1
|
Besleaga I, Raptová R, Stoica AC, Milunovic MNM, Zalibera M, Bai R, Igaz N, Reynisson J, Kiricsi M, Enyedy ÉA, Rapta P, Hamel E, Arion VB. Are the metal identity and stoichiometry of metal complexes important for colchicine site binding and inhibition of tubulin polymerization? Dalton Trans 2024; 53:12349-12369. [PMID: 38989784 PMCID: PMC11264232 DOI: 10.1039/d4dt01469c] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2024] [Accepted: 06/29/2024] [Indexed: 07/12/2024]
Abstract
Quite recently we discovered that copper(II) complexes with isomeric morpholine-thiosemicarbazone hybrid ligands show good cytotoxicity in cancer cells and that the molecular target responsible for this activity might be tubulin. In order to obtain better lead drug candidates, we opted to exploit the power of coordination chemistry to (i) assemble structures with globular shape to better fit the colchicine pocket and (ii) vary the metal ion. We report the synthesis and full characterization of bis-ligand cobalt(III) and iron(III) complexes with 6-morpholinomethyl-2-formylpyridine 4N-(4-hydroxy-3,5-dimethylphenyl)-3-thiosemicarbazone (HL1), 6-morpholinomethyl-2-acetylpyridine 4N-(4-hydroxy-3,5-dimethylphenyl)-3-thiosemicarbazone (HL2), and 6-morpholinomethyl-2-formylpyridine 4N-phenyl-3-thiosemicarbazone (HL3), and mono-ligand nickel(II), zinc(II) and palladium(II) complexes with HL1, namely [CoIII(HL1)(L1)](NO3)2 (1), [CoIII(HL2)(L2)](NO3)2 (2), [CoIII(HL3)(L3)](NO3)2 (3), [FeIII(L2)2]NO3 (4), [FeIII(HL3)(L3)](NO3)2 (5), [NiII(L1)]Cl (6), [Zn(L1)Cl] (7) and [PdII(HL1)Cl]Cl (8). We discuss the effect of the metal identity and metal complex stoichiometry on in vitro cytotoxicity and antitubulin activity. The high antiproliferative activity of complex 4 correlated well with inhibition of tubulin polymerization. Insights into the mechanism of antiproliferative activity were supported by experimental results and molecular docking calculations.
Collapse
Affiliation(s)
- Iuliana Besleaga
- Institute of Inorganic Chemistry, Faculty of Chemistry, University of Vienna, Währinger Straße 42, A-1090 Vienna, Austria.
| | - Renáta Raptová
- Institute of Physical Chemistry and Chemical Physics, Faculty of Chemical and Food Technology, Slovak University of Technology in Bratislava, SK-81237 Bratislava, Slovakia
- Institute of Physical and Theoretical Chemistry, Graz University of Technology, Stremayrgasse 9/II, A-8010 Graz, Austria
| | - Alexandru-Constantin Stoica
- Inorganic Polymers Department, "Petru Poni" Institute of Macromolecular Chemistry, Aleea Gr. Ghica Voda 41 A, Iasi 700487, Romania
| | - Miljan N M Milunovic
- Institute of Inorganic Chemistry, Faculty of Chemistry, University of Vienna, Währinger Straße 42, A-1090 Vienna, Austria.
| | - Michal Zalibera
- Institute of Physical Chemistry and Chemical Physics, Faculty of Chemical and Food Technology, Slovak University of Technology in Bratislava, SK-81237 Bratislava, Slovakia
| | - Ruoli Bai
- Molecular Pharmacology Branch, Developmental Therapeutics Program, Division of Cancer Diagnosis and Treatment, National Cancer Institute, Frederick National Laboratory for Cancer Research, National Institutes of Health, Frederick, Maryland 21702, USA
| | - Nóra Igaz
- Department of Biochemistry and Molecular Biology, University of Szeged, Közép fasor 52, H-6726 Szeged, Hungary
| | - Jóhannes Reynisson
- School of Pharmacy and Bioengineering, Keele University, Newcastle-under-Lyme, Staffordshire ST5 5BG, UK
| | - Mónika Kiricsi
- School of Pharmacy and Bioengineering, Keele University, Newcastle-under-Lyme, Staffordshire ST5 5BG, UK
| | - Éva A Enyedy
- Department of Molecular and Analytical Chemistry, Interdisciplinary Excellence Centre, University of Szeged, Dóm tér 7-8, H-6720 Szeged, Hungary.
- MTA-SZTE Lendület Functional Metal Complexes Research Group, University of Szeged, Dóm tér 7, H-6720 Szeged, Hungary
| | - Peter Rapta
- Institute of Physical Chemistry and Chemical Physics, Faculty of Chemical and Food Technology, Slovak University of Technology in Bratislava, SK-81237 Bratislava, Slovakia
| | - Ernest Hamel
- Molecular Pharmacology Branch, Developmental Therapeutics Program, Division of Cancer Diagnosis and Treatment, National Cancer Institute, Frederick National Laboratory for Cancer Research, National Institutes of Health, Frederick, Maryland 21702, USA
| | - Vladimir B Arion
- Institute of Inorganic Chemistry, Faculty of Chemistry, University of Vienna, Währinger Straße 42, A-1090 Vienna, Austria.
- Inorganic Polymers Department, "Petru Poni" Institute of Macromolecular Chemistry, Aleea Gr. Ghica Voda 41 A, Iasi 700487, Romania
| |
Collapse
|
2
|
Jiménez-Pérez A, Fernández-Fariña S, Pedrido R, García-Tojal J. Desulfurization of thiosemicarbazones: the role of metal ions and biological implications. J Biol Inorg Chem 2024; 29:3-31. [PMID: 38148423 DOI: 10.1007/s00775-023-02037-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2023] [Accepted: 09/26/2023] [Indexed: 12/28/2023]
Abstract
Thiosemicarbazones are biologically active substances whose structural formula is formed by an azomethine, an hydrazine, and a thioamide fragments, to generate a R2C=N-NR-C(=S)-NR2 backbone. These compounds often act as ligands to generate highly stable metal-organic complexes. In certain experimental conditions, however, thiosemicarbazones undergo reactions leading to the cleavage of the chain. Sometimes, the breakage involves desulfurization processes. The present work summarizes the different chemical factors that influence the desulfurization reactions of thiosemicarbazones, such as pH, the presence of oxidant reactants or the establishment of redox processes as those electrochemically induced, the effects of the solvent, the temperature, and the electromagnetic radiation. Many of these reactions require coordination of thiosemicarbazones to metal ions, even those present in the intracellular environment. The nature of the products generated in these reactions, their detection in vivo and in vitro, together with the relevance for the biological activity of these compounds, mainly as antineoplastic agents, is discussed.
