Fatty Acid Metabolism Disorder as a Factor in Atherogenesis

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Abstract

Background and aims: The study aims to analyze of fatty acid (FA) composition of arteries and blood plasma in atherosclerosis.

Material and method: The blood plasma in patients with coronary atherosclerosis was studied, the blood from healthy volunteers was used as control. There were also analyzed arteries of patients with severe atherosclerotic lesions and arteries of people with significantly less atherosclerotic changes.

Results: The received data indicates that there is a rather active penetration of FA from blood plasma lipoproteins into intima of arteries. Penetration of FA from blood lipoproteins into the depth of atherosclerotic aorta and an atherosclerotic plaque appears to be small and does not effect on their fatty acid composition, which is similar to that of free FA of blood plasma. The evidence of the increased activity of desaturases and fatty acid synthases in atherosclerotic and intact arteries in patients with severe atherosclerotic vascular lesions was obtained. This increase in activity may be related by relatively low content of polyunsaturated linoleic acid in blood plasma in atherosclerosis.

Conclusions: The increased activity of desaturases and fatty acid synthases as well as arterial wall hypoxia must promote accumulation of lipids in vascular wall by increasing the synthesis and inhibition of FA oxidation including free FA coming from blood.

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Romanian Journal of Diabetes Nutrition and Metabolic Diseases

The Journal of Romanian Society of Diabetes Nutrition and Metabolic Diseases

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CiteScore 2018: 0.19

SCImago Journal Rank (SJR) 2018: 0.128
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