1
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Kuznetcova I, Ostojić M, Gligorijević N, Aranđelović S, Arion VB. Enriching Chemical Space of Bioactive Scaffolds by New Ring Systems: Benzazocines and Their Metal Complexes as Potential Anticancer Drugs. Inorg Chem 2022; 61:20445-20460. [PMID: 36473464 PMCID: PMC9768754 DOI: 10.1021/acs.inorgchem.2c03134] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
The search for new scaffolds of medicinal significance combined with molecular shape enhances their innovative potential and continues to attract the attention of researchers. Herein, we report the synthesis, spectroscopic characterization (1H and 13C NMR, UV-vis, IR), ESI-mass spectrometry, and single-crystal X-ray diffraction analysis of a new ring system of medicinal significance, 5,6,7,9-tetrahydro-8H-indolo[3,2-e]benzazocin-8-one, and a series of derived potential ligands (HL1-HL5), as well as ruthenium(II), osmium(II), and copper(II) complexes (1a, 1b, and 2-5). The stability of compounds in 1% DMSO aqueous solutions has been confirmed by 1H NMR and UV-vis spectroscopy measurements. The antiproliferative activity of HL1-HL5 and 1a, 1b, and 2-5 was evaluated by in vitro cytotoxicity tests against four cancer cell lines (LS-174, HCT116, MDA-MB-361, and A549) and one non-cancer cell line (MRC-5). The lead compounds HL5 and its copper(II) complex 5 were 15× and 17×, respectively, more cytotoxic than cisplatin against human colon cancer cell line HCT116. Annexin V-FITC apoptosis assay showed dominant apoptosis inducing potential of both compounds after prolonged treatment (48 h) in HCT116 cells. HL5 and 5 were found to induce a concentration- and time-dependent arrest of cell cycle in colon cancer cell lines. Antiproliferative activity of 5 in 3D multicellular tumor spheroid model of cancer cells (HCT116, LS-174) superior to that of cisplatin was found. Moreover, HL5 and 5 showed notable inhibition potency against glycogen synthase kinases (GSK-3α and GSK-3β), tyrosine-protein kinase (Src), lymphocyte-specific protein-tyrosine kinase (Lck), and cyclin-dependent kinases (Cdk2 and Cdk5) (IC50 = 1.4-6.1 μM), suggesting their multitargeted mode of action as potential anticancer drugs.
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Affiliation(s)
- Irina Kuznetcova
- Institute
of Inorganic Chemistry of the University of Vienna, Währinger Strasse 42, 1090 Vienna, Austria
| | - Marija Ostojić
- Department
of Experimental Oncology, Institute for
Oncology and Radiology of Serbia, Pasterova 14, 11000 Belgrade, Serbia
| | - Nevenka Gligorijević
- Department
of Experimental Oncology, Institute for
Oncology and Radiology of Serbia, Pasterova 14, 11000 Belgrade, Serbia
| | - Sandra Aranđelović
- Department
of Experimental Oncology, Institute for
Oncology and Radiology of Serbia, Pasterova 14, 11000 Belgrade, Serbia,
| | - Vladimir B. Arion
- Institute
of Inorganic Chemistry of the University of Vienna, Währinger Strasse 42, 1090 Vienna, Austria,
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2
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Masaryk L, Muthná D, Halaš P, Zoufalý P, Peterová E, Havelek R, Drahoš B, Milde D, Mrkvicová A, Štarha P. Stability of a half-sandwich Os(II) complex with indomethacin-functionalized ligand in the presence of carboxypeptidase A. Dalton Trans 2022; 51:9213-9217. [PMID: 35670076 DOI: 10.1039/d2dt01085b] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
In the presence of carboxypeptidase, the hydrolytically stable complex [Os(η6-pcym)(L2)Cl]PF6 (2) partially released the bioactive substituent indomethacin, bound through the amide bond to the chelating 2-(1,3,4-thiadiazol-2-yl)pyridine-based moiety of L2. Stability in the presence of other relevant biomolecules (GSH, NADH, GMP) and cancer cell viability were also studied.
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Affiliation(s)
- Lukáš Masaryk
- Department of Inorganic Chemistry, Faculty of Science, Palacky University in Olomouc, 17. listopadu 12, 77146 Olomouc, Czech Republic.
| | - Darina Muthná
- Department of Medical Biochemistry, Faculty of Medicine in Hradec Kralove, Charles University in Prague, Šimkova 870, 500 03 Hradec Kralove, Czech Republic
| | - Petr Halaš
- Department of Inorganic Chemistry, Faculty of Science, Palacky University in Olomouc, 17. listopadu 12, 77146 Olomouc, Czech Republic.
| | - Pavel Zoufalý
- Department of Inorganic Chemistry, Faculty of Science, Palacky University in Olomouc, 17. listopadu 12, 77146 Olomouc, Czech Republic.
| | - Eva Peterová
- Department of Medical Biochemistry, Faculty of Medicine in Hradec Kralove, Charles University in Prague, Šimkova 870, 500 03 Hradec Kralove, Czech Republic
| | - Radim Havelek
- Department of Medical Biochemistry, Faculty of Medicine in Hradec Kralove, Charles University in Prague, Šimkova 870, 500 03 Hradec Kralove, Czech Republic
| | - Bohuslav Drahoš
- Department of Inorganic Chemistry, Faculty of Science, Palacky University in Olomouc, 17. listopadu 12, 77146 Olomouc, Czech Republic.
| | - David Milde
- Department of Analytical Chemistry, Faculty of Science, Palacký University in Olomouc, 17. listopadu 12, 771 46 Olomouc, Czech Republic
| | - Alena Mrkvicová
- Department of Medical Biochemistry, Faculty of Medicine in Hradec Kralove, Charles University in Prague, Šimkova 870, 500 03 Hradec Kralove, Czech Republic
| | - Pavel Štarha
- Department of Inorganic Chemistry, Faculty of Science, Palacky University in Olomouc, 17. listopadu 12, 77146 Olomouc, Czech Republic.
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3
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Hildebrandt J, Häfner N, Kritsch D, Görls H, Dürst M, Runnebaum IB, Weigand W. Highly Cytotoxic Osmium(II) Compounds and Their Ruthenium(II) Analogues Targeting Ovarian Carcinoma Cell Lines and Evading Cisplatin Resistance Mechanisms. Int J Mol Sci 2022; 23:ijms23094976. [PMID: 35563367 PMCID: PMC9102668 DOI: 10.3390/ijms23094976] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2022] [Revised: 04/25/2022] [Accepted: 04/27/2022] [Indexed: 12/14/2022] Open
Abstract
(1) Background: Ruthenium and osmium complexes attract increasing interest as next generation anticancer drugs. Focusing on structure-activity-relationships of this class of compounds, we report on 17 different ruthenium(II) complexes and four promising osmium(II) analogues with cinnamic acid derivatives as O,S bidentate ligands. The aim of this study was to determine the anticancer activity and the ability to evade platin resistance mechanisms for these compounds. (2) Methods: Structural characterizations and stability determinations have been carried out with standard techniques, including NMR spectroscopy and X-ray crystallography. All complexes and single ligands have been tested for cytotoxic activity on two ovarian cancer cell lines (A2780, SKOV3) and their cisplatin-resistant isogenic cell cultures, a lung carcinoma cell line (A549) as well as selected compounds on three non-cancerous cell cultures in vitro. FACS analyses and histone γH2AX staining were carried out for cell cycle distribution and cell death or DNA damage analyses, respectively. (3) Results: IC50 values show promising results, specifically a high cancer selective cytotoxicity and evasion of resistance mechanisms for Ru(II) and Os(II) compounds. Histone γH2AX foci and FACS experiments validated the high cytotoxicity but revealed diminished DNA damage-inducing activity and an absence of cell cycle disturbance thus pointing to another mode of action. (4) Conclusion: Ru(II) and Os(II) compounds with O,S-bidentate ligands show high cytotoxicity without strong effects on DNA damage and cell cycle, and this seems to be the basis to circumvent resistance mechanisms and for the high cancer cell specificity.
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Affiliation(s)
- Jana Hildebrandt
- Institut für Anorganische und Analytische Chemie Friedrich-Schiller Universität Jena, Humboldtstraße 8, 07743 Jena, Germany; (J.H.); (H.G.)
- Department of Gynecology, Jena University Hospital—Friedrich-Schiller University Jena, Am Klinikum 1, 07747 Jena, Germany; (N.H.); (D.K.); (M.D.)
| | - Norman Häfner
- Department of Gynecology, Jena University Hospital—Friedrich-Schiller University Jena, Am Klinikum 1, 07747 Jena, Germany; (N.H.); (D.K.); (M.D.)
| | - Daniel Kritsch
- Department of Gynecology, Jena University Hospital—Friedrich-Schiller University Jena, Am Klinikum 1, 07747 Jena, Germany; (N.H.); (D.K.); (M.D.)
| | - Helmar Görls
- Institut für Anorganische und Analytische Chemie Friedrich-Schiller Universität Jena, Humboldtstraße 8, 07743 Jena, Germany; (J.H.); (H.G.)
| | - Matthias Dürst
- Department of Gynecology, Jena University Hospital—Friedrich-Schiller University Jena, Am Klinikum 1, 07747 Jena, Germany; (N.H.); (D.K.); (M.D.)
| | - Ingo B. Runnebaum
- Department of Gynecology, Jena University Hospital—Friedrich-Schiller University Jena, Am Klinikum 1, 07747 Jena, Germany; (N.H.); (D.K.); (M.D.)
- Correspondence: (I.B.R.); (W.W.); Tel.: +49-3641-9329101 (I.B.R.); +49-3641-948160 (W.W.)
| | - Wolfgang Weigand
- Institut für Anorganische und Analytische Chemie Friedrich-Schiller Universität Jena, Humboldtstraße 8, 07743 Jena, Germany; (J.H.); (H.G.)
- Correspondence: (I.B.R.); (W.W.); Tel.: +49-3641-9329101 (I.B.R.); +49-3641-948160 (W.W.)
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Wittmann C, Bacher F, Enyedy EA, Dömötör O, Spengler G, Madejski C, Reynisson J, Arion VB. Highly Antiproliferative Latonduine and Indolo[2,3- c]quinoline Derivatives: Complex Formation with Copper(II) Markedly Changes the Kinase Inhibitory Profile. J Med Chem 2022; 65:2238-2261. [PMID: 35104137 PMCID: PMC8842277 DOI: 10.1021/acs.jmedchem.1c01740] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/04/2022]
Abstract
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A series of latonduine
and indoloquinoline derivatives HL1–HL8 and their copper(II)
complexes (1–8) were synthesized and comprehensively
characterized. The structures of five compounds (HL6, [CuCl(L1)(DMF)]·DMF, [CuCl(L2)(CH3OH)], [CuCl(L3)]·0.5H2O, and [CuCl2(H2L5)]Cl·2DMF) were elucidated
by single crystal X-ray diffraction. The copper(II) complexes revealed
low micro- to sub-micromolar IC50 values with promising
selectivity toward human colon adenocarcinoma multidrug-resistant
Colo320 cancer cells as compared to the doxorubicin-sensitive Colo205
cell line. The lead compounds HL4 and 4 as well as HL8 and 8 induced apoptosis efficiently in Colo320 cells. In addition, the
copper(II) complexes had higher affinity to DNA than their metal-free
ligands. HL8 showed selective inhibition for
the PIM-1 enzyme, while 8 revealed strong inhibition
of five other enzymes, i.e., SGK-1, PKA, CaMK-1, GSK3β, and
MSK1, from a panel of 50 kinases. Furthermore, molecular modeling
of the ligands and complexes showed a good fit to the binding pockets
of these targets.