Collapse
Affiliation(s)
- Alondra Jiménez-Pérez
- Departamento de Química, Facultad de Ciencias, Universidad de Burgos, 09001, Burgos, Spain
| | - Sandra Fernández-Fariña
- Departamento de Química Inorgánica, Facultade de Química, Campus Vida, Universidade de Santiago de Compostela, 15782, Santiago de Compostela, Spain
| | - Rosa Pedrido
- Departamento de Química Inorgánica, Facultade de Química, Campus Vida, Universidade de Santiago de Compostela, 15782, Santiago de Compostela, Spain.
| | - Javier García-Tojal
- Departamento de Química, Facultad de Ciencias, Universidad de Burgos, 09001, Burgos, Spain.
| |
Collapse
|
3
|
Thiosemicarbazonecopper/Halido Systems: Structure and DFT Analysis of the Magnetic Coupling. INORGANICS 2023. [DOI: 10.3390/inorganics11010031] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023] Open
Abstract
Experimental magnetic studies performed on the [{CuLX}2] system (HL = pyridine-2-carbaldehyde thiosemicarbazone, X = Cl−, Br−, I−) point to the larger electronegativity in X, the lower magnitude of the antiferromagnetic interactions. In order to confirm this and other trends observed and to dip into them, computational studies on the [{CuLX}2] (X = Cl− (1), I− (2)) compounds are here reported. The chemical and structural comparisons have been extended to the compounds obtained in acid medium. In this regard, chlorido ligands yield the [Cu(HL)Cl2]∙H2O (3) complex, whose crystal structure shows that thiosemicarbazone links as a tridentate chelate ligand to square pyramidal Cu(II) ions. On the other hand, iodido ligands provoke the formation of the [{Cu(H2L)I2}2] (4) derivative, which contains pyridine-protonated cationic H2L+ as a S-donor monodentate ligand bonded to Cu(I) ions. Crystallographic, infrared and electron paramagnetic resonance spectroscopic results are discussed. Computational calculations predict a greater stability for the chlorido species, containing both the neutral (HL) and anionic (L−) ligand. The theoretical magnetic studies considering isolated dimeric entities reproduce the sign and magnitude of the antiferromagnetism in 1, but no good agreement is found for compound 2. The sensitivity to the basis set and the presence of interdimer magnetic interactions are debated.
Collapse
|
4
|
Falcone E, Ritacca AG, Hager S, Schueffl H, Vileno B, El Khoury Y, Hellwig P, Kowol CR, Heffeter P, Sicilia E, Faller P. Copper-Catalyzed Glutathione Oxidation is Accelerated by the Anticancer Thiosemicarbazone Dp44mT and Further Boosted at Lower pH. J Am Chem Soc 2022; 144:14758-14768. [PMID: 35929814 PMCID: PMC9389589 DOI: 10.1021/jacs.2c05355] [Citation(s) in RCA: 29] [Impact Index Per Article: 14.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/26/2023]
Abstract
![]()
Glutathione (GSH) is the most abundant thiol in mammalian
cells
and plays a crucial role in maintaining redox cellular homeostasis.
The thiols of two GSH molecules can be oxidized to the disulfide GSSG.
The cytosolic GSH/GSSG ratio is very high (>100), and its reduction
can lead to apoptosis or necrosis, which are of interest in cancer
research. CuII ions are very efficient oxidants of thiols,
but with an excess of GSH, CuIn(GS)m clusters are formed, in which CuI is very slowly reoxidized by O2 at pH 7.4 and
even more slowly at lower pH. Here, the aerobic oxidation of GSH by
CuII was investigated at different pH values in the presence
of the anticancer thiosemicarbazone Dp44mT, which accumulates in lysosomes
and induces lysosomal membrane permeabilization in a Cu-dependent
manner. The results showed that CuII-Dp44mT catalyzes GSH
oxidation faster than CuII alone at pH 7.4 and hence accelerates
the production of very reactive hydroxyl radicals. Moreover, GSH oxidation
and hydroxyl radical production by CuII-Dp44mT were accelerated
at the acidic pH found in lysosomes. To decipher this unusually faster
thiol oxidation at lower pH, density functional theory (DFT) calculations,
electrochemical and spectroscopic studies were performed. The results
suggest that the acceleration is due to the protonation of CuII-Dp44mT on the hydrazinic nitrogen, which favors the rate-limiting
reduction step without subsequent dissociation of the CuI intermediate. Furthermore, preliminary biological studies in cell
culture using the proton pump inhibitor bafilomycin A1 indicated that
the lysosomal pH plays a role in the activity of CuII-Dp44mT.
Collapse
Affiliation(s)
- Enrico Falcone
- Institut de Chimie (UMR 7177), University of Strasbourg - CNRS, 4 Rue Blaise Pascal, 67081 Strasbourg, France
| | - Alessandra G Ritacca
- Department of Chemistry and Chemical Technologies, Università della Calabria, Ponte P. Bucci, 87036 Arcavacata di Rende, (CS), Italy
| | - Sonja Hager
- Center for Cancer Research, Medical University of Vienna, Borschkegasse 8a, 1090 Vienna, Austria
| | - Hemma Schueffl
- Center for Cancer Research, Medical University of Vienna, Borschkegasse 8a, 1090 Vienna, Austria
| | - Bertrand Vileno
- Institut de Chimie (UMR 7177), University of Strasbourg - CNRS, 4 Rue Blaise Pascal, 67081 Strasbourg, France
| | - Youssef El Khoury
- Laboratoire de bioélectrochimie et spectroscopie, UMR 7140, CNRS, Université de Strasbourg, 4 Rue Blaise Pascal, 67081 Strasbourg, France
| | - Petra Hellwig
- Laboratoire de bioélectrochimie et spectroscopie, UMR 7140, CNRS, Université de Strasbourg, 4 Rue Blaise Pascal, 67081 Strasbourg, France
| | - Christian R Kowol
- Institute of Inorganic Chemistry, Faculty of Chemistry, University of Vienna, Waehringer Straße 42, 1090 Vienna, Austria
| | - Petra Heffeter
- Center for Cancer Research, Medical University of Vienna, Borschkegasse 8a, 1090 Vienna, Austria
| | - Emilia Sicilia
- Department of Chemistry and Chemical Technologies, Università della Calabria, Ponte P. Bucci, 87036 Arcavacata di Rende, (CS), Italy
| | - Peter Faller
- Institut de Chimie (UMR 7177), University of Strasbourg - CNRS, 4 Rue Blaise Pascal, 67081 Strasbourg, France.,Institut Universitaire de France (IUF), 1 rue Descartes, 75231 Paris, France
| |
Collapse
|
5
|
Pósa V, Hajdu B, Tóth G, Dömötör O, Kowol CR, Keppler BK, Spengler G, Gyurcsik B, Enyedy ÉA. The coordination modes of (thio)semicarbazone copper(II) complexes strongly modulate the solution chemical properties and mechanism of anticancer activity. J Inorg Biochem 2022; 231:111786. [PMID: 35287037 DOI: 10.1016/j.jinorgbio.2022.111786] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/12/2022] [Revised: 02/24/2022] [Accepted: 02/27/2022] [Indexed: 12/27/2022]
Abstract
Thiosemicarbazones are promising candidates for anticancer therapy and their mechanism of action is often linked to their metal chelating ability. In this study, five (thio)semicarbazones with different donor sets (NNS, NNO, ONS, ONO) were selected and their behaviour in aqueous solution, the stability of their copper(II) complexes in addition to their cytotoxicity, DNA-binding, DNA cleavage ability and inhibition of topoisomerase IIα were investigated and compared. We aimed to reveal relationships between the structural variations, the significantly different physico-chemical properties, solution speciation and biological activity. The cytotoxicity of the ligands did not show correlation with the solubility, lipophilicity and permeability; and the decreased activity of the oxygen donor containing compounds was explained by their stronger preference towards chelation of iron(III) over iron(II). Meanwhile, among the copper complexes the most lipophilic species with the highest stability and membrane permeability exhibited the highest cytotoxicity. The studied copper(II) complexes interact with DNA, and reaction with glutathione led to heavy DNA cleavage in the case of the highly stable complexes which could be reduced in a reversible reaction with moderate rate. All the tested copper complexes inhibited topoisomerase IIα, however, this property of the complexes with low stability is most probably linked to the liberated free copper(II).
