ETHANOL INHIBITION OF VINYL-CHLORIDE METABOLISM IN ISOLATED RAT HEPATOCYTES

被引:14
作者
HULTMARK, D [1 ]
SUNDH, K [1 ]
JOHANSSON, L [1 ]
ARRHENIUS, E [1 ]
机构
[1] UNIV STOCKHOLM,WALLENBERG LAB,DIV CELLULAR TOXICOL,ENVIRONM TOXICOL UNIT,S-10691 STOCKHOLM,SWEDEN
关键词
D O I
10.1016/0009-2797(79)90064-4
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
Isolated rat liver cells convert [14C]vinyl chloride into non-volatile metabolites. This metabolism is not increased by in vivo pretreatment with phenobarbital. It is sensitive to inhibition by ethanol, which at a concentration of 4 mM inhibits vinyl chloride metabolism to 50% in hepatocyte suspensions. The metabolic activity is NADPH-dependent and is localized in the microsomal fraction of the liver. The enzyme is also strongly inhibited by tetrahydrofuran, indicating that it could be identical to an ethanol-inducible cytochrome P-450 described in the literature [1]. © 1979.
引用
收藏
页码:1 / 6
页数:6
相关论文
共 20 条
[1]   HUMAN, RAT AND MOUSE LIVER-MEDIATED MUTAGENICITY OF VINYL-CHLORIDE IN S-TYPHIMURIUM STRAINS [J].
BARTSCH, H ;
MALAVEILLE, C ;
MONTESANO, R .
INTERNATIONAL JOURNAL OF CANCER, 1975, 15 (03) :429-437
[2]   MUTAGENIC AND CARCINOGENIC EFFECTS OF VINYL-CHLORIDE [J].
BARTSCH, H ;
MONTESANO, R .
MUTATION RESEARCH, 1975, 32 (02) :93-113
[3]   DISPOSITION OF [1,2-C-14] VINYL-CHLORIDE IN RAT [J].
BOLT, HM ;
KAPPUS, H ;
BUCHTER, A ;
BOLT, W .
ARCHIVES OF TOXICOLOGY, 1976, 35 (03) :153-162
[4]   METABOLIC INTERACTIONS AMONG ENVIRONMENTAL CHEMICALS AND DRUGS [J].
CONNEY, AH ;
BURNS, JJ .
SCIENCE, 1972, 178 (4061) :576-+
[5]  
GOTHE R, 1974, Ambio, V3, P234
[6]   PRELIMINARY STUDIES OF FATE OF INHALED VINYL-CHLORIDE MONOMER IN RATS [J].
HEFNER, RE ;
WATANABE, PG ;
GEHRING, PJ .
ANNALS OF THE NEW YORK ACADEMY OF SCIENCES, 1975, 246 (JAN31) :135-148
[7]   DICHLORO-P-NITROANISOLE O-DEMETHYLASE - CONVENIENT ASSAY FOR MICROSOMOL MIXED-FUNCTION OXIDASE IN ISOLATED RAT HEPATOCYTES [J].
HULTMARK, D ;
SUNDH, K ;
WACHTMEISTER, CA ;
ARRHENIUS, E .
BIOCHEMICAL PHARMACOLOGY, 1978, 27 (08) :1129-1134
[8]   CARCINOGENIC, MUTAGENIC AND TERATOGENIC RISKS ASSOCIATED WITH VINYL-CHLORIDE [J].
INFANTE, PF ;
WAGONER, JK ;
WAXWEILER, RJ .
MUTATION RESEARCH, 1976, 41 (01) :131-141
[9]   INTERACTION OF VINYL-CHLORIDE WITH RAT HEPATIC MICROSOMAL CYTOCHROME-P-450 INVITRO [J].
IVANETICH, KM ;
ARONSON, I ;
KATZ, ID .
BIOCHEMICAL AND BIOPHYSICAL RESEARCH COMMUNICATIONS, 1977, 74 (04) :1411-1418
[10]   LIVER MICROSOMAL UPTAKE OF [C-14]VINYL CHLORIDE AND TRANSFORMATION TO PROTEIN ALKYLATING METABOLITES INVITRO [J].
KAPPUS, H ;
BOLT, HM ;
BUCHTER, A ;
BOLT, W .
TOXICOLOGY AND APPLIED PHARMACOLOGY, 1976, 37 (03) :461-471