Inhibition of acyl-CoA: cholesterol acyltransferase decreases apolipoprotein B-100-containing lipoprotein secretion from HepG2 cells.

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Inhibition of acyl-CoA: cholesterol acyltransferase decreases apolipoprotein B-100-containing lipoprotein secretion from HepG2 cells.

There is evidence that the overproduction of apoB-100-containing lipoproteins by the liver is the underlying event in some forms of dyslipoproteinemia. This metabolic status is associated to an increased risk of developing premature coronary artery disease CAD. The conclusions from previous studies suggested that the availability to the hepatocytes of cholesterol that is readily esterified is a...

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Acyl coenzyme A: cholesterol acyltransferase (ACAT) is postulated to play a role in hepatic and intestinal lipoprotein secretion. There is accumulating evidence, both in vitro and in vivo, that cholesterol and/or cholesteryl ester availability can regulate hepatic VLDL secretion. How ACAT inhibition regulates the assembly and secretion of apolipoprotein (apo) B containing lipoproteins within th...

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Evidence for a Lack of Regulation of the Assembly and Secretion of Apolipoprotein B - containing Lipoprotein from HepG 2 Cells by

Although some previous studies have suggested that triglyceride, a major core lipid, plays a key role in the assembly and secretion of apolipoprotein B-containing lipoproteins from HepG2 cells, other reports have indicated the importance of cholesteryl ester, another core lipid. We attempted to better define the roles of triglyceride and cholesteryl ester in the assembly and secretion of apolip...

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Chronic renal failure (CRF) is associated with profound abnormalities of lipid metabolism and accelerated arteriosclerotic cardiovascular disease. In a recent study, we found marked downregulation of hepatic lecithin-cholesterol acyltransferase, or LCAT, expression, which can account for impaired HDL maturation and depressed HDL cholesterol concentration in CRF. Here, we report on the effect of...

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ژورنال

عنوان ژورنال: Journal of Lipid Research

سال: 1996

ISSN: 0022-2275

DOI: 10.1016/s0022-2275(20)37630-6