Guillain-Barre Syndrome

Disease Pathophysiology Research Report

2025-12-18
Falcon MONDO:0016218 Model: Edison Scientific Literature 25 citations

Disease Pathophysiology Research Report

Target Disease

  • Disease Name: Guillain-Barre Syndrome (GBS)
  • MONDO ID: Not specified in retrieved sources
  • Category: Autoimmune

Pathophysiology Overview (narrative)

Guillain-Barre syndrome is an acute, frequently post-infectious, immune-mediated polyradiculoneuropathy in which humoral and cellular immunity target peripheral nerve axolemma and/or myelin, particularly at the node of Ranvier and paranodes. A central paradigm is molecular mimicry: antecedent infections (classically Campylobacter jejuni) elicit anti-glycolipid antibodies that cross-react with nerve gangliosides (GM1, GD1a, GQ1b) concentrated at nodes and motor terminals. Antibody binding initiates classical complement activation (C1q→C3→C5b-9), causing disruption of sodium-channel clusters, paranodal detachment, conduction failure, and varying degrees of axonal degeneration. In parallel, macrophage-mediated segmental demyelination characterizes many AIDP cases, while autoimmunity against nodal/paranodal adhesion proteins (neurofascin, contactin-1, CASPR1) produces a “nodo-paranodopathy” with conduction failure that may be complement-dependent (IgG1/3) or complement-sparing (IgG4). Systemic and endoneurial immune signatures include activated monocytes/macrophages, CD8 T cells, Th17/Treg imbalance, and elevated cytokines (e.g., IL-6, IL-8); CSF albuminocytologic dissociation and neurofilament light (NfL) elevations reflect barrier dysfunction and axonal injury. Recent work and clinical trials have focused on complement inhibition to prevent MAC-mediated nerve injury. (shastri2023immunemediatedneuropathiespathophysiology pages 22-24, shastri2023immunemediatedneuropathiespathophysiology pages 8-9)

