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Resveratrol Is Rapidly Metabolized In Athymic (Nu/Nu) Mice And Does Not Inhibit Human Melanoma Xenograft Tumor Growth, Richard Niles, Carla Cook, Gary Meadows, Ya-Min Fu, Jerry Mclaughlin, Gary Rankin

Gary O. Rankin

Resveratrol has been shown to have anticarcinogenic activity. We previously found that resveratrol inhibited growth and induced apoptosis in 2 human melanoma cell lines. In this study we determined whether resveratrol would inhibit human melanoma xenograft growth. Athymic mice received control diets or diets containing 110 μmol/L or 263 μmol/L resveratrol, 2 wk prior to subcutaneous injection of the tumor cells. Tumor growth was measured during a 3-wk period. Metabolism of resveratrol was assayed by bolus gavage of 75 mg/kg resveratrol in tumor-bearing and nontumor-bearing mice. Pellets containing 10–100 mg resveratrol were implanted into the mice, next to newly palpated …