Author(s): Traber MG, Packer L
Vitamin E, a potent peroxyl radical scavenger, is a chain-breaking antioxidant that prevents the propagation of free radical damage in biological membranes. We consider the evidence for potential sites in cellular metabolism and signal transduction where vitamin E may have a structure-specific role in addition to its antioxidant function. The roles of tocopherol-binding proteins in cellular trafficking of vitamin E, especially the incorporation of RRR-alpha-tocopherol into nascent lipoproteins, and the delivery of RRR-alpha-tocopherol to the nucleus are considered. We discuss the functions of vitamin E both in the inhibition and potentiation of arachidonic acid metabolism. The interactions of vitamin E during cell proliferation and differentiation are also evaluated. These functions of vitamin E raise new questions and represent new and exciting areas for research in cell regulation with physiologic implications.
Referred From: https://pubmed.ncbi.nlm.nih.gov/7495251/
Author(s): Ogundenle HN
Author(s): Brody T
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Author(s): Roslida A, Tay C, Zuraini A, Chan P
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