Structure-activity relationship investigation of Phe-Arg mimetic region of human glutaminyl cyclase inhibitors
作者:Van T.H. Ngo、Van-Hai Hoang、Phuong-Thao Tran、Nguyen Van Manh、Jihyae Ann、Eunhye Kim、Minghua Cui、Sun Choi、Jiyoun Lee、Hee Kim、Hee-Jin Ha、Kwanghyun Choi、Young-Ho Kim、Jeewoo Lee
DOI:10.1016/j.bmc.2018.04.040
日期:2018.7
AβN3pE-40-lowering effects in in vivo acute model with reasonable BBB penetration, without showing cytotoxicity and hERG inhibition. The molecular modeling analysis of 53 indicated that the salt bridge interaction and the hydrogen bonding in the active site provided a high potency. Given the potent activity and favorable BBB penetration with low cytotoxicity, we believe that compound 53 may serve as a
谷氨酰环化酶(QC)由于其参与了阿尔茨海默氏病的发病机理,因此是有希望的治疗靶标。在这项研究中,我们开发了新型的QC抑制剂,其中包含3-氨基烷氧基-4-甲氧基苯基和4-氨基烷氧基苯基,以取代先前开发的药效团。鉴定了几种有效的抑制剂,显示出低纳摩尔范围的IC50值,并进一步研究了其体外毒性和体内活性。其中,抑制剂51和53在具有合理的BBB渗透的体内急性模型中显示出最有效的AβN3pE-40降低作用,而没有细胞毒性和hERG抑制作用。53的分子模型分析表明,活性位点中的盐桥相互作用和氢键提供了高效力。