Effect of Continues Training and High Intensity Interval Training on miR-۲۹a and CTGF Gene Expression in Male Wistar Diabetic Rats’ Heart Tissue
Publish place: Iranian Journal of Diabetes and Obesity، Vol: 8، Issue: 3
Publish Year: 1395
نوع سند: مقاله ژورنالی
زبان: English
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JR_IJDO-8-3_006
تاریخ نمایه سازی: 16 آبان 1402
Abstract:
Objective: High-intensity interval training (HIIT) and continues aerobic training (CT) have cardio-protective effects in diabetic rats. The functional role of microRNA in heart was studied. Only miR-۲۹a levels were found to correlate with cardiac fibrosis, This study tests the hypothesis that applying HIIT and CT cases miR-۲۹a increasing is associated with a reduction of connective tissue growth factor (CTGF) induced cardiac fibrosis.
Materials and Methods: In this randomized controlled trial, ۱۸ male diabetic rats were included. They were divided into ۳ groups called as HIIT, CT and control. Exercise protocol was performed ۵ days/week for ۵ weeks. The miR-۲۹a and CTGF synthesis were compared between the groups by real time- PCR.
Results: Our results demonstrated that elevation of miR-۲۹a using HIIT (۲.۶۷ , P=۰.۰۱۰,) or CT (۱.۷۹ , P=۰.۰۰۲) are effective in inhibiting CTGF (HIIT:۰.۱۷ P=۰.۰۰۰-CT:۰.۳۹ -induced cardiac fibrosis, suggesting that these types training would be selected as a new adjunctive therapy in the heart fibrosis- derived diabetic.
Discussion: The HIIT and CT showed increased levels of miR-۲۹a compared CT group which is shown to decrease CTGF level resulting into lowered fibrosis of heart tissue in diabetic patients.
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Authors
Mania Roozbayani
Ph.D. Department of Exercise Physiology, Islamic Azad University, Central Tehran Branch, Iran
Maghsoud Peeri
Professor of Exercise Physiology, Department of Exercise Physiology, Central Tehran Branch, Islamic Azad University, Tehran, Iran.
Hamid Agha-Alinejad
Associate Professor of Exercise Physiology, Department of Exercise Physiology, Central Tehran Branch, Islamic Azad University, Tehran, Iran.
Mohammad Ali Azarbayjani
Professor of Exercise Physiology, Department of Exercise Physiology, Central Tehran Branch, Islamic Azad University, Tehran, Iran.