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Age-related peculiarities of change in content of free radical oxidation products in muscle during stress |
Vadim V. DAVYDOV1,*( ),Amjad HAMDALLAH2,Evgenya R. GRABOVETSKAYA3 |
1. Laboratory of Age Biochemistry State Institution Institute of Children and Adolescent Health NAMS of Ukraine, Kharkov, 61154, Ukraine 2. Chair of biochemistry V.N. Karazin Kharkov National University, Kharkov, 61077, Ukraine 3. Chair of medical chemistry Kharkov National Medical University, Kharkov, 61022, Ukraine |
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Abstract The age-dependent peculiarities of stimulation of free radical processes in subcellular fractions of skeletal muscle of rats subjected to long-term immobilization stress were studied in order to improve knowledge about changes of muscular tissue during ontogenesis. It is found that adult animals do not show accumulation of proteins carbonyls, TBA-reactive substances, and Schiff bases in subcellular fractions of the thigh muscle when immobilized. Long-term immobilization causes apparent manifestation of oxidative stress only in mitochondrial fraction in pubertal rats. Mitochondrial oxidative stress defense systems are sufficiently effective, however, direction of pathways of free radical oxidation carbonyl products catabolism alters in the cytoplasm of myocytes in old rats under long-term immobilization conditions.
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| Keywords
ontogenesis
stress
skeletal muscle
free radical oxidation
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Corresponding Author(s):
Vadim V. DAVYDOV
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Issue Date: 11 August 2014
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