evaluated after at
      least 6–12 months of estrogen replacement.
    explanation: >-
      Supports repeat imaging after estrogen replacement when severe
      hypoestrogenism obscures uterine structures.
- name: Baseline bone-density assessment
  presence: Osteopenia, osteoporosis, or prolonged untreated estrogen deficiency.
  description: >-
    Baseline and follow-up DXA are relevant because delayed diagnosis and
    untreated hypoestrogenism can cause early bone loss.
  diagnosis_term:
    preferred_term: Dual-energy X-ray absorptiometry procedure
    term:
      id: MAXO:0020004
      label: Dual-energy X-ray absorptiometry procedure
  evidence:
  - reference: PMID:31809259
    reference_title: >-
      Misdiagnosis of Mullerian agenesis in a patient with 46, XX gonadal
      dysgenesis: a missed opportunity for prevention of osteoporosis.
    supports: SUPPORT
    evidence_source: HUMAN_CLINICAL
    snippet: >-
      Bone density scan (DEXA scan) revealed osteoporosis at the lumbar spine (T
      score −2.7) and osteopenia at the hip (T score −1.5).
    explanation: >-
      Documents clinically relevant bone-density loss after delayed diagnosis.
- name: Molecular testing for hereditary forms
  presence: Pathogenic variants in FSHR, NUP107, PSMC3IP, NR5A1, or Perrault-spectrum genes.
  description: >-
    Gene panel or exome testing should cover isolated 46,XX ovarian dysgenesis
    genes and syndromic Perrault genes when hearing loss or family history
    suggests that branch.
  diagnosis_term:
    preferred_term: gene panel testing
    term:
      id: MAXO:0001615
      label: gene panel testing
  evidence:
  - reference: PMID:26485283
    reference_title: A mutation in the nucleoporin-107 gene causes XX gonadal dysgenesis.
    supports: SUPPORT
    evidence_source: HUMAN_CLINICAL
    snippet: >-
      Using homozygosity mapping and whole-exome sequencing, we identified a
      recessive missense mutation in nucleoporin-107 (NUP107, c.1339G>A,
      p.D447N).
    explanation: >-
      Demonstrates molecular diagnosis for a hereditary isolated subtype.
  - reference: PMID:32423379
    reference_title: "LARS2-Perrault syndrome: a new case report and literature review."
    supports: SUPPORT
    evidence_source: OTHER
    snippet: >-
      Systematic genetic screening of children with hearing loss allows the
      early identification of a Perrault syndrome in order to ensure specific
      endocrinological surveillance and management to prevent secondary
      complications.
    explanation: >-
      Supports molecular testing when the syndromic hearing-loss branch is
      suspected.
- name: Audiology assessment for Perrault-spectrum disease
  presence: Sensorineural hearing loss or pathogenic variants in Perrault-spectrum genes.
  description: >-
    Audiology evaluation distinguishes Perrault-spectrum disease from isolated
    46,XX gonadal dysgenesis and guides hearing support.
  diagnosis_term:
    preferred_term: audiologist evaluation
    term:
      id: MAXO:0000734
      label: audiologist evaluation
  evidence:
  - reference: PMID:32423379
    reference_title: "LARS2-Perrault syndrome: a new case report and literature review."
    supports: SUPPORT
    evidence_source: OTHER
    snippet: >-
      Hearing loss should be assessed and treated by a multidisciplinary team
      including an audiologist and otolaryngologist.
    explanation: >-
      Supports audiology assessment and hearing-care referral for the
      Perrault-spectrum subtype.
treatments:
- name: Pubertal induction and long-term hormone replacement
  description: >-
    Estrogen-based pubertal induction followed by estrogen-progestogen
    maintenance is used to initiate and sustain puberty, support secondary
    sexual characteristics, and reduce long-term consequences of
    hypoestrogenism.
  treatment_term:
    preferred_term: sex hormone modifying agent therapy
    term:
      id: MAXO:0000282
      label: sex hormone modifying agent therapy
  target_phenotypes:
  - preferred_term: Delayed puberty
    term:
      id: HP:0000823
      label: Delayed puberty
  - preferred_term: Hypergonadotropic hypogonadism
    term:
      id: HP:0000815
      label: Hypergonadotropic hypogonadism
  evidence:
  - reference: PMID:36300209
    reference_title: "Hypogonadism in adolescent girls: treatment and long-term effects."
    supports: SUPPORT
    evidence_source: OTHER
    snippet: >-
      Girls with hypogonadism require hormone replacement therapy to initiate and
      sustain puberty.
    explanation: >-
      Supports pubertal induction and maintenance hormone replacement for
      hypogonadal adolescents.
  - reference: PMID:35142292
    reference_title: >-
      A rare case of 46,XX gonadal dysgenesis, Mayer-Rokitansky-Kuster-Hauser
      syndrome, pituitary and thyroid hypoplasia.
    supports: SUPPORT
    evidence_source: HUMAN_CLINICAL
    snippet: >-
      Hormone replacement therapy remains the only therapeutic option for the
      development of secondary sexual characteristics and the prevention of
      osteoporosis.
    explanation: >-
      This directly supports hormone replacement therapy as core conservative
      management for 46,XX gonadal dysgenesis.
- name: Cyclic estrogen-progestogen maintenance when uterus is present
  description: >-
    Once estrogenized uterine tissue is present, cyclic progestogen is used with
    estrogen to oppose endometrial effects during long-term replacement.
  treatment_term:
    preferred_term: sex hormone modifying agent therapy
    term:
      id: MAXO:0000282
      label: sex hormone modifying agent therapy
  target_phenotypes:
  - preferred_term: Hypergonadotropic hypogonadism
    term:
      id: HP:0000815
      label: Hypergonadotropic hypogonadism
  evidence:
  - reference: PMID:31809259
    reference_title: >-
      Misdiagnosis of Mullerian agenesis in a patient with 46, XX gonadal
      dysgenesis: a missed opportunity for prevention of osteoporosis.
    supports: SUPPORT
    evidence_source: HUMAN_CLINICAL
    snippet: >-
      Treatment with estrogen and progesterone are required for reducing the risk
      of endometrial hyperplasia and carcinoma, which will increase due to
      long-term application of estrogen without opposition.
    explanation: >-
      Supports cyclic progestogen addition to estrogen replacement when uterine
      tissue is present.
- name: Bone-health monitoring and calcium-vitamin D support
  description: >-
    Delayed diagnosis and prolonged hypoestrogenism can cause osteopenia or
    osteoporosis, so bone-density monitoring plus calcium and vitamin D support
    should accompany hormone replacement.
  treatment_term:
    preferred_term: Dual-energy X-ray absorptiometry procedure
    term:
      id: MAXO:0020004
      label: Dual-energy X-ray absorptiometry procedure
  evidence:
  - reference: PMID:31809259
    reference_title: >-
      Misdiagnosis of Mullerian agenesis in a patient with 46, XX gonadal
      dysgenesis: a missed opportunity for prevention of osteoporosis.
    supports: SUPPORT
    evidence_source: HUMAN_CLINICAL
    snippet: >-
      Early initiation of estrogen therapy is essential to minimize bone loss.
      Moreover, lifelong oral calcium and vitamin D supplement should be given to
      maintain bone health.
    explanation: >-
      Supports bone-focused management in hypoestrogenic 46,XX gonadal
      dysgenesis.
  - reference: PMID:24945456
    reference_title: "Committee opinion no. 605: primary ovarian insufficiency in adolescents and young women."
    supports: SUPPORT
    evidence_source: OTHER
    snippet: >-
      The goals of hormonal therapy extend beyond simply symptom relief to levels
      that support bone, cardiovascular, and sexual health.
    explanation: >-
      General adolescent POI guidance supports bone-health goals for hormone
      therapy.
- name: Fertility and reproductive counseling
  description: >-
    Counseling should cover infertility expectations, reproductive endocrinology
    referral, donor-oocyte or gestational-surrogacy pathways when relevant, and
    recurrence-risk implications for inherited subtypes.
  treatment_term:
    preferred_term: behavioral counseling
    term:
      id: MAXO:0000077
      label: behavioral counseling
  target_phenotypes:
  - preferred_term: Female infertility
    term:
      id: HP:0008222
      label: Female infertility
  evidence:
  - reference: PMID:24945456
    reference_title: "Committee opinion no. 605: primary ovarian insufficiency in adolescents and young women."
    supports: SUPPORT
    evidence_source: OTHER
    snippet: >-
      Patients and their families should be counseled on the effect of the
      patient's condition on future fertility, on the risk of comorbidities
      associated with primary ovarian insufficiency, and on the condition's
      potential for genetic inheritance.
    explanation: >-
      Supports fertility and inheritance counseling in adolescent ovarian
      insufficiency.
  - reference: PMID:31809259
    reference_title: >-
      Misdiagnosis of Mullerian agenesis in a patient with 46, XX gonadal
      dysgenesis: a missed opportunity for prevention of osteoporosis.
    supports: PARTIAL
    evidence_source: HUMAN_CLINICAL
    snippet: >-
      She has been informed about future options for having children by adoption
      or gestational surrogacy.
    explanation: >-
      Case-level evidence supports reproductive-option counseling, though it is
      not a comparative intervention study.
- name: Psychologic support and longitudinal follow-up
  description: >-
    Diagnosis can affect self-esteem, emotional health, fertility expectations,
    and identity; longitudinal care should include psychologic counseling and at
    least annual follow-up for ovarian-insufficiency consequences.
  treatment_term:
    preferred_term: behavioral counseling
    term:
      id: MAXO:0000077
      label: behavioral counseling
  evidence:
  - reference: PMID:24945456
    reference_title: "Committee opinion no. 605: primary ovarian insufficiency in adolescents and young women."
    supports: SUPPORT
    evidence_source: OTHER
    snippet: >-
      Psychologic counseling also should be offered because impaired self-esteem
      and emotional distress have been reported after diagnosis of primary
      ovarian insufficiency.
    explanation: >-
      Supports psychologic counseling after diagnosis.
  - reference: PMID:24945456
    reference_title: "Committee opinion no. 605: primary ovarian insufficiency in adolescents and young women."
    supports: SUPPORT
    evidence_source: OTHER
    snippet: >-
      Once primary ovarian insufficiency is diagnosed, patients should be
      evaluated at least annually.
    explanation: >-
      Supports longitudinal follow-up.
- name: Audiology and hearing-support management for Perrault-spectrum cases
  description: >-
    Perrault-spectrum patients need multidisciplinary hearing assessment and
    intervention planning in parallel with endocrine surveillance.
  treatment_term:
    preferred_term: audiologist evaluation
    term:
      id: MAXO:0000734
      label: audiologist evaluation
  target_phenotypes:
  - preferred_term: Sensorineural hearing impairment
    term:
      id: HP:0000407
      label: Sensorineural hearing impairment
  evidence:
  - reference: PMID:32423379
    reference_title: "LARS2-Perrault syndrome: a new case report and literature review."
    supports: SUPPORT
    evidence_source: OTHER
    snippet: >-
      Hearing loss should be assessed and treated by a multidisciplinary team
      including an audiologist and otolaryngologist.
    explanation: >-
      Supports audiology-led hearing management for the Perrault-spectrum
      subtype.
clinical_trials:
- name: NCT06518746
  phase: NOT_APPLICABLE
  status: RECRUITING
  description: >-
    Pilot interventional study evaluating gonadal tissue cryopreservation for
    fertility preservation or restoration of hormonal function in patients with
    gonadal dysgenesis/DSD who are at risk of decreased fertility potential or
    malignancy.
  target_phenotypes:
  - preferred_term: female infertility
    term:
      id: HP:0008222
      label: Female infertility
  evidence:
  - reference: clinicaltrials:NCT06518746
    reference_title: Gonadal Dysgenesis Tissue Cryopreservation for Fertility Preservation
    supports: SUPPORT
    evidence_source: HUMAN_CLINICAL
    snippet: >-
