Design, synthesis and biological evaluation of cobalt(II)-Schiff base complexes as ATP-noncompetitive MEK1 inhibitors
作者:Hongyue Li、Dandan Xi、Yan Niu、Chao Wang、Fengrong Xu、Lei Liang、Ping Xu
DOI:10.1016/j.jinorgbio.2019.03.022
日期:2019.6
series of cobalt(II)-Schiff base complexes (CoSBC) with competent MEK1 (mitogen-activated protein kinase kinase−1) inhibitory activity. Based on our previous report, the CoSBC exhibited high binding affinity with MEK1 protein. To further explore metal complexes as MEK1 inhibitors, a series of transition metals and ligands were employed to build a library of various metal Schiff base complexes. The MEK inhibition
在本报告中,我们设计并合成了一系列具有有效MEK1(促分裂原活化蛋白激酶激酶-1)抑制活性的钴(II)-席夫碱复合物(CoSBC)。根据我们先前的报道,CoSBC与MEK1蛋白具有很高的结合亲和力。为了进一步探索作为MEK1抑制剂的金属配合物,采用了一系列过渡金属和配体来构建各种金属席夫碱配合物的文库。MEK抑制试验表明,只有CoSBC表现出明显的抑制活性,复合物2b在BRaf(B迅速加速的纤维肉瘤)/ MEK1和MEK1 / ERK2(细胞外信号调节激酶-2)级联反应中均表现出最好的抑制作用(IC 50分别为1.988±0.14μM和1.589±0.054μM)。此外,采用均相时间分辨荧光测试方法证明了CoSBC是ATP非竞争性MEK1抑制剂。MEK激酶选择性测定表明,CoSBC可以选择性抑制MEK1 / 2激酶,而不是其他MAPK(促分裂原激活的蛋白激酶)家族激酶。此外,计算机辅助药物