Design, Synthesis, and Biological Evaluation of Chalcone-Containing Shikonin Derivatives as Inhibitors of Tubulin Polymerization
作者:Han-Yue Qiu、Fang Wang、Xue Wang、Wen-Xue Sun、Jin-Liang Qi、Yan-Jun Pang、Rong-Wu Yang、Gui-Hua Lu、Xiao-Ming Wang、Yong-Hua Yang
DOI:10.1002/cmdc.201700001
日期:2017.3.7
chalcone-containing shikonin derivatives was designed, synthesized, and evaluated for biological activities. Among them, derivative PMMB-259 [(R)-1-(5,8-dihydroxy-1,4-dioxo-1,4-dihydronaphthalen-2-yl)-4-methylpent-3-en-1-yl (E)-2-(4-(3-oxo-3-(3-(trifluoromethoxy)phenyl)prop-1-en-1-yl)phenoxy)acetate] was identified as a potent inhibitor of tubulin polymerization. Further investigation confirmed that PMMB-259
微管在有丝分裂中的生物学重要性使其成为开发抗癌剂的有趣目标。在这项研究中,设计,合成和评估了一系列新型的含查尔酮的紫草素衍生物。其中,衍生物PMMB-259 [(R)-1-(5,8-二羟基-1,4-二氧代-1,4-二氢萘-2-基)-4-甲基戊-3-烯-1-基( E)-2-(4-(3-氧代-3-(3-(三氟甲氧基)苯基)丙-1-烯-1-基)苯氧基)乙酸酯]被认为是微管蛋白聚合的有效抑制剂。进一步的研究证实,PMMB-259可以诱导MCF-7细胞凋亡,降低线粒体跨膜电位,并使细胞周期停留在G2 / M期。此外,通过共聚焦显微镜观察了处理过的细胞的形态变化。结果以及对接模拟 进一步表明PMMB-259可以在秋水仙碱位点上与微管蛋白很好地结合。总体而言,这些研究可为靶向微管蛋白的抗肿瘤药物的进一步开发提供新的分子支架。