Title : Effects of HBV X gene and arsenic trioxide on the expression of p53 in cultured HepG2 cells.

Pub. Date : 2007 Dec 20

PMID : 18167198






9 Functional Relationships(s)
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1 Effects of HBV X gene and arsenic trioxide on the expression of p53 in cultured HepG2 cells. Arsenic Trioxide tumor protein p53 Homo sapiens
2 In recent years, effects of arsenic trioxide (As2O3) on the expression of p53 protein have been widely studied, while little is known about the activity of p53 protein. Arsenic Trioxide tumor protein p53 Homo sapiens
3 In recent years, effects of arsenic trioxide (As2O3) on the expression of p53 protein have been widely studied, while little is known about the activity of p53 protein. Arsenic Trioxide tumor protein p53 Homo sapiens
4 This study was undertaken to delineate the effect of HBV X gene and As2O3 on p53 protein expression (level and activity) in HepG2 cells by small hairpin RNA (shRNA)-mediated RNA interference (RNAi) technique. Arsenic Trioxide tumor protein p53 Homo sapiens
5 The effect of As2O3 on p53 protein expression and activity was re-observed. Arsenic Trioxide tumor protein p53 Homo sapiens
6 RESULTS: Total p53 protein level was up-regulated and its relative activity ratio was enhanced by As2O3 in HepG2 and HepG2-X cells. Arsenic Trioxide tumor protein p53 Homo sapiens
7 The total p53 protein level induced by As2O3 was up-regulated by HBV X gene expression, while its relative activity was significantly suppressed. Arsenic Trioxide tumor protein p53 Homo sapiens
8 CONCLUSIONS: As2O3 up-regulates p53 protein expression and enhance its activity. Arsenic Trioxide tumor protein p53 Homo sapiens
9 HBV X up-regulates As2O3 induced-p53 protein expression while suppresses its activity. Arsenic Trioxide tumor protein p53 Homo sapiens