Novel chromenyl-based 2-iminothiazolidin-4-one derivatives as tubulin polymerization inhibitors: Design, synthesis, biological evaluation and molecular modelling studies
作者:Dilep Kumar Sigalapalli、Venkatesh Pooladanda、Manasa Kadagathur、Sravanthi Devi Guggilapu、Jaya Lakshmi Uppu、Chandraiah Godugu、Nagendra Babu Bathini、Neelima D. Tangellamudi
DOI:10.1016/j.molstruc.2020.128847
日期:2021.2
Abstract Here-in, we present molecular design, chemical synthesis and evaluation of novel chromenyl-based 2-iminothiazolidin-4-one derivatives as tubulin polymerization inhibitors. The newly synthesized compounds were evaluated for their in vitro cytotoxicities against A549 (lung cancer), MDA-MB-231 and BT-471 (breast cancer), HepG2 (liver cancer) and HCT-116 (colon cancer) cell lines by MTT assay
摘要 在此,我们介绍了作为微管蛋白聚合抑制剂的新型色烯基 2-iminothiazolidin-4-one 衍生物的分子设计、化学合成和评价。通过 MTT 测定评估新合成的化合物对 A549(肺癌)、MDA-MB-231 和 BT-471(乳腺癌)、HepG2(肝癌)和 HCT-116(结肠癌)细胞系的体外细胞毒性. 在合成的化合物中,化合物12b对MDA-MB-231细胞系显示出优异的抗癌活性,IC50值为0.95±1.88 μM,并在正常人支气管上皮细胞(Beas-2B)中被证实是安全的。使用形态学观察、AO/EB 和 DAPI 染色程序观察由铅 12b 诱导的细胞凋亡。更多,通过 JC-1 染色还观察到线粒体膜去极化的剂量依赖性增加。膜联蛋白 V-FITC/PI 测定证实 12b 诱导早期细胞凋亡。此外,细胞周期分析表明,MDA-MB-231 细胞在亚 G2/M 期停滞,并抑制微管蛋白聚合,IC50