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Cell Journal، جلد ۲۳، شماره ۷، صفحات ۷۵۶-۷۶۲
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عنوان انگلیسی Moderate Aerobic Training Inhibits Middle-Aged Induced Cardiac Calcineurin-NFAT Signaling by Improving TGF-ß, NPR-A, SERCA2, and TRPC6 in Wistar Rats
چکیده انگلیسی مقاله Objective
The purpose of this study was to investigate the effect of moderate-intensity training on the calcineurin/ nuclear factor of activated t-cells (NFAT) pathway and factors affecting it in the middle-age Wistar rats.
Materials and Methods
In this experimental study, 40 young (n=10, 4-month-old) and middle-aged (n=30, 13-15 months old) Wistar rats were included in this experimental study. All young and 10 middle-aged rats did not training and served as a control comparision; while the remaining 20 middle-aged rats were trained at moderate intensity for 4-weeks (n=10) or 8-weeks (n=10) on a treadmill (speed: 16 m/minutes, slope: 0%, distance: 830 m, duration: 54 minutes).
Results
Calcineurin tissue expression was increased in the middle-aged control rats compared to the young control rats (P=0.001). Expression of sarco/endoplasmic reticulum Ca2+ -ATPase (SERC2A), natriuretic peptide receptor-A (NPR-A), phospholamban (PLB), plasma membrane Ca2+ ATPase (PMCA4b), and p-AKT was significantly decreased in the heart tissue of middle-aged control compared to the young control rats (P=0.001). Furthermore, transforming growth factor beta (TGF-β), including transient receptor potential canonical 6 (TRPC6), were up-regulated in the heart tissue of middle-aged control compared to the young control rats (P=0.001). However, aerobic training inhibited this pathway and reversed all changes in the trained middle-aged rats.
Conclusion
Aerobic training effectively inhibited the calcineurin/NFATc pathway and modulated intracellular Ca2+ levels at least partially by restoring NPR-A, SERCA2, p-PLB, and p-AKT, and decreasing TRPC6 and TGF-β levels.
کلیدواژه‌های انگلیسی مقاله NPR, A, SERCA, TGF, β, TRPC6
نویسندگان مقاله Behrouz Baghaiee |
Department of Physical Education and Sport Science, Jolfa Branch, Islamic Azad University, Jolfa, Iran

Roshanak Bayatmakoo |
Department of Biochemistry, School of Medicine, Tabriz Branch, Islamic Azad University, Tabriz, Iran

Pouran Karimi |
Neuroscience Research Center, Tabriz University of Medical Sciences, Tabriz, Iran

Linda Shannon Pescatello |
4Department of Kinesiology, College of Agriculture, Health and Natural Resources, University of Connecticut, Connecticut, USA

نشانی اینترنتی https://www.celljournal.org/article_250773_a0386c8115871472b80ae91583084680.pdf
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