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Affiliation(s)
- Christopher Wittmann
- Institute of Inorganic Chemistry of the University of Vienna, Währinger Strasse, 42, Vienna A1090, Austria
| | - Felix Bacher
- Institute of Inorganic Chemistry of the University of Vienna, Währinger Strasse, 42, Vienna A1090, Austria
| | - Eva A Enyedy
- Department of Inorganic and Analytical Chemistry, Interdisciplinary Excellence Centre, University of Szeged, Dóm tér 7, Szeged H-6720, Hungary.,MTA-SZTE Lendület Functional Metal Complexes Research Group, University of Szeged, Dóm tér 7, Szeged H-6720, Hungary
| | - Orsolya Dömötör
- Department of Inorganic and Analytical Chemistry, Interdisciplinary Excellence Centre, University of Szeged, Dóm tér 7, Szeged H-6720, Hungary.,MTA-SZTE Lendület Functional Metal Complexes Research Group, University of Szeged, Dóm tér 7, Szeged H-6720, Hungary
| | - Gabriella Spengler
- MTA-SZTE Lendület Functional Metal Complexes Research Group, University of Szeged, Dóm tér 7, Szeged H-6720, Hungary.,Department of Medical Microbiology, Albert Szent-Györgyi Health Center and Albert Szent-Györgyi Medical School, University of Szeged, Semmelweis u. 6, Szeged H-6725, Hungary
| | - Christian Madejski
- Institute of Inorganic Chemistry of the University of Vienna, Währinger Strasse, 42, Vienna A1090, Austria
| | - Jóhannes Reynisson
- School of Pharmacy and Bioengineering, Keele University, Hornbeam Building, Staffordshire ST5 5BG, United Kingdom
| | - Vladimir B Arion
- Institute of Inorganic Chemistry of the University of Vienna, Währinger Strasse, 42, Vienna A1090, Austria
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5
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Kuznetcova I, Bacher F, Vegh D, Chuang HY, Arion VB. Ready access to 7,8-dihydroindolo[2,3-d][1]benzazepine-6(5H)-one scaffold and analogues via early-stage Fischer ring-closure reaction. Beilstein J Org Chem 2022; 18:143-151. [PMID: 35140815 PMCID: PMC8805037 DOI: 10.3762/bjoc.18.15] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2021] [Accepted: 01/12/2022] [Indexed: 12/03/2022] Open
Abstract
Paullone isomers are known as inhibitors of tubulin polymerase and cyclin dependent kinases (Cdks), which are potential targets for cancer chemotherapy. Herein we report an efficient and clean pathway to the fourth isomer, which remained elusive so far, namely 7,8-dihydroindolo[2,3-d][1]benzazepin-6(5H)-one. Moreover, we demonstrate the generality of our pathway by synthesizing two closely related analogues, one containing a bromo substituent and the other one incorporating an 8-membered instead of a 7-membered ring. The key transformation in this four-step synthesis, with an overall yield of 29%, is the Fischer indole reaction of 2-nitrophenylacetyl acetoacetate with 1-benzyl-1-phenylhydrazine in acetic acid that delivers methyl 2-(1-benzyl-3-(2-nitrophenyl)-1H-indol-2-yl)acetate in 55% yield.
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Affiliation(s)
- Irina Kuznetcova
- Institute of Inorganic Chemistry of the University of Vienna, Währinger Strasse 42, 1090 Vienna, Austria
| | - Felix Bacher
- Institute of Inorganic Chemistry of the University of Vienna, Währinger Strasse 42, 1090 Vienna, Austria
| | - Daniel Vegh
- Institute of Organic Chemistry, Catalysis and Petrochemistry, Department of Organic Chemistry, Slovak Techmical University of Technology in Bratislava, Radlinského 9, SK-81237 Bratislava, Slovak Republic
| | - Hsiang-Yu Chuang
- Institute of Organic Chemistry of the University of Vienna, Währinger Strasse 38, 1090 Vienna, Austria
| | - Vladimir B Arion
- Institute of Inorganic Chemistry of the University of Vienna, Währinger Strasse 42, 1090 Vienna, Austria
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6
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Wittmann C, Sivchenko AS, Bacher F, Tong KKH, Guru N, Wilson T, Gonzales J, Rauch H, Kossatz S, Reiner T, Babak MV, Arion VB. Inhibition of Microtubule Dynamics in Cancer Cells by Indole-Modified Latonduine Derivatives and Their Metal Complexes. Inorg Chem 2022; 61:1456-1470. [PMID: 34995063 PMCID: PMC8790753 DOI: 10.1021/acs.inorgchem.1c03154] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/16/2023]
Abstract
![]()
Indolo[2,3-d]benzazepines (indololatonduines)
are rarely discussed in the literature. In this project, we prepared
a series of novel indololatonduine derivatives and their RuII and OsII complexes and investigated their microtubule-targeting
properties in comparison with paclitaxel and colchicine. Compounds
were fully characterized by spectroscopic techniques (1H NMR and UV–vis), ESI mass-spectrometry, and X-ray crystallography,
and their purity was confirmed by elemental analysis. The stabilities
of the compounds in DMSO and water were confirmed by 1H
and 13C NMR and UV–vis spectroscopy. Novel indololatonduines
demonstrated anticancer activity in vitro in a low
micromolar concentration range, while their coordination to metal
centers resulted in a decrease of cytotoxicity. The preliminary in vivo activity of the RuII complex was investigated.
Fluorescence staining and in vitro tubulin polymerization
assays revealed the prepared compounds to have excellent microtubule-destabilizing
activities, even more potent than the well-known microtubule-destabilizing
agent colchicine. Several
synthesized indololatonduine derivatives and their
RuII and OsII complexes were investigated for
their microtubule-targeting properties in comparison with paclitaxel
and colchicine. Fluorescence staining and in vitro tubulin polymerization assays indicate excellent microtubule-destabilizing
activity. The compounds were even more potent than the well-known
microtubule-destabilizing agent colchicine.
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Affiliation(s)
- Christopher Wittmann
- University of Vienna, Institute of Inorganic Chemistry, Währinger Strasse 42, A-1090 Vienna, Austria
| | - Anastasiia S Sivchenko
- Drug Discovery Lab, Department of Chemistry, City University of Hong Kong, 83 Tat Chee Avenue, Hong Kong SAR 999077, PR China
| | - Felix Bacher
- University of Vienna, Institute of Inorganic Chemistry, Währinger Strasse 42, A-1090 Vienna, Austria
| | - Kelvin K H Tong
- Drug Discovery Lab, Department of Chemistry, City University of Hong Kong, 83 Tat Chee Avenue, Hong Kong SAR 999077, PR China
| | - Navjot Guru
- Department of Radiology, Memorial Sloan Kettering Cancer Center, 417 East 68th Street, New York, New York 10065, United States
| | - Thomas Wilson
- Department of Radiology, Memorial Sloan Kettering Cancer Center, 417 East 68th Street, New York, New York 10065, United States
| | - Junior Gonzales
- Department of Radiology, Memorial Sloan Kettering Cancer Center, 417 East 68th Street, New York, New York 10065, United States
| | - Hartmut Rauch
- Department of Nuclear Medicine, University Hospital Klinikum Rechts der Isar, Technical University Munich, 81675 Munich, Germany.,TranslaTUM - Central Institute for Translational Cancer Research, D-81675 Munich, Germany
| | - Susanne Kossatz
- Department of Nuclear Medicine, University Hospital Klinikum Rechts der Isar, Technical University Munich, 81675 Munich, Germany.,TranslaTUM - Central Institute for Translational Cancer Research, D-81675 Munich, Germany.,Department of Chemistry, Technical University of Munich, D-85748 Munich, Germany
| | - Thomas Reiner
- Department of Radiology, Memorial Sloan Kettering Cancer Center, 417 East 68th Street, New York, New York 10065, United States.,Department of Radiology, Weill Cornell Medical College, New York, New York 10021, United States.,Chemical Biology Program, Memorial Sloan Kettering Cancer Center, New York, New York 10065, United States
| | - Maria V Babak
- Drug Discovery Lab, Department of Chemistry, City University of Hong Kong, 83 Tat Chee Avenue, Hong Kong SAR 999077, PR China
| | - Vladimir B Arion
- University of Vienna, Institute of Inorganic Chemistry, Währinger Strasse 42, A-1090 Vienna, Austria
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7
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Biancalana L, Zanda E, Hadiji M, Zacchini S, Pratesi A, Pampaloni G, Dyson PJ, Marchetti F. Role of the (pseudo)halido ligand in ruthenium(II) p-cymene α-amino acid complexes in speciation, protein reactivity and cytotoxicity. Dalton Trans 2021; 50:15760-15777. [PMID: 34704998 DOI: 10.1039/d1dt03274g] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The reactions of the dimeric complexes [RuX2(η6-p-cymene)]2 (X = Br, I, SCN) with L-proline (ProH) and trans-4-hydroxy-L-proline (HypH), in methanol in the presence of NaOH, afforded [RuX(κ2N,O-Pro)(η6-p-cymene)] (X = Br, 1b; I, 1c; SCN, 1d) and [RuX(κ2N,O-Hyp)(η6-p-cymene)] (X = Br, 2b; I, 2c; SCN, 2d), respectively. Alternatively, the one-pot, sequential addition of the appropriate α-amino carboxylate and X- salt to [RuCl2(η6-p-cymene)]2 led to [RuX(κ2N,O-Pro)(η6-p-cymene)] (X = N3, 1e; NO2, 1f; CN 1g) and [Ru(N3)(κ2N,O-Hyp)(η6-p-cymene)] (2e). Complexes [Ru(κ3N,O,O'-O2CCH(NH2)(R)O)(η6-p-cymene)] (R = CH2, 3h; R = CHMe, 4h; R = CH2CH2, 5h) were prepared from the reaction of [RuCl2(η6-p-cymene)]2 with the appropriate α-amino acid and NaOH in refluxing isopropanol. Treatment of the L-serine (SerH2) derivative [RuCl(κ2N,O-SerH)(η6-p-cymene)] (3a) with 1,3,5-triaza-7-phosphaadamantane (PTA) in water at reflux produced [Ru(κ2N,O-Ser)(κP-PTA)(η6-p-cymene)]Cl ([3i]Cl). The products were isolated in good to excellent yields, and were characterized by elemental analysis, IR and multinuclear NMR spectroscopy. The structures of 1f and 2b-e were ascertained by X-ray diffraction studies. The behaviour of the complexes in water and cell culture medium was investigated by multinuclear NMR and UV-Vis spectroscopy, revealing a considerable influence of the monodentate ligand on the aqueous chemistry. Complexes 1d-e, 2d-e, 3h, 4h and [3i]Cl, showing substantial inertness in aqueous media, were assessed for their cytotoxicity towards A2780 and A2780cisR cancer cell lines and the noncancerous HEK 293T cell line. A selection of compounds was also investigated for Ru uptake in A2780 cells and interactions with cytochrome c as a model protein. Combined, these studies provide insights into the previously debated role of the 'leaving' ligand on the biological activity of Ru(II) arene α-amino acid complexes.
