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Guedes APM, Mello-Andrade F, Pires WC, de Sousa MAM, da Silva PFF, de Camargo MS, Gemeiner H, Amauri MA, Gomes Cardoso C, de Melo Reis PR, Silveira-Lacerda EDP, Batista AA. Heterobimetallic Ru(ii)/Fe(ii) complexes as potent anticancer agents against breast cancer cells, inducing apoptosis through multiple targets. Metallomics 2020; 12:547-561. [PMID: 32108850 DOI: 10.1039/c9mt00272c] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
Antimetastatic activity, high selectivity and cytotoxicity for human tumor cell lines make ruthenium(ii) complexes attractive for the development of new chemotherapeutic agents for cancer treatment. In this study, cytotoxic activities and the possible mechanism of cell death induced by three ruthenium complexes were evaluated, [Ru(MIm)(bipy)(dppf)]PF6 (1), [RuCl(Im)(bipy)(dppf)]PF6 (2) and [Ru(tzdt)(bipy)(dppf)]PF6 (3). The results showed high cytotoxicity and selectivity indexes for the human triple-negative breast tumor cell line (MDA-MB-231) with IC50 value and selectivity index for complex 1 (IC50 = 0.33 ± 0.03 μM, SI = 4.48), complex 2 (IC50 = 0.80 ± 0.06 μM, SI = 2.31) and complex 3 (IC50 = 0.48 ± 0.02 μM, SI = 3.87). The mechanism of cell death induced in MDA-MB-231 cells, after treatment with complexes 1-3, indicated apoptosis of the cells as a consequence of the increase in the percentage of cells in the Sub-G1 phase in the cell cycle analysis, characteristic morphological changes and the presence of apoptotic cells labeled with Annexin-V. Multiple targets of action were identified for complexes 1 and 3 with an induction of DNA damage in cells treated with complexes 1 and 3, mitochondrial depolarization with a reduction in mitochondrial membrane potential, an increase in reactive oxygen species levels and increased expression levels of caspase 3 and p53. In addition, antimetastatic activities for complexes 1 and 3 were observed by inhibition of cell migration by the wound healing assay and Boyden chamber assay, as well as inhibition of angiogenesis caused by MDA-MB-231 tumor cells in the CAM model.
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152
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Juszczak M, Kluska M, Wysokiński D, Woźniak K. Anti-cancer properties of ruthenium compounds: NAMI-A and KP1019. POSTEP HIG MED DOSW 2020. [DOI: 10.5604/01.3001.0013.8549] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
Cancer research is among the key challenges in current medicine and biology. Many decades of investigations have brought measurable benefits in both areas with regard to expanding the knowledge of the molecular mechanism of cancer and developing treatment strategies. Despite that cancers are still among diseases with the highest mortality rate, and cancer treatment is often unsuccessful and connected with severe side effects. The development of therapeutic strategies in both targeting the primary tumor origin and preventing metastasis is largely based on testing newly synthesized chemical agents, including a group of metal-containing complexes. It seems that ruthenium-containing complexes are of high potential in cancer therapy, and our work presents the current data about the application of ruthenium-based complexes − NAMI-A and KP1019 in cancer therapy.
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Affiliation(s)
- Michał Juszczak
- Katedra Genetyki Molekularnej, Wydział Biologii i Ochrony Środowiska, Uniwersytet Łódzki
| | - Magdalena Kluska
- Katedra Genetyki Molekularnej, Wydział Biologii i Ochrony Środowiska, Uniwersytet Łódzki
| | - Daniel Wysokiński
- Katedra Genetyki Molekularnej, Wydział Biologii i Ochrony Środowiska, Uniwersytet Łódzki
| | - Katarzyna Woźniak
- Katedra Genetyki Molekularnej, Wydział Biologii i Ochrony Środowiska, Uniwersytet Łódzki
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153
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Golbaghi G, Pitard I, Lucas M, Haghdoost MM, de Los Santos YL, Doucet N, Patten SA, Sanderson JT, Castonguay A. Synthesis and biological assessment of a ruthenium(II) cyclopentadienyl complex in breast cancer cells and on the development of zebrafish embryos. Eur J Med Chem 2020; 188:112030. [PMID: 31945643 PMCID: PMC7221417 DOI: 10.1016/j.ejmech.2019.112030] [Citation(s) in RCA: 27] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2019] [Revised: 12/17/2019] [Accepted: 12/30/2019] [Indexed: 12/31/2022]
Abstract
Ruthenium-based complexes currently attract great attention as they hold promise to replace platinum-based drugs as a first line cancer treatment. Whereas ruthenium arene complexes are some of the most studied species for their potential anticancer properties, other types of ruthenium complexes have been overlooked for this purpose. Here, we report the synthesis and characterization of Ru(II) cyclopentadienyl (Cp), Ru(II) cyclooctadienyl (COD) and Ru(III) complexes bearing anastrozole or letrozole ligands, third-generation aromatase inhibitors currently used for the treatment of estrogen receptor positive (ER +) breast cancer. Among these complexes, Ru(II)Cp 2 was the only one that displayed a high stability in DMSO and in cell culture media and consequently, the only complex for which the in vitro and in vivo biological activities were investigated. Unlike anastrozole alone, complex 2 was considerably cytotoxic in vitro (IC50 values < 1 μM) in human ER + breast cancer (T47D and MCF7), triple negative breast cancer (TNBC) (MBA-MB-231), and in adrenocortical carcinoma (H295R) cells. Theoretical (docking simulation) and experimental (aromatase catalytic activity) studies suggested that an interaction between 2 and the aromatase enzyme was not likely to occur and that the bulkiness of the PPh3 ligands could be an important factor preventing the complex to reach the active site of the enzyme. Exposure of zebrafish embryos to complex 2 at concentrations around its in vitro cytotoxicity IC50 value (0.1-1 μM) did not lead to noticeable signs of toxicity over 96 h, making it a suitable candidate for further in vivo investigations. This study confirms the potential of Ru(II)Cp complexes for breast cancer therapy, more specifically against TNBCs that are usually not responsive to currently used chemotherapeutic agents.
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Affiliation(s)
- Golara Golbaghi
- Organometallic Chemistry Laboratory for the Design of Catalysts and Therapeutics, and Endocrine Toxicology Laboratory, INRS-Centre Armand-Frappier Santé Biotechnologie, Université du Québec, Laval, Canada
| | - Irène Pitard
- Organometallic Chemistry Laboratory for the Design of Catalysts and Therapeutics, and Endocrine Toxicology Laboratory, INRS-Centre Armand-Frappier Santé Biotechnologie, Université du Québec, Laval, Canada
| | - Matthieu Lucas
- Organometallic Chemistry Laboratory for the Design of Catalysts and Therapeutics, and Endocrine Toxicology Laboratory, INRS-Centre Armand-Frappier Santé Biotechnologie, Université du Québec, Laval, Canada
| | - Mohammad Mehdi Haghdoost
- Organometallic Chemistry Laboratory for the Design of Catalysts and Therapeutics, and Endocrine Toxicology Laboratory, INRS-Centre Armand-Frappier Santé Biotechnologie, Université du Québec, Laval, Canada
| | - Yossef López de Los Santos
- Organometallic Chemistry Laboratory for the Design of Catalysts and Therapeutics, and Endocrine Toxicology Laboratory, INRS-Centre Armand-Frappier Santé Biotechnologie, Université du Québec, Laval, Canada
| | - Nicolas Doucet
- Organometallic Chemistry Laboratory for the Design of Catalysts and Therapeutics, and Endocrine Toxicology Laboratory, INRS-Centre Armand-Frappier Santé Biotechnologie, Université du Québec, Laval, Canada
| | - Shunmoogum A Patten
- Organometallic Chemistry Laboratory for the Design of Catalysts and Therapeutics, and Endocrine Toxicology Laboratory, INRS-Centre Armand-Frappier Santé Biotechnologie, Université du Québec, Laval, Canada
| | - J Thomas Sanderson
- Organometallic Chemistry Laboratory for the Design of Catalysts and Therapeutics, and Endocrine Toxicology Laboratory, INRS-Centre Armand-Frappier Santé Biotechnologie, Université du Québec, Laval, Canada
| | - Annie Castonguay
- Organometallic Chemistry Laboratory for the Design of Catalysts and Therapeutics, and Endocrine Toxicology Laboratory, INRS-Centre Armand-Frappier Santé Biotechnologie, Université du Québec, Laval, Canada.
