Combination of amino acid/dipeptide with ligustrazine-betulinic acid as antitumor agents
作者:Bing Xu、Wen-Qiang Yan、Xin Xu、Gao-Rong Wu、Chen-Ze Zhang、Yao-Tian Han、Fu-Hao Chu、Rui Zhao、Peng-Long Wang、Hai-Min Lei
DOI:10.1016/j.ejmech.2017.02.036
日期:2017.4
tumor cell apoptosis in various cancer cell lines, had previously been reported. Moreover, reports have revealed that the introduction of amino acid to betulinic acid could improve selective cytotoxicity as well as water solubility. Thus, a series of novel TBA amino acid and dipeptide derivatives were designed, synthesized and screened for selective cytotoxic activity against five cancer cell lines
铅化合物TBA,3β-羟基-lup-20(29)-烯-28-油酸-3、5、6-三甲基吡嗪-2-甲基酯,在各种癌细胞中均显示出有希望的抗肿瘤活性并诱导肿瘤细胞凋亡行,以前已经有报道。此外,有报道表明,将氨基酸引入桦木酸中可以改善选择性细胞毒性以及水溶性。因此,设计,合成和筛选了一系列新的TBA氨基酸和二肽衍生物,以针对5种癌细胞系(HepG2,HT-29,Hela,BCG-823和A549)和非恶性细胞系MDCK的选择性细胞毒活性。标准MTT分析。大多数测试的TBA氨基酸和二肽类似物对所有测试的肿瘤细胞系显示出比TBA更强的抗增殖活性。他们之中,BA-25对肿瘤细胞系表现出最大的细胞毒性活性(平均IC50 = 2.31±0.78μM),是阳性药物顺铂(DDP)的两倍,而对MDCK细胞系的细胞毒性却比DDP低。进一步的细胞凋亡分析表明,BA-25诱导的凋亡与线粒体膜电位的丧失和细胞内游离Ca2