{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,5]],"date-time":"2026-10-05T01:53:14Z","timestamp":1791165194747,"version":"4.1.0"},"reference-count":45,"publisher":"Wiley","issue":"2","license":[{"start":{"date-parts":[[2004,10,7]],"date-time":"2004-10-07T00:00:00Z","timestamp":1097107200000},"content-version":"vor","delay-in-days":7372,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Annals of Neurology"],"published-print":{"date-parts":[[1984,8]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:p>In 76 muscle specimens (normal controls, 9; Duchenne dystrophy, 11; scleroderma, 11; dermatomyositis, 13; polymyositis, 15; inclusion body myositis, 17), mononuclear cells were analyzed at perivascular, perimysial, and endomysial sites of accumulation. Monoclonal antibodies reactive for B cells, T cell subsets, killer (K) or natural killer (NK) cells, and the Ia antigen were used for cell typing. Macrophages were identified by the acid phosphatase reaction. Few extravascular mononuclear cells occurred in normal muscle. In all inflammatory myopathies, a mixed exudate of T cells, B cells, and macrophages was present. Mature K\/NK cells were rare in all diseases. In dermatomyositis, polymyositis, and inclusion body myositis, there was a positive gradient for T cells, T8<jats:sup>+<\/jats:sup> cells, and activated T cells and a negative gradient for B cells and T4<jats:sup>+<\/jats:sup> cells between perivascular and endomysial sites. In scleroderma the predominant perimysial exudate consisted mostly of T cells and macrophages. The percentage of B cells at all sites, and the T4<jats:sup>+<\/jats:sup>\/T cell ratio in the endomysium, were significantly higher in dermatomyositis than in the other diseases. In polymyositis and inclusion body myositis. The endomysial exudate contained a large number of T cells, T8<jats:sup>+<\/jats:sup> cells, and activated T cells but only sparse B cells. T cells accompanied by macrophages focally surrounded and invaded nonnecrotic fibers in polymyositis and inclusion body myositis. Rare fibers in Duchenne dystrophy and a very few fibers in dermatomyositis and scleroderma were similarly affected. We infer that (1) T\u2010B, T\u2010T, and T\u2010macrophage cooperativities are likely to exist in muscle in different myopathies; (2) T cell\u2010mediated fiber injury plays a role in polymyositis and inclusion body myositis; (3) T cell\u2013mediated fiber injury can also occur in inherited diseases, such as Duchenne dystrophy; and (4) a local humoral response may occur in muscle in dermatomyositis and possibly in polymyositis and inclusion body myositis.<\/jats:p>","DOI":"10.1002\/ana.410160206","type":"journal-article","created":{"date-parts":[[2005,1,1]],"date-time":"2005-01-01T17:13:04Z","timestamp":1104599584000},"page":"193-208","source":"Crossref","is-referenced-by-count":524,"title":["Monoclonal antibody analysis of mononuclear cells in myopathies. 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