Furoxans (Oxadiazole-4<i>N</i>-oxides) with Attenuated Reactivity are Neuroprotective, Cross the Blood Brain Barrier, and Improve Passive Avoidance Memory
作者:Austin Horton、Kevin Nash、Ethel Tackie-Yarboi、Alexander Kostrevski、Adam Novak、Aparna Raghavan、Jatin Tulsulkar、Qasim Alhadidi、Nathan Wamer、Bryn Langenderfer、Kalee Royster、Maxwell Ducharme、Katelyn Hagood、Megan Post、Zahoor A. Shah、Isaac T. Schiefer
DOI:10.1021/acs.jmedchem.8b00389
日期:2018.5.24
Nitric oxide (NO) mimetics and other agents capable of enhancing NO/cGMP signaling have demonstrated efficacy as potential therapies for Alzheimer’s disease. A group of thiol-dependent NO mimetics known as furoxans may be designed to exhibit attenuated reactivity to provide slow onset NO effects. The present study describes the design, synthesis, and evaluation of a furoxan library resulting in the
一氧化氮(NO)模拟物和其他能够增强NO / cGMP信号传导的药物已证明可作为治疗阿尔茨海默氏病的有效方法。可以设计一组称为呋喃喃的硫醇依赖性NO模拟物,以表现出减弱的反应性,从而提供缓慢的NO效应。本研究描述了呋喃聚糖文库的设计,合成和评估,从而鉴定出了呋喃喃原型5a,该原型已被确定可用于中枢神经系统。在生理条件下,呋喃喃5a对普通细胞硫醇的反应性可忽略不计。尽管如此,仍观察到了cGMP依赖性神经保护作用,并且5a(20 mg / kg)在被动回避恐惧记忆的小鼠模型中逆转了胆碱能记忆缺陷。重要的是,可以将5a制成可药用盐的形式,并在口服12小时后在大脑中观察到,这表明每日给药的潜力和出色的代谢稳定性。继续研究呋喃喃类药物作为中枢神经系统的减毒NO模拟物是有必要的。