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Effect of resistance training and garlic extract on insulin sensitivity/resistance and biochemical parameters in diabetic rats

于Comparative Exercise Physiology
著者:
M. Shaker Faculty of Science, Agriculture and New Technologies Shiraz Branch, Islamic Azad University, Shiraz, Iran.

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G.R. Khamisipour Department of Laboratory Sciences, Faculty of Allied Medicine, Bushehr University of Medical Sciences, Bushehr, Iran.

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H. Sadeghipour Department of Sport Science, School of Literature and Humanities, Persian Gulf University, Bushehr, Iran.

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A. Zar Department of Sport Science, School of Literature and Humanities, Persian Gulf University, Bushehr, Iran.

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B. Naeimi Department of Laboratory Sciences, Faculty of Allied Medicine, Bushehr University of Medical Sciences, Bushehr, Iran.

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S. Akbarzadeh Department of Biochemistry, Faculty of Medicine, Bushehr University of Medical Sciences, Bushehr, Iran.

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Diabetes is one of the most important endocrine diseases in the world and obesity is one of the risk factors for this disease. The aim of this study was to evaluate the effect of a resistance exercise and garlic extract on insulin sensitivity/resistance and signal pathway of white adipose tissue to brown factors in diabetic rats. A total of 48 male Wistar rats weighing 180 to 250 g were divided into six groups (n=8): healthy control (C), diabetic control (D), diabetic with garlic extract at a dose of 50 mg/kg body weight (bw) (D+50), diabetic with garlic extract dose of 200 mg/kg bw (D+200), diabetic resistance training (D+Ex), and diabetic resistance training with garlic extract dose of 200 mg/kg bw (D+Ex+200). Plasma irisin levels in the D+200 and D+Ex groups, as well as the D+Ex+200 group showed a significant increase compared to the D group (P<0.001), while in the D+50 group no significant change was observed. Compared with group D, the expression of peroxisome proliferator-activated receptor-gamma coactivator (PGC)-1α gene was significantly increased in groups D+200 and D+Ex, as well as group D+Ex+200 (P<0.001). It can be said that resistance exercise with garlic extract is effective in controlling diabetes and reducing its complications. It also increases the expression of PGC-1α and uncoupling protein 1 genes in white adipose tissue and therefore has a positive effect on beta cell function by irisin.

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