Design, synthesis and biological evaluation of 4-aminopyrimidine-5-cabaldehyde oximes as dual inhibitors of c-Met and VEGFR-2
作者:Hao Qiang、Weijie Gu、DanDan Huang、Wei Shi、Qianqian Qiu、Yuxuan Dai、Wenlong Huang、Hai Qian
DOI:10.1016/j.bmc.2016.03.061
日期:2016.8
various human cancers. Therefore, inhibiting both HGF/c-Met and VEGF/VEGFR signaling may provide a novel and effective therapeutic approach for treating patients with abroad spectrum of tumors. Toward this goal, we designed and synthesized a series of derivatives bearing 4-aminopyrimidine-5-cabaldehyde oxime scaffold as potent dual inhibitors of c-Met and VEGFR-2. The cell proliferation assay in vitro
c-Met / HGF和VEGFR-2 / VEGF的协同作用导致肿瘤血管生成的发展和各种人类癌症的进展。因此,同时抑制HGF / c-Met和VEGF / VEGFR信号传导可能为治疗国外肿瘤患者提供一种新颖有效的治疗方法。为了实现这个目标,我们设计并合成了一系列带有4-氨基嘧啶-5-多聚甲醛肟支架的衍生物,它们是c-Met和VEGFR-2的有效双重抑制剂。体外细胞增殖试验表明,大多数目标化合物对c-Met和VEGFR-2均具有抑制作用,IC 50值在纳摩尔范围内,尤其是化合物14i,18a和18b。根据进一步的体外酶分析,化合物18a被认为是最有效的化合物,其c-Met和VEGFR-2的IC 50分别为210 nM和170 nM。之后,我们将化合物10和18a与c-Met和VEGFR-2蛋白对接,并解释了这些类似物的SAR。所有结果表明,18a是c-Met和VEGFR-2的双重抑制剂,具有广阔的发展前景。