Effect of high-intensity interval training and coenzyme Q۱۰ supplementation on cardiac apoptosis in obese male rats
Publish place: ARYA Atherosclerosis، Vol: 18، Issue: 2
Publish Year: 1401
نوع سند: مقاله ژورنالی
زبان: English
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شناسه ملی سند علمی:
JR_RYA-18-2_006
تاریخ نمایه سازی: 11 دی 1402
Abstract:
BACKGROUND: Obesity is associated with several metabolic disorders and myocardial apoptosis. The aim of this study was to determine the effect of high-intensity interval training (HIIT) and coenzyme Q۱۰ (CoQ۱۰) supplementation on myocardial apoptotic proteins in obese male rats.METHODS: Forty-eight male Wistar rats were randomly assigned to ۶ groups including non-obese control (NOC), baseline obese control (BOC), HIIT, CoQ۱۰, HIIT + CoQ۱۰, and control. NOC and BOC groups were sacrificed at the beginning of the study. Exercise groups were subjected to a HIIT program over ۱۲ weeks. Rats in CoQ۱۰ group were gavage-fed with ۵۰۰ mg/kg-۱ CoQ۱۰ supplement throughout the study. The heart muscle was removed ۴۸ hours after the last training session. The B-cell lymphoma-۲ (Bcl-۲), Bcl-۲-associated X protein (Bax), cytochrome c, BH۳-interacting domain death agonist (Bid), caspase-۸, and caspase-۳ protein expressions were analyzed using western blotting. Data were analyzed using independent t-test and two-way analysis of variance (ANOVA).RESULTS: The Bax, Bid, cytochrome c, caspase-۸, caspase-۳ proteins, and Bax/Bcl-۲ were significantly higher in BOC group compared to NOC (P = ۰.۰۲۵, P = ۰.۰۰۰۱, P = ۰.۰۱۳, P = ۰.۰۱۷, P = ۰.۰۱۰, P = ۰.۱۸۰, respectively). Moreover, Bcl-۲ protein was lower in BOC compared to NOC group (P = ۰.۰۲۵). HIIT program decreased Bax/Bcl-۲ ratio (P = ۰.۰۱۲), Bid (P = ۰.۰۰۰۱), cytochrome c (P = ۰.۰۰۳), caspase-۸ (P = ۰.۰۰۶), and caspase-۳ (P = ۰.۰۰۲) proteins and increased Bcl-۲ (P = ۰.۰۰۱) proteins in heart muscle. CoQ۱۰ supplementation significantly increased Bcl-۲ protein content (P = ۰.۰۰۱).CONCLUSION: HIIT exerts an anti-apoptotic effect in heart muscle of obese rats. Although the administration of CoQ۱۰ increased Bcl-۲ anti-apoptotic protein, it did not show a potent synergistic effect along with HIIT to reduce obesity-related myocardial apoptosis.
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Authors
Kameleh Astani
PhD Candidate, Department of Sport Sciences, Tabriz Branch, Islamic Azad University, Tabriz, Iran
Jabbar Bashiri
Associate Professor, Department of Sport Sciences, Tabriz Branch, Islamic Azad University, Tabriz, Iran
Hassan Pourrazi
Assistant Professor, Department of Sport Sciences, School of Social Sciences, Imam Khomeini International University, Qazvin, Iran
Mir Alireza Nourazar
Assistant Professor, Department of Basic Sciences, School of Veterinary Medicine, Islamic Azad University, Tabriz Branch, Tabriz, Iran
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