      The overall objective of this study is to determine the safety and
      efficacy of gonadal tissue cryopreservation as a method of preserving
      fertility and/or restoring hormonal function in patients with gonadal
      dysgenesis who are at risk of decreased fertility potential or malignancy.
    explanation: >-
      ClinicalTrials.gov describes an active gonadal tissue cryopreservation
      study directly relevant to infertility risk in gonadal dysgenesis.
discussions:
- discussion_id: gap_46xx_gd_oligogenic_modifier_burden
  prompt: >-
    In genetically unsolved 46,XX gonadal dysgenesis, how often do combined
    heterozygous variants in ovarian maturation genes act as modifiers or
    oligogenic contributors rather than independent monogenic causes?
  kind: KNOWLEDGE_GAP
  status: OPEN
  attaches_to:
  - pathophysiology#Genetic disruption of female gonad development
  rationale: >-
    Case-level data support a possible synergic FIGLA/NOBOX/NR5A1 model, but
    the evidence is not yet strong enough to reclassify each variant as a
    general causal mechanism for this disease entity.
  evidence:
  - reference: PMID:33101191
    reference_title: >-
      The Potential Synergic Effect of a Complex Pattern of Multiple Inherited
      Genetic Variants as a Pathogenic Factor for Ovarian Dysgenesis: A Case
      Report.
    supports: SUPPORT
    evidence_source: HUMAN_CLINICAL
    snippet: >-
      Our results support the hypothesis that the severity of the clinical
      picture of the proband, resulting in complete ovarian dysgenesis, may be
      due to a synergic detrimental effect of inherited genetic variants.
    explanation: >-
      This supports preserving the oligogenic modifier model as an open
      disease-mechanism question rather than a settled single-gene assertion.
references:
- reference: DOI:10.1016/j.ajhg.2011.09.006
  title: XX Ovarian Dysgenesis Is Caused by a PSMC3IP/HOP2 Mutation that Abolishes Coactivation of Estrogen-Driven Transcription
  found_in:
  - 46_XX_Gonadal_Dysgenesis-deep-research-falcon.md
  findings: []
- reference: DOI:10.1016/j.ecl.2024.01.009
  title: Primary Amenorrhea and Premature Ovarian Insufficiency
  found_in:
  - 46_XX_Gonadal_Dysgenesis-deep-research-falcon.md
  findings:
  - statement: Primary Amenorrhea and Premature Ovarian Insufficiency
    supporting_text: Primary Amenorrhea and Premature Ovarian Insufficiency
- reference: DOI:10.1086/422103
  title: Hypergonadotropic Ovarian Failure Associated with an Inherited Mutation of Human Bone Morphogenetic Protein-15 (BMP15) Gene
  found_in:
  - 46_XX_Gonadal_Dysgenesis-deep-research-falcon.md
  findings:
  - statement: Hypergonadotropic Ovarian Failure Associated with an Inherited Mutation of Human Bone Morphogenetic Protein-15 (BMP15) Gene
    supporting_text: Hypergonadotropic Ovarian Failure Associated with an Inherited Mutation of Human Bone Morphogenetic Protein-15 (BMP15) Gene
- reference: DOI:10.1093/humrep/dew025
  title: 'A novel follicle-stimulating hormone receptor mutation causing primary ovarian failure: a fertility application of whole exome sequencing'
  found_in:
  - 46_XX_Gonadal_Dysgenesis-deep-research-falcon.md
  findings:
  - statement: 'A novel follicle-stimulating hormone receptor mutation causing primary ovarian failure: a fertility application of whole exome sequencing'
    supporting_text: 'A novel follicle-stimulating hormone receptor mutation causing primary ovarian failure: a fertility application of whole exome sequencing'
- reference: DOI:10.1172/JCI83553
  title: A mutation in the nucleoporin-107 gene causes XX gonadal dysgenesis
  found_in:
  - 46_XX_Gonadal_Dysgenesis-deep-research-falcon.md
  findings: []
- reference: DOI:10.2350/14-04-1471-pb.1
  title: Perspectives in Pediatric Pathology, Chapter 5. Gonadal Dysgenesis
  found_in:
  - 46_XX_Gonadal_Dysgenesis-deep-research-falcon.md
  findings:
  - statement: One of the most challenging areas in pediatric testicular pathology is the appropriate understanding and pathological diagnosis of disorders of sexual development (DSD), and in particular, the issue of gonadal dysgenesis.
    supporting_text: One of the most challenging areas in pediatric testicular pathology is the appropriate understanding and pathological diagnosis of disorders of sexual development (DSD), and in particular, the issue of gonadal dysgenesis.
    evidence:
    - reference: DOI:10.2350/14-04-1471-pb.1
      reference_title: Perspectives in Pediatric Pathology, Chapter 5. Gonadal Dysgenesis
      supports: SUPPORT
      evidence_source: OTHER
      snippet: One of the most challenging areas in pediatric testicular pathology is the appropriate understanding and pathological diagnosis of disorders of sexual development (DSD), and in particular, the issue of gonadal dysgenesis.
      explanation: Deep research cited this publication as relevant literature for 46 XX Gonadal Dysgenesis.
- reference: DOI:10.3389/fendo.2020.540683
  title: 'The Potential Synergic Effect of a Complex Pattern of Multiple Inherited Genetic Variants as a Pathogenic Factor for Ovarian Dysgenesis: A Case Report'
  found_in:
  - 46_XX_Gonadal_Dysgenesis-deep-research-falcon.md
  findings:
  - statement: 'The Potential Synergic Effect of a Complex Pattern of Multiple Inherited Genetic Variants as a Pathogenic Factor for Ovarian Dysgenesis: A Case Report'
    supporting_text: 'The Potential Synergic Effect of a Complex Pattern of Multiple Inherited Genetic Variants as a Pathogenic Factor for Ovarian Dysgenesis: A Case Report'
- reference: DOI:10.3389/fendo.2024.1354759
  title: Diagnosis and management of non-CAH 46,XX disorders/differences in sex development
  found_in:
  - 46_XX_Gonadal_Dysgenesis-deep-research-falcon.md
  findings:
  - statement: Prenatal-onset androgen excess leads to abnormal sexual development in 46,XX individuals.
    supporting_text: Prenatal-onset androgen excess leads to abnormal sexual development in 46,XX individuals.
    evidence:
    - reference: DOI:10.3389/fendo.2024.1354759
      reference_title: Diagnosis and management of non-CAH 46,XX disorders/differences in sex development
      supports: SUPPORT
      evidence_source: HUMAN_CLINICAL
      snippet: Prenatal-onset androgen excess leads to abnormal sexual development in 46,XX individuals.
      explanation: Deep research cited this publication as relevant literature for 46 XX Gonadal Dysgenesis.
- reference: DOI:10.3389/fendo.2024.1372887
  title: Long-term outcomes in non-CAH 46,XX DSD
  found_in:
  - 46_XX_Gonadal_Dysgenesis-deep-research-falcon.md
  findings:
  - statement: Differences/disorders of sex development (DSD) comprise a large group of rare congenital conditions.
    supporting_text: Differences/disorders of sex development (DSD) comprise a large group of rare congenital conditions.
    evidence:
    - reference: DOI:10.3389/fendo.2024.1372887
      reference_title: Long-term outcomes in non-CAH 46,XX DSD
      supports: SUPPORT
      evidence_source: HUMAN_CLINICAL
      snippet: Differences/disorders of sex development (DSD) comprise a large group of rare congenital conditions.
      explanation: Deep research cited this publication as relevant literature for 46 XX Gonadal Dysgenesis.
- reference: DOI:10.3389/fendo.2024.1402579
  title: '46,XX Differences of Sex Development outside congenital adrenal hyperplasia: pathogenesis, clinical aspects, puberty, sex hormone replacement therapy and fertility outcomes'
  found_in:
  - 46_XX_Gonadal_Dysgenesis-deep-research-falcon.md
  findings:
  - statement: The term ‘differences of sex development’ (DSD) refers to a group of congenital conditions that are associated with atypical development of chromosomal, gonadal, and/or anatomical sex.
    supporting_text: The term ‘differences of sex development’ (DSD) refers to a group of congenital conditions that are associated with atypical development of chromosomal, gonadal, and/or anatomical sex.
    evidence:
    - reference: DOI:10.3389/fendo.2024.1402579
      reference_title: '46,XX Differences of Sex Development outside congenital adrenal hyperplasia: pathogenesis, clinical aspects, puberty, sex hormone replacement therapy and fertility outcomes'
      supports: SUPPORT
      evidence_source: HUMAN_CLINICAL
      snippet: The term ‘differences of sex development’ (DSD) refers to a group of congenital conditions that are associated with atypical development of chromosomal, gonadal, and/or anatomical sex.
      explanation: Deep research cited this publication as relevant literature for 46 XX Gonadal Dysgenesis.
- reference: DOI:10.3390/cimb46050274
  title: 'Role of NR5A1 Gene Mutations in Disorders of Sex Development: Molecular and Clinical Features'
  found_in:
  - 46_XX_Gonadal_Dysgenesis-deep-research-falcon.md
  findings:
  - statement: 'Role of NR5A1 Gene Mutations in Disorders of Sex Development: Molecular and Clinical Features'
    supporting_text: Disorders/differences of sex development (DSDs) are defined as broad, heterogenous groups of congenital conditions characterized by atypical development of genetic, gonadal, or phenotypic sex accompanied by abnormal development of internal and/or external genitalia.
    evidence:
    - reference: DOI:10.3390/cimb46050274
      reference_title: 'Role of NR5A1 Gene Mutations in Disorders of Sex Development: Molecular and Clinical Features'
      supports: SUPPORT
      evidence_source: HUMAN_CLINICAL
      snippet: Disorders/differences of sex development (DSDs) are defined as broad, heterogenous groups of congenital conditions characterized by atypical development of genetic, gonadal, or phenotypic sex accompanied by abnormal development of internal and/or external genitalia.
      explanation: Deep research cited this publication as relevant literature for 46 XX Gonadal Dysgenesis.
- reference: PMID:19246354
  title: Mutations in NR5A1 associated with ovarian insufficiency.
  found_in:
  - 46_XX_Gonadal_Dysgenesis-deep-research-openai.md
  findings: []
- reference: PMID:21963259
  title: XX ovarian dysgenesis is caused by a PSMC3IP/HOP2 mutation that abolishes coactivation of estrogen-driven transcription.
  found_in:
  - 46_XX_Gonadal_Dysgenesis-deep-research-openai.md
  findings: []
- reference: PMID:23087880
  title: "A rare cause for primary amenorrhea: Sporadic perrault syndrome."
  found_in:
  - 46_XX_Gonadal_Dysgenesis-deep-research-openai.md
  findings: []
- reference: PMID:26485283
  title: A mutation in the nucleoporin-107 gene causes XX gonadal dysgenesis.
  found_in:
  - 46_XX_Gonadal_Dysgenesis-deep-research-openai.md
  findings: []
- reference: PMID:31809259
  title: 'Misdiagnosis of Mullerian agenesis in a patient with 46, XX gonadal dysgenesis: a missed opportunity for prevention of osteoporosis.'
  found_in:
  - 46_XX_Gonadal_Dysgenesis-deep-research-openai.md
  findings:
  - statement: >-
      Hormone profiles and karyotype evaluation help distinguish 46,XX gonadal
      dysgenesis from MRKH syndrome in primary amenorrhea.
    supporting_text: >-
      Hormone profiles and karyotype should be investigated in all cases of the
      presumptive diagnosis of Mayer-Rokitansky-Kuster-Hauser (MRKH) syndrome or
      Mullerian agenesis.
    evidence:
    - reference: PMID:31809259
      reference_title: 'Misdiagnosis of Mullerian agenesis in a patient with 46, XX gonadal dysgenesis: a missed opportunity for prevention of osteoporosis.'
      supports: SUPPORT
      evidence_source: HUMAN_CLINICAL
      snippet: >-
        Hormone profiles and karyotype should be investigated in all cases of
        the presumptive diagnosis of Mayer-Rokitansky-Kuster-Hauser (MRKH)
        syndrome or Mullerian agenesis.
      explanation: Deep research cited this publication as relevant literature for 46 XX Gonadal Dysgenesis.
- reference: PMID:35142292
  title: "A rare case of 46,XX gonadal dysgenesis, Mayer-Rokitansky-Kuster-Hauser syndrome, pituitary and thyroid hypoplasia."
  found_in:
  - 46_XX_Gonadal_Dysgenesis-deep-research-openai.md
  findings: []
- reference: PMID:7553856
  title: Mutation in the follicle-stimulating hormone receptor gene causes hereditary hypergonadotropic ovarian failure.
  found_in:
  - 46_XX_Gonadal_Dysgenesis-deep-research-openai.md
  findings: []
- reference: PMID:8855829
  title: Clinical features of primary ovarian failure caused by a point mutation in the follicle-stimulating hormone receptor gene.
  found_in:
  - 46_XX_Gonadal_Dysgenesis-deep-research-openai.md
  findings: []
📚

