Article ; Online: Presence of anti-Ro/SSA antibody may be associated with anti-aquaporin-4 antibody positivity in neuromyelitis optica spectrum disorder.
Journal of the neurological sciences
2015 Volume 348, Issue 1-2, Page(s) 132–135
Abstract: ... syndrome and anti-Ro/SSA antibody (SSA-Ab) positivity in Asian populations.: Objective: We evaluated ... the clinical significance of anti-Ro/SSA antibody positivity in patients with NMO spectrum disorder (NMOSD ...
Abstract | Background: Neuromyelitis optica (NMO) is often associated with systemic autoimmune diseases or serological markers of non-organ-specific autoimmunity, and has been most frequently associated with Sjögren's syndrome and anti-Ro/SSA antibody (SSA-Ab) positivity in Asian populations. Objective: We evaluated the clinical significance of anti-Ro/SSA antibody positivity in patients with NMO spectrum disorder (NMOSD). Methods: We retrospectively collected data from 106 consecutive patients with NMOSD and reviewed clinical features and laboratory findings. All patients underwent tests for SSA-Ab and anti-aquaporin-4 antibody (AQP4-Ab) using cell-based indirect immunofluorescence assays. Results: Among 106 patients, 20 (18.9%) were positive for SSA-Ab. Of 48 AQP4-Ab-positive patients, 18 (37.5%) had SSA-Ab. AQP4-Ab seropositivity was 90.0% in patients positive for SSA-Ab, and 32.6% in patients without SSA-Ab (p<0.001). Presence of SSA-Ab was associated with systemic autoimmune diseases, including Sjögren's syndrome (p<0.001) and systemic lupus erythematosus (p=0.003), and with the presence of non-organ-specific autoantibodies such as anti-nuclear antibody and anti-dsDNA antibody in patients with NMOSD, but was not associated with annualized relapse rate or final Expanded Disability Status Scale score independent of AQP4-Ab positivity. Conclusion: We found that the presence of SSA-Ab was highly associated with seropositivity for AQP4-Ab in patients with NMOSD. |
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MeSH term(s) | Adult ; Antibodies, Antinuclear/blood ; Aquaporin 4/immunology ; Autoantibodies/blood ; Female ; Humans ; Lupus Erythematosus, Systemic/immunology ; Male ; Middle Aged ; Neuromyelitis Optica/immunology ; Sjogren's Syndrome/immunology |
Chemical Substances | AQP4 protein, human ; Antibodies, Antinuclear ; Aquaporin 4 ; Autoantibodies ; SS-A antibodies |
Language | English |
Publishing date | 2015-01-15 |
Publishing country | Netherlands |
Document type | Journal Article ; Research Support, Non-U.S. Gov't |
ZDB-ID | 80160-4 |
ISSN | 1878-5883 ; 0022-510X ; 0374-8642 |
ISSN (online) | 1878-5883 |
ISSN | 0022-510X ; 0374-8642 |
DOI | 10.1016/j.jns.2014.11.020 |
Database | MEDical Literature Analysis and Retrieval System OnLINE |
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