Abstract Title:

Modulatory effects of curcumin and curcumin analog on circulatory lipid profiles during nicotine-induced toxicity in Wistar rats.

Abstract Source:

J Med Food. 2005;8(2):246-50. PMID: 16117619

Abstract Author(s):

C Kalpana, K N Rajasekharan, Venugopal P Menon

Article Affiliation:

Department of Biochemistry, Faculty of Science, Annamalai University, Annamalainagar, Tamil Nadu, India.

Abstract:

Nicotine, a major toxic component of cigarette smoke, plays a key role in the development of cardiovascular disease and lung cancer. In the present study, we have synthesized an analog of curcumin and biomonitored its influence over biochemical marker enzymes and lipid profiles on nicotine-induced toxicity in Wistar rats. The effects were compared with that of curcumin, a well-known antioxidant and anti-hyperlipidemic agent. Toxicity was induced by subcutaneous injection of nicotine at a dose of 2.5 mg/kg of body weight (5 days a week, for 22 weeks), and curcumin (80 mg/kg) was given simultaneously along with nicotine by intragastric intubation for 22 weeks. Measurements of activities of the biochemical marker enzymes aspartate transaminase, alanine transaminase, alkaline phosphatase, and lactate dehydrogenase and of plasma lipid profiles were used to monitor the anti-hyperlipidemic effects of curcuminoids. In nicotine-treated rats, enhanced plasma marker enzymes and lipid profiles were observed. Administration of curcumin or curcumin analog to nicotine-treated rats significantly reduced the activity of marker enzymes and plasma lipid levels. Thus, our findings suggest that curcumin and its analog exert an anti-hyperlipidemic effect against nicotine-induced lung toxicity and may be a promising agent for treatment of hyperlipidemia and atherosclerosis.

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