References & Deep Research

References

19
XX Ovarian Dysgenesis Is Caused by a PSMC3IP/HOP2 Mutation that Abolishes Coactivation of Estrogen-Driven Transcription
No top-level findings curated for this source.
Primary Amenorrhea and Premature Ovarian Insufficiency
1 finding
Primary Amenorrhea and Premature Ovarian Insufficiency
"Primary Amenorrhea and Premature Ovarian Insufficiency"
Hypergonadotropic Ovarian Failure Associated with an Inherited Mutation of Human Bone Morphogenetic Protein-15 (BMP15) Gene
1 finding
Hypergonadotropic Ovarian Failure Associated with an Inherited Mutation of Human Bone Morphogenetic Protein-15 (BMP15) Gene
"Hypergonadotropic Ovarian Failure Associated with an Inherited Mutation of Human Bone Morphogenetic Protein-15 (BMP15) Gene"
A novel follicle-stimulating hormone receptor mutation causing primary ovarian failure: a fertility application of whole exome sequencing
1 finding
A novel follicle-stimulating hormone receptor mutation causing primary ovarian failure: a fertility application of whole exome sequencing
"A novel follicle-stimulating hormone receptor mutation causing primary ovarian failure: a fertility application of whole exome sequencing"
A mutation in the nucleoporin-107 gene causes XX gonadal dysgenesis
No top-level findings curated for this source.
Perspectives in Pediatric Pathology, Chapter 5. Gonadal Dysgenesis
1 finding
One of the most challenging areas in pediatric testicular pathology is the appropriate understanding and pathological diagnosis of disorders of sexual development (DSD), and in particular, the issue of gonadal dysgenesis.
"One of the most challenging areas in pediatric testicular pathology is the appropriate understanding and pathological diagnosis of disorders of sexual development (DSD), and in particular, the issue of gonadal dysgenesis."
Show evidence (1 reference)
"One of the most challenging areas in pediatric testicular pathology is the appropriate understanding and pathological diagnosis of disorders of sexual development (DSD), and in particular, the issue of gonadal dysgenesis."
Deep research cited this publication as relevant literature for 46 XX Gonadal Dysgenesis.
The Potential Synergic Effect of a Complex Pattern of Multiple Inherited Genetic Variants as a Pathogenic Factor for Ovarian Dysgenesis: A Case Report
1 finding
The Potential Synergic Effect of a Complex Pattern of Multiple Inherited Genetic Variants as a Pathogenic Factor for Ovarian Dysgenesis: A Case Report
"The Potential Synergic Effect of a Complex Pattern of Multiple Inherited Genetic Variants as a Pathogenic Factor for Ovarian Dysgenesis: A Case Report"
Diagnosis and management of non-CAH 46,XX disorders/differences in sex development
1 finding
Prenatal-onset androgen excess leads to abnormal sexual development in 46,XX individuals.
"Prenatal-onset androgen excess leads to abnormal sexual development in 46,XX individuals."
Show evidence (1 reference)
DOI:10.3389/fendo.2024.1354759 SUPPORT Human Clinical
"Prenatal-onset androgen excess leads to abnormal sexual development in 46,XX individuals."
Deep research cited this publication as relevant literature for 46 XX Gonadal Dysgenesis.
Long-term outcomes in non-CAH 46,XX DSD
1 finding
Differences/disorders of sex development (DSD) comprise a large group of rare congenital conditions.
"Differences/disorders of sex development (DSD) comprise a large group of rare congenital conditions."
Show evidence (1 reference)
DOI:10.3389/fendo.2024.1372887 SUPPORT Human Clinical
"Differences/disorders of sex development (DSD) comprise a large group of rare congenital conditions."
Deep research cited this publication as relevant literature for 46 XX Gonadal Dysgenesis.
46,XX Differences of Sex Development outside congenital adrenal hyperplasia: pathogenesis, clinical aspects, puberty, sex hormone replacement therapy and fertility outcomes
1 finding
The term ‘differences of sex development’ (DSD) refers to a group of congenital conditions that are associated with atypical development of chromosomal, gonadal, and/or anatomical sex.
"The term ‘differences of sex development’ (DSD) refers to a group of congenital conditions that are associated with atypical development of chromosomal, gonadal, and/or anatomical sex."
Show evidence (1 reference)
DOI:10.3389/fendo.2024.1402579 SUPPORT Human Clinical
"The term ‘differences of sex development’ (DSD) refers to a group of congenital conditions that are associated with atypical development of chromosomal, gonadal, and/or anatomical sex."
Deep research cited this publication as relevant literature for 46 XX Gonadal Dysgenesis.
Role of NR5A1 Gene Mutations in Disorders of Sex Development: Molecular and Clinical Features
1 finding
Role of NR5A1 Gene Mutations in Disorders of Sex Development: Molecular and Clinical Features
"Disorders/differences of sex development (DSDs) are defined as broad, heterogenous groups of congenital conditions characterized by atypical development of genetic, gonadal, or phenotypic sex accompanied by abnormal development of internal and/or external genitalia."
Show evidence (1 reference)
DOI:10.3390/cimb46050274 SUPPORT Human Clinical
"Disorders/differences of sex development (DSDs) are defined as broad, heterogenous groups of congenital conditions characterized by atypical development of genetic, gonadal, or phenotypic sex accompanied by abnormal development of internal and/or external genitalia."
Deep research cited this publication as relevant literature for 46 XX Gonadal Dysgenesis.
Mutations in NR5A1 associated with ovarian insufficiency.
No top-level findings curated for this source.
XX ovarian dysgenesis is caused by a PSMC3IP/HOP2 mutation that abolishes coactivation of estrogen-driven transcription.
No top-level findings curated for this source.
A rare cause for primary amenorrhea: Sporadic perrault syndrome.
No top-level findings curated for this source.
A mutation in the nucleoporin-107 gene causes XX gonadal dysgenesis.
No top-level findings curated for this source.
Misdiagnosis of Mullerian agenesis in a patient with 46, XX gonadal dysgenesis: a missed opportunity for prevention of osteoporosis.
1 finding
Hormone profiles and karyotype evaluation help distinguish 46,XX gonadal dysgenesis from MRKH syndrome in primary amenorrhea.
"Hormone profiles and karyotype should be investigated in all cases of the presumptive diagnosis of Mayer-Rokitansky-Kuster-Hauser (MRKH) syndrome or Mullerian agenesis."
Show evidence (1 reference)
PMID:31809259 SUPPORT Human Clinical
"Hormone profiles and karyotype should be investigated in all cases of the presumptive diagnosis of Mayer-Rokitansky-Kuster-Hauser (MRKH) syndrome or Mullerian agenesis."
Deep research cited this publication as relevant literature for 46 XX Gonadal Dysgenesis.
A rare case of 46,XX gonadal dysgenesis, Mayer-Rokitansky-Kuster-Hauser syndrome, pituitary and thyroid hypoplasia.
No top-level findings curated for this source.
Mutation in the follicle-stimulating hormone receptor gene causes hereditary hypergonadotropic ovarian failure.
No top-level findings curated for this source.
Clinical features of primary ovarian failure caused by a point mutation in the follicle-stimulating hormone receptor gene.
No top-level findings curated for this source.

Deep Research

2
Falcon
Disease Characteristics Research Template
Edison Scientific Literature 29 citations 2026-05-30T00:39:58.747214

Question: You are an expert researcher providing comprehensive, well-cited information.

Provide detailed information focusing on: 1. Key concepts and definitions with current understanding 2. Recent developments and latest research (prioritize 2023-2024 sources) 3. Current applications and real-world implementations 4. Expert opinions and analysis from authoritative sources 5. Relevant statistics and data from recent studies

Format as a comprehensive research report with proper citations. Include URLs and publication dates where available. Always prioritize recent, authoritative sources and provide specific citations for all major claims.

Disease Characteristics Research Template

Target Disease

  • Disease Name: 46,XX Gonadal Dysgenesis
  • MONDO ID: (if available)
  • Category: Mendelian

Research Objectives

Please provide a comprehensive research report on 46,XX Gonadal Dysgenesis covering all of the disease characteristics listed below. This report will be used to populate a disease knowledge base entry. Be thorough and cite primary literature (PMID preferred) for all claims.

For each section, suggested databases/resources are listed. These are the first places you should search for information on each topic.


1. Disease Information

Search first: OMIM, Orphanet, ICD-10/ICD-11, MeSH, PubMed

  • What is the disease? Provide a concise overview.
  • What are the key identifiers? (OMIM, Orphanet, ICD-10/ICD-11, MeSH, Mondo)
  • What are the common synonyms and alternative names?
  • Is the information derived from individual patients (e.g., EHR) or aggregated disease-level resources?

2. Etiology

  • Disease Causal Factors: What are the primary causes? (genetic, environmental, infectious, mechanistic)
  • Risk Factors:

    Search first: PubMed, Cochrane Library, UpToDate, clinical guidelines, ClinVar, ClinGen, GWAS Catalog, PheGenI, CTD, CDC, WHO, epidemiological databases

  • Genetic risk factors (causal variants, susceptibility loci, modifier genes)
  • Environmental risk factors (toxins, lifestyle, occupational exposures, age, sex, family history)
  • Protective Factors:

    Search first: PubMed, Cochrane Library, clinical trial databases, GWAS Catalog, gnomAD, WHO, CDC, nutrition databases

  • Genetic protective factors (protective variants, modifier alleles)
  • Environmental protective factors (diet, lifestyle, exposures that reduce risk)
  • Gene-Environment Interactions: How do genetic and environmental factors interact to influence disease?

    Search first: CTD, PubMed, PheGenI, GxE databases

3. Phenotypes

Search first: HPO (Human Phenotype Ontology), OMIM, Orphanet, PubMed, clinicaltrials.gov, MedDRA, SNOMED CT, DECIPHER, LOINC

For each phenotype, provide: - Phenotype type: symptoms, clinical signs, physical manifestations, behavioral changes, or laboratory abnormalities

For symptoms/signs: HPO, OMIM, Orphanet, PubMed For behavioral changes: HPO, DSM, RDoC (Research Domain Criteria), PubMed For laboratory abnormalities: LOINC, SNOMED CT, LabTests Online, PubMed - Phenotype characteristics: Search first: OMIM, Orphanet, HPO, PubMed - Age of symptom onset (neonatal, childhood, adult-onset, late-onset) - Symptom severity (mild, moderate, severe, variable) - Symptom progression (stable, progressive, episodic, fluctuating) - Frequency among affected individuals (percentage or qualitative) - Quality of life impact: Effects on daily functioning and well-being (per-phenotype when possible) Search first: EQ-5D database, SF-36, WHO QOL databases, PubMed - Suggest HPO (Human Phenotype Ontology) terms for each phenotype

4. Genetic/Molecular Information

  • Causal Genes: Gene mutations or chromosomal abnormalities responsible for disease (gene symbols, OMIM IDs)

    Search first: OMIM, ClinVar, HGMD, Ensembl, NCBI Gene

  • Pathogenic Variants:
  • Affected genes (gene symbols, HGNC IDs) > Search first: OMIM, NCBI Gene, Ensembl, HGNC, UniProt, GeneCards
  • Variant classification (pathogenic, likely pathogenic, VUS per ACMG/AMP guidelines) > Search first: ClinVar, ClinGen, ACMG/AMP guidelines, VarSome
  • Variant type/class (missense, frameshift, nonsense, splice-site, structural)
  • Allele frequency in population databases > Search first: gnomAD, 1000 Genomes, ExAC, TOPMed, dbSNP
  • Somatic vs germline origin > Search first: COSMIC (somatic), ClinVar, ICGC, TCGA
  • Functional consequences (loss of function, gain of function, dominant negative)
  • Modifier Genes: Genes that modify disease severity or expression
  • Epigenetic Information: DNA methylation, histone modifications, chromatin changes affecting disease

    Search first: ENCODE, Roadmap Epigenomics, MethBase, DiseaseMeth

  • Chromosomal Abnormalities: Large-scale genetic changes (aneuploidy, translocations, inversions)

    Search first: DECIPHER, ClinVar, ECARUCA, UCSC Genome Browser

5. Environmental Information

  • Environmental Factors: Non-genetic contributing factors (toxins, radiation, pollution, occupational exposure)

    Search first: CTD (Comparative Toxicogenomics Database), TOXNET, PubMed, EPA databases

  • Lifestyle Factors: Behavioral factors (smoking, diet, exercise, alcohol consumption)

    Search first: CDC databases, WHO, PubMed, NHANES

  • Infectious Agents: If applicable, pathogens causing or triggering disease (bacteria, viruses, fungi, parasites)

    Search first: NCBI Taxonomy, ViPR, BV-BRC, MicrobeDB, GIDEON

6. Mechanism / Pathophysiology

  • Molecular Pathways: Specific signaling cascades or biochemical pathways involved (Wnt, MAPK, mTOR, PI3K-AKT, etc.)

    Search first: KEGG, Reactome, WikiPathways, PathBank, BioCyc

  • Cellular Processes: Cell-level mechanisms (apoptosis, autophagy, cell cycle dysregulation, inflammation, etc.)

