Copper (II) Species with Improved Anti-Melanoma and Antibacterial Activity by Inclusion in β-Cyclodextrin

To improve their biological activity, complexes [Cu(bipy)(dmtp)<sub>2</sub>(OH<sub>2</sub>)](ClO<sub>4</sub>)<sub>2</sub>·dmtp (<b>1</b>) and [Cu(phen)(dmtp)<sub>2</sub>(OH<sub>2</sub>)](ClO<sub>4</sub>)&...

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Main Authors: Alina Tirsoaga, Victor Cojocaru, Mihaela Badea, Irinel Adriana Badea, Arpad Mihai Rostas, Roberta Stoica, Mihaela Bacalum, Mariana Carmen Chifiriuc, Rodica Olar
Format: Article
Language:English
Published: MDPI AG 2023-01-01
Series:International Journal of Molecular Sciences
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Online Access:https://www.mdpi.com/1422-0067/24/3/2688
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author Alina Tirsoaga
Victor Cojocaru
Mihaela Badea
Irinel Adriana Badea
Arpad Mihai Rostas
Roberta Stoica
Mihaela Bacalum
Mariana Carmen Chifiriuc
Rodica Olar
author_facet Alina Tirsoaga
Victor Cojocaru
Mihaela Badea
Irinel Adriana Badea
Arpad Mihai Rostas
Roberta Stoica
Mihaela Bacalum
Mariana Carmen Chifiriuc
Rodica Olar
author_sort Alina Tirsoaga
collection DOAJ
description To improve their biological activity, complexes [Cu(bipy)(dmtp)<sub>2</sub>(OH<sub>2</sub>)](ClO<sub>4</sub>)<sub>2</sub>·dmtp (<b>1</b>) and [Cu(phen)(dmtp)<sub>2</sub>(OH<sub>2</sub>)](ClO<sub>4</sub>)<sub>2</sub>·dmtp (<b>2</b>) (bipy 2,2′-bipyridine, phen: 1,10-phenantroline, and dmtp: 5,7-dimethyl-1,2,4-triazolo [1,5-a]pyrimidine) were included in β-cyclodextrins (β-CD). During the inclusion, the co-crystalized dmtp molecule was lost, and UV-Vis spectra together with the docking studies indicated the synthesis of new materials with 1:1 and 1:2 molar ratios between complexes and β-CD. The association between Cu(II) compounds and β-CD has been proven by the identification of the components’ patterns in the IR spectra and powder XRD diffractograms, while solid-state UV-Vis and EPR spectra analysis highlighted a slight modification of the square-pyramidal stereochemistry around Cu(II) in comparison with precursors. The inclusion species are stable in solution and exhibit the ability to scavenge or trap ROS species (O<sub>2</sub>·<sup>−</sup> and HO·) as indicated by the EPR experiments. Moreover, the two inclusion species exhibit anti-proliferative activity against murine melanoma B16 cells, which has been more significant for (<b>2</b>)@β-CD in comparison with (<b>2</b>). This behavior is associated with a cell cycle arrest in the G0/G1 phase. Compared with precursors, (<b>1a</b>)@β-CD and (<b>2a</b>)@β-CD exhibit 17 and 26 times more intense activity against planktonic <i>Escherichia coli</i>, respectively, while (<b>2a</b>)@β-CD is 3 times more active against the <i>Staphylococcus aureus</i> strain.
