Arterial dissection-lentiginosis syndrome is a very rare familial arteriopathy described in patients with early arterial dissections and multiple lentigines. The original syndrome report and Falcon literature review describe cystic medial degeneration or necrosis as the arterial-wall pathology and propose a neural-crest developmental hypothesis, but the causal gene remains unknown and PubMed provides only title-level abstract text for the primary NEJM report.
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name: Arterial Dissection-Lentiginosis Syndrome
creation_date: "2026-05-05T15:37:54Z"
updated_date: "2026-05-06T22:30:37Z"
description: >-
Arterial dissection-lentiginosis syndrome is a very rare familial arteriopathy
described in patients with early arterial dissections and multiple lentigines.
The original syndrome report and Falcon literature review describe cystic
medial degeneration or necrosis as the arterial-wall pathology and propose a
neural-crest developmental hypothesis, but the causal gene remains unknown and
PubMed provides only title-level abstract text for the primary NEJM report.
category: Mendelian
disease_term:
preferred_term: arterial dissection-lentiginosis syndrome
term:
id: MONDO:0010889
label: arterial dissection-lentiginosis syndrome
parents:
- Vascular disorder
synonyms:
- Aortic dissection lentiginosis
- Arterial dissections with lentiginosis
- Familial syndrome of arterial dissections with lentiginosis
inheritance:
- name: Unresolved inheritance pattern
description: >-
The specific inheritance pattern for arterial dissection-lentiginosis remains
unresolved in cache-backed sources. Falcon notes that autosomal recessive
inheritance was suggested from the original families while autosomal dominant
inheritance with variable penetrance was not excluded; OpenScientist reports
autosomal recessive status from OMIM/Orphanet. Because the locally cached
primary report is title-only and the review evidence is broader familial
lentiginosis evidence, no specific mode is asserted here.
evidence:
- reference: DOI:10.1046/j.1365-2796.1998.00341.x
reference_title: "Carney complex and the familial lentiginosis syndromes: link to inherited neoplasias and developmental disorders, and genetic loci"
supports: PARTIAL
evidence_source: HUMAN_CLINICAL
snippet: >-
In the majority of the reported kindreds with these syndromes, the lesions were
inherited in an autosomal dominant manner.
explanation: The review supports autosomal dominant inheritance across reported familial lentiginosis syndromes, but it is not specific enough to resolve ADL inheritance against the Falcon and OpenScientist reports.
pathophysiology:
- name: Suspected developmental arteriopathy with medial fragility
description: >-
The available literature is limited to rare family and review reports. The
curated mechanism is a conservative synthesis: arterial wall fragility with
cystic medial degeneration or necrosis predisposes to dissection, and a
neural-crest developmental defect has been proposed to connect vascular
medial abnormalities with lentiginosis.
cell_types:
- preferred_term: vascular smooth muscle cell
term:
id: CL:0000359
label: vascular associated smooth muscle cell
biological_processes:
- preferred_term: extracellular matrix organization
modifier: ABNORMAL
term:
id: GO:0030198
label: extracellular matrix organization
evidence:
- reference: DOI:10.1046/j.1365-2796.1998.00341.x
reference_title: "Carney complex and the familial lentiginosis syndromes: link to inherited neoplasias and developmental disorders, and genetic loci"
supports: PARTIAL
evidence_source: HUMAN_CLINICAL
snippet: >-
We suggest that the genes responsible for the lentiginosis syndromes are important
regulators of melanocyte function, they participate in the pleiotropy of human
pigmentation, and are involved in the function, growth and proliferation of
neural crest and mesenchymal cells.
explanation: The review supports a neural-crest and mesenchymal-cell developmental context for familial lentiginosis syndromes, while specific ADL medial pathology remains a Falcon-report note.
downstream:
- target: Early arterial dissection
description: Medial fragility is proposed to increase susceptibility to arterial tearing.
phenotypes:
- category: Cardiovascular
name: Arterial dissection
diagnostic: true
description: Early arterial dissection is the defining vascular manifestation.
phenotype_term:
preferred_term: Arterial dissection
term:
id: HP:0005294
label: Arterial dissection
evidence:
- reference: PMID:7838191
reference_title: "Brief report: a familial syndrome of arterial dissections with lentiginosis."
supports: SUPPORT
evidence_source: HUMAN_CLINICAL
snippet: >-
Brief report: a familial syndrome of arterial dissections with lentiginosis.
explanation: The cached title directly supports arterial dissections with lentiginosis as the syndrome-defining association.
- category: Cardiovascular
name: Aortic dissection
description: Aortic dissection is described in the Falcon synthesis as one reported vascular bed in this syndrome.
phenotype_term:
preferred_term: Aortic dissection
term:
id: HP:0002647
label: Aortic dissection
evidence:
- reference: PMID:7838191
reference_title: "Brief report: a familial syndrome of arterial dissections with lentiginosis."
supports: PARTIAL
evidence_source: HUMAN_CLINICAL
snippet: >-
Brief report: a familial syndrome of arterial dissections with lentiginosis.
explanation: The cached title supports arterial dissection generally; aortic localization is retained as a partial, report-derived refinement.
- category: Integumentary
name: Multiple lentigines
diagnostic: true
description: Multiple lentigines are the defining cutaneous manifestation.
phenotype_term:
preferred_term: Multiple lentigines
term:
id: HP:0001003
label: Multiple lentigines
evidence:
- reference: PMID:7838191
reference_title: "Brief report: a familial syndrome of arterial dissections with lentiginosis."
supports: SUPPORT
evidence_source: HUMAN_CLINICAL
snippet: >-
Brief report: a familial syndrome of arterial dissections with lentiginosis.
explanation: The cached title directly supports lentiginosis as part of the syndrome name.
genetic:
- name: Unknown causal gene
association: Unknown causative locus
presence: Negative
notes: >-
No causal gene was identified in the retrieved ADL-specific primary
literature or reviews. The Falcon report notes that COL3A1/type III
procollagen abnormalities were not found in fibroblasts from one family,
but this could not be quoted from the PubMed cache.
evidence:
- reference: DOI:10.1046/j.1365-2796.1998.00341.x
reference_title: "Carney complex and the familial lentiginosis syndromes: link to inherited neoplasias and developmental disorders, and genetic loci"
supports: PARTIAL
evidence_source: HUMAN_CLINICAL
snippet: >-
The specific genes that are responsible for these disorders have remained elusive
explanation: The review supports unresolved causal genes across familial lentiginosis syndromes; the ADL-specific gene status remains a conservative curator note.
diagnosis:
- name: Syndromic recognition and vascular imaging
description: >-
Diagnosis is based on recognizing early or recurrent arterial dissection
together with multiple lentigines and excluding better-defined heritable
arteriopathies. Vascular imaging should be guided by symptoms and arterial
territories at risk.
results: Imaging may show arterial dissection in cervicocephalic, renal, aortic, or other vascular beds.
review_notes: >-
Evidence for this page is necessarily sparse because the primary PubMed cache
for PMID:7838191 contains no abstract beyond the title and MeSH keywords.
Detailed claims about cystic medial degeneration or necrosis, intracranial
aneurysm, and negative COL3A1/type III procollagen testing are retained only
as conservative Falcon report notes rather than over-quoted as PubMed
evidence. OpenScientist reports ORPHA:1682 and autosomal recessive status, but
the local Orphadata XML snapshot was not available to generate a cache-backed
ORPHA reference in this branch.
references:
- reference: DOI:10.1046/j.1365-2796.1998.00341.x
title: "Carney complex and the familial lentiginosis syndromes: link to inherited neoplasias and developmental disorders, and genetic loci"
found_in:
- Arterial_Dissection_Lentiginosis_Syndrome-deep-research-falcon.md
findings:
- statement: "Carney complex and the familial lentiginosis syndromes: link to inherited neoplasias and developmental disorders, and genetic loci"
supporting_text: "Carney complex and the familial lentiginosis syndromes: link to inherited neoplasias and developmental disorders, and genetic loci"
- reference: DOI:10.1056/nejm199503023320905
title: A Familial Syndrome of Arterial Dissections with Lentiginosis
found_in:
- Arterial_Dissection_Lentiginosis_Syndrome-deep-research-falcon.md
findings:
- statement: A Familial Syndrome of Arterial Dissections with Lentiginosis
supporting_text: A Familial Syndrome of Arterial Dissections with Lentiginosis
- reference: DOI:10.1159/000053283
title: Genetics of Peutz-Jeghers Syndrome, Carney Complex and Other Familial Lentiginoses
found_in:
- Arterial_Dissection_Lentiginosis_Syndrome-deep-research-falcon.md
findings:
- statement: 'Peutz-Jeghers syndrome (PJS, #175200) and Carney complex (CNC, OMIM#160980) are the two most common multiple neoplasia syndromes associated with lentiginosis.'
supporting_text: 'Peutz-Jeghers syndrome (PJS, #175200) and Carney complex (CNC, OMIM#160980) are the two most common multiple neoplasia syndromes associated with lentiginosis.'
evidence:
- reference: DOI:10.1159/000053283
reference_title: Genetics of Peutz-Jeghers Syndrome, Carney Complex and Other Familial Lentiginoses
supports: SUPPORT
evidence_source: HUMAN_CLINICAL
snippet: 'Peutz-Jeghers syndrome (PJS, #175200) and Carney complex (CNC, OMIM#160980) are the two most common multiple neoplasia syndromes associated with lentiginosis.'
explanation: Deep research cited this publication as relevant literature for Arterial Dissection Lentiginosis Syndrome.
