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New spiro tria(thia)zolidine-acridines as topoisomerase inhibitors, DNA binders and cytostatic compounds

OM. Salem, M. Vilková, J. Janočková, R. Jendželovský, P. Fedoročko, E. Žilecká, J. Kašpárková, V. Brabec, J. Imrich, M. Kožurková,

. 2016 ; 86 (-) : 690-700. [pub] 20160206

Jazyk angličtina Země Nizozemsko

Typ dokumentu časopisecké články, práce podpořená grantem

Perzistentní odkaz   https://www.medvik.cz/link/bmc17000498

Three new diphenylsubstituted spirotriazolidine- and thiazolidinone-acridines were prepared and their interaction with calf thymus DNA investigated with UV-vis, fluorescence, circular dichroism spectroscopy and viscometry. The binding constants K were estimated to range from 0.34 to 0.93 × 10(4) M(-1). UV-vis, fluorescence and circular dichroism measurements indicated that the compounds act as effective DNA-interacting agents. Electrophoretic separation proved that ligands inhibited topoisomerase I and II. The biological activity of compounds 3, 5 &6 at several different concentrations (10, 20 and 50 μM) was evaluated both 48 h and 72 h following their addition to HL-60 cancer cells. The results were analysed using various different techniques (MMP detection, changes in metabolic activity/viability and analysis of cell cycle distribution). Acridine was also used as the positive control in these assays. The results from MMP analysis demonstrate the strong effect of 3-diphenylamino-2-(acridin-9-yl)imino-1,3-thiazolidin-4-one (5) on mitochondrial physiology. Cell viability analysis showed that acridine derivatives 3 and 6 were less effective than derivative 5 and the acridine control.

Citace poskytuje Crossref.org

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$a Three new diphenylsubstituted spirotriazolidine- and thiazolidinone-acridines were prepared and their interaction with calf thymus DNA investigated with UV-vis, fluorescence, circular dichroism spectroscopy and viscometry. The binding constants K were estimated to range from 0.34 to 0.93 × 10(4) M(-1). UV-vis, fluorescence and circular dichroism measurements indicated that the compounds act as effective DNA-interacting agents. Electrophoretic separation proved that ligands inhibited topoisomerase I and II. The biological activity of compounds 3, 5 &6 at several different concentrations (10, 20 and 50 μM) was evaluated both 48 h and 72 h following their addition to HL-60 cancer cells. The results were analysed using various different techniques (MMP detection, changes in metabolic activity/viability and analysis of cell cycle distribution). Acridine was also used as the positive control in these assays. The results from MMP analysis demonstrate the strong effect of 3-diphenylamino-2-(acridin-9-yl)imino-1,3-thiazolidin-4-one (5) on mitochondrial physiology. Cell viability analysis showed that acridine derivatives 3 and 6 were less effective than derivative 5 and the acridine control.
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$a Vilková, Mária $u Department of Organic Chemistry, Institute of Chemistry, Faculty of Science, P. J. Šafárik University in Košice, Košice, Slovak Republic.
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$a Janočková, Jana $u Department of Biochemistry, Institute of Chemistry, Faculty of Science, P. J. Šafárik University in Košice, Košice, Slovak Republic; Biomedical Research Center, University Hospital Hradec Kralove, Hradec Kralove, Czech Republic.
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