Discovery of benzofuran-3(2 H )-one derivatives as novel DRAK2 inhibitors that protect islet β-cells from apoptosis
作者:Sheng Wang、Lei Xu、Yu-Ting Lu、Yu-Fei Liu、Bing Han、Ting Liu、Jie Tang、Jia Li、Jiangping Wu、Jing-Ya Li、Li-Fang Yu、Fan Yang
DOI:10.1016/j.ejmech.2017.02.048
日期:2017.4
kinase-related apoptosis-inducing kinase-2 (DRAK2) is a serine/threonine kinase that plays a key role in a wide variety of cell death signaling pathways. Inhibition of DRAK2 was found to efficiently protect islet β-cells from apoptosis and hence DRAK2 inhibitors represent a promising therapeutic strategy for the treatment of diabetes. Only very few chemical entities targeting DRAK2 are currently known. We carried
死亡相关的蛋白激酶相关的凋亡诱导激酶2(DRAK2)是一种丝氨酸/苏氨酸激酶,在多种细胞死亡信号传导途径中起关键作用。发现抑制DRAK2可有效保护胰岛β细胞免于凋亡,因此DRAK2抑制剂代表了治疗糖尿病的有前途的治疗策略。目前仅知道靶向DRAK2的化学实体很少。我们进行了高通量筛选,并将化合物4鉴定为中度DRAK2抑制剂,IC50值为3.15μM。随后对命中化合物4的SAR研究导致开发出新型的benzofuran-3(2H)-DRAK2抑制剂系列,具有针对26种所选激酶的增强的效能和有利的选择性。重要的是,大多数有效化合物40(IC50 = 0.33μM)和41(IC50 = 0。发现25μM)以剂量依赖性方式保护胰岛β细胞免于凋亡。这些数据支持以下观点:DRAK2的小分子抑制剂代表了治疗糖尿病的有前途的策略。