作者:Sanofar Abdeen、Nilshad Salim、Najiba Mammadova、Corey M. Summers、Rochelle Frankson、Andrew J. Ambrose、Gregory G. Anderson、Peter G. Schultz、Arthur L. Horwich、Eli Chapman、Steven M. Johnson
DOI:10.1016/j.bmcl.2016.04.089
日期:2016.7
compounds exhibited antibiotic effects from the low-μM to mid-nM range. While several compounds inhibited the human HSP60/10 refolding cycle, some were able to selectively target the bacterial GroEL/ES system. Despite inhibiting HSP60/10, many compounds exhibited low to no cytotoxicity against human liver and kidney cell lines. Two lead candidates emerged from the panel, compounds 8 and 18, that exhibit >50-fold
我们最近报道了高通量筛选工作的结果,该工作确定了235种大肠杆菌GroEL / ES伴侣蛋白系统的抑制剂[Bioorg。中 化学 Lett.2014,24,786]。由于GroEL / ES伴侣蛋白系统对于所有条件下的生长都是必不可少的,因此我们认为用小分子抑制剂靶向GroEL / ES可能是一种可行的抗菌策略。从最初的筛选扩展到这里,我们在此报告了22种GroEL / ES抑制剂对一系列革兰氏阳性和革兰氏阴性细菌的抗菌活性,这些细菌包括大肠杆菌,枯草芽孢杆菌,粪肠球菌,金黄色葡萄球菌,肺炎克雷伯菌,鲍曼不动杆菌,铜绿假单胞菌和阴沟肠杆菌。GroEL / ES抑制剂在阻止革兰氏阳性细菌(尤其是金黄色葡萄球菌)的增殖方面更为有效,铅化合物在从低μM到中nM的范围内表现出抗生素作用。尽管有几种化合物抑制了人类HSP60 / 10的重折叠周期,但有些却能够选择性地靶向细菌GroEL / ES系统。尽管抑制了HSP60