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Iranian Journal of Medical Sciences، جلد ۴۹، شماره ۱۱، صفحات ۷۱۶-۷۲۳
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عنوان انگلیسی The Effect of Eight Weeks of High-Intensity Interval Training on Follistatin Gene Expression in the Fast and Slow Twitch Muscles of Rats with Myocardial Infarction
چکیده انگلیسی مقاله Background: Myocardial infarction causes mitochondrial atrophy and loss of function by reducing mitochondrial volume. Therefore, researchers are interested in finding a way to reduce the injuries and treat them. The study aims to evaluate the effect of 8 weeks of high-intensity interval training on follistatin (FST) gene expression in the fast and slow twitch muscles of rats with myocardial infarction. 
Methods: The study was conducted in 2020 at the Cardiac Research Center, Shahid Rajaei University of Medical Sciences (Tehran, Iran). For this purpose, 12 male Wistar rats with myocardial infarction were assigned to the experimental group high-intensity interval training (3 days a week for 30 min, each interval consisting of 4 min of running with 85-90% VO2max intensity and 2 min of active recovery with intensity of 50-60% VO2max for 8 weeks) and a control group. Then, the expression of follistatin in fast and slow twitch muscle contraction genes was investigated as triggers and inhibitors of muscle atrophy. Statistical data were analyzed with SPSS18 (α≥0.05). To determine the normality of the data, the Kolmogorov-Smirnov test was used, and in the case of normality of the data distribution, the independent samples t test was used.
Results: Independent t test results showed that FST gene expression in the slow twitch (ST) muscle contraction group was significantly decreased compared with the control group (P<0.001). Moreover, the expression of the FST gene in fast twitch muscles was significantly increased in the severe exercise group compared with the control group (P<0.001).
Conclusion: Overall, 8 weeks of intense intermittent exercise decreased FST gene expression in slow and fast twitch muscles in rats with myocardial infarction.
کلیدواژه‌های انگلیسی مقاله myocardial infarction,Muscular atrophy,Exercise,Gene expression
نویسندگان مقاله Edris Ramezani |
Department of Exercise Physiology, Lamerd Branch, Islamic Azad University, Lamerd, Iran

Mehran Ghahramani |
Department of Exercise Physiology, Gilan-E-Gharb Branch, Islamic Azad University, Gilan-E-Gharb, Iran

Hadi Ghaedi |
Department of Exercise Physiology, Lamerd Branch, Islamic Azad University, Lamerd, Iran

نشانی اینترنتی https://ijms.sums.ac.ir/article_50228_c24e2184d98bbce42cff3743a5f60e38.pdf
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