Collapse
Affiliation(s)
- Vivien Pósa
- MTA-SZTE Lendület Functional Metal Complexes Research Group, University of Szeged, Dóm tér 7, H-6720 Szeged, Hungary; Department of Inorganic and Analytical Chemistry, University of Szeged, Dóm tér 7, H-6720 Szeged, Hungary
| | - Bálint Hajdu
- Department of Inorganic and Analytical Chemistry, University of Szeged, Dóm tér 7, H-6720 Szeged, Hungary
| | - Gábor Tóth
- MTA-SZTE Lendület Functional Metal Complexes Research Group, University of Szeged, Dóm tér 7, H-6720 Szeged, Hungary
| | - Orsolya Dömötör
- MTA-SZTE Lendület Functional Metal Complexes Research Group, University of Szeged, Dóm tér 7, H-6720 Szeged, Hungary; Department of Inorganic and Analytical Chemistry, University of Szeged, Dóm tér 7, H-6720 Szeged, Hungary
| | - Christian R Kowol
- Institute of Inorganic Chemistry, Faculty of Chemistry, University of Vienna, Waehringer Str. 42, A-1090 Vienna, Austria
| | - Bernhard K Keppler
- Institute of Inorganic Chemistry, Faculty of Chemistry, University of Vienna, Waehringer Str. 42, A-1090 Vienna, Austria
| | - Gabriella Spengler
- MTA-SZTE Lendület Functional Metal Complexes Research Group, University of Szeged, Dóm tér 7, H-6720 Szeged, Hungary; Department of Medical Microbiology, Albert Szent-Györgyi Health Center and Albert Szent-Györgyi Medical School, University of Szeged, Semmelweis utca 6, H-6725 Szeged, Hungary
| | - Béla Gyurcsik
- Department of Inorganic and Analytical Chemistry, University of Szeged, Dóm tér 7, H-6720 Szeged, Hungary
| | - Éva A Enyedy
- MTA-SZTE Lendület Functional Metal Complexes Research Group, University of Szeged, Dóm tér 7, H-6720 Szeged, Hungary; Department of Inorganic and Analytical Chemistry, University of Szeged, Dóm tér 7, H-6720 Szeged, Hungary.
| |
Collapse
|
6
|
Guler S, Kayali HA, Sadan EO, Sen B, Subasi E. Half-Sandwich Arene Ruthenium(II) Thiosemicarbazone Complexes: Evaluation of Anticancer Effect on Primary and Metastatic Ovarian Cancer Cell Lines. Front Pharmacol 2022; 13:882756. [PMID: 35620291 PMCID: PMC9128756 DOI: 10.3389/fphar.2022.882756] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2022] [Accepted: 04/19/2022] [Indexed: 11/13/2022] Open
Abstract
In this study, we describe the synthesis, characterization and antiproliferative activity of three organo-ruthenium(II) half-sandwich complexes [RuCl(η6-p-cym)(N,S-L)]Cl (I, II, and III). To form these complexes, three thiosemicarbazone ligands (TSCs) were synthesized; L = 5-nitro-2-carboxyaldehyde-thiophen-N-methyl-thiosemicarbazone, (L1); 2-acetyl-5-bromo-thiophen-N-methyl-thiosemicarbazone, (L2) and 2-acetyl-5-bromo-thiophen-N,N-dimethyl-thiosemicarbazone, (L3). The isolated compounds were analyzed using spectroscopic techniques such as elemental analysis, conductance measurements, FT-IR, 1H NMR spectroscopy, MALDI-TOF mass spectrometry, and single-crystal XRD. Our results demonstrated that the synthesized thiosemicarbazone ligands (TSCs) are bound to the metal ion as a bidentate ligand that coordinates through the thiocarbonyl sulfur and azomethine nitrogen atoms in all complexes (I, II, and III). The X-ray crystal structures of L1 and L2 revealed that both compounds are crystallized in the triclinic crystal system with space group P-1. The biological potency of newly synthesized TSC ligands (L1, L2, and L3) and their corresponding ruthenium complexes (I, II, and III) were investigated on human primary ovarian (A2780) and human metastatic ovarian (OVCAR-3) cell lines. To get detailed information respecting antitumor properties, cytotoxicity, DNA/BSA binding affinity, cellular uptake, DNA binding competition, and trans-epithelial resistance measurement assays were performed. Our results demonstrate that newly synthesized ruthenium(II) complexes possess potential biological activity. Moreover, we observe that the ruthenium complexes reported here show anticancer activity on primary (A2780) and metastatic (OVCAR-3) ovarian cancer cells.
