Rational Design and Multibiological Profiling of Novel Donepezil–Trolox Hybrids against Alzheimer’s Disease, with Cholinergic, Antioxidant, Neuroprotective, and Cognition Enhancing Properties
作者:Pei Cai、Si-Qiang Fang、Xue-Lian Yang、Jia-Jia Wu、Qiao-Hong Liu、Hao Hong、Xiao-Bing Wang、Ling-Yi Kong
DOI:10.1021/acschemneuro.7b00257
日期:2017.11.15
A novel series of donepezil-trolox hybrids were designed, synthesized, and evaluated as multifunctional ligands against Alzheimer’s disease (AD). Biological assays showed that these derivatives possessed moderate to good inhibitory activities against acetylcholinesterase (AChE) and monoamine oxidase B (MAO-B) as well as remarkable antioxidant effects. The optimal compound 6d exhibited balanced functions
设计,合成和评估了一系列新的多奈哌齐-trolox杂种,作为对抗阿尔茨海默氏病(AD)的多功能配体。生物学测定表明,这些衍生物对乙酰胆碱酯酶(AChE)和单胺氧化酶B(MAO-B)具有中等至良好的抑制活性,并具有显着的抗氧化作用。最佳化合物6d表现出平衡的功能,对h AChE(IC 50 = 0.54μM)和h MAO-B(IC 50 = 4.3μM)具有良好的抑制作用,具有显着的抗氧化活性(通过DPPH方法测得的IC 50为41.33μMIC 50、1.72和1.79 trolox当量通过ABTS和ORAC方法),优异的铜螯合和Aβ1–42聚集抑制作用。此外,细胞测试表明6d具有极低的毒性,并且能够抵抗氧化毒素(H 2 O 2,鱼藤酮和寡霉素-A)引起的神经毒性。最重要的是,在小鼠模型中口服6d表现出对东pol碱引起的急性记忆缺陷以及d-半乳糖(d -gal)和AlCl 3引起的慢性氧化