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154
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Stanic-Vucinic D, Nikolic S, Vlajic K, Radomirovic M, Mihailovic J, Cirkovic Velickovic T, Grguric-Sipka S. The interactions of the ruthenium(II)-cymene complexes with lysozyme and cytochrome c. J Biol Inorg Chem 2020; 25:253-265. [PMID: 32020293 DOI: 10.1007/s00775-020-01758-3] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2019] [Accepted: 01/14/2020] [Indexed: 11/24/2022]
Abstract
The reactions of four cymene-capped ruthenium(II) compounds with pro-apoptotic protein, cytochrome c (Cyt), and anti-proliferative protein lysozyme (Ly) in carbonate buffer were investigated by ESI-MS, UV-vis absorption, and CD spectroscopy. The complexes with two chloride ligands (C2 and C3) were more reactive toward proteins than those with only one (C1 and C4), and the complex with S,N-chelating ligand (C4) was less reactive than one with O,N-chelating ligand (C1). Dehalogenated complexes are most likely species, initially coordinating proteins for all tested complexes. During the time, protein adducts vividly exchanged non-arene organic ligand L with CO32- and OH-, while cymene moiety was retained. In water, only dehalogenated adducts were identified suggesting that in vivo, in the presence of various anions, dynamic ligand exchange could generate different intermediate protein species. Although all complexes reduced Cyt, the reduction was not dependent on their reactivity to protein, implying that initially noncovalent binding to Cyt occurs, causing its reduction, followed by coordination to protein. Cyt reduction was accompanied with rupture of ferro-Met 80 and occupation of this hem coordination site by a histidine His-33/26. Therefore, in Cyt with C2 and C3, less intensive reduction of hem iron leaves more unoccupied target residues for Ru coordination, leading to more efficient formation of covalent adducts, in comparison to C1 and C4. This study contributes to development of new protein-targeted Ru(II) cymene complexes, and to the design of new cancer therapies based on targeted delivery of Ru(II) arene complexes bound on pro-apoptotic/anti-proliferative proteins as vehicles.
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Affiliation(s)
- Dragana Stanic-Vucinic
- Faculty of Chemistry, Center of Excellence for Molecular Food Sciences, Department of Biochemistry, University of Belgrade, Studentski trg 12-16, 11000, Belgrade, Serbia
| | - Stefan Nikolic
- Innovation Center of the Faculty of Chemistry, University of Belgrade, Studentski trg 12-16, 11000, Belgrade, Serbia
| | - Katarina Vlajic
- Faculty of Chemistry, Center of Excellence for Molecular Food Sciences, Department of Biochemistry, University of Belgrade, Studentski trg 12-16, 11000, Belgrade, Serbia
| | - Mirjana Radomirovic
- Faculty of Chemistry, Center of Excellence for Molecular Food Sciences, Department of Biochemistry, University of Belgrade, Studentski trg 12-16, 11000, Belgrade, Serbia
| | - Jelena Mihailovic
- Faculty of Chemistry, Center of Excellence for Molecular Food Sciences, Department of Biochemistry, University of Belgrade, Studentski trg 12-16, 11000, Belgrade, Serbia
| | - Tanja Cirkovic Velickovic
- Faculty of Chemistry, Center of Excellence for Molecular Food Sciences, Department of Biochemistry, University of Belgrade, Studentski trg 12-16, 11000, Belgrade, Serbia.,Ghent University Global Campus, 119 Songdomunhwa-Ro, Yeonsu-Gu, Incheon, 21985, Korea.,Faculty of Bioscience Engineering, Ghent University, Coupure Links 653, 9000, Ghent, Belgium.,Serbian Academy of Sciences and Arts, Knez Mihailova 35, 11000, Belgrade, Serbia
| | - Sanja Grguric-Sipka
- Faculty of Chemistry, Department of Inorganic Chemistry, University of Belgrade, Studentski trg 12-16, 11000, Belgrade, Serbia.
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155
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Aboura W, Batchelor LK, Garci A, Dyson PJ, Therrien B. Reactivity and biological activity of N,N,S-Schiff-base rhodium pentamethylcyclopentadienyl complexes. Inorganica Chim Acta 2020. [DOI: 10.1016/j.ica.2019.119265] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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156
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Mészáros JP, Geisler H, Poljarević JM, Roller A, Legina MS, Hejl M, Jakupec MA, Keppler BK, Kandioller W, Enyedy ÉA. Naphthoquinones of natural origin: Aqueous chemistry and coordination to half-sandwich organometallic cations. J Organomet Chem 2020. [DOI: 10.1016/j.jorganchem.2019.121070] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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157
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Tethering (Arene)Ru(II) Acylpyrazolones Decorated with Long Aliphatic Chains to Polystyrene Surfaces Provides Potent Antibacterial Plastics. MATERIALS 2020; 13:ma13030526. [PMID: 31978989 PMCID: PMC7040715 DOI: 10.3390/ma13030526] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/05/2019] [Revised: 01/17/2020] [Accepted: 01/19/2020] [Indexed: 11/16/2022]
Abstract
The acylpyrazolone proligands HQR (HQR in general, in detail: HQCy = 1-phenyl-3-methyl-4-carbonylcyclohexyl-5-pyrazolone, 4-C(O)-phenyl, HQPh = 1-phenyl-3-methyl-4-benzoyl-5-pyrazolone, HQC17 = 1-phenyl-3-methyl-4-stearoyl-5-pyrazolone, HQC17,Ph = 1-phenyl-3-stearyl-4-benzoyl-5-pyrazolone) were synthesized and reacted with (arene)Ru(II) acceptors affording complexes [(arene)Ru(QR)Cl] (arene = cymene (cym) or hexamethylbenzene (hmb)). The complexes were characterized by elemental analyses, thermogravimetric analysis-Differntial Thermal Analysis (TGA-DTA), IR spectroscopy, ESI-MS and 1H, and 13C NMR spectroscopy. Complexes [(arene)Ru(QR)Cl] where QR = QC17 and QC17,Ph, due to the long aliphatic chain in the ligand, afford nanometric dispersions in methanol via self-assembly into micellar aggregates of dimensions 50-200 nm. The antibacterial activity of the complexes was established against Escherichia coli and Staphylococcus aureus, those containing the ligands with a long aliphatic chain being the most effective. The complexes were immobilized on polystyrene by a simple procedure, and the resulting composite materials showed to be very effective against E. coli and S. aureus.
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158
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Richert M, Walczyk M, Cieślak MJ, Kaźmierczak-Barańska J, Królewska-Golińska K, Wrzeszcz G, Muzioł T, Biniak S. Synthesis, X-ray structure, physicochemical properties and anticancer activity of mer and fac Ru(iii) triphenylphosphine complexes with a benzothiazole derivative as a co-ligand. Dalton Trans 2020; 48:10689-10702. [PMID: 31241117 DOI: 10.1039/c9dt01803d] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
Two mononuclear ruthenium(iii) mer- and fac-isomers of the formula [RuCl3(PPh3)(dmpbt)] (where PPh3 = triphenylphosphine, dmpbt = 2-(3,5-dimethylpyrazoll-yl)benzothiazole) have been synthesised from the reaction of [RuCl3(PPh3)3] with a bidentate ligand - dmpbt. Appropriate reaction conditions allowed obtaining the two isomers separately without separation techniques. X-ray crystallography has determined the crystal and molecular structures of the new complexes. mer-Ru(iii) (1) crystallised in the monoclinic P2(1)/n group, and fac-Ru(iii) (2, 2') in the triclinic P1[combining macron] space group. The composition of the ruthenium coordination sphere was confirmed and characterised using spectroscopic techniques (FT-IR, UV-vis and EPR), elemental analysis and mass spectrometry (MS-FAB). The structures of the complexes obtained were analysed using X-ray and other spectroscopic methods (IR and UV-vis). The electrochemical properties of the ligand and the complex compound were identified using cyclic voltammetry, determining the potential and charge of faradaic processes. Both isomers are redox active and display quasi-reversible metal centered redox processes for the Ru(iii)/Ru(ii) pair. Moreover, preliminary tests of their biological activity were performed. The cytotoxicity of these compounds has been tested for human lung carcinoma (A549), chronic myelogenous leukemia (K562), human cervix carcinoma (HeLa) cells, acute lymphoblastic leukemia (MOLT-4), human breast adenocarcinoma cell line (MCF-7) and normal human umbilical vein endothelial cells (HUVEC). The ability to induce apoptosis has been demonstrated in caspase 3/7 activity assay. In addition, the lipophilicity of both isomers was described by a partition coefficient, log P, values of which were estimated by the shake-flask method. The interesting and promising preliminary results of the biological and chemical activities of the new octahedral mer/fac Ru(iii) complexes motivate further in vitro and in vivo studies.
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Affiliation(s)
- Monika Richert
- Faculty of Pharmacy, Collegium Medicum in Bydgoszcz, Nicolaus Copernicus University in Toruń, Jurasza 2, 85-094 Bydgoszcz, Poland.
| | - Mariusz Walczyk
- Faculty of Chemistry, Nicolaus Copernicus University in Toruń, Gagarina 7, 87-100 Toruń, Poland
| | - Marcin Janusz Cieślak
- Centre of Molecular and Macromolecular Studies, Polish Academy of Sciences, Sienkiewicza 112, 90-363 Lódź, Poland.
| | - Julia Kaźmierczak-Barańska
- Centre of Molecular and Macromolecular Studies, Polish Academy of Sciences, Sienkiewicza 112, 90-363 Lódź, Poland.
| | - Karolina Królewska-Golińska
- Centre of Molecular and Macromolecular Studies, Polish Academy of Sciences, Sienkiewicza 112, 90-363 Lódź, Poland.
| | - Grzegorz Wrzeszcz
- Faculty of Chemistry, Nicolaus Copernicus University in Toruń, Gagarina 7, 87-100 Toruń, Poland
| | - Tadeusz Muzioł
- Faculty of Chemistry, Nicolaus Copernicus University in Toruń, Gagarina 7, 87-100 Toruń, Poland
| | - Stanisław Biniak
- Faculty of Chemistry, Nicolaus Copernicus University in Toruń, Gagarina 7, 87-100 Toruń, Poland
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159
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Rationally Designed Ruthenium Complexes for Breast Cancer Therapy. Molecules 2020; 25:molecules25020265. [PMID: 31936496 PMCID: PMC7024301 DOI: 10.3390/molecules25020265] [Citation(s) in RCA: 49] [Impact Index Per Article: 12.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2019] [Revised: 12/31/2019] [Accepted: 01/01/2020] [Indexed: 12/11/2022] Open
Abstract
Since the discovery of the anticancer potential of ruthenium-based complexes, several species were reported as promising candidates for the treatment of breast cancer, which accounts for the greatest number of new cases in women every year worldwide. Among these ruthenium complexes, species containing bioactive ligand(s) have attracted increasing attention due to their potential multitargeting properties, leading to anticancer drug candidates with a broader range of cellular targets/modes of action. This review of the literature aims at providing an overview of the rationally designed ruthenium-based complexes that have been reported to date for which ligands were carefully selected for the treatment of hormone receptor positive breast cancers (estrogen receptor (ER+) or progesterone receptor (PR+)). In addition, this brief survey highlights some of the most successful examples of ruthenium complexes reported for the treatment of triple negative breast cancer (TNBC), a highly aggressive type of cancer, regardless of if their ligands are known to have the ability to achieve a specific biological function.