Collapse
Affiliation(s)
- Seminay Guler
- Izmir Biomedicine and Genome Center, Izmir, Turkey
- Izmir International Biomedicine and Genome Institute, Dokuz Eylul University, Izmir, Turkey
| | - Hulya Ayar Kayali
- Izmir Biomedicine and Genome Center, Izmir, Turkey
- Izmir International Biomedicine and Genome Institute, Dokuz Eylul University, Izmir, Turkey
- Department of Chemistry, Division of Biochemistry, Faculty of Science, Dokuz Eylul University, İzmir, Turkey
| | - Egemen Orkun Sadan
- Institute of Science and Technology, Dokuz Eylul University, Izmir, Turkey
| | - Betul Sen
- Department of Physics, Faculty of Science, Dokuz Eylul University, Izmir, Turkey
| | - Elif Subasi
- Department of Chemistry, Faculty of Science, Dokuz Eylul University, Izmir, Turkey
| |
Collapse
|
7
|
Besleaga I, Stepanenko I, Petrasheuskaya TV, Darvasiova D, Breza M, Hammerstad M, Marć MA, Prado-Roller A, Spengler G, Popović-Bijelić A, Enyedy EA, Rapta P, Shutalev AD, Arion VB. Triapine Analogues and Their Copper(II) Complexes: Synthesis, Characterization, Solution Speciation, Redox Activity, Cytotoxicity, and mR2 RNR Inhibition. Inorg Chem 2021; 60:11297-11319. [PMID: 34279079 PMCID: PMC8335727 DOI: 10.1021/acs.inorgchem.1c01275] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
![]()
Three new thiosemicarbazones
(TSCs) HL1–HL3 as triapine
analogues bearing a redox-active phenolic moiety at the terminal nitrogen
atom were prepared. Reactions of HL1–HL3 with CuCl2·2H2O in anoxic methanol afforded three copper(II)
complexes, namely, Cu(HL1)Cl2 (1), [Cu(L2)Cl] (2′), and Cu(HL3)Cl2 (3), in good yields. Solution
speciation studies revealed that the metal-free ligands are stable
as HL1–HL3 at pH 7.4, while being air-sensitive in
the basic pH range. In dimethyl sulfoxide they exist as a mixture
of E and Z isomers. A mechanism
of the E/Z isomerization with an inversion at the
nitrogen atom of the Schiff base imine bond is proposed. The monocationic
complexes [Cu(L1–3)]+ are the most abundant
species in aqueous solutions at pH 7.4. Electrochemical and spectroelectrochemical
studies of 1, 2′, and 3 confirmed their redox activity in both the cathodic and the anodic
region of potentials. The one-electron reduction was identified as
metal-centered by electron paramagnetic resonance spectroelectrochemistry.
An electrochemical oxidation pointed out the ligand-centered oxidation,
while chemical oxidations of HL1 and HL2 as well as 1 and 2′ afforded several two-electron and four-electron
oxidation products, which were isolated and comprehensively characterized.
Complexes 1 and 2′ showed an antiproliferative
activity in Colo205 and Colo320 cancer cell lines with half-maximal
inhibitory concentration values in the low micromolar concentration
range, while 3 with the most closely related ligand to
triapine displayed the best selectivity for cancer cells versus normal
fibroblast cells (MRC-5). HL1 and 1 in the presence of 1,4-dithiothreitol are as
potent inhibitors of mR2 ribonucleotide reductase as triapine. Three triapine analogues HL1−HL3 bearing a
phenolic redox-active moiety showed moderate antiproliferative activity,
while one of the oxidation products HL2c′·CH3COOH revealed
high cytotoxicity in Colo205 and Colo320 cancer cell lines. Coordination
of HL1−HL3 to copper(II) increased strongly the cytotoxicity,
with complex 2′ showing IC50 values
of 0.181 and 0.159, respectively. The highest cytotoxicity of 2′ is likely due to the highest thermodynamic stability,
more negative reduction potential, and the lowest rate of reduction
by GSH.
Collapse
Affiliation(s)
- Iuliana Besleaga
- Institute of Inorganic Chemistry, University of Vienna, Währinger Strasse 42, A-1090 Vienna, Austria
| | - Iryna Stepanenko
- Institute of Inorganic Chemistry, University of Vienna, Währinger Strasse 42, A-1090 Vienna, Austria
| | - Tatsiana V Petrasheuskaya
- Department of Inorganic and Analytical Chemistry, Interdisciplinary Excellence Centre, University of Szeged, Dóm tér 7, H-6720 Szeged, Hungary.,MTA-SZTE Lendület Functional Metal Complexes Research Group, University of Szeged, Dóm tér 7, H-6720 Szeged, Hungary
| | - Denisa Darvasiova
- Institute of Physical Chemistry and Chemical Physics, Faculty of Chemical and Food Technology, Slovak University of Technology in Bratislava, Radlinského 9, SK-81237 Bratislava, Slovak Republic
| | - Martin Breza
- Institute of Physical Chemistry and Chemical Physics, Faculty of Chemical and Food Technology, Slovak University of Technology in Bratislava, Radlinského 9, SK-81237 Bratislava, Slovak Republic
| | - Marta Hammerstad
- Section for Biochemistry and Molecular Biology, Department of Biosciences, University of Oslo, P.O. Box 1066, Blindern, NO-0316 Oslo, Norway
| | - Małgorzata A Marć
- Department of Inorganic and Analytical Chemistry, Interdisciplinary Excellence Centre, University of Szeged, Dóm tér 7, H-6720 Szeged, Hungary.,Department of Medical Microbiology, Albert Szent-Györgyi Health Center and Faculty of Medicine, University of Szeged, Dóm tér 10, 6725 Szeged, Hungary
| | - Alexander Prado-Roller
- Institute of Inorganic Chemistry, University of Vienna, Währinger Strasse 42, A-1090 Vienna, Austria
| | - Gabriella Spengler
- MTA-SZTE Lendület Functional Metal Complexes Research Group, University of Szeged, Dóm tér 7, H-6720 Szeged, Hungary.,Department of Medical Microbiology, Albert Szent-Györgyi Health Center and Faculty of Medicine, University of Szeged, Dóm tér 10, 6725 Szeged, Hungary
| | - Ana Popović-Bijelić
- Faculty of Physical Chemistry, University of Belgrade, Studentski trg 12-16, 11158 Belgrade, Serbia
| | - Eva A Enyedy
- Department of Inorganic and Analytical Chemistry, Interdisciplinary Excellence Centre, University of Szeged, Dóm tér 7, H-6720 Szeged, Hungary.,MTA-SZTE Lendület Functional Metal Complexes Research Group, University of Szeged, Dóm tér 7, H-6720 Szeged, Hungary
| | - Peter Rapta
- Institute of Physical Chemistry and Chemical Physics, Faculty of Chemical and Food Technology, Slovak University of Technology in Bratislava, Radlinského 9, SK-81237 Bratislava, Slovak Republic
| | - Anatoly D Shutalev
- N. D. Zelinsky Institute of Organic Chemistry, Russian Academy of Sciences, 47 Leninsky Avenue, 119991 Moscow, Russian Federation
| | - Vladimir B Arion
- Institute of Inorganic Chemistry, University of Vienna, Währinger Strasse 42, A-1090 Vienna, Austria
| |
Collapse
|
8
|
Şen Yüksel B. Spectroscopic characterization (IR and NMR), structural investigation, DFT study, and Hirshfeld surface analysis of two zinc(II) 2-acetylthiophenyl-thiosemicarbazone complexes. J Mol Struct 2021. [DOI: 10.1016/j.molstruc.2020.129617] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/01/2022]
|
9
|
A New Photoactivatable Ruthenium(II) Complex with an Asymmetric Bis-Thiocarbohydrazone: Chemical and Biological Investigations. Molecules 2021; 26:molecules26040939. [PMID: 33578884 PMCID: PMC7916603 DOI: 10.3390/molecules26040939] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2020] [Revised: 02/04/2021] [Accepted: 02/06/2021] [Indexed: 11/26/2022] Open
Abstract
The synthesis, photoactivation and biological activity of a new piano-stool Ru(II) complex is herein reported. The peculiarity of this complex is that its monodentate ligand which undergoes the photodissociation is an asymmetric bis-thiocarbohydrazone ligand that possesses a pyridine moiety binding to Ru(II) and the other moiety contains a quinoline that endows the ligand with the capacity of chelating other metal ions. In this way, upon dissociation, the ligand can be released in the form of a metal complex. In this article, the double ability of this new Ru(II) complex to photorelease the ligand and to chelate copper and nickel is explored and confirmed. The biological activity of this compound is studied in cell line A549 revealing that, after irradiation, proliferation inhibition is reached at very low half maximal inhibitory concentration (IC50) values. Further, biological assays reveal that the dinuclear complex containing Ni is internalized in cells.
