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Main Title Chloroform Induction of Ornithine Decarboxylase Antizyme (ODC-AZ) in Male Rat Liver (Journal Version).
Author Savage, R. E. ; Pereira, M. A. ; DeAngelo, A. B. ;
CORP Author Health Effects Research Lab., Cincinnati, OH. ;Environmental Health Research and Testing, Inc., Cincinnati, OH. ;National Inst. for Occupational Safety and Health, Cincinnati, OH.
Publisher c1988
Year Published 1988
Report Number EPA/600/J-88/220;
Stock Number PB89-144539
Additional Subjects Chloroform ; Enzyme inhibitors ; Toxicity ; Hazardous materials ; Chlorohydrocarbons ; Rats ; Liver ; Alphaamino carboxylic acids ; Valeric acid ; Induction ; Exposure ; Laboratory animals ; Stimulation ; Reprints ; Ornithine decarboxylase antizyme ; Toxic substances
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NTIS  PB89-144539 Some EPA libraries have a fiche copy filed under the call number shown. 07/26/2022
Collation 7p
Abstract Chloroform stimulation of rat hepatic ornithine decarboxylase (ODC) is most dramatic at 18 h following a single injection. Repeated dosing, 1 dose/d for up to 7 d, results in a daily decline in the ability of the liver enzyme to respond 18 h after the final injection. This decline was probably due to an increased synthesis and accumulation of the ODC-antizyme (AZ) protein. ODC-AZ was determined by measuring the inhibition of isolated ODC activity. Rats were injected daily for 1, 3, or 7 d with 3.0 mmol/kg chloroform. Chloroform induced ODC-AZ activity in males at 3 and 7 d (26% and 37% inhibition of the ODC activity in the incubation medium, respectively). While females exhibited a similar decline in ODC activity after repeated doses, ODC-AZ was not induced. Thus, it would appear that daily exposure of rats to chloroform results in a refractoriness of its induction of ODC activity accompanied by an induction of the ODC-AZ in males. However, in females these two responses were not directly related. (Copyright (c) 1988 Hemisphere Publishing Corp.)
Supplementary Notes Pub. in Jnl. of Toxicology and Environmental Health, v25 n1 p97-101 Aug 88. See also PB83-189050. Prepared in cooperation with Environmental Health Research and Testing, Inc., Cincinnati, OH., and National Inst. for Occupational Safety and Health, Cincinnati, OH.
NTIS Title Notes Journal article.
Title Annotations Reprint: Chloroform Induction of Ornithine Decarboxylase Antizyme (ODC-AZ) in Male Rat Liver (Journal Version).
Category Codes 57Y; 57B; 57U; 68G
NTIS Prices PC A02/MF A01
Primary Description 600/11
Document Type NT
Cataloging Source NTIS/MT
Control Number 908927709
Origin NTIS
Type CAT