Acetylcholinesterase inhibition by nootkatone and carvacrol in arthropods
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Characterization of acetylcholinesterase-inhibition by itopride.
Itopride is a gastroprokinetic benzamide derivative. This agent inhibited both electric eel acetylcholinesterase (AChE) and horse serum butyrylcholinesterase (BuChE). The IC50 of itopride with AChE (2.04 +/- 0.27 microM) was, however, 100-fold less than that with BuChE, whereas in the case of neostigmine with AChE (11.3 +/- 3.4 nM), it was 10-fold less. The recovery of AChE activity inhibited b...
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In a bioassay-guided search for acetylcholinesterase (AChE) inhibitors from 180 medicinal plants, an ethyl acetate extract of whole plants of Agrimonia pilosa ledeb yielded tiliroside (1), 3-methoxy quercetin (2), quercitrin (3) and quercetin (4). We report herein for the first time that all four flavonol compounds showed significant inhibitory effects on AChE, particularly quercetin (4), which...
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the effects of cadmium and lead on human erythrocyte acetylcholinesterase activity were studied. blood used in this study was obtained from 24 healthy individuals, then after hemolysation, treated with 3 various concentrations of cadmium and lead. a strong inhibition of acetylcholinesterase was noted in treated samples by cadmium and lead. the remaining activity in the case of lead, the remaini...
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the effects of zinc and mercury on human erythrocyte acetylcholinestrase activity were studied. blood used in this study was obtained from 24 apparently healthy individuals and after hemolysation, was treted with 3 diferent concentrations of zinc and mercury. significant suppressions in acetylcholinestrase activity were recorded in treated samples by zinc and mercury. when compared to controls ...
متن کاملPlant-parasitic Nematode Acetylcholinesterase Inhibition by Carbamate and Organophosphate Nematicides.
The sensitivity of acetylcholinesterases (ACHE) isolated from the plant-parasitic nematodes Meloidogyne arenaria, M. incognita, and Heterodera glycines and the free-living nematode Caenorhabditis elegans to carbamate and organophosphate nematicides was examined. The AChE from plant-parasitic nematode species were more sensitive to carbamate inhibitors than was AChE from C. elegans, but response...
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ژورنال
عنوان ژورنال: Pesticide Biochemistry and Physiology
سال: 2012
ISSN: 0048-3575
DOI: 10.1016/j.pestbp.2011.12.002