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160
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Welsh A, Rylands LI, Arion VB, Prince S, Smith GS. Synthesis and antiproliferative activity of benzimidazole-based, trinuclear neutral cyclometallated and cationic, N^N-chelated ruthenium(ii) complexes. Dalton Trans 2020; 49:1143-1156. [DOI: 10.1039/c9dt03902c] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
A series of 2-phenyl and 2-pyridyl tris-benzimidazole ligands was reacted with the [Ru(p-cymene)Cl2]2 dimer to yield the corresponding neutral cyclometallated and cationic trinuclear organoruthenium(ii) complexes.
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Affiliation(s)
- Athi Welsh
- Department of Chemistry
- University of Cape Town
- Cape Town
- South Africa
| | - Laa-iqa Rylands
- Department of Chemistry
- University of Cape Town
- Cape Town
- South Africa
| | - Vladimir B. Arion
- Institute of Inorganic Chemistry of the University of Vienna
- 1090 Vienna
- Austria
| | - Sharon Prince
- Department of Human Biology
- University of Cape Town
- Faculty of Health Science
- South Africa
| | - Gregory S. Smith
- Department of Chemistry
- University of Cape Town
- Cape Town
- South Africa
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161
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Savić A, Gligorijević N, Aranđelović S, Dojčinović B, Kaczmarek AM, Radulović S, Van Deun R, Van Hecke K. Antitumor activity of organoruthenium complexes with chelate aromatic ligands, derived from 1,10-phenantroline: Synthesis and biological activity. J Inorg Biochem 2020; 202:110869. [DOI: 10.1016/j.jinorgbio.2019.110869] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2019] [Revised: 09/16/2019] [Accepted: 09/24/2019] [Indexed: 02/08/2023]
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162
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Mondal A, Paira P. Hypoxia efficient and glutathione-resistant cytoselective ruthenium(ii)-p-cymene-arylimidazophenanthroline complexes: biomolecular interaction and live cell imaging. Dalton Trans 2020; 49:12865-12878. [DOI: 10.1039/d0dt02069a] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
Abstract
A series of ruthenium(ii)–arene-2-arylimidazophenanthroline based DNA targeting, cytoselective, hypoxia efficient and glutathione-resistant luminescent anticancer drugs have been developed which are also represented as HeLa cell imaging probes.
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Affiliation(s)
- Ashaparna Mondal
- Department of Chemistry
- School of advanced sciences
- Vellore Institute of Technology
- Vellore-632014
- India
| | - Priyankar Paira
- Department of Chemistry
- School of advanced sciences
- Vellore Institute of Technology
- Vellore-632014
- India
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163
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164
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Prasanth PA, Nantheeswaran P, Anbazhagan V, Senthilnathan R, Jothi A, Bhuvanesh NSP, Sannegowda LK, Mariappan M. The metal centre in salen-acridine dyad N2O2 ligand–metal complexes modulates DNA binding and photocleavage efficiency. NEW J CHEM 2020. [DOI: 10.1039/d0nj02035d] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/29/2023]
Abstract
Metal centre in a coordination complex modulates DNA binding.
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Affiliation(s)
| | | | - Veerappan Anbazhagan
- School of Chemical and Biotechnology
- SASTRA Deemed University
- Thirumalaisamudaram
- Thanjavur
- India
| | - Rajendran Senthilnathan
- School of Chemical and Biotechnology
- SASTRA Deemed University
- Thirumalaisamudaram
- Thanjavur
- India
| | - Arunachalam Jothi
- School of Chemical and Biotechnology
- SASTRA Deemed University
- Thirumalaisamudaram
- Thanjavur
- India
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165
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Malviya N, Sonkar C, Ganguly R, Bhattacherjee D, Bhabak KP, Mukhopadhyay S. Novel Approach to Generate a Self-Deliverable Ru(II)-Based Anticancer Agent in the Self-Reacting Confined Gel Space. ACS APPLIED MATERIALS & INTERFACES 2019; 11:47606-47618. [PMID: 31755256 DOI: 10.1021/acsami.9b17075] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
Finding the most effective method for cancer treatment is one of the thought-provoking tasks. Drug delivery by collapsing of metallogel to the cancer cell is an appealing way out. Cancer cells have an acidic environment due to excessive accumulation of lactic acid. In this work, the novel G5 gelator with a strategically free carboxylic acid arm has been designed and fabricated and characterized by several spectroscopic and microscopic techniques. These experiments suggest the formation of an ordered supramolecular gel with clover-leaf-like morphology. Mechanical properties from rheological measurements suggest the viscoelastic nature of the gel. Furthermore, we have obtained crystals of G5 from the pure dimethyl sulfoxide solution, whereas gelation gets induced by addition of water. This G5 gelator loses its gelation capability once the carboxylate is esterified by layering with methanol, which furnished the crystals of Me-G5' (G5' = G5-H). Further, the G5 gelator is used for the formation of ruthenium metallogel. Interestingly, we obtained the monomeric species [Ru(G5')(η6-p-cymene)Cl] [Ru(II)G5] only in confined gel space upon addition of a [Ru2(η6-p-cymene)2Cl4] dimer to G5. The Ru(II)G5 metallogel has an inherent anticancer property with an IC50 value of 10.53 μM for the A549 cancer cell line. Treatment of the Ru(II)G5 metallogel by lactic acid for mimicking the acidic environment of the malignant cell results in collapsing of the gel by releasing the ruthenium metal ion. This released ruthenium ion binds with the lactic acid derivative making the gelator G5 free and producing a new compound Ru(II)L, which has also shown the anticancer property. The molecular docking study revealed that the released G5 could interact with a monocarboxylate transporter to disrupt the lactate transport chain, which might induce apoptosis.
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Affiliation(s)
| | | | - Rakesh Ganguly
- Division of Chemistry and Biological Chemistry , Nanyang Technological University , 639798 Singapore
| | - Debojit Bhattacherjee
- Department of Chemistry , Indian Institute of Technology Guwahati , Guwahati 781039 , India
| | - Krishna Pada Bhabak
- Department of Chemistry , Indian Institute of Technology Guwahati , Guwahati 781039 , India
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166
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Fernandes AC. Synthesis, Biological Activity and Medicinal Applications of Ruthenium Complexes Containing Carbohydrate Ligands. Curr Med Chem 2019; 26:6412-6437. [DOI: 10.2174/0929867326666190124124350] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2018] [Revised: 10/15/2018] [Accepted: 12/11/2018] [Indexed: 12/24/2022]
Abstract
The search for new metal-efficient drugs has attracted considerable attention of the
scientific community. Among them, ruthenium complexes have emerged as an excellent alternative
of platinum complexes. This review presents a thorough and timely coverage of the synthesis,
biological activity and medicinal applications of ruthenium complexes bearing carbohydrate ligands,
allowing a large community of readers, in particularly the community that works in organic,
inorganic, bioorganometallic and medicinal chemistry, ready access to the most relevant examples.
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Affiliation(s)
- Ana Cristina Fernandes
- Centro de Química Estrutural, Instituto Superior Técnico, Universidade de Lisboa, Av. Rovisco Pais, 1049- 001 Lisboa, Portugal
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Gomes LMF, Bataglioli JC, Jussila AJ, Smith JR, Walsby CJ, Storr T. Modification of Aβ Peptide Aggregation via Covalent Binding of a Series of Ru(III) Complexes. Front Chem 2019; 7:838. [PMID: 31921764 PMCID: PMC6915085 DOI: 10.3389/fchem.2019.00838] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/03/2019] [Accepted: 11/18/2019] [Indexed: 12/31/2022] Open
Abstract
Alzheimer's disease (AD) is the most common form of dementia, leading to loss of cognition, and eventually death. The disease is characterized by the formation of extracellular aggregates of the amyloid-beta (Aβ) peptide and neurofibrillary tangles of tau protein inside cells, and oxidative stress. In this study, we investigate a series of Ru(III) complexes (Ru-N) derived from NAMI-A in which the imidazole ligand has been substituted for pyridine derivatives, as potential therapeutics for AD. The ability of the Ru-N series to bind to Aβ was evaluated by NMR and ESI-MS, and their influence on the Aβ peptide aggregation process was investigated via electrophoresis gel/western blot, TEM, turbidity, and Bradford assays. The complexes were shown to bind covalently to the Aβ peptide, likely via a His residue. Upon binding, the complexes promote the formation of soluble high molecular weight aggregates, in comparison to peptide precipitation for peptide alone. In addition, TEM analysis supports both amorphous and fibrillar aggregate morphology for Ru-N treatments, while only large amorphous aggregates are observed for peptide alone. Overall, our results show that the Ru-N complexes modulate Aβ peptide aggregation, however, the change in the size of the pyridine ligand does not substantially alter the Aβ aggregation process.
