First Cdc7 Kinase Inhibitors: Pyrrolopyridinones as Potent and Orally Active Antitumor Agents. 2. Lead Discovery
作者:Maria Menichincheri、Alberto Bargiotti、Jens Berthelsen、Jay A. Bertrand、Roberto Bossi、Antonella Ciavolella、Alessandra Cirla、Cinzia Cristiani、Valter Croci、Roberto D’Alessio、Marina Fasolini、Francesco Fiorentini、Barbara Forte、Antonella Isacchi、Katia Martina、Antonio Molinari、Alessia Montagnoli、Paolo Orsini、Fabrizio Orzi、Enrico Pesenti、Daniele Pezzetta、Antonio Pillan、Italo Poggesi、Fulvia Roletto、Alessandra Scolaro、Marco Tatò、Marcellino Tibolla、Barbara Valsasina、Mario Varasi、Daniele Volpi、Corrado Santocanale、Ermes Vanotti
DOI:10.1021/jm800977q
日期:2009.1.22
Furthermore, we also describe the discovery of 89S, [(S)-2-(2-aminopyrimidin-4-yl)-7-(2-fluoro-ethyl)-1,5,6,7-tetrahydropyrrolo[3,2-c]pyridin-4-one], as a potent ATP mimetic inhibitor of Cdc7. Compound 89S has a Ki value of 0.5 nM, inhibits cell proliferation of different tumor cell lines with an IC50 in the submicromolar range, and exhibits in vivo tumor growth inhibition of 68% in the A2780 xenograft model
Cdc7激酶是细胞周期S期的关键调节因子,已知可促进真核生物中DNA复制起点的激活。Cdc7抑制作用可以以p53独立的方式导致肿瘤细胞死亡,这为开发用于治疗癌症的Cdc7抑制剂提供了理论依据。在本文中,我们总结了对Cdc7激酶具有抑制作用的2-杂芳基-吡咯并吡啶酮类化合物的构效关系研究。此外,我们还描述了89S,[(S)-2-(2-氨基嘧啶-4-基)-7-(2-氟乙基)-1,5,6,7-四氢吡咯并[3,2 - ç ]吡啶-4-酮],作为具有Cdc7的有效ATP模拟物抑制剂。化合物89S的K i值为0.5 nM,在亚微摩尔范围内的IC 50抑制不同肿瘤细胞系的细胞增殖,并且在A2780异种移植模型中表现出68%的体内肿瘤生长抑制。