Design of wogonin-inspired selective cyclin-dependent kinase 9 (CDK9) inhibitors with potent in vitro and in vivo antitumor activity
作者:Jubo Wang、Tinghan Li、Tengteng Zhao、Tizhi Wu、Chuang Liu、Hong Ding、Zhiyu Li、Jinlei Bian
DOI:10.1016/j.ejmech.2019.06.024
日期:2019.9
baicalensis, has been shown to be a potent and selective inhibitor of CDK9. With the purpose of investigating the activity and selectivity of this chemical scaffold, several series of wogonin derivatives were prepared and screened for CDK9 inhibition and cellular antiproliferative activity. Among these compounds, the drug-like compound 51 showed potent activity against CDK9 (IC50 = 19.9 nM) and MV4-11 cell
Wogonin是从黄S中提取的天然产物,已被证明是CDK9的有效和选择性抑制剂。为了研究该化学支架的活性和选择性,制备了几种系列的wogonin衍生物,并筛选了其对CDK9的抑制作用和细胞的抗增殖活性。在这些化合物中,类药物化合物51显示出对CDK9(IC 50 = 19.9 nM)和MV4-11细胞生长(IC 50 = 20 nM)的有效活性。另外,与母体化合物沃戈宁相比,化合物51显示出大大改善的理化性质,例如水溶性。后续研究表明,该化合物51对CDK9过表达的癌细胞比正常细胞具有选择性。初步的抗癌作用机理研究表明,51通过半胱天冬酶依赖性凋亡抑制了MV4-11细胞的增殖。此外,突出显示的化合物51在小鼠急性髓细胞白血病(AML)模型中显示出显着的抗肿瘤活性,而在体内没有产生明显的毒性作用,这为我们进一步研究CDK9靶向抑制剂作为一种潜在的抗肿瘤药物特别是针对AML提供了新的工具。