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Affiliation(s)
- Luiza M F Gomes
- Department of Chemistry, Simon Fraser University, Burnaby, BC, Canada
| | | | - Allison J Jussila
- Department of Chemistry, Simon Fraser University, Burnaby, BC, Canada
| | - Jason R Smith
- Department of Chemistry, Simon Fraser University, Burnaby, BC, Canada
| | - Charles J Walsby
- Department of Chemistry, Simon Fraser University, Burnaby, BC, Canada
| | - Tim Storr
- Department of Chemistry, Simon Fraser University, Burnaby, BC, Canada
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168
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Jain A. Multifunctional, heterometallic ruthenium-platinum complexes with medicinal applications. Coord Chem Rev 2019. [DOI: 10.1016/j.ccr.2019.213067] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
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169
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Mono- and binuclear Ru(II) arene complexes with (fluoro substituted) picolinic acid: Synthesis, characterization and cytotoxicity. J Organomet Chem 2019. [DOI: 10.1016/j.jorganchem.2019.120966] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/20/2023]
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170
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Lamač M, Horáček M, Červenková Šťastná L, Karban J, Sommerová L, Skoupilová H, Hrstka R, Pinkas J. Harmless glucose‐modified ruthenium complexes suppressing cell migration of highly invasive cancer cell lines. Appl Organomet Chem 2019. [DOI: 10.1002/aoc.5318] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Affiliation(s)
- Martin Lamač
- Academy of Sciences of the Czech RepublicJ. Heyrovský Institute of Physical Chemistry v.v.i., Dolejškova 2155/3, 182 23 Prague Czech Republic
| | - Michal Horáček
- Academy of Sciences of the Czech RepublicJ. Heyrovský Institute of Physical Chemistry v.v.i., Dolejškova 2155/3, 182 23 Prague Czech Republic
| | - Lucie Červenková Šťastná
- Academy of Sciences of the Czech RepublicInstitute of Chemical Process Fundamentals v.v.i., Rozvojová 135, 165 02 Prague Czech Republic
| | - Jindřich Karban
- Academy of Sciences of the Czech RepublicInstitute of Chemical Process Fundamentals v.v.i., Rozvojová 135, 165 02 Prague Czech Republic
| | - Lucia Sommerová
- Regional Centre for Applied and Molecular OncologyMasaryk Memorial Cancer Institute Žlutý kopec 7 Brno Czech Republic
| | - Hana Skoupilová
- Regional Centre for Applied and Molecular OncologyMasaryk Memorial Cancer Institute Žlutý kopec 7 Brno Czech Republic
| | - Roman Hrstka
- Regional Centre for Applied and Molecular OncologyMasaryk Memorial Cancer Institute Žlutý kopec 7 Brno Czech Republic
| | - Jiří Pinkas
- Academy of Sciences of the Czech RepublicJ. Heyrovský Institute of Physical Chemistry v.v.i., Dolejškova 2155/3, 182 23 Prague Czech Republic
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171
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Koch V, Meschkov A, Feuerstein W, Pfeifer J, Fuhr O, Nieger M, Schepers U, Bräse S. Synthesis, Characterization, and Biological Properties of Steroidal Ruthenium(II) and Iridium(III) Complexes Based on the Androst-16-en-3-ol Framework. Inorg Chem 2019; 58:15917-15926. [DOI: 10.1021/acs.inorgchem.9b02402] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Vanessa Koch
- Institute of Organic Chemistry (IOC), Karlsruhe Institute of Technology (KIT), Fritz-Haber-Weg 6, 76131 Karlsruhe, Germany
| | - Anna Meschkov
- Institute of Organic Chemistry (IOC), Karlsruhe Institute of Technology (KIT), Fritz-Haber-Weg 6, 76131 Karlsruhe, Germany
- Institute of Functional Interfaces (IFG), Karlsruhe Institute of Technology (KIT), Hermann von Helmholtz Platz 1, 76344 Eggenstein-Leopoldshafen, Germany
| | - Wolfram Feuerstein
- Institute of Inorganic Chemistry, Division Molecular Chemistry, Karlsruhe Institute of Technology (KIT), Engesserstr. 15, 76131 Karlsruhe, Germany
| | - Juliana Pfeifer
- Institute of Functional Interfaces (IFG), Karlsruhe Institute of Technology (KIT), Hermann von Helmholtz Platz 1, 76344 Eggenstein-Leopoldshafen, Germany
| | - Olaf Fuhr
- Institute for Nanotechnology (INT) and Karlsruhe Nano Micro Facility (KNMF), Karlsruhe Institute of Technology (KIT), Hermann von Helmholtz Platz 1, 76344 Eggenstein-Leopoldshafen, Germany
| | - Martin Nieger
- Department of Chemistry, University of Helsinki, P.O. Box 55, 00014 Helsinki, Finland
| | - Ute Schepers
- Institute of Organic Chemistry (IOC), Karlsruhe Institute of Technology (KIT), Fritz-Haber-Weg 6, 76131 Karlsruhe, Germany
- Institute of Functional Interfaces (IFG), Karlsruhe Institute of Technology (KIT), Hermann von Helmholtz Platz 1, 76344 Eggenstein-Leopoldshafen, Germany
| | - Stefan Bräse
- Institute of Organic Chemistry (IOC), Karlsruhe Institute of Technology (KIT), Fritz-Haber-Weg 6, 76131 Karlsruhe, Germany
- Institute of Toxicology and Genetics, Karlsruhe Institute of Technology (KIT), Hermann-von-Helmholtz-Platz 1, D-76344 Eggenstein-Leopoldshafen, Germany
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Heterobimetallic Ru(μ-dppm)Fe and homobimetallic Ru(μ-dppm)Ru complexes as potential anti-cancer agents. J Organomet Chem 2019. [DOI: 10.1016/j.jorganchem.2019.120934] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
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173
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Chemistry and reactivity of ruthenium(II) complexes: DNA/protein binding mode and anticancer activity are related to the complex structure. Coord Chem Rev 2019. [DOI: 10.1016/j.ccr.2019.07.008] [Citation(s) in RCA: 74] [Impact Index Per Article: 14.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
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174
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Srivastava P, Mishra R, Verma M, Sivakumar S, Patra AK. Cytotoxic ruthenium(II) polypyridyl complexes with naproxen as NSAID: Synthesis, biological interactions and antioxidant activity. Polyhedron 2019. [DOI: 10.1016/j.poly.2019.04.009] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
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175
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Biancalana L, Gruchała M, Batchelor LK, Błauż A, Monti A, Pampaloni G, Rychlik B, Dyson PJ, Marchetti F. Conjugating Biotin to Ruthenium(II) Arene Units via Phosphine Ligand Functionalization. Eur J Inorg Chem 2019. [DOI: 10.1002/ejic.201900922] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Affiliation(s)
- Lorenzo Biancalana
- Dipartimento di Chimica e Chimica Industriale Università di Pisa Via G. Moruzzi 13 56124 Pisa Italy
| | - Martyna Gruchała
- Cytometry Lab Department of Molecular Biophysics University of Łódź ul. Pomorska 141/143 90‐236 Łódź Poland
| | - Lucinda K. Batchelor
- Institut des Sciences et Ingénierie Chimiques Ecole Polytechnique Fédérale de Lausanne (EPFL) 1015 Lausanne Switzerland
| | - Andrzej Błauż
- Cytometry Lab Department of Molecular Biophysics University of Łódź ul. Pomorska 141/143 90‐236 Łódź Poland
| | - Andrea Monti
- Dipartimento di Chimica e Chimica Industriale Università di Pisa Via G. Moruzzi 13 56124 Pisa Italy
| | - Guido Pampaloni
- Dipartimento di Chimica e Chimica Industriale Università di Pisa Via G. Moruzzi 13 56124 Pisa Italy
| | - Błażej Rychlik
- Cytometry Lab Department of Molecular Biophysics University of Łódź ul. Pomorska 141/143 90‐236 Łódź Poland
| | - Paul J. Dyson
- Institut des Sciences et Ingénierie Chimiques Ecole Polytechnique Fédérale de Lausanne (EPFL) 1015 Lausanne Switzerland
| | - Fabio Marchetti
- Dipartimento di Chimica e Chimica Industriale Università di Pisa Via G. Moruzzi 13 56124 Pisa Italy
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176
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Heterobinuclear copper(II)‑platinum(II) complexes with oxindolimine ligands: Interactions with DNA, and inhibition of kinase and alkaline phosphatase proteins. J Inorg Biochem 2019; 203:110863. [PMID: 31683126 DOI: 10.1016/j.jinorgbio.2019.110863] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/01/2019] [Revised: 09/12/2019] [Accepted: 09/14/2019] [Indexed: 01/22/2023]
Abstract
Two mononuclear copper(II) compounds, [Cu(isad)(H2O)Cl]Cl 1 and [Cu(isah)(H2O)Cl]Cl 2, and its corresponding heterobinuclear species containing also platinum(II), [CuCl(isad)Pt(NH3)Cl2] 3 and [CuCl(isah)Pt(NH3)Cl2] 4 (where isad and isah are oxindolimine ligands, (E)-3-(2-(3-aminopropylamino)ethylimino)indolin-2-one, and (E)-3-(3-amino-2-hydroxypropylimino)indolin-2-one, respectively), have been previously synthesized and characterized by different spectroscopic techniques in our laboratory. Cytotoxicity assays performed with B16F10 murine cancer cells, and MES-SA human uterine sarcoma cells, showed IC50 values lower or in the same order of cisplatin. Herein, in order to better elucidate their probable modes of action, possible interaction and damage to DNA, as well as their effect on the activity of crucial proteins were verified. Both mononuclear complexes and the binuclear compound 4 displayed a significant cleavage activity toward plasmid DNA, while compound 3 tends to protect DNA from oxidative damage, avoiding degradation. Complementary experiments indicated a significant inhibition activity toward cyclin-dependent kinase (CDK1/cyclinB) activity in the phosphorylation of histone H1, and only moderate inhibition concerning alkaline phosphatase. Results also revealed that the reactivity is reliant on the ligand structure and on the nature of the metal present, in a synergistic effect. Simulation studies complemented and supported our results, indicating different bindings of the binuclear compounds to DNA. Therefore, the verified cytotoxicity of these complexes comprises multiple modes of action, including modification of DNA conformation, scission of DNA strands by reactive oxygen species, and inhibition of selected proteins that are crucial to the cellular cycle.
