期刊
JOURNAL OF INORGANIC BIOCHEMISTRY
卷 163, 期 -, 页码 8-17出版社
ELSEVIER SCIENCE INC
DOI: 10.1016/j.jinorgbio.2016.07.005
关键词
Copper(II); Chalcones; In vitro; Antitumor activity; Cytotoxicity; DNA cleavage
资金
- National Program of Sustainability I of the Ministry of Education, Youth and Sports of the Czech Republic [LO1305]
- Palacky University in Olomouc [PrF_2016_007]
A series of innovative copper(II) complexes of the general composition [Cu(L-n)(phen)]NO3 (1-8; phen = 1,10-phenanthroline), involving 2'-hydroxychalcone {(E)-1-(2'-hydroxyphenyl)-3-phenylprop-2-en-1-one) derivatives (HLn) was synthesized, thoroughly characterized and screened for in vitro cytotoxicity against a panel of ten human cancer cell lines. The most promising results were achieved for complex 2 with the best IC50 value of 1.1 +/- 0.7 mu M (against A2780 cell line). The toxicity testing on a primary culture of human hepatocytes (HH) revealed that complex 2 is the least toxic from the whole series with the IC50 value of 63.7 mu M. The complexes were shown to be able to efficaciously cleave pUC19 plasmid DNA as well as intercalate into calf thymus DNA with the same affinity and efficacy as ethidium bromide and interact by the ligand exchange mechanism with t-cysteine at physiological concentration levels. (C) 2016 Elsevier Inc. All rights reserved.
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