Title : Concanavalin A produces a matrix-degradative phenotype in human fibroblasts. Induction and endogenous activation of collagenase, 72-kDa gelatinase, and Pump-1 is accompanied by the suppression of the tissue inhibitor of matrix metalloproteinases.

Pub. Date : 1990 Dec 5

PMID : 2174435






2 Functional Relationships(s)
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1 In comparison, 12-O-tetradecanoylphorbol-13-acetate (50 ng/ml, 8 x 10(-8) M), which also stimulates collagenase expression strongly (greater than 30-fold), elevated TIMP protein and mRNA levels (2- and 3-fold, respectively) and did not affect MMP-2 expression. Tetradecanoylphorbol Acetate TIMP metallopeptidase inhibitor 1 Homo sapiens
2 The changes in MMP and TIMP mRNA levels induced by ConA were blocked by the protein synthesis inhibitor cycloheximide, and the half-lives of collagenase and MMP-2 mRNAs (53 and 46 h, respectively) were unaffected, indicating that ConA exerts its effects transcriptionally, through pathways requiring de novo protein synthesis. Cycloheximide TIMP metallopeptidase inhibitor 1 Homo sapiens