Volume 20, Number 4 (10-2016)                   hmj 2016, 20(4): 276-285 | Back to browse issues page


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Barzanjeh S P, Dabidi Roshan V. Prior exercise training attenuated Doxorubicin-induced hepatic oxidative stress in Wistar rats: Age-related differences. hmj. 2016; 20 (4) :276-285
URL: http://hmj.hums.ac.ir/article-1-1634-en.html

phd Deprtment of Sport Physiology
Abstract:   (1079 Views)

Introduction: Previous studies have confirmed the sidelong effects of Doxorubicin (DOX) on healthy tissues, but pretreatment effect of regular Aerobic exercise in restrain of hepatotoxicity induced by doxorubicin is not clear. The aim of this study was to investigate the pretreatment effect of regular aerobic exercise on hepatic oxidative stress induced with doxorubicin of Wistar rats in different age groups.

Methods: In the experimental study, 72 male wistar rats divided into three groups of age (three and 30 months) were again randomly separated into subgroups: control+DOX (20 mg/kg, n=8), and Training+DOX (T+DOX20mg/kg, n=8) Training+ Saline (T+S) groups. The training protocol included treadmill running progressively between 25 to 39 min/day and 15 to 17m/min, 5 days/week for 3 weeks. DOX and saline injection was performed 24 h after the last exercise session, and tissue collection was done 24 h after the injections.

Results: The results showed that the DOX-induced did not significant effect on HSP70 of liver tissue of rats in different ages (young, middle-aged and elderly) (P=0.272). DOX-induced had a significant effect on MDA (P=0.002), PC (P=0.002) and GPx (P=0.001) of liver tissue of rats in different ages (young, middle-aged and elderly). Pre-treatment with aerobic exercise had a significant effect on changes of HSP70 (P=0.001), MDA (P=0.001), PC (P=0.001) and GPx (P=0.001) in DOX-induced liver in different ages rats (young, middle-aged and elderly. There was any significant difference between the levels of HSP70 (P=0.741), MDA (P=0.539), PC (P=0.075) and GPx (P=0.071) liver tissue in different ages (young, middle-aged and elderly) with pre-treatment and aerobic exercise.

Conclusion: Our study suggests that liver protection induced by chronically exercise in DOX treated rats is associated with inhibition of oxidative stress and increase in the efficiency of antioxidant system.

Keywords: Exercise Training, Doxorubicin, Hepatic Oxidative Stress, Rats
Citation: Barzanjeh P, Dabidi Roshan V. Prior exercise training attenuated Doxorubicin-induced hepatic oxidative stress in Wistar rats: Age-related differences. Hormozgan Medical Journal 2016;20(4):276-285.
Full-Text [PDF 602 kb]   (349 Downloads)    
Type of Study: Research | Subject: medical
Received: 2017/01/24 | Accepted: 2017/01/24 | Published: 2017/01/24

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