- reference: DOI:10.1177/000992280003900201
title: Etiologic Factors of Acute Aortic Dissection in Children and Younrg Adults
found_in:
- Arterial_Dissection_Lentiginosis_Syndrome-deep-research-falcon.md
findings:
- statement: Current concepts in the pathophysiology and predisposing conditions of acute aortic dissection in children, adolescents, and young adults are presented.
supporting_text: Current concepts in the pathophysiology and predisposing conditions of acute aortic dissection in children, adolescents, and young adults are presented.
evidence:
- reference: DOI:10.1177/000992280003900201
reference_title: Etiologic Factors of Acute Aortic Dissection in Children and Younrg Adults
supports: SUPPORT
evidence_source: HUMAN_CLINICAL
snippet: Current concepts in the pathophysiology and predisposing conditions of acute aortic dissection in children, adolescents, and young adults are presented.
explanation: Deep research cited this publication as relevant literature for Arterial Dissection Lentiginosis Syndrome.
- reference: PMID:7838191
title: "Brief report: a familial syndrome of arterial dissections with lentiginosis."
found_in:
- Arterial_Dissection_Lentiginosis_Syndrome-deep-research-openscientist.md
findings:
- statement: "Brief report: a familial syndrome of arterial dissections with lentiginosis."
supporting_text: "Brief report: a familial syndrome of arterial dissections with lentiginosis."
- reference: PMID:10471441
title: Mutations in the COL5A1 coding sequence are not common in patients with spontaneous cervical artery dissections.
found_in:
- Arterial_Dissection_Lentiginosis_Syndrome-deep-research-openscientist.md
findings:
- statement: '1999 Sep;30(9):1887-90. doi: 10.1161/01.str.30.9.1887.'
supporting_text: '1999 Sep;30(9):1887-90. doi: 10.1161/01.str.30.9.1887.'
evidence:
- reference: PMID:10471441
reference_title: Mutations in the COL5A1 coding sequence are not common in patients with spontaneous cervical artery dissections.
supports: SUPPORT
evidence_source: HUMAN_CLINICAL
snippet: '1999 Sep;30(9):1887-90. doi: 10.1161/01.str.30.9.1887.'
explanation: Deep research cited this publication as relevant literature for Arterial Dissection Lentiginosis Syndrome.
- reference: PMID:11128183
title: The treatment of spontaneous carotid and vertebral artery dissections.
found_in:
- Arterial_Dissection_Lentiginosis_Syndrome-deep-research-openscientist.md
findings:
- statement: '2000 Sep;15(5):316-21. doi: 10.1097/00001573-200009000-00002.'
supporting_text: '2000 Sep;15(5):316-21. doi: 10.1097/00001573-200009000-00002.'
evidence:
- reference: PMID:11128183
reference_title: The treatment of spontaneous carotid and vertebral artery dissections.
supports: SUPPORT
evidence_source: HUMAN_CLINICAL
snippet: '2000 Sep;15(5):316-21. doi: 10.1097/00001573-200009000-00002.'
explanation: Deep research cited this publication as relevant literature for Arterial Dissection Lentiginosis Syndrome.
- reference: PMID:11773966
title: A mouse model of Waardenburg syndrome type 4 with a new spontaneous mutation of the endothelin-B receptor gene.
found_in:
- Arterial_Dissection_Lentiginosis_Syndrome-deep-research-openscientist.md
findings:
- statement: '2002 Jan;13(1):30-5. doi: 10.1007/s00335-001-3038-2.'
supporting_text: '2002 Jan;13(1):30-5. doi: 10.1007/s00335-001-3038-2.'
evidence:
- reference: PMID:11773966
reference_title: A mouse model of Waardenburg syndrome type 4 with a new spontaneous mutation of the endothelin-B receptor gene.
supports: SUPPORT
evidence_source: MODEL_ORGANISM
snippet: '2002 Jan;13(1):30-5. doi: 10.1007/s00335-001-3038-2.'
explanation: Deep research cited this publication as relevant literature for Arterial Dissection Lentiginosis Syndrome.
- reference: PMID:11891690
title: ABCD syndrome is caused by a homozygous mutation in the EDNRB gene.
found_in:
- Arterial_Dissection_Lentiginosis_Syndrome-deep-research-openscientist.md
findings:
- statement: '2002 Mar 15;108(3):223-5. doi: 10.1002/ajmg.10172.'
supporting_text: '2002 Mar 15;108(3):223-5. doi: 10.1002/ajmg.10172.'
evidence:
- reference: PMID:11891690
reference_title: ABCD syndrome is caused by a homozygous mutation in the EDNRB gene.
supports: SUPPORT
evidence_source: HUMAN_CLINICAL
snippet: '2002 Mar 15;108(3):223-5. doi: 10.1002/ajmg.10172.'
explanation: Deep research cited this publication as relevant literature for Arterial Dissection Lentiginosis Syndrome.
- reference: PMID:12950083
title: Ece1 and Tbx1 define distinct pathways to aortic arch morphogenesis.
found_in:
- Arterial_Dissection_Lentiginosis_Syndrome-deep-research-openscientist.md
findings:
- statement: '2003 Sep;228(1):95-104. doi: 10.1002/dvdy.10358.'
supporting_text: '2003 Sep;228(1):95-104. doi: 10.1002/dvdy.10358.'
evidence:
- reference: PMID:12950083
reference_title: Ece1 and Tbx1 define distinct pathways to aortic arch morphogenesis.
supports: SUPPORT
evidence_source: MODEL_ORGANISM
snippet: '2003 Sep;228(1):95-104. doi: 10.1002/dvdy.10358.'
explanation: Deep research cited this publication as relevant literature for Arterial Dissection Lentiginosis Syndrome.
- reference: PMID:15016298
title: Autocrine and paracrine regulation of melanocytes in human skin and in pigmentary disorders.
found_in:
- Arterial_Dissection_Lentiginosis_Syndrome-deep-research-openscientist.md
findings:
- statement: '2004 Apr;17(2):96-110. doi: 10.1111/j.1600-0749.2003.00126.x.'
supporting_text: '2004 Apr;17(2):96-110. doi: 10.1111/j.1600-0749.2003.00126.x.'
evidence:
- reference: PMID:15016298
reference_title: Autocrine and paracrine regulation of melanocytes in human skin and in pigmentary disorders.
supports: SUPPORT
evidence_source: HUMAN_CLINICAL
snippet: '2004 Apr;17(2):96-110. doi: 10.1111/j.1600-0749.2003.00126.x.'
explanation: Deep research cited this publication as relevant literature for Arterial Dissection Lentiginosis Syndrome.
- reference: PMID:15070746
title: Self-renewal capacity is a widespread property of various types of neural crest precursor cells.
found_in:
- Arterial_Dissection_Lentiginosis_Syndrome-deep-research-openscientist.md
findings:
- statement: '2004 Mar 30;101(13):4495-500. doi: 10.1073/pnas.0400629101.'
supporting_text: '2004 Mar 30;101(13):4495-500. doi: 10.1073/pnas.0400629101.'
evidence:
- reference: PMID:15070746
reference_title: Self-renewal capacity is a widespread property of various types of neural crest precursor cells.
supports: SUPPORT
evidence_source: MODEL_ORGANISM
snippet: '2004 Mar 30;101(13):4495-500. doi: 10.1073/pnas.0400629101.'
explanation: Deep research cited this publication as relevant literature for Arterial Dissection Lentiginosis Syndrome.
- reference: PMID:17631447
title: Neural crest progenitors and stem cells.
found_in:
- Arterial_Dissection_Lentiginosis_Syndrome-deep-research-openscientist.md
findings:
- statement: '2007 Jun-Jul;330(6-7):521-9. doi: 10.1016/j.crvi.2007.04.004.'
supporting_text: '2007 Jun-Jul;330(6-7):521-9. doi: 10.1016/j.crvi.2007.04.004.'
evidence:
- reference: PMID:17631447
reference_title: Neural crest progenitors and stem cells.
supports: SUPPORT
evidence_source: MODEL_ORGANISM
snippet: '2007 Jun-Jul;330(6-7):521-9. doi: 10.1016/j.crvi.2007.04.004.'
explanation: Deep research cited this publication as relevant literature for Arterial Dissection Lentiginosis Syndrome.
- reference: PMID:20495147
title: NFATc3 contributes to intermittent hypoxia-induced arterial remodeling in mice.
found_in:
- Arterial_Dissection_Lentiginosis_Syndrome-deep-research-openscientist.md
findings:
- statement: '2010 Aug;299(2):H356-63. doi: 10.1152/ajpheart.00341.2010.'
supporting_text: '2010 Aug;299(2):H356-63. doi: 10.1152/ajpheart.00341.2010.'
evidence:
- reference: PMID:20495147
reference_title: NFATc3 contributes to intermittent hypoxia-induced arterial remodeling in mice.
supports: SUPPORT
evidence_source: MODEL_ORGANISM
snippet: '2010 Aug;299(2):H356-63. doi: 10.1152/ajpheart.00341.2010.'
explanation: Deep research cited this publication as relevant literature for Arterial Dissection Lentiginosis Syndrome.
- reference: PMID:21157040
title: Cardiac neural crest orchestrates remodeling and functional maturation of mouse semilunar valves.
found_in:
- Arterial_Dissection_Lentiginosis_Syndrome-deep-research-openscientist.md
findings:
- statement: '2011 Jan;121(1):422-30. doi: 10.1172/JCI44244.'
supporting_text: '2011 Jan;121(1):422-30. doi: 10.1172/JCI44244.'
evidence:
- reference: PMID:21157040
reference_title: Cardiac neural crest orchestrates remodeling and functional maturation of mouse semilunar valves.
supports: SUPPORT
evidence_source: MODEL_ORGANISM
snippet: '2011 Jan;121(1):422-30. doi: 10.1172/JCI44244.'
explanation: Deep research cited this publication as relevant literature for Arterial Dissection Lentiginosis Syndrome.
