Design, synthesis, and biological evaluation of novel 4,4′-bipyridine derivatives acting as CDK9-Cyclin T1 protein-protein interaction inhibitors against triple-negative breast cancer
作者:Guiping Gao、Jiayi Li、Yin Cao、Xudan Li、Yuqing Qian、Xiumei Wang、Mengyu Li、Yingkun Qiu、Tong Wu、Liqiang Wang、Meijuan Fang
DOI:10.1016/j.ejmech.2023.115858
日期:2023.12
poor patient prognosis, while inhibiting CDK9-Cyclin T1 protein-protein interaction has recently been demonstrated as a new approach to TNBC treatment. Herein, we synthesized a novel class of 4,4′-bipyridine derivatives as potential CDK9-Cyclin T1 PPI inhibitors against TNBC. The represented compound B19 was found to be an excellent and selective CDK9-Cyclin T1 PPI inhibitor with good potency against TNBC
细胞周期蛋白依赖性激酶 9 (CDK9) 与三阴性乳腺癌 (TNBC) 患者的肿瘤发展直接相关。CDK9 增加与患者预后不良显着相关,而抑制 CDK9-Cyclin T1 蛋白-蛋白相互作用最近已被证明是 TNBC 治疗的新方法。在此,我们合成了一类新型 4,4'-联吡啶衍生物,作为针对 TNBC 的潜在 CDK9-Cyclin T1 PPI 抑制剂。所代表的化合物B19被发现是一种优异的选择性 CDK9-Cyclin T1 PPI 抑制剂,对 TNBC 细胞系具有良好的效力,同时在正常人细胞系中表现出比阳性化合物 I- CDK9更低的毒性。值得注意的是,化合物B19在治疗指数超过 42 的小鼠中表现出良好的药代动力学特性和优异的抗 TNBC (4T1) 同种异体移植物活性 (TGI 4T1 (12.5 mg/kg, i . p .) = 63.1% vs. LD 50 = 537 毫