The present study explored chemopreventive aspects of curcumin and resveratrol in the experimental model of lung carcinogenesis in rats. The main aim was to establish efficacy of combined phytochemicals treatment over individual treatments in rat cancer model. The study was performed in terms of both biophysical and biochemical parameters. The rats were segregated into five groups, which included normal control, benzo[a]pyrene (BP) treated, BP + curcumin treated, BP + resveratrol treated, and BP + curcumin + resveratrol treated groups. The results confirmed significant changes in the biochemical indices of the BP treated rats. Further, radiorespirometric studies showed significant rise in the C-glucose turnover and uptakes in BP treated rats. Also, a significant increase in the cell proliferation was noticed indirectly by recording uptakes of H-thymidine in the lung slices of BP treated rats. On the other hand, supplementation with curcumin and resveratrol in combination to BP treated rats significantly modulated both biophysical and biochemical indices. The histopathological studies also supported the efficacy of combined treatment of phytochemicals during lung carcinogenesis. The present study concluded that the combination of curcumin and resveratrol efficiently modulated lung carcinogenesis in rats.
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