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Original Articles

mRNA Expression of MT1-MMP, MMP-9, Cathepsin K, and TRAP in Highly Enriched Osteoclasts Cultured on Several Matrix Proteins and Ivory Surfaces

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Pages 1771-1773 | Received 08 Feb 2000, Accepted 01 May 2000, Published online: 22 May 2014
 

Abstract

We demonstrated that the transcriptional expression of MT1-MMP, MMP-9, cathepsin K, and TRAP in highly enriched osteoclasts were regulated by different matrix proteins that bind to integrin on osteoclast, such as collagen type I (CoI), fibronectin (FN), vitronectin (VN), osteopontin (OPN), and ivory. Results suggested that the OPN-integrin αVβ3 binding plays a more important role than CoI-α2β1 binding in the regulation of osteoclast activity.

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