The Effect of Resistance Training on the Expression of Cardiac Muscle Growth Regulator Messenger Genes in Obese Male Rats

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MOINI A.; FARSI S.; HOSEINI S.A.; MEHRZAD M.

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Journal: Armaghane Danesh Year:2020 | Volume:24 | Issue:5 ((2) 136) Page(s): 935-949

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Title

The Effect of Resistance Training on the Expression of Cardiac Muscle Growth Regulator Messenger Genes in Obese Male Rats

Author(s)

MOINI A. | FARSI S. | HOSEINI S.A. | MEHRZAD M. | Issue Writer Certificate

Keywords

Cardiac muscleQ1

ObesityQ2

Resistance TrainingQ1

Abstract

Background & aim: Obesity is associated with cardiovascular disease and may lead to pathological cardiac hypertrophy, but physical activity (Resistance Training) modulates some intracellular signaling pathways associated with the regulation of hypertrophy. The aim of the present study was to determine and evaluate the effect of Resistance Training on the expression of cardiovascular regulatory genes in obese male rats. Methods: In the present experimental study which was conducted in 2016, 18 male Sprague Dawley rats were divided into 3 groups of healthy control, Obesity control and Resistance Training, after eight weeks of using high fat diet. The rats were dissected 48 hours after exercise protocol and their heart muscle was separated. The expression of genes (AMPK, mTOR, S6K, 4EBP, COL1, COL3, AngII) was determined by Real time-PCR technique. The amount of transgene was calculated by CT-2Δ Δ method. Data were analyzed by statistical tests. Independent t-test, Kolmogorov-Smirnov and one-way ANOVA were used for data analysis. Results: The results indicated that the Resistance Training group compared to the control group showed an increase in expression of mTOR(p=0. 003), 4EBP (p=0. 004), which was not statistically significant. On the other hand, expression of S6K (p=0. 002) AMPK (p=0. 008) increased significantly. Also, there was a decrease in the expression of collagen 1 (p=0. 003), collagen 3 (p=0. 001) Ang II (p=0. 001) which were statistically significant. Conclusion: Obesity in rats seemed to induce cardiac pathological hypertrophy and accelerate the process of cardiac senescence, but Resistance Training, which was a suitable replacement, partially reduced the negative effects of Obesity on cardiac function in the process of cardiac senescence.

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APA: Copy

MOINI, A., FARSI, S., HOSEINI, S.A., & MEHRZAD, M.. (2020). The Effect of Resistance Training on the Expression of Cardiac Muscle Growth Regulator Messenger Genes in Obese Male Rats. ARMAGHAN DANESH, 24(5 ((2) 136) ), 935-949. SID. https://sid.ir/paper/367366/en

Vancouver: Copy

MOINI A., FARSI S., HOSEINI S.A., MEHRZAD M.. The Effect of Resistance Training on the Expression of Cardiac Muscle Growth Regulator Messenger Genes in Obese Male Rats. ARMAGHAN DANESH[Internet]. 2020;24(5 ((2) 136) ):935-949. Available from: https://sid.ir/paper/367366/en

IEEE: Copy

A. MOINI, S. FARSI, S.A. HOSEINI, and M. MEHRZAD, “The Effect of Resistance Training on the Expression of Cardiac Muscle Growth Regulator Messenger Genes in Obese Male Rats,” ARMAGHAN DANESH, vol. 24, no. 5 ((2) 136) , pp. 935–949, 2020, [Online]. Available: https://sid.ir/paper/367366/en

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