Please use this identifier to cite or link to this item: https://scidar.kg.ac.rs/handle/123456789/12119
Title: Chelate N,O-palladium(ii) complexes: synthesis, characterization and biological activity
Authors: Petrović, Vladimir
Živanović, Marko
Simijonović, Dušica
Đorović Jovanović, Jelena
Petrović, Zorica
Marković, Snežana
Journal: RSC Advances
Issue Date: 1-Jan-2015
Abstract: © The Royal Society of Chemistry. Four trans chelate N,O-palladium(ii) complexes were synthetized starting from salicylaldehyde anil Schiff bases, as ligands. Their structures were elucidated using experimental and theoretical tools. The structures of the theoretically possible cis isomers are examined using the DFT method. The biological activity, in vitro cytotoxic and prooxidative effects against human breast carcinoma MDA-MB-231, human colon carcinoma HCT-116, and human fibroblast healthy MRC-5 cell lines of investigated compounds were determined. Schiff bases show a moderate or weak cytotoxic effect. On the other hand, complexes Pd-1 and Pd-6 show a significant cytotoxic effect on all three cell lines, with IC50 values in the range of 0.6 to 17.1 μM on HCT-116 cells, 7.2 to 55.6 μM on MDA-MB-231 cells and 34.5 to 48.1 μM on MRC-5 cells. Also, Pd-1 and Pd-6 induce extreme oxidative stress in the all treated cell lines. At this stage of investigation, Pd-1 and Pd-6 showed no selectivity towards cancer cells, i.e. they were also cytotoxic to MRC-5 cells to a similar extent. Taking into account these facts, it could be further investigated how the most active substances impact on the type of cell death (apoptotic and/or necrotic pathways).
URI: https://scidar.kg.ac.rs/handle/123456789/12119
Type: article
DOI: 10.1039/c5ra10204a
SCOPUS: 84944754784
Appears in Collections:Faculty of Science, Kragujevac
Institute for Information Technologies, Kragujevac

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