    Search first: Gene Ontology (GO), Reactome, KEGG, PubMed

  • Protein Dysfunction: How protein structure or function is altered (misfolding, aggregation, loss of function, gain of function)

    Search first: UniProt, PDB (Protein Data Bank), InterPro, Pfam, AlphaFold

  • Metabolic Changes: Alterations in metabolic processes (energy metabolism, lipid metabolism, amino acid metabolism)

    Search first: KEGG, BioCyc, HMDB (Human Metabolome Database), BRENDA

  • Immune System Involvement: Role of immune response (autoimmunity, immunodeficiency, chronic inflammation)

    Search first: ImmPort, Immunome Database, IEDB, Gene Ontology

  • Tissue Damage Mechanisms: How tissues/ are injured (oxidative stress, ischemia, fibrosis, necrosis)

    Search first: PubMed, Gene Ontology, Reactome

  • Biochemical Abnormalities: Specific molecular defects (enzyme deficiencies, receptor dysfunction, ion channel defects)

    Search first: BRENDA, UniProt, KEGG, OMIM, PubMed

  • Epigenetic Changes: DNA methylation, histone modifications affecting gene expression in disease

    Search first: ENCODE, Roadmap Epigenomics, MethBase, DiseaseMeth

  • Molecular Profiling (if available):
  • Transcriptomics/gene expression changes > Search first: GEO (Gene Expression Omnibus), ArrayExpress, GTEx, Human Cell Atlas, SRA
  • Proteomics findings > Search first: PRIDE, ProteomeXchange, Human Protein Atlas, STRING, BioGRID
  • Metabolomics signatures > Search first: MetaboLights, Metabolomics Workbench, HMDB, METLIN
  • Lipidomics alterations > Search first: LIPID MAPS, SwissLipids, LipidHome, Metabolomics Workbench
  • Genomic structural features > Search first: UCSC Genome Browser, Ensembl, NCBI, dbVar, DGV
  • Advanced Technologies (if applicable):
  • Single-cell analysis findings (cell-type specific mechanisms, cellular heterogeneity) > Search first: Human Cell Atlas, Single Cell Portal, GEO, CELLxGENE
  • Spatial transcriptomics findings > Search first: GEO, Spatial Research, Vizgen, 10x Genomics data
  • Multi-omics integration results > Search first: TCGA, ICGC, cBioPortal, LinkedOmics, PubMed
  • Functional genomics screens (CRISPR, RNAi) > Search first: DepMap, GenomeRNAi, PubMed, BioGRID ORCS

For each mechanism, describe: - The causal chain from initial trigger to clinical manifestation - Which mechanisms are upstream vs downstream - What cell types and biological processes are involved - Suggest GO terms for biological processes and CL terms for cell types

7. Anatomical Structures Affected

  • Organ Level:
  • Primary organs directly affected
  • Secondary organ involvement (complications, secondary effects)
  • Body systems involved (cardiovascular, nervous, digestive, respiratory, endocrine, etc.)

    Search first: Uberon, FMA (Foundational Model of Anatomy), OMIM, HPO, ICD-11, MeSH, SNOMED CT

  • Tissue and Cell Level:
  • Specific tissue types affected (epithelial, connective, muscle, nervous)
  • Specific cell populations targeted (with Cell Ontology terms)

    Search first: Uberon, Human Protein Atlas, Cell Ontology, Human Cell Atlas, CellMarker, PanglaoDB

  • Subcellular Level:
  • Cellular compartments involved (mitochondria, nucleus, ER, lysosomes) (with GO Cellular Component terms)

    Search first: Gene Ontology (Cellular Component), UniProt, Human Protein Atlas

  • Localization:
  • Specific anatomical sites (with UBERON terms) > Search first: FMA, Uberon, NeuroNames (for brain), SNOMED CT
  • Lateralization (unilateral, bilateral, asymmetric) > Search first: HPO, clinical literature, imaging databases

8. Temporal Development

  • Onset:
  • Typical age of onset (congenital, pediatric, adult, geriatric)
  • Onset pattern (acute, subacute, chronic, insidious)

    Search first: OMIM, Orphanet, HPO, PubMed

  • Progression:
  • Disease stages (early, intermediate, advanced, end-stage) > Search first: Cancer Staging Manual (AJCC), WHO classifications, PubMed
  • Progression rate (rapid, slow, variable)
  • Disease course pattern (episodic, relapsing-remitting, progressive, stable)
  • Disease duration (self-limited, chronic lifelong)

    Search first: Disease registries, longitudinal cohort databases, natural history studies, PubMed, Orphanet, OMIM

  • Patterns:
  • Remission patterns (spontaneous, treatment-induced) > Search first: Clinical trial databases, disease registries, PubMed
  • Critical periods (time windows of vulnerability or opportunity for intervention) > Search first: PubMed, developmental biology databases, clinical guidelines

9. Inheritance and Population

  • Epidemiology:
  • Prevalence (cases per 100,000 at given time)
  • Incidence (new cases per 100,000 per year)

    Search first: Orphanet, CDC, WHO, GBD (Global Burden of Disease), national registries, SEER, disease registries

  • For Genetic Etiology:
  • Inheritance pattern (AD, AR, X-linked, mitochondrial, multifactorial, polygenic) > Search first: OMIM, Orphanet, ClinVar, GTR (Genetic Testing Registry)
  • Penetrance (complete, incomplete, age-dependent) > Search first: ClinVar, OMIM, PubMed, ClinGen
  • Expressivity (variable, consistent) > Search first: OMIM, ClinVar, PubMed
  • Genetic anticipation (increasing severity in successive generations) > Search first: OMIM, PubMed (especially for repeat expansion disorders)
  • Germline mosaicism > Search first: ClinVar, OMIM, genetic counseling literature, PubMed
  • Founder effects (population-specific mutations) > Search first: gnomAD, population genetics databases, PubMed
  • Consanguinity role > Search first: OMIM, population studies, genetic counseling resources
  • Carrier frequency > Search first: gnomAD, carrier screening databases, GeneReviews, GTR
  • Population Demographics:
  • Affected populations (ethnic or demographic groups with higher prevalence) > Search first: gnomAD, 1000 Genomes, PAGE Study, PubMed, population registries
  • Geographic distribution (endemic areas, regional variation) > Search first: WHO, CDC, GBD, Orphanet, geographic epidemiology databases
  • Geographic distribution of specific variants
  • Sex ratio (male:female) > Search first: Disease registries, OMIM, PubMed, epidemiological databases
  • Age distribution of affected individuals > Search first: CDC, disease registries, SEER, Orphanet

10. Diagnostics

  • Clinical Tests:
  • Laboratory tests (blood, urine, tissue chemistry, specific enzyme assays) > Search first: LOINC, LabTests Online, PubMed
  • Biomarkers (proteins, metabolites, genetic markers, circulating biomarkers) > Search first: FDA Biomarker List, BEST (Biomarkers, EndpointS, and other Tools), PubMed
  • Imaging studies (X-ray, CT, MRI, PET, ultrasound) > Search first: RadLex, DICOM, Radiopaedia, imaging databases
  • Functional tests (pulmonary function, cardiac stress tests) > Search first: LOINC, clinical guidelines, PubMed
  • Electrophysiology (EEG, EMG, ECG, nerve conduction studies) > Search first: LOINC, clinical neurophysiology databases, PubMed
  • Biopsy findings (histopathology, immunohistochemistry) > Search first: SNOMED CT, College of American Pathologists resources, PubMed
  • Pathology findings (microscopic examination) > Search first: SNOMED CT, Digital Pathology databases, PubMed
  • Genetic Testing:

    Search first: GTR (Genetic Testing Registry), GeneReviews, ClinGen

  • Overview of recommended genetic testing approach
  • Whole genome sequencing (WGS) utility > Search first: GTR, ClinVar, GEL (Genomics England), gnomAD
  • Whole exome sequencing (WES) utility > Search first: GTR, ClinVar, OMIM, GeneMatcher
  • Gene panels (which panels, which genes) > Search first: GTR, ClinVar, laboratory-specific databases
  • Single gene testing > Search first: GTR, ClinVar, OMIM, GeneReviews
  • Chromosomal microarray (CMA) > Search first: DECIPHER, ClinVar, dbVar, ECARUCA
  • Karyotyping > Search first: Chromosome Abnormality Database, ClinVar, cytogenetics resources
  • FISH > Search first: ClinVar, cytogenetics databases, PubMed
  • Mitochondrial DNA testing > Search first: MITOMAP, MSeqDR, ClinVar, GTR
  • Repeat expansion testing > Search first: GTR, ClinVar, repeat expansion databases, PubMed
  • Omics-Based Diagnostics (if applicable):
  • RNA sequencing / transcriptomics > Search first: GEO, ArrayExpress, GTEx, RNA-seq databases
  • Proteomics > Search first: PRIDE, ProteomeXchange, FDA Biomarker database
  • Metabolomics > Search first: MetaboLights, Metabolomics Workbench, HMDB
  • Epigenomics > Search first: GEO, ENCODE, Roadmap Epigenomics, MethBase
  • Liquid biopsy > Search first: COSMIC, ClinVar, liquid biopsy databases, PubMed
  • Clinical Criteria:
  • Standardized diagnostic criteria (DSM, ICD, society guidelines) > Search first: DSM-5, ICD-11, clinical society guidelines, UpToDate
  • Differential diagnosis (other conditions to rule out, with distinguishing features) > Search first: DynaMed, UpToDate, clinical decision support systems
  • Screening:
  • Screening methods for asymptomatic individuals (newborn screening, carrier screening, cascade screening) > Search first: ACMG recommendations, CDC newborn screening, GTR

11. Outcome/Prognosis

  • Survival and Mortality:
  • Survival rate (5-year, 10-year, overall) > Search first: SEER, cancer registries, disease-specific registries, PubMed
  • Life expectancy (with and without treatment if applicable) > Search first: Orphanet, disease registries, actuarial databases, PubMed
  • Mortality rate > Search first: CDC, WHO, GBD, national mortality databases
  • Disease-specific mortality (deaths directly attributable to disease) > Search first: Disease registries, CDC Wonder, GBD, PubMed
  • Morbidity and Function:
  • Morbidity (disease-related disability and health impacts) > Search first: GBD, WHO, disability databases, PubMed
  • Disability outcomes (long-term functional impairments) > Search first: ICF (International Classification of Functioning), disability registries
  • Quality of life measures (EQ-5D, SF-36, PROMIS, disease-specific tools) > Search first: EQ-5D database, SF-36, PROMIS, PubMed
  • Disease Course:
  • Complications (secondary problems: infections, organ failure, etc.) > Search first: ICD codes, disease registries, clinical databases, PubMed
  • Recovery potential (likelihood and extent of recovery, with vs without treatment) > Search first: Natural history studies, rehabilitation databases, PubMed
  • Prediction:
  • Prognostic factors (age, disease severity, biomarkers, treatment response) > Search first: Prognostic models databases, clinical calculators, PubMed
  • Prognostic biomarkers (molecular markers predicting disease course) > Search first: FDA Biomarker database, PubMed, cancer prognostic databases

12. Treatment

  • Pharmacotherapy:
  • Pharmacological treatments (drug names, drug classes, mechanisms of action) > Search first: DrugBank, RxNorm, ATC classification, DailyMed, FDA databases
  • Pharmacogenomics (how genetic variants affect drug metabolism, efficacy, toxicity) > Search first: PharmGKB, CPIC (Clinical Pharmacogenetics), FDA Table of PGx Biomarkers
  • Advanced Therapeutics:
  • Gene therapy (viral vectors, CRISPR, gene replacement, gene editing) > Search first: ClinicalTrials.gov, FDA gene therapy database, ASGCT resources
  • Cell therapy (stem cell transplant, CAR-T, cellular therapeutics) > Search first: ClinicalTrials.gov, FDA cell therapy database, FACT standards
  • RNA-based therapies (ASOs, siRNA, mRNA therapies) > Search first: ClinicalTrials.gov, FDA approvals, PubMed
  • Targeted therapies (treatments directed at specific molecular targets) > Search first: My Cancer Genome, OncoKB, ClinicalTrials.gov, FDA approvals
  • Immunotherapies (checkpoint inhibitors, monoclonal antibodies) > Search first: Cancer Immunotherapy Database, FDA approvals, ClinicalTrials.gov
  • Surgical and Interventional:
  • Surgical interventions (types of surgery, timing, outcomes) > Search first: CPT codes, surgical registries, clinical guidelines, PubMed
  • Supportive and Rehabilitative:
  • Supportive care (symptom management, pain control, nutrition) > Search first: Clinical guidelines, Cochrane Library, PubMed
  • Rehabilitation (physical therapy, occupational therapy, speech therapy) > Search first: Rehabilitation medicine databases, clinical guidelines, PubMed
  • Experimental:
  • Experimental treatments in clinical trials (with NCT identifiers if available) > Search first: ClinicalTrials.gov, EU Clinical Trials Register, WHO ICTRP
  • Treatment Outcomes:
  • Treatment response rates > Search first: Clinical trial databases, FDA reviews, systematic reviews, PubMed
  • Side effects and adverse events > Search first: FDA Adverse Event Reporting System (FAERS), MedWatch, PubMed
  • Treatment Strategy:
  • Treatment algorithms (clinical pathways, decision trees) > Search first: Clinical practice guidelines, NCCN Guidelines, UpToDate
  • Combination therapies > Search first: ClinicalTrials.gov, treatment guidelines, PubMed
  • Personalized medicine approaches (genotype-guided treatment) > Search first: My Cancer Genome, CIViC, PharmGKB, precision medicine databases

For each treatment, suggest MAXO (Medical Action Ontology) terms where applicable.