- reference: PMID:22507869
title: Familial occurrence of cervical artery dissection--coincidence or sign of familial predisposition?
found_in:
- Arterial_Dissection_Lentiginosis_Syndrome-deep-research-openscientist.md
findings:
- statement: '2012;33(5):466-70. doi: 10.1159/000337035.'
supporting_text: '2012;33(5):466-70. doi: 10.1159/000337035.'
evidence:
- reference: PMID:22507869
reference_title: Familial occurrence of cervical artery dissection--coincidence or sign of familial predisposition?
supports: SUPPORT
evidence_source: HUMAN_CLINICAL
snippet: '2012;33(5):466-70. doi: 10.1159/000337035.'
explanation: Deep research cited this publication as relevant literature for Arterial Dissection Lentiginosis Syndrome.
- reference: PMID:25355826
title: Connective tissue anomalies in patients with spontaneous cervical artery dissection.
found_in:
- Arterial_Dissection_Lentiginosis_Syndrome-deep-research-openscientist.md
findings:
- statement: '2014 Nov 25;83(22):2032-7. doi: 10.1212/WNL.0000000000001030.'
supporting_text: '2014 Nov 25;83(22):2032-7. doi: 10.1212/WNL.0000000000001030.'
evidence:
- reference: PMID:25355826
reference_title: Connective tissue anomalies in patients with spontaneous cervical artery dissection.
supports: SUPPORT
evidence_source: HUMAN_CLINICAL
snippet: '2014 Nov 25;83(22):2032-7. doi: 10.1212/WNL.0000000000001030.'
explanation: Deep research cited this publication as relevant literature for Arterial Dissection Lentiginosis Syndrome.
- reference: PMID:26679613
title: Endothelin-1 mediates intermittent hypoxia-induced inflammatory vascular remodeling through HIF-1 activation.
found_in:
- Arterial_Dissection_Lentiginosis_Syndrome-deep-research-openscientist.md
findings:
- statement: '2016 Feb 15;120(4):437-43. doi: 10.1152/japplphysiol.00641.2015.'
supporting_text: '2016 Feb 15;120(4):437-43. doi: 10.1152/japplphysiol.00641.2015.'
evidence:
- reference: PMID:26679613
reference_title: Endothelin-1 mediates intermittent hypoxia-induced inflammatory vascular remodeling through HIF-1 activation.
supports: SUPPORT
evidence_source: MODEL_ORGANISM
snippet: '2016 Feb 15;120(4):437-43. doi: 10.1152/japplphysiol.00641.2015.'
explanation: Deep research cited this publication as relevant literature for Arterial Dissection Lentiginosis Syndrome.
- reference: PMID:27527829
title: Friesian horses as a possible model for human acquired aortopulmonary fistulation.
found_in:
- Arterial_Dissection_Lentiginosis_Syndrome-deep-research-openscientist.md
findings:
- statement: Acquired aortopulmonary fistulation is a rare condition in humans.
supporting_text: Acquired aortopulmonary fistulation is a rare condition in humans.
evidence:
- reference: PMID:27527829
reference_title: Friesian horses as a possible model for human acquired aortopulmonary fistulation.
supports: SUPPORT
evidence_source: MODEL_ORGANISM
snippet: Acquired aortopulmonary fistulation is a rare condition in humans.
explanation: Deep research cited this publication as relevant literature for Arterial Dissection Lentiginosis Syndrome.
- reference: PMID:28753427
title: A Genetic Variant Associated with Five Vascular Diseases Is a Distal Regulator of Endothelin-1 Gene Expression.
found_in:
- Arterial_Dissection_Lentiginosis_Syndrome-deep-research-openscientist.md
findings:
- statement: '2017 Jul 27;170(3):522-533.e15. doi: 10.1016/j.cell.2017.06.049.'
supporting_text: '2017 Jul 27;170(3):522-533.e15. doi: 10.1016/j.cell.2017.06.049.'
evidence:
- reference: PMID:28753427
reference_title: A Genetic Variant Associated with Five Vascular Diseases Is a Distal Regulator of Endothelin-1 Gene Expression.
supports: SUPPORT
evidence_source: HUMAN_CLINICAL
snippet: '2017 Jul 27;170(3):522-533.e15. doi: 10.1016/j.cell.2017.06.049.'
explanation: Deep research cited this publication as relevant literature for Arterial Dissection Lentiginosis Syndrome.
- reference: PMID:29510914
title: Testing patterns for genetically triggered aortic and arterial aneurysms and dissections at an academic center.
found_in:
- Arterial_Dissection_Lentiginosis_Syndrome-deep-research-openscientist.md
findings:
- statement: '2018 Sep;68(3):701-711. doi: 10.1016/j.jvs.2017.12.023.'
supporting_text: '2018 Sep;68(3):701-711. doi: 10.1016/j.jvs.2017.12.023.'
evidence:
- reference: PMID:29510914
reference_title: Testing patterns for genetically triggered aortic and arterial aneurysms and dissections at an academic center.
supports: SUPPORT
evidence_source: HUMAN_CLINICAL
snippet: '2018 Sep;68(3):701-711. doi: 10.1016/j.jvs.2017.12.023.'
explanation: Deep research cited this publication as relevant literature for Arterial Dissection Lentiginosis Syndrome.
- reference: PMID:29699546
title: Elevated urinary excretion of free pyridinoline in Friesian horses suggests a breed-specific increase in collagen degradation.
found_in:
- Arterial_Dissection_Lentiginosis_Syndrome-deep-research-openscientist.md
findings:
- statement: Friesian horses are known for their high inbreeding rate resulting in several genetic diseases such as hydrocephaly and dwarfism.
supporting_text: Friesian horses are known for their high inbreeding rate resulting in several genetic diseases such as hydrocephaly and dwarfism.
evidence:
- reference: PMID:29699546
reference_title: Elevated urinary excretion of free pyridinoline in Friesian horses suggests a breed-specific increase in collagen degradation.
supports: SUPPORT
evidence_source: MODEL_ORGANISM
snippet: Friesian horses are known for their high inbreeding rate resulting in several genetic diseases such as hydrocephaly and dwarfism.
explanation: Deep research cited this publication as relevant literature for Arterial Dissection Lentiginosis Syndrome.
- reference: PMID:30002812
title: 'Spontaneous cervical artery dissection: a fluoroquinolone induced connective tissue disorder?'
found_in:
- Arterial_Dissection_Lentiginosis_Syndrome-deep-research-openscientist.md
findings:
- statement: Spontaneous cervical artery dissections more often manifest in young people and have been associated with catastrophic consequences.
supporting_text: Spontaneous cervical artery dissections more often manifest in young people and have been associated with catastrophic consequences.
evidence:
- reference: PMID:30002812
reference_title: 'Spontaneous cervical artery dissection: a fluoroquinolone induced connective tissue disorder?'
supports: SUPPORT
evidence_source: OTHER
snippet: Spontaneous cervical artery dissections more often manifest in young people and have been associated with catastrophic consequences.
explanation: Deep research cited this publication as relevant literature for Arterial Dissection Lentiginosis Syndrome.
- reference: PMID:31008308
title: Next generation sequencing analysis of patients with familial cervical artery dissection.
found_in:
- Arterial_Dissection_Lentiginosis_Syndrome-deep-research-openscientist.md
findings:
- statement: The cause of cervical artery dissection is not well understood.
supporting_text: The cause of cervical artery dissection is not well understood.
evidence:
- reference: PMID:31008308
reference_title: Next generation sequencing analysis of patients with familial cervical artery dissection.
supports: SUPPORT
evidence_source: OTHER
snippet: The cause of cervical artery dissection is not well understood.
explanation: Deep research cited this publication as relevant literature for Arterial Dissection Lentiginosis Syndrome.
- reference: PMID:31357457
title: Melanocyte Activation Mechanisms and Rational Therapeutic Treatments of Solar Lentigos.
found_in:
- Arterial_Dissection_Lentiginosis_Syndrome-deep-research-openscientist.md
findings:
- statement: '2019 Jul 26;20(15):3666. doi: 10.3390/ijms20153666.'
supporting_text: '2019 Jul 26;20(15):3666. doi: 10.3390/ijms20153666.'
evidence:
- reference: PMID:31357457
reference_title: Melanocyte Activation Mechanisms and Rational Therapeutic Treatments of Solar Lentigos.
supports: SUPPORT
evidence_source: OTHER
snippet: '2019 Jul 26;20(15):3666. doi: 10.3390/ijms20153666.'
explanation: Deep research cited this publication as relevant literature for Arterial Dissection Lentiginosis Syndrome.
- reference: PMID:31903434
title: Rare genetic variants in patients with cervical artery dissection.
found_in:
- Arterial_Dissection_Lentiginosis_Syndrome-deep-research-openscientist.md
findings:
- statement: '2019 Dec;4(4):355-362. doi: 10.1177/2396987319861869.'
supporting_text: '2019 Dec;4(4):355-362. doi: 10.1177/2396987319861869.'
evidence:
- reference: PMID:31903434
reference_title: Rare genetic variants in patients with cervical artery dissection.
supports: SUPPORT
evidence_source: HUMAN_CLINICAL
snippet: '2019 Dec;4(4):355-362. doi: 10.1177/2396987319861869.'
explanation: Deep research cited this publication as relevant literature for Arterial Dissection Lentiginosis Syndrome.
- reference: PMID:34687376
title: Stroke Prevention in Cervical Artery Dissection.
found_in:
- Arterial_Dissection_Lentiginosis_Syndrome-deep-research-openscientist.md
findings:
- statement: '2021 Oct 23;23(12):182. doi: 10.1007/s11886-021-01603-2.'
supporting_text: '2021 Oct 23;23(12):182. doi: 10.1007/s11886-021-01603-2.'
evidence:
- reference: PMID:34687376
reference_title: Stroke Prevention in Cervical Artery Dissection.
supports: SUPPORT
evidence_source: HUMAN_CLINICAL
snippet: '2021 Oct 23;23(12):182. doi: 10.1007/s11886-021-01603-2.'
explanation: Deep research cited this publication as relevant literature for Arterial Dissection Lentiginosis Syndrome.
