Design and biological evaluation of novel triaryl pyrazoline derivatives with dioxane moiety for selective BRAFV600E inhibition
作者:Hong-Lin Li、Mi-Mi Su、Yun-Jie Xu、Chen Xu、Yu-Shun Yang、Hai-Liang Zhu
DOI:10.1016/j.ejmech.2018.06.043
日期:2018.7
A series of novel selective BRAFV600E inhibitory agents (Compound 1–16) 5-(2,3-dihydrobenzo[b][1,4]dioxane-6-yl)-N,3-diaryl-4,5-dihydro-1H-pyrazole-1-carbothioamides have been designed and synthesized. Their anti-proliferation and BRAF inhibitory activities were evaluated. Though 15, 4 and 12 all displayed comparable activity with the positive control Vemurafenib, only 12 indicated fine selectivity
一系列新型的选择性BRAF V600E抑制剂(化合物1-16)5-(2,3-二氢苯并[ b ] [1,4]二恶烷-6-基)-N,3-二芳基-4,5-二氢-已经设计并合成了1 H-吡唑-1-碳硫酰胺。对它们的抗增殖和BRAF抑制活性进行了评估。虽然15,4和12都显示相当的活性与阳性对照威罗菲尼,只有12上BRAF指示的细选择性V600E(IC50 = 0.06 μ M代表BRAF V600E ; GI 50 = 0.52 μ M代表A375)在BRAF WT在激酶和细胞水平上 该结果满足了提高活性和引入选择性的设计思想。流式细胞仪分析和免疫印迹证实了细胞凋亡的诱导和激酶抑制活性。对接仿真推断了BRAF V600E和BRAF WT在结合方式上的差异,指出未来的方向可能是寻找BRAF V600E的外层空间结合,并避免与BRAF WT的HIS573相互作用。这些结果使有效的BRAF抑制剂向选