Antiapoptotic Effects of Continuous Training and Selenium Consumption on the Liver Tissue of Cadmium-Exposed Rats
Cadmium has negative effects on various tissues of the body while selenium has antioxidant activities. Moreover, the benefits of exercise training for apoptotic factors including caspase-3 and cytochrome c, as well as cyclin D, have been regarded.
Therefore, the present study aimed to evaluate the anti-apoptotic effects of continuous training and selenium consumption on the liver tissue of cadmium-exposed rats.
In this study, 25 rats were selected and randomly divided into five groups of five rats including: (1) control, (2) selenium consumption, (3) continuous training, (4) continuous training with selenium consumption, and (5) sham. For eight weeks, groups 1 to 4 received peritoneal cadmium (2 mg/kg) daily; groups 2 and 4 received peritoneal selenium (0.23 mg/kg) daily; and groups 3 and 4 performed continuous training three sessions per week. Caspase-3, cytochrome c, and cyclin D were measured at the protein level.
Cadmium consumption significantly increased the protein levels of caspase-3 and cytochrome c and decreased cyclin D in rats (P = 0.001). Selenium consumption and continuous training significantly decreased the protein levels of caspase-3 and cytochrome c and increased cyclin D in rats exposed to cadmium (P = 0.001). Continuous training along with selenium consumption had interactive effects on increasing the protein levels of cyclin D in rats exposed to cadmium (P = 0.02).
It appears that continuous training and selenium consumption have interactive anti-apoptotic effects in the liver tissue of cadmium-exposed rats.
Selenium , Liver , Apoptosis , Cadmium , Continues Training
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