Synthesis and <i>in Vitro</i> Biological Evaluation of Hybrids from Tetrahydro-β-carboline and Hydroxylcinnamic Acid as Antitumor Carcinoma Agents
作者:Ying Lin、Xuanping Xia、Rongxin Yao、Li Ni、Jie Hu、Wenjian Guo、Baoling Zhu
DOI:10.1248/cpb.c13-00902
日期:——
Novel hybrids 8a–j and 9a–j were designed and synthesized by coupling the carboxyl group of hydroxylcinnamic acids with tetrahydro-β-carboline alkaloids which were linked with different substituted nitrogen-containing heterocycles at the positions-N9, and their in vitro biological activities were evaluated. It was found that most hybrids showed good to moderate anti-tumor activities. Especially, compound 9j had a great potency superior to 5-fluorouracil (5-FU) and comparable to adriamycin in human cancer cells, and could selectively inhibit tumor cells, but not inhibit non-tumor cell proliferation in vitro. More importantly, apoptosis assay indicated that 9j could significantly induce tumor cell apoptosis in a dose-dependent manner. Therefore, our novel findings may provide a new framework for the design of new hybrids for the intervention of human cancers.
新型杂合物8a–j和9a–j通过将羟基肉桂酸的羧基与四氢β-卡宾碱生物碱相结合而设计合成,这些生物碱与不同取代的氮含杂环在-N9位相连,并评估了它们的体外生物活性。研究发现大多数杂合物表现出良好至中等的抗肿瘤活性。特别是化合物9j在人体癌细胞中显示出了优于5-氟尿嘧啶(5-FU)且与阿霉素相当的强效,并能够选择性地抑制肿瘤细胞,但不抑制非肿瘤细胞的增殖。更重要的是,凋亡检测表明,9j能够以剂量依赖的方式显著诱导肿瘤细胞凋亡。因此,我们的新发现可能为新杂合物的设计提供了新的框架,以便干预人类癌症。