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spelling doaj.art-93edc253b19548da8ed1bd005fea27c92023-11-16T17:00:53ZengMDPI AGInternational Journal of Molecular Sciences1661-65961422-00672023-01-01243268810.3390/ijms24032688Copper (II) Species with Improved Anti-Melanoma and Antibacterial Activity by Inclusion in β-CyclodextrinAlina Tirsoaga0Victor Cojocaru1Mihaela Badea2Irinel Adriana Badea3Arpad Mihai Rostas4Roberta Stoica5Mihaela Bacalum6Mariana Carmen Chifiriuc7Rodica Olar8Department of Analytical and Physical Chemistry, Faculty of Chemistry, University of Bucharest, 4-12 Regina Elisabeta Av., District 3, 030018 Bucharest, RomaniaDepartment of Inorganic and Organic Chemistry, Biochemistry and Catalysis, Faculty of Chemistry, University of Bucharest, 90-92 Panduri Str., District 5, 050663 Bucharest, RomaniaDepartment of Inorganic and Organic Chemistry, Biochemistry and Catalysis, Faculty of Chemistry, University of Bucharest, 90-92 Panduri Str., District 5, 050663 Bucharest, RomaniaDepartment of Analytical and Physical Chemistry, Faculty of Chemistry, University of Bucharest, 4-12 Regina Elisabeta Av., District 3, 030018 Bucharest, RomaniaNational Institute for Research and Development of Isotopic and Molecular Technologies, Department of Physics of Nanostructured Systems, 67-103 Donat Str., 400293 Cluj-Napoca, RomaniaHoria Hulubei National Institute for Physics and Nuclear Engineering, Department of Life and Environmental Physics, 30 Reactorului Str., 077125 Magurele-Ilfov, RomaniaHoria Hulubei National Institute for Physics and Nuclear Engineering, Department of Life and Environmental Physics, 30 Reactorului Str., 077125 Magurele-Ilfov, RomaniaDepartment of Microbiology, Faculty of Biology, University of Bucharest, 1-3 Aleea Portocalelor Str., District 5, 060101 Bucharest, RomaniaDepartment of Analytical and Physical Chemistry, Faculty of Chemistry, University of Bucharest, 4-12 Regina Elisabeta Av., District 3, 030018 Bucharest, RomaniaTo improve their biological activity, complexes [Cu(bipy)(dmtp)<sub>2</sub>(OH<sub>2</sub>)](ClO<sub>4</sub>)<sub>2</sub>·dmtp (<b>1</b>) and [Cu(phen)(dmtp)<sub>2</sub>(OH<sub>2</sub>)](ClO<sub>4</sub>)<sub>2</sub>·dmtp (<b>2</b>) (bipy 2,2′-bipyridine, phen: 1,10-phenantroline, and dmtp: 5,7-dimethyl-1,2,4-triazolo [1,5-a]pyrimidine) were included in β-cyclodextrins (β-CD). During the inclusion, the co-crystalized dmtp molecule was lost, and UV-Vis spectra together with the docking studies indicated the synthesis of new materials with 1:1 and 1:2 molar ratios between complexes and β-CD. The association between Cu(II) compounds and β-CD has been proven by the identification of the components’ patterns in the IR spectra and powder XRD diffractograms, while solid-state UV-Vis and EPR spectra analysis highlighted a slight modification of the square-pyramidal stereochemistry around Cu(II) in comparison with precursors. The inclusion species are stable in solution and exhibit the ability to scavenge or trap ROS species (O<sub>2</sub>·<sup>−</sup> and HO·) as indicated by the EPR experiments. Moreover, the two inclusion species exhibit anti-proliferative activity against murine melanoma B16 cells, which has been more significant for (<b>2</b>)@β-CD in comparison with (<b>2</b>). This behavior is associated with a cell cycle arrest in the G0/G1 phase. Compared with precursors, (<b>1a</b>)@β-CD and (<b>2a</b>)@β-CD exhibit 17 and 26 times more intense activity against planktonic <i>Escherichia coli</i>, respectively, while (<b>2a</b>)@β-CD is 3 times more active against the <i>Staphylococcus aureus</i> strain.https://www.mdpi.com/1422-0067/24/3/2688antibacterial activityCu(II) complexβ-cyclodextrininclusion systemmelanomamolecular docking
spellingShingle Alina Tirsoaga
Victor Cojocaru
Mihaela Badea
Irinel Adriana Badea
Arpad Mihai Rostas
Roberta Stoica
Mihaela Bacalum
Mariana Carmen Chifiriuc
Rodica Olar
Copper (II) Species with Improved Anti-Melanoma and Antibacterial Activity by Inclusion in β-Cyclodextrin
International Journal of Molecular Sciences
antibacterial activity
Cu(II) complex
β-cyclodextrin
inclusion system
melanoma
molecular docking
title Copper (II) Species with Improved Anti-Melanoma and Antibacterial Activity by Inclusion in β-Cyclodextrin
title_full Copper (II) Species with Improved Anti-Melanoma and Antibacterial Activity by Inclusion in β-Cyclodextrin
title_fullStr Copper (II) Species with Improved Anti-Melanoma and Antibacterial Activity by Inclusion in β-Cyclodextrin
title_full_unstemmed Copper (II) Species with Improved Anti-Melanoma and Antibacterial Activity by Inclusion in β-Cyclodextrin
title_short Copper (II) Species with Improved Anti-Melanoma and Antibacterial Activity by Inclusion in β-Cyclodextrin
title_sort copper ii species with improved anti melanoma and antibacterial activity by inclusion in β cyclodextrin
topic antibacterial activity
Cu(II) complex
β-cyclodextrin
inclusion system
melanoma
molecular docking
url https://www.mdpi.com/1422-0067/24/3/2688
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