Physical Education
zohreh mirzavand; mohammad fathi; mostafa bahrami
Abstract
Introduction: Inactivity plays a role in diabetes and increasing tissue oxidative stress and this study aimed to investigate the effect of a period of aerobic exercise on malondialdehyde, superoxide dismutase, and glutathione peroxidase in the heart tissue of male diabetic rats.
Materials and Methods: ...
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Introduction: Inactivity plays a role in diabetes and increasing tissue oxidative stress and this study aimed to investigate the effect of a period of aerobic exercise on malondialdehyde, superoxide dismutase, and glutathione peroxidase in the heart tissue of male diabetic rats.
Materials and Methods: 44 male Wistar rats (200-250 grams) were randomly divided into 4 ten groups of healthy, diabetic, training, and diabetes+ training. After 12 hours of food deprivation, diabetes was induced by intraperitoneal injection of STZ solution, The training groups did aerobic exercise 5 days a week for 6 weeks. 48 hours after completion of the protocol, anesthetized animals and heart tissue were removed. ELISA method was used to measure the amount of superoxide dismutase, malondialdehyde, and glutathione peroxide. Data were analyzed with one-way ANOVA, Tukey's post hoc tests, SPSS, and GraphPad software.
Results: The results showed that superoxide dismutase and glutathione peroxide in the diabetes group were significantly lower than the control, exercise, and diabetes+exercise groups (p≤0.0001). Also, superoxide dismutase and glutathione peroxide were significantly higher in the diabetes+exercise group than in the control and exercise groups (p≤0.0001). Malondialdehyde in the diabetes group was significantly higher than in the diabetes+exercise group, the exercise group, and the control group (p≤0.0001). Malondialdehyde was significantly higher in the diabetes+exercise group than in the diabetes and control groups (p≤0.0001).
Conclusion: aerobic training can have a positive effect on the heart tissue in diabetic rats by reducing oxidative stress.
Hossein Taheri Chadorneshin; Mohammad Esmaeel Afzalpour; Mohsen Foadodini; Hossein Abtahi
Volume 22, Issue 1 , March and April 2015, , Pages 180-188
Abstract
Background: Researches have showed that exercise trainings increase the brain-derived neurotrophic (BDNF) and glial cell-derived neurotrophic factor (GDNF) in the brain. In addition, hydrogen peroxide (H2O2) and tumor necrosis factor alpha (TNFα) increase protein content of BDNF and GDNF in vitro. However, ...
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Background: Researches have showed that exercise trainings increase the brain-derived neurotrophic (BDNF) and glial cell-derived neurotrophic factor (GDNF) in the brain. In addition, hydrogen peroxide (H2O2) and tumor necrosis factor alpha (TNFα) increase protein content of BDNF and GDNF in vitro. However, there is insufficient information about the interactive effects of high intensity exercise training, H2O2, and TNFα on neurotrophins. Hence, in the present study, we investigated the effect of high intensity intermittent training on the content of BDNF, GDNF, H2O2 and TNFα in the brain of albino wistar rats.
Materials and methods: Sixteen albino wistar rats divided into control and high intensity intermittent training groups. High intensity intermittent training has carried out for 6 weeks with 95 to 100% of maximum oxygen consumption on treadmill. BDNF, GDNF and TNFα contents have measured by sandwich ELISA method and H2O2 concentration by colorimetric method by commercial kits. Data analyzed using Student’s t-test, and p≤0.05 considered as statistically significant.
Results: High intensity intermittent training resulted in 75 and 143 percent increased in H2O2 (p