Jing_2023_Bioorg.Chem_134_106465

Reference

Title : Rapid discovery and crystallography study of highly potent and selective butylcholinesterase inhibitors based on oxime-containing libraries and conformational restriction strategies - Jing_2023_Bioorg.Chem_134_106465
Author(s) : Jing L , Wei W , Meng B , Chantegreil F , Nachon F , Martinez A , Wu G , Zhao H , Song Y , Kang D , Brazzolotto X , Zhan P , Liu X
Ref : Bioorg Chem , 134 :106465 , 2023
Abstract : Butyrylcholinesterase is regarded as a promising drug target in advanced Alzheimer's disease. In order to identify highly selective and potent BuChE inhibitors, a 53-membered compound library was constructed via the oxime-based tethering approach based on microscale synthesis. Although A2Q17 and A3Q12 exhibited higher BuChE selectivity versus acetylcholinesterase, the inhibitory activities were unsatisfactory and A3Q12 did not inhibit Abeta1-42 peptide self-induced aggregation. With A2Q17 and A3Q12 as leads, a novel series of tacrine derivatives with nitrogen-containing heterocycles were designed based on conformation restriction strategy. The results demonstrated that 39 (IC50 = 3.49 nM) and 43 (IC50 = 7.44 nM) yielded much improved hBuChE inhibitory activity compared to the lead A3Q12 (IC50 = 63 nM). Besides, the selectivity indexes (SI = AChE IC50 / BChE IC50) of 39 (SI = 33) and 43 (SI = 20) were also higher than A3Q12 (SI = 14). The results of the kinetic study showed that 39 and 43 exhibited a mixed-type inhibition against eqBuChE with respective Ki values of 1.715 nM and 0.781 nM. And 39 and 43 could inhibit Abeta1-42 peptide self-induced aggregation into fibril. X-ray crystallography structures of 39 or 43 complexes with BuChE revealed the molecular basis for their high potency. Thus, 39 and 43 are deserve for further study to develop potential drug candidates for the treatment of Alzheimer's disease.
ESTHER : Jing_2023_Bioorg.Chem_134_106465
PubMedSearch : Jing_2023_Bioorg.Chem_134_106465
PubMedID: 36933339
Gene_locus related to this paper: human-BCHE

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Gene_locus related to this paper: human-BCHE

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Jing L, Wei W, Meng B, Chantegreil F, Nachon F, Martinez A, Wu G, Zhao H, Song Y, Kang D, Brazzolotto X, Zhan P, Liu X (2023)
Rapid discovery and crystallography study of highly potent and selective butylcholinesterase inhibitors based on oxime-containing libraries and conformational restriction strategies
Bioorg Chem 134 :106465

Jing L, Wei W, Meng B, Chantegreil F, Nachon F, Martinez A, Wu G, Zhao H, Song Y, Kang D, Brazzolotto X, Zhan P, Liu X (2023)
Bioorg Chem 134 :106465