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Anticancer research

Nafoxidine modulates the expression of matrix-metalloproteinase-2 (MMP-2) and tissue inhibitor of metalloproteinases-1 (TIMP-1) in endothelial cells.


PMID 10769686

Abstract

During angiogenesis, proteases and their inhibitors interact in the remodelling of the basement membrane. It has been demonstrated that nafoxidine has antiangiogenic activity in the chick egg chorioallantoic membrane assay, but the precise mechanism of action is unknown. We have analyzed the effect of the partial estrogen antagonist nafoxidine on human umbilical vein endothelial cells (HUVEC). Our data indicated that in nafoxidine-treated endothelial cells MMP-2 was activated. Nafoxidine upregulated, in a dose-dependent manner, the secretion of a 66 kDa TIMP-1 dimer, that lacks anti-MMP activity and inhibited angiogenesis in the endothelial cord formation assay. We can postulate that nafoxidine induces an increase in TIMP-1, which has antiangiogenic activity in the late stages of tube formation, independent of its capacity to inhibit MMPs.

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PZ0118
Nafoxidine hydrochloride, ≥98% (HPLC)
C29H31NO2 · HCl