Collapse
|
10
|
Shalaby AA, Mohamed AA. Determination of stoichiometry and stability constants of iron complexes of phenanthroline, Tris(2-pyridyl)-s-triazine, and salicylate using a digital camera. CHEMICAL PAPERS 2020. [DOI: 10.1007/s11696-020-01192-4] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
|
11
|
Milunović MNM, Palamarciuc O, Sirbu A, Shova S, Dumitrescu D, Dvoranová D, Rapta P, Petrasheuskaya TV, Enyedy EA, Spengler G, Ilic M, Sitte HH, Lubec G, Arion VB. Insight into the Anticancer Activity of Copper(II) 5-Methylenetrimethylammonium-Thiosemicarbazonates and Their Interaction with Organic Cation Transporters. Biomolecules 2020; 10:E1213. [PMID: 32825480 PMCID: PMC7565988 DOI: 10.3390/biom10091213] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2020] [Revised: 08/13/2020] [Accepted: 08/14/2020] [Indexed: 02/07/2023] Open
Abstract
A series of four water-soluble salicylaldehyde thiosemicarbazones with a positively charged trimethylammonium moiety ([H2LR]Cl, R = H, Me, Et, Ph) and four copper(II) complexes [Cu(HLR)Cl]Cl (1-4) were synthesised with the aim to study (i) their antiproliferative activity in cancer cells and, (ii) for the first time for thiosemicarbazones, the interaction with membrane transport proteins, specifically organic cation transporters OCT1-3. The compounds were comprehensively characterised by analytical, spectroscopic and X-ray diffraction methods. The highest cytotoxic effect was observed in the neuroblastoma cell line SH-5YSY after 24 h exposure and follows the rank order: 3 > 2 > 4 > cisplatin > 1 >>[H2LR]Cl. The copper(II) complexes showed marked interaction with OCT1-3, comparable to that of well-known OCT inhibitors (decynium 22, prazosin and corticosterone) in the cell-based radiotracer uptake assays. The work paves the way for the development of more potent and selective anticancer drugs and/or OCT inhibitors.
Collapse
Affiliation(s)
- Miljan N. M. Milunović
- Institute of Inorganic Chemistry, Faculty of Chemistry, University of Vienna, Währinger Strasse 42, A-1090 Vienna, Austria
| | - Oleg Palamarciuc
- Department of Chemistry, Moldova State University, A. Mateevici Street 60, MD-2009 Chisinau, Moldova; (O.P.); (A.S.)
| | - Angela Sirbu
- Department of Chemistry, Moldova State University, A. Mateevici Street 60, MD-2009 Chisinau, Moldova; (O.P.); (A.S.)
| | - Sergiu Shova
- Petru Poni Institute of Macromolecular Chemistry, Laboratory of Inorganic Polymers, Aleea Grigore Ghica Voda, Nr. 41A, 700487 Iasi, Romania;
| | - Dan Dumitrescu
- Elettra—Sincrotrone Trieste S.C.p.A, Strada Statale 14—km 163,5 in AREA Science Park, 34149 Basovizza, Trieste, Italy;
| | - Dana Dvoranová
- Institute of Physical Chemistry and Chemical Physics, Faculty of Chemical and Food Technology, Slovak University of Technology in Bratislava, Radlinského 9, SK-81237 Bratislava, Slovakia; (D.D.); (P.R.)
| | - Peter Rapta
- Institute of Physical Chemistry and Chemical Physics, Faculty of Chemical and Food Technology, Slovak University of Technology in Bratislava, Radlinského 9, SK-81237 Bratislava, Slovakia; (D.D.); (P.R.)
| | - Tatsiana V. Petrasheuskaya
- Department of Inorganic and Analytical Chemistry, Interdisciplinary Excellence Centre, University of Szeged, Dóm tér 7, H-6720 Szeged, Hungary; (T.V.P.); (E.A.E.)
- MTA-SZTE Lendület Functional Metal Complexes Research Group, University of Szeged, Dóm tér 7, H-6720 Szeged, Hungary;
| | - Eva A. Enyedy
- Department of Inorganic and Analytical Chemistry, Interdisciplinary Excellence Centre, University of Szeged, Dóm tér 7, H-6720 Szeged, Hungary; (T.V.P.); (E.A.E.)
