Inhibitory Effects of Glycyrrhetic Acid and Its Related Compounds on 3.ALPHA.-Hydroxysteroid Dehydrogenase of Rat Liver Cytosol.
نویسندگان
چکیده
منابع مشابه
Dexamethasone regulation of the rat 3alpha-hydroxysteroid/dihydrodiol dehydrogenase gene.
Rat liver 3alpha-hydroxysteroid/dihydrodiol dehydrogenase (3alpha-HSD/DD), a member of the aldo-keto reductase superfamily, inactivates circulating steroid hormones and may contribute to the carcinogenicity of polycyclic aromatic hydrocarbons (PAHs) by oxidizing trans-dihydrodiols to reactive o-quinones with the concomitant generation of reactive oxygen species. The 3alpha-HSD/DD gene has been ...
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Rat Y' bile acid binders (33 kD) have been previously recognized as cytosolic bile acid binding proteins (Sugiyama, Y., T. Yamada, and N. Kaplowitz, 1983, J. Biol. Chem., 258:3602-3607). We have now determined that these Y' binders are 3a-hydroxysteroid dehydrogenases (3a-HSD), bile acid-metabolizing enzymes. 3aHSD activity copurified with lithocholic acid-binding activity after sequential gel ...
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The NADP+-dependent dehydrogenase activity of a predominant isoenzyme of human liver 3alpha-hydroxysteroid dehydrogenase was activated by antihyperlipidemic drugs, such as bezafibrate and clinofibrate, and by clofibric acid and fenofibric acid (active metabolites of clofibrate and fenofibrate, respectively). The optimal pH of the activation by the drugs was about 7.5, and the concentrations giv...
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ژورنال
عنوان ژورنال: Chemical and Pharmaceutical Bulletin
سال: 1992
ISSN: 0009-2363,1347-5223
DOI: 10.1248/cpb.40.1208