Volume 8, Number 4 (volume 8, number 4 2016)                   IJDO 2016, 8(4): 183-190 | Back to browse issues page


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Roozbayani M, Peeri M, Agha-Alinejad H, Azarbayjani M A. Type of Aerobic Training Effect on Cardiac Muscles MIR29A and Collagen I Gene Expression in Diabetic Male Rats. IJDO. 2016; 8 (4) :183-190
URL: http://ijdo.ssu.ac.ir/article-1-321-en.html

Coach of Exercise Physiology, Department of Exercise Physiology, Boroujerd, Islamic Azad University, Boroujerd, Iran.
Abstract:   (76 Views)
Objective: High intensity interval training (HIIT) and continues aerobic training have cardio-protective effects in diabetic rats. The aim of this study was to compare the effect of HIIT and continues aerobic training (CAT) on MIR29A and collagen I gene expression in heart of diabetic male rats.
Materials and Methods: In this randomized controlled clinical trial, 18 male diabetic rats were studied. They were divided into 3 groups as HIIT, CAT and control group. Exercise protocol was performed 5 days/week for 5 weeks. The MIR29A and collagen I synthesis were compared between the groups.
Results: Findings showed MIR29A expression is statistically higher in HIIT and CAT group than control group (P-value<0.001) and (P-value:0.053). Also MIR29A expression is significantly higher in HIIT group compared to CAT group (P-value:0.034). Collagen I expression was significantly lower in HIIT and CAT group compared to control group (P-value<0.001) and (P-value:0.001). Collagen I expression was lower in HIIT group compared to CAT group (P-value:0.027).
Discussion: The results of this study demonstrated that, HIIT increases MIR29A expression which is along with reduction in collagen I synthesis in cardiac muscles increases the risk of myocardial fibrosis in diabetic rats.

 
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Type of Study: Research | Subject: Special
Received: 2017/09/16 | Accepted: 2017/09/16 | Published: 2017/09/16

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