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Chinese Journal of Hepatology ; (12): 920-923, 2010.
Artigo em Chinês | WPRIM | ID: wpr-360797

RESUMO

<p><b>OBJECTIVE</b>To investigate the effect of hepatitis B virus(HBV) X gene on the expression of SPG21.</p><p><b>METHODS</b>The expressions of SPG21 mRNA and protein in HepG2 and HepG2.2.15 cells were tested by RT-PCR and western blot. HepG2 cells were co-transfected with reporter plasmid pGL3-SPG21 and plasmids carrying individual genes of HBV, the luciferase activity was measured and the expressions of SPG21 were detected by RT-PCR and western blot.</p><p><b>RESULTS</b>The expressions of SPG21 mRNA and protein were higher in HepG2.2.15 cells than in HepG2 cells (0.36+/-0.06 vs 0.21+/-0.05, P value is less than 0.05). The activity of SPG21 in HepG2 cells transfected with pCMV-X was higher (875+/-27 vs 67+/-12, P value is less than 0.01) as compared to blank control group (transfected with pCMV-tag2B). HBV X gene enhanced SPG21 gene promoter activity, SPG21 mRNA expression and SPG21 protein production in HepG2 cells in a dose-dependent manner.</p><p><b>CONCLUSION</b>HBV X gene can specially activate SPG21 expression.</p>


Assuntos
Humanos , Proteínas Adaptadoras de Transdução de Sinal , Genética , Metabolismo , DNA Viral , Genética , Células Hep G2 , Vírus da Hepatite B , Genética , RNA Mensageiro , Genética , Transativadores , Genética , Transfecção
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