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Observations on chronic polyarthritis in monkeys

E G Bywaters

    Journal of the Royal Society of Medicine
    |November 1, 1981
    PubMed
    Summary

    Histological examination of rhesus monkeys revealed erosion and inflammation in joints, closely mimicking human rheumatoid arthritis. This study highlights the primate model

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    Area of Science:

    • Comparative pathology
    • Primate models in research
    • Rheumatoid arthritis research

    Background:

    • Rheumatoid arthritis (RA) is a chronic autoimmune disease.
    • Animal models are crucial for understanding RA pathogenesis.
    • Limited data exists on spontaneous inflammatory joint disease in non-human primates.

    Purpose of the Study:

    • To describe the pathological findings in a rhesus monkey with joint disease.
    • To compare these findings with human rheumatoid arthritis.
    • To review existing literature on similar conditions in primates.

    Main Methods:

    • Post-mortem examination of four limbs from one rhesus monkey (Macaca mulatta).
    • Histological analysis of carpal, finger, and toe joints.
    • Literature review of primate inflammatory arthropathies and amyloid disease.

    Main Results:

    • Observed significant erosion and inflammatory changes in the carpus, fingers, and toes.
    • Histological features closely resembled those of adult human rheumatoid arthritis.
    • The animal was part of a larger cohort of 152 monkeys.

    Conclusions:

    • The rhesus monkey exhibited spontaneous inflammatory joint disease.
    • The observed pathology serves as a potential model for human rheumatoid arthritis.
    • Further investigation into primate models for RA is warranted.

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