Synovial fluid (SF) and synovial tissue from 10 patients with juvenile rheumatoid arthritis were examined. The SFs were heterogeneous with respect to the degree of complement activation. Quantification of C3dg and the terminal complement complex revealed a positive correlation between activation of
Ia+ T Cells in Synovial Fluid And Tissues of Patients with Rheumatoid Arthritis
β Scribed by Gerd R. Burmester; David T. Y. Yu; Anne-Marie Irani; Henry G. Kunkel; Robert J. Winchester
- Publisher
- John Wiley and Sons
- Year
- 1981
- Tongue
- English
- Weight
- 607 KB
- Volume
- 24
- Category
- Article
- ISSN
- 0004-3591
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β¦ Synopsis
Abstract
Markedly elevated levels of T cells expressing Ia antigens were found in the synovial membranes and synovial fluids of patients with rheumatoid arthritis. The primary increase in expression of the la antigens was on the OKT 8+ (suppressor/cytotoxic) T cell subset. In addition, the total percentage of OKT 8+ T cells in intraarticular sites was usually greater than levels in peripheral blood. Small numbers of OKT 4+ (helper/inducer) cells bearing la antigens were also identified. The characteristic increase in the Ia+ T cells in peripheral blood was not encountered in most patients treated with Dβpenicillamine.
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