Design, synthesis and biological evaluation of rasagiline-clorgyline hybrids as novel dual inhibitors of monoamine oxidase-B and amyloid-β aggregation against Alzheimer’s disease
作者:Sai-Sai Xie、Jing Liu、Chunli Tang、Chengyun Pang、Qing Li、Yuelian Qin、Xiaojie Nong、Zhipeng Zhang、Jie Guo、Maojun Cheng、Weizhong Tang、Ningsheng Liang、Neng Jiang
DOI:10.1016/j.ejmech.2020.112475
日期:2020.9
(IC50 = 4 nM) and selectivity (SI > 25000) compared to the reference selective inhibitor rasagiline (IC50 = 141 nM, SI > 355), and exhibited good inhibitory activity against Aβ1-42 aggregation (40.78%, 25 μM). Kinetic and molecular modeling studies revealed that 6j was a competitive reversible inhibitor for hMAO-B. Moreover, compound 6j displayed low toxicity and good neuroprotective effects in SH-SY5Y
设计,合成和合成了一系列雷沙吉兰-氯氰菊酯杂合体,以抑制单胺氧化酶和β-淀粉样蛋白的聚集。发现大多数化合物是选择性的和高效的hMAO-B抑制剂,在纳摩尔中显示IC 50值,并显示出对淀粉样β聚集的中等抑制作用。7-((5-(甲基(prop-2-yn-1-基)氨基)戊基]氧基)苯并二氢吡喃-4-酮(6j)是这项研究中鉴定出的最有趣的化合物,具有较高的hMAO-B效能(IC 50 = 4 nM)和选择性(SI> 25000)与参考选择性抑制剂雷沙吉兰(IC 50 = 141 nM,SI> 355)相比,对Aβ1-42具有良好的抑制活性聚集(40.78%,25μM)。动力学和分子建模研究表明6j是hMAO-B的竞争性可逆抑制剂。此外,化合物6j在SH-SY5Y细胞试验中显示出低毒性和良好的神经保护作用,并且根据平行人工膜通透性试验可以穿透血脑屏障。药代动力学分析表明,化合物6j在静脉和口服给