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Affiliation(s)
- Lorenzo Biancalana
- University of Pisa, Dipartimento di Chimica e Chimica Industriale, Via G. Moruzzi 13, I-56124 Pisa, Italy.
| | - Emanuele Zanda
- University of Pisa, Dipartimento di Chimica e Chimica Industriale, Via G. Moruzzi 13, I-56124 Pisa, Italy.
| | - Mouna Hadiji
- Institut des Sciences et Ingénierie Chimiques, Ecole Polytechnique Fédérale de Lausanne (EPFL), Switzerland
| | - Stefano Zacchini
- University of Bologna, Dipartimento di Chimica Industriale "Toso Montanari", Viale Risorgimento 4, I-40136 Bologna, Italy
| | - Alessandro Pratesi
- University of Pisa, Dipartimento di Chimica e Chimica Industriale, Via G. Moruzzi 13, I-56124 Pisa, Italy.
| | - Guido Pampaloni
- University of Pisa, Dipartimento di Chimica e Chimica Industriale, Via G. Moruzzi 13, I-56124 Pisa, Italy.
| | - Paul J Dyson
- Institut des Sciences et Ingénierie Chimiques, Ecole Polytechnique Fédérale de Lausanne (EPFL), Switzerland
| | - Fabio Marchetti
- University of Pisa, Dipartimento di Chimica e Chimica Industriale, Via G. Moruzzi 13, I-56124 Pisa, Italy.
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8
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Oliveira KM, Peterson EJ, Carroccia MC, Cominetti MR, Deflon VM, Farrell NP, Batista AA, Correa RS. Ru(II)-Naphthoquinone complexes with high selectivity for triple-negative breast cancer. Dalton Trans 2021; 49:16193-16203. [PMID: 32329497 DOI: 10.1039/d0dt01091j] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Six new ruthenium(ii) complexes with lapachol (Lap) and lawsone (Law) with the general formula [Ru(L)(P-P)(bipy)]PF6, where L = Lap or Law, P-P = 1,2'-bis(diphenylphosphino)ethane (dppe), 1,4'-bis(diphenylphosphino)butane (dppb), 1,1'-bis(diphenylphosphino)ferrocene (dppf) and bipy = 2,2'-bipyridine, were synthesized, fully characterized by elemental analysis, molar conductivity, NMR, cyclic voltammetry, UV-vis, IR spectroscopies and three of them by X-ray crystallography. All six complexes were active against breast (MCF-7 and MDA-MB-231) and prostate (DU-145) cancer cell lines with lower IC50 values than cisplatin. Complex [Ru(Lap)(dppe)(bipy)]PF6 (1a) showed significant selectivity for MDA-MB-231, a model of triple-negative breast cancer (TNBC), as compared to the "normal-like" human breast epithelial cell line, MCF-10A. Complex (1a) inhibited TNBC colony formation and induced loss of cellular adhesion. Furthermore, the complex (1a) induced mitochondrial dysfunction and generation of ROS, as is involved in the apoptotic cell death pathway. Preferential cellular uptake of complex (1a) was observed in MDA-MB-231 cells compared to MCF-10A cells, consistent with the observed selectivity for tumorigenic vs. non-tumorigenic cells. Taken together, these results indicate that ruthenium complexes containing lapachol and lawsone as ligands are promising candidates as chemotherapeutic agents.
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Affiliation(s)
- Katia M Oliveira
- Departamento de Química, Universidade Federal de São Carlos - UFSCar, Rodovia Washington Luiz, KM 235 CP 676, CEP 13561-901, São Carlos, SP, Brazil.
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9
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Eshonov MA, Vinogradova VI, Rasulova KA, Turgunov KK, Tashkhodzhaev B. Ipso-Substitution in Derivatives of the Quinoline Alkaloid Skimmianine. Chem Nat Compd 2021. [DOI: 10.1007/s10600-021-03398-8] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/01/2022]
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10
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Thobokholt EN, Larghi EL, Bracca ABJ, Kaufman TS. Isolation and synthesis of cryptosanguinolentine (isocryptolepine), a naturally-occurring bioactive indoloquinoline alkaloid. RSC Adv 2020; 10:18978-19002. [PMID: 35518305 PMCID: PMC9054090 DOI: 10.1039/d0ra03096a] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2020] [Accepted: 05/04/2020] [Indexed: 11/28/2022] Open
Abstract
Cryptosanguinolentine (isocryptolepine) is one of the minor naturally-occurring monomeric indoloquinoline alkaloids, isolated from the West African climbing shrub Cryptolepis sanguinolenta. The natural product displays such a simple and unique skeleton, which chemists became interested in well before it was found in Nature. Because of its structure and biological activity, the natural product has been targeted for synthesis on numerous occasions, employing a wide range of different strategies. Hence, discussed here are aspects related to the isolation of isocryptolepine, as well as the various approaches toward its total synthesis.
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Affiliation(s)
- Elida N Thobokholt
- Instituto de Química Rosario (IQUIR, CONICET-UNR), Facultad de Ciencias Bioquímicas y Farmacéuticas, Universidad Nacional de Rosario Suipacha 531 S2002LRK Rosario Argentina +54-341-4370477 +54-341-4370477
| | - Enrique L Larghi
- Instituto de Química Rosario (IQUIR, CONICET-UNR), Facultad de Ciencias Bioquímicas y Farmacéuticas, Universidad Nacional de Rosario Suipacha 531 S2002LRK Rosario Argentina +54-341-4370477 +54-341-4370477
| | - Andrea B J Bracca
- Instituto de Química Rosario (IQUIR, CONICET-UNR), Facultad de Ciencias Bioquímicas y Farmacéuticas, Universidad Nacional de Rosario Suipacha 531 S2002LRK Rosario Argentina +54-341-4370477 +54-341-4370477
| | - Teodoro S Kaufman
- Instituto de Química Rosario (IQUIR, CONICET-UNR), Facultad de Ciencias Bioquímicas y Farmacéuticas, Universidad Nacional de Rosario Suipacha 531 S2002LRK Rosario Argentina +54-341-4370477 +54-341-4370477
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11
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Pettinari R, Marchetti F, Di Nicola C, Pettinari C, Cuccioloni M, Bonfili L, Eleuteri AM, Therrien B, Batchelor LK, Dyson PJ. Novel osmium(ii)–cymene complexes containing curcumin and bisdemethoxycurcumin ligands. Inorg Chem Front 2019. [DOI: 10.1039/c9qi00843h] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
First examples of p-cymene-osmium(ii) curcuminoid complexes with antitumor activity.
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Affiliation(s)
| | - Fabio Marchetti
- School of Science and Technology
- University of Camerino
- 62032 Camerino MC
- Italy
| | - Corrado Di Nicola
- School of Science and Technology
- University of Camerino
- 62032 Camerino MC
- Italy
| | | | | | - Laura Bonfili
- School of Biosciences and Veterinary Medicine
- University of Camerino
- 62032 Camerino MC
- Italy
| | - Anna Maria Eleuteri
- School of Biosciences and Veterinary Medicine
- University of Camerino
- 62032 Camerino MC
- Italy
| | - Bruno Therrien
- Institute of Chemistry
- University of Neuchatel
- CH-2000 Neuchatel
- Switzerland
| | - Lucinda K. Batchelor
- Institut des Sciences et Ingénierie Chimiques
- École Polytechnique Fédérale de Lausanne (EPFL)
- 1015 Lausanne
- Switzerland
| | - Paul J. Dyson
- Institut des Sciences et Ingénierie Chimiques
- École Polytechnique Fédérale de Lausanne (EPFL)
- 1015 Lausanne
- Switzerland
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12
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Klose MHM, Hejl M, Heffeter P, Jakupec MA, Meier-Menches SM, Berger W, Keppler BK. Post-digestion stabilization of osmium enables quantification by ICP-MS in cell culture and tissue. Analyst 2018; 142:2327-2332. [PMID: 28585637 DOI: 10.1039/c7an00350a] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
Abstract
An orally active osmium anticancer compound was reliably quantified in the organs of treated mice by inductively coupled plasma-mass spectrometry (ICP-MS) by adding a stabilizing solution consisting of ascorbic acid, thiourea and EDTA during sample preparation and avoiding oxidizing conditions. The limits of detection (LOD) and quantification (LOQ) of 189Os were determined in liver tissue to be 0.02 and 0.075 μg kg-1, respectively. In spiked liver tissue, the internal precision showed a relative standard deviation (RSD) of 4%, a matrix recovery of 92% and a digestion recovery of 99%. A similar quantification protocol was developed for cellular accumulation studies in vitro. The cells were lysed with a non-oxidizing lysis buffer consisting of 150 mmol L-1 NaCl, 1.0% Triton X-100, 0.1% SDS, and 50 mmol L-1 Tris at pH 8.0 before adding the stabilizing solution. The osmium compound was compared with an isosteric ruthenium analogue and they displayed similar cellular accumulation and organ distribution profiles.
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13
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Deng J, Yu P, Zhang Z, Wang J, Cai J, Wu N, Sun H, Liang H, Yang F. Designing anticancer copper(II) complexes by optimizing 2-pyridine-thiosemicarbazone ligands. Eur J Med Chem 2018; 158:442-452. [PMID: 30241011 DOI: 10.1016/j.ejmech.2018.09.020] [Citation(s) in RCA: 56] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2018] [Revised: 09/04/2018] [Accepted: 09/08/2018] [Indexed: 11/18/2022]
Abstract
To develop potential next-generation metal anticancer agents, we designed and synthesised five Cu(II) 2-pyridine-thiosemicarbazone complexes by modifying the hydrogen atom at the N-4 position of ligands, and then investigated their structure-activity relationships and anticancer mechanisms. Modification of the N-4 position with different groups caused significant differences in cellular uptake and produced superior antitumor activity. Cu complexes arrested the cell cycle at S phase, leading to down-regulation of levels of cyclin and cyclin-dependent kinases and up-regulation of expression of cyclin-dependent kinase inhibitors. Cu complexes exerted chemotherapeutic effects via activating p53 and inducing production of reactive oxygen species to regulate expression of the B-cell lymphoma-2 family of proteins, causing a change in the mitochondrial membrane potential and release of cytochrome c to form a dimer with apoptosis protease activating factor-1, resulting in activation of caspase-9/3 to induce apoptosis. In addition, Cu complexes inhibited telomerase by down-regulating the c-myc regulator gene and expression of the human telomerase reverse transcriptase.