- MTA-SZTE Lendület Functional Metal Complexes Research Group, University of Szeged, Dóm tér 7, H-6720 Szeged, Hungary;
| | - Gabriella Spengler
- MTA-SZTE Lendület Functional Metal Complexes Research Group, University of Szeged, Dóm tér 7, H-6720 Szeged, Hungary;
- Department of Medical Microbiology and Immunobiology, University of Szeged, Dóm tér 10, H-6720 Szeged, Hungary
| | - Marija Ilic
- Department of Pharmaceutical Chemistry, Faculty of Life Sciences, University of Vienna, A-1090 Vienna, Austria;
- Institute of Pharmacology, Centre for Physiology and Pharmacology, Medical University of Vienna, A-1090 Vienna, Austria;
- Neuroproteomics, Paracelsus Private Medical University, 5020 Salzburg, Austria;
| | - Harald H. Sitte
- Institute of Pharmacology, Centre for Physiology and Pharmacology, Medical University of Vienna, A-1090 Vienna, Austria;
| | - Gert Lubec
- Neuroproteomics, Paracelsus Private Medical University, 5020 Salzburg, Austria;
| | - Vladimir B. Arion
- Institute of Inorganic Chemistry, Faculty of Chemistry, University of Vienna, Währinger Strasse 42, A-1090 Vienna, Austria
| |
Collapse
|
12
|
Hager S, Pape VFS, Pósa V, Montsch B, Uhlik L, Szakács G, Tóth S, Jabronka N, Keppler BK, Kowol CR, Enyedy ÉA, Heffeter P. High Copper Complex Stability and Slow Reduction Kinetics as Key Parameters for Improved Activity, Paraptosis Induction, and Impact on Drug-Resistant Cells of Anticancer Thiosemicarbazones. Antioxid Redox Signal 2020; 33:395-414. [PMID: 32336116 DOI: 10.1089/ars.2019.7854] [Citation(s) in RCA: 26] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
Aims: Due to their significant biological activity, thiosemicarbazones (TSCs) are promising candidates for anticancer therapy. In part, the efficacy of TSCs is linked to their ability to chelate essential metal ions such as copper and iron. Triapine, the best-studied anticancer TSC, has been tested clinically with promising results in hematological diseases. During the past few years, a novel subclass of TSCs with improved anticancer activity was found to induce paraptosis, a recently characterized form of cell death. The aim of this study was to identify structural and chemical properties associated with anticancer activity and paraptosis induction of TSCs. Results: When testing a panel of structurally related TSCs, compounds with nanomolar anticancer activity and paraptosis-inducing properties showed higher copper(II) complex solution stability and a slower reduction rate, which resulted in reduced redox activity. In contrast, TSCs with lower anticancer activity induced higher levels of superoxide that rapidly stimulated superoxide dismutase expression in treated cells, effectively protecting the cells from drug-induced redox stress. Innovation: Consequently, we hypothesize that in the case of close Triapine derivatives, intracellular reduction leads to rapid dissociation of intracellularly formed copper complexes. In contrast, TSCs characterized by highly stable, slowly reducible copper(II) complexes are able to reach new intracellular targets such as the endoplasmic reticulum-resident protein disulfide isomerase. Conclusion: The additional modes of actions observed with highly active TSC derivatives are based on intracellular formation of stable copper complexes, offering a new approach to combat (drug-resistant) cancer cells.
Collapse
Affiliation(s)
- Sonja Hager
- Institute of Cancer Research, Medical University of Vienna, Vienna, Austria
- Research Cluster 'Translational Cancer Therapy Research,' Vienna, Austria
| | - Veronika F S Pape
- Institute of Enzymology, Research Centre for Natural Sciences, Hungarian Academy of Sciences, Budapest, Hungary
- Department of Physiology, Semmelweis University, Budapest, Hungary
| | - Vivien Pósa
- Department of Inorganic and Analytical Chemistry, Interdisciplinary Excellence Centre, University of Szeged, Szeged, Hungary
- MTA-SZTE Lendület Functional Metal Complexes Research Group, University of Szeged, Szeged, Hungary
| | - Bianca Montsch
- Institute of Cancer Research, Medical University of Vienna, Vienna, Austria
- Research Cluster 'Translational Cancer Therapy Research,' Vienna, Austria
| | - Lukas Uhlik
- Institute of Cancer Research, Medical University of Vienna, Vienna, Austria
- Research Cluster 'Translational Cancer Therapy Research,' Vienna, Austria
| | - Gergely Szakács
- Institute of Cancer Research, Medical University of Vienna, Vienna, Austria
- Institute of Enzymology, Research Centre for Natural Sciences, Hungarian Academy of Sciences, Budapest, Hungary
| | - Szilárd Tóth
- Institute of Enzymology, Research Centre for Natural Sciences, Hungarian Academy of Sciences, Budapest, Hungary
| | - Nikolett Jabronka
- Institute of Enzymology, Research Centre for Natural Sciences, Hungarian Academy of Sciences, Budapest, Hungary
| | - Bernhard K Keppler
- Research Cluster 'Translational Cancer Therapy Research,' Vienna, Austria
- Faculty of Chemistry, Institute of Inorganic Chemistry, University of Vienna, Vienna, Austria
| | - Christian R Kowol
- Research Cluster 'Translational Cancer Therapy Research,' Vienna, Austria
- Faculty of Chemistry, Institute of Inorganic Chemistry, University of Vienna, Vienna, Austria
| | - Éva A Enyedy
- Department of Inorganic and Analytical Chemistry, Interdisciplinary Excellence Centre, University of Szeged, Szeged, Hungary
- MTA-SZTE Lendület Functional Metal Complexes Research Group, University of Szeged, Szeged, Hungary
| | - Petra Heffeter
- Institute of Cancer Research, Medical University of Vienna, Vienna, Austria
- Research Cluster 'Translational Cancer Therapy Research,' Vienna, Austria
| |
Collapse
|
13
|
Qi J, Wang X, Liu T, Kandawa-Schulz M, Wang Y, Zheng X. Synthesis, antiproliferative activity and mechanism of copper(II)-thiosemicarbazone complexes as potential anticancer and antimicrobial agents. J COORD CHEM 2020. [DOI: 10.1080/00958972.2020.1768378] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Affiliation(s)
- Jinxu Qi
- School of Medicine, Pingdingshan University, Pingdingshan, China
| | - Xuejiao Wang
- School of Chemistry and Chemical Engineering, Southeast University, Nanjing, China
| | - Taichen Liu
- School of Medicine, Pingdingshan University, Pingdingshan, China
| | | | - Yihong Wang
- School of Chemistry and Chemical Engineering, Southeast University, Nanjing, China
| | - Xinhua Zheng
- School of Medicine, Pingdingshan University, Pingdingshan, China
| |
Collapse
|
14
|
Dömötör O, Kiss MA, Gál GT, May NV, Spengler G, Nové M, Gašparović AČ, Frank É, Enyedy ÉA. Solution equilibrium, structural and cytotoxicity studies on Ru(η 6-p-cymene) and copper complexes of pyrazolyl thiosemicarbazones. J Inorg Biochem 2019; 202:110883. [PMID: 31689626 DOI: 10.1016/j.jinorgbio.2019.110883] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2019] [Revised: 10/05/2019] [Accepted: 10/06/2019] [Indexed: 10/25/2022]
Abstract
Solution chemical properties of two bidentate pyrazolyl thiosemicarbazones 2-((3-methyl-1-phenyl-1H-pyrazol-4-yl)methylene)hydrazinecarbothioamide (Me-pyrTSC), 2-((1,3-diphenyl-1H-pyrazol-4-yl)methylene)hydrazinecarbothioamide (Ph-pyrTSC), stability of their Cu(II) and Ru(η6-p-cymene) complexes were characterized in aqueous solution (with 30% DMSO) by the combined use of UV-visible spectrophotometry, 1H NMR spectroscopy and electrospray ionization mass spectrometry in addition to their solid phase isolation. The solid phase structures of Me-pyrTSC∙H2O, [Ru(η6-p-cymene)(Me-pyrTSC)Cl]Cl and [Cu(Ph-pyrTSCH-1)2] were determined by single crystal X-ray diffraction. High stability mononuclear Ru(η6-p-cymene) complexes with (N,S) coordination mode are formed in the acidic pH range, and increasing the pH the predominating dinuclear [(Ru(η6-p-cymene))2(L)2]2+ complex with μ2-bridging sulphur donor atoms is formed (where L- is the deprotonated thiosemicarbazone). [CuL]+ and [CuL2] complexes show much higher stability compared to that of complexes of the reference compound benzaldehyde thiosemicarbazone. [CuL2] complexes predominate at neutral pH. Me-pyrTSC and Ph-pyrTSC exhibited moderate cytotoxicity against human colonic adenocarcinoma cell lines (IC50 = 33-76 μM), while their complexation with Ru(η6-p-cymene) (IC50 = 11-24 μM) and especially Cu(II) (IC50 = 3-6 μM) resulted in higher cytotoxicity. Cu(II) complexes of the tested thiosemicarbazones were also cytotoxic in three breast cancer and in a hepatocellular carcinoma cell line. No reactive oxygen species production was detected and the relatively high catalase activity of SUM159 breast cancer cells was decreased upon addition of the ligands and the complexes. In the latter cell line the tested compounds interfered with the glutathione synthesis as they decreased the concentration of this cellular reductant.
