MECHANISM OF INHIBITION OF LIPID-PEROXIDATION BY TAMOXIFEN AND 4-HYDROXYTAMOXIFEN INTRODUCED INTO LIPOSOMES - SIMILARITY TO CHOLESTEROL AND ERGOSTEROL

被引:44
作者
WISEMAN, H
CANNON, M
ARNSTEIN, HRV
HALLIWELL, B
机构
[1] Department of Biochemistry, University of London, King's College, London, WC2R 2LS, Strand Campus
来源
FEBS LETTERS | 1990年 / 274卷 / 1-2期
关键词
4-Hydroxytamoxifen; Cholesterol; Lipid peroxidation; Liposome; Membrane stabilization; Tamoxifen;
D O I
10.1016/0014-5793(90)81341-K
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
The anticancer drug tamoxifen when introduced into phospholipid liposomes during their preparation inhibited Fe(III)-ascorbate induced lipid peroxidation to a greater extent than similarly introduced cholesterol. Ergosterol was equipotent with tamoxifen, but much less effective than 4-hydroxytamoxifen. Possible mechanisms underlying these effects are discussed in relation to structural mimicry of the sterols by these triphenylethylene drugs as membrane stabilizers against lipid peroxidation. © 1990.
引用
收藏
页码:107 / 110
页数:4
相关论文
共 23 条
[1]   LIPOSOMES AS MEMBRANE MODEL FOR STUDY OF LIPID-PEROXIDATION [J].
CHATTERJEE, SN ;
AGARWAL, S .
FREE RADICAL BIOLOGY AND MEDICINE, 1988, 4 (01) :51-72
[2]   TAMOXIFEN METABOLISM - PHARMACOKINETIC AND INVITRO STUDY [J].
ETIENNE, MC ;
MILANO, G ;
FISCHEL, JL ;
FRENAY, M ;
FRANCOIS, E ;
FORMENTO, JL ;
GIOANNI, J ;
NAMER, M .
BRITISH JOURNAL OF CANCER, 1989, 60 (01) :30-35
[3]   METABOLISM OF TAMOXIFEN (ICI 46,474) .2. FEMALE PATIENTS [J].
FROMSON, JM ;
PEARSON, S ;
BRAMAH, S .
XENOBIOTICA, 1973, 3 (11) :711-714
[4]  
GUTTERIDGE JMC, 1978, RES COMMUN CHEM PATH, V22, P563
[5]   IDENTIFICATION AND BIOLOGICAL-ACTIVITY OF TAMOXIFEN METABOLITES IN HUMAN-SERUM [J].
KEMP, JV ;
ADAM, HK ;
WAKELING, AE ;
SLATER, R .
BIOCHEMICAL PHARMACOLOGY, 1983, 32 (13) :2045-2052
[6]  
LIEN EA, 1989, CANCER RES, V49, P2175
[7]  
LIPPMAN M, 1976, CANCER RES, V36, P4595
[8]   FUNCTIONAL AND STRUCTURAL ASPECTS OF BIOLOGICAL-MEMBRANES - SUGGESTED STRUCTURAL ROLE FOR VITAMIN-E IN CONTROL OF MEMBRANE-PERMEABILITY AND STABILITY [J].
LUCY, JA .
ANNALS OF THE NEW YORK ACADEMY OF SCIENCES, 1972, 203 (DEC18) :4-11
[9]  
MAGIN RL, 1990, MEMBRANE TRANSPORT I, P239
[10]   ANALYSIS OF TAMOXIFEN, N-DESMETHYLTAMOXIFEN AND 4-HYDROXYTAMOXIFEN LEVELS IN CYTOSOL AND KCL-NUCLEAR EXTRACTS OF BREAST-TUMORS FROM TAMOXIFEN TREATED PATIENTS BY GAS CHROMATOGRAPHY MASS-SPECTROMETRY (GC-MS) USING SELECTED ION MONITORING (SIM) [J].
MURPHY, C ;
FOTSIS, T ;
PANTZAR, P ;
ADLERCREUTZ, H ;
MARTIN, F .
JOURNAL OF STEROID BIOCHEMISTRY AND MOLECULAR BIOLOGY, 1987, 28 (06) :609-618