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Updated: Apr 19, 2026

Induction of Paralysis and Visual System Injury in Mice by T Cells Specific for Neuromyelitis Optica Autoantigen Aquaporin-4
Published on: August 21, 2017
[Evolution of Devic's neuromyelitis optica spectrum disorders].
Raphaël Bernard-Valnet1, Romain Marignier2
1Centre de physiopathologie de Toulouse Purpan, Inserm U1043, CNRS, UMR 5282, 31024 Toulouse cedex 03, France.
Neuromyelitis optica (NMO) is an autoimmune disease targeting the optic nerve and spinal cord, often marked by aquaporin-4 autoantibodies (AQP4-Ab). Understanding AQP4-Ab is key to diagnosing and treating this condition.
Area of Science:
- Neuroimmunology
- Autoimmune disorders
- Central nervous system inflammation
Context:
- Neuromyelitis optica (NMO) is a rare inflammatory CNS disorder.
- Recent advances have significantly improved NMO understanding and care.
- Aquaporin-4 autoantibodies (AQP4-Ab) are a hallmark of NMO.
Purpose:
- To review the evolving understanding of NMO.
- To discuss the role of AQP4-Ab in NMO pathophysiology.
- To explore current and emerging therapeutic strategies for NMO.
Summary:
- NMO definition is shifting towards a biological basis (aquaporinopathy) due to AQP4-Ab.
- AQP4-Ab contributes to NMO via neuroinflammation and neuromodulation.
- Effective NMO relapse prevention involves immunosuppression targeting B-cells, distinct from MS therapies.
- Seronegative NMO patients present unique features, necessitating further research.
Impact:
- Advances in NMO diagnostics and treatment.
- Improved patient outcomes through targeted therapies.
- Highlights the need for research into seronegative NMO cases.
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