Design, synthesis and biological activities of 2,3-dihydroquinazolin-4(1H)-one derivatives as TRPM2 inhibitors
作者:Han Zhang、Huan Liu、Xiao Luo、Yuxi Wang、Yuan Liu、Hongwei Jin、Zhenming Liu、Wei Yang、Peilin Yu、Liangren Zhang、Lihe Zhang
DOI:10.1016/j.ejmech.2018.04.045
日期:2018.5
temperature sensor. However, few TRPM2 inhibitors have been reported, especially TRP-subtype selective inhibitors, which hampers the investigation and validation of TRPM2 as a drug target. To discover novel TRPM2 inhibitors, 3D similarity-based virtual screening method was employed, by which 2,3-dihydroquinazolin-4(1H)-one derivative H1 was identified as a TRPM2 inhibitor. A series of novel 2,3-dihydroquinazolin-4(1H)-one
瞬态受体电位褪黑素2(TRPM2),可透过Ca2 +的阳离子通道,在胰岛素释放,细胞因子生成,体温调节和细胞死亡中起着关键作用,成为活性氧(ROS)和温度传感器。但是,很少有TRPM2抑制剂的报道,特别是TRP亚型选择性抑制剂,这阻碍了TRPM2作为药物靶标的研究和验证。为了发现新型TRPM2抑制剂,采用了基于3D相似性的虚拟筛选方法,将2,3-二氢喹唑啉-4(1H)-一衍生物H1鉴定为TRPM2抑制剂。随后合成和表征了一系列新颖的2,3-二氢喹唑啉-4(1H)-one衍生物。通过钙成像和电生理方法评估了它们对TRPM2通道的抑制活性。一些化合物表现出显着的抑制活性,尤其是D9,它对TRPM2的IC50为3.7μM,并且不影响TRPM8通道。总结的结构活性关系(SAR)为进一步开发特定TRPM2靶向抑制剂提供了宝贵的见识。