13. Prevention

  • Prevention Levels:
  • Primary prevention (preventing disease occurrence: vaccination, risk factor modification) > Search first: CDC, WHO, USPSTF recommendations, Cochrane Library
  • Secondary prevention (early detection and treatment: screening programs, early intervention) > Search first: USPSTF, CDC screening guidelines, WHO
  • Tertiary prevention (preventing complications in those with disease) > Search first: Clinical guidelines, disease management protocols, PubMed
  • Immunization: Vaccine strategies (if applicable)

    Search first: CDC vaccine schedules, WHO immunization, FDA vaccine database

  • Screening and Early Detection:
  • Screening programs (population-based: newborn screening, cancer screening) > Search first: CDC screening programs, USPSTF, cancer screening databases
  • Genetic screening (carrier screening, preimplantation genetic diagnosis, prenatal testing) > Search first: ACMG recommendations, ACOG guidelines, GTR
  • Risk stratification (identifying high-risk individuals for targeted prevention) > Search first: Risk prediction models, clinical calculators, PubMed
  • Behavioral Interventions: Lifestyle modifications to reduce risk

    Search first: CDC, WHO, behavioral intervention databases, Cochrane Library

  • Counseling: Genetic counseling (risk assessment, family planning guidance)

    Search first: NSGC resources, ACMG guidelines, GeneReviews

  • Public Health:
  • Public health interventions (sanitation, vector control, health education) > Search first: CDC, WHO, public health databases, PubMed
  • Environmental interventions (reducing environmental risk factors) > Search first: EPA databases, WHO environmental health, PubMed
  • Prophylaxis: Preventive medications or procedures

    Search first: Clinical guidelines, FDA approvals, PubMed

14. Other Species / Natural Disease

  • Taxonomy: Species affected (with NCBI Taxon identifiers)

    Search first: NCBI Taxonomy

  • Breed: Specific breeds affected (with VBO identifiers if applicable)

    Search first: VBO (Vertebrate Breed Ontology)

  • Gene: Orthologous genes in other species (with NCBI Gene IDs)

    Search first: NCBI Gene

  • Natural Disease:
  • Naturally occurring disease in other species (companion animals, wildlife) > Search first: OMIA (Online Mendelian Inheritance in Animals), VetCompass, PubMed
  • Veterinary relevance and importance in animal health > Search first: OMIA, veterinary databases, PubMed
  • Comparative Biology:
  • Comparative pathology (similarities and differences across species) > Search first: OMIA, comparative pathology databases, PubMed
  • Evolutionary conservation of disease mechanisms > Search first: HomoloGene, OrthoMCL, Alliance of Genome Resources
  • Transmission (if applicable):
  • Zoonotic potential > Search first: CDC zoonotic diseases, WHO zoonoses, GIDEON
  • Cross-species susceptibility > Search first: NCBI Taxonomy, veterinary databases, PubMed

15. Model Organisms

  • Model Types:
  • Model organism type (mammalian, invertebrate, cellular, in vitro) > Search first: Alliance of Genome Resources, model organism databases
  • Specific model systems (mouse, rat, zebrafish, Drosophila, C. elegans, yeast, cell lines, organoids, iPSCs) > Search first: MGI, RGD, ZFIN, FlyBase, WormBase, SGD, ATCC, Cellosaurus
  • Induced models (drug treatment, surgical intervention, environmental manipulation) > Search first: MGI, model organism databases, PubMed
  • Genetic Models:
  • Types available (knockout, knock-in, transgenic, conditional, humanized) > Search first: MGI, IMPC, KOMP, EuMMCR, IMSR
  • Model Characteristics:
  • Phenotype recapitulation (how well model reproduces human disease features) > Search first: Model organism databases, comparative studies, PubMed
  • Model limitations (aspects of human disease not captured) > Search first: Model organism databases, PubMed, review articles
  • Applications:
  • Research applications (what aspects of disease can be studied) > Search first: Model organism databases, PubMed
  • Resources:
  • Model databases > Search first: MGI, RGD, ZFIN, FlyBase, WormBase, IMSR, EMMA, MMRRC

Citation Requirements

  • Cite primary literature (PMID preferred) for all mechanistic and clinical claims
  • Prioritize recent reviews and landmark papers
  • Include direct quotes from abstracts where possible to support key statements
  • Distinguish evidence source types: human clinical, model organism, in vitro, computational

Output Format

Structure your response as a comprehensive narrative organized by the sections above. For each section, provide: - Factual content with specific details (numbers, percentages, gene names, variant nomenclature) - Ontology term suggestions (HPO, GO, CL, UBERON, CHEBI, MAXO, MONDO) where applicable - Evidence citations with PMIDs - Direct quotes from abstracts to support key claims - Clear indication when information is not available or not applicable for this disease

This report will be used to populate a disease knowledge base entry with: - Pathophysiology descriptions with causal chains - Gene/protein annotations (HGNC, GO terms) - Phenotype associations (HP terms) with frequencies - Cell type involvement (CL terms) - Anatomical locations (UBERON terms) - Chemical entities (CHEBI terms) - Treatment annotations (MAXO terms) - Evidence items with PMIDs and exact abstract quotes - Epidemiology, prognosis, diagnostic, and prevention information - Animal model descriptions with phenotype recapitulation details

Comprehensive Disease Characteristics Research Report: 46,XX Gonadal Dysgenesis

Target disease

Disease name: 46,XX gonadal dysgenesis (also referred to in the literature as 46,XX gonadal dysgenesis, 46,XX ovarian dysgenesis, XX gonadal dysgenesis (XX-GD), XX ovarian dysgenesis, and sometimes discussed on a spectrum with primary ovarian insufficiency (POI) when presenting as primary amenorrhea with hypergonadotropic hypogonadism). (weinbergshukron2015amutationin pages 1-2, zangen2011xxovariandysgenesis pages 1-2, martin2020clinicalandmolecular pages 63-66)

Category: Mendelian (genetically heterogeneous; both recessive and dominant mechanisms reported; some X-linked). (weinbergshukron2015amutationin pages 1-2, zangen2011xxovariandysgenesis pages 1-2, luppino2024roleofnr5a1 pages 7-8, yatsenko2024primaryamenorrheaand pages 16-17)

MONDO / OMIM / Orphanet / ICD / MeSH identifiers: Not reliably extractable from the currently retrieved full-text evidence set using the available tools; the report below is grounded in primary literature and recent reviews that explicitly define the condition and its genetics. (weinbergshukron2015amutationin pages 1-2, zangen2011xxovariandysgenesis pages 1-2)

Evidence provenance note: The content below is primarily derived from aggregated literature sources (peer‑reviewed reviews and primary research), not from EHRs. (abalı2024diagnosisandmanagement pages 1-2, grouthier2024longtermoutcomesin pages 2-3)


1. Disease information

1.1 Concise overview (current understanding)

46,XX gonadal dysgenesis is a disorder of ovarian development and/or function in individuals with a 46,XX karyotype, typically characterized by lack of spontaneous pubertal development, primary amenorrhea, uterine hypoplasia, and hypergonadotropic hypogonadism (elevated gonadotropins with gonadal failure). (weinbergshukron2015amutationin pages 1-2, zangen2011xxovariandysgenesis pages 1-2)

A widely cited clinical framing is that affected individuals present in adolescence with failure of pubertal progression (e.g., minimal breast development), primary amenorrhea, low estrogen, and markedly elevated FSH/LH due to loss of ovarian negative feedback. (weinbergshukron2015amutationin pages 1-2, martin2020clinicalandmolecular pages 63-66)

1.2 Key synonyms / alternative names

  • XX gonadal dysgenesis (XX-GD) (weinbergshukron2015amutationin pages 1-2, zangen2011xxovariandysgenesis pages 1-2)
  • XX ovarian dysgenesis (zangen2011xxovariandysgenesis pages 1-2)
  • 46,XX ovarian dysgenesis (zangen2011xxovariandysgenesis pages 1-2)
  • 46,XX pure gonadal dysgenesis (used in some clinical discussions/case‑based literature on the POI/ovarian dysgenesis spectrum). (cattoni2020thepotentialsynergic pages 1-2)

2. Etiology

2.1 Primary causal factors

Primary cause is genetic, involving defects in pathways of ovarian determination, follicle formation/maintenance, gonadotropin signaling, and/or meiosis/DNA repair. (weinbergshukron2015amutationin pages 1-2, zangen2011xxovariandysgenesis pages 1-2, yatsenko2024primaryamenorrheaand pages 16-17)

Key mechanistic gene categories emphasized by primary studies and recent reviews: - Gonadotropin signaling / receptor resistance: e.g., FSHR loss-of-function leading to FSH resistance and hypergonadotropic ovarian failure. (martin2020clinicalandmolecular pages 63-66) - Meiosis and recombination / follicle pool establishment: e.g., PSMC3IP (HOP2) and NUP107. (zangen2011xxovariandysgenesis pages 1-2, weinbergshukron2015amutationin pages 1-2) - Ovarian developmental transcriptional regulators and maintenance factors: e.g., NR5A1, FIGLA, NOBOX, FOXL2, and pro‑ovarian pathway genes such as WNT4/RSPO1 (reported in the XX‑GD genetic landscape). (luppino2024roleofnr5a1 pages 7-8, cattoni2020thepotentialsynergic pages 1-2, weinbergshukron2015amutationin pages 1-2, zangen2011xxovariandysgenesis pages 1-2, abalı2024diagnosisandmanagement pages 6-7)

2.2 Risk factors

Because 46,XX gonadal dysgenesis is primarily genetic, “risk” is largely determined by family history and carrier status (depending on inheritance). (zangen2011xxovariandysgenesis pages 1-2, weinbergshukron2015amutationin pages 1-2)

The broader POI literature provides population-level context: non‑iatrogenic POI has estimated prevalence increasing with age (approx. 1:10,000 before age 20; 1:1,000 before age 30; 1:100 before age 40), with chromosomal abnormalities accounting for about ~9% in one synthesis. (cattoni2020thepotentialsynergic pages 1-2)

2.3 Protective factors / gene–environment interactions

No specific protective factors or gene–environment interactions were identified in the retrieved evidence set for 46,XX gonadal dysgenesis specifically; broader POI literature emphasizes multifactorial contributions in many cases, but XX‑GD itself is often described as Mendelian and rare. (zangen2011xxovariandysgenesis pages 1-2, cattoni2020thepotentialsynergic pages 1-2)


3. Phenotypes

3.1 Core phenotype (human clinical)

Hallmark phenotype constellation: - Absent or incomplete puberty / lack of spontaneous pubertal development (symptom/sign). (weinbergshukron2015amutationin pages 1-2, zangen2011xxovariandysgenesis pages 1-2) - Primary amenorrhea (symptom). (weinbergshukron2015amutationin pages 1-2, zangen2011xxovariandysgenesis pages 1-2) - Hypergonadotropic hypogonadism (laboratory abnormality): very high gonadotropins (FSH/LH) with ovarian failure. (weinbergshukron2015amutationin pages 1-2, zangen2011xxovariandysgenesis pages 1-2, martin2020clinicalandmolecular pages 63-66) - Uterine hypoplasia (anatomical finding), and ovaries may be not visualized on ultrasound/MRI in some cases. (weinbergshukron2015amutationin pages 1-2, zangen2011xxovariandysgenesis pages 1-2)

Quantitative example (from NUP107-associated XX-GD): LH reported in the range 38–60 IU/L and FSH 50–92 IU/L in affected individuals; an example proband had LH 52 IU/L and FSH 87 IU/L; uterus ~4 cm and ovaries not visualized on imaging. (weinbergshukron2015amutationin pages 1-2)

3.2 Phenotype characteristics

  • Age of onset: typically adolescence, presenting as absent/delayed puberty and primary amenorrhea. (weinbergshukron2015amutationin pages 1-2, martin2020clinicalandmolecular pages 63-66)
  • Severity: ranges from complete ovarian dysgenesis (no pubertal development) to milder POI spectrum with partial residual function; XX‑GD is described as a severe end of ovarian insufficiency spectrum. (zangen2011xxovariandysgenesis pages 1-2, cattoni2020thepotentialsynergic pages 1-2)
  • Progression/course: usually chronic/lifelong hypogonadism unless treated hormonally; fertility is typically severely impaired. (grouthier2024longtermoutcomesin pages 2-3, cattoni2020thepotentialsynergic pages 1-2)

3.3 Suggested HPO terms (non-exhaustive)

Based on the phenotype descriptions in primary papers and reviews: - Primary amenorrhea (HPO: HP:0000786) (weinbergshukron2015amutationin pages 1-2, zangen2011xxovariandysgenesis pages 1-2) - Delayed puberty (HP:0000821) / Absent puberty (HP:0000875) (weinbergshukron2015amutationin pages 1-2, zangen2011xxovariandysgenesis pages 1-2) - Hypergonadotropic hypogonadism (HP:0000044) (weinbergshukron2015amutationin pages 1-2, zangen2011xxovariandysgenesis pages 1-2) - Uterine hypoplasia (HP:0000130) (weinbergshukron2015amutationin pages 1-2, zangen2011xxovariandysgenesis pages 1-2) - Streak gonads (often described in XX‑GD clinical definitions; map to gonadal dysgenesis concept; HPO frequently used: Gonadal dysgenesis HP:0000130?—note: exact HPO term IDs should be verified in an ontology browser; the concept is directly described in-source). (zangen2011xxovariandysgenesis pages 1-2)

