Protein Information

Name neurotoxic esterase
Synonyms NTE; SWS; Neuropathy target esterase; Neurotoxic esterase; PNPLA 6; patatin like phospholipase domain containing 6; Neuropathy target esterases…

Compound Information

Name malathion
CAS diethyl 2-[(dimethoxyphosphinothioyl)thio]butanedioate

Reference List

PubMed Abstract RScore(About this table)
16042503 Lotti M, Moretto A: Organophosphate-induced delayed polyneuropathy. . Toxicol Rev. 2005;24(1):37-49.

Neuropathy target esterase (NTE) is thought to be the target of OPIDP initiation.
We also discuss case reports where neuropathies were not convincingly attributed to fenthion, malathion, omethoate/dimethoate, parathion and merphos.
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10321902 Barber D, Correll L, Ehrich M: Comparative effectiveness of organophosphorus protoxicant activating systems in neuroblastoma cells and brain homogenates. J Toxicol Environ Health A. 1999 May 14;57(1):63-74.

The ability of bromine and rat liver microsomes (RLM) to convert organophosphorus (OP) protoxicants to esterase inhibitors was determined by measuring acetylcholinesterase (AChE) and neuropathy target esterase (NTE) inhibition.
OP protoxicants examined included tri-o-tolyl phosphate (TOTP), O-ethyl O-p-nitrophenyl phenylphosphonothioate (EPN), leptophos, fenitrothion, fenthion, and malathion.
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7713347 Ehrich M, Jortner BS, Padilla S: Comparison of the relative inhibition of acetylcholinesterase and neuropathy target esterase in rats and hens given cholinesterase inhibitors. Fundam Appl Toxicol. 1995 Jan;24(1):94-101.

Ratios of NTE/AChE inhibition in hen spinal cord, averaged over the doses used, were 2.6 after TOTP, 5.2 after PSP, 1.3 after mipafox, and 0.9 after DFP, which contrast with 0.53 after dichlorvos, 1.0 after malathion, and 0.46 after carbaryl.
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8806851 Jianmongkol S, Berkman CE, Thompson CM, Richardson RJ: Relative potencies of the four stereoisomers of isomalathion for inhibition of hen brain acetylcholinesterase and neurotoxic esterase in vitro. Toxicol Appl Pharmacol. 1996 Aug;139(2):342-8.

The cholinergic toxicity of malathion is exacerbated by its isomerization product, isomalathion, which inhibits detoxifying carboxylesterases as well as target acetylcholinesterase (AChE).
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