Document Type : Research Paper I Open Access I Released under (CC BY-NC) license
Authors
1 PhD Student, Department of Physical Education and Sport Sciences, Science and Research Branch, Islamic Azad University, Tehran, Iran
2 Assistant Professor, Science and Research Branch, Islamic Azad University, Tehran, Iran,
3 Professor of Shahid Beheshti University
4 Associate professor, tehran university
Abstract
Background: A main reason of death in diabetes is cardiovascular diseases, which apoptosis plays a critical role through the progress. As known, body exercises can avoid damaging effects of apoptosis on human heart. This study is investigating the effects of resistance exercises in a period of 8 weeks on cardiomyocyte apoptosis status in streptozotocin induced diabetic rats..
Materials and methods:20 male wistar rats with age of 8 weeks and 210-250 g weight randomly allocated into two groups. Diabetes was induced by a single intraperitoneal injection of STZ (50 mg/kg) in diabetic groups. The resistance training carried out a step ladder, load of 30-100 percentage of weight whereas control group remained sedentary. Measuring training adaptations blood and heart tissue samples were taken bout The level of the serum glucose, insulin, insulin resistance index, and gene expression levels Bcl-2,Bax,caspase8 and the ratio of bax/ Bcl-2 were assessed.
Results: Implementation of 8 weeks of resistance exercise resulted significant decrease in gene expression levels Bax and the ratio of bax/ Bcl-2 (p=0/000)and a significant increase in Bcl-2(p=0/000) and caspase 8 (p=0/004) compare with control group in diabetic rats.
Conclusion: The results show that resistance exercise may be used as a non‐pharmacological strategy to reduce the diabetes‐induced apoptosis in the heart in diabetes disease.
Keyword:Type 2 diabetes,apoptosis,resistance exercise, gene expression
Keywords
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