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:: Editorial Board
:: About Iranian Journal of Endocrinology and Metabolism
:: Volume 20, Issue 5 (2-2019) ::
2019, 20(5): 263-272 Back to browse issues page
The Role of NADPH Oxidase 2 in Regulating IL-15 and PGC-1α Gene Expressions Following a Period of High Intensity Interval Training
Leila Baghersad Renani , Ali Asghar Ravasi , Fatemeh Shabkhiz
University of Tehran , l.baghersad@gmail.com
Abstract:   (4693 Views)
Introduction: Following trainging, Reactive Oxygen Spices (ROS) play a crucial role in the regulation of signaling pathways and adaptions in skeletal muscle, including mitochondrial biogenesis and improvement in insulin sensitivity a ROS-induced physical activity can also stimulate myokine production in skeletal muscle. The aim of this work was hence to investigate the role of NADPH Oxidase-2 (NOX2), the main source of ROS generation, in contracting muscle in IL-15 gene expression, as well as anychanges in PGC-1α, as a key regulator of mitochondrial biogenesis, following a period of High-intensity Interval Training (HIIT). Materials and Methods: Mice were divided into four groups: Wild type (WT) control (WTc) and training (WTt), NOX-2 deficient (ND) control (NDc) and training (NDt). Training groups performed 6-week HIIT, including 2-min running intervals with 100% of their maximum running speed and 2-min rest with 30% of this speed for a total of 60 min; speed was increased 1m/min each week. IL-15, PGC-1α and NOX2 mRNA levels in gastrocnemius muscle were analyzed using Real time. Results: Basal levels of IL-15 mRNA in NDc group were significantly lower than the other groups. Relative gene expression in WTc, WTt, NDc and NDt changed for IL-15 1, 1.15, 0.49 and 0.99 and for PGC-1α 1, 1.73. 0.76 and 1.4 times, respectively in WTt. Post-training muscle PGC-1α mRNA levels increased significantly. Conclusion: Results indicate that IL-15 gene expression in mouse skeletal muscle is dependent on NOX2. And apparently NOX2 deficiency may result in impaired PGC-1α expression and subsequently diminished mitochondrial biogenesis.
Keywords: Reactive oxygen spices, NADPH Oxidase 2, IL-15, skeletal muscle, High intensity interval training
Full-Text [PDF 1075 kb]   (1138 Downloads)    
Type of Study: Original | Subject: Exercise
Received: 2018/10/6 | Accepted: 2019/01/6 | Published: 2019/02/15
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Baghersad Renani L, Ravasi A A, shabkhiz F. The Role of NADPH Oxidase 2 in Regulating IL-15 and PGC-1α Gene Expressions Following a Period of High Intensity Interval Training. Iranian Journal of Endocrinology and Metabolism 2019; 20 (5) :263-272
URL: http://ijem.sbmu.ac.ir/article-1-2479-en.html

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Volume 20, Issue 5 (2-2019) Back to browse issues page
مجله ی غدد درون‌ریز و متابولیسم ایران، دو ماهنامه  پژوهشی مرکز تحقیقات غدد درون‌ریز و متابولیسم، Iranian Journal of Endocrinology and Metabolism
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