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Cisplatin is one of the important antineoplastic drugs. Its clinical use has been restricted due to severe kidney toxicity. Nigella sativa (N. sativa) is an herbaceous plant with many pharmacologic effects. In the present study, we evaluated the protective effects of aqueousethanolic extract of N. sativa and Vitamin E on cisplatin-induced nephrotoxicity in rats. Eighty male rats were divided into eight groups: control, cisplatin (6 mg/kg; ip), preventive Vitamin E (100 mg/kg), preventive N. sativa (100,200 mg/kg), preventive + treatment Vitamin E, and preventive + treatment N. sativa (100, 200 mg/kg). Duration of this study was 11 days and cisplatin was injected on the 6th day of the experiment. Tissue damage in all groups that received N. sativa extract and Vitamin E showed a significant improvement compared with the cisplatin group. In addition, serum and tissue total thiol content in preventive and preventive + treatment N. sativa groups showed significant increase compared with cisplatin group. There was no significant difference in serum malondialdehyde concentration of the control rats compared with the preventive and preventive + treatment N. sativa groups. N. sativa extract and viamin E improved the pathology and oxidative stress in the rat kidney. However, more studies are needed to determine the mechanism of action of N. sativa on cisplatin-induced kidney toxicity

The aim of the present study was to determine the effect of Plantago major (P. major) on cisplatin-induced kidney injury in the rat. Cisplatin was injected on the 6th day of the experiment. Animals were treated with P. major extract (300, 600, and 1200 mg/kg) and Vitamin E for five days before and two weeks after cisplatin administration. Cisplatin caused a significant decrease in glomerular filtration rate (GFR), urine osmolarity, and urinary excretion rate of potassium, but significant increase in the kidney index and histological damage compared with the control group. Administration of Vitamin E and P. major (300 and 600 mg/kg) significantly increased GFR compared to cisplatin group. Furthermore, urine osmolarity in Vitamin E and P. major (600 mg/kg) groups were significantly elevated compared to the cisplatin group. P. major (600 mg/kg) significantly increased the urinary excretion rate of potassium compared with cisplatin group. Furthermore, all doses of P. major and Vitamin E significantly attenuated the percentage of kidney tissue damage compared to the cisplatin group. However, only P. major (600 mg/kg) and Vitamin E treated rats showed a significant reduction in the kidney index. This study revealed that P. major extract in a dose-dependent manner provides protection against renal damage induced by cisplatin.