期刊
MOLECULAR ASPECTS OF MEDICINE
卷 28, 期 5-6, 页码 400-422出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.mam.2007.05.004
关键词
vitamin E; tocopherol; tocotrienol; history; antioxidant; non-antioxidant; gene expression; signal transduction
During the last 90 years since the discovery of vitamin E, research has focused on different properties of this molecule, the focus often depending on the specific techniques and scientific knowledge present at each time. Originally discovered as a dietary factor essential for reproduction in rats, vitamin E has revealed in the meantime many more important molecular properties, such as the scavenging of reactive oxygen and nitrogen species with consequent prevention of oxidative damage associated with many diseases, or the modulation of signal transduction and gene expression in antioxidant and non-antioxidant manners. Research over the last 30 years has also resolved the biosynthesis and occurrence of vitamin E in plants, the proteins involved in the cellular uptake, tissue distribution and metabolism, and defined a congenital recessive neurological disease, ataxia with vitamin E deficiency (AVED), characterized by impaired enrichment of a-tocopherol in plasma as a result of mutations in the liver (x-tocopherol transfer gene. This review is giving a brief introduction about vitamin E by following the major research directions since its discovery with a historical perspective. (C) 2007 Elsevier Ltd. All rights reserved.
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