Collapse
Affiliation(s)
- Orsolya Dömötör
- Department of Inorganic and Analytical Chemistry, Interdisciplinary Excellence Centre, University of Szeged, Dóm tér 7, H-6720 Szeged, Hungary
| | - Márton A Kiss
- Department of Organic Chemistry, University of Szeged, Dóm tér 8, H-6720 Szeged, Hungary
| | - G Tamás Gál
- Research Centre for Natural Sciences Hungarian Academy of Sciences, Magyar tudósok körútja 2, H-1117 Budapest, Hungary
| | - Nóra V May
- Research Centre for Natural Sciences Hungarian Academy of Sciences, Magyar tudósok körútja 2, H-1117 Budapest, Hungary
| | - Gabriella Spengler
- Department of Medical Microbiology and Immunobiology, University of Szeged, Dóm tér 10, H-6720 Szeged, Hungary
| | - Márta Nové
- Department of Medical Microbiology and Immunobiology, University of Szeged, Dóm tér 10, H-6720 Szeged, Hungary
| | | | - Éva Frank
- Department of Organic Chemistry, University of Szeged, Dóm tér 8, H-6720 Szeged, Hungary
| | - Éva A Enyedy
- Department of Inorganic and Analytical Chemistry, Interdisciplinary Excellence Centre, University of Szeged, Dóm tér 7, H-6720 Szeged, Hungary.
| |
Collapse
|
15
|
Heffeter P, Pape VFS, Enyedy ÉA, Keppler BK, Szakacs G, Kowol CR. Anticancer Thiosemicarbazones: Chemical Properties, Interaction with Iron Metabolism, and Resistance Development. Antioxid Redox Signal 2019; 30:1062-1082. [PMID: 29334758 DOI: 10.1089/ars.2017.7487] [Citation(s) in RCA: 128] [Impact Index Per Article: 25.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
SIGNIFICANCE During the past decades, thiosemicarbazones were clinically developed for a variety of diseases, including tuberculosis, viral infections, malaria, and cancer. With regard to malignant diseases, the class of α-N-heterocyclic thiosemicarbazones, and here especially 3-aminopyridine-2-carboxaldehyde thiosemicarbazone (Triapine), was intensively developed in multiple clinical phase I/II trials. Recent Advances: Very recently, two new derivatives, namely COTI-2 and di-2-pyridylketone 4-cyclohexyl-4-methyl-3-thiosemicarbazone (DpC) have entered phase I evaluation. Based on the strong metal-chelating/metal-interacting properties of thiosemicarbazones, interference with the cellular iron (and copper) homeostasis is assumed to play an important role in their biological activity. CRITICAL ISSUES In this review, we summarize and analyze the data on the interaction of (α-N-heterocyclic) thiosemicarbazones with iron, with the special aim of bridging the current knowledge on their mode of action from chemistry to (cell) biology. In addition, we highlight the difference to classical iron(III) chelators such as desferrioxamine (DFO), which are used for the treatment of iron overload. FUTURE DIRECTIONS We want to emphasize that thiosemicarbazones are not solely removing iron from the cells/organism. In contrast, they should be considered as iron-interacting drugs influencing diverse biological pathways in a complex and multi-faceted mode of action. Consequently, in addition to the discussion of physicochemical properties (e.g., complex stability, redox activity), this review contains an overview on the diversity of cellular thiosemicarbazone targets and drug resistance mechanisms.
Collapse
Affiliation(s)
- Petra Heffeter
- 1 Department of Medicine I, Institute of Cancer Research, Comprehensive Cancer Center of the Medical University, Medical University of Vienna , Vienna, Austria .,2 Research Cluster "Translational Cancer Therapy Research," Vienna, Austria
| | - Veronika F S Pape
- 3 Institute of Enzymology , Research Centre for Natural Sciences, Hungarian Academy of Sciences, Budapest, Hungary .,4 Department of Physiology, Faculty of Medicine, Semmelweis University , Budapest, Hungary
| | - Éva A Enyedy
- 5 Department of Inorganic and Analytical Chemistry, University of Szeged , Szeged, Hungary
| | - Bernhard K Keppler
- 2 Research Cluster "Translational Cancer Therapy Research," Vienna, Austria .,6 Institute of Inorganic Chemistry, Faculty of Chemistry, University of Vienna , Vienna, Austria
| | - Gergely Szakacs
- 1 Department of Medicine I, Institute of Cancer Research, Comprehensive Cancer Center of the Medical University, Medical University of Vienna , Vienna, Austria .,3 Institute of Enzymology , Research Centre for Natural Sciences, Hungarian Academy of Sciences, Budapest, Hungary
| | - Christian R Kowol
- 2 Research Cluster "Translational Cancer Therapy Research," Vienna, Austria .,6 Institute of Inorganic Chemistry, Faculty of Chemistry, University of Vienna , Vienna, Austria
| |
Collapse
|
16
|
Palamarciuc O, Milunović MNM, Sîrbu A, Stratulat E, Pui A, Gligorijevic N, Radulovic S, Kožíšek J, Darvasiová D, Rapta P, Enyedy EA, Novitchi G, Shova S, Arion VB. Investigation of the cytotoxic potential of methyl imidazole-derived thiosemicarbazones and their copper(ii) complexes with dichloroacetate as a co-ligand. NEW J CHEM 2019. [DOI: 10.1039/c8nj04041a] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Abstract
Investigation of the cytotoxic potential of imidazole-derived thiosemicarbazones and their copper(ii) complexes with CHCl2CO2− as a co-ligand.
Collapse
|
17
|
Kaushal M, Lobana TS, Nim L, Bala R, Arora DS, Garcia-Santos I, Duff CE, Jasinski JP. Synthesis of 2-acetylpyridine-N-substituted thiosemicarbazonates of copper(ii) with high antimicrobial activity against methicillin resistant S. aureus, K. pneumoniae 1 and C. albicans. NEW J CHEM 2019. [DOI: 10.1039/c9nj01459d] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The basic interest in the present study pertains to developing metal based antimicrobial agents, as several microorganisms have built resistance to the conventional drugs.
