The development of advanced structural framework as multi-target-directed ligands for the treatment of Alzheimer’s disease
作者:Zhipei Sang、Keren Wang、Jian Shi、Wenmin Liu、Xinfeng Cheng、Gaofeng Zhu、Yiling Wang、Yiyang Zhao、Zhanpin Qiao、Anguo Wu、Zhenghuai Tan
DOI:10.1016/j.ejmech.2020.112180
日期:2020.4
In this work, we have developed a novel series of multi-target-directed ligands to address low levels of acetylcholine (ACh), oxidative stress, metal ion dysregulation, and the misfolded proteins. Novel apigenin-donepezil derivatives, naringenin-donepezil derivatives, genistein-donepezil derivatives and chalcone-donepezil derivatives have been synthesized, in vitro results showed that TM-4 was a reversible
在这项工作中,我们已经开发了一系列新的多目标导向的配体,以解决低水平的乙酰胆碱(ACh),氧化应激,金属离子失调和蛋白质折叠错误的问题。合成了新的芹菜素-多奈哌齐衍生物,柚皮苷-多奈哌齐衍生物,染料木素-多奈哌齐衍生物和查尔酮-多奈哌齐衍生物,体外结果表明TM-4是可逆的有效的hu AChE(IC 50 = 0.36μM)和hu BChE( IC 50 = 15.3μM)抑制剂,并显示有效的抗氧化活性(ORAC = 1.2 eq)。TM-4能显著抑制自感应的β 1-42聚集(IC 50 = 3.7μM)。TM-4也是一个理想的神经保护剂,潜在的金属螯合剂,故能抑制和集计胡胆碱酯酶诱导和Cu 2+诱导的阿β聚集。此外,TM-4可以激活HT22细胞中的UPS降解途径,并诱导U87细胞自噬以清除与AD相关的异常蛋白。更重要的是,TM-4可以通过BBB体外测定。此外,体内试验表明,TM-4在AlCl