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Reddy BV, Sundari JS, Balamurugan E, Menon VP: Prevention of nicotine and streptozotocin treatment induced circulatory oxidative stress by bis-1,7-(2-hydroxyphenyl)-hepta-1,6-diene-3,5-dione in diabetic rats. Mol Cell Biochem. 2009 Nov;331(1-2):127-33. Epub 2009 May 26.
Diabetes and smoking have been considered as major health problems individually and their seriousness related to health hazard has been well reported. The role of nicotine in causing or worsening effect on diabetes is not well understood. The aim of our study was to investigate the effect of nicotine on experimental diabetes and to analyze the effect of bis-1,7-(2-hydroxyphenyl)-hepta-1,6-diene-3,5-dione a bisdemethoxy curcumin analog (BDMCA) in streptozotocin and nicotine induced toxicity. Group I: control rats; Group II: nicotine (2.5 mg/kg b.wt); Group III: streptozotocin (STZ) (40 mg/kg b.wt); Group IV: STZ (40 mg/kg b.wt) + nicotine (2.5 mg/kg b.wt); Group V: STZ + nicotine + BDMCA (40 mg/kg b.wt); Group VI: STZ + nicotine + BDMCA (80 mg/kg b.wt). Efficacy of BDMCA was determined by evaluating blood glucose, thiobarbituric acid reactive substances (TBARS), hydroperoxides (HP), activities of marker enzymes alkaline phosphatase (ALP), and lactate dehydrogenase (LDH) and activities of antioxidant enzymes superoxide dismutase (SOD), catalase (CAT) and glutathione peroxidase (GPx). From our study, we have observed that nicotine not only aggravates diabetic complications but also increased the risk for diabetes. BDMCA, at a dose 80 mg/kg body weight was found to be more effective in decreasing toxic effects induced by nicotine and STZ. |
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