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Affiliation(s)
- Jungang Deng
- State Key Laboratory for the Chemistry and Molecular Engineering of Medicinal Resources, Ministry of Science and Technology of China, Guangxi Normal University, Guilin, Guangxi, China
| | - Ping Yu
- State Key Laboratory for the Chemistry and Molecular Engineering of Medicinal Resources, Ministry of Science and Technology of China, Guangxi Normal University, Guilin, Guangxi, China
| | - Zhenlei Zhang
- State Key Laboratory for the Chemistry and Molecular Engineering of Medicinal Resources, Ministry of Science and Technology of China, Guangxi Normal University, Guilin, Guangxi, China
| | - Jun Wang
- State Key Laboratory for the Chemistry and Molecular Engineering of Medicinal Resources, Ministry of Science and Technology of China, Guangxi Normal University, Guilin, Guangxi, China
| | - Jinhua Cai
- College of Chemistry & Chemical Engineering, Jinggangshan University, Jian, Jiangxi, China
| | - Na Wu
- State Key Laboratory for the Chemistry and Molecular Engineering of Medicinal Resources, Ministry of Science and Technology of China, Guangxi Normal University, Guilin, Guangxi, China
| | - Hongbin Sun
- State Key Laboratory for the Chemistry and Molecular Engineering of Medicinal Resources, Ministry of Science and Technology of China, Guangxi Normal University, Guilin, Guangxi, China; Jiangsu Key Laboratory of Drug Discovery for Metabolic Disease, China Pharmaceutical University, Nanjing, Jiangsu, China
| | - Hong Liang
- State Key Laboratory for the Chemistry and Molecular Engineering of Medicinal Resources, Ministry of Science and Technology of China, Guangxi Normal University, Guilin, Guangxi, China.
| | - Feng Yang
- State Key Laboratory for the Chemistry and Molecular Engineering of Medicinal Resources, Ministry of Science and Technology of China, Guangxi Normal University, Guilin, Guangxi, China.
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14
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Thangavel S, Paulpandi M, Friedrich HB, Sukesh K, Skelton AA. New Ru(II) half sandwich complexes bearing the N,N′ bidentate 9-ethyl-N-(pyridin-2-ylmethylene)9H-carbazole-3-amine ligand: Effects of halogen (Cl−, Br− and I−) leaving groups versus in vitro activity on HepG2 cancer cells, cell cycle, fluorescence study, cellular accumulation and DFT study. Polyhedron 2018. [DOI: 10.1016/j.poly.2018.05.060] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
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15
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Wu Q, Liu LY, Li S, Wang FX, Li J, Qian Y, Su Z, Mao ZW, Sadler PJ, Liu HK. Rigid dinuclear ruthenium-arene complexes showing strong DNA interactions. J Inorg Biochem 2018; 189:30-39. [PMID: 30218888 DOI: 10.1016/j.jinorgbio.2018.08.013] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2018] [Revised: 07/23/2018] [Accepted: 08/16/2018] [Indexed: 01/06/2023]
Abstract
Six novel dinuclear Ru(II)-arene complexes [Ru2(η6-p-cymene)2(1,3-bib)2Cl2]×2·Solvent (X = Cl- (1), I- (2), NO3- (3), BF4- (4), PF6- (5), CF3SO3- (6); 1,3-bib = 1,3-di(1H-imidazol-1-yl) benzene) were synthesized and fully characterized by FT-IR, 1H NMR, ESI-MS, Elemental Analysis (EA) and Powder X-ray Diffraction (PXRD). Single crystal X-ray diffractions studies showed that 3 and 4 have rigid bowl-like structures, where one counter-anion (NO3- for 3 and BF4- for 4) was trapped inside the cavity to balance the charge, respectively. Even complexes 1-6 showed only moderate or little anti-proliferative activity toward cancer cells, strong interactions with DNA molecules through intercalation, however, were confirmed by UV-Vis, CD and fluorescence spectroscopy. Apoptosis and cell cycle arrest studies for complex 2 with cancer A549 cells indicated concentration-dependent late apoptosis and the G1/G0 phase arrest. Interactions with the tripeptide glutathione (γ-L-Glu-L-Cys-Gly, GSH) might explain the relatively low antiproliferative potency of these complexes. This class of rigid dinuclear cations hold potential as DNA-targeting anticancer agents if their uptake and delivery could be under controlled.
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Affiliation(s)
- Qi Wu
- Jiangsu Collaborative Innovation Center of Biomedical Functional Materials, School of Chemistry and Materials Science, Nanjing Normal University, Nanjing 210046, China
| | - Liu-Yi Liu
- MOE Key Laboratory of Bioinorganic and Synthetic Chemistry, School of Chemistry, Sun Yat-Sen University, Guangzhou 510275, China
| | - Shunli Li
- Jiangsu Collaborative Innovation Center of Biomedical Functional Materials, School of Chemistry and Materials Science, Nanjing Normal University, Nanjing 210046, China
| | - Fang-Xin Wang
- MOE Key Laboratory of Bioinorganic and Synthetic Chemistry, School of Chemistry, Sun Yat-Sen University, Guangzhou 510275, China
| | - Ji Li
- Jiangsu Collaborative Innovation Center of Biomedical Functional Materials, School of Chemistry and Materials Science, Nanjing Normal University, Nanjing 210046, China
| | - Yong Qian
- Jiangsu Collaborative Innovation Center of Biomedical Functional Materials, School of Chemistry and Materials Science, Nanjing Normal University, Nanjing 210046, China
| | - Zhi Su
- Jiangsu Collaborative Innovation Center of Biomedical Functional Materials, School of Chemistry and Materials Science, Nanjing Normal University, Nanjing 210046, China.
| | - Zong-Wan Mao
- MOE Key Laboratory of Bioinorganic and Synthetic Chemistry, School of Chemistry, Sun Yat-Sen University, Guangzhou 510275, China.
| | - Peter J Sadler
- Department of Chemistry, University of Warwick, Coventry CV4 7AL, UK.
| | - Hong-Ke Liu
- Jiangsu Collaborative Innovation Center of Biomedical Functional Materials, School of Chemistry and Materials Science, Nanjing Normal University, Nanjing 210046, China.
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16
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Gichumbi JM, Friedrich HB. Half-sandwich complexes of platinum group metals (Ir, Rh, Ru and Os) and some recent biological and catalytic applications. J Organomet Chem 2018. [DOI: 10.1016/j.jorganchem.2018.04.021] [Citation(s) in RCA: 50] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
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17
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Meier-Menches SM, Gerner C, Berger W, Hartinger CG, Keppler BK. Structure-activity relationships for ruthenium and osmium anticancer agents - towards clinical development. Chem Soc Rev 2018; 47:909-928. [PMID: 29170783 DOI: 10.1039/c7cs00332c] [Citation(s) in RCA: 314] [Impact Index Per Article: 52.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
Anticancer metallodrugs based on ruthenium and osmium are among the most investigated and advanced non-platinum metallodrugs. Inorganic drug discovery with these agents has undergone considerable advances over the past two decades and has currently two representatives in active clinical trials. As many ruthenium and osmium metallodrugs are prodrugs, a key question to be addressed is how the molecular reactivity of such metal-based therapeutics dictates the selectivity and the type of interaction with molecular targets. Within this frame, this review introduces the field by the examples of the most advanced ruthenium lead structures. Then, global structure-activity relationships are discussed for ruthenium and osmium metallodrugs with respect to in vitro antiproliferative/cytotoxic activity and in vivo tumor-inhibiting properties, as well as pharmacokinetics. Determining and validating global mechanisms of action and molecular targets are still major current challenges. Moreover, significant efforts must be invested in screening in vivo tumor models that mimic human pathophysiology to increase the predictability for successful preclinical and clinical development of ruthenium and osmium metallodrugs.
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Affiliation(s)
- Samuel M Meier-Menches
- University of Vienna, Department of Analytical Chemistry, Waehringer Str. 38, A-1090 Vienna, Austria.
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18
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Gichumbi JM, Friedrich HB, Omondi B, Lazarus GG, Singh M, Chenia HY. Synthesis, characterization, anticancer and antimicrobial study of arene ruthenium(II) complexes with 1,2,4-triazole ligands containing an α-diimine moiety. ACTA ACUST UNITED AC 2018. [DOI: 10.1515/znb-2017-0145] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
Abstract
The reaction of the ruthenium arene dimers [(η
6-arene)Ru(μ-Cl)Cl]2 (where arene=benzene or p-cymene) with the ligands 4-benzylidene-3,5-di(2′-pyridyl)-4-amino-1,2,4-triazole (L1
), 2-methoxybenzylidene-3,5-di(2′-pyridyl)-4-amino-1,2,4-triazole (L2
), 4-methylbenzylidene-3,5-di(2′-pyridyl)-4-amino-1,2,4-triazole (L3
) and indole-3-carbaldehyde-3,5-di(2′-pyridyl)-4-amino-1,2,4-triazole (L4
) in a 1:2 ratio gives the new complexes [(η
6-arene)RuCl(L)]+ [arene=C6H6 (with L=L1(1), L2(3), L4(7), with PF6
− as a counter ion, and L4 (6), with Cl− as a counter ion) or p-cymene with L=L1(2), L2(4), L3(5), L4(8) with PF6
− as a counter ion]. All complexes were fully characterized using 1H and 13C NMR, elemental analyses, UV/Vis and IR spectroscopy. The single crystal X-ray structures of ligand L2
and complex 1 have been determined. The structure of 1 has the Ru atom coordinated with the arene group and to the N,N′-bidentate ligand and to the Cl atom. The arene group occupies the apex, while the ligand and the Cl atom are at the base of a pseudo-octahedral three-legged piano stool. The cytotoxicity of these mononuclear complexes was established in the human epithelial colorectal adenocarcinoma cell line (Caco-2) and for selectivity in the non-cancerous human embryonic kidney cell line (HEK293), using 5-fluorouracil (5-FU) as the reference anticancer drug. Compounds 1 and 7 were relatively inactive toward the Caco-2 tumor cells (IC50>200), while complexes 2–5 showed moderate anti-proliferative properties (IC50>100–200). Compound 6, however, displayed better anti-proliferative properties with an IC50 value lower than that of the reference drug, 5-FU, and was therefore further investigated for its antimicrobial activity against six Gram-positive and four Gram-negative bacteria.
