Target β-catenin/CD44/Nanog axis in colon cancer cells by certain N′-(2-oxoindolin-3-ylidene)-2-(benzyloxy)benzohydrazides
作者:Awwad A. Radwan、F. Al-Mohanna、Fares K. Alanazi、P.S. Manogaran、Abdullah Al-Dhfyan
DOI:10.1016/j.bmcl.2016.02.064
日期:2016.4
functional level, however chemical inhibition approach of CD44 to targets CSCs is poorly studied. Herein, we report the discovery of certain N′-(2-oxoindolin-3-ylidene)-2-(benzyloxy)benzohydrazides as a novel inhibitor of CD44. Molecular docking study showed interference of the scaffold of these compounds with β-catenin/TCF-4 complex, building a direct relationship between CD44 inhibition and observed
细胞表面分子CD44在表型和功能水平上对癌症干细胞CSC的调节均起着主要作用,但是对CD44靶向CSCs的化学抑制方法研究很少。在此,我们报告发现某些N '-(2-氧代吲哚-3-亚基)-2-(苄氧基)苯并酰肼作为CD44的新型抑制剂的发现。分子对接研究表明,这些化合物的支架受到β-catenin/ TCF-4复合物的干扰,建立了CD44抑制与观察到的合适结合域之间的直接关系。化合物11a,最有力的成员引发对TCF / LEF报告基因活性的抑制作用,符合Wnt途径抑制的作用机制。此外,上述化合物的治疗可导致抑制胚胎转录因子Nanog,但不能抑制Sox2或Oct-4的特异性靶向作用。而且,该系列的细胞毒性和细胞周期效应似乎取决于CD44表达。