Development of Potent NEDD8-Activating Enzyme Inhibitors Bearing a Pyrimidotriazole Scaffold
作者:Chaodong Xiong、Lina Zhou、Jing Tan、Shanshan Song、Xubin Bao、Ning Zhang、Huaqian Ding、Jiannan Zhao、Jin-xue He、Ze-Hong Miao、Ao Zhang
DOI:10.1021/acs.jmedchem.1c00242
日期:2021.5.13
development of new inhibitors with both high potency and better safety profiles are urgently needed. Here, we report a structural hopping strategy by optimizing the central deazapurine framework and the solvent interaction region of compound 1, leading to compound 26 bearing a pyrimidotriazole scaffold. Compound 26 not only has compatible potency in the biochemical and cell assays but also possesses improved
泛素样蛋白NEDD8是关键信号分子,与细胞的功能维持和体内平衡有关。该过程的失调涉及多种人类疾病,包括癌症。因此,NEDD8激活酶E1(NAE),是二烯化途径的唯一激活酶,已成为新兴的抗癌靶标。鉴于临床NAE抑制剂培维酮他汀(化合物1,MLN4924)的单药反应中等,迫切需要开发具有高效力和更好安全性的新型抑制剂。在这里,我们报告了一种结构跳变策略,该策略通过优化中心去氮杂嘌呤骨架和化合物1的溶剂相互作用区域来实现,从而形成化合物26带有嘧啶三唑支架。化合物26不仅具有在生物化学和细胞测定兼容效力而且具有改善的药物动力学(PK)比化合物性质1。在体内,化合物26在异种移植模型中显示出显着的抗肿瘤功效和良好的安全性。