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Affiliation(s)
- Joel M. Gichumbi
- School of Chemistry and Physics , University of KwaZulu-Natal , Private Bag X54001 , Durban 4000 , South Africa
| | - Holger B. Friedrich
- School of Chemistry and Physics , University of KwaZulu-Natal , Private Bag X54001 , Durban 4000 , South Africa
| | - Bernard Omondi
- School of Chemistry and Physics , University of KwaZulu-Natal , Private Bag X54001 , Durban 4000 , South Africa
| | - Geraldine G. Lazarus
- School of Life Sciences , University of KwaZulu-Natal , Private Bag X54001 , Durban 4000 , South Africa
| | - Moganavelli Singh
- School of Life Sciences , University of KwaZulu-Natal , Private Bag X54001 , Durban 4000 , South Africa
| | - Hafizah Y. Chenia
- School of Life Sciences , University of KwaZulu-Natal , Private Bag X54001 , Durban 4000 , South Africa
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19
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Gichumbi JM, Friedrich HB, Omondi B, Naicker K, Singh M, Chenia HY. Synthesis, characterization, antiproliferative, and antimicrobial activity of osmium(II) half-sandwich complexes. J COORD CHEM 2018. [DOI: 10.1080/00958972.2018.1434164] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Affiliation(s)
- Joel M. Gichumbi
- School of Chemistry and Physics, University of KwaZulu-Natal, Durban, South Africa
| | - Holger B. Friedrich
- School of Chemistry and Physics, University of KwaZulu-Natal, Durban, South Africa
| | - Bernard Omondi
- School of Chemistry and Physics, University of KwaZulu-Natal, Durban, South Africa
| | - Kovashnee Naicker
- School of Life Sciences, University of KwaZulu-Natal, Durban, South Africa
| | - Moganavelli Singh
- School of Life Sciences, University of KwaZulu-Natal, Durban, South Africa
| | - Hafizah Y. Chenia
- School of Life Sciences, University of KwaZulu-Natal, Durban, South Africa
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20
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Konkankit CC, Marker SC, Knopf KM, Wilson JJ. Anticancer activity of complexes of the third row transition metals, rhenium, osmium, and iridium. Dalton Trans 2018; 47:9934-9974. [DOI: 10.1039/c8dt01858h] [Citation(s) in RCA: 153] [Impact Index Per Article: 25.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
A summary of recent developments on the anticancer activity of complexes of rhenium, osmium, and iridium is described.
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Affiliation(s)
| | - Sierra C. Marker
- Department of Chemistry and Chemical Biology
- Cornell University
- Ithaca
- USA
| | - Kevin M. Knopf
- Department of Chemistry and Chemical Biology
- Cornell University
- Ithaca
- USA
| | - Justin J. Wilson
- Department of Chemistry and Chemical Biology
- Cornell University
- Ithaca
- USA
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21
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Zhang P, Huang H. Future potential of osmium complexes as anticancer drug candidates, photosensitizers and organelle-targeted probes. Dalton Trans 2018; 47:14841-14854. [DOI: 10.1039/c8dt03432j] [Citation(s) in RCA: 59] [Impact Index Per Article: 9.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Here we summarize recent progress in the design and application of innovative osmium compounds as anticancer agents with diverse modes of action, as organelle-targeted imaging probes and photosensitizers for photodynamic therapy.
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Affiliation(s)
- Pingyu Zhang
- College of Chemistry and Environmental Engineering
- Shenzhen University
- Shenzhen
- P. R. China
| | - Huaiyi Huang
- School of Pharmaceutical Sciences (Shenzhen)
- Sun Yat-sen University
- Guangzhou 510275
- P. R. China
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22
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Anticancer activity of osmium(VI) nitrido complexes in patient-derived glioblastoma initiating cells and in vivo mouse models. Cancer Lett 2017; 416:138-148. [PMID: 29246647 DOI: 10.1016/j.canlet.2017.11.041] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2017] [Revised: 11/20/2017] [Accepted: 11/30/2017] [Indexed: 11/24/2022]
Abstract
Glioblastoma is the most prevalent and lethal primary intrinsic brain tumor with a median patient survival of less than two years, even with the optimal standard of care, namely, surgical resection followed by radiotherapy with adjuvant temozolomide chemotherapy. Long-term survival is extremely rare and there is a tremendous need for novel GBM therapies. Following our prior reports on the anticancer activity of osmium(VI) nitrido compounds and their effectiveness against cancer initiating cells, we investigated the efficacy of Os(VI) on GBM initiating cells in vitro and in vivo. Conventional MTT and 3D cytotoxicity assays revealed that patient-derived GBM models were sensitive to cisplatin, TMZ, and two Os(IV) derivatives. Rapid cell death occurred at low micromolar concentrations of the Os(IV) compounds. Cell cycle analysis, Os uptake studies, and cellular distribution experiments provided further insight into the anticancer properties of these compounds, indicating differential uptake for both compounds and a modest G2/M arrest after treatment. Moreover, in vivo experiments showed a significant increase in survival after a single intracranial chemotherapeutic injection, results that warrant further studies using this approach.
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23
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Aman F, Hanif M, Kubanik M, Ashraf A, Söhnel T, Jamieson SMF, Siddiqui WA, Hartinger CG. Anti-Inflammatory Oxicams as Multi-donor Ligand Systems: pH- and Solvent-Dependent Coordination Modes of Meloxicam and Piroxicam to Ru and Os. Chemistry 2017; 23:4893-4902. [PMID: 28198061 DOI: 10.1002/chem.201700263] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2017] [Indexed: 11/11/2022]
Abstract
The nitrogen- and sulfur-containing 1,2-benzothiazines meloxicam and piroxicam are widely used as nonsteroidal anti-inflammatory drugs. Intrigued by the presence of multiple donor atoms and therefore potentially rich coordination chemistry, we prepared a series of organometallic Ru and Os compounds with meloxicam and piroxicam featuring either as mono- or bidentate ligand systems. The choice of the solvent and the pH value was identified as the critical parameter to achieve selectively mono- or bidentate coordination. The coordination modes were confirmed experimentally by NMR spectroscopy and single crystal X-ray diffraction analysis. Using DFT calculations, it was established that complexes in which meloxicam acts as a bidentate N,O donor are energetically more favorable than coordination as O,O and S,O donor systems. Since meloxicam and piroxicam derivatives have shown anticancer activity in the past, we aimed to compare the complexes with mono- and bidentate ligands on their in vitro anticancer activity. However, stability studies revealed that only the latter complexes were stable in [D6 ]DMSO/D2 O (5:95) and therefore no direct comparisons could be made. The meloxicam complexes 1 and 2 showed moderate cytotoxicity, whereas the piroxicam derivatives 5 and 6 were hardly active against the utilized cell lines.
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Affiliation(s)
- Farhana Aman
- School of Chemical Sciences, University of Auckland, Private Bag 92019, Auckland, 1142, New Zealand.,Department of Chemistry, University of Sargodha, Sargodha, 40100, Pakistan
| | - Muhammad Hanif
- School of Chemical Sciences, University of Auckland, Private Bag 92019, Auckland, 1142, New Zealand
| | - Mario Kubanik
- School of Chemical Sciences, University of Auckland, Private Bag 92019, Auckland, 1142, New Zealand
| | - Adnan Ashraf
- School of Chemical Sciences, University of Auckland, Private Bag 92019, Auckland, 1142, New Zealand.,Department of Chemistry, University of Sargodha, Sargodha, 40100, Pakistan
| | - Tilo Söhnel
- School of Chemical Sciences, University of Auckland, Private Bag 92019, Auckland, 1142, New Zealand
| | - Stephen M F Jamieson
- Auckland Cancer Society Research Centre, University of Auckland, Private Bag 92019, Auckland, 1142, New Zealand
| | | | - Christian G Hartinger
- School of Chemical Sciences, University of Auckland, Private Bag 92019, Auckland, 1142, New Zealand
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24
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A survey of the mechanisms of action of anticancer transition metal complexes. Future Med Chem 2016; 8:2263-2286. [DOI: 10.4155/fmc-2016-0153] [Citation(s) in RCA: 50] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022] Open
Abstract
Metal complexes have been the subject of numerous investigations in oncology but, despite the plethora of newly synthesized compounds, their precise mechanisms of action remain generally unknown or, for the best, incompletely determined. The continuous development of efficient and sensitive techniques in analytical chemistry and molecular biology gives scientists new tools to gather information on how metal complexes can be effective toward cancer. This review focuses on recent findings about the anticancer mechanism of action of metal complexes and how the ligands can be used to tune their pharmacological and physicochemical properties.
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25
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Komarnicka UK, Starosta R, Kyzioł A, Płotek M, Puchalska M, Jeżowska-Bojczuk M. New copper(I) complexes bearing lomefloxacin motif: Spectroscopic properties, in vitro cytotoxicity and interactions with DNA and human serum albumin. J Inorg Biochem 2016; 165:25-35. [DOI: 10.1016/j.jinorgbio.2016.09.015] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2016] [Revised: 09/19/2016] [Accepted: 09/29/2016] [Indexed: 10/20/2022]
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26
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Tabrizi L, Chiniforoshan H. Discovery of organometallic Ruthenium(II)-arene complexes of lidocaine as improved photocytotoxic agents. Polyhedron 2016. [DOI: 10.1016/j.poly.2016.09.031] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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27
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Göschl S, Varbanov HP, Theiner S, Jakupec MA, Galanski MS, Keppler BK. The role of the equatorial ligands for the redox behavior, mode of cellular accumulation and cytotoxicity of platinum(IV) prodrugs. J Inorg Biochem 2016; 160:264-74. [PMID: 27055943 DOI: 10.1016/j.jinorgbio.2016.03.005] [Citation(s) in RCA: 38] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2015] [Revised: 02/23/2016] [Accepted: 03/12/2016] [Indexed: 01/31/2023]
Abstract
The current study aims to elucidate the possible reasons for the significantly different pharmacological behavior of platinum(IV) complexes with cisplatin-, carboplatin- or nedaplatin-like cores and how this difference can be related to their main physicochemical properties. Chlorido-containing complexes are reduced fast (within hours) by ascorbate and are able to unwind plasmid DNA in the presence of ascorbate, while their tri- and tetracarboxylato analogs are generally inert under the same conditions. Comparison of the lipophilicity, cellular accumulation and cytotoxicity of the investigated platinum compounds revealed the necessity to define new structure-property/activity relationships (SPRs and SARs). The higher activity and improved accumulation of platinum(IV) complexes bearing Cl(-) in equatorial position cannot only be attributed to passive diffusion facilitated by their lipophilicity. Therefore, further platinum accumulation experiments under conditions where active/facilitated transport mechanisms are suppressed were performed. Under hypothermic conditions (4°C), accumulation of dichloridoplatinum(IV) complexes is reduced down to 10% of the amount determined at 37°C. These findings suggest the involvement of active and/or facilitated transport in cellular uptake of platinum(IV) complexes with a cisplatin-like core. Studies with ATP depletion mediated by oligomycin and low glucose partially confirmed these observations, but their feasibility was severely limited in the adherent cell culture setting.
