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  • Title: [Comparative analysis of the lipid-protein spectrum of lipoproteins and fatty acid composition of lipids in plasma and erythrocytes of native populations of Chukotka and Moscow].
    Author: Gerasimova EN, Levachev MM, Ozerova IN, Polesskiĭ VA, Shcherbakova IA, Metel'skaia VA, Kulakova SN, Astakhova TI, Nikitin IuP, Perova NV.
    Journal: Vopr Med Khim; 1989; 35(5):7-11. PubMed ID: 2617942.
    Abstract:
    A lower content of total cholesterol, triglycerides, cholesterol of low density lipoproteins (LDL) and apo B as well as a higher content of cholesterol in high density lipoproteins (HDL) were found in coast and continental Chuckchee land inhabitants as compared with moscowites, which are dissimilar in consumption of polyunsaturated fatty acids n-3. At the same time, the lower content of total cholesterol, LDL cholesterol and higher concentration of HDL cholesterol were detected in blood plasma of coast inhabitants as compared with continental residents of the Chuckchee land, while content of apo B and triglycerides was similar. Concentration of apoA-I was the same in all three groups of the persons examined. The diet of coast Chuchkchee land inhabitants, involving the higher level of unsaturated fatty acids n-3, resulted in the higher ratio between HDL cholesterol and apoA-I, in the higher part of unsaturated fatty acids n-3 in blood plasma lipids (phospholipids and cholesterol esters) and erythrocytes; it led to a relative increase of sphingomyelin and phosphatidyl-ethanolamine and to a decrease of phosphatidylcholine in HDL subfractions. The data obtained suggest that the diet, enriched with polyunsaturated fatty acids n-3, exhibited the generalized effect on fatty acid composition of a number of cell membranes and, hence, on their functions.
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