CATHEPSIN-B IN SYNOVIAL-CELLS AT THE SITE OF JOINT DESTRUCTION IN RHEUMATOID-ARTHRITIS

被引:0
|
作者
TRABANDT, A [1 ]
GAY, RE [1 ]
FASSBENDER, HG [1 ]
GAY, S [1 ]
机构
[1] WHO,MAINZ,GERMANY
来源
ARTHRITIS AND RHEUMATISM | 1991年 / 34卷 / 11期
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中图分类号
R5 [内科学];
学科分类号
1002 ; 100201 ;
摘要
Based on the concept that proteolytic enzymes, like cathepsins, are associated with tissue destruction, we investigated the expression of the matrix-degrading cysteine proteinase cathepsin B in synovial tissues from the joints of patients with rheumatoid arthritis. The data indicate an enhanced transcription of cathepsin B in synovial cells when compared with normal fibroblasts, cathepsin B-producing epithelial tumor cells (SW1116), or fibroblasts derived from inflamed tonsils. Immunolocalization of cathepsin B appeared to be restricted mainly to the synovial cells attached to cartilage and bone at sites of rheumatoid joint erosion.
引用
收藏
页码:1444 / 1451
页数:8
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