4-arylamidobenzyl substituted 5-bromomethylene-2(5 H )-furanones for chronic bacterial infection
作者:Xing-Jun Xu、Fang Wang、Ting Zeng、Jing Lin、Jun Liu、Yi-Qun Chang、Ping-Hua Sun、Wei-Min Chen
DOI:10.1016/j.ejmech.2017.11.085
日期:2018.1
(QS) can cause bacterial biofilm formation, thus induce antibiotic resistance and inflammation in chronic bacterial infections. A series of novel 4-arylamidobenzyl substituted 5-bromomethylene-2(5H)-furanones were designed by introducing of brominated furanones into rosiglitazone skeleton, and their potential application in the treatment of chronic bacterial infection was evaluated with regard to their
细菌群体感应(QS)可以引起细菌生物膜形成,从而在慢性细菌感染中引起抗生素耐药性和炎症。通过将溴代呋喃酮引入罗格列酮骨架中,设计了一系列新颖的4-芳酰胺基苄基取代的5-溴亚甲基-2(5 H)-呋喃酮,并就其破坏群体的能力评估了其在慢性细菌感染治疗中的潜在应用。感测和抗炎活性在体外以及在动物感染模型。化合物2e显示出有效的QS抑制活性和抗炎活性。进一步的机理研究表明2e和2k的生物学效应可能至少部分归因于它们与PPARγ的相互作用,并因此抑制了NF-κB和MAPK级联的激活。重要的是,用2e预处理可显着保护小鼠免受致命剂量LPS攻击。因此,这些数据表明双重有效衍生物2e可作为治疗慢性细菌感染的有价值的候选物。