Abstract
In this work, the effects of probiotic supplementation on cisplatin toxicity in zebrafish (Danio rerio) were examined. For this study, adult female zebrafish were given cisplatin (G2), the probiotic, Bacillus megaterium (G3), and cisplatin+B. megaterium (G4) for 30days, in addition to the control (G1). In order to investigate changes in antioxidative enzymes, ROS production, and histological changes after treatment, the intestines and ovaries were excised. The levels of lipid peroxidation, glutathione peroxidase, glutathione reductase, catalase, and superoxide dismutase were found to be significantly higher in the cisplatin group than in the control group in both the intestine and the ovaries. Administration of the probiotic and cisplatin effectively reversed this damage. Histopathological analyses showed that the cisplatin group had much more damage than the control group and that probiotic+cisplatin treatment significantly cured these damages. It opens the door to probiotics being combined with cancer-related drugs, which may be a more efficient approach for minimizing side effects. The underlying molecular mechanisms of probiotics must be further investigated.
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