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The effect of Tet-on gene regulated HIF-1?expression on hepatoma cell apoptosis in vitro / 中国普通外科杂志
Chinese Journal of General Surgery ; (12)2000.
Artigo em Chinês | WPRIM | ID: wpr-528692
ABSTRACT
Objective To investigate the effects of Tet-on gene regulated HIF-1?expression on cell apoptosis of hepatoma cells in vitro. Methods The apoptosis of hepatocellular carcinoma cell lines HePG2 was measured after HIF-1?expression was activated in HePG2 in vitro by Tet-on expression system. Results The amplified products were confirmed as the cDNA of HIF-1?by DNA sequencing, and obtained pTHE-HIF-1?was verified by endonuclease digestion. The HePG2Tet-on cells express HIF-1?constantly. After being incubated under different concentrations of doxycycline for 48 h, HIF-1?gene could inhibit HePG2 cell apoptosis. The apoptosis rates were 59. 6%、50. 9%、38. 1%、30. 5%、23. 9%、18. 3% respectively when the concentrations of doxycycline were 0?g/ml,0. 02?g/ml,0. 2?g/ml、1?g/ml、2?g/ml,5?g/ml (P

Texto completo: DisponíveL Índice: WPRIM (Pacífico Ocidental) Idioma: Chinês Revista: Chinese Journal of General Surgery Ano de publicação: 2000 Tipo de documento: Artigo

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Texto completo: DisponíveL Índice: WPRIM (Pacífico Ocidental) Idioma: Chinês Revista: Chinese Journal of General Surgery Ano de publicação: 2000 Tipo de documento: Artigo