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Affiliation(s)
- Simone Göschl
- Institute of Inorganic Chemistry, University of Vienna, Waehringer Strasse 42, A-1090 Vienna, Austria
| | - Hristo P Varbanov
- Institute of Inorganic Chemistry, University of Vienna, Waehringer Strasse 42, A-1090 Vienna, Austria; Institut des Sciences et Ingénierie Chimiques, Ecole Polytechnique Fédérale de Lausanne (EPFL), CH-1015 Lausanne, Switzerland.
| | - Sarah Theiner
- Institute of Inorganic Chemistry, University of Vienna, Waehringer Strasse 42, A-1090 Vienna, Austria; Research Platform "Translational Cancer Therapy Research", University of Vienna, Waehringer Strasse 42, A-1090 Vienna, Austria
| | - Michael A Jakupec
- Institute of Inorganic Chemistry, University of Vienna, Waehringer Strasse 42, A-1090 Vienna, Austria; Research Platform "Translational Cancer Therapy Research", University of Vienna, Waehringer Strasse 42, A-1090 Vienna, Austria.
| | - Mathea S Galanski
- Institute of Inorganic Chemistry, University of Vienna, Waehringer Strasse 42, A-1090 Vienna, Austria
| | - Bernhard K Keppler
- Institute of Inorganic Chemistry, University of Vienna, Waehringer Strasse 42, A-1090 Vienna, Austria; Research Platform "Translational Cancer Therapy Research", University of Vienna, Waehringer Strasse 42, A-1090 Vienna, Austria
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28
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Kaushal R, Sheetal. In vitro anticancer and antibacterial activities of octahedral ruthenium(III) complexes with hydroxamic acids. Synthesis and spectroscopic characterization. RUSS J GEN CHEM+ 2016. [DOI: 10.1134/s1070363216020274] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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29
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Molecular mode of action of NKP-1339 - a clinically investigated ruthenium-based drug - involves ER- and ROS-related effects in colon carcinoma cell lines. Invest New Drugs 2016; 34:261-8. [PMID: 26988975 PMCID: PMC4859864 DOI: 10.1007/s10637-016-0337-8] [Citation(s) in RCA: 84] [Impact Index Per Article: 10.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2016] [Accepted: 03/01/2016] [Indexed: 12/15/2022]
Abstract
Sodium trans-[tetrachloridobis(1H-indazole)ruthenate(III)] (NKP-1339) is a clinically investigated ruthenium-based metal complex, which shows promising results in solid tumors, such as non-small cell lung cancer, colorectal carcinoma, and most distinctively in gastrointestinal neuroendocrine tumors. In previous studies, fast binding to albumin as well as transferrin could be shown. The enhanced permeability and retention (EPR) effect, which is diversely being exploited for tumor targeting, could therefore be applicable for NKP-1339. Here we studied the serum dependence of its biological activity in various methods, influencing its cellular accumulation, cytotoxicity as well as the generation of reactive oxygen species (ROS). ROS lead to Nrf2 activation, which is known to activate antioxidant response gene transcription. GRP78 down-regulation on the protein level suggests ER associated protein degradation (ERAD) as a mode of action, as RNA levels are only mildly affected. Another important part for the mode of action is endoplasmic reticulum (ER) stress, as different factors are highly upregulated on the protein level. For example PERK, a transmembrane receptor which is released by GRP78 when the ER is disturbed, is upregulated and phosphorylated. EIF2α is phosphorylated, which leads to an inhibition of CAP-dependent translation and other stress responses. The transcription factor CHOP (DDIT3), which promotes ER stress dependent apoptosis, is time and concentration dependently upregulated. Finally cytotoxicity tests could prove that inhibition of ER stress and ER stress-mediated apoptosis leads to decreased cytotoxic effects of NKP-1339, which highlights the involvement of this mechanism in the mode of action.
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30
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Păunescu E, McArthur S, Soudani M, Scopelliti R, Dyson PJ. Nonsteroidal Anti-inflammatory—Organometallic Anticancer Compounds. Inorg Chem 2016; 55:1788-808. [DOI: 10.1021/acs.inorgchem.5b02690] [Citation(s) in RCA: 58] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
Affiliation(s)
- Emilia Păunescu
- Institut des Sciences
et Ingénierie Chimiques, Ecole Polytechnique Fédérale
de Lausanne (EPFL), CH-1015 Lausanne, Switzerland
| | - Sarah McArthur
- Institut des Sciences
et Ingénierie Chimiques, Ecole Polytechnique Fédérale
de Lausanne (EPFL), CH-1015 Lausanne, Switzerland
| | - Mylène Soudani
- Institut des Sciences
et Ingénierie Chimiques, Ecole Polytechnique Fédérale
de Lausanne (EPFL), CH-1015 Lausanne, Switzerland
| | - Rosario Scopelliti
- Institut des Sciences
et Ingénierie Chimiques, Ecole Polytechnique Fédérale
de Lausanne (EPFL), CH-1015 Lausanne, Switzerland
| | - Paul J. Dyson
- Institut des Sciences
et Ingénierie Chimiques, Ecole Polytechnique Fédérale
de Lausanne (EPFL), CH-1015 Lausanne, Switzerland
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31
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Kubanik M, Kandioller W, Kim K, Anderson RF, Klapproth E, Jakupec MA, Roller A, Söhnel T, Keppler BK, Hartinger CG. Towards targeting anticancer drugs: ruthenium(ii)–arene complexes with biologically active naphthoquinone-derived ligand systems. Dalton Trans 2016; 45:13091-103. [DOI: 10.1039/c6dt01110a] [Citation(s) in RCA: 41] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
2-Hydroxy-[1,4]-naphthoquinone-derived ligands and their RuII(η6-p-cymene)Cl complexes were prepared with the aim to obtain multimodal anticancer agents.
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32
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Kurzwernhart A, Mokesch S, Klapproth E, Adib-Ravazi MS, Jakupec MA, Hartinger CG, Kandioller W, Keppler BK. Flavonoid-Based Organometallics with Different Metal Centers - Investigations of the Effects on Reactivity and Cytotoxicity. Eur J Inorg Chem 2015. [DOI: 10.1002/ejic.201501020] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
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33
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Păunescu E, Nowak-Sliwinska P, Clavel CM, Scopelliti R, Griffioen AW, Dyson PJ. Anticancer Organometallic Osmium(II)-p-cymene Complexes. ChemMedChem 2015; 10:1539-47. [DOI: 10.1002/cmdc.201500221] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/19/2015] [Indexed: 11/07/2022]
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34
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Synthesis and molecular studies of half-sandwich arene ruthenium and Cp*Rh/Cp*Ir complexes containing (3-picolyl)thiourea derivatives as N,S-bidentate donor ligands. TRANSIT METAL CHEM 2015. [DOI: 10.1007/s11243-015-9946-x] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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35
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Renfrew AK. Transition metal complexes with bioactive ligands: mechanisms for selective ligand release and applications for drug delivery. Metallomics 2015; 6:1324-35. [PMID: 24850462 DOI: 10.1039/c4mt00069b] [Citation(s) in RCA: 140] [Impact Index Per Article: 15.6] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
The unique properties of transition metal complexes, such as environment-responsive ligand exchange kinetics, diverse photochemical and photophysical properties, and the ability to form specific interactions with biomolecules, make them interesting platforms for selective drug delivery. This minireview will focus on recent examples of rationally designed complexes with bioactive ligands, exploring the different roles of the metal, and mechanisms of ligand release. Developments in the techniques used to study the mechanisms of action of metal-drug complexes will also be discussed, including X-ray protein crystallography, fluorescence lifetime imaging, and X-ray absorption spectroscopy.
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Affiliation(s)
- Anna K Renfrew
- The University of Sydney, Chemistry, School of Chemistry, Building F11, Sydney, New South Wales, Australia.
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36
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Yuan J, Lei Z, Wang X, Zhu F, Chen D. Ruthenium complex Λ-WH0402 induces hepatocellular carcinoma LM6 (HCCLM6) cell death by triggering the Beclin-1-dependent autophagy pathway. Metallomics 2015; 7:896-907. [PMID: 25811406 DOI: 10.1039/c5mt00010f] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Abstract
To evaluate the anticancer mechanism of the new ruthenium complex-Λ-WH0402 at the cellular level, the in vitro cytotoxicity of Λ-WH0402 was investigated on 10 human tumor cell lines. Λ-WH0402 was found to have higher anticancer activity than cisplatin toward human liver cancer HCCLM6 cells that have high tumor metastatic characteristics. Meanwhile, Λ-WH0402 showed an antimetastatic effect on HCCLM6 cells in vitro, mostly through its effect on cell adhesion, invasion and migration. In addition, Λ-WH0402 significantly reduced tumor metastasis to the lungs in orthotopic mouse hepatocellular cancer (HCC) models induced by HCCLM6 cells. Furthermore, Λ-WH0402 exerted an inhibitory effect on tumor cell growth and proliferation and induced dose-dependent cell cycle arrest in the S phase in HCCLM6 cells. Immunoblotting analysis showed that Λ-WH0402 not only decreased the expression of antiapoptotic protein Bcl-2 and nutrient-deprivation autophagy factor-1 (NAF-1), but also significantly increased the expression of Beclin-1 in HCCLM6 cells. More importantly, we identified that Λ-WH0402 treatment reduced the interaction between Bcl-2 and Beclin-1, and increased the expression of autophagic activation marker LC3B-II in HCCLM6 cells. On the whole, our results suggested that the anitcancer activity of Λ-WH0402 is mediated through promoting the Beclin-1-dependent autophagy pathway in HCCLM6 cells.
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Affiliation(s)
- Jian Yuan
- Department of Pathology and Guangdong Key Laboratory for Bioactive Drugs Research, Guangdong Pharmaceutical University, Guangzhou, Guangdong 510006, P. R. China.
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37
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Emam SM, El Sayed IET, Nassar N. Transition metal complexes of neocryptolepine analogues. Part I: synthesis, spectroscopic characterization, and invitro anticancer activity of copper(II) complexes. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2015; 138:942-953. [PMID: 24867072 DOI: 10.1016/j.saa.2014.03.114] [Citation(s) in RCA: 42] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/21/2013] [Revised: 03/09/2014] [Accepted: 03/29/2014] [Indexed: 06/03/2023]
Abstract
New generation of copper(II) complexes with aminoalkylaminoneocryptolepine as bidentate ligands has been synthesized and it is characterized by elemental analyses, magnetic moment, spectra (IR, UV-Vis, (1)H NMR and ESR) and thermal studies. The IR data suggest the coordination modes for ligands which behave as a bidentate with copper(II) ion. Based on the elemental analysis, magnetic studies, electronic and ESR data, binuclear square planar geometry was proposed for complexes 7a, 7b, square pyramidal for 9a, 9b and octahedral for 8a, 8b, 10a, 10b. The molar conductance in DMF solution indicates that all complexes are electrolyte except 7a and 7b. The ESR spectra of solid copper(II) complexes in powder form showed an axial symmetry with (2)B1g as a ground state and hyperfine structure. The thermal stability and degradation of the ligands and their metal complexes were studied employing DTA and TG methods. The metal-free ligands and their copper(II) complexes were tested for their in vitro anticancer activity against human colon carcinoma (HT-29). The results showed that the synthesized copper(II) complexes exhibited higher anticancer activity than their free ligands. Of all the studied copper(II) complexes, the bromo-substituted complex 9b exhibited high anticancer activity at low micromolar inhibitory concentrations (IC50=0.58μM), compared to the other complexes and the free ligands.
