Myelin-oligodendrocyte glycoprotein antibodies in adults with a neuromyelitis optica phenotype
- PMID: 22914827
- DOI: 10.1212/WNL.0b013e31826aac4e
Myelin-oligodendrocyte glycoprotein antibodies in adults with a neuromyelitis optica phenotype
Abstract
Objectives: To report an association of myelin-oligodendrocyte glycoprotein (MOG) antibodies with aquaporin-4 (AQP4) antibody-seronegative neuromyelitis optica (NMO) and neuromyelitis optica spectrum disorder (NMOSD) in adults.
Methods: We describe the clinical and serologic features of 4 adult patients with an NMO/NMOSD phenotype who had antibodies to MOG.
Results: Twenty-seven adult AQP4-seronegative NMO/NMOSD patients were tested for MOG antibodies. Four patients (3 male, 1 female) with severe optic neuritis and/or longitudinally extensive transverse myelitis were positive. All 4 made good recoveries with steroids or plasma exchange. Two patients experienced recurrence of symptoms when corticosteroids were withdrawn quickly but none have experienced further relapses over a mean follow-up of 12 months, although 3 patients remain on treatment. Imaging abnormalities resolved fully following clinical recovery and MOG antibody titers fell in all 4 patients. MOG antibodies were not found in 44 AQP4 antibody-positive NMO/NMOSD patients, 75 adult patients with multiple sclerosis, or 47 healthy individuals.
Conclusions: MOG antibody-associated NMO/NMOSD could account for some cases thought previously to be AQP4-seronegative NMO/NMOSD. Our 4 patients appear to have more favorable clinical outcomes than those with typical AQP4 antibody-mediated disease. However, further studies of NMO/NMOSD and other demyelinating conditions are required to help clarify the diagnostic and prognostic relevance of MOG antibodies.
Comment in
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Antibodies to MOG in NMO: a seasoned veteran finds a new role.Neurology. 2012 Sep 18;79(12):1198-9. doi: 10.1212/WNL.0b013e31826aadaf. Epub 2012 Aug 22. Neurology. 2012. PMID: 22914829 No abstract available.
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