Design, synthesis and anticancer activity of novel valproic acid conjugates with improved histone deacetylase (HDAC) inhibitory activity
作者:Tarek S. Ibrahim、Taghreed A. Sheha、Nader E. Abo-Dya、Mohammed A. AlAwadh、Nabil A. Alhakamy、Zakaria K. Abdel-Samii、Siva S. Panda、Gamal El-Din A. Abuo-Rahma、Mamdouh F.A. Mohamed
DOI:10.1016/j.bioorg.2020.103797
日期:2020.6
significant activity (IC50 9.10 µM against HePG2 and 6.81 µM against HCT116). However conjugate 2j showed broad-spectrum antitumor activity against all cell lines tested. In addition, conjugates 4j and 4k which contains phenyl hydrazide and hydroxamic acid group, respectively, also showed broad spectrum activity. Furthermore, six compounds were screened for HDAC 1-9 isozymes inhibitory activities. Compounds
已经设计和合成了二十五个丙戊酸缀合物。使用基于MTT的检测方法针对所有四种人类癌细胞系,包括肝(HePG2),结肠(HCT116),乳腺癌(MCF7)和宫颈(HeLa)癌细胞系,探索了所有目标化合物的体外抗增殖活性。在六个丙戊酸-氨基酸缀合物2a-f中。只有含半胱氨酸的结合物2f表现出显着的活性(针对HePG2的IC50为9.10 µM,针对HCT116的IC50为6.81 µM)。然而,缀合物2j对所有测试的细胞系显示广谱抗肿瘤活性。另外,分别包含苯酰肼和异羟肟酸基团的缀合物4j和4k也显示出广谱活性。此外,针对HDAC 1-9同工酶抑制活性筛选了6种化合物。化合物2j 4j和4k表现出比丙戊酸更高的抑制活性,但比SAHA更低。此外,对2j,4j和4k进行了体内抗肿瘤筛选,结果表明2j,4j和4k(尤其是4j)显示出肿瘤大小显着减小,并且可行的EAC计数显着降低。所选化合物4j的对接研究表明,它可以很好地与HDAC