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177
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Zheng S, Yuan S, Hou Z, Li G, Chen Y, Pan Y, Liu Y, Huang G. Charge-dependent modulation of specific and nonspecific protein-metal ion interactions in nanoelectrospray ionization mass spectrometry. RAPID COMMUNICATIONS IN MASS SPECTROMETRY : RCM 2019; 33:1502-1511. [PMID: 31151135 DOI: 10.1002/rcm.8493] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/30/2019] [Revised: 05/21/2019] [Accepted: 05/22/2019] [Indexed: 06/09/2023]
Abstract
RATIONALE Previous studies found that charge state could affect both specific and nonspecific binding of protein-metal ion interactions in nanoelectrospray ionization mass spectrometry (nESI-MS). However, the two kinds of interactions have been studied individually in spite of the problem that they often coexist in the same system. Thus, it is necessary to study the effects of charge state on specific and nonspecific protein-metal ion interactions in one system to reveal more accurate binding state. METHODS The HIV-1 nucleocapsid protein (NCp7(31-55)) which can bind specifically and nonspecifically to Zn2+ served as the model to show the charge-dependent protein-metal ion interactions. Hydrogen/deuterium exchange (HDX) and photodissociation (PD) were used to demonstrate that specific binding state was correlated with protein structure. In addition to NCp7(31-55), three other model proteins were used to investigate the reason for the charge-dependent nonspecific binding. RESULTS For specific binding, we proposed that protein ions with different charge states had different conformations. The HDX results showed that labile protons in the NCp7(31-55)-Zn complex were exchanged in a charge-state-dependent way. The PD experiments revealed differential fragment yields for different charge states. For nonspecific binding, higher charge states had more Zn2+ additions, but less SO4 2- additions. The effects of charge states on nonspecific binding levels were entirely the opposite for Zn2+ and SO4 2- . These results could reveal that the nonspecific binding was caused by electrostatic interaction. CONCLUSIONS For specific binding, NCp7(31-55) with lower charge states have folding and undenatured structures. The binding states of lower charge states can better reflect more native binding states. For nonspecific binding, when multiple metal ions adduct to proteins, the proteins have more net positive charges, which tend to generate higher charge ions during electrospray.
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Affiliation(s)
- Shihui Zheng
- Department of Chemistry, School of Chemistry and Materials Science, University of Science and Technology of China, Hefei, Anhui, 230026, P. R. China
| | - Siming Yuan
- Department of Chemistry, School of Chemistry and Materials Science, University of Science and Technology of China, Hefei, Anhui, 230026, P. R. China
| | - Zhuanghao Hou
- Department of Chemistry, School of Chemistry and Materials Science, University of Science and Technology of China, Hefei, Anhui, 230026, P. R. China
| | - Gongyu Li
- Department of Chemistry, School of Chemistry and Materials Science, University of Science and Technology of China, Hefei, Anhui, 230026, P. R. China
| | - Yuting Chen
- Department of Chemistry, School of Chemistry and Materials Science, University of Science and Technology of China, Hefei, Anhui, 230026, P. R. China
| | - Yang Pan
- National Synchrotron Radiation Laboratory, University of Science and Technology of China, Hefei, Anhui, 230029, P. R. China
| | - Yangzhong Liu
- Department of Chemistry, School of Chemistry and Materials Science, University of Science and Technology of China, Hefei, Anhui, 230026, P. R. China
| | - Guangming Huang
- Department of Chemistry, School of Chemistry and Materials Science, University of Science and Technology of China, Hefei, Anhui, 230026, P. R. China
- National Synchrotron Radiation Laboratory, University of Science and Technology of China, Hefei, Anhui, 230029, P. R. China
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178
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Khanvilkar P, Pulipaka R, Shirsath K, Devkar R, Chakraborty D. Binuclear ruthenium(II) complexes of 4,4′-azopyridine bridging ligand as anticancer agents: synthesis, characterization, and in vitro cytotoxicity studies. J COORD CHEM 2019. [DOI: 10.1080/00958972.2019.1672049] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
Affiliation(s)
- Priyanka Khanvilkar
- Department of Chemistry, The Maharaja Sayajirao University of Baroda, Vadodara, India
| | - Ramadevi Pulipaka
- Department of Chemistry, The Maharaja Sayajirao University of Baroda, Vadodara, India
| | - Kavita Shirsath
- Department of Zoology, The Maharaja Sayajirao University of Baroda, Vadodara, India
| | - Ranjitsinh Devkar
- Department of Zoology, The Maharaja Sayajirao University of Baroda, Vadodara, India
| | - Debjani Chakraborty
- Department of Zoology, The Maharaja Sayajirao University of Baroda, Vadodara, India
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Hajji L, Saraiba-Bello C, Segovia-Torrente G, Scalambra F, Romerosa A. CpRu Complexes Containing Water Soluble Phosphane PTA and Natural Purines Adenine, Guanine and Theophylline: Synthesis, Characterization, and Antiproliferative Properties. Eur J Inorg Chem 2019. [DOI: 10.1002/ejic.201900677] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Lazhar Hajji
- Área de Química Inorgánica-CIESOL; Universidad de Almería; Carretera Sacramento s/n 40120 Almería Spain
| | - Cristobal Saraiba-Bello
- Área de Química Inorgánica-CIESOL; Universidad de Almería; Carretera Sacramento s/n 40120 Almería Spain
| | - Gaspar Segovia-Torrente
- Área de Química Inorgánica-CIESOL; Universidad de Almería; Carretera Sacramento s/n 40120 Almería Spain
| | - Franco Scalambra
- Área de Química Inorgánica-CIESOL; Universidad de Almería; Carretera Sacramento s/n 40120 Almería Spain
| | - Antonio Romerosa
- Área de Química Inorgánica-CIESOL; Universidad de Almería; Carretera Sacramento s/n 40120 Almería Spain
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181
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Kumar P, Swagatika S, Dasari S, Tomar RS, Patra AK. Modulation of ruthenium anticancer drugs analogs with tolfenamic acid: Reactivity, biological interactions and growth inhibition of yeast cell. J Inorg Biochem 2019; 199:110769. [DOI: 10.1016/j.jinorgbio.2019.110769] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/08/2019] [Revised: 07/05/2019] [Accepted: 07/10/2019] [Indexed: 12/13/2022]
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182
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Riccardi C, Musumeci D, Trifuoggi M, Irace C, Paduano L, Montesarchio D. Anticancer Ruthenium(III) Complexes and Ru(III)-Containing Nanoformulations: An Update on the Mechanism of Action and Biological Activity. Pharmaceuticals (Basel) 2019; 12:E146. [PMID: 31561546 PMCID: PMC6958509 DOI: 10.3390/ph12040146] [Citation(s) in RCA: 39] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2019] [Revised: 09/22/2019] [Accepted: 09/23/2019] [Indexed: 12/15/2022] Open
Abstract
The great advances in the studies on metal complexes for the treatment of different cancer forms, starting from the pioneering works on platinum derivatives, have fostered an increasingly growing interest in their properties and biomedical applications. Among the various metal-containing drugs investigated thus far, ruthenium(III) complexes have emerged for their selective cytotoxic activity in vitro and promising anticancer properties in vivo, also leading to a few candidates in advanced clinical trials. Aiming at addressing the solubility, stability and cellular uptake issues of low molecular weight Ru(III)-based compounds, some research groups have proposed the development of suitable drug delivery systems (e.g., taking advantage of nanoparticles, liposomes, etc.) able to enhance their activity compared to the naked drugs. This review highlights the unique role of Ru(III) complexes in the current panorama of anticancer agents, with particular emphasis on Ru-containing nanoformulations based on the incorporation of the Ru(III) complexes into suitable nanocarriers in order to enhance their bioavailability and pharmacokinetic properties. Preclinical evaluation of these nanoaggregates is discussed with a special focus on the investigation of their mechanism of action at a molecular level, highlighting their pharmacological potential in tumour disease models and value for biomedical applications.
