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  • Title: Altered acylation of erythrocyte phospholipids in alcoholism.
    Author: Gastaldi M, Lerique B, Feugère T, Le Petit-Thévenin J, Nobili O, Boyer J.
    Journal: Alcohol Clin Exp Res; 1988 Jun; 12(3):356-9. PubMed ID: 3044162.
    Abstract:
    The composition and metabolism of erythrocyte lipids were studied in 10 chronic alcoholic patients within 48 hr after discontinuation of alcohol intake and in 10 nonalcoholic control subjects. Chronic alcoholism produced no change in contents of cholesterol, total phospholipids, and proportions of phosphatidylcholine and phosphatidylethanolamine in erythrocyte phospholipids. The mean values of the rates of acylation of phosphatidylcholine and phosphatidylethanolamine with oleic acid were increased respectively by 59% (p less than 0.001) and 38% (p less than 0.05) as compared with the controls. There was no correlation between acylation rates and mean cellular volumes. Increases in acylation rates normalized over several weeks after alcohol withdrawal and were not related to a direct effect of alcohol on the intact erythrocyte, suggesting that these alterations result from ethanol-induced changes in the membrane during erythrocyte formation. The increased rates of acylation might modify the remodeling of the lipid matrix and thereby the membrane function.
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