Stereoselective Activity of 1-Propargyl-4-styrylpiperidine-like Analogues That Can Discriminate between Monoamine Oxidase Isoforms A and B
作者:Damijan Knez、Natalia Colettis、Luca G. Iacovino、Matej Sova、Anja Pišlar、Janez Konc、Samo Lešnik、Josefina Higgs、Fabiola Kamecki、Irene Mangialavori、Ana Dolšak、Simon Žakelj、Jurij Trontelj、Janko Kos、Claudia Binda、Mariel Marder、Stanislav Gobec
DOI:10.1021/acs.jmedchem.9b01886
日期:2020.2.13
. While the cis isomers are potent human MAO-A inhibitors, the trans analogues selectively target only the MAO-B isoform. The inhibition was studied by kinetic analysis, UV-vis spectrum measurements, and X-ray crystallography. The selective inhibition of the MAO-A and MAO-B isoforms was confirmed ex vivo in mouse brain homogenates, and additional in vivo studies in mice show the therapeutic potential
最近,这种酶活性与心血管疾病,神经疾病和肿瘤疾病之间的相关性加剧了人们对单胺氧化酶(MAOs)兴趣的兴起。这促进了对选择性MAO-A和MAO-B抑制剂的更多研究。在这里,我们阐明了如何通过顺式和反式1-炔丙基-4-苯乙烯基哌啶的几何异构体实现对MAO-A和MAO-B的选择性抑制。尽管顺式异构体是有效的人MAO-A抑制剂,但反式类似物仅选择性靶向MAO-B同工型。通过动力学分析,UV-可见光谱测量和X射线晶体学研究了抑制作用。在小鼠脑匀浆中离体证实了对MAO-A和MAO-B同工型的选择性抑制,小鼠中的其他体内研究表明1-炔丙基-4-苯乙烯基哌啶对中枢神经系统疾病的治疗潜力。这项研究代表了顺式/反式异构体立体选择性活性的独特案例,可以区分结构上相关的酶同工型。