Design, Synthesis, and Biological Evaluation of Artemisinin-Indoloquinoline Hybrids as Potent Antiproliferative Agents
作者:Li Wang、Marta Świtalska、Ning Wang、Zhen-Jun Du、Yuta Fukumoto、Nguyen Diep、Ryo Kiguchi、Junzo Nokami、Joanna Wietrzyk、Tsutomu Inokuchi
DOI:10.3390/molecules191119021
日期:——
A series of artemisinin-indoloquinoline hybrids were designed and synthesized in an attempt to develop potent and selective anti-tumor agents. Compounds 7a–7f, 8 and 9 were prepared and characterized. Their antiproliferative activities against MV4-11, HCT-116, A549, and BALB/3T3 cell lines in vitro were tested. Nearly all of the tested compounds (7–9, except for compounds 7d and 7e against HCT-116) showed an increased antitumor activity against HCT-116 and A549 cell lines when compared to the dihydroartemisinin control. Especially for the artemisinin-indoloquinoline hybrid 8, with an 11-aminopropylamino-10H-indolo[3,2-b]quinoline substituent, the antiproliferative activity against the A549 cell line had improved more than ten times. The IC50 value of hybrid 8 against A549 cell lines was decreased to 1.328 ± 0.586 μM, while dihydroartemisin showed IC50 value of >20 µM in the same cell line. Thus, these results have proven that the strategy of introducing a planar basic fused aromatic moiety, such as the indoloquinoline skeleton, could improve the antiproliferative activity and selectivity towards cancer cell lines.
我们设计并合成了一系列青蒿素-吲哚喹啉杂化物,试图开发出强效且具有选择性的抗肿瘤药物。制备并鉴定了化合物 7a-7f、8 和 9。测试了它们在体外对 MV4-11、HCT-116、A549 和 BALB/3T3 细胞系的抗增殖活性。与双氢青蒿素对照组相比,几乎所有受测化合物(7-9,除化合物 7d 和 7e 对 HCT-116 的作用外)对 HCT-116 和 A549 细胞株的抗肿瘤活性都有所提高。特别是青蒿素-吲哚喹啉杂交化合物 8,其 11-氨基丙基氨基-10H-吲哚并[3,2-b]喹啉取代基对 A549 细胞株的抗增殖活性提高了 10 倍以上。杂交 8 对 A549 细胞株的 IC50 值降至 1.328 ± 0.586 μM,而双氢青蒿素对同一细胞株的 IC50 值大于 20 µM。因此,这些结果证明,引入平面碱性融合芳香分子(如吲哚喹啉骨架)的策略可以提高抗癌细胞株的抗增殖活性和选择性。