3.4 Quality of life impact

For the broader non‑CAH 46,XX DSD group (which includes XX gonadal dysgenesis and monogenic POI), long‑term quality of life data are emphasized as sparse: “data … remain scarce” and adult QoL assessment is noted as lacking accurate data in this rare group. (grouthier2024longtermoutcomesin pages 2-3)


4. Genetic / molecular information

4.1 Causal genes (high-confidence examples from primary literature)

The genetic architecture is heterogeneous. Primary studies provide strong evidence for Mendelian forms including: - NUP107 (AR): recessive missense mutation segregating with XX‑GD; functional model (Drosophila) supports ovarian developmental requirement. (weinbergshukron2015amutationin pages 1-2) - PSMC3IP/HOP2 (AR): homozygous deletion; functional assays show loss of estrogen-driven transcriptional coactivation. (zangen2011xxovariandysgenesis pages 1-2) - FSHR (AR): rare; WES-identified homozygous missense variant with demonstrated membrane trafficking/signaling impairment in vitro and hypergonadotropic amenorrhea in affected sisters. (martin2020clinicalandmolecular pages 63-66)

Recent reviews further emphasize additional implicated genes and pathways (often overlapping with POI genetics) including NR5A1, FIGLA, NOBOX, FOXL2, BMP15, and pro‑ovarian pathway regulators (e.g., WNT4/RSPO1) in the ovarian dysgenesis/POI spectrum. (luppino2024roleofnr5a1 pages 7-8, yatsenko2024primaryamenorrheaand pages 16-17, zangen2011xxovariandysgenesis pages 1-2)

4.2 Pathogenic variants and functional consequences (examples)

  • FSHR p.Asp408Tyr (c.1222G>T) in two affected sisters (homozygous): flow cytometry showed ~48% reduction in cell-surface receptor signal and ~50% reduction in FSH-stimulated cAMP signal in mutant‑transfected cells, consistent with impaired signaling/trafficking. (martin2020clinicalandmolecular pages 63-66)
  • PSMC3IP p.Glu201del (homozygous 3-bp deletion): functional assays showed the mutation “abolished PSMC3IP activation of estrogen-driven transcription”, supporting a loss‑of‑function mechanism. (zangen2011xxovariandysgenesis pages 1-2)
  • NUP107 p.D447N (homozygous missense): functional studies in Drosophila showed female sterility when Nup107 was knocked down in somatic gonadal cells, and the human-corresponding mutant allele led to near‑complete sterility and ovarian/egg chamber defects. (weinbergshukron2015amutationin pages 1-2)

4.3 Inheritance patterns (summary)

  • Autosomal recessive inheritance is emphasized for several severe XX‑GD genes (e.g., NUP107, PSMC3IP, FSHR) and is suggested to account for a substantial portion of unexplained severe cases in some families/consanguinity settings. (weinbergshukron2015amutationin pages 1-2, zangen2011xxovariandysgenesis pages 1-2, martin2020clinicalandmolecular pages 63-66)
  • Autosomal dominant / heterozygous contributions are relevant particularly for POI-spectrum genes such as NR5A1, with reported pathogenic variants in 0.26%–8% of sporadic POI in different studies and 2.8% in a cohort of 142 women with ovarian deficiency/diminished ovarian reserve/unexplained infertility. (luppino2024roleofnr5a1 pages 7-8)
  • X-linked inheritance is noted for some genes implicated in ovarian failure/POI such as BMP15 (summarized as X‑linked recessive in XX‑GD landscape discussions). (weinbergshukron2015amutationin pages 1-2)

4.4 Oligogenic / modifier models

A 2020 case report proposed that the severe phenotype (complete ovarian dysgenesis) could reflect a synergic detrimental effect of inherited variants across FIGLA, NOBOX, and NR5A1, with relatives carrying subsets showing variable residual ovarian function. (cattoni2020thepotentialsynergic pages 1-2)

A broader 2023 review discusses oligogenic inheritance in DSD and highlights the challenges of interpreting combined variants; although this is not limited to XX‑GD, it supports the plausibility of multi‑hit models in sex development disorders. (stancampiano202446xxdifferencesof pages 4-5)


5. Environmental information

No specific environmental/lifestyle/infectious causal factors were identified for 46,XX gonadal dysgenesis in the retrieved evidence set; the condition is presented as primarily genetic. (weinbergshukron2015amutationin pages 1-2, zangen2011xxovariandysgenesis pages 1-2)


6. Mechanism / pathophysiology

6.1 Causal chain (from gene defect to phenotype)

A simplified mechanistic chain consistent with primary genetic examples: 1. Primary genetic defect (e.g., meiotic recombination factor PSMC3IP, nucleoporin NUP107, or receptor FSHR). (zangen2011xxovariandysgenesis pages 1-2, weinbergshukron2015amutationin pages 1-2, martin2020clinicalandmolecular pages 63-66) 2. Failure of follicle pool establishment/maintenance or gonadotropin response, leading to severely reduced ovarian steroidogenesis. (zangen2011xxovariandysgenesis pages 1-2, martin2020clinicalandmolecular pages 63-66) 3. Low estrogen → loss of negative feedback on hypothalamic-pituitary axis → elevated FSH/LH (hypergonadotropic hypogonadism). (weinbergshukron2015amutationin pages 1-2, zangen2011xxovariandysgenesis pages 1-2, martin2020clinicalandmolecular pages 63-66) 4. Absent/delayed puberty and primary amenorrhea; uterine hypoplasia likely reflects hypoestrogenism during puberty. (weinbergshukron2015amutationin pages 1-2, zangen2011xxovariandysgenesis pages 1-2)

6.2 Ovarian determination pathway concepts (pro‑ovarian vs pro‑testis)

A 2024 non‑CAH 46,XX DSD management review describes that WNT4 and RSPO1 stabilize β‑catenin (CTNNB1), and that in the 46,XX gonad, WNT/RSPO1/CTNNB1/FOXL2/FST promote ovarian development while suppressing testicular pathways (including inhibition of SOX9/FGF9). (abalı2024diagnosisandmanagement pages 6-7)

6.3 Suggested ontology terms

GO biological process (suggested, to be verified in GO): - gonad development; ovarian follicle development; meiotic cell cycle; steroid hormone biosynthetic process; regulation of transcription by nuclear receptor. (zangen2011xxovariandysgenesis pages 1-2, weinbergshukron2015amutationin pages 1-2, luppino2024roleofnr5a1 pages 7-8)

Cell Ontology (CL) likely relevant cell types (suggested): - granulosa cell; theca cell; oocyte; ovarian stromal cells; pituitary gonadotrophs (downstream endocrine response). (abalı2024diagnosisandmanagement pages 6-7, zangen2011xxovariandysgenesis pages 1-2)

UBERON (anatomy) (suggested): - ovary; uterus; hypothalamus; anterior pituitary gland. (weinbergshukron2015amutationin pages 1-2, zangen2011xxovariandysgenesis pages 1-2)


7. Anatomical structures affected

  • Primary organs: ovaries/gonads (dysgenetic or absent follicular function). (zangen2011xxovariandysgenesis pages 1-2, weinbergshukron2015amutationin pages 1-2)
  • Secondary/related structures: uterus is often hypoplastic (likely secondary to hypoestrogenism). (weinbergshukron2015amutationin pages 1-2, zangen2011xxovariandysgenesis pages 1-2)
  • Systems: endocrine/reproductive axis (hypothalamic–pituitary–gonadal). (martin2020clinicalandmolecular pages 63-66)

8. Temporal development

  • Typical detection: adolescence (evaluation for absent puberty/primary amenorrhea). (weinbergshukron2015amutationin pages 1-2, martin2020clinicalandmolecular pages 63-66)
  • Course: persistent ovarian failure without intervention; POI spectrum may have variable residual function in some genetic contexts. (zangen2011xxovariandysgenesis pages 1-2, cattoni2020thepotentialsynergic pages 1-2)

9. Inheritance and population

9.1 Epidemiology

Direct prevalence/incidence of 46,XX gonadal dysgenesis specifically was not provided in the retrieved evidence set.

However, adjacent epidemiologic context from related 46,XX DSD conditions: - 46,XX testicular DSD prevalence estimated ~1:20,000, and ~90% are due to SRY translocation (contextual, not XX‑GD). (stancampiano202446xxdifferencesof pages 4-5) - For men with non‑CAH 46,XX DSD in Denmark, national estimate 3.5–4.7 per 100,000 (contextual, reflects XX male/testicular/ovotesticular DSD and related entities rather than ovarian dysgenesis). (grouthier2024longtermoutcomesin pages 2-3)

For POI (broader umbrella that includes ovarian dysgenesis presentations), one case-based synthesis reports age‑stratified prevalence (1:10,000 before 20; 1:1,000 before 30; 1:100 before 40). (cattoni2020thepotentialsynergic pages 1-2)

9.2 Inheritance

  • AR inheritance is supported by multiple severe XX‑GD genes (NUP107, PSMC3IP, FSHR). (weinbergshukron2015amutationin pages 1-2, zangen2011xxovariandysgenesis pages 1-2, martin2020clinicalandmolecular pages 63-66)
  • AD/heterozygous contribution is supported for NR5A1-related POI and gonadal development disorders. (luppino2024roleofnr5a1 pages 7-8)
  • X-linked is noted for BMP15 in the XX‑GD landscape. (weinbergshukron2015amutationin pages 1-2)

10. Diagnostics

10.1 Clinical presentation prompting workup

  • Primary amenorrhea with absent/delayed puberty and hypergonadotropic pattern. (weinbergshukron2015amutationin pages 1-2, martin2020clinicalandmolecular pages 63-66)

10.2 Core laboratory evaluation (supported)

  • Gonadotropins: FSH and LH are elevated (hypergonadotropic hypogonadism). (weinbergshukron2015amutationin pages 1-2, zangen2011xxovariandysgenesis pages 1-2, martin2020clinicalandmolecular pages 63-66)
  • Sex steroids: low estrogen is implied/typical in XX‑GD definitions. (zangen2011xxovariandysgenesis pages 1-2)

10.3 Imaging and anatomic evaluation (supported)

  • Pelvic ultrasound and/or MRI often show uterine hypoplasia and may show ovaries not visualized in severe cases. (weinbergshukron2015amutationin pages 1-2, zangen2011xxovariandysgenesis pages 1-2)

10.4 Genetic testing strategy (current implementation trend)

A 2023 clinical approach review for DSD emphasizes that increased availability of next‑generation sequencing has led to recommendations for earlier integration of genetic testing into DSD diagnostic pathways and highlights that establishing a molecular diagnosis can affect individualized management and monitoring. (stancampiano202446xxdifferencesof pages 4-5)

For DSD workups more broadly, a 2021 prospective series used a stepwise genetic protocol including karyotype + SRY testing, followed by targeted gene testing for common etiologies, chromosomal microarray, and NGS panels, with yields varying by technique. (nistal2015perspectivesinpediatric pages 15-16)

For suspected XX‑GD/ovarian dysgenesis, high‑confidence Mendelian diagnoses have been achieved using homozygosity mapping + WES (PSMC3IP) and WES with functional validation (FSHR). (zangen2011xxovariandysgenesis pages 1-2, martin2020clinicalandmolecular pages 63-66)

10.5 Differential diagnosis (contextual)

In primary amenorrhea, XX‑GD/ovarian dysgenesis must be distinguished from other major causes such as Müllerian agenesis (MRKH), central (hypogonadotropic) causes, and other DSDs; the key distinguishing laboratory feature for ovarian dysgenesis is typically hypergonadotropic hypogonadism. (martin2020clinicalandmolecular pages 63-66)


11. Outcomes / prognosis

11.1 Fertility

Fertility is typically severely impaired in non‑CAH 46,XX DSD overall, and for ovarian dysgenesis specifically, ovarian function is absent or markedly reduced. (grouthier2024longtermoutcomesin pages 2-3, zangen2011xxovariandysgenesis pages 1-2)

11.2 Long-term health outcomes and QoL (what is known vs unknown)

A 2024 review on long-term outcomes in non‑CAH 46,XX DSD highlights that long‑term follow-up data are scarce, with limited adult QoL data, and emphasizes needs in bone/cardiometabolic monitoring, cancer risk, and mortality assessment. (grouthier2024longtermoutcomesin pages 2-3)

For POI more broadly, clinical impact includes fertility, psychological/sexual quality of life, and long-term bone/cardiovascular health consequences of hypoestrogenism; this context is emphasized in a 2020 report framing POI diagnostic criteria and prevalence. (cattoni2020thepotentialsynergic pages 1-2)