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Affiliation(s)
- Claudia Riccardi
- Department of Chemical Sciences, University of Naples Federico II, Via Cintia 21, I-80126 Naples, Italy.
| | - Domenica Musumeci
- Department of Chemical Sciences, University of Naples Federico II, Via Cintia 21, I-80126 Naples, Italy.
| | - Marco Trifuoggi
- Department of Chemical Sciences, University of Naples Federico II, Via Cintia 21, I-80126 Naples, Italy.
| | - Carlo Irace
- Department of Pharmacy, University of Naples Federico II, Via D. Montesano 49, I-80131 Naples, Italy.
| | - Luigi Paduano
- Department of Chemical Sciences, University of Naples Federico II, Via Cintia 21, I-80126 Naples, Italy.
| | - Daniela Montesarchio
- Department of Chemical Sciences, University of Naples Federico II, Via Cintia 21, I-80126 Naples, Italy.
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183
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Sarkar A, Acharya S, Khushvant K, Purkait K, Mukherjee A. Cytotoxic Ru II-p-cymene complexes of an anthraimidazoledione: halide dependent solution stability, reactivity and resistance to hypoxia deactivation. Dalton Trans 2019; 48:7187-7197. [PMID: 30601545 DOI: 10.1039/c8dt04687e] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
RuII-(η6-p-cymene) complexes of anthraimidazoldione (PAIDH) based ligand bearing the formula [RuII(η6-p-cymene)(PAIDH)(X)]+ (where, X = Cl, Br and I) showed excellent in vitro antiproliferative activity (IC50 range 1-2 μM) against hepatocellular carcinoma (HepG2), human pancreatic carcinoma (MIA PaCa-2) and triple negative human metastatic breast adenocarcinoma (MDA-MB-231). The ESI-MS and 1H NMR data show that the complexes are stable in aqueous solution at pH 7.4 (4 mM NaCl) with less than 10% hydrolysis in 24 h. However, when the coordinated halide is bromo (2) or iodo (3), the complex exchanges the halide with chloride in solution. The exchange is dependent on chloride concentration. Fastest chloride exchange was observed for the bromo complex 2 and slowest for the iodo complex 3 showing the higher kinetic inertness of the latter. Complex 3 exhibits the weakest interaction with glutathione (GSH) and 9-ethylguanine (9-EtG) in the series. ESI-MS studies of a 20% methanolic solution of 3 in 4 mM aqueous NaCl showed 80% intact complex even after 24 h of incubation with 9-EtG or GSH. 1-3 show similar in vitro cytotoxicity profile, but based on combined results from solution stability and cytotoxicity, the iodo complex 3 seems to be the best one in the series. There is no deterioration of toxicity under hypoxia or by induction of GSH in HepG2 cells. The low cytotoxicity of the complexes against difficult to treat triple negative breast carcinoma viz. MDA-MB-231 in vitro (IC50 = 1.5 ± 0.1 μM) is very encouraging, compared with cytotoxicity of clinical drug cisplatin (IC50 = 37.2 ± 2.5 μM). The complexes can alter mitochondrial membrane potential, arrest the cell cycle in G0/G1 phase and kill cells via apoptosis. They inhibit migration of the metastatic MDA-MB-231 cells at IC20 dose.
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Affiliation(s)
- Amrita Sarkar
- Department of Chemical Sciences, Indian Institute of Science Education and Research Kolkata, Mohanpur campus-741246, India.
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185
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Cirri D, Fabbrini MG, Pratesi A, Ciofi L, Massai L, Marzo T, Messori L. The leading established metal-based drugs: a revisitation of their relevant physico-chemical data. Biometals 2019; 32:813-817. [DOI: 10.1007/s10534-019-00210-7] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/13/2019] [Accepted: 08/27/2019] [Indexed: 01/07/2023]
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186
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Rocco D, Batchelor LK, Agonigi G, Braccini S, Chiellini F, Schoch S, Biver T, Funaioli T, Zacchini S, Biancalana L, Ruggeri M, Pampaloni G, Dyson PJ, Marchetti F. Anticancer Potential of Diiron Vinyliminium Complexes. Chemistry 2019; 25:14801-14816. [PMID: 31441186 DOI: 10.1002/chem.201902885] [Citation(s) in RCA: 29] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/24/2019] [Revised: 07/20/2019] [Indexed: 11/08/2022]
Abstract
Although ferrocene derivatives have attracted considerable attention as possible anticancer agents, the medicinal potential of diiron complexes has remained largely unexplored. Herein, we describe the straightforward multigram-scale synthesis and the antiproliferative activity of a series of diiron cyclopentadienyl complexes containing bridging vinyliminium ligands. IC50 values in the low-to-mid micromolar range were determined against cisplatin sensitive and resistant human ovarian carcinoma (A2780 and A2780cisR) cell lines. Notable selectivity towards the cancerous cells lines compared to the non-tumoral human embryonic kidney (HEK-293) cell line was observed for selected compounds. The activity seems to be multimodal, involving reactive oxygen species (ROS) generation and, in some cases, a fragmentation process to afford monoiron derivatives. The large structural variability, amphiphilic character and good stability in aqueous media of the diiron vinyliminium complexes provide favorable properties compared to other widely studied classes of iron-based anticancer candidates.
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Affiliation(s)
- Dalila Rocco
- Dipartimento di Chimica e Chimica Industriale, Università di Pisa, Via G. Moruzzi 13, 56124, Pisa, Italy
| | - Lucinda K Batchelor
- Institut des Sciences et Ingénierie Chimiques, Ecole Polytechnique Fédérale de Lausanne (EPFL), 1015, Lausanne, Switzerland
| | - Gabriele Agonigi
- Dipartimento di Chimica e Chimica Industriale, Università di Pisa, Via G. Moruzzi 13, 56124, Pisa, Italy
| | - Simona Braccini
- Dipartimento di Chimica e Chimica Industriale, Università di Pisa, Via G. Moruzzi 13, 56124, Pisa, Italy
| | - Federica Chiellini
- Dipartimento di Chimica e Chimica Industriale, Università di Pisa, Via G. Moruzzi 13, 56124, Pisa, Italy
| | - Silvia Schoch
- Dipartimento di Chimica e Chimica Industriale, Università di Pisa, Via G. Moruzzi 13, 56124, Pisa, Italy
| | - Tarita Biver
- Dipartimento di Farmacia, Università di Pisa, Via Bonanno 6, 56126, Pisa, Italy
| | - Tiziana Funaioli
- Dipartimento di Chimica e Chimica Industriale, Università di Pisa, Via G. Moruzzi 13, 56124, Pisa, Italy
| | - Stefano Zacchini
- Dipartimento di Chimica Industriale "Toso Montanari", Università di Bologna, Viale Risorgimento 4, 40136, Bologna, Italy
| | - Lorenzo Biancalana
- Dipartimento di Chimica e Chimica Industriale, Università di Pisa, Via G. Moruzzi 13, 56124, Pisa, Italy
| | - Marina Ruggeri
- Dipartimento di Chimica e Chimica Industriale, Università di Pisa, Via G. Moruzzi 13, 56124, Pisa, Italy
| | - Guido Pampaloni
- Dipartimento di Chimica e Chimica Industriale, Università di Pisa, Via G. Moruzzi 13, 56124, Pisa, Italy
| | - Paul J Dyson
- Institut des Sciences et Ingénierie Chimiques, Ecole Polytechnique Fédérale de Lausanne (EPFL), 1015, Lausanne, Switzerland
| | - Fabio Marchetti
- Dipartimento di Chimica e Chimica Industriale, Università di Pisa, Via G. Moruzzi 13, 56124, Pisa, Italy
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187
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Nunes CJ, Otake AH, Bustos SO, Fazzi RB, Chammas R, Da Costa Ferreira AM. Unlike reactivity of mono- and binuclear imine-copper(II) complexes toward melanoma cells via a tyrosinase-dependent mechanism. Chem Biol Interact 2019; 311:108789. [PMID: 31401089 DOI: 10.1016/j.cbi.2019.108789] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/07/2019] [Revised: 07/24/2019] [Accepted: 08/07/2019] [Indexed: 01/03/2023]
Abstract
The cytotoxicity of a dinuclear imine-copper (II) complex 2, and its analogous mononuclear complex 1, toward different melanoma cells, particularly human SKMEL-05 and SKMEL-147, was investigated. Complex 2, a tyrosinase mimic, showed much higher activity in comparison to complex 1, and its reactivity was verified to be remarkably activated by UVB-light, while the mononuclear compound showed a small or negligible effect. Further, a significant dependence on the melanin content in the tumor cells, both from intrinsic pigmentation or stimulated by irradiation, was observed in the case of complex 2. Similar tests with keratinocytes and melanocytes indicated a much lower sensitivity to both copper (II) complexes, even after exposition to UV light. Clonogenic assays attested that the fractions of melanoma cells survival were much lower under treatment with complex 2 compared to complex 1, both with or without previous irradiation of the cells. The process also involves generation of reactive oxygen species (ROS), as verified by EPR spectroscopy, and by using fluorescence indicators. Autophagic assays indicated a remarkable formation of cytoplasmic vacuoles in melanomas treated with complex 2, while this effect was not observed in similar treatment with complex 1. Monitoring of specific protein LC3 corroborated the simultaneous occurrence of autophagy. A balance interplay between different modes of cell death, apoptosis and autophagy, occurs when melanomas were treated with the dinuclear complex 2, in contrast to the mononuclear complex 1. These results pointed out to different mechanisms of action of such complexes, depending on its nuclearity.
