نتایج جستجو برای: organophosphorus hydrolase

تعداد نتایج: 26121  

Journal: :The Journal of pharmacology and experimental therapeutics 2001
E G Duysen B Li W Xie L M Schopfer R S Anderson C A Broomfield O Lockridge

The possibility that organophosphate toxicity is due to inhibition of targets other than acetylcholinesterase (AChE, EC 3.1.1.7) was examined in AChE knockout mice. Mice (34-55 days old) were grouped for this study, after it was determined that AChE, butyrylcholinesterase (BChE), and carboxylesterase activities had reached stable values by this age. Mice with 0, 50, or 100% AChE activity were t...

Journal: :Toxicology and applied pharmacology 2008
Sarah C Vose Kazutoshi Fujioka Alex G Gulevich Amy Y Lin Nina T Holland John E Casida

Neuropathy target esterase (NTE) plays critical roles in embryonic development and maintenance of peripheral axons. It is a secondary target of some organophosphorus toxicants including analogs of insecticides and chemical warfare agents. Although the mechanistic role of NTE in vivo is poorly defined, it is known to hydrolyze lysophosphatidylcholine (LPC) in vitro and may protect cell membranes...

Journal: :Proceedings of the National Academy of Sciences of the United States of America 2005
Daniel K Nomura Donmienne Leung Kyle P Chiang Gary B Quistad Benjamin F Cravatt John E Casida

Organophosphorus (OP) insecticides and chemical warfare agents act primarily by inhibiting acetylcholinesterase. There are many secondary targets for OP toxicants as observed for example with the major insecticide chlorpyrifos and its bioactivated metabolite chlorpyrifos oxon (CPO). Therefore, it was surprising that the predominant mouse brain protein labeled in vitro by [(3)H-ethyl]CPO (1 nM) ...

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