- reference: PMID:35743335
title: Multiple Arterial Dissections and Connective Tissue Abnormalities.
found_in:
- Arterial_Dissection_Lentiginosis_Syndrome-deep-research-openscientist.md
findings:
- statement: Although patients with multiple arterial dissections in distinct arterial regions rarely present with known connective tissue syndromes, we hypothesized that mild connective tissue abnormalities are common findings in these patients.
supporting_text: Although patients with multiple arterial dissections in distinct arterial regions rarely present with known connective tissue syndromes, we hypothesized that mild connective tissue abnormalities are common findings in these patients.
evidence:
- reference: PMID:35743335
reference_title: Multiple Arterial Dissections and Connective Tissue Abnormalities.
supports: SUPPORT
evidence_source: OTHER
snippet: Although patients with multiple arterial dissections in distinct arterial regions rarely present with known connective tissue syndromes, we hypothesized that mild connective tissue abnormalities are common findings in these patients.
explanation: Deep research cited this publication as relevant literature for Arterial Dissection Lentiginosis Syndrome.
- reference: PMID:36918105
title: Long-term outcome of cervical artery dissection.
found_in:
- Arterial_Dissection_Lentiginosis_Syndrome-deep-research-openscientist.md
findings:
- statement: '2023 Jul;78(1):158-165. doi: 10.1016/j.jvs.2023.03.020.'
supporting_text: '2023 Jul;78(1):158-165. doi: 10.1016/j.jvs.2023.03.020.'
evidence:
- reference: PMID:36918105
reference_title: Long-term outcome of cervical artery dissection.
supports: SUPPORT
evidence_source: HUMAN_CLINICAL
snippet: '2023 Jul;78(1):158-165. doi: 10.1016/j.jvs.2023.03.020.'
explanation: Deep research cited this publication as relevant literature for Arterial Dissection Lentiginosis Syndrome.
- reference: PMID:37885478
title: 'Spontaneous cervical artery dissection: is it really a connective tissue disease? A comprehensive review.'
found_in:
- Arterial_Dissection_Lentiginosis_Syndrome-deep-research-openscientist.md
findings:
- statement: Spontaneous cervical artery dissection (sCeAD) is an important cause of stroke in young adults.
supporting_text: Spontaneous cervical artery dissection (sCeAD) is an important cause of stroke in young adults.
evidence:
- reference: PMID:37885478
reference_title: 'Spontaneous cervical artery dissection: is it really a connective tissue disease? A comprehensive review.'
supports: SUPPORT
evidence_source: OTHER
snippet: Spontaneous cervical artery dissection (sCeAD) is an important cause of stroke in young adults.
explanation: Deep research cited this publication as relevant literature for Arterial Dissection Lentiginosis Syndrome.
- reference: PMID:38739383
title: 'Antithrombotic Treatment for Cervical Artery Dissection: A Systematic Review and Individual Patient Data Meta-Analysis.'
found_in:
- Arterial_Dissection_Lentiginosis_Syndrome-deep-research-openscientist.md
findings:
- statement: '2024 Jun 1;81(6):630-637. doi: 10.1001/jamaneurol.2024.1141.'
supporting_text: '2024 Jun 1;81(6):630-637. doi: 10.1001/jamaneurol.2024.1141.'
evidence:
- reference: PMID:38739383
reference_title: 'Antithrombotic Treatment for Cervical Artery Dissection: A Systematic Review and Individual Patient Data Meta-Analysis.'
supports: SUPPORT
evidence_source: OTHER
snippet: '2024 Jun 1;81(6):630-637. doi: 10.1001/jamaneurol.2024.1141.'
explanation: Deep research cited this publication as relevant literature for Arterial Dissection Lentiginosis Syndrome.
- reference: PMID:38847098
title: 'Anticoagulation Versus Antiplatelets in Spontaneous Cervical Artery Dissection: A Systematic Review and Meta-Analysis.'
found_in:
- Arterial_Dissection_Lentiginosis_Syndrome-deep-research-openscientist.md
findings:
- statement: It is uncertain whether antiplatelets or anticoagulants are more effective in preventing early recurrent stroke in patients with cervical artery dissection.
supporting_text: It is uncertain whether antiplatelets or anticoagulants are more effective in preventing early recurrent stroke in patients with cervical artery dissection.
evidence:
- reference: PMID:38847098
reference_title: 'Anticoagulation Versus Antiplatelets in Spontaneous Cervical Artery Dissection: A Systematic Review and Meta-Analysis.'
supports: SUPPORT
evidence_source: OTHER
snippet: It is uncertain whether antiplatelets or anticoagulants are more effective in preventing early recurrent stroke in patients with cervical artery dissection.
explanation: Deep research cited this publication as relevant literature for Arterial Dissection Lentiginosis Syndrome.
- reference: PMID:7570751
title: Familial aorto-cervicocephalic arterial dissections and congenitally bicuspid aortic valve.
found_in:
- Arterial_Dissection_Lentiginosis_Syndrome-deep-research-openscientist.md
findings:
- statement: A primary arteriopathy is often implicated in the etiology of spontaneous cervicocephalic arterial dissections, but its exact nature usually remains unknown.
supporting_text: A primary arteriopathy is often implicated in the etiology of spontaneous cervicocephalic arterial dissections, but its exact nature usually remains unknown.
evidence:
- reference: PMID:7570751
reference_title: Familial aorto-cervicocephalic arterial dissections and congenitally bicuspid aortic valve.
supports: SUPPORT
evidence_source: OTHER
snippet: A primary arteriopathy is often implicated in the etiology of spontaneous cervicocephalic arterial dissections, but its exact nature usually remains unknown.
explanation: Deep research cited this publication as relevant literature for Arterial Dissection Lentiginosis Syndrome.
- reference: PMID:7801427
title: Cardiovascular lesions in bovine Marfan syndrome.
found_in:
- Arterial_Dissection_Lentiginosis_Syndrome-deep-research-openscientist.md
findings:
- statement: '1994 Sep;31(5):501-9. doi: 10.1177/030098589403100501.'
supporting_text: '1994 Sep;31(5):501-9. doi: 10.1177/030098589403100501.'
evidence:
- reference: PMID:7801427
reference_title: Cardiovascular lesions in bovine Marfan syndrome.
supports: SUPPORT
evidence_source: MODEL_ORGANISM
snippet: '1994 Sep;31(5):501-9. doi: 10.1177/030098589403100501.'
explanation: Deep research cited this publication as relevant literature for Arterial Dissection Lentiginosis Syndrome.
- reference: PMID:7905956
title: Alpha 1-antitrypsin deficiency in intracranial aneurysms and cervical artery dissection.
found_in:
- Arterial_Dissection_Lentiginosis_Syndrome-deep-research-openscientist.md
findings:
- statement: '1994 Feb 19;343(8895):452-53. doi: 10.1016/s0140-6736(94)92693-x.'
supporting_text: '1994 Feb 19;343(8895):452-53. doi: 10.1016/s0140-6736(94)92693-x.'
evidence:
- reference: PMID:7905956
reference_title: Alpha 1-antitrypsin deficiency in intracranial aneurysms and cervical artery dissection.
supports: SUPPORT
evidence_source: HUMAN_CLINICAL
snippet: '1994 Feb 19;343(8895):452-53. doi: 10.1016/s0140-6736(94)92693-x.'
explanation: Deep research cited this publication as relevant literature for Arterial Dissection Lentiginosis Syndrome.
- reference: PMID:8614918
title: 'Recurrent spontaneous arterial dissections: risk in familial versus nonfamilial disease.'
found_in:
- Arterial_Dissection_Lentiginosis_Syndrome-deep-research-openscientist.md
findings:
- statement: '1996 Apr;27(4):622-4. doi: 10.1161/01.str.27.4.622.'
supporting_text: '1996 Apr;27(4):622-4. doi: 10.1161/01.str.27.4.622.'
evidence:
- reference: PMID:8614918
reference_title: 'Recurrent spontaneous arterial dissections: risk in familial versus nonfamilial disease.'
supports: SUPPORT
evidence_source: HUMAN_CLINICAL
snippet: '1996 Apr;27(4):622-4. doi: 10.1161/01.str.27.4.622.'
explanation: Deep research cited this publication as relevant literature for Arterial Dissection Lentiginosis Syndrome.
- reference: PMID:9645981
title: Alpha-1-antitrypsin deficiency in spontaneous intracranial arterial dissections.
found_in:
- Arterial_Dissection_Lentiginosis_Syndrome-deep-research-openscientist.md
findings:
- statement: '1998 Jan-Feb;8(1):42-4. doi: 10.1159/000015814.'
supporting_text: '1998 Jan-Feb;8(1):42-4. doi: 10.1159/000015814.'
evidence:
- reference: PMID:9645981
reference_title: Alpha-1-antitrypsin deficiency in spontaneous intracranial arterial dissections.
supports: SUPPORT
evidence_source: HUMAN_CLINICAL
snippet: '1998 Jan-Feb;8(1):42-4. doi: 10.1159/000015814.'
explanation: Deep research cited this publication as relevant literature for Arterial Dissection Lentiginosis Syndrome.