Table (click to expand)
Category Entity (HGNC/CHEBI where applicable) Role / Mechanism Cellular / Anatomical context Key process (GO-style) Evidence
Autoantibodies Anti-ganglioside Ab (GM1, GD1a, GQ1b) Molecular mimicry → bind axolemma/nodes; fix complement causing nodal disruption Axolemma / nodes of Ranvier; motor terminals antibody-mediated complement activation; disruption of sodium-channel clusters (shastri2023immunemediatedneuropathiespathophysiology pages 8-9, shastri2023immunemediatedneuropathiespathophysiology pages 22-24, oshomoji2024autoimmunemechanismsin pages 7-8)
Complement system C1q; C3; C5b-9 (MAC) Classical pathway activation by IgG/IgM → MAC deposition → axonal/nodal injury Nodes of Ranvier; motor nerve terminals; Schwann cell surfaces classical complement activation; membrane attack complex formation (shastri2023immunemediatedneuropathiespathophysiology pages 8-9, shastri2023immunemediatedneuropathiespathophysiology pages 22-24, NCT04752566)
Nodal adhesion NFASC / NF155 (HGNC: NFASC) Paranodal adhesion; target of autoantibodies causing paranodal dissection and conduction failure Paranode / node of Ranvier node of Ranvier organization; axo-glial adhesion disruption (shastri2023immunemediatedneuropathiespathophysiology pages 7-8, shastri2023immunemediatedneuropathiespathophysiology pages 22-24)
Paranodal protein CNTN1 (contactin-1) Axoglial adhesion molecule; autoantibody target in autoimmune nodopathy Paranode / Schwann cell-axon junction maintenance of paranodal junctions; disruption → nodo-paranodopathy (shastri2023immunemediatedneuropathiespathophysiology pages 7-8, shastri2023immunemediatedneuropathiespathophysiology pages 22-24)
Paranodal protein CASPR1 / CNTNAP1 Partners with contactin-1 in paranodal complex; targeted in nodopathies Paranode / juxtaparanode paranodal junction assembly / stability (shastri2023immunemediatedneuropathiespathophysiology pages 7-8, shastri2023immunemediatedneuropathiespathophysiology pages 22-24)
Innate immune cell Macrophages Mediate segmental demyelination via myelin phagocytosis and inflammatory mediators Endoneurium; Schwann cell–myelin sheaths macrophage-mediated myelin phagocytosis; inflammatory demyelination (shastri2023immunemediatedneuropathiespathophysiology pages 22-24, shastri2023immunemediatedneuropathiespathophysiology pages 8-9)
Innate immune cell Monocytes / intermediate monocytes Circulating inflammatory cells with proinflammatory transcriptomic signatures; recruit/activate endoneurial cells Peripheral blood → endoneurial infiltration leukocyte activation and recruitment; cytokine production (kmezic2025biomarkerandpathogenic pages 137-139, shastri2023immunemediatedneuropathiespathophysiology pages 22-24)
Adaptive immune cell CD8+ T cells Proliferative/activated cytotoxic phenotype; may express axon-guidance genes in early disease Peripheral blood / possible endoneurial presence cytotoxic T cell activation; cell-mediated cytotoxicity (kmezic2025biomarkerandpathogenic pages 137-139, shastri2023immunemediatedneuropathiespathophysiology pages 22-24)
Adaptive immune balance Th17 / Treg imbalance Skewed helper/regulatory T-cell responses contributing to uncontrolled inflammation Peripheral immune compartment; draining nodes T-cell differentiation; dysregulated immune regulation (kmezic2025biomarkerandpathogenic pages 137-139, shastri2023immunemediatedneuropathiespathophysiology pages 22-24)
Humoral immunity B cells / plasma cells Source of pathogenic IgG (anti-ganglioside, anti-nodal) driving complement or IgG-subclass effects Systemic circulation; CSF antibody production and affinity maturation (shastri2023immunemediatedneuropathiespathophysiology pages 22-24, shastri2023immunemediatedneuropathiespathophysiology pages 8-9)
Cytokine IL-6 Proinflammatory cytokine elevated in acute disease; promotes systemic inflammation Blood and CSF; leukocyte–Schwann cell signaling cytokine-mediated signaling pathway (kmezic2025biomarkerandpathogenic pages 137-139, shastri2023immunemediatedneuropathiespathophysiology pages 22-24)
Chemokine / biomarker IL-8 (CXCL8) CSF biomarker validated in GBS/CIDP cohorts; indicates intrathecal inflammation Cerebrospinal fluid; endoneurial inflammatory milieu chemokine-mediated immune cell recruitment; inflammatory signaling (kmezic2025biomarkerandpathogenic pages 137-139, shastri2023immunemediatedneuropathiespathophysiology pages 22-24)
Cytokine Oncostatin M (OSM) Predicted leukocyte–nerve ligand promoting angiogenesis and inflammation in transcriptomic interactomes Leukocyte–Schwann cell interactions; peripheral nerve microenvironment cytokine-mediated cellular response and tissue remodeling (kmezic2025biomarkerandpathogenic pages 137-139, shastri2023immunemediatedneuropathiespathophysiology pages 22-24)
Biomarker Neurofilament light (NfL) Marker of axonal damage; serum/CSF levels rise with axonal injury severity Serum and CSF reflecting peripheral axonal degeneration biomarker of axonal degeneration / neurofilament release (shastri2023immunemediatedneuropathiespathophysiology pages 7-8, kmezic2025biomarkerandpathogenic pages 137-139, shastri2023immunemediatedneuropathiespathophysiology pages 22-24)
Therapeutic Eculizumab (C5 inhibitor) Terminal complement blockade evaluated in Phase 3 trial to prevent MAC-mediated nerve injury Systemic complement inhibition to reduce peripheral nerve complement activity therapeutic inhibition of complement-mediated cytotoxicity (NCT04752566, shastri2023immunemediatedneuropathiespathophysiology pages 8-9, censi2024guillain–barrésyndromeand pages 5-8)

Table: Concise table mapping major molecules, cells, anatomical sites, processes (GO-style) and key evidence IDs supporting Guillain-Barré syndrome pathophysiology; useful as a citable reference for knowledge-base annotation and mechanistic summaries.

