Discovery of (E)-N-(4-((4-methylpiperazin-1-yl)methyl)-3-(trifluoromethyl)phenyl)-3-((3-(2-(pyridin-2-yl)vinyl)-1H-indazol-6-yl)thio)propanamide (CHMFL-ABL-121) as a highly potent ABL kinase inhibitor capable of overcoming a variety of ABL mutants including T315I for chronic myeloid leukemia
作者:Xuesong Liu、Beilei Wang、Cheng Chen、Zongru Jiang、Chen Hu、Hong Wu、Yicong Zhang、Xiaochuan Liu、Wenliang Wang、Junjie Wang、Zhenquan Hu、Aoli Wang、Tao Huang、Qingwang Liu、Wei Wang、Li Wang、Wenchao Wang、Tao Ren、Lili Li、Ruixiang Xia、Jian Ge、Qingsong Liu、Jing Liu
DOI:10.1016/j.ejmech.2018.10.007
日期:2018.12
mutants. Starting from a type I inhibitor axitinib, which has been reported to overcome ABL-T315I mutant induced resistance, through a structure guided drug design approach and binding mode switch strategy, we have discovered a novel type II ABL inhibitor 24 (CHMFL-ABL-121), which significantly improved the inhibitory activity against ABL wt and a broad spectrum of mutants including the most prevalent imatinib-resistant
在临床上仍然需要能够克服各种对伊马替尼耐药的ABL突变体的药物。从一种据报道可克服ABL-T315I突变体诱导的耐药性的I型抑制剂阿西替尼开始,通过结构指导药物设计方法和结合模式转换策略,我们发现了一种新型的II型ABL抑制剂24(CHMFL-ABL-121 ),从而显着改善了对ABL wt的抑制活性以及包括最流行的伊马替尼耐药性看门人突变体T315I在内的多种突变体。24对纯化的非活性ABL wt和T315I激酶蛋白分别显示2nM和0.2nM的IC 50值,并用GI 50抑制已建立的CML细胞系的增殖单位为nM。在细胞环境中,有24种强烈影响BCR-ABL介导的信号通路,并诱导了细胞凋亡以及G0 / G1期的细胞周期停滞。在体内研究中,在TEL-ABLT315I-BaF3细胞接种的同种异体移植小鼠模型中,以24 mg的50 mg / kg / day剂量显示TGI为52%,而没有明显的毒性。