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Affiliation(s)
- Cléia Justino Nunes
- Departamento de Química Fundamental, Instituto de Química, Universidade de São Paulo, São Paulo, 05508-000, SP, Brazil
| | - Andréia Hanada Otake
- Instituto do Câncer do Estado de São Paulo (ICESP), Faculdade de Medicina, Universidade de São Paulo, São Paulo, 01246-000, SP, Brazil
| | - Silvina Odete Bustos
- Instituto do Câncer do Estado de São Paulo (ICESP), Faculdade de Medicina, Universidade de São Paulo, São Paulo, 01246-000, SP, Brazil
| | - Rodrigo Boni Fazzi
- Departamento de Química Fundamental, Instituto de Química, Universidade de São Paulo, São Paulo, 05508-000, SP, Brazil
| | - Roger Chammas
- Instituto do Câncer do Estado de São Paulo (ICESP), Faculdade de Medicina, Universidade de São Paulo, São Paulo, 01246-000, SP, Brazil
| | - Ana Maria Da Costa Ferreira
- Departamento de Química Fundamental, Instituto de Química, Universidade de São Paulo, São Paulo, 05508-000, SP, Brazil.
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188
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Štarha P, Trávníček Z. Azaindoles: Suitable ligands of cytotoxic transition metal complexes. J Inorg Biochem 2019; 197:110695. [DOI: 10.1016/j.jinorgbio.2019.110695] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2019] [Revised: 04/10/2019] [Accepted: 04/21/2019] [Indexed: 12/28/2022]
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189
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van Niekerk A, Chellan P, Mapolie SF. Heterometallic Multinuclear Complexes as Anti-Cancer Agents-An Overview of Recent Developments. Eur J Inorg Chem 2019. [DOI: 10.1002/ejic.201900375] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Affiliation(s)
- Annick van Niekerk
- Department of Chemistry and Polymer Science; Stellenbosch University; Private bag X1, Matieland 7602 Stellenbosch South Africa
| | - Prinessa Chellan
- Department of Chemistry and Polymer Science; Stellenbosch University; Private bag X1, Matieland 7602 Stellenbosch South Africa
| | - Selwyn F. Mapolie
- Department of Chemistry and Polymer Science; Stellenbosch University; Private bag X1, Matieland 7602 Stellenbosch South Africa
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190
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Silva SLR, Baliza IRS, Dias RB, Sales CBS, Rocha CAG, Soares MBP, Correa RS, Batista AA, Bezerra DP. Ru(II)-thymine complex causes DNA damage and apoptotic cell death in human colon carcinoma HCT116 cells mediated by JNK/p38/ERK1/2 via a p53-independent signaling. Sci Rep 2019; 9:11094. [PMID: 31366902 PMCID: PMC6668648 DOI: 10.1038/s41598-019-47539-0] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2019] [Accepted: 07/19/2019] [Indexed: 12/19/2022] Open
Abstract
Ru(II)-thymine complex [Ru(PPh3)2(Thy)(bipy)]PF6 (where PPh3 = triphenylphosphine, Thy = thyminate and bipy = 2,2′-bipyridine) is a potent cytotoxic agent with ability to bind to DNA, inducing caspase-mediated apoptosis in leukemia cells. In this study, we investigated the mechanism underlying the cell death induction by Ru(II)-thymine complex in human colon carcinoma HCT116 cells, as well as its effect in xenograft tumor model. The Ru(II)-thymine complex increased significantly the percentage of apoptotic HCT116 cells. Co-treatment with a JNK/SAPK inhibitor, p38 MAPK inhibitor and MEK inhibitor, which inhibit the activation of ERK1/2, caused a marked reduction of the percentage of complex-induced apoptotic cells. Moreover, the Ru(II)-thymine complex induced an increase in phospho-JNK2 (T183/Y185), phospho-p38α (T180/Y182) and phospho-ERK1 (T202/Y204) levels in HCT116 cells. Treatment with the Ru(II)-thymine complex increased significantly the phospho-histone H2AX (S139) expression, a DNA damage marker. The expression of phospho-p53 (S15) and MDM2 were not changed, and the co-treatment with a p53 inhibitor (cyclic pifithrin-α) did not reduce the complex-induced apoptosis in HCT116 cells, indicating that the Ru(II)-thymine complex induces DNA damage-mediated apoptosis by JNK/p38/ERK1/2 via a p53-independent signaling. The Ru(II)-thymine complex (1 and 2 mg/kg/day) also inhibited HCT116 cell growth in a xenograft model, reducing the tumor mass at 32.6–40.1%. Altogether, indicate that the Ru(II)-thymine complex is a promising anti-colon cancer drug candidate.
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Affiliation(s)
- Suellen L R Silva
- Gonçalo Moniz Institute, Oswaldo Cruz Foundation (IGM-FIOCRUZ/BA), Salvador, Bahia, 40296-710, Brazil
| | - Ingrid R S Baliza
- Gonçalo Moniz Institute, Oswaldo Cruz Foundation (IGM-FIOCRUZ/BA), Salvador, Bahia, 40296-710, Brazil
| | - Rosane B Dias
- Gonçalo Moniz Institute, Oswaldo Cruz Foundation (IGM-FIOCRUZ/BA), Salvador, Bahia, 40296-710, Brazil
| | - Caroline B S Sales
- Department of Biomorphology, Institute of Health Sciences, Federal University of Bahia, Salvador, Bahia, 40110-902, Brazil
| | - Clarissa A Gurgel Rocha
- Gonçalo Moniz Institute, Oswaldo Cruz Foundation (IGM-FIOCRUZ/BA), Salvador, Bahia, 40296-710, Brazil
| | - Milena B P Soares
- Gonçalo Moniz Institute, Oswaldo Cruz Foundation (IGM-FIOCRUZ/BA), Salvador, Bahia, 40296-710, Brazil
| | - Rodrigo S Correa
- Department of Chemistry, Federal University of Ouro Preto, Ouro Preto, Minas Gerais, 35400-000, Brazil
| | - Alzir A Batista
- Department of Chemistry, Federal University of São Carlos, São Carlos, São Paulo, 13561-901, Brazil
| | - Daniel P Bezerra
- Gonçalo Moniz Institute, Oswaldo Cruz Foundation (IGM-FIOCRUZ/BA), Salvador, Bahia, 40296-710, Brazil.
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191
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Sojka M, Fojtu M, Fialova J, Masarik M, Necas M, Marek R. Locked and Loaded: Ruthenium(II)-Capped Cucurbit[ n]uril-Based Rotaxanes with Antimetastatic Properties. Inorg Chem 2019; 58:10861-10870. [PMID: 31355636 DOI: 10.1021/acs.inorgchem.9b01203] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Abstract
We report here the first coupling of Ru(II) units with cucurbit[6/7]uril-based pseudorotaxane ligands meant for biological application. The resulting ruthenium-capped rotaxanes were fully characterized, and a structure of one supramolecular system was determined by X-ray diffraction. Because the biological properties of Ru-based metallodrugs are tightly linked to the ligand-exchange processes, the effect of salt concentration on the hydrolysis of chlorides from the Ru(II) center was monitored by using 1H NMR spectroscopy. The biological activity of Ru(II)-based rotaxanes was evaluated for three selected mammalian breast cell lines, HBL-100, MCF-7, and MDA-MB-231. The antimetastatic activity of the assembled cationic Ru(II)-rotaxane systems, evaluated in migration assays against MCF-7 and MDA-MB-231 cell lines, is notably enhanced compared to that of RAPTA-C, a reference that was used. The indicated synergistic effect of combining Ru(II) with a pseudorotaxane unit opens a new direction in searching for anticancer supramolecular metallodrugs.
