淸肝解酒湯이 CYP2E1-transfected HepG2 cell에서 알코올유발 세포독성에 미치는 영향
The Effects of Chungganhaeju-tang(Qingganjiejiu-tang) on Alcohol induced Cytotoxicity in CYP2E1-transfected HepG2 cells
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Abstract
ABSTRACT The Effects of Chungganhaeju-tang(Qingganjiejiu-tang) on Alcohol-induced Cytotoxicity in CYP2E1-transfected HepG2 cells. Ji-Eun Lee, Jang-Hoon Lee, Young-Chul Kim, Hong-Jung Woo Department of Internal Medicine, College of Oriental Medicine, Kyung Hee University Objectives : Induction of CYP2E1 by ethanol is believed to be one of the major mechanism by which ethanol generate a state of oxidative stress. Previous studies showed that treatment with Chungganhaeju-tang prevents hepatic inflammation and apoptosis in alcoholic liver disease. The purpose of our study is to determine if Chungganhaeju-tang can also protect against alcohol-induced cytotoxicity in CYP2E1-transfected HepG2 cells. Materials and Methods : CYP2E1-transfected HepG2 cells and control vector-transfected HepG2 cells were exposed for isx hours to Chungganhaeju-tang, and then 50 mM of ethanol was added and left for two days. Results : Ethanol significantly decreased cell viability in CYP2E1-transfected HepG2 cells and increased apoptosis. These alterations were attenuated by Chungganhaeju-tang. This was accompanied by an improvement of NF-κB and Akt activation. Conclusion : These results suggest that Chungganhaeju-tang exerts inhibitory effect against the cytotoxicity induced by alcohol in CYP2E1-transfected HepG2 cells, and that this is a protective action due, at least in part, to an activation of NF-κB that plays a key role in the protection mechanism, and in reducing hepatotoxic cytokine gene expression.
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