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Journal of Southern Medical University ; (12): 1408-1409, 2009.
Article Dans Chinois | WPRIM | ID: wpr-268746

Résumé

<p><b>OBJECTIVE</b>To investigate the effects of transforming growth factor beta (TGF ) on c-fos gene expression in hepatic stellate cells.</p><p><b>METHODS</b>Hepatic stellate cells (HSC-T6) were cultured in the medium containing different concentrations of TGF (0.2, 1, and 5 ng/ml), and cells were collected at different time points of incubation (8, 24, 48, and 72 h). The total RNA of the HSCs was isolated and c-fos gene expression level were measured by reverse transcription polymerase chain reaction.</p><p><b>RESULTS</b>c-fos gene expression levels of HSCs cultured in the presence of low (0.2 ng/ml), moderate (1 ng/ml) and high (5 ng/ml) concentrations of TGF for 8, 24, 48 and 72 h were significantly greater than those of control group. The c-fos gene expression levels of HSCs increased gradually with the increment of TGF concentration, and significant differences in c-fos gene expression were found between the 3TGF groups.</p><p><b>CONCLUSION</b>TGF strongly up-regulates c-fos gene expression in hepatic stellate cells.</p>


Sujets)
Animaux , Rats , Cellules cultivées , Expression des gènes , Gènes fos , Cellules étoilées du foie , Protéines proto-oncogènes c-fos , Génétique , Métabolisme , Facteur de croissance transformant bêta , Pharmacologie
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