12. Treatment

12.1 Core management principles (evidence-supported high level)

Because the core endocrine defect is ovarian estrogen deficiency with hypergonadotropic hypogonadism, treatment typically involves: - Sex hormone replacement to induce/maintain secondary sexual development and mitigate hypoestrogenism sequelae (supported as a key management topic in 46,XX DSD reviews; specific regimens not detailed in the retrieved excerpt-level evidence). (grouthier2024longtermoutcomesin pages 2-3, stancampiano202446xxdifferencesof pages 4-5) - Fertility counseling and consideration of fertility preservation approaches where applicable; fertility is generally impaired in non‑CAH 46,XX DSD. (grouthier2024longtermoutcomesin pages 2-3)

12.2 Experimental / clinical trial activity (real-world implementation)

ClinicalTrials.gov NCT06518746 (University of Colorado, Denver; interventional pilot; posted as 2021 record) evaluates gonadal tissue cryopreservation in patients with gonadal dysgenesis/DSD undergoing clinically indicated gonadectomy or at risk of POI. The study processes gonadal tissue removed at surgery, histologically examines it, and cryopreserves tissue if viable germ cells are present and no tumor is found; outcomes include sample viability and adverse events. (NCT06518746 chunk 1, NCT06518746 chunk 2)

12.3 Suggested MAXO terms (non-exhaustive; to be verified)

  • Hormone replacement therapy (MAXO concept) (grouthier2024longtermoutcomesin pages 2-3)
  • Fertility preservation procedure / cryopreservation of gonadal tissue (MAXO concept; aligned with NCT06518746 intervention). (NCT06518746 chunk 1)
  • Genetic counseling (MAXO concept). (stancampiano202446xxdifferencesof pages 4-5)

13. Prevention

Primary prevention of Mendelian XX‑GD is not generally feasible, but secondary/tertiary prevention focuses on: - Genetic counseling and family-based risk assessment, particularly for recessive forms in consanguineous families. (zangen2011xxovariandysgenesis pages 1-2, weinbergshukron2015amutationin pages 1-2) - Consideration of early molecular diagnosis to guide individualized monitoring and management planning in DSD conditions. (stancampiano202446xxdifferencesof pages 4-5)


14. Other species / natural disease

A specific naturally occurring veterinary analog was not identified in the retrieved evidence set. However, the NUP107 study provides direct functional evidence in Drosophila that Nup107 is required in somatic gonadal cells for female fertility, supporting evolutionary conservation of aspects of ovarian development mechanisms. (weinbergshukron2015amutationin pages 1-2)


15. Model organisms

  • Drosophila model (functional genomics): Nup107 knockdown in somatic gonadal cells causes female sterility, and the human-corresponding mutant allele leads to near complete sterility and ovarian/egg chamber defects, supporting NUP107 causality in XX‑GD. (weinbergshukron2015amutationin pages 1-2)
  • Cell models (in vitro): FSHR mutant functional testing in HEK293T cells and quantitative flow cytometry demonstrates impaired receptor surface localization and signaling (cAMP response), supporting pathogenicity. (martin2020clinicalandmolecular pages 63-66)

Recent developments and 2023–2024 highlights (prioritized)

  1. Expanded and clinically oriented reviews for non‑CAH 46,XX DSD (2024): Multiple Frontiers in Endocrinology reviews synthesize etiology, diagnostic and management challenges, and long-term outcomes, emphasizing rarity and limited adult outcome datasets. (abalı2024diagnosisandmanagement pages 1-2, grouthier2024longtermoutcomesin pages 2-3)
  2. Updated gene/pathway framing (2024): Reviews emphasize gene networks in ovarian determination and maintenance (WNT4/RSPO1/β‑catenin/FOXL2), and highlight ongoing uncertainty about genotype–phenotype correlation in DSD. (abalı2024diagnosisandmanagement pages 6-7)
  3. NR5A1 relevance to ovarian dysfunction (2024): A 2024 review summarizes reported frequencies of NR5A1 variants in POI-related cohorts and reinforces that NR5A1 contributes to ovarian failure phenotypes (amenorrhea, elevated gonadotropins, infertility) and may warrant early genetic testing and fertility considerations. (luppino2024roleofnr5a1 pages 7-8)
  4. Long-term outcome knowledge gaps (2024): Long-term data for non‑CAH 46,XX DSD (including XX gonadal dysgenesis/POI) remain sparse, motivating multicenter longitudinal follow-up studies. (grouthier2024longtermoutcomesin pages 2-3)

Key abstract-supported quotes (verbatim excerpts available in retrieved text)

  • FSHR-WES study (Human Reproduction 2016) states: “FSHR mutations are an extremely rare cause of 46, XX gonadal dysgenesis with primary amenorrhea due to hypergonadotropic ovarian failure.” (martin2020clinicalandmolecular pages 63-66)
  • PSMC3IP (Am J Hum Genet 2011) functional conclusion: mutation “abolished PSMC3IP activation of estrogen-driven transcription.” (zangen2011xxovariandysgenesis pages 1-2)

Visual evidence (extracted tables/figures)

Gene/phenotype tables relevant to 46,XX DSD etiologies (including gonadal dysgenesis/POI context) were extracted from Stancampiano et al. 2024 (Frontiers in Endocrinology). (stancampiano202446xxdifferencesof media 3d672b2a, stancampiano202446xxdifferencesof media 5ebb60ba, stancampiano202446xxdifferencesof media 7a210e9a)


Structured gene summary artifact

The following table compiles the principal evidence-supported genetic etiologies and quantitative data points relevant to 46,XX gonadal dysgenesis / XX ovarian dysgenesis and closely related POI presentations:

Gene (HGNC symbol) Typical inheritance pattern (AR/AD/X-linked or reported) Molecular mechanism Key clinical features Key study evidence Key quantitative data URL
NUP107 Autosomal recessive / recessive reported Missense loss of function affecting nucleoporin function; ovarian development defect supported by functional model data 46,XX gonadal dysgenesis with lack of spontaneous pubertal development, primary amenorrhea, uterine hypoplasia, hypergonadotropic hypogonadism; ovaries not visualized on imaging in reported cases (weinbergshukron2015amutationin pages 1-2) Weinberg-Shukron 2015, J Clin Invest (weinbergshukron2015amutationin pages 1-2) Example values reported: LH 38–60 IU/L, FSH 50–92 IU/L; variant absent from databases and 150 ethnically matched controls (weinbergshukron2015amutationin pages 1-2) https://doi.org/10.1172/JCI83553
PSMC3IP (HOP2) Often autosomal recessive / often AR in unexplained XX-GD families Loss of function; meiotic recombination defect and abolished coactivation of estrogen-driven transcription Rare 46,XX gonadal dysgenesis with absent spontaneous puberty, primary amenorrhea, uterine hypoplasia, streak gonads, hypergonadotropic hypogonadism (zangen2011xxovariandysgenesis pages 1-2) Zangen 2011, Am J Hum Genet (zangen2011xxovariandysgenesis pages 1-2) Homozygous 3-bp deletion p.Glu201del identified in consanguineous family; functional assay showed mutation abolished estrogen-driven transcriptional coactivation (zangen2011xxovariandysgenesis pages 1-2) https://doi.org/10.1016/j.ajhg.2011.09.006
FSHR Autosomal recessive / AR reported Receptor resistance / inactivating loss of function in FSH signaling Primary amenorrhea due to hypergonadotropic ovarian failure; 46,XX gonadal dysgenesis / ovarian dysgenesis phenotype with absent puberty or delayed puberty and high gonadotropins (weinbergshukron2015amutationin pages 1-2, martin2020clinicalandmolecular pages 63-66) Bramble 2016, Hum Reprod; cited in reviews of XX-GD/amenorrhea (weinbergshukron2015amutationin pages 1-2, martin2020clinicalandmolecular pages 63-66) Described as an “extremely rare” cause; novel p.Asp408Tyr showed ~48% reduction in cell-surface signal and ~50% reduction in FSH-stimulated cAMP (martin2020clinicalandmolecular pages 63-66) https://doi.org/10.1093/humrep/dew025
BMP15 X-linked recessive reported; heterozygous and homozygous variants reported Oocyte-derived growth factor dysfunction / impaired ovarian growth and maturation Hypergonadotropic ovarian failure; ovarian dysgenesis/POI with primary amenorrhea possible, including severe ovarian dysgenesis phenotypes (weinbergshukron2015amutationin pages 1-2, yatsenko2024primaryamenorrheaand pages 16-17) Di Pasquale 2004, Am J Hum Genet; summarized in later reviews (weinbergshukron2015amutationin pages 1-2, yatsenko2024primaryamenorrheaand pages 16-17) Ovarian dysgenesis accounts for about half of primary amenorrhea cases in older review context; BMP15 variants reported in 1.5%–15% of POI in review summary (yatsenko2024primaryamenorrheaand pages 16-17) https://doi.org/10.1086/422103
NR5A1 Heterozygous variants reported; AD/reported Loss of function affecting ovarian steroidogenic/gonadal developmental transcriptional regulation POI or 46,XX DSD with primary or secondary amenorrhea, estrogen deficiency, elevated gonadotropins, infertility; can overlap with ovarian dysgenesis spectrum (luppino2024roleofnr5a1 pages 7-8) Luppino 2024, Curr Issues Mol Biol; Jaillard 2020, Maturitas summarized therein (luppino2024roleofnr5a1 pages 7-8) NR5A1 variants found in 2.8% of 142 women with ovarian deficiency/DOR/unexplained infertility; pathogenic variants reported in 0.26%–8% of sporadic POI (luppino2024roleofnr5a1 pages 7-8) https://doi.org/10.3390/cimb46050274
FIGLA Reported; autosomal recessive possible in some families, but not specified here Transcription factor defect in ovarian maturation / folliculogenesis Ovarian dysgenesis or POI spectrum with primary amenorrhea and reduced/absent ovarian function (martin2020clinicalandmolecular pages 63-66, cattoni2020thepotentialsynergic pages 1-2, yatsenko2024primaryamenorrheaand pages 16-17) Cattoni 2020, Front Endocrinol; review summaries (martin2020clinicalandmolecular pages 63-66, cattoni2020thepotentialsynergic pages 1-2, yatsenko2024primaryamenorrheaand pages 16-17) FIGLA variants found in 4% of one Chinese sporadic POI series (martin2020clinicalandmolecular pages 63-66) https://doi.org/10.3389/fendo.2020.540683
NOBOX Reported; autosomal recessive possible in some families, but not specified here Loss of function in ovarian developmental transcription factor Ovarian dysgenesis/POI with primary amenorrhea possible; impaired ovarian function spectrum (martin2020clinicalandmolecular pages 63-66, cattoni2020thepotentialsynergic pages 1-2, yatsenko2024primaryamenorrheaand pages 16-17) Cattoni 2020, Front Endocrinol; review summaries (martin2020clinicalandmolecular pages 63-66, cattoni2020thepotentialsynergic pages 1-2, yatsenko2024primaryamenorrheaand pages 16-17) Loss-of-function NOBOX variants accounted for 6.2%, 6.5%, and 5.6% in three POI cohorts (martin2020clinicalandmolecular pages 63-66) https://doi.org/10.3389/fendo.2020.540683
FOXL2 Autosomal dominant in BPES syndromic context; heterozygous and homozygous variants reported in ovarian dysgenesis/POI Transcription factor dysfunction affecting granulosa/overy maintenance Ovarian dysgenesis/POI with delayed puberty, primary amenorrhea, or POI; can be syndromic (BPES) or isolated ovarian insufficiency (yatsenko2024primaryamenorrheaand pages 16-17) Yatsenko 2024, Endocrinol Metab Clin N Am; Luo 2023, J Ovarian Res summarized in gathered evidence (yatsenko2024primaryamenorrheaand pages 16-17) In 500 POI patients, FOXL2 had the highest occurrence frequency at 3.2% (16/500); p.R349G accounted for 2.6% in that cohort (yatsenko2024primaryamenorrheaand pages 16-17) https://doi.org/10.1016/j.ecl.2024.01.009
WNT4 Not specified in gathered evidence Pro-ovarian developmental pathway defect / ovarian determination Included among known causes or candidate genes for XX-GD/ovarian development disorders; detailed XX-GD phenotype specifics not provided in gathered evidence (weinbergshukron2015amutationin pages 1-2, zangen2011xxovariandysgenesis pages 1-2) Summarized in Weinberg-Shukron 2015, J Clin Invest and Zangen 2011, Am J Hum Genet (weinbergshukron2015amutationin pages 1-2, zangen2011xxovariandysgenesis pages 1-2) Not specified https://doi.org/10.1172/JCI83553
RSPO1 Not specified in gathered evidence Pro-ovarian developmental pathway defect / ovarian determination Included among genes implicated in ovarian development disorders and 46,XX gonadal development pathways; detailed pure XX-GD quantitative data not specified here (weinbergshukron2015amutationin pages 1-2, zangen2011xxovariandysgenesis pages 1-2) Summarized in Weinberg-Shukron 2015, J Clin Invest and Zangen 2011, Am J Hum Genet (weinbergshukron2015amutationin pages 1-2, zangen2011xxovariandysgenesis pages 1-2) Not specified https://doi.org/10.1172/JCI83553

Table: This table summarizes evidence-supported genes implicated in 46,XX gonadal dysgenesis / XX ovarian dysgenesis and closely related primary ovarian insufficiency presenting with primary amenorrhea. It highlights inheritance, mechanisms, hallmark phenotypes, and key quantitative findings to support disease knowledge base curation.


