Discovery of memantyl urea derivatives as potent soluble epoxide hydrolase inhibitors against lipopolysaccharide-induced sepsis
作者:Fangyu Du、Wenjiao Sun、Christophe Morisseau、Bruce D. Hammock、Xuefei Bao、Qiu Liu、Chao Wang、Tan Zhang、Hao Yang、Jun Zhou、Wei Xiao、Zhongbo Liu、Guoliang Chen
DOI:10.1016/j.ejmech.2021.113678
日期:2021.11
Sepsis, a systemic inflammatory response, caused by pathogenic factors including microorganisms, has high mortality and limited therapeutic approaches. Herein, a new soluble epoxide hydrolase (sEH) inhibitor series comprising a phenyl ring connected to a memantyl moiety via a urea or amide linkage has been designed. A preferential urea pharmacophore that improved the binding properties of the compounds
脓毒症是一种由微生物等致病因素引起的全身炎症反应,死亡率高,治疗方法有限。在此,设计了一种新的可溶性环氧化物水解酶(sEH)抑制剂系列,其包含通过脲或酰胺键连接到美金刚部分的苯环。通过体外和体内生化分析研究,确定了这些系列中可改善化合物结合特性的优先尿素药效基团。分子对接显示, B401中金刚烷基上的3,5-二甲基可以与sEH活性位点疏水口袋上的残基发生范德华相互作用,这可能间接解释了美金刚脲衍生物的体外亚纳摩尔水平活性优于AR- 9281 .其中,化合物B401显着提高了抑制效力,人和鼠的sEH IC 50值分别为0.4 nM和0.5 nM。虽然LPS诱导的脓毒症模型中C57BL/6小鼠的中位生存时间略有增加,但生存率并未达到显着疗效。基于安全性、代谢稳定性、药代动力学和体内功效, B401证明了此类基于美金刚脲的 sEH 抑制剂作为脓毒症治疗药物的潜力。