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Title: Organ and tissue-dependent effect of resveratrol and exercise on antioxidant defenses of old mice
Authors: Bui, Thanh Tung
Nguyen, Hai Thanh
Le, Thi Thu Huong
Keywords: Antiaging;Antioxidant;Resveratrol;Exercise;Old mice
Issue Date: 2015
Publisher: Springer
Abstract: BACKGROUND: Oxidative stress has been considered one of the causes of aging. For this reason, treatments based on antioxidants or those capable of increasing endogenous antioxidant activity have been taken into consideration to delay aging or age-related disease progression. AIM: In this paper, we determine if resveratrol and exercise have similar effect on the antioxidant capacity of different organs in old mice. METHODS: Resveratrol (6 months) and/or exercise (1.5 months) was administered to old mice. Markers of oxidative stress (lipid peroxidation and glutathione) and activities and levels of antioxidant enzymes (SOD, catalase, glutathione peroxidase, glutathione reductase and transferase and thioredoxin reductases, NADH cytochrome B5-reductase and NAD(P)H-quinone acceptor oxidoreductase) were determined by spectrophotometry and Western blotting in different organs: liver, kidney, skeletal muscle, heart and brain. RESULTS: Both interventions improved antioxidant activity in the major organs of the mice. This induction was accompanied by a decrease in the level of lipid peroxidation in the liver, heart and muscle of mice. Both resveratrol and exercise modulated several antioxidant activities and protein levels. However, the effect of resveratrol, exercise or their combination was organ dependent, indicating that different organs respond in different ways to the same stimulus. CONCLUSIONS: Our data suggest that physical activity and resveratrol may be of great importance for the prevention of age-related diseases, but that their organ-dependent effect must be taken into consideration to design a better intervention.
ISSN: 1594-0667
Appears in Collections:SMP - Papers / Tham luận HN-HT

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