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The effect of HGF-mediated Skp2 down-regulation on suppression of proliferation of human hepatocellular carcinoma cells / 中国普通外科杂志
Chinese Journal of General Surgery ; (12)2001.
Article Dans Chinois | WPRIM | ID: wpr-532532
ABSTRACT
Objective To investigate the effect of hepatocyte growth factor(HGF)on the proliferation of human hepatocellualr carcinoma cells,and the mechanism of HGF-induced proliferation inhibition.Methods Human hepatocellualr carcinoma cell line HepG2 were treated with different concentrations of HGF for different time periods,and the proliferation of these cells was examined by colorimetric BrdU cell proliferation enzyme-linked immunosorbent assay.The expression of S-phase kinase associated protein 2(Skp2)was examined using Western blot and RT-PCR.Plasmids pcDNASkp2 was introduced into HepG2 cells,then the clones showing up-regulation of Skp2 were selected,and the effect of HGF on the proliferation in these clones was investigated.Results HGF inhibited the proliferation of hepatoma cells in a dose and time dependent manner.The expression of Skp2 was significantly suppressed by HGF.Furthermore,HGF did not suppress the proliferation of HepG2 cells transfected with Skp2.Conclusions This study suggests that HGF could inhibit HepG2 cell proliferation,and the down-regulation of Skp2 could be closely related to this suppressed proliferation.

Texte intégral: Disponible Indice: WPRIM (Pacifique occidental) langue: Chinois Texte intégral: Chinese Journal of General Surgery Année: 2001 Type: Article

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Texte intégral: Disponible Indice: WPRIM (Pacifique occidental) langue: Chinois Texte intégral: Chinese Journal of General Surgery Année: 2001 Type: Article