PMID: 3744718Jan 1, 1986Paper

Induction of arthritic processes by synovial fluids of rheumatoid arthritis patients in long-term experiments with mice

International Journal of Tissue Reactions
G PartschR Eberl

Abstract

Diluted synovial fluids derived from three patients with rheumatoid arthritis (RA) and applied subcutaneously once as a single dose in Swiss mice caused arthritic processes after a long period of latency (10 months). The arthritis-inducing effect was enhanced by storing the original synovial fluids at 4 degrees C for three months. The effects were followed histologically for at least 18 months. In contrast to the theory that RA is based on immunological processes, these preliminary observations support the finding of other authors that a transmissible agent which is rather slow-acting exists in the synovial fluid of RA patients.

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