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XB-ART-58711
Bioorg Med Chem 2021 Dec 01;51:116516. doi: 10.1016/j.bmc.2021.116516.
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Novel methyllycaconitine analogues selective for the α4β2 over α7 nicotinic acetylcholine receptors.

Gallagher R , Qudah T , Balle T , Chebib M , McLeod MD .


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Analogues of methyllycaconitine (MLA) based on a (3-ethyl-9-methylidene-3-azabicyclo[3.3.1]nonan-1-yl)methanol template have been designed and synthesised that incorporate the modified ester sidechains distinct from that present in the natural product. Electrophysiology experiments using Xenopus oocytes expressing nicotinic acetylcholine receptors (nAChRs) revealed selected analogues served as non-competitive inhibitors that showed selectivity for the α4β2 over α7 nAChR subtypes, and selectivity for the (α4)3(β2)2 over (α4)2(β2)3 stoichiometry. This study more clearly defines the biological effects of MLA analogues and identifies strategies for the development of MLA analogues as selective ligands for the α4β2 nAChR subtype.

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Species referenced: Xenopus laevis