Synthesis and secretion of matrix‐degrading metalloproteases by human skeletal muscle satellite cells

Abstract excerpt

The expression of matrix-degrading metalloproteases (MMPs) by human skeletal muscle satellite cells was investigated by zymography of cell culture media and by Northern blot analysis of mRNA prepared from satellite cells. Zymography in gelatin substrate gels revealed that satellite cells constitutively synthesize and secrete 72 kDa gelatinase (MMP-2). In addition, treatment of satellite cell cultures with phorbol...

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