Abstract
Abstract
d- and dl-α-tocopheryl succinate inhibited growth and caused morphological changes in mouse melanoma (B-16), mouse neuroblastoma (NBP2), and rat glioma (C-6) cells in culture. To study whether the effects of α-tocopheryl (vitamin E) succinate on tumor cells are mediated by antioxidant mechanisms, the effects of lipid-soluble antioxidants, butylated hydroxyanisole (BHA) and butylated hydroxytoluene (BHT) were compared with those of vitamin E succinate. Results showed that these antioxidants produced alterations on the growth and morphology of neuroblastoma, melanoma, and glioma cells which are similar to those produced by vitamin E succinate; however, the extent of the effect depended upon the type of antioxidant and the form of tumor cells. These data suggest that the effects of vitamin E succinate on tumor cells may be mediated, in part, by antioxidant mechanisms.
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