1. Core Pathophysiology

2. Key Molecular Players

3. Biological Processes (GO-style)

4. Cellular Components

5. Disease Progression (sequence of events)

6. Phenotypic Manifestations and Mechanistic Correlations

Expert syntheses, recent developments, and statistics

Evidence items (selected with quotes)

Knowledge-base aligned annotations

Current applications and real-world implementations

References with URLs and dates

Appendix: Mapping to requested ontologies

Limitations and open questions: Although strong evidence supports complement-mediated injury in axonal forms and nodopathies, heterogeneity across cohorts suggests overlapping mechanisms in AIDP/axonal subtypes. Large randomized trials of proximal complement inhibition (e.g., C1q) and validated, widely accessible assays for nodo-paranodal antibodies are areas for ongoing research. (shastri2023immunemediatedneuropathiespathophysiology pages 22-24, xu2024variationinworldwide pages 4-7)

References

  1. (shastri2023immunemediatedneuropathiespathophysiology pages 22-24): Abhishek Shastri, Ahmad Al Aiyan, Uday Kishore, and Maria Elena Farrugia. Immune-mediated neuropathies: pathophysiology and management. International Journal of Molecular Sciences, 24:7288, Apr 2023. URL: https://doi.org/10.3390/ijms24087288, doi:10.3390/ijms24087288. This article has 69 citations and is from a poor quality or predatory journal.

  2. (shastri2023immunemediatedneuropathiespathophysiology pages 8-9): Abhishek Shastri, Ahmad Al Aiyan, Uday Kishore, and Maria Elena Farrugia. Immune-mediated neuropathies: pathophysiology and management. International Journal of Molecular Sciences, 24:7288, Apr 2023. URL: https://doi.org/10.3390/ijms24087288, doi:10.3390/ijms24087288. This article has 69 citations and is from a poor quality or predatory journal.

  3. (oshomoji2024autoimmunemechanismsin pages 7-8): Olawale Isreal Oshomoji, J. O. Ajiroba, S. O. Semudara, M. A. Olayemi, and S. O. Adeoye. Autoimmune mechanisms in guillain-barré syndrome subtypes: a systematic review. Bulletin of Faculty of Physical Therapy, Dec 2024. URL: https://doi.org/10.1186/s43161-024-00258-8, doi:10.1186/s43161-024-00258-8. This article has 7 citations and is from a peer-reviewed journal.

  4. (NCT04752566): A Study to Evaluate the Efficacy and Safety of Eculizumab in Guillain-Barré Syndrome. Alexion Pharmaceuticals, Inc.. 2021. ClinicalTrials.gov Identifier: NCT04752566

  5. (shastri2023immunemediatedneuropathiespathophysiology pages 7-8): Abhishek Shastri, Ahmad Al Aiyan, Uday Kishore, and Maria Elena Farrugia. Immune-mediated neuropathies: pathophysiology and management. International Journal of Molecular Sciences, 24:7288, Apr 2023. URL: https://doi.org/10.3390/ijms24087288, doi:10.3390/ijms24087288. This article has 69 citations and is from a poor quality or predatory journal.

  6. (kmezic2025biomarkerandpathogenic pages 137-139): Ivan Kmezic. Biomarker and pathogenic study of immune-mediated neuropathies. Apr 2025. URL: https://doi.org/10.69622/28457924.v1, doi:10.69622/28457924.v1.

  7. (censi2024guillain–barrésyndromeand pages 5-8): Stefano Censi, Giandomenico Bisaccia, Sabina Gallina, Valentina Tomassini, and Antonino Uncini. Guillain–barré syndrome and covid-19 vaccination: a systematic review and meta-analysis. Journal of Neurology, 271:1063-1071, Jan 2024. URL: https://doi.org/10.1007/s00415-024-12186-7, doi:10.1007/s00415-024-12186-7. This article has 24 citations and is from a domain leading peer-reviewed journal.

