Author(s): Tamano S, Hirose M, Tanaka H, Asakawa E, Ogawa K,
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Abstract Sesamol was administered at a dietary level of 2\% to groups of 30 male and female F344/DuCrj rats and B6C3F1 mice for 104 and 96 weeks, respectively. Squamous cell carcinomas in the forestomach were induced in nine of 29 (31\%) effective male rats, three of 30 (10\%) female rats, eleven of 29 (38\%) male mice and five of 30 (17\%) female mice treated with sesamol. Papillomas developed in ten of 29 (34\%) male rats and fourteen of 30 (47\%) female rats, but not in any of the mice. Hyperplasias developed in almost all rats and mice of both sexes. Significant differences from control values were found for all three lesions in rats and for carcinoma and hyperplasia categories in mice. The incidences of other tumors in the 2\% sesamol group were comparable with control values. In conclusion, sesamol induces squamous cell carcinomas in the forestomach of rats and mice, males being more susceptible than females.
This article was published in Jpn J Cancer Res
and referenced in Journal of Chromatography & Separation Techniques