Non-antioxidant molecular functions of α-tocopherol (vitamin E)

被引:237
作者
Azzi, A [1 ]
Ricciarelli, R
Zingg, JM
机构
[1] Univ Bern, Inst Biochem & Mol Biol, Buhlstr 28, CH-3012 Bern, Switzerland
[2] Univ Genoa, Dipartimento Med Sperimentale, I-16132 Genoa, Italy
关键词
alpha-tocopherol; non-antioxidant mechanism; protein kinase C; cell proliferation; gene expression; platelet aggregation; oxygen burst;
D O I
10.1016/S0014-5793(02)02706-0
中图分类号
Q5 [生物化学]; Q7 [分子生物学];
学科分类号
071010 ; 081704 ;
摘要
alpha-Tocopherol (the major vitamin E component) regulates key cellular events by mechanisms unrelated with its antioxidant function. Inhibition of protein kinase C (PKC) activity and vascular smooth muscle cell growth by alpha-tocopherol was first described by our group. Later, alpha-tocopherol was shown to inhibit PKC in various cell types with consequent inhibition of aggregation in platelets, of nitric oxide production in endothelial cells and of superoxide production in neutrophils and macrophages. alpha-Tocopherol diminishes adhesion molecule, collagenase and scavenger receptor (SR-A and CD36) expression and increases connective tissue growth factor expression. (C) 2002 Federation of European Biochemical Societies. Published by Elsevier Science B.V. All rights reserved.
引用
收藏
页码:8 / 10
页数:3
相关论文
共 52 条
[1]   Modulation of α-tropomyosin expression by α-tocopherol in rat vascular smooth muscle cells [J].
Aratri, E ;
Spycher, SE ;
Breyer, I ;
Azzi, A .
FEBS LETTERS, 1999, 447 (01) :91-94
[2]   DISTRIBUTION OF ALPHA-TOCOPHEROL IN HUMAN-PLASMA LIPOPROTEINS [J].
BEHRENS, WA ;
THOMPSON, JN ;
MADERE, R .
AMERICAN JOURNAL OF CLINICAL NUTRITION, 1982, 35 (04) :691-696
[3]   LOCALIZATION OF FRIEDREICH ATAXIA PHENOTYPE WITH SELECTIVE VITAMIN-E-DEFICIENCY TO CHROMOSOME-8Q BY HOMOZYGOSITY MAPPING [J].
BENHAMIDA, C ;
DOERFLINGER, N ;
BELAL, S ;
LINDER, C ;
REUTENAUER, L ;
DIB, C ;
GYAPAY, G ;
VIGNAL, A ;
LEPASLIER, D ;
COHEN, D ;
PANDOLFO, M ;
MOKINI, V ;
NOVELLI, G ;
HENTATI, F ;
BENHAMIDA, M ;
MANDEL, JL ;
KOENIG, M .
NATURE GENETICS, 1993, 5 (02) :195-200
[4]  
BOSCOBOINIK D, 1991, J BIOL CHEM, V266, P6188
[5]   Differential inhibition by α- and β-tocopherol of human erythroleukemia cell adhesion:: Role of integrins [J].
Breyer, I ;
Azzi, A .
FREE RADICAL BIOLOGY AND MEDICINE, 2001, 30 (12) :1381-1389
[6]   α-tocopherol inhibits the respiratory burst in human monocytes -: Attenuation of p47phox membrane translocation and phosphorylation [J].
Cachia, O ;
El Benna, J ;
Pedruzzi, E ;
Descomps, B ;
Gougerot-Pocidalo, MA ;
Leger, CL .
JOURNAL OF BIOLOGICAL CHEMISTRY, 1998, 273 (49) :32801-32805
[7]   The effect of alpha-tocopherol on the synthesis, phosphorylation and activity of protein kinase C in smooth muscle cells after phorbol 12-myristate 13-acetate down-regulation [J].
Clement, S ;
Tasinato, A ;
Boscoboinik, D ;
Azzi, A .
EUROPEAN JOURNAL OF BIOCHEMISTRY, 1997, 246 (03) :745-749
[8]   Localization of α-tocopherol transfer protein in the brains of patients with ataxia with vitamin E deficiency and other oxidative stress related neurodegenerative disorders [J].
Copp, RP ;
Wisniewski, T ;
Hentati, F ;
Larnaout, A ;
Ben Hamida, M ;
Kayden, HJ .
BRAIN RESEARCH, 1999, 822 (1-2) :80-87
[9]   Oxidized low density lipoprotein and atherosclerosis [J].
Devaraj, S ;
Jialal, I .
INTERNATIONAL JOURNAL OF CLINICAL & LABORATORY RESEARCH, 1996, 26 (03) :178-184
[10]  
Devaraj S, 2001, J LIPID RES, V42, P521