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Updated: Jun 4, 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
[Clinical variability in neuromyelitis optica: three case reports].
F Ayuga-Loro1, A Teijeira-Azcona
1Hospital Nacional de Paraplejicos, 45071 Toledo, Espana. fernandoayugaloro@hotmail.com
Neuromyelitis optica (NMO) presents with diverse clinical features, challenging traditional diagnostic views. This spectrum highlights varied patient demographics, symptoms, and antibody statuses, impacting treatment responses.
Area of Science:
- Neurology
- Immunology
Background:
- Neuromyelitis optica (NMO) is an autoimmune disorder affecting the central nervous system.
- Traditionally characterized by optic neuritis and transverse myelitis, NMO's presentation is increasingly recognized as a spectrum.
Observation:
- Case 1: Middle-aged woman with recurrent transverse myelitis, normal MRI, and negative NMO antibodies.
- Case 2: Young woman with sequential optic neuritis and myelitis, positive NMO antibodies, and good recovery.
- Case 3: Elderly woman with multiple transverse myelitis episodes followed by optic neuritis, negative NMO antibodies, and no brain lesions.
Findings:
- NMO exhibits significant heterogeneity in clinical presentation, age of onset, and disease course.
- Aquaporin-4 antibody status (NMO-IgG) varied across cases, influencing diagnostic certainty.
- Diagnostic criteria for NMO continue to evolve, encompassing a broader range of clinical scenarios.
Implications:
- The NMO spectrum necessitates individualized diagnostic and treatment approaches.
- Understanding NMO heterogeneity is crucial for accurate diagnosis and effective management.
- Further research is needed to elucidate the underlying mechanisms of NMO's diverse manifestations.
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