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Updated: May 4, 2026
09:29
Induction of Paralysis and Visual System Injury in Mice by T Cells Specific for Neuromyelitis Optica Autoantigen Aquaporin-4
Published on: August 21, 2017
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Immunopathogenesis of neuromyelitis optica
Michael Levy1, Brigitte Wildemann2, Sven Jarius2
1Department of Neurology, Johns Hopkins University, Baltimore, Maryland, USA.
Advances in Immunology
|January 7, 2014
Summary
Neuromyelitis optica (NMO) is an autoimmune disease affecting optic nerves and the spinal cord. Autoantibodies to aquaporin-4 (AQP4-Ab) are key, distinguishing NMO from multiple sclerosis.
Area of Science:
- Neuroimmunology
- Autoimmune diseases
- Neurology
Background:
- Neuromyelitis optica (NMO), also known as Devic's syndrome, presents with optic neuritis and myelitis.
- Untreated NMO typically follows a relapsing course, leading to severe disability like blindness and paralysis.
- NMO is increasingly recognized as a distinct autoimmune condition separate from multiple sclerosis.
Purpose of the Study:
- To review current knowledge on the pathogenesis of NMO.
- To highlight the role of autoantibodies to aquaporin-4 (AQP4-Ab) in NMO.
- To discuss the involvement of immune cells in NMO development.
Main Methods:
- Comprehensive literature review.
- Analysis of existing research on NMO pathogenesis.
- Synthesis of findings regarding AQP4-Ab, B cells, T cells, and innate immunity.
Main Results:
- Autoantibodies to aquaporin-4 (NMO-IgG/AQP4-Ab) are found in 70-80% of NMO patients.
- AQP4-Ab discovery has established NMO as an autoimmune disease.
- The review consolidates understanding of immune system components in NMO pathogenesis.
Conclusions:
- NMO is an autoimmune disorder characterized by optic neuritis and myelitis.
- Aquaporin-4 autoantibodies are a critical diagnostic and pathogenic marker for NMO.
- Understanding the roles of B cells, T cells, and innate immunity is crucial for NMO management.
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