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Title: Arthritis confined to knee joints. Synovial lymphocyte responses to microbial antigens correlate with distribution of HLA. Author: Ford DK, da Roza DM, Ward RH. Journal: Arthritis Rheum; 1984 Oct; 27(10):1157-64. PubMed ID: 6487396. Abstract: The responses of synovial lymphocytes to Chlamydia/Ureaplasma and to enteric antigens were studied in 31 patients with arthritis confined to knee joints, 15 patients with sexually-transmitted Reiter's syndrome, 9 with enteric Reiter's syndrome, and 24 with rheumatoid arthritis. The frequency of HLA antigens was studied in 28 patients with knee joint arthritis; this group was characterized by elevated frequencies of HLA-A2 and DR1. A subgroup of 8 responders to Chlamydia/Ureaplasma was characterized by an increase of HLA-Bw44 and DR7 or 8, while a subgroup of 8 responders to enteric antigens was characterized by increases of HLA-A1 and DR5. The frequency of HLA-B27 in the groups responding to antigens was 25-30%, less than half the frequency in patients with Reiter's syndrome.[Abstract] [Full Text] [Related] [New Search]