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Depression: 21st Century Solutions + The Dark Side of Wheat

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Abstract Title:

Nigella sativa (black cumin) ameliorates potassium bromate-induced early events of carcinogenesis: diminution of oxidative stress.

Abstract Source:

Hum Exp Toxicol. 2003 Apr ;22(4):193-203. PMID: 12755470

Abstract Author(s):

Naghma Khan, Sonia Sharma, Sarwat Sultana

Article Affiliation:

Naghma Khan

Abstract:

Potassium bromate (KBrO3) is a potent nephrotoxic agent. In this paper, we report the chemopreventive effect of Nigella sativa (black cumin) on KBrO3-mediated renal oxidative stress, toxicity and tumor promotion response in rats. KBrO3 (125 mg/kg body weight, intraperitoneally) enhances lipid peroxidation, gamma-glutamyl transpeptidase, hydrogen peroxide and xanthine oxidase with reduction in the activities of renal antioxidant enzymes and renal glutathione content. A marked increase in blood urea nitrogen and serum creatinine has also been observed. KBrO3 treatment also enhances ornithine decarboxylase (ODC) activity and [3H] thymidine incorporation into renal DNA. Prophylaxis of rats orally with Nigella sativa extract (50 mg/kg body weight and 100 mg/kg body weight) resulted in a significant decrease in renal microsomal lipid peroxidation (P<0.001), gamma-glutamyl transpeptidase (P<0.001), H2O2 (P<0.001) and xanthine oxidase (P<0.05). There was significant recovery of renal glutathione content (P<0.01) and antioxidant enzymes (P<0.001). There was also reversal in the enhancement of blood urea nitrogen, serum creatinine, renal ODC activity and DNA synthesis (P<0.001). Data suggest that Nigella sativa is a potent chemopreventive agent and may suppress KBrO3-mediated renal oxidative stress, toxicity and tumour promotion response in rats.

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Depression: 21st Century Solutions + The Dark Side of Wheat

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