compounds based on sorafenib were designed, synthesized and biologically evaluated. Using de novo design method, a library of new ligands was generated and expanded. Considering in silico binding affinity towards VEGFR2, synthetic feasibility, and drug-likeness property, some of the designed ligands were selected for synthesis and screening for their in vitro antiproliferative activities against two cancer
为了开发阻断V
EGFR2和Raf / MEK / ERK丝裂原活化的蛋白激酶信号通路的
抑制剂,设计,合成和
生物学评估了基于
索拉非尼的新化合物。使用从头设计方法,生成并扩展了新的
配体库。考虑到对V
EGFR2的计算机结合亲和力,合成可行性和药物相似性,选择了一些设计的
配体进行合成,并筛选了它们对两种癌
细胞系(HT-29和A549)的体外抗增殖活性。四种化合物(13a,14a,14l和15b)显示出更强的抗增殖活性(IC 50为与阳性参考药物
索拉非尼(IC 50 = 17.28μM)相比,针对HT-29细胞的HT-29值分别为13.27、6.62、12.74、3.38μM)。值得注意的是,化合物15b表现出最高的活性,尤其是它诱导HT-29凋亡,增加细胞内活性氧
水平,将细胞周期阻滞在G0 / G1期,并影响凋亡相关蛋白和细胞周期相关蛋白的表达。15b化合物可有效阻断Raf / MEK / ER