Cartilage Oligomeric Matrix Protein Protects Cells against Death by Elevating Members of the IAP Family of Survival Proteins

Abstract excerpt

Cartilage oligomeric matrix protein (COMP) is a component of cartilage, synovium, ligament, and tendon, yet its normal function is largely unknown. To identify its function we have expressed it in 293 and HeLa cell lines and in primary human chondrocytes. We find that COMP protects these cells against death, either in the presence or absence of tumor necrosis factor alpha and is able to block activation of...

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