Interrelation between Malonyl Dialdehyde-Dependent Modification and Cholesterol Content in Low-Density Lipoproteins
2010
Tikhaze, A. K | Viigimaa, M | Konovalova, G. G | Kumskova, E. M | Abina, E. A | Zemtsovskaya, G | Yanushevskaya, E. V | Vlasik, T. N | Lankin, V. Z
Epidemiological study of an independent representative sample of population revealed a strong positive correlation between the content of oxidized (MDA-modified) LDL and concentration of atherosclerosis biomarkers (total cholesterol and LDL cholesterol) in blood plasma from 348 probands. The correlation between these parameters was more significant in atherosclerotic patients, but was less pronounced in probands with diabetes mellitus. The correlation between the concentration of atherosclerosis markers and content of MDA was absent in probands with diabetes mellitus. These data attest to the presence of LDL-modifying agents differing from MDA (e.g., glyoxal and methylglyoxal) in the blood of diabetes mellitus patients. We conclude that the content of MDA-modified LDL can serve as an additional biomarker of atherosclerosis.
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