Synthesis, characterization, cytotoxic activity and DNA binding properties of the novel dinuclear cobalt(III) complex with the condensation product of 2-acetylpyridine and malonic acid dihydrazide
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Anđelković, Katarina K.
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A novel dinuclear cobalt(III) complex with the condensation product of 2-acetylpyridine and malonic acid dihydrazide, N',N'(2)-bis[(1E)-1-(2-pyridyl)ethylidene]propanedihydrazide was synthesized and characterized by elemental analysis, spectroscopy (NMR and infrared), and X-ray crystal analysis. The complex showed a moderate activity towards Artemia salina. The highest cytotoxic potential of the complex was observed on the epithelial breast cancer (MDA-361) cell line. The investigated complex induced apoptosis, the early apoptotic cells comprising 28.18%, compared to 5.64% of control cells in the same phase. The interaction of the complex with calf thymus DNA (CT-DNA) was monitored by blue shift and hyperchromism in the UV-vis spectra. The observed intrinsic binding constant (K(b) = 4.2 x 10(5) M(-1)) together with structural analysis of the complex indicate the groove binding. (C) 2011 Elsevier Inc. All rights reserved.
Keywords:Dinuclear cobalt(III) complex / Crystal structure / Apoptosis / DNA binding
Source:Journal of Inorganic Biochemistry, 2011, 105, 9, 1196-1203
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