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[The Positional Isomers of Palmitic and Oleic Triglycerides, Lipolysis, Conformation of apoB-100, Formation of apoE/B-100 Ligand and Absorption of Lipoproteins of Very Low Density by Insulin-Dependent Cells Under Action of Statins]

[The Positional Isomers of Palmitic and Oleic Triglycerides, Lipolysis, Conformation of apoB-100, Formation of apoE/B-100 Ligand and Absorption of Lipoproteins of Very Low Density by Insulin-Dependent Cells Under Action of Statins]

V N Titov, A V Yakimenko, M Yu Kotlovskii, A V Aripovskii, G P Smirnov, P P Malishev

Klin Lab Diagn. 2016;61(11):736-743.

PMID: 31532941

Abstract:

The study was carried out to trace back quantitative alterations of positional isomers, oleic and palmitic triglycerides and individual fatty acids in blood serum. After two weeks of taking of Simvastatin (40, 80 mg), analysis of blood serum established decreasing of content of Рhosphatidylcholine and more reliable decreasing of amount of non-etherized alcohol cholesterol. No alterations of content of particular fatty acids were detected. In apoB-100, Рhosphatidylcholine and non-etherized alcohol cholesterol form polar mono-layer; it covers mass of oleic and palmitic triglycerides that was bound by apoB-100 in oleic and palmitic lipoproteins of very low density disturbing bio-availability of substrate (oleic and palmitic triglycerides) for post-heparin lipase. This very pool of non-etherized alcohol cholesterol is inhibited by statins activating lipolysis in oleic and palmitic lipoproteins of very low density. In blood was detected amount of palmitic positional isomersin oleic and palmitic triglycerides (palmitoyl-palmitoyl-palmitate and palmitol-palmitoyl-oleate) and oleic positional isomers (oleyl-oleyl-palmitate and oleyl-oleyl-oleate). The significant difference was marked in content of positional isomers both of oleyl-oleyl-oleate and oleyl-oleyl-palmitate; their content is less in blood of patients of experimental group as compared with healthy people. In case of treatment with Simvastatin (40 mg) the level of palmitic positional isomers and palmitol-palmitoyloleate is decreased. In case of treatment with Simvastatin (80 mg) significant decreasing of positional isomers-palmitolpalmitoyl-oleate and oleyl-oleyl-palmitate as compared with data before treatment. The detection of content of positional isomers triglycerides permits: a) to characterize disorders of metabolism of palmitic fatty acid, oleic fatty acid, oleic and palmitic triglycerides and oleic and palmitic lipoproteins of very low density of the same name; b) to form individual diet therapy; c) to obtain objective information concerning compliance of prescribed recommendations b y patient. The basis of primary prevention of atherosclerosis and atheromatosis is in decreasing up to physiological level in food the content of longchained saturated fatty acids mainly palmitic acid.

Chemicals Related in the Paper:

Catalog Number	Product Name	Structure	CAS Number	Price
AP3687454-A	Oleyl oleate		3687-45-4	Price

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