Document Detail

Long-term exposure of rats to perchloroethylene, with and without a post-exposure solvent-free recovery period: effects on brain lipids.
MedLine Citation:
PMID:  2389258     Owner:  NLM     Status:  MEDLINE    
The effects of perchloroethylene were studied in the rat brain after continuous exposure for 90 days at 320 ppm. Animals were also allowed after exposure to recover in a solvent-free atmosphere for 30 days. Lipid and fatty acid compositions were studied in particular. Changes were observed in the fatty acid pattern of ethanolamine phosphoglyceride in the cerebral cortex. Fatty acids 18:0, 20:1 (n-7) and 20:4 (n-6) were decreased while very-long-chain polyunsaturated fatty acids were increased. Most fatty acid changes were normalized during the 30 days post-exposure solvent-free recovery period with the exception of the minor fatty acid 20:1 (n-7). However, the previously unchanged fatty acid 18:1 was found to be decreased after the recovery period. Cholesterol was also decreased at this time and a tendency to reduction of myelin-enriched lipids after exposure to perchloroethylene might indicate a persisting loss of myelin membranes.
T Kyrklund; P Kjellstrand; K G Haglid
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't    
Journal Detail:
Title:  Toxicology letters     Volume:  52     ISSN:  0378-4274     ISO Abbreviation:  Toxicol. Lett.     Publication Date:  1990 Aug 
Date Detail:
Created Date:  1990-09-27     Completed Date:  1990-09-27     Revised Date:  2006-11-15    
Medline Journal Info:
Nlm Unique ID:  7709027     Medline TA:  Toxicol Lett     Country:  NETHERLANDS    
Other Details:
Languages:  eng     Pagination:  279-85     Citation Subset:  IM    
Institute of Neurobiology, University of Göteborg, Sweden.
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MeSH Terms
Body Weight / drug effects
Brain / drug effects*,  metabolism
Fatty Acids / metabolism
Lipid Metabolism*
Rats, Inbred Strains
Tetrachloroethylene / toxicity*
Reg. No./Substance:
0/Fatty Acids; 127-18-4/Tetrachloroethylene

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine

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