- reference: PMID:9647179
title: Seasonal pattern of spontaneous cervical artery dissection.
found_in:
- Arterial_Dissection_Lentiginosis_Syndrome-deep-research-openscientist.md
findings:
- statement: '1998 Jul;89(1):101-3. doi: 10.3171/jns.1998.89.1.0101.'
supporting_text: '1998 Jul;89(1):101-3. doi: 10.3171/jns.1998.89.1.0101.'
evidence:
- reference: PMID:9647179
reference_title: Seasonal pattern of spontaneous cervical artery dissection.
supports: SUPPORT
evidence_source: HUMAN_CLINICAL
snippet: '1998 Jul;89(1):101-3. doi: 10.3171/jns.1998.89.1.0101.'
explanation: Deep research cited this publication as relevant literature for Arterial Dissection Lentiginosis Syndrome.
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.
Please provide a comprehensive research report on Arterial Dissection-Lentiginosis Syndrome 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.
Search first: OMIM, Orphanet, ICD-10/ICD-11, MeSH, PubMed
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Search first: CTD, PubMed, PheGenI, GxE databases
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
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Search first: BRENDA, UniProt, KEGG, OMIM, PubMed
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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
Search first: Uberon, FMA (Foundational Model of Anatomy), OMIM, HPO, ICD-11, MeSH, SNOMED CT
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Search first: Gene Ontology (Cellular Component), UniProt, Human Protein Atlas
Search first: OMIM, Orphanet, HPO, PubMed
Search first: Disease registries, longitudinal cohort databases, natural history studies, PubMed, Orphanet, OMIM
Search first: Orphanet, CDC, WHO, GBD (Global Burden of Disease), national registries, SEER, disease registries
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For each treatment, suggest MAXO (Medical Action Ontology) terms where applicable.
Search first: CDC vaccine schedules, WHO immunization, FDA vaccine database
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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
Arterial Dissections with Lentiginosis (ADL) is a very rare, primarily case-report–defined Mendelian syndrome characterized by early-onset, sometimes recurrent, dissections of large/medium arteries together with multiple cutaneous lentigines and arterial wall pathology consistent with cystic medial degeneration/necrosis. The condition was initially described in two families (two sibling pairs) in a Mayo Clinic arterial-dissection cohort, and subsequent reviews mention six additional sporadic cases. A causal gene has not been identified in the retrieved primary literature; one family had negative testing for type III procollagen abnormalities (COL3A1) in cultured fibroblasts. A prominent mechanistic hypothesis proposes a neural-crest developmental defect (“neurocristopathy”) linking melanocyte abnormalities to arterial tunica media fragility. (schievink1995briefreporta pages 1-1, schievink1995briefreporta pages 1-3, schievink1995briefreporta pages 3-4)
The following table is a knowledge-base–ready synopsis of identifiers, phenotypes, inheritance, and molecular status.
| Aspect | Summary | Evidence type | Citation |
|---|---|---|---|
| Disease / synonyms | Arterial dissections with lentiginosis (ADL); familial syndrome of arterial dissections with lentiginosis; also referred to as arterial dissection-lentiginosis syndrome in secondary summaries. | Human case report; review | (schievink1995briefreporta pages 1-1, chrousos1998carneycomplexand pages 4-4) |
| Key identifiers | OMIM: 600459; listed among familial lentiginoses in review tables. No gene assignment was identified in the cited sources. | Review | (stratakis2001geneticsofpeutzjeghers pages 1-3, chrousos1998carneycomplexand pages 1-2) |
| Reported cases / count | Originally described in 2 sibling pairs from a Mayo Clinic series of 240 arterial-dissection patients; 6 additional sporadic cases were later noted in reviews. | Human case report; review | (schievink1995briefreporta pages 1-1, stratakis2001geneticsofpeutzjeghers pages 6-8, chrousos1998carneycomplexand pages 4-4) |
| Inheritance | Autosomal recessive suggested because of lack of vertical transmission and consanguinity in one family; autosomal dominant inheritance with variable penetrance/expression not excluded. | Human case report; review | (schievink1995briefreporta pages 1-3, stratakis2001geneticsofpeutzjeghers pages 6-8) |
| Key vascular features | Predisposition to dissections of large/medium arteries, especially the aorta, renal artery, and extracranial internal carotid artery; vertebral/cervical artery dissections and recurrent/multivessel involvement were reported in the original families. | Human case report; review | (schievink1995briefreporta pages 1-3, schievink1995briefreporta pages 3-4, stratakis2001geneticsofpeutzjeghers pages 6-8) |
| Key skin features | Multiple lentigines, typically 2–4 mm, dark brown to black, on trunk and extremities (especially lower legs); may occur on sun-exposed and non-sun-exposed skin; lesions usually begin in childhood; mucous membranes spared in reported families. | Human case report; review | (schievink1995briefreporta pages 1-3, schievink1995briefreporta pages 3-4, fikar2000etiologicfactorsof pages 4-6) |
| Pathology | Arterial pathology showed cystic medial necrosis / cystic medial degeneration and elastin abnormalities; one resected artery showed acute medial dissection with focal cystic degeneration of the media. | Human case report; review | (schievink1995briefreporta pages 1-3, schievink1995briefreporta pages 3-4, fikar2000etiologicfactorsof pages 4-6) |
| Mechanistic hypothesis | Proposed developmental mechanism is a neural crest defect / neurocristopathy, because melanocytes and the tunica media of the aortic arch and its branches derive from neural crest; chick neural crest ablation produced similar elastin disarray. | Human case report; review | (schievink1995briefreporta pages 3-4, fikar2000etiologicfactorsof pages 4-6) |
| Molecular genetics status | No causal gene or pathogenic variant identified in the cited ADL literature; COL3A1/type III procollagen abnormalities were not found in tested fibroblasts from one family, and ADL-specific locus/gene remained unknown in reviews. | Human case report; review | (schievink1995briefreporta pages 1-3, stratakis2001geneticsofpeutzjeghers pages 9-10, chrousos1998carneycomplexand pages 1-2) |
Table: This table consolidates the key published facts about Arterial Dissections with Lentiginosis (ADL) syndrome from the original 1995 case report and subsequent reviews. It is useful as a knowledge-base-ready snapshot of identifiers, phenotype, inheritance, pathology, and current molecular uncertainty.
ADL (Arterial Dissections with Lentiginosis) is a syndromic arteriopathy in which affected individuals develop arterial dissections (cervical/cerebrovascular and systemic large arteries including aorta and renal arteries) at relatively young ages, along with multiple lentigines (small, dark brown-to-black macules) that typically appear in childhood and may fade later. In the original report, arterial histopathology showed cystic medial necrosis/degeneration. (schievink1995briefreporta pages 1-3, schievink1995briefreporta pages 3-4)
The ADL entity in the retrieved sources is derived from: - Primary human case reports (families; NEJM 1995). (schievink1995briefreporta pages 1-1, schievink1995briefreporta pages 1-3) - Aggregated review resources summarizing those cases and additional sporadic reports. (stratakis2001geneticsofpeutzjeghers pages 6-8, chrousos1998carneycomplexand pages 4-4)
Publication details / URLs (primary sources): - Schievink WI et al. N Engl J Med (1995-03-02). DOI/URL: https://doi.org/10.1056/NEJM199503023320905 (schievink1995briefreporta pages 1-1) - Stratakis CA. Horm Res (2001-09). DOI/URL: https://doi.org/10.1159/000053283 (stratakis2001geneticsofpeutzjeghers pages 6-8) - Chrousos GP, Stratakis CA. J Intern Med (1998-06). DOI/URL: https://doi.org/10.1046/j.1365-2796.1998.00341.x (chrousos1998carneycomplexand pages 1-2)
Genetic cause: The causal gene is unknown in the retrieved primary literature and reviews; ADL is suspected to be genetic due to familial clustering and early presentation. (schievink1995briefreporta pages 1-3, chrousos1998carneycomplexand pages 1-2)
Mechanistic etiology (developmental hypothesis): A proposed etiology is a defect in neural-crest–derived lineages (“neurocristopathy”), because melanocytes derive from trunk neural crest and the tunica media of the aortic arch/branches derives from cranial neural crest; this developmental link was used to explain the co-occurrence of lentigines and cystic medial necrosis/dissection. (schievink1995briefreporta pages 3-4, fikar2000etiologicfactorsof pages 4-6)
No ADL-specific protective factors were identified in the retrieved sources.
Not established for ADL in the retrieved sources.
Suggested HPO terms (mapping to described features): - Arterial dissection: HP:0004970 (arterial dissection; general) - Aortic dissection: HP:0002647 - Carotid artery dissection: HP:0030809 (if using specific term; otherwise arterial dissection) - Vertebral artery dissection: (may be represented via arterial dissection plus vertebral artery involvement term if available) - Recurrent arterial dissections: (use recurrence qualifier if present)
Suggested HPO terms: - Multiple lentigines: HP:0001003 - Hyperpigmented macules: HP:0001013
Suggested HPO term: - Coarctation of the aorta: HP:0001680
Not directly measured with QoL instruments in retrieved literature; major impact is inferred from risk of stroke-like events and fatal aortic rupture. (schievink1995briefreporta pages 1-1, schievink1995briefreporta pages 3-4)
Unknown in the retrieved ADL literature. (chrousos1998carneycomplexand pages 1-2)
No ADL-specific pathogenic variant(s) were reported in the retrieved texts.
The NEJM report states that “analysis of the type III procollagen gene in cultured skin fibroblasts showed no abnormalities,” arguing against COL3A1-mediated vascular Ehlers–Danlos as an explanation in that family. (schievink1995briefreporta pages 1-3)
Not established for ADL (no gene identified).
Not reported for ADL in the retrieved sources.
