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类风湿关节炎中滑膜衬里细胞增生的可能起源。

Possible origin of synovial lining cell hyperplasia in rheumatoid arthritis.

作者信息

Howat D W

机构信息

Division of Cellular Biology, Kennedy Institute of Rheumatology, London.

出版信息

J R Soc Med. 1987 Aug;80(8):477-8. doi: 10.1177/014107688708000805.

Abstract

A perplexing feature of rheumatoid arthritis is the increase in the number of synovial lining cells with no mitotic activity. This feature has been investigated in the rabbit model. Rabbits with the established condition were injected into the affected joint with tritiated thymidine and killed either up to 24 hours later, or at 3 or 7 days. The location of labelled cells, detected by autoradiography, showed the label predominantly in the stroma in the former, and mainly in the lining cells in the latter, indicating that the lining cells were derived by recruitment from active cells deep in the stroma.

摘要

类风湿性关节炎一个令人费解的特征是滑膜衬里细胞数量增加,且无有丝分裂活性。这一特征已在兔模型中进行了研究。将患有该疾病的兔子的患侧关节注射氚标记的胸腺嘧啶核苷,然后分别在24小时内、3天或7天后处死。通过放射自显影检测标记细胞的位置,结果显示,前者标记主要在基质中,而后者主要在衬里细胞中,这表明衬里细胞是由基质深处的活跃细胞募集而来。

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