The Effect of 14 Week of Endurance Activity on miR-1 Expression of Left Ventricle in Male Wistar Rats
Author(s):
Abstract:
miR-1 is involved in many cellular processes including muscle hypertrophy (skeletal and cardiac). Endurance activities also cause cardiac hypertrophy. Therefore, the aim of this study was to investigate the effect of endurance activity on cardiac expression of miR-1. For this purpose, 14 rats were maintained under controlled conditions (temperature, light/dark (12:12) cycle, with ad libitum access to food and water) and randomly assigned to control and experimental groups after they were familiarized with the training protocol. The experimental group performed an (14 weeks) endurance training program on a treadmill; then, 48 hours after the end of the last session, they were anesthetized and sacrificed and their heart and left ventricle were removed. To determine the cardiac miR-1 expression, Real time-PCR method was used. The obtained data were evaluated using t test. Results showed no significant differences in the mean of cardiac miR-1 expression between the two groups (P =0.191). The endurance activity had no significant effects on cardiac miR-1 expression. It is likely that changes in miR-1, although low, appear in proteins level of target genes.
Keywords:
endurance activity , heart , left ventricle , miR , 1
Language:
Persian
Published:
Sport Biosciences, Volume:8 Issue: 28, 2016
Pages:
65 to 75
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