Synthesis and biological evaluation of triterpenoid thiazoles derived from betulonic acid, dihydrobetulonic acid, and ursonic acid
作者:Lucie Borková、Ivo Frydrych、Nikola Jakubcová、Richard Adámek、Barbora Lišková、Soňa Gurská、Martina Medvedíková、Marián Hajdúch、Milan Urban
DOI:10.1016/j.ejmech.2019.111806
日期:2020.1
In this work, 35 new derivatives of betulonic, dihydrobetulonic and ursonic acid were prepared including 30 aminothiazoles and all of them were tested for their in vitro cytotoxic activity in eight cancer cell lines and two non-cancer fibroblasts. Compounds with the IC50 below 5 μM in CCRF-CEM cells and low toxicity in non-cancer fibroblasts (4m, 5c, 5m, 6c, 6m, 7b, and 7c) were further subjected to
在这项工作中,制备了35种新的苯磺酸,二氢苯甲酸和熊果酸衍生物,其中包括30种氨基噻唑,并测试了它们在8种癌细胞系和2种非癌性成纤维细胞中的体外细胞毒活性。对CCRF-CEM细胞中IC50值低于5μM且对非癌性成纤维细胞(4m,5c,5m,6c,6m,7b和7c)毒性低的化合物进一步进行药理学参数测试,从而获得用于晚期治疗的最终药物生物学评估(4m,5m,6m和7b)。通过多种方法证明,它们均通过内在途径触发凋亡,而衍生物5m和7b最有效(IC50为2.4μM和3.6μM)。它们是成为潜在的新抗癌药物的最佳候选者,并将在小鼠体内进行体内测试。此外,化合物6b和6c值得更多关注,因为它们的活性不仅限于对化学敏感的CCRF-CEM细胞系。具体地,化合物6b对K562白血病细胞系(0.7μM)具有高活性,并且其在结肠癌HCT116细胞系中的IC50活性为1.0μM。化合物6c在正常K562和耐药K562-TAX细胞系(IC50