Modulatory influence of Rosemarinus officinalis on DMBA-induced mouse skin tumorigenesis.
The present investigation was undertaken to explore the anti-tumor promoting activity of Rosemarinus officinalis on two-stage skin carcinogenesis, induced by a single topical application of 7, 12-dimethylbenz(a)anthracene and promoted by treatment of croton oil for 15 weeks in Swiss albino mice. Oral administration of Rosemary leaf extract at a dose of 1,000 mg/ kg b. wt. / day at pre, peri and post-initiational phases, was found to be effective in decreasing the tumor incidence (50, 41.7, 58.3%, respectively) in comparison to the control (100%). Furthermore, the cumulative number of papillomas, tumor yield and tumor burden were also found to be reduced in R. officinalis-treated animals. This was associated with significant alteration in liver lipid peroxidation and glutathione (GSH) levels.[1]References
- Modulatory influence of Rosemarinus officinalis on DMBA-induced mouse skin tumorigenesis. Sancheti, G., Goyal, P. Asian Pac. J. Cancer Prev. (2006) [Pubmed]
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