Transition metal complexes with 6,7-dichloro-5,8-quinolinedione as mitochondria-targeted anticancer agents
Transition metal complexes with 6,7-dichloro-5,8-quinolinedione as mitochondria-targeted anticancer agents
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过渡金属与 6,7-二氯-5,8-喹啉二酮的配合物作为线粒体靶向抗癌剂
DOI:
10.1016/j.poly.2020.114482
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发表时间:
2020-05
期刊:
影响因子:
2.6
通讯作者:
Hong Liang
中科院分区:
文献类型:
--
作者:
Bi-Qun Zou;Xiao-Ling Huang;Qi-Pin Qin;Zhen-Feng Wang;Xue-Yu Wu;Ming-Xiong Tan;Hong Liang
Herein, a series of transition metal complexes, [Zn(DQ)2(CH3OH)2] (1), [Zn(DMQ)2(CH3OH)2] (2), [Co(DQ)2(CH3OH)2] (3), [Co(DMQ)2(CH3OH)2] (4), [Ni(DQ)2(CH3OH)2] (5), [Cu(DMQ)2(CH3OH)2] (6), [Mn(DQ)2(H2O)2] (7) and [Mn(DMQ)2(H2O)2] (8), containing 6,7-dichloro-5,8-quinolinedione (DQ) and 6,7-dichloro-2-methyl-5,8-quinolinedione (DMQ) ligands have been synthesized and characterized as potential antitumor agents. These complexes1–8exhibited evident anti-tumor activity in HeLa (cervical), MCF-7 (breast), Hep-G2 (hepatoma), T-24 (bladder), and SK-OV-3 (ovarian) human cancer cells. Interestingly, complexes1–8showed higher cytotoxicity than cisplatin against human cervical HeLa cells, and less cytotoxicity on the HL-7702 nontumorigenic cells. Mechanism studies suggested that complexes1and2arrested the cell cycle in the G1 phase and induced cancer cell death through mitochondrial dysfunction pathways. The cytotoxicity of2was higher than that of1. The different biological behavior of1and2may correlate with the presence of a 2-methyl group in 6,7-dichloro-2-methyl-5,8-quinolinedione (DMQ) ligand. In general, our study demonstrated that Zn(II) complex2with 6,7-dichloro- 2-methyl-5,8-quinolinedione showed high potential to be developed as a mitochondria-targeted metal antitumor agent.
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