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Original Article
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Volume 299:327-332 August 17, 1978 Number 7
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Cellular sensitivity to collagen in rheumatoid arthritis
DE Trentham, RA Dynesius, RE Rocklin, and JR David

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Abstract

We examined patients with rheumatoid arthritis for cellular sansitivity to native human Types I, II and III collagens. Mononuclear cells from 50 patients with rheumatoid arthritis, 21 with other inflammatory arthritides, 20 with osteoarthritis and 20 normal subjects were evaluated for the in vitro production of leukocyte inhibitory factor in response to collagen and a control antigen, streptokinase-streptodornase. By this assay, cells from 37 (74 per cent) and 39 (78 per cent) of the patients with rheumatoid arthritis responded to Types II and III collagens, respectively. In contrast, cells from the 41 patients with other kinds of arthritis and the normal group did not produce this lymphokine to collagens. There was no response to Type I collagen or to denatured alpha chains of these collagens. All four groups responded equivalently to streptokinase-streptodornase. These data demonstrate that most patients with rheumatoid arthritis exhibit cellular sensitivity to Types II and III collagens.

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