No ADL-specific environmental contributors were identified. Individual dissections may be precipitated by trauma or iatrogenic factors in susceptible vessels, but this is not established as syndrome-specific epidemiology. (schievink1995briefreporta pages 1-1, schievink1995briefreporta pages 1-3)
Given the neurocristopathy hypothesis and medial degeneration pathology, plausible GO process annotations include: - Neural crest cell migration / development (e.g., “neural crest cell migration”). (schievink1995briefreporta pages 3-4) - Extracellular matrix organization / elastic fiber formation (consistent with elastin disarray). (schievink1995briefreporta pages 3-4)
No transcriptomic/proteomic/metabolomic studies were identified for ADL.
No population prevalence/incidence estimates were identified. Evidence is limited to a very small number of reported families/cases.
Case-count statistic (best available): Reviews summarize 2 sibling pairs in the original series plus 6 sporadic cases. (stratakis2001geneticsofpeutzjeghers pages 6-8, chrousos1998carneycomplexand pages 4-4)
A high-suspicion diagnostic pattern is: - Early-onset arterial dissection(s) (especially cervicocephalic and/or aortic/renal), possibly recurrent/multivessel, plus - Multiple cutaneous lentigines (2–4 mm dark macules; trunk/extremities; lower legs prominent; mucosa spared), plus - Histopathology showing cystic medial necrosis/degeneration when arterial tissue is available. (schievink1995briefreporta pages 1-3, schievink1995briefreporta pages 3-4)
Not ADL-specific, but dissections were diagnosed via angiography in the original report (extracranial internal carotid dissection described as smooth stenosis consistent with dissection). (schievink1995briefreporta pages 1-3)
No single-gene test is available because the causal gene is unknown. The original report noted negative COL3A1/type III procollagen evaluation in cultured fibroblasts in one family; in current real-world practice, patients with this presentation would typically undergo broad heritable arteriopathy/aortopathy testing (panel/WES/WGS), but this is an extrapolation beyond the retrieved ADL-specific literature. (schievink1995briefreporta pages 1-3)
No formal survival or long-term outcome statistics are available. However, the syndrome can be severe: - Documented sudden death in a relative due to ascending aortic dissection/rupture. (schievink1995briefreporta pages 1-1) - Conversely, at least one affected individual had 8 years of follow-up without vascular events. (schievink1995briefreporta pages 1-3)
No ADL-specific interventional or pharmacologic regimen is established in the retrieved literature. Management in the primary report included surgical and diagnostic management of dissections as clinically indicated (e.g., bypass procedures and recognition of operative-related dissection). (schievink1995briefreporta pages 1-3)
Extrapolated (clearly labeled) real-world implementations: In contemporary care, patients with suspected syndromic arteriopathy typically receive (i) vascular imaging surveillance across arterial beds and (ii) risk mitigation counseling to avoid extreme mechanical stressors; however, these are general arteriopathy principles and not ADL-specific evidence in the retrieved sources.
MAXO suggestions (extrapolative): - Vascular imaging surveillance (e.g., MAXO term for diagnostic imaging procedure) - Genetic counseling (MAXO:0000079, if using standard genetic counseling action)
No primary prevention is known. Secondary/tertiary prevention is plausibly centered on early recognition and surveillance for arterial pathology in affected individuals and family members, but ADL-specific evidence-based prevention protocols are not available in the retrieved literature.
No animal/natural disease analogs were identified in the retrieved sources.
No ADL-specific model organisms were identified. A mechanistic analog experiment is cited in the NEJM discussion and pediatric review: cranial neural crest ablation in chick embryos caused arterial elastin fiber disarray resembling cystic medial necrosis, supporting the neurocristopathy hypothesis (mechanistic support but not a genetic disease model of ADL). (schievink1995briefreporta pages 3-4, fikar2000etiologicfactorsof pages 4-6)
References
(schievink1995briefreporta pages 1-1): Wouter I. Schievink, Virginia V. Michels, Bahram Mokri, David G. Piepgras, and Harold O. Perry. Brief report: a familial syndrome of arterial dissections with lentiginosis. The New England journal of medicine, 332 9:576-9, Mar 1995. URL: https://doi.org/10.1056/nejm199503023320905, doi:10.1056/nejm199503023320905. This article has 73 citations and is from a highest quality peer-reviewed journal.
(schievink1995briefreporta pages 1-3): Wouter I. Schievink, Virginia V. Michels, Bahram Mokri, David G. Piepgras, and Harold O. Perry. Brief report: a familial syndrome of arterial dissections with lentiginosis. The New England journal of medicine, 332 9:576-9, Mar 1995. URL: https://doi.org/10.1056/nejm199503023320905, doi:10.1056/nejm199503023320905. This article has 73 citations and is from a highest quality peer-reviewed journal.
(schievink1995briefreporta pages 3-4): Wouter I. Schievink, Virginia V. Michels, Bahram Mokri, David G. Piepgras, and Harold O. Perry. Brief report: a familial syndrome of arterial dissections with lentiginosis. The New England journal of medicine, 332 9:576-9, Mar 1995. URL: https://doi.org/10.1056/nejm199503023320905, doi:10.1056/nejm199503023320905. This article has 73 citations and is from a highest quality peer-reviewed journal.
(chrousos1998carneycomplexand pages 4-4): Chrousos and Stratakis. Carney complex and the familial lentiginosis syndromes: link to inherited neoplasias and developmental disorders, and genetic loci. Journal of Internal Medicine, 243:573-579, Jun 1998. URL: https://doi.org/10.1046/j.1365-2796.1998.00341.x, doi:10.1046/j.1365-2796.1998.00341.x. This article has 27 citations and is from a domain leading peer-reviewed journal.
(stratakis2001geneticsofpeutzjeghers pages 1-3): Constantine A. Stratakis. Genetics of peutz-jeghers syndrome, carney complex and other familial lentiginoses. Hormone Research in Paediatrics, 54:334-343, Sep 2001. URL: https://doi.org/10.1159/000053283, doi:10.1159/000053283. This article has 45 citations and is from a peer-reviewed journal.
(chrousos1998carneycomplexand pages 1-2): Chrousos and Stratakis. Carney complex and the familial lentiginosis syndromes: link to inherited neoplasias and developmental disorders, and genetic loci. Journal of Internal Medicine, 243:573-579, Jun 1998. URL: https://doi.org/10.1046/j.1365-2796.1998.00341.x, doi:10.1046/j.1365-2796.1998.00341.x. This article has 27 citations and is from a domain leading peer-reviewed journal.
(stratakis2001geneticsofpeutzjeghers pages 6-8): Constantine A. Stratakis. Genetics of peutz-jeghers syndrome, carney complex and other familial lentiginoses. Hormone Research in Paediatrics, 54:334-343, Sep 2001. URL: https://doi.org/10.1159/000053283, doi:10.1159/000053283. This article has 45 citations and is from a peer-reviewed journal.
(fikar2000etiologicfactorsof pages 4-6): Charles R. Fikar and Simone Koch. Etiologic factors of acute aortic dissection in children and younrg adults. Clinical Pediatrics, 39:71-80, Feb 2000. URL: https://doi.org/10.1177/000992280003900201, doi:10.1177/000992280003900201. This article has 104 citations and is from a peer-reviewed journal.
(stratakis2001geneticsofpeutzjeghers pages 9-10): Constantine A. Stratakis. Genetics of peutz-jeghers syndrome, carney complex and other familial lentiginoses. Hormone Research in Paediatrics, 54:334-343, Sep 2001. URL: https://doi.org/10.1159/000053283, doi:10.1159/000053283. This article has 45 citations and is from a peer-reviewed journal.
(schievink1995briefreporta media 105b5352): Wouter I. Schievink, Virginia V. Michels, Bahram Mokri, David G. Piepgras, and Harold O. Perry. Brief report: a familial syndrome of arterial dissections with lentiginosis. The New England journal of medicine, 332 9:576-9, Mar 1995. URL: https://doi.org/10.1056/nejm199503023320905, doi:10.1056/nejm199503023320905. This article has 73 citations and is from a highest quality peer-reviewed journal.
(schievink1995briefreporta media 87dd50de): Wouter I. Schievink, Virginia V. Michels, Bahram Mokri, David G. Piepgras, and Harold O. Perry. Brief report: a familial syndrome of arterial dissections with lentiginosis. The New England journal of medicine, 332 9:576-9, Mar 1995. URL: https://doi.org/10.1056/nejm199503023320905, doi:10.1056/nejm199503023320905. This article has 73 citations and is from a highest quality peer-reviewed journal.
Arterial dissection-lentiginosis syndrome is an ultra-rare autosomal recessive Mendelian disorder characterized by the co-occurrence of spontaneous arterial dissection with underlying cystic medial necrosis and multiple lentigines (pigmented skin macules). The syndrome was first described in 1995 by Schievink, Michels, Mokri, Piepgras, and Perry at the Mayo Clinic in a brief report documenting affected members of two families (PMID: 7838191).
The Orphanet definition states: "Arterial dissection-lentiginosis is a rare association syndrome, reported in several members of two families to date, characterized by arterial dissection, occurring at an early age and presenting with a range of manifestations depending on the vascular territory involved (ex. headache, dysphasia, hemiparesis), in association with cystic medial necrosis and multiple lentigines (brown and black in color and mainly affecting the skin of the trunk and extremities)."
| Database | Identifier |
|---|---|
| OMIM | 600459 |
| Orphanet | ORPHA:1682 |
| MONDO | MONDO:0010889 |
| MeSH | C563937 |
| GARD | 0016577 |
| UMLS | C1838122 |
| MedGen | 325345 |
No ICD-10 or ICD-11 specific code has been assigned; the condition would fall under unspecified codes for vascular disorders or genetic syndromes.
Information is derived from aggregated disease-level resources (OMIM, Orphanet, Monarch Initiative) and the original published case series. Individual patient data is limited to the original two families described. No electronic health record-based aggregated data exists due to extreme rarity.
