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Development of an Ethanol-induced Fibrotic Liver Model in Zebrafish to Study Progenitor Cell-mediated Hepatocyte Regeneration
Published on: May 13, 2016
Human hepatocytes are protected from ethanol-induced cytotoxicity by DADS via CYP2E1 inhibition
Masashi Shimada1, Liegang Liu, Natascha Nussler
1Department of General-, Visceral-, and Transplantation Surgery, Charite, Campus Virchow, Humboldt-University of Berlin, Augustenburger Platz 1, 13353 Berlin, Germany.
Abstract:
We investigated the protective effects of diallyl disulfide (DADS), a potent inhibitor of cytochrome P450 2E1 (CYP2E1), on ethanol-induced toxicity in human hepatocytes. We found a clear dose-dependent response between ethanol and CYP2E1 activity. The ethanol-dependent CYP2E1 enzyme activity and protein expression, lactate dehydrogenase and aspartate transaminase release, malondialdehyde formation and caspase-3 activity decreased dramatically in the presence of DADS. Furthermore, DADS increased the hepatocellular glutathione (GSH) content and prevented the ethanol-dependent cellular GSH depletion. Our data show that DADS reduces ethanol-induced toxicity in human hepatocytes by reducing CYP2E1 activity and/or stabilizing the cellular GSH content, which might be of therapeutic interest.
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