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Clin Sci (Lond). 1988 Apr;74(4):407-12.

Hepatic cholesterol synthesis and esterification in rats after chronic ethanol feeding.

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  • 1Division of Clinical Cell Biology, MRC Clinical Research Centre, Harrow, Middlesex, U.K.

Abstract

1. Chronic (5 weeks) alcohol-fed and isocaloric glucose pair-fed control rats had similar body weights, liver weights and liver protein contents. 2. Hepatic esterified cholesterol and triacylglycerol levels were two- to three-fold higher in alcohol-fed rats than in controls. 3. Hepatic cholesterol synthesis rates measured in vivo with 3H2O were significantly reduced in alcohol-fed rats. 4. Hepatic 3-hydroxy-3-methylglutaryl-CoA reductase (NADPH) (EC 1.1.1.34) activity was increased and the apparent Km for 3-hydroxymethyl-3-glutaryl-CoA was decreased in alcohol-fed rats. 5. Hepatic acyl-CoA:cholesterol acyltransferase (cholesterol acyltransferase; EC 2.3.1.26) activity was significantly increased in alcohol-fed rats. 6. These results indicate that there is no direct relationship between 3-hydroxy-3-methylglutaryl-CoA reductase activity and sterol synthesis in liver of alcohol-fed rats.

PMID:
3356114
[PubMed - indexed for MEDLINE]
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