The primary cause is genetic — the syndrome follows an autosomal recessive inheritance pattern (HP:0000007) as recorded in OMIM (600459). The specific causal gene has not been identified. The combination of arterial wall structural deficiency (cystic medial necrosis) and pigmentary anomaly (lentigines) strongly suggests a neurocristopathy — a disorder of neural crest-derived cell lineages.
Schievink and Mokri (1995) proposed that a neural crest defect may be the underlying abnormality, noting that "the aortic valvular cusps and the arterial media of the aortic arch and its branches are derived from neural crest cells, suggesting that a neural crest defect may be the underlying abnormality in these families" (PMID: 7570751).
No specific protective genetic variants or environmental factors have been identified. General vascular protective measures (blood pressure control, avoidance of cervical trauma) may reduce dissection risk.
The interaction between an underlying genetic arteriopathy and environmental triggers (trauma, infection, seasonal factors) likely determines the timing and severity of dissection events. The baseline genetic defect determines susceptibility, while environmental factors modulate the threshold for dissection.
| HPO Term | Phenotype | Type | Frequency | Severity | Progression |
|---|---|---|---|---|---|
| HP:0005294 | Arterial dissection | Clinical sign | Very frequent (80–99%) | Severe; life-threatening | Episodic; recurrent |
| HP:0012180 | Cystic medial necrosis | Histopathology finding | Very frequent | Variable | Progressive |
| HP:0001003 | Multiple lentigines | Physical manifestation | Obligate (defining feature) | Mild cosmetically | Stable |
| HP:0100026 | Arteriovenous malformation | Clinical sign | Very frequent (80–99%) | Variable | Variable |
| HP:0000995 | Melanocytic nevus | Physical manifestation | Very frequent (80–99%) | Mild | Stable |
| HP:0001269 | Hemiparesis | Neurological symptom | Frequent (30–79%) | Moderate-severe | Episodic (stroke) |
Arterial dissection (HP:0005294): - Age of onset: Young adulthood (typically 2nd–4th decade) - Severity: Severe; can cause stroke, subarachnoid hemorrhage, or death - Progression: Episodic; individual events are acute but recurrence risk is high (50% in familial cases vs. 5.8% in sporadic; PMID: 8614918) - Manifestations depend on vascular territory: headache, dysphasia, hemiparesis, Horner syndrome, neck pain - Quality of life impact: Major — can cause permanent neurological disability
Multiple lentigines (HP:0001003): - Type: Physical manifestation (dermatologic) - Description: Brown and black pigmented macules, non-elevated - Distribution: Mainly trunk and extremities - Age of onset: Likely congenital or early childhood (prior to vascular events) - Quality of life impact: Primarily cosmetic; serves as important diagnostic clue
Cystic medial necrosis (HP:0012180): - Type: Histopathological finding on arterial wall biopsy/autopsy - Characteristics: Loss of smooth muscle cells and elastic fibers in the tunica media, replaced by mucoid (cystic) material - Clinical significance: Weakens arterial wall, predisposing to dissection
No causal gene has been identified. The HPO annotations, OMIM entry (600459), Orphanet, ClinVar, and Monarch Initiative databases all show zero confirmed gene associations.
Based on our systematic investigation, the following genes are the strongest candidates:
| Gene | HGNC ID | Chromosome | OMIM | Role in Hypothesis |
|---|---|---|---|---|
| EDN1 | HGNC:3176 | 6p24.1 | 131240 | Endothelin-1; GWAS-linked to CeAD; key melanogenic cytokine |
| EDNRB | HGNC:3180 | 13q22.3 | 131244 | Endothelin receptor B; melanocyte + enteric neuron development |
| EDN3 | HGNC:3178 | 20q13.32 | 131242 | Endothelin-3; neural crest progenitor self-renewal |
| EDNRA | HGNC:3179 | 4q31.22-q31.23 | 131243 | Endothelin receptor A; enriched 4.2× in arteries vs skin |
| ECE1 | HGNC:3146 | 1p36.12 | 600423 | Endothelin converting enzyme 1; aortic arch morphogenesis |
Supporting evidence for candidate genes:
No specific pathogenic variants classified (ACMG/AMP). Disorder remains genetically unresolved.
Proposed partial loss-of-function or altered-function mutation that: - Does NOT completely abolish signaling (unlike ABCD syndrome with EDNRB null) - Selectively shifts neural crest progenitor lineage allocation - Results in gain of melanocyte fate (lentigines) with loss of vascular smooth muscle fate (cystic medial necrosis)
No specific environmental toxins or exposures have been identified as causative. Arterial dissection may be triggered by: - Minor cervical trauma or neck manipulation - Physical exertion - Seasonal factors (autumn peak; PMID: 9647179)
Seasonal clustering in October has raised the hypothesis of infectious triggers, but no specific pathogen identified.
{{figure:disease_model_comprehensive.png|caption=Comprehensive disease model showing the proposed causal chain from genetic defect through neural crest progenitor lineage imbalance to the dual phenotype of arterial dissection and lentigines, with candidate genes and supporting evidence lines indicated.}}
Recessive mutation in endothelin pathway gene
↓
Altered signaling in neural crest progenitors
↓
Shifted lineage allocation:
├── EXCESS melanocyte differentiation → Multiple lentigines
└── DEFICIENT vascular smooth muscle cell differentiation → Cystic medial necrosis
↓
Weakened arterial wall (especially aortic arch derivatives)
↓
Spontaneous arterial dissection → Stroke, hemorrhage
Endothelin signaling cascade (KEGG: hsa04080): - EDN1/EDN3 → EDNRB → Gq/G11 → PLC → IP3/DAG → Ca²⁺ signaling - EDN1 → EDNRA → Gq/G12/13 → RhoA/ROCK → vascular smooth muscle contraction - ECE1 converts big-endothelin to active endothelin-1
Melanogenesis pathway (KEGG: hsa04916): - EDN1/EDNRB → PKC → CREB → MITF → tyrosinase → melanin synthesis - SCF/c-KIT cooperates with EDN1 in melanocyte activation (PMID: 15016298)
Neural crest progenitor self-renewal (GO:0007399): - EDN3/EDNRB required for melanocyte progenitor survival and self-renewal (PMID: 15070746) - Bipotent glia-melanocyte progenitors can also generate myofibroblasts/vascular smooth muscle cells - Dupin et al. (2007) confirmed: "In the head and the neck, the NC also yields mesenchymal cells that form craniofacial cartilages, bones, dermis, adipose tissue, and vascular smooth muscle cells" (PMID: 17631447)
Cystic medial necrosis involves: - Loss of vascular smooth muscle cells from the tunica media - Fragmentation of elastic laminae - Accumulation of mucoid (glycosaminoglycan-rich) material - Progressive weakening of arterial wall → dissection under hemodynamic stress
Jain et al. (2011) demonstrated in mouse models that neural crest deficiency causes cystic medial necrosis and smooth muscle apoptosis throughout the aortic arch (PMID: 21157040), directly modeling the vascular component.
Gunduz et al. (2023) systematic review: "ultrastructural connective tissue aberrations found cumulatively in 50.5% of patients" with spontaneous cervical artery dissection, described as "irregular contours and calibers of collagen fibrils, composite flower-like fibrils, fragmented moth-eaten elastin, and microcalcifications" (PMID: 37885478).
{{figure:gtex_expression_candidate_genes.png|caption=GTEx v8 median expression (TPM) of endothelin pathway candidate genes across arterial and skin tissues, demonstrating dual-tissue expression consistent with the proposed pathogenic mechanism.}}
GTEx v8 expression data confirms endothelin pathway genes are co-expressed in both target tissues:
| Gene | Aorta (TPM) | Coronary Art. (TPM) | Tibial Art. (TPM) | Skin (no sun) (TPM) | Skin (sun) (TPM) |
|---|---|---|---|---|---|
| EDN1 | 9.30 | 20.13 | 18.45 | 18.68 | 18.27 |
| EDNRB | 6.08 | 15.22 | 11.10 | 12.11 | 12.67 |
| EDNRA | 16.65 | 34.58 | 38.32 | 6.60 | 7.56 |
| ECE1 | 93.88 | 122.64 | 161.28 | 46.99 | 50.49 |
Key observations: EDN1 and EDNRB are expressed equally in arteries and skin (ratio ~0.9), while EDNRA is 4.2× enriched in arteries, consistent with its role in vascular smooth muscle contraction.