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Affiliation(s)
- Sanaa Moustafa Emam
- El-Menoufia University, Faculty of Science, Chemistry Department, Shebin El koom, Egypt
| | | | - Nagla Nassar
- El-Menoufia University, Faculty of Science, Chemistry Department, Shebin El koom, Egypt
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38
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Medici S, Peana M, Nurchi VM, Lachowicz JI, Crisponi G, Zoroddu MA. Noble metals in medicine: Latest advances. Coord Chem Rev 2015. [DOI: 10.1016/j.ccr.2014.08.002] [Citation(s) in RCA: 373] [Impact Index Per Article: 41.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
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39
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Reddy ER, Trivedi R, Sarma AVS, Sridhar B, Anantaraju HS, Sriram D, Yogeeswari P, Nagesh N. Sugar-boronate ester scaffold tethered pyridyl-imine palladium(ii) complexes: synthesis and their in vitro anticancer evaluation. Dalton Trans 2015; 44:17600-16. [DOI: 10.1039/c5dt03266k] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
The anticancer activity of sugar-boronate ester containing palladium(ii) complexes is reported.
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Affiliation(s)
- Eda Rami Reddy
- Inorganic and Physical Chemistry Division
- CSIR-IICT
- Hyderabad-500007
- India
| | - Rajiv Trivedi
- Inorganic and Physical Chemistry Division
- CSIR-IICT
- Hyderabad-500007
- India
| | | | | | | | - Dharmarajan Sriram
- Department of Pharmacy
- Birla Institute of Technology & Science – Pilani
- Hyderabad 500 078
- India
| | - Perumal Yogeeswari
- Department of Pharmacy
- Birla Institute of Technology & Science – Pilani
- Hyderabad 500 078
- India
| | - Narayana Nagesh
- CSIR-Centre for Cellular and Molecular Biology
- Hyderabad-500 007
- India
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40
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Wang L, Świtalska M, Wang N, Du ZJ, Fukumoto Y, Diep NK, Kiguchi R, Nokami J, Wietrzyk J, Inokuchi T. Design, synthesis, and biological evaluation of artemisinin-indoloquinoline hybrids as potent antiproliferative agents. Molecules 2014; 19:19021-35. [PMID: 25412047 PMCID: PMC6271626 DOI: 10.3390/molecules191119021] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/13/2014] [Revised: 11/10/2014] [Accepted: 11/12/2014] [Indexed: 11/16/2022] Open
Abstract
A series of artemisinin-indoloquinoline hybrids were designed and synthesized in an attempt to develop potent and selective anti-tumor agents. Compounds 7a–7f, 8 and 9 were prepared and characterized. Their antiproliferative activities against MV4-11, HCT-116, A549, and BALB/3T3 cell lines in vitro were tested. Nearly all of the tested compounds (7–9, except for compounds 7d and 7e against HCT-116) showed an increased antitumor activity against HCT-116 and A549 cell lines when compared to the dihydroartemisinin control. Especially for the artemisinin-indoloquinoline hybrid 8, with an 11-aminopropylamino-10H-indolo[3,2-b]quinoline substituent, the antiproliferative activity against the A549 cell line had improved more than ten times. The IC50 value of hybrid 8 against A549 cell lines was decreased to 1.328 ± 0.586 μM, while dihydroartemisin showed IC50 value of >20 µM in the same cell line. Thus, these results have proven that the strategy of introducing a planar basic fused aromatic moiety, such as the indoloquinoline skeleton, could improve the antiproliferative activity and selectivity towards cancer cell lines.
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Affiliation(s)
- Li Wang
- Division of Chemistry and Biotechnology, Graduate School of Natural Science and Technology, Okayama University, 3-1-1 Tsushima-naka, Kita-ku, Okayama 700-8530, Japan.
| | - Marta Świtalska
- Institute of Immunology and Experimental Therapy, Polish Academy of Science, 12, R. Weigl Street, Wroclaw 53-114, Poland.
| | - Ning Wang
- Division of Chemistry and Biotechnology, Graduate School of Natural Science and Technology, Okayama University, 3-1-1 Tsushima-naka, Kita-ku, Okayama 700-8530, Japan.
| | - Zhen-Jun Du
- Department of Applied Chemistry, Faculty of Engineering, Okayama University of Science, Ridai-cho, Kita-ku, Okayama, Japan.
| | - Yuta Fukumoto
- Division of Chemistry and Biotechnology, Graduate School of Natural Science and Technology, Okayama University, 3-1-1 Tsushima-naka, Kita-ku, Okayama 700-8530, Japan.
| | - Nguyen Kim Diep
- Division of Chemistry and Biotechnology, Graduate School of Natural Science and Technology, Okayama University, 3-1-1 Tsushima-naka, Kita-ku, Okayama 700-8530, Japan.
| | - Ryo Kiguchi
- Division of Chemistry and Biotechnology, Graduate School of Natural Science and Technology, Okayama University, 3-1-1 Tsushima-naka, Kita-ku, Okayama 700-8530, Japan.
| | - Junzo Nokami
- Department of Applied Chemistry, Faculty of Engineering, Okayama University of Science, Ridai-cho, Kita-ku, Okayama, Japan.
| | - Joanna Wietrzyk
- Institute of Immunology and Experimental Therapy, Polish Academy of Science, 12, R. Weigl Street, Wroclaw 53-114, Poland.
| | - Tsutomu Inokuchi
- Division of Chemistry and Biotechnology, Graduate School of Natural Science and Technology, Okayama University, 3-1-1 Tsushima-naka, Kita-ku, Okayama 700-8530, Japan.
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41
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Aman F, Hanif M, Siddiqui WA, Ashraf A, Filak LK, Reynisson J, Söhnel T, Jamieson SMF, Hartinger CG. Anticancer Ruthenium(η6-p-cymene) Complexes of Nonsteroidal Anti-inflammatory Drug Derivatives. Organometallics 2014. [DOI: 10.1021/om500825h] [Citation(s) in RCA: 73] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Affiliation(s)
- Farhana Aman
- School
of Chemical Sciences, University of Auckland, Private Bag 92019, Auckland 1142, New Zealand
- Department
of Chemistry, University of Sargodha, Sargodha 40100, Pakistan
| | - Muhammad Hanif
- School
of Chemical Sciences, University of Auckland, Private Bag 92019, Auckland 1142, New Zealand
- Department
of Chemistry, COMSATS Institute of Information Technology, Abbottabad 22060, Pakistan
| | | | - Adnan Ashraf
- School
of Chemical Sciences, University of Auckland, Private Bag 92019, Auckland 1142, New Zealand
- Department
of Chemistry, University of Sargodha, Sargodha 40100, Pakistan
| | - Lukas K. Filak
- School
of Chemical Sciences, University of Auckland, Private Bag 92019, Auckland 1142, New Zealand
| | - Jóhannes Reynisson
- School
of Chemical Sciences, University of Auckland, Private Bag 92019, Auckland 1142, New Zealand
| | - Tilo Söhnel
- School
of Chemical Sciences, University of Auckland, Private Bag 92019, Auckland 1142, New Zealand
| | - Stephen M. F. Jamieson
- Auckland
Cancer Society Research Centre, University of Auckland, Private Bag 92019, Auckland 1142, New Zealand
| | - Christian G. Hartinger
- School
of Chemical Sciences, University of Auckland, Private Bag 92019, Auckland 1142, New Zealand
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42
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Chow MJ, Licona C, Yuan Qiang Wong D, Pastorin G, Gaiddon C, Ang WH. Discovery and investigation of anticancer ruthenium-arene Schiff-base complexes via water-promoted combinatorial three-component assembly. J Med Chem 2014; 57:6043-59. [PMID: 25023617 DOI: 10.1021/jm500455p] [Citation(s) in RCA: 111] [Impact Index Per Article: 11.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
The structural diversity of metal scaffolds makes them a viable alternative to traditional organic scaffolds for drug design. Combinatorial chemistry and multicomponent reactions, coupled with high-throughput screening, are useful techniques in drug discovery, but they are rarely used in metal-based drug design. We report the optimization and validation of a new combinatorial, metal-based, three-component assembly reaction for the synthesis of a library of 442 Ru-arene Schiff-base (RAS) complexes. These RAS complexes were synthesized in a one-pot, on-a-plate format using commercially available starting materials under aqueous conditions. The library was screened for their anticancer activity, and several cytotoxic lead compounds were identified. In particular, [(η6-1,3,5-triisopropylbenzene)RuCl(4-methoxy-N-(2-quinolinylmethylene)aniline)]Cl (4) displayed low micromolar IC50 values in ovarian cancers (A2780, A2780cisR), breast cancer (MCF7), and colorectal cancer (HCT116, SW480). The absence of p53 activation or changes in IC50 value between p53+/+ and p53-/- cells suggests that 4 and possibly the other lead compounds may act independently of the p53 tumor suppressor gene frequently mutated in cancer.
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Affiliation(s)
- Mun Juinn Chow
- Department of Chemistry, National University of Singapore , 3 Science Drive 3, 117543 Singapore
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43
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Pettinari R, Marchetti F, Condello F, Pettinari C, Lupidi G, Scopelliti R, Mukhopadhyay S, Riedel T, Dyson PJ. Ruthenium(II)–Arene RAPTA Type Complexes Containing Curcumin and Bisdemethoxycurcumin Display Potent and Selective Anticancer Activity. Organometallics 2014. [DOI: 10.1021/om500317b] [Citation(s) in RCA: 140] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Affiliation(s)
| | | | | | | | | | - Rosario Scopelliti
- Institut des Sciences et Ingénierie
Chimiques, Ecole Polytechnique Fédérale de Lausanne (EPFL), 1015 Lausanne, Switzerland
| | - Suman Mukhopadhyay
- Institut des Sciences et Ingénierie
Chimiques, Ecole Polytechnique Fédérale de Lausanne (EPFL), 1015 Lausanne, Switzerland
| | - Tina Riedel
- Institut des Sciences et Ingénierie
Chimiques, Ecole Polytechnique Fédérale de Lausanne (EPFL), 1015 Lausanne, Switzerland
| | - Paul J. Dyson
- Institut des Sciences et Ingénierie
Chimiques, Ecole Polytechnique Fédérale de Lausanne (EPFL), 1015 Lausanne, Switzerland
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44
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Hanif M, Babak MV, Hartinger CG. Development of anticancer agents: wizardry with osmium. Drug Discov Today 2014; 19:1640-8. [PMID: 24955838 DOI: 10.1016/j.drudis.2014.06.016] [Citation(s) in RCA: 117] [Impact Index Per Article: 11.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2014] [Revised: 04/22/2014] [Accepted: 06/16/2014] [Indexed: 12/20/2022]
Abstract
Platinum compounds are one of the pillars of modern cancer chemotherapy. The apparent disadvantages of existing chemotherapeutics have led to the development of novel anticancer agents with alternative modes of action. Many complexes of the heavy metal osmium (Os) are potent growth inhibitors of human cancer cells and are active in vivo, often superior or comparable to cisplatin, as the benchmark metal-based anticancer agent, or clinically tested ruthenium (Ru) drug candidates. Depending on the choice of ligand system, osmium compounds exhibit diverse modes of action, including redox activation, DNA targeting or inhibition of protein kinases. In this review, we highlight recent advances in the development of osmium anticancer drug candidates and discuss their cellular mechanisms of action.