References (URLs and dates)

The citations embedded above include publication year/month and URLs where available, notably: - Stancampiano et al., 2024-05, Frontiers in Endocrinology. https://doi.org/10.3389/fendo.2024.1402579 (stancampiano202446xxdifferencesof pages 4-5) - Abalı & Guran, 2024-05, Frontiers in Endocrinology. https://doi.org/10.3389/fendo.2024.1354759 (abalı2024diagnosisandmanagement pages 1-2, abalı2024diagnosisandmanagement pages 6-7) - Grouthier & Bachelot, 2024-04, Frontiers in Endocrinology. https://doi.org/10.3389/fendo.2024.1372887 (grouthier2024longtermoutcomesin pages 2-3) - Luppino et al., 2024-05, Current Issues in Molecular Biology. https://doi.org/10.3390/cimb46050274 (luppino2024roleofnr5a1 pages 7-8) - Yatsenko et al., 2024-06, Endocrinology and Metabolism Clinics of North America. https://doi.org/10.1016/j.ecl.2024.01.009 (yatsenko2024primaryamenorrheaand pages 16-17) - Weinberg‑Shukron et al., 2015-11, J Clin Invest. https://doi.org/10.1172/JCI83553 (weinbergshukron2015amutationin pages 1-2) - Zangen et al., 2011-10, Am J Hum Genet. https://doi.org/10.1016/j.ajhg.2011.09.006 (zangen2011xxovariandysgenesis pages 1-2) - Bramble et al., 2016-02, Human Reproduction. https://doi.org/10.1093/humrep/dew025 (martin2020clinicalandmolecular pages 63-66) - ClinicalTrials.gov NCT06518746 (record year 2021). https://clinicaltrials.gov/study/NCT06518746 (NCT06518746 chunk 1, NCT06518746 chunk 2)

References

  1. (weinbergshukron2015amutationin pages 1-2): Ariella Weinberg-Shukron, Paul Renbaum, Rachel Kalifa, Sharon Zeligson, Ziva Ben-Neriah, Amatzia Dreifuss, Amal Abu-Rayyan, Noa Maatuk, Nilly Fardian, Dina Rekler, Moien Kanaan, Abraham O. Samson, Ephrat Levy-Lahad, Offer Gerlitz, and David Zangen. A mutation in the nucleoporin-107 gene causes xx gonadal dysgenesis. The Journal of clinical investigation, 125 11:4295-304, Nov 2015. URL: https://doi.org/10.1172/jci83553, doi:10.1172/jci83553. This article has 111 citations.

  2. (zangen2011xxovariandysgenesis pages 1-2): David Zangen, Yotam Kaufman, Sharon Zeligson, Shira Perlberg, Hila Fridman, Moein Kanaan, Maha Abdulhadi-Atwan, Abdulsalam Abu Libdeh, Ayal Gussow, Irit Kisslov, Liran Carmel, Paul Renbaum, and Ephrat Levy-Lahad. Xx ovarian dysgenesis is caused by a psmc3ip/hop2 mutation that abolishes coactivation of estrogen-driven transcription. American journal of human genetics, 89 4:572-9, Oct 2011. URL: https://doi.org/10.1016/j.ajhg.2011.09.006, doi:10.1016/j.ajhg.2011.09.006. This article has 140 citations and is from a highest quality peer-reviewed journal.

  3. (martin2020clinicalandmolecular pages 63-66): I Martínez de la Piscina Martín. Clinical and molecular characterization of dsd patients: impact of next generation sequencing in diagnosis. Unknown journal, 2020.

  4. (luppino2024roleofnr5a1 pages 7-8): Giovanni Luppino, Malgorzata Wasniewska, Roberto Coco, Giorgia Pepe, Letteria Anna Morabito, Alessandra Li Pomi, Domenico Corica, and Tommaso Aversa. Role of nr5a1 gene mutations in disorders of sex development: molecular and clinical features. Current Issues in Molecular Biology, 46:4519-4532, May 2024. URL: https://doi.org/10.3390/cimb46050274, doi:10.3390/cimb46050274. This article has 24 citations.

  5. (yatsenko2024primaryamenorrheaand pages 16-17): Svetlana A. Yatsenko, Selma F. Witchel, and Catherine M. Gordon. Primary amenorrhea and premature ovarian insufficiency. Endocrinology and Metabolism Clinics of North America, 53:293-305, Jun 2024. URL: https://doi.org/10.1016/j.ecl.2024.01.009, doi:10.1016/j.ecl.2024.01.009. This article has 22 citations and is from a peer-reviewed journal.

  6. (abalı2024diagnosisandmanagement pages 1-2): Zehra Yavas Abalı and Tulay Guran. Diagnosis and management of non-cah 46,xx disorders/differences in sex development. Frontiers in Endocrinology, May 2024. URL: https://doi.org/10.3389/fendo.2024.1354759, doi:10.3389/fendo.2024.1354759. This article has 11 citations.

  7. (grouthier2024longtermoutcomesin pages 2-3): Virginie Grouthier and Anne Bachelot. Long-term outcomes in non-cah 46,xx dsd. Frontiers in Endocrinology, Apr 2024. URL: https://doi.org/10.3389/fendo.2024.1372887, doi:10.3389/fendo.2024.1372887. This article has 6 citations.

  8. (cattoni2020thepotentialsynergic pages 1-2): Alessandro Cattoni, Alice Spano, Anna Tulone, Annalisa Boneschi, Nicoletta Masera, Silvia Maitz, Anna Maria Di Blasio, Luca Persani, Fabiana Guizzardi, and Raffaella Rossetti. The potential synergic effect of a complex pattern of multiple inherited genetic variants as a pathogenic factor for ovarian dysgenesis: a case report. Frontiers in Endocrinology, Sep 2020. URL: https://doi.org/10.3389/fendo.2020.540683, doi:10.3389/fendo.2020.540683. This article has 11 citations.

  9. (abalı2024diagnosisandmanagement pages 6-7): Zehra Yavas Abalı and Tulay Guran. Diagnosis and management of non-cah 46,xx disorders/differences in sex development. Frontiers in Endocrinology, May 2024. URL: https://doi.org/10.3389/fendo.2024.1354759, doi:10.3389/fendo.2024.1354759. This article has 11 citations.

  10. (stancampiano202446xxdifferencesof pages 4-5): Marianna Rita Stancampiano, Silvia Laura Carla Meroni, Carmen Bucolo, and Gianni Russo. 46,xx differences of sex development outside congenital adrenal hyperplasia: pathogenesis, clinical aspects, puberty, sex hormone replacement therapy and fertility outcomes. Frontiers in Endocrinology, May 2024. URL: https://doi.org/10.3389/fendo.2024.1402579, doi:10.3389/fendo.2024.1402579. This article has 9 citations.

  11. (nistal2015perspectivesinpediatric pages 15-16): Manuel Nistal, Ricardo Paniagua, Pilar González-Peramato, and Miguel Reyes-Múgica. Perspectives in pediatric pathology, chapter 5. gonadal dysgenesis. Pediatric and Developmental Pathology, 18:259-278, Jul 2015. URL: https://doi.org/10.2350/14-04-1471-pb.1, doi:10.2350/14-04-1471-pb.1. This article has 22 citations and is from a peer-reviewed journal.

  12. (NCT06518746 chunk 1): Gonadal Dysgenesis Tissue Cryopreservation for Fertility Preservation. University of Colorado, Denver. 2021. ClinicalTrials.gov Identifier: NCT06518746

  13. (NCT06518746 chunk 2): Gonadal Dysgenesis Tissue Cryopreservation for Fertility Preservation. University of Colorado, Denver. 2021. ClinicalTrials.gov Identifier: NCT06518746

  14. (stancampiano202446xxdifferencesof media 3d672b2a): Marianna Rita Stancampiano, Silvia Laura Carla Meroni, Carmen Bucolo, and Gianni Russo. 46,xx differences of sex development outside congenital adrenal hyperplasia: pathogenesis, clinical aspects, puberty, sex hormone replacement therapy and fertility outcomes. Frontiers in Endocrinology, May 2024. URL: https://doi.org/10.3389/fendo.2024.1402579, doi:10.3389/fendo.2024.1402579. This article has 9 citations.

  15. (stancampiano202446xxdifferencesof media 5ebb60ba): Marianna Rita Stancampiano, Silvia Laura Carla Meroni, Carmen Bucolo, and Gianni Russo. 46,xx differences of sex development outside congenital adrenal hyperplasia: pathogenesis, clinical aspects, puberty, sex hormone replacement therapy and fertility outcomes. Frontiers in Endocrinology, May 2024. URL: https://doi.org/10.3389/fendo.2024.1402579, doi:10.3389/fendo.2024.1402579. This article has 9 citations.

  16. (stancampiano202446xxdifferencesof media 7a210e9a): Marianna Rita Stancampiano, Silvia Laura Carla Meroni, Carmen Bucolo, and Gianni Russo. 46,xx differences of sex development outside congenital adrenal hyperplasia: pathogenesis, clinical aspects, puberty, sex hormone replacement therapy and fertility outcomes. Frontiers in Endocrinology, May 2024. URL: https://doi.org/10.3389/fendo.2024.1402579, doi:10.3389/fendo.2024.1402579. This article has 9 citations.

Artifacts

OpenAI
Summary
gpt-5 8 citations 2026-04-14T05:40:11Z

Summary

MONDO:0009299 provides a dedicated disease-level anchor for 46 XX gonadal dysgenesis. The literature consistently treats this as a rare, genetically heterogeneous ovarian developmental failure state in phenotypically female individuals with a normal 46,XX karyotype, with the core phenotype defined by streak or underdeveloped ovaries, absent spontaneous puberty, primary amenorrhea, uterine hypoplasia, and hypergonadotropic hypogonadism.

Disease-Anchor Decision

  • Anchor chosen: 46 XX gonadal dysgenesis (MONDO:0009299)
  • Why this anchor: the disease has its own MONDO term and multiple primary human papers describe it as a coherent clinical entity rather than only as a phenotype mention inside broader DSD literature.
  • Why not a generic 46,XX DSD bucket: the core disease definition here is ovarian developmental failure with phenotypically female external genitalia, not generic 46,XX sex-development variation such as prenatal androgen excess.
  • Why not lump fully with broader primary ovarian insufficiency: NR5A1 demonstrates overlap with 46,XX primary ovarian insufficiency, but the 46,XX gonadal dysgenesis literature is narrower and emphasizes congenital streak/underdeveloped ovaries, absent spontaneous puberty, and uterine hypoplasia.
  • Why not split into single-gene disorders for this issue: NUP107, PSMC3IP, FSHR, and NR5A1 all support the same disease-level anchor, and the issue explicitly asked for a disease-level dismech entry rather than a single-gene subtype.

Mechanistic Themes

  • Shared proximal theme: disrupted female gonad development.
  • Shared intermediate theme: impaired ovarian hormonal signaling and folliculogenesis.
  • Shared downstream theme: streak or severely underdeveloped ovaries leading to hypoestrogenic hypergonadotropic ovarian failure.

Papers Used for YAML Evidence

PMID Use in YAML Key contribution
23087880 prevalence framing Rare genetically heterogeneous disease framing
26485283 case definition, pathophysiology, phenotypes, genetics Strong disease-definition abstract plus ovarian-development mechanism
21963259 progression, pathophysiology, phenotypes, genetics Streak gonads, estrogenic signaling, follicular-pool mechanism
7553856 pathophysiology, genetics Direct FSHR signaling defect causing ovarian dysgenesis
8855829 pathophysiology, phenotypes Elevated FSH/LH and amenorrhea in mechanistically defined subset
19246354 pathophysiology, genetics Overlap boundary with broader ovarian insufficiency
35142292 treatment Hormone replacement therapy for secondary sexual characteristics and osteoporosis prevention
31809259 PR framing / differential context MRKH misdiagnosis pitfall and estrogen-dependent uterine visualization

Curation Notes

  • Evidence snippets were restricted to exact quoted text from the cached PMID records.
  • The YAML intentionally avoids generic DSD-management statements as primary treatment evidence; management is limited to hormone replacement therapy with direct PMID-backed wording.
  • The YAML intentionally avoids assigning phenotype frequency bands because the available abstracts support association but not robust quantitative frequency.