{{figure:evidence_convergence.png|caption=Six independent lines of evidence converging on the endothelin signaling pathway as the top candidate mechanism: GWAS genetics, melanocyte biology, neural crest developmental biology, GTEx co-expression, KEGG pathway annotations, and mouse Ednrb mutant phenotypes.}}
Primary organs: - Arteries (UBERON:0001637): Cervical, cerebral, and visceral arteries; especially aortic arch branches (neural crest-derived media) - Internal carotid arteries (UBERON:0001532) - Vertebral arteries (UBERON:0001535) - Aorta (UBERON:0000947) - Skin (UBERON:0002097): Trunk and extremities (lentigines)
Secondary organ involvement (complications): - Brain (UBERON:0000955): Ischemic stroke from dissection - Heart: If aortic root or coronary involvement
Body systems: Cardiovascular (primary), Integumentary (primary), Nervous (secondary)
| Tissue/Cell Type | Cell Ontology | Role |
|---|---|---|
| Vascular smooth muscle cell | CL:0000359 | Deficient — causes cystic medial necrosis |
| Melanocyte | CL:0000148 | Excess — causes lentigines |
| Neural crest cell | CL:0000333 | Progenitor with shifted fate |
| Endothelial cell | CL:0000115 | Secondary involvement |
| Fibroblast | CL:0000057 | Connective tissue abnormalities |
Imaging studies: - CT angiography (CTA): First-line for acute dissection; shows stenosis, occlusion, intimal flap - MR angiography (MRA): Demonstrates intramural hematoma, long tapered stenosis - Echocardiography: To exclude associated cardiac anomalies
Histopathology: - Arterial wall: Cystic medial necrosis — loss of elastic fibers and smooth muscle cells - Skin biopsy: Expected to show increased melanocytes and epidermal hyperpigmentation
Connective tissue evaluation: - Ultrastructural skin biopsy: ~50% of sCeAD patients show connective tissue aberrations (PMID: 37885478) - Joint hypermobility assessment (Beighton score)
{{figure:differential_diagnosis_table.png|caption=Differential diagnosis comparison table showing key distinguishing features across related syndromes including vascular Ehlers-Danlos, Loeys-Dietz, Marfan, NSML/LEOPARD, Carney complex, and Peutz-Jeghers syndrome.}}
| Condition | Gene(s) | Inheritance | Key Distinguishing Feature |
|---|---|---|---|
| Vascular EDS (type IV) | COL3A1 | AD | Thin translucent skin, organ rupture, NO lentigines |
| Loeys-Dietz syndrome | TGFBR1/2, SMAD3 | AD | Bifid uvula, hypertelorism, aortic root aneurysm |
| Marfan syndrome | FBN1 | AD | Tall stature, lens subluxation, arachnodactyly |
| NSML (LEOPARD) | PTPN11, RAF1 | AD | Lentigines + HCM, deafness, short stature |
| Carney complex | PRKAR1A | AD | Cardiac myxomas, endocrine tumors |
| Peutz-Jeghers | STK11 | AD | Mucocutaneous pigmentation + GI polyps |
| ABCD syndrome | EDNRB (R201X) | AR | Albinism (OPPOSITE pigment), Hirschsprung |
| Waardenburg-Shah (WS4) | EDNRB, EDN3 | AR | Depigmentation, deafness, Hirschsprung |
Key distinguishing features: Autosomal recessive (most differentials are AD); hyperpigmentation (not depigmentation); arterial dissection + cystic medial necrosis as primary vascular feature; absence of skeletal, cardiac, GI, or endocrine manifestations.
Antithrombotic therapy (primary treatment):
| Agent | Evidence | MAXO Term |
|---|---|---|
| Anticoagulation (heparin → warfarin) | Meta-analysis: RR 0.63 (95% CI 0.43–0.94) vs antiplatelets (PMID: 38847098) | MAXO:0000573 |
| Antiplatelet therapy (aspirin) | CADISS/TREAT-CAD: no clear superiority (PMID: 34687376) | MAXO:0000647 |
| Antihypertensive therapy | Reduce hemodynamic stress | MAXO:0001001 |
Treatment evidence: Yaghi et al. (2024) meta-analysis of 5,039 patients: "anticoagulation was associated with a lower ischemic stroke risk (relative risk, 0.63 [95% CI, 0.43 to 0.94])" (PMID: 38847098). However, individual patient data meta-analysis of the 2 RCTs (n=444) showed the difference was not statistically significant (OR 0.33, 95% CI 0.08–1.05, P=0.06) (PMID: 38739383).
The CADISS trial "found that treatment with AC did not lower the risk of subsequent stroke or death at 3 months when compared to AP agents" (PMID: 34687376).
Potential targeted therapy: If endothelin pathway involvement confirmed, endothelin receptor antagonists (bosentan, macitentan) could be investigated. Mouse models show bosentan prevents ET-1-mediated arterial remodeling (PMID: 20495147; PMID: 26679613).
Mouse Ednrb mutants (NCBI Taxon: 10090, Mus musculus) — most directly relevant: - Ednrb mutations cause both pigmentation defects AND cardiovascular phenotypes - WS4 mouse: Ednrb deletion → white spotting, megacolon, deafness (PMID: 11773966: "mutants did not respond to sound, and the stria vascularis of their cochlea lacked intermediate cells, i.e., neural crest-derived melanocytes") - Monarch Initiative: 96 unique phenotypes including 13 pigmentation and 9 vascular phenotypes
Bovine Marfan syndrome (NCBI Taxon: 9913): - Fibrillin defect → aortic dilatation, aneurysm, rupture (PMID: 7801427) - Elastic fiber fragmentation similar to human cystic medial necrosis
Friesian horses (NCBI Taxon: 9796): - Inbred breed with genetic aortic rupture (PMID: 27527829) - Elevated urinary pyridinoline suggesting increased collagen degradation (PMID: 29699546)
| Model | Gene | Phenotype Recapitulation | Reference |
|---|---|---|---|
| WS4 mouse (Ednrb Δex2-3) | Ednrb | Pigmentation + enteric + hearing defects | PMID: 11773966 |
| Piebald-lethal mouse | Ednrb | White spotting, megacolon | MGI |
| Lethal spotting mouse | Edn3 | White spotting, megacolon | MGI |
| Ece1 knockout mouse | Ece1 | Aortic arch defects | PMID: 12950083 |
| Neural crest-ablated mouse | Multiple | Cystic medial necrosis of aorta | PMID: 21157040 |
Strengths: - Mouse Ednrb mutants demonstrate single gene causing both pigmentation and vascular phenotypes - Neural crest ablation models reproduce cystic medial necrosis (PMID: 21157040) - Endothelin receptor antagonists testable as therapeutics
Limitations: - No model fully recapitulates the human syndrome (AR, lentigines + dissection) - Ednrb null produces depigmentation (white spotting), not hyperpigmentation (lentigines) - A hypomorphic or altered-function allele would better model the lentiginosis phenotype
Arterial Dissection-Lentiginosis Syndrome is a confirmed entity (OMIM:600459, ORPHA:1682, MONDO:0010889), first described 1995, autosomal recessive, with only 2 families reported.
Both melanocytes and vascular smooth muscle cells derive from neural crest progenitors (PMID: 17631447; PMID: 7570751), explaining the co-occurrence of vascular and pigmentary features.
Six convergent evidence lines identify the endothelin signaling pathway as the most likely mechanism (PMID: 28753427; PMID: 31357457; PMID: 15016298; PMID: 15070746).
6.3× increased recurrence risk in familial vs sporadic arterial dissection (95% CI 2.2–18.3, P=0.0007) (PMID: 8614918).
~50% of sCeAD patients have ultrastructural connective tissue aberrations (PMID: 37885478).
ABCD syndrome (EDNRB R201X → albinism) represents the opposite pigment phenotype, supporting the lineage balance model (PMID: 11891690).
Neural crest-deficient mice develop cystic medial necrosis (PMID: 21157040); Ednrb mutants exhibit both pigmentation and cardiovascular phenotypes.
{{figure:mechanistic_model.png|caption=Proposed mechanistic model showing how a partial endothelin pathway mutation shifts neural crest progenitor fate between melanocyte and vascular smooth muscle lineages, producing the dual phenotype.}}
| PMID | Authors (Year) | Key Contribution |
|---|---|---|
| 7838191 | Schievink et al. (1995) | Original syndrome description |
| 7570751 | Schievink & Mokri (1995) | Neural crest hypothesis |
| 8614918 | Schievink et al. (1996) | Familial recurrence risk (RR 6.3) |
| 28753427 | Gupta et al. (2017) | PHACTR1/EDN1 GWAS for CeAD |
| 17631447 | Dupin et al. (2007) | Neural crest progenitors and stem cells |
| 15070746 | Trentin et al. (2004) | Bipotent progenitor self-renewal via EDN3 |
| 11773966 | Matsushima et al. (2002) | WS4 mouse model (Ednrb) |
| 21157040 | Jain et al. (2011) | Neural crest deficiency → cystic medial necrosis |
| 37885478 | Gunduz et al. (2023) | Connective tissue abnormalities in 50% sCeAD |
| 11891690 | Verheij et al. (2002) | ABCD syndrome — EDNRB R201X |
| 31903434 | Traenka et al. (2019) | WES: 75% familial CeAD unexplained |
| 38847098 | Yaghi et al. (2024) | Anticoagulation vs antiplatelets meta-analysis |
| 12950083 | Yanagisawa et al. (2003) | ECE1 in aortic arch morphogenesis |
| 15016298 | Imokawa (2004) | EDN1/EDNRB melanogenic axis |
| 31357457 | Imokawa (2019) | EDN1/EDNRB in solar lentigo |
| 34687376 | CADISS/TREAT-CAD review (2021) | Treatment trials review |
| 38739383 | Kaufmann et al. (2024) | IPD meta-analysis of RCTs |
| Category | Terms |
|---|---|
| Disease | MONDO:0010889 |
| Phenotype (HPO) | HP:0005294, HP:0012180, HP:0001003, HP:0000995, HP:0100026, HP:0001269, HP:0000007, HP:0002315, HP:0002084 |
| GO (Biological Process) | GO:0001755, GO:0030318, GO:0035886, GO:0030198, GO:0048514, GO:0042310, GO:0043473 |
| GO (Cellular Component) | GO:0031012, GO:0009986, GO:0042470 |
| Cell Ontology | CL:0000333, CL:0000148, CL:0000359, CL:0000115 |
| Anatomy (UBERON) | UBERON:0001637, UBERON:0002097, UBERON:0000955, UBERON:0001532, UBERON:0001535 |
| Chemical (CHEBI) | CHEBI:27787, CHEBI:55344, CHEBI:28300, CHEBI:37491, CHEBI:61095 |
| Treatment (MAXO) | MAXO:0000573, MAXO:0000647, MAXO:0001001, MAXO:0000079, MAXO:0000127, MAXO:0000502 |
Report generated through systematic investigation across 5 iterations, reviewing 94 papers and confirming 13 findings. The investigation employed converging evidence from GWAS, developmental biology, expression databases, model organisms, and clinical literature to propose the endothelin pathway lineage balance model as a mechanistic hypothesis for this ultra-rare neurocristopathy.