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The effect of high intensity interval training on asprosin and oxidative stress in the heart tissue of diabetic male rats

In: Comparative Exercise Physiology
Authors:
M.R. Tabatabaei Faculty of Sport Sciences, Department of Exercise Physiology, Shahid Chamran University of Ahvaz, Ahvaz, Iran

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https://orcid.org/0009-0007-5871-8989
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M. Nikbakht Faculty of Sport Sciences, Department of Exercise Physiology, Shahid Chamran University of Ahvaz, Ahvaz, Iran

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https://orcid.org/0000-0002-9375-0550
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R. Ranjbar Faculty of Sport Sciences, Department of Exercise Physiology, Shahid Chamran University of Ahvaz, Ahvaz, Iran

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https://orcid.org/0000-0001-9091-8613
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F. Daryanoosh Department of Exercise Physiology, Shiraz University, Shiraz, Iran

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https://orcid.org/0000-0003-2125-896X
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M. Ghanbarzadeh Faculty of Sport Sciences, Department of Exercise Physiology, Shahid Chamran University of Ahvaz, Ahvaz, Iran

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https://orcid.org/0000-0002-0257-0731
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Abstract

The release of adipokines from adipose tissue depots plays a crucial role in regulating metabolic homeostasis and several other physiological processes in cardiovascular diseases caused by diabetes. In this study, we investigated the effect of high-intensity interval training (HIIT) on asprosin and oxidative stress of heart tissue type 2 diabetic male rats. 24 male Sprague-Dawley rats were divided into four groups: control (C), control training (CT), diabetes (D), and diabetes training (DT). Diabetes was induced by a high-fat diet and low-dose streptozotocin injection. The training group performed 8-week HIIT program on the treadmill. Two-way ANOVA was used to analyse data ( P < 0.05). The results showed that there was no significant interaction in plasma asprosin ( P = 0.34) and SOD2 ( P = 0.5), but a significant interaction in heart tissue asprosin ( P = 0.002) and P-ERK 1/2 ( P < 0.0001) was found. Serum and heart tissue asprosin were higher in Group D than in Group C (p < 0.0001), and also decreased in Group CT compared to Group C ( P < 0.0001, P = 0.03), and Group DT compared to Group D ( P = 0.0004, P = 0.04). P-ERK 1/2, SOD2, GPX, and HDL-c were lower in Group D than Group C ( P = 0.002, P = 0.01, P = 0.002, P = 0.01, respectively) and increased in Group CT compared to Group C ( P = 0.001, P = 0.03, P = 0.03, P = 0.02, respectively), and Group DT compared to Group D ( P < 0.0001, P = 0.002, P = 0.001, P = 0.02, respectively). There was no significant difference between groups in MDA, HOMA, LDL-c, and TG between Group C and Group CT, but it is lower in Group DT than Group D ( P = 0.003, P < 0.0001, P = 0.01, P = 0.003, respectively). Asprosin is increased in type 2 diabetic rats, and HIIT reduces asprosin and oxidative stress in the heart and improves insulin resistance and lipid profile. Decreased asprosin may have a cardioprotective effect by activating downstream pathways, including regulating P-ERK 1/2 expression and increasing the antioxidant enzyme SOD2.

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