期刊
INORGANICA CHIMICA ACTA
卷 454, 期 -, 页码 117-127出版社
ELSEVIER SCIENCE SA
DOI: 10.1016/j.ica.2016.03.003
关键词
Arene ruthenium(II) complexes; Fluoro dipyrrins; DNA binding; Cytotoxicity; Molecular docking
资金
- Department of Science and Technology (DST), New Delhi, India [SR/S1/IC-25/2011]
- CSIR, New Delhi, India [09/013(0514)/2013-EMR-I]
Synthesis of four new arene ruthenium(II) complexes [(eta(6)-C10H14)RuCl(MFPdpm)] (1); [(eta(6)-C12H18)Ru-Cl (MFPdpm)] (2); [(eta(6)-C10H14)RuCl(PFPdpm)] (3) and [(eta(6)-C12H18)RuCl(PFPdpm)] (4) containing dipyrrin ligands 5-(4-fluoro)phenyldipyrromethene (MFPdpm) and 5-(penta-fluoro)phenyldipyrromethene (PFPdpm) have been described. The ligands and complexes have been thoroughly characterized by elemental analyses, spectroscopic studies (ESI-MS, IR, H-1, C-13 NMR, UV-Vis) and structure of the representative complex 4 determined by X-ray single crystal analyses. DNA binding activities of 1-4 have been investigated by UV-Vis and fluorescence spectroscopy and their binding through the minor groove of DNA has been established by molecular docking studies. The complexes 1-4 exhibit significant cytotoxicity toward human lung cancer cell line (A549). Cytotoxicity, morphological changes, and apoptosis studies have been evaluated through MIT assay, Hoechst 333421131 staining, and cell cycle analysis by fluorescence activated cell sorting (FACS). In vitro antitumor activity and cytotoxicity of the complexes lie in the order 4 > 3 > 2 > 1. (C) 2016 Elsevier B.V. All rights reserved.
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