期刊
APPLIED PHYSIOLOGY NUTRITION AND METABOLISM
卷 34, 期 1, 页码 60-65出版社
CANADIAN SCIENCE PUBLISHING
DOI: 10.1139/H08-132
关键词
downhill running; intermittent exercise; oxidative stress; liver
The aim of this study was to investigate the effect of different protocols of physical exercise on oxidative stress markers in mouse liver. Twenty-eight male CF1 mice (30-35 g) were distributed into 4 groups (n = 7)-untrained (UT), continuous running (CR), downhill running (D-HR), and intermittent running (IR)-and underwent an 8-week training program. Forty-eight hours after the last training session, the animals were killed, and their livers were removed. Blood lactate, creatine kinase, citrate synthase, thiobarbituric acid reactive species, carbonyl, superoxide dismutase (SOD), and catalase (CAT) activities were assayed. Results show a decrease in the level of lipoperoxidation and protein carbonylation in the CR and D-HR groups. SOD activity was significantly increased and CAT activity was reduced in the CR and D-HR groups. Our findings indicate that CR and D-HR may be important for decreasing oxidative damage and in the regulation of antioxidant enzymes (SOD and CAT) in the livers of trained mice.
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