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Main Title Phenylmethylsulfonyl Fluoride Protects Rats from Mipafox-Induced Delayed Neuropathy.
Author Veronesi, B. ; Padilla, S. ;
CORP Author Health Effects Research Lab., Research Triangle Park, NC.
Year Published 1985
Report Number EPA/600/J-85/281;
Stock Number PB86-157971
Additional Subjects Fluorides ; Toxicology ; Rats ; Laboratory animals ; Reprints ; Neuropathy
Library Call Number Additional Info Location Last
NTIS  PB86-157971 Some EPA libraries have a fiche copy filed under the call number shown. 07/26/2022
Collation 9p
Abstract Initiation of organophosphorus-induced delayed neuropathy (OPIDN) is thought to consist of two molecular events involving the phosphorylation of the target enzyme, neurotoxic esterase or neuropathy target enzyme (NTE), and a subsequent 'aging' reaction which transforms the inhibited NTE into a charged moiety critical to the neuropathic process. Compounds that inhibit NTE but cannot age because of their chemical structure abort this two-stage initiation process, and when administered before a neurotoxic organophosphorus compound (OP), protect against the neuropathy by blocking NTE's active site (Johnson, 1970). In support of this, the authors report that prior exposure to a non-aging NTE inhibitor, phenylmethylsulfonyl fluoride (PMSF), protects rats from neurological damage after subsequent exposure to a neurotoxic OP, Mipafox. Adult, male Long Evans rats were exposed to either PMSF (250mg/kg, sc) or to Mipafox (15 mg/kg, ip) and a time-course of brain NTE inhibition and recovery was defined.
Supplementary Notes Pub. in Toxicology and Applied Pharmacology 81, p258-264 Nov 85.
NTIS Title Notes Journal article.
Title Annotations Reprint: Phenylmethylsulfonyl Fluoride Protects Rats from Mipafox-Induced Delayed Neuropathy.
PUB Date Free Form 1985
Category Codes 6T; 6O; 57Y; 57Q
NTIS Prices PC A02/MF A01
Primary Description 600/11
Document Type NT
Cataloging Source NTIS/MT
Control Number 611414004
Origin NTIS
Type CAT