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Updated: May 3, 2026

Induction of Paralysis and Visual System Injury in Mice by T Cells Specific for Neuromyelitis Optica Autoantigen Aquaporin-4
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Neuromyelitis optica (Devic's syndrome).

Dean M Wingerchuk1, Brian G Weinshenker2

  • 1Department of Neurology, Mayo Clinic, Scottsdale, AZ, USA.

Handbook of Clinical Neurology
|February 11, 2014
PubMed
Summary
This summary is machine-generated.

Neuromyelitis optica (NMO) is an autoimmune disease targeting the optic nerve and spinal cord. Aquaporin-4 autoantibodies are key biomarkers, aiding diagnosis and understanding NMO

Keywords:
Neuromyelitis opticaaquaporin-4astrocyteclinical featuresoptic neuritistransverse myelitis

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Area of Science:

  • Neuroimmunology
  • Central Nervous System Disorders

Background:

  • Neuromyelitis optica (NMO) is a relapsing inflammatory demyelinating disease.
  • It primarily affects the optic nerves and spinal cord, but can involve the brain.
  • NMO is distinct from multiple sclerosis, particularly in its clinical course.

Purpose of the Study:

  • To summarize the understanding of Neuromyelitis optica (NMO).
  • To highlight the role of aquaporin-4 autoantibodies in NMO diagnosis and pathogenesis.
  • To outline current management strategies for NMO.

Main Methods:

  • Review of existing literature on NMO.
  • Analysis of the diagnostic significance of aquaporin-4 autoantibodies.
  • Evaluation of therapeutic approaches for NMO attacks and prevention.

Main Results:

  • Aquaporin-4 IgG1 autoantibodies are pathogenic and present in most NMO patients.
  • Biomarker detection expanded the spectrum of NMO-related disorders.
  • NMO is characterized by acute attacks, not progressive disability like MS.
  • Corticosteroids and plasma exchange manage acute attacks.
  • Immunotherapies like azathioprine, mycophenolate mofetil, and rituximab are effective for prevention.

Conclusions:

  • Aquaporin-4 autoantibodies are crucial for NMO diagnosis and understanding its pathology.
  • NMO management requires specific treatments distinct from those for multiple sclerosis.
  • Effective immunotherapies can prevent relapses in NMO patients.