Abstract
Vitamin E (tocopherols and tocotrienols) is essential for normal neurological function. Recently we have reported that the neuroprotective properties of tocotrienols are much more potent than that of the widely studied tocopherols (Sen, C.K., Khanna, S., Roy, S. and Parker, L. (2000) J. Biol. Chem. 275, 13049–13055). The objective of this study was to evaluate whether (i) oral supplementation of tocotrienols during pregnancy is bioavailable to fetal and mother brains; (ii) short-term change in dietary vitamin E levels of pregnant rats influences gene expression profile of developing fetal brains. We report that dietary tocotrienol is bioavailable to both mother and fetal brains. The enrichment is more in fetal brain tissue. Using a GeneChip microarray expression profiling approach we have identified a specific set of vitamin E sensitive genes in the developing rat fetal brain.
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