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Iranian Journal of Diabetes and Obesity، جلد ۱۷، شماره ۱، صفحات ۴۰-۴۷
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عنوان انگلیسی Relationship between Changes in Serum Insulin with Hepatic Expression of PEPCK, G6Pase and HNF4α in Response to Resistance Training in Diabetic Rats with High-Fat Diet and STZ
چکیده انگلیسی مقاله Objective: Genetic studies indicate that available insulin influences the activity or expression of hepatic gluconeogenic genes. This study aimed to assess the effect of resistance exercise program on gluconeogenic genes expression and their change relation with insulin in response to training.
Materials and Methods: 18 male wistar rats by 6 weeks high-fat diet were studied. Type 2 diabetes was induced by intraperitoneal injection of STZ (25 mg/dl) in 14 rats. Finally, the studied rats were selected into 3 groups: 1) non-diabetic, 2) control diabetic, 3) resistance diabetic. Rats in the resistance group participated in a 6-week resistance training in the form of climbing a step ladder with resistance and other groups remained none-training. ANOVA statistical test used to compare glucose, insulin and hepatic expression of PEPCK, G6Pase and HNF4α between groups. Correlation between insulin changes and gene expression was determined by Spearman's correlation test.
Results: Serum insulin significantly increased following resistance training intervention (P= 0.043). A significant decrease was also observed in fasting glucose (P= 0.001) and hepatic expression of PEPCK (P= 0.001), G6Pase (P= 0.001) and HNF4α (P= 0.011) compared to control diabetes rats. Significant inverse correlation was observed in the change of insulin with HNF4α (P= 0.001), PEPCK (P= 0.013) and G6Pase (P= 0.043) in response to resistance training.
Conclusion: Resistance training is associated with changes in the expression of gluconeogenic genes, and these changes can probably be attributed to changes in serum insulin.
 
کلیدواژه‌های انگلیسی مقاله Diabetes, Resistance Training, Gluconeogenic genes, Insulin
نویسندگان مقاله | Mojtaba Eizadi
Assistant Professor of Exercise Physiology, Saveh Branch, Islamic Azad University, Saveh, Iran.


| Sayed Sadegh Salehi
PHD Candidate, Department of Exercise physiology, Islamshahr Branch, Islamic Azad University, Tehran, Iran.


| Mohammad Rashidi
Assistant Professor of Exercise Physiology, Semnan Branch, Islamic Azad University, Semnan, Iran.
نشانی اینترنتی http://ijdo.ssu.ac.ir/browse.php?a_code=A-10-30-437&slc_lang=en&sid=1
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