Collapse
Affiliation(s)
- Mani Kaushal
- Department of Chemistry
- Guru Nanak Dev University
- Amritsar-143 005
- India
| | - Tarlok S. Lobana
- Department of Chemistry
- Guru Nanak Dev University
- Amritsar-143 005
- India
| | - Lovedeep Nim
- Department of Microbiology
- Guru Nanak Dev University
- Amritsar-143 005
- India
| | - Ritu Bala
- Department of Chemistry
- Guru Nanak Dev University
- Amritsar-143 005
- India
| | - Daljit S. Arora
- Department of Microbiology
- Guru Nanak Dev University
- Amritsar-143 005
- India
| | - Isabel Garcia-Santos
- Departamento de Quimica Inorganica
- Facultad de Farmacia
- Universidad de Santiago
- 15782-Santiago
- Spain
| | | | | |
Collapse
|
18
|
Ohui K, Afanasenko E, Bacher F, Ting RLX, Zafar A, Blanco-Cabra N, Torrents E, Dömötör O, May NV, Darvasiova D, Enyedy ÉA, Popović-Bijelić A, Reynisson J, Rapta P, Babak MV, Pastorin G, Arion VB. New Water-Soluble Copper(II) Complexes with Morpholine-Thiosemicarbazone Hybrids: Insights into the Anticancer and Antibacterial Mode of Action. J Med Chem 2018; 62:512-530. [PMID: 30507173 PMCID: PMC6348444 DOI: 10.1021/acs.jmedchem.8b01031] [Citation(s) in RCA: 75] [Impact Index Per Article: 12.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Abstract
![]()
Six
morpholine-(iso)thiosemicarbazone hybrids HL1–HL6 and
their Cu(II) complexes with good-to-moderate solubility and
stability in water were synthesized and characterized. Cu(II) complexes [Cu(L1–6)Cl] (1–6) formed weak dimeric associates in the solid state,
which did not remain intact in solution as evidenced by ESI-MS. The
lead proligands and Cu(II) complexes displayed higher antiproliferative
activity in cancer cells than triapine. In addition, complexes 2–5 were found to specifically inhibit the growth of
Gram-positive bacteria Staphylococcus aureus with MIC50 values at 2–5 μg/mL. Insights
into the processes controlling intracellular accumulation and mechanism
of action were investigated for 2 and 5,
including the role of ribonucleotide reductase (RNR) inhibition, endoplasmic
reticulum stress induction, and regulation of other cancer signaling
pathways. Their ability to moderately inhibit R2 RNR protein in the
presence of dithiothreitol is likely related to Fe chelating properties
of the proligands liberated upon reduction.
Collapse
Affiliation(s)
- Kateryna Ohui
- Institute of Inorganic Chemistry , University of Vienna , Währinger Strasse 42 , A-1090 Vienna , Austria
| | - Eleonora Afanasenko
- Institute of Inorganic Chemistry , University of Vienna , Währinger Strasse 42 , A-1090 Vienna , Austria
| | - Felix Bacher
- Institute of Inorganic Chemistry , University of Vienna , Währinger Strasse 42 , A-1090 Vienna , Austria
| | - Rachel Lim Xue Ting
- Department of Pharmacy , National University of Singapore , 3 Science Drive 2 , Singapore 117543 , Singapore
| | - Ayesha Zafar
- School of Chemical Sciences , University of Auckland , Auckland 1010 , New Zealand
| | - Núria Blanco-Cabra
- Bacterial Infections: Antimicrobial Therapies, Institute for Bioengineering of Catalonia (IBEC) , The Barcelona Institute of Science and Technology , Barcelona 08036 , Spain
| | - Eduard Torrents
- Bacterial Infections: Antimicrobial Therapies, Institute for Bioengineering of Catalonia (IBEC) , The Barcelona Institute of Science and Technology , Barcelona 08036 , Spain
| | - Orsolya Dömötör
- Department of Inorganic and Analytical Chemistry , University of Szeged , Dóm tér 7. , H-6720 Szeged , Hungary
| | - Nóra V May
- Research Centre of Natural Sciences , Hungarian Academy of Sciences , Magyar tudósok körútja 2. , H-1117 Budapest , Hungary
| | - Denisa Darvasiova
- Institute of Physical Chemistry and Chemical Physics , Slovak Technical University of Technology , Radlinského 9 , 81237 Bratislava , Slovak Republic
| | - Éva A Enyedy
- Department of Inorganic and Analytical Chemistry , University of Szeged , Dóm tér 7. , H-6720 Szeged , Hungary
| | - Ana Popović-Bijelić
- Faculty of Physical Chemistry , University of Belgrade , 11158 Belgrade , Serbia
| | - Jóhannes Reynisson
- School of Chemical Sciences , University of Auckland , Auckland 1010 , New Zealand
| | - Peter Rapta
- Institute of Physical Chemistry and Chemical Physics , Slovak Technical University of Technology , Radlinského 9 , 81237 Bratislava , Slovak Republic
| | - Maria V Babak
- Department of Chemistry , National University of Singapore , 3 Science Drive 2 , 117543 , Singapore.,Drug Development Unit , National University of Singapore , 28 Medical Drive , 117546 , Singapore
| | - Giorgia Pastorin
- Department of Pharmacy , National University of Singapore , 3 Science Drive 2 , Singapore 117543 , Singapore
| | - Vladimir B Arion
- Institute of Inorganic Chemistry , University of Vienna , Währinger Strasse 42 , A-1090 Vienna , Austria
| |
Collapse
|
19
|
Inhibitory properties of aromatic thiosemicarbazones on mushroom tyrosinase: Synthesis, kinetic studies, molecular docking and effectiveness in melanogenesis inhibition. Bioorg Chem 2018; 81:577-586. [DOI: 10.1016/j.bioorg.2018.09.003] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2018] [Revised: 09/05/2018] [Accepted: 09/06/2018] [Indexed: 12/12/2022]
|
20
|
Güveli Ş, Özdemir N, Bal-Demirci T, Soylu MS, Ülküseven B. Hydrogen-bonded and π-stacked nickel(II) thiosemicarbazone complexes: Synthesis, spectral and structural studies. TRANSIT METAL CHEM 2018. [DOI: 10.1007/s11243-018-0275-8] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
|
21
|
Bikas R, Ajormal F, Emami M, Noshiranzadeh N, Kozakiewicz A. Catalytic oxidation of benzyl alcohols by new Cu(II) complexes of 1,3-oxazolidine based ligand obtained from a solvent free reaction. Inorganica Chim Acta 2018. [DOI: 10.1016/j.ica.2018.03.038] [Citation(s) in RCA: 29] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
|