Invasive potential of human rheumatoid tenosynovial cells is in part MT1-MMP dependent.
PURPOSE: In rheumatoid arthritis, tenosynovial invasion of tendon is associated with an increased rate of tendon rupture and a worse clinical prognosis compared to noninvasive disease. Tendon is composed predominantly of type I collagen, which can be efficiently degraded by collagenolytic matrix metalloproteinases (MMPs), one of which, MT1-MMP, is membrane bound and inhibited by tissue inhibitor of metalloproteinase-2, but not by TIMP-1. The role of MT1-MMP in tendon disease is unknown. In th...Expand abstract
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