  8. (xu2024variationinworldwide pages 4-7): Lu Xu, Chen Zhao, Yutong Bao, Yuchen Liu, Yuqing Liang, Jiyu Wei, Guozhen Liu, Jinxi Wang, Siyan Zhan, Shengfeng Wang, and Dongsheng Fan. Variation in worldwide incidence of guillain-barré syndrome: a population-based study in urban china and existing global evidence. Frontiers in Immunology, Sep 2024. URL: https://doi.org/10.3389/fimmu.2024.1415986, doi:10.3389/fimmu.2024.1415986. This article has 24 citations and is from a peer-reviewed journal.

  9. (jeong2024globalburdenof pages 1-2): Yi Deun Jeong, Seoyoung Park, Sooji Lee, Woojin Jang, Jaeyu Park, Kyeongmin Lee, Jinseok Lee, Jiseung Kang, Raphael Udeh, Masoud Rahmati, Seung Geun Yeo, Lee Smith, Hayeon Lee, and Dong Keon Yon. Global burden of vaccine-associated guillain-barré syndrome over 170 countries from 1967 to 2023. Scientific Reports, Oct 2024. URL: https://doi.org/10.1038/s41598-024-74729-2, doi:10.1038/s41598-024-74729-2. This article has 22 citations and is from a peer-reviewed journal.

  10. (jeong2024globalburdenof pages 8-8): Yi Deun Jeong, Seoyoung Park, Sooji Lee, Woojin Jang, Jaeyu Park, Kyeongmin Lee, Jinseok Lee, Jiseung Kang, Raphael Udeh, Masoud Rahmati, Seung Geun Yeo, Lee Smith, Hayeon Lee, and Dong Keon Yon. Global burden of vaccine-associated guillain-barré syndrome over 170 countries from 1967 to 2023. Scientific Reports, Oct 2024. URL: https://doi.org/10.1038/s41598-024-74729-2, doi:10.1038/s41598-024-74729-2. This article has 22 citations and is from a peer-reviewed journal.

  11. (jeong2024globalburdenof pages 3-4): Yi Deun Jeong, Seoyoung Park, Sooji Lee, Woojin Jang, Jaeyu Park, Kyeongmin Lee, Jinseok Lee, Jiseung Kang, Raphael Udeh, Masoud Rahmati, Seung Geun Yeo, Lee Smith, Hayeon Lee, and Dong Keon Yon. Global burden of vaccine-associated guillain-barré syndrome over 170 countries from 1967 to 2023. Scientific Reports, Oct 2024. URL: https://doi.org/10.1038/s41598-024-74729-2, doi:10.1038/s41598-024-74729-2. This article has 22 citations and is from a peer-reviewed journal.

  12. (jeong2024globalburdenof pages 5-8): Yi Deun Jeong, Seoyoung Park, Sooji Lee, Woojin Jang, Jaeyu Park, Kyeongmin Lee, Jinseok Lee, Jiseung Kang, Raphael Udeh, Masoud Rahmati, Seung Geun Yeo, Lee Smith, Hayeon Lee, and Dong Keon Yon. Global burden of vaccine-associated guillain-barré syndrome over 170 countries from 1967 to 2023. Scientific Reports, Oct 2024. URL: https://doi.org/10.1038/s41598-024-74729-2, doi:10.1038/s41598-024-74729-2. This article has 22 citations and is from a peer-reviewed journal.

  13. (jeong2024globalburdenof pages 4-5): Yi Deun Jeong, Seoyoung Park, Sooji Lee, Woojin Jang, Jaeyu Park, Kyeongmin Lee, Jinseok Lee, Jiseung Kang, Raphael Udeh, Masoud Rahmati, Seung Geun Yeo, Lee Smith, Hayeon Lee, and Dong Keon Yon. Global burden of vaccine-associated guillain-barré syndrome over 170 countries from 1967 to 2023. Scientific Reports, Oct 2024. URL: https://doi.org/10.1038/s41598-024-74729-2, doi:10.1038/s41598-024-74729-2. This article has 22 citations and is from a peer-reviewed journal.