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Obesity potentiates the severity of alcohol-induced liver damage. Ethanol influences adipose tissue production of hormones and cytokines. The mechanisms by which adiposity and ethanol interact to produce hepatic steatosis and steatohepatitis are beginning to be studied. Exacerbation of the...
Normal function of the peroxisome proliferator-activated receptor alpha (PPARα) is crucial for the regulation of hepatic fatty acid metabolism. Fatty acids serve as ligands for PPARα, and when fatty acid levels increase, activation of PPARα induces a battery of fatty acid–metabolizing...
Alcoholic fatty liver is the earliest and most common response of the liver to alcohol in heavy alcohol use, and it may be a precursor of more severe forms of liver injury. We and colleagues in our laboratory found that in two rat hepatoma cell lines, H4IIEC3 and McA-RH7777, ethanol markedly...
The pathogenesis of alcoholic steatosis is a complex process that is manifested through several mechanisms involving some of or all the following body metabolism components: increased fat synthesis, increased mobilization of depot fat, defective export of fat from the liver, and decreased fat...
Alcoholic liver disease is a major cause of illness and death in the United States. In the initial stages of the disease, fat accumulation in hepatocytes leads to the development of fatty liver (steatosis), which is a reversible condition. If alcohol consumption is continued, steatosis may...
Both dietary fatty acids and alcohol play an important role in the pathogenesis of alcoholic liver disease. Findings of studies in rats show a steatogenic role for dietary fat. A role for polyunsaturated fatty acids in alcoholic liver disease is supported by results of studies, which show that...
Donor organ shortage significantly hinders orthotopic liver transplantation therapy, the only effective treatment for chronic end-stage liver disease and acute liver failure. Further complicating this matter is the prevalence of steatosis in 13% to 50% of donor livers obtained from obese and...
In this article, subjects diagnosed with alcoholic liver disease are shown to have lower concentrations of several polyunsaturated fatty acids (PUFAs), including 18:2n6, 18:3n6, 20:3n6, 18:3n3, 22:5n3, and 22:6n3, but not 20:4n6 and 22:4n6, nor 22:5n6, in the total lipid extracts of their livers...
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