Effect of periodic of resistance training on lipid peroxidation and Tumor necrosis factor-alpha in the heart tissue of male rats exposed to stanazol
Nowadays, the use of energizing substances has become a complex complicated problem in sports and causes damage to various tissues., on the other hand However, sports activity has a significant impact on controlling and improving oxidative stress factors and inflammatory indicators. Therefore, this study aimed to investigate the effect of eight- weeks of resistance training on lipid peroxidation (malondialdehyde [MDA]MDA) and tumor necrosis factor-alpha (TNF-α) in the heart tissue of rats exposed to stanazol.
In this experimental study, 24 male rats with a weight range of 150-200 g and a mean age of 8 weeks were selected and randomly divided into 4 groups (n=6 each), namely 1) control (C), 2) sham (Sh), 3) consumption of stanazol (S), and 4) consumption of stanazol together with resistance training (S+RT). During eight weeks, both groups of 3 and 4 received 5 mg/kg stanazol intraperitoneally daily; however, group 4 performed resistance training three times a week with an intensity of 30%-100% of their body weight. A one-way variance analysis and Tukey's post hoc test were used to analyze the data (P<0.05).
Stanazol had a significant effect on increasing MDA (P=0.001) and TNF-α (P=0.001) in heart tissue. However, resistance training led to a decrease in MDA (P=0.001) and TNF-α (P=0.001) in the heart tissue of rats exposed to stanazol.
It seems that the consumption of anabolic steroids, especially stanazol, increased stress and MDA and TNF-α in the heart, while resistance training can could improve the increased levels of oxidative stress and inflammatory factorsdecrease its findings.
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