Characterization of binding of antipsychotics to muscarinic receptors using mouse cerebral cortex.

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ID: 1522
2019
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Abstract
Antipsychotics are often the first-line treatment for behavioral and psychological symptoms of dementia. However, the potential anticholinergic effects of antipsychotics could counteract the therapeutic effects of cholinesterase inhibitors used to treat dementia. We investigated the inhibitory effects of 26 antipsychotics on [N-Methyl-H]scopolamine specific binding in mouse cerebral cortex. At 10 M, chlorpromazine, levomepromazine, prochlorperazine, timiperone, zotepine, pimozide, blonanserin, olanzapine, quetiapine, and clozapine inhibited [N-Methyl-H]scopolamine binding by > 45%. Furthermore, the pK values of chlorpromazine, levomepromazine, zotepine, olanzapine, and clozapine overlapped with their clinically achievable blood concentrations. Therefore, the anticholinergic properties of these antipsychotics could attenuate the effects of cholinesterase inhibitors.
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obara2019characterization Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors Obara, Keisuke;Horiguchi, Saki;Shimada, Toma;Ikarashi, Takumi;Yamaki, Fumiko;Matsuo, Kazuhiro;Yoshio, Takashi;Tanaka, Yoshio;
Journal Journal of pharmacological sciences
Year 2019
DOI
S1347-8613(19)34061-7
URL
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