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  1. Prevalence and clinical relevance of 52-kDa and 60-kDa Ro/SS-A autoantibodies in Japanese patients with systemic sclerosis.

    Article - En anglais

    Objective

    To determine the prevalence of 52-Kda and 60-Kda Ro/SS-A autoantibodies in serum samples from Japanese patients with systemic sclerosis (SSc).

    Methods-Serum samples from 263 Japanese patients with SSc were examined by double immunodiffusion and enzyme linked immunosorbent assay (ELISA).

    Results

    By double immunodiffusion, 29 serum samples from patients with SSc were found to possess anti-Ro/SS-A antibodies.

    By ELISA, 31 serum samples were positive for anti-Ro52 and/or anti-Ro60.

    Of 27 serum samples that were positive by both methods, 15 reacted with both Ro52 and Ro60, five with Ro52 alone, and seven with Ro60 alone.

    Eleven of 12 patients with both anti-Ro52 and anti-Ro60 and all five patients with anti-Ro52 alone had Sjögren's syndrome, while only one of six patients with anti-Ro60 alone had this disorder.

    Conclusions-Anti-Ro52 may be a serological marker for the presence of Sjögren's syndrome in anti-Ro/SS-A-positive patients with SSc.

    Mots-clés Pascal : Sclérodermie, Pathogénie, Autoanticorps, Anticorps, Sérum, Exploration, Technique ELISA, Immunodiffusion, Marqueur biologique, Epidémiologie, Prévalence, Symptomatologie, Sjogren syndrome, Homme, Peau pathologie, Tissu conjonctif pathologie, Maladie système, Maladie autoimmune, Immunopathologie, Oeil pathologie, Stomatologie, Antigène Ro/SSA

    Mots-clés Pascal anglais : Scleroderma, Pathogenesis, Autoantibody, Antibody, Serum, Exploration, ELISA assay, Immunodiffusion, Biological marker, Epidemiology, Prevalence, Symptomatology, Sjogren syndrome, Human, Skin disease, Connective tissue disease, Systemic disease, Autoimmune disease, Immunopathology, Eye disease, Stomatology

    Logo du centre Notice produite par :
    Inist-CNRS - Institut de l'Information Scientifique et Technique

    Cote : 98-0036633

    Code Inist : 002B07. Création : 17/04/1998.