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Affiliation(s)
- Muhammad Hanif
- School of Chemical Sciences, University of Auckland, Private Bag 92019, Auckland 1142, New Zealand.
| | - Maria V Babak
- School of Chemical Sciences, University of Auckland, Private Bag 92019, Auckland 1142, New Zealand
| | - Christian G Hartinger
- School of Chemical Sciences, University of Auckland, Private Bag 92019, Auckland 1142, New Zealand.
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45
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Filak LK, Kalinowski DS, Bauer TJ, Richardson DR, Arion VB. Effect of the piperazine unit and metal-binding site position on the solubility and anti-proliferative activity of ruthenium(II)- and osmium(II)- arene complexes of isomeric indolo[3,2-c]quinoline-piperazine hybrids. Inorg Chem 2014; 53:6934-43. [PMID: 24927493 PMCID: PMC4087041 DOI: 10.1021/ic500825j] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Abstract
![]()
In this study, the indoloquinoline
backbone and piperazine were combined to prepare indoloquinoline–piperazine
hybrids and their ruthenium- and osmium-arene complexes in an effort
to generate novel antitumor agents with improved aqueous solubility.
In addition, the position of the metal-binding unit was varied, and
the effect of these structural alterations on the aqueous solubility
and antiproliferative activity of their ruthenium- and osmium-arene
complexes was studied. The indoloquinoline–piperazine hybrids
L1–3 were prepared in situ and
isolated as six ruthenium and osmium complexes [(η6-p-cymene)M(L1–3)Cl]Cl, where
L1 = 6-(4-methylpiperazin-1-yl)-N-(pyridin-2-yl-methylene)-11H-indolo[3,2-c]quinolin-2-N-amine, M = Ru ([1a]Cl), Os ([1b]Cl), L2 = 6-(4-methylpiperazin-1-yl)-N-(pyridin-2-yl-methylene)-11H-indolo[3,2-c]quinolin-4-N-amine, M = Ru ([2a]Cl), Os ([2b]Cl), L3 = 6-(4-methylpiperazin-1-yl)-N-(pyridin-2-yl-methylene)-11H-indolo[3,2-c]quinolin-8-N-amine, M = Ru ([3a]Cl), Os ([3b]Cl). The
compounds were characterized by elemental analysis, one- and two-dimensional
NMR spectroscopy, ESI mass spectrometry, IR and UV–vis spectroscopy,
and single-crystal X-ray diffraction. The antiproliferative activity
of the isomeric ruthenium and osmium complexes [1a,b]Cl–[3a,b]Cl was examined in
vitro and showed the importance of the position of the metal-binding
site for their cytotoxicity. Those complexes containing the metal-binding
site located at the position 4 of the indoloquinoline scaffold ([2a]Cl and [2b]Cl) demonstrated the most potent
antiproliferative activity. The results provide important insight
into the structure–activity relationships of ruthenium- and
osmium-arene complexes with indoloquinoline–piperazine hybrid
ligands. These studies can be further utilized for the design and
development of more potent chemotherapeutic agents. Three different structural isomers of the indoloquinoline−piperazine
hybrid were prepared in situ and isolated as ruthenium-
and osmium-arene complexes. The effect of the piperazine unit and
metal-binding site position on the aqueous solubility and antiproliferative
activity of the metal complexes was studied.
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Affiliation(s)
- Lukas K Filak
- Institute of Inorganic Chemistry, University of Vienna , Währinger Strasse 42, A-1090 Vienna, Austria
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46
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Singh SK, Pandey DS. Multifaceted half-sandwich arene–ruthenium complexes: interactions with biomolecules, photoactivation, and multinuclearity approach. RSC Adv 2014. [DOI: 10.1039/c3ra44131h] [Citation(s) in RCA: 69] [Impact Index Per Article: 6.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022] Open
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47
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Ma C, Cheng S, Hu Z, Li Q, Zhang R, Zhang S. Synthesis and characterization of a novel o-tolyltelluronic trimethyltin ester and its cytotoxic assessment in vitro. Dalton Trans 2014; 43:671-9. [DOI: 10.1039/c3dt52326h] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
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48
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Belsa L, López C, González A, Font-Bardı́a M, Calvet T, Calvis C, Messeguer R. Neutral and Ionic Cycloruthenated 2-Phenylindoles as Cytotoxic Agents. Organometallics 2013. [DOI: 10.1021/om400941b] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/17/2023]
Affiliation(s)
- Lluís Belsa
- Departament de Quı́mica
Inorgànica,
Facultat de Quı́mica, Universitat de Barcelona, Martí
i Franquès 1-11, E-08028 Barcelona, Spain
| | - Concepción López
- Departament de Quı́mica
Inorgànica,
Facultat de Quı́mica, Universitat de Barcelona, Martí
i Franquès 1-11, E-08028 Barcelona, Spain
| | - Asensio González
- Laboratori de Quı́mica Orgànica,
Facultat de Farmàcia, Universitat de Barcelona, Pl. Pius
XII s/n, E-08028 Barcelona, Spain
| | - Mercè Font-Bardı́a
- Unitat
de Difracció de Raig-X, Centre Científic i Tecnològic de la Universitat de Barcelona, Solé i Sabarı́s 1-3, E-08028 Barcelona, Spain
| | - Teresa Calvet
- Departament de Crystal·lografı́a,
Mineralogia i Dipòsits Minerals, Facultat de Geologı́a, Universitat de Barcelona, Martı́ i Franquès s/n, E-08028 Barcelona, Spain
| | - Carmen Calvis
- Biomed Division, LEITAT Tecnological Center, Parc Científic de Barcelona, Edifici Hèlix, Baldiri Reixach
15-21, E-08028 Barcelona, Spain
| | - Ramon Messeguer
- Biomed Division, LEITAT Tecnological Center, Parc Científic de Barcelona, Edifici Hèlix, Baldiri Reixach
15-21, E-08028 Barcelona, Spain
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49
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Fu Y, Soni R, Romero MJ, Pizarro AM, Salassa L, Clarkson GJ, Hearn JM, Habtemariam A, Wills M, Sadler PJ. Mirror-image organometallic osmium arene iminopyridine halido complexes exhibit similar potent anticancer activity. Chemistry 2013; 19:15199-209. [PMID: 24114923 PMCID: PMC4280897 DOI: 10.1002/chem.201302183] [Citation(s) in RCA: 37] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2013] [Indexed: 01/01/2023]
Abstract
Four chiral Os(II) arene anticancer complexes have been isolated by fractional crystallization. The two iodido complexes, (S(Os),S(C))-[Os(η(6)-p-cym)(ImpyMe)I]PF6 (complex 2, (S)-ImpyMe: N-(2-pyridylmethylene)-(S)-1-phenylethylamine) and (R(Os),R(C))-[Os(η(6)-p-cym)(ImpyMe)I]PF6 (complex 4, (R)-ImpyMe: N-(2-pyridylmethylene)-(R)-1-phenylethylamine), showed higher anticancer activity (lower IC50 values) towards A2780 human ovarian cancer cells than cisplatin and were more active than the two chlorido derivatives, (S(Os),S(C))-[Os(η(6)-p-cym)(ImpyMe)Cl]PF6, 1, and (R(Os),R(C))-[Os(η(6)-p-cym)(ImpyMe)Cl]PF6, 3. The two iodido complexes were evaluated in the National Cancer Institute 60-cell-line screen, by using the COMPARE algorithm. This showed that the two potent iodido complexes, 2 (NSC: D-758116/1) and 4 (NSC: D-758118/1), share surprisingly similar cancer cell selectivity patterns with the anti-microtubule drug, vinblastine sulfate. However, no direct effect on tubulin polymerization was found for 2 and 4, an observation that appears to indicate a novel mechanism of action. In addition, complexes 2 and 4 demonstrated potential as transfer-hydrogenation catalysts for imine reduction.
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Affiliation(s)
- Ying Fu
- Department of Chemistry, University of WarwickGibbet Hill Road, Coventry, CV4 7AL (UK)
| | - Rina Soni
- Department of Chemistry, University of WarwickGibbet Hill Road, Coventry, CV4 7AL (UK)
| | - María J Romero
- Department of Chemistry, University of WarwickGibbet Hill Road, Coventry, CV4 7AL (UK)
| | - Ana M Pizarro
- Department of Chemistry, University of WarwickGibbet Hill Road, Coventry, CV4 7AL (UK)
| | - Luca Salassa
- Department of Chemistry, University of WarwickGibbet Hill Road, Coventry, CV4 7AL (UK)
- CIC biomaGUNEPaseo Miramón 182, 20009 Donostia-San Sebastián (Spain)
| | - Guy J Clarkson
- Department of Chemistry, University of WarwickGibbet Hill Road, Coventry, CV4 7AL (UK)
| | - Jessica M Hearn
- Department of Chemistry, University of WarwickGibbet Hill Road, Coventry, CV4 7AL (UK)
- Warwick Systems Biology Centre, University of WarwickGibbet Hill Road, Coventry, CV4 7AL (UK)
| | - Abraha Habtemariam
- Department of Chemistry, University of WarwickGibbet Hill Road, Coventry, CV4 7AL (UK)
| | - Martin Wills
- Department of Chemistry, University of WarwickGibbet Hill Road, Coventry, CV4 7AL (UK)
| | - Peter J Sadler
- Department of Chemistry, University of WarwickGibbet Hill Road, Coventry, CV4 7AL (UK)
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50
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Wang H, Zeng X, Zhou R, Zhao C. A comparative DFT study on aquation and nucleobase binding of ruthenium (II) and osmium (II) arene complexes. J Mol Model 2013; 19:4849-56. [PMID: 24037457 DOI: 10.1007/s00894-013-1987-5] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/16/2013] [Accepted: 08/27/2013] [Indexed: 11/27/2022]
Abstract
The potential energy surfaces of the reactions of organometallic arene complexes of the type [(η (6)-arene)M(II)(pic)Cl] (where pic = 2-picolinic acid, M = Ru or Os) were examined by a DFT computational study. Among the seven density functional methods, hybrid exchange functional B3LYP outperforms the others to explain the aquation of the complexes. The reactions and binding energies of Ru(II) and Os(II) arene complexes with both 9EtG and 9EtA were studied to gain insight into the reactivity of these types of organometallic complexes with DNA. The obtained data rationalize experimental observation, contributing to partly understanding the potential biological and medical applications of organometallic complexes.
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Affiliation(s)
- Hanlu Wang
- College of Chemistry and Life Science, Guangdong University of Petrochemical Technology, Maoming, 525000, People's Republic of China,
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