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One of the reasons for the increase in disability and mortality among the working population is cardiovascular diseases. Long-term studies of the nature of diseases belonging to this group hypertension, renovascular and malignant arterial hypertension, dyslipidemia, diabetic and dilatational cardiomyopathy, atherosclerosis, ischemic heart disease show that the main cause of pathogenesis is the formation of oxidative stress under the influence of internal and external environmental factors. Mismatch between the processes of free-radical oxidation caused by such active oxygen species as superoxide-anion radical, hydroxide-radical radical, lipid radical, hydrogen peroxide, peroxynitrite, chloric acid and the capabilities of the antioxidant system leads to a disruption of the functional activity of cell structures, displacement of homeostatic balance in the body. Despite the rather deep study of cardiovascular system pathologies, data on the functional activity of myocardial cells under destructive effects and oxidative stress are still insufficient.The article presents the study of the interrelation of the concentration distribution of enzymes of the lipidantioxidant peroxidation system in blood serum and skeletal muscle tissue of white non-pedigree rats. By means of Spearman, Gamma and Kendel Tau correlation coefficients it was revealed a reliable presence of a weak force of inverse correlation between the concentration of catalase in blood serum and skeletal muscle (Spearman R = -0.21 at p &lt; 0.011749, Gamma = -0.14 at p &lt; 0.010977; Kendall Tau = -0.14 at p &lt; 0.010977).

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Innovative approaches to identifying the relationship between the distribution of the concentration of enzymes in the blood serum and skeletal muscle tissue of rats