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Crocin attenuates cisplatin-induced liver injury in the mice.
Human & Experimental Toxicology 2014 August
Cisplatin (CDDP) is one of the most frequently used antitumor agents, but its application is significantly limited by its hepatotoxicity. In the present study, we investigated the effects of crocin against CDDP-induced oxidative stress and apoptosis in the liver of Kunming mice. Crocin was administered to the mice once daily for 7 consecutive days at the doses of 6.25 and 12.5 mg/kg body weight orally. On day 1, a single intraperitoneal injection of CDDP was given at the dose of 10 mg/kg body weight. Crocin treatment significantly improved CDDP-induced hepatic damage as indicated by serum aspartate aminotransferase and alanine aminotransferase levels. Crocin relieved CDDP-induced oxidative stress by reducing malondialdehyde level and recovering the levels of glutathione and antioxidant enzymes such as superoxide dismutase, catalase, and glutathione peroxidase. In addition, liver histopathology indicated that crocin alleviated CDDP-induced focal necrosis. Immunohistochemical staining and Western blot analysis showed that crocin significantly decreased the levels of phospho-p38 mitogen-activated protein kinase (MAPK), tumor protein 53 (p53), and cleaved caspase-3. Taken together, our data suggest that crocin provides protective effects against CDDP-induced hepatoxicity by attenuating oxidative stress and inhibiting the activation of p38 MAPK, p53, and caspase-3.
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