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  백광현 2004-11-03 22:35:46, Hit : 2696
홈페이지   http://biomedicine.net
제 목   Integrin (Journal of Pharmacy and Pharmacology)
Inhibitory effect of salmosin, a Korean snake venom-derived disintegrin, on integrin av-mediated proliferation of SK-Mel-2 human melanoma cells. (2003) J. Pharm. Pharmacol. 55: 1577-1582.

We have investigated the inhibitory effect of salmosin on integrin-mediated human tumour cell proliferation. SK-Mel-2 human melanoma cell adhesion to denatured collagen or vitronectin was found to be significantly and statistically inhibited by salmosin in a dose-dependent manner (P<0.05). Moreover, the binding of SK-Mel-2 cells to salmosin-coated plates was specifically disrupted by anti-integrin alphav monoclonal antibody at 8 microg mL(-1), but not by anti-integrin monoclonal antibody. These findings indicated that salmosin inhibited the adhesion of SK-Mel-2 cells to denatured collagen by specifically blocking integrin alphav. The proliferation of SK-Mel-2 cells on a denatured collagen-coated plate was statistically and significantly inhibited by salmosin induced apoptosis in a dose-dependent manner (P<0.05). Anti-integrin alphav monoclonal antibody, anti-integrin alphavbeta3 monoclonal antibody, and synthetic RGD peptide also suppressed SK-Mel-2 cell proliferation. Several lines of experimental evidence strongly suggested that the inhibition of SK-Mel-2 cell proliferation by salmosin was due to the induction of apoptosis via the blocking of integrin alphav-mediated cell survival.

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