Antioxidative effect of folate-modified chitosan nanoparticles

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Objective: To evaluate the potency of carboxymethyl chitosan-2, 2' ethylenedioxy bis-ethylamine-folate (CMC-EDBE-FA) on tissue injury, antioxidant status and glutathione system in tissue mitochondria and serum against nicotine-induced oxidative stress in mice. Methods: CMC-EDBE-FA was prepared on basis of carboxymethyl chitosan tagged with folic acid by covalently linkage through 2, 2' ethylenedioxy bis-ethylamine. Animals were divided into four groups, i.e., control, nicotine (1 mg/kg bw/day), CMC-EDBE-FA (1 mg/kg bw/day) and nicotine (1 mg/kg bw/day) and CMC-EDBE-FA (1 mg/kg bw/day) for 7 days. Levels of lipid peroxidation, oxidized glutathione level, antioxidant enzyme status and DNA damage were observed and compared. Results: The significantly increase of lipid peroxidation, oxidized glutathione levels and DNA damage was observed in nicotine treated group as compared with control group; those were significantly reduced in CMC-EDBE-FA supplemented group. Moreover, significantly reduced antioxidant status in nicotine treated group was effectively ameliorated by the supplementation of CMC-EDBE-FA. Only CMC-EDBE-FA treated groups showed no significant change as compared with control group; rather than it repairs the tissue damage of nicotine treated group. Conclusions: These findings suggest that CMC-EDBE-FA is non-toxic and ameliorates nicotine-induced toxicity. © 2011 Asian Pacific Tropical Biomedical Magazine.




Chakraborty, S. P., Mahapatra, S. K., Sahu, S. K., Pramanik, P., & Roy, S. (2011). Antioxidative effect of folate-modified chitosan nanoparticles. Asian Pacific Journal of Tropical Biomedicine, 1(1), 29–38.

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