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Affiliation(s)
- Martin Sojka
- Department of Chemistry, Faculty of Science , Masaryk University , Kamenice 5 , CZ-62500 Brno , Czechia.,CEITEC-Central European Institute of Technology , Masaryk University , Kamenice 5 , CZ-62500 Brno , Czechia
| | - Michaela Fojtu
- CEITEC-Central European Institute of Technology , Masaryk University , Kamenice 5 , CZ-62500 Brno , Czechia.,Department of Pathological Physiology, Faculty of Medicine , Masaryk University , Kamenice 5 , CZ-62500 Brno , Czechia.,Department of Physiology, Faculty of Medicine , Masaryk University , Kamenice 5 , CZ-62500 Brno , Czechia
| | - Jindriska Fialova
- Department of Physiology, Faculty of Medicine , Masaryk University , Kamenice 5 , CZ-62500 Brno , Czechia
| | - Michal Masarik
- CEITEC-Central European Institute of Technology , Masaryk University , Kamenice 5 , CZ-62500 Brno , Czechia.,Department of Pathological Physiology, Faculty of Medicine , Masaryk University , Kamenice 5 , CZ-62500 Brno , Czechia.,Department of Physiology, Faculty of Medicine , Masaryk University , Kamenice 5 , CZ-62500 Brno , Czechia
| | - Marek Necas
- Department of Chemistry, Faculty of Science , Masaryk University , Kamenice 5 , CZ-62500 Brno , Czechia.,CEITEC-Central European Institute of Technology , Masaryk University , Kamenice 5 , CZ-62500 Brno , Czechia
| | - Radek Marek
- Department of Chemistry, Faculty of Science , Masaryk University , Kamenice 5 , CZ-62500 Brno , Czechia.,CEITEC-Central European Institute of Technology , Masaryk University , Kamenice 5 , CZ-62500 Brno , Czechia
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192
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Wang Y, Li H, Sun H. Metalloproteomics for Unveiling the Mechanism of Action of Metallodrugs. Inorg Chem 2019; 58:13673-13685. [DOI: 10.1021/acs.inorgchem.9b01199] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/02/2023]
Affiliation(s)
- Yuchuan Wang
- Department of Chemistry, The University of Hong Kong, Pokfulam Road, Hong Kong, People’s Republic of China
| | - Hongyan Li
- Department of Chemistry, The University of Hong Kong, Pokfulam Road, Hong Kong, People’s Republic of China
| | - Hongzhe Sun
- Department of Chemistry, The University of Hong Kong, Pokfulam Road, Hong Kong, People’s Republic of China
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193
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Hager LA, Mokesch S, Kieler C, Alonso-de Castro S, Baier D, Roller A, Kandioller W, Keppler BK, Berger W, Salassa L, Terenzi A. Ruthenium-arene complexes bearing naphthyl-substituted 1,3-dioxoindan-2-carboxamides ligands for G-quadruplex DNA recognition. Dalton Trans 2019; 48:12040-12049. [PMID: 31292575 DOI: 10.1039/c9dt02078k] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
Quadruplex nucleic acids - DNA/RNA secondary structures formed in guanine rich sequences - proved to have key roles in the biology of cancers and, as such, in recent years they emerged as promising targets for small molecules. Many reports demonstrated that metal complexes can effectively stabilize quadruplex structures, promoting telomerase inhibition, downregulation of the expression of cancer-related genes and ultimately cancer cell death. Although extensively explored as anticancer agents, studies on the ability of ruthenium arene complexes to interact with quadruplex nucleic acids are surprisingly almost unknown. Herein, we report on the synthesis and characterization of four novel Ru(ii) arene complexes with 1,3-dioxoindan-2-carboxamides ligands bearing pendant naphthyl-groups designed to bind quadruplexes by both stacking and coordinating interactions. We show how improvements on the hydrolytic stability of such complexes, by substituting the chlorido leaving ligand with pyridine, have a dramatic impact on their interaction with quadruplexes and on their cytotoxicity against ovarian cancer cells.
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Affiliation(s)
- Laura A Hager
- Institute of Inorganic Chemistry, Faculty of Chemistry, University of Vienna, Waehringer Str. 42, A-1090 Vienna, Austria.
| | - Stephan Mokesch
- Institute of Inorganic Chemistry, Faculty of Chemistry, University of Vienna, Waehringer Str. 42, A-1090 Vienna, Austria.
| | - Claudia Kieler
- Department of Medicine I, Institute of Cancer Research and Comprehensive Cancer Center, Medical University Vienna, Borschkegasse 8a, A-1090 Vienna, Austria
| | | | - Dina Baier
- Department of Medicine I, Institute of Cancer Research and Comprehensive Cancer Center, Medical University Vienna, Borschkegasse 8a, A-1090 Vienna, Austria
| | - Alexander Roller
- Institute of Inorganic Chemistry, Faculty of Chemistry, University of Vienna, Waehringer Str. 42, A-1090 Vienna, Austria.
| | - Wolfgang Kandioller
- Institute of Inorganic Chemistry, Faculty of Chemistry, University of Vienna, Waehringer Str. 42, A-1090 Vienna, Austria.
| | - Bernhard K Keppler
- Institute of Inorganic Chemistry, Faculty of Chemistry, University of Vienna, Waehringer Str. 42, A-1090 Vienna, Austria.
| | - Walter Berger
- Department of Medicine I, Institute of Cancer Research and Comprehensive Cancer Center, Medical University Vienna, Borschkegasse 8a, A-1090 Vienna, Austria
| | - Luca Salassa
- Donostia International Physics Center, Paseo Manuel de Lardizabal 4, Donostia, 20018, Spain and Ikerbasque, Basque Foundation for Science, Bilbao, 48013, Spain
| | - Alessio Terenzi
- Institute of Inorganic Chemistry, Faculty of Chemistry, University of Vienna, Waehringer Str. 42, A-1090 Vienna, Austria. and Donostia International Physics Center, Paseo Manuel de Lardizabal 4, Donostia, 20018, Spain
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194
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Neves SP, de Carvalho NC, da Silva MM, Rodrigues ACBC, Bomfim LM, Dias RB, Sales CBS, Rocha CAG, Soares MBP, Batista AA, Bezerra DP. Ruthenium Complexes Containing Heterocyclic Thioamidates Trigger Caspase-Mediated Apoptosis Through MAPK Signaling in Human Hepatocellular Carcinoma Cells. Front Oncol 2019; 9:562. [PMID: 31338323 PMCID: PMC6629894 DOI: 10.3389/fonc.2019.00562] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2019] [Accepted: 06/10/2019] [Indexed: 12/24/2022] Open
Abstract
Herein, ruthenium complexes containing heterocyclic thioamidates [Ru(mmi)(bipy)(dppb)]PF6 (1), [Ru(tzdt)(bipy)(dppb)]PF6 (2), [Ru(dmp)(bipy)(dppb)]PF6 (3) and [Ru(mpca)(bipy)(dppb)]PF6 (4) were investigated for their cellular and molecular effects in cancer cell lines. Complexes 1 and 2 were the most potent of the four compounds against a panel of different cancer cell lines in monolayer cultures and showed potent cytotoxicity in a 3D model of multicellular spheroids that formed from human hepatocellular carcinoma HepG2 cells. In addition, both complexes were able to bind to DNA in a calf thymus DNA model. Compared to the controls, a reduction in cell proliferation, phosphatidylserine externalization, internucleosomal DNA fragmentation, and the loss of the mitochondrial transmembrane potential were observed in HepG2 cells that were treated with these complexes. Additionally, coincubation with a pan-caspase inhibitor (Z-VAD(OMe)-FMK) reduced the levels of apoptosis that were induced by these compounds compared to those in the negative controls, indicating that cell death through apoptosis occurred via a caspase-dependent pathway. Moreover, these complexes also induced the phosphorylation of ERK1/2, and coincubation with an MEK inhibitor (U0126), which is known to inhibit the activation of ERK1/2, but not JNK/SAPK and p38 MAPK inhibitors, reduced the complexes-induced apoptosis compared to that in the negative controls, indicating that the induction of apoptotic cell death occurred through ERK1/2 signaling in HepG2 cells. On the other hand, no increase in oxidative stress was observed in HepG2 cells treated with the complexes, and the complexes-induced apoptosis was not reduced with coincubation with the antioxidant N-acetylcysteine or a p53 inhibitor compared to that in the negative controls, indicating that apoptosis occurred via oxidative stress- and p53-independent pathways. Finally, these complexes also reduced the growth of HepG2 cells that were engrafted in C.B-17 SCID mice compared to that in the negative controls. These results indicated that these complexes are novel anticancer drug candidates for liver cancer treatment.
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Affiliation(s)
- Sara P Neves
- Gonçalo Moniz Institute, Oswaldo Cruz Foundation (IGM-FIOCRUZ/BA), Salvador, Brazil
| | | | - Monize M da Silva
- Department of Chemistry, Federal University of São Carlos, São Carlos, Brazil
| | | | - Larissa M Bomfim
- Gonçalo Moniz Institute, Oswaldo Cruz Foundation (IGM-FIOCRUZ/BA), Salvador, Brazil
| | - Rosane B Dias
- Gonçalo Moniz Institute, Oswaldo Cruz Foundation (IGM-FIOCRUZ/BA), Salvador, Brazil
| | - Caroline B S Sales
- Department of Biomorphology, Institute of Health Sciences, Federal University of Bahia, Salvador, Brazil
| | | | - Milena B P Soares
- Gonçalo Moniz Institute, Oswaldo Cruz Foundation (IGM-FIOCRUZ/BA), Salvador, Brazil
| | - Alzir A Batista
- Department of Chemistry, Federal University of São Carlos, São Carlos, Brazil
| | - Daniel P Bezerra
- Gonçalo Moniz Institute, Oswaldo Cruz Foundation (IGM-FIOCRUZ/BA), Salvador, Brazil
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195
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Rausch M, Dyson PJ, Nowak‐Sliwinska P. Recent Considerations in the Application of RAPTA‐C for Cancer Treatment and Perspectives for Its Combination with Immunotherapies. ADVANCED THERAPEUTICS 2019. [DOI: 10.1002/adtp.201900042] [Citation(s) in RCA: 40] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Affiliation(s)
- Magdalena Rausch
- Molecular Pharmacology GroupSchool of Pharmaceutical Sciences, Faculty of SciencesUniversity of Lausanne and University of Geneva Rue Michel‐Servet 1, 1211 Geneva 4 Switzerland
| | - Paul J. Dyson
- Institute of Chemical Sciences and EngineeringEcole Polytechnique Fédérale de Lausanne (EPFL) 1015 Lausanne Switzerland
| | - Patrycja Nowak‐Sliwinska
- Molecular Pharmacology GroupSchool of Pharmaceutical Sciences, Faculty of SciencesUniversity of Lausanne and University of Geneva Rue Michel‐Servet 1, 1211 Geneva 4 Switzerland
- Translational Research Centre in Oncohaematology Geneva, Switzerland, 1211 Geneva 4 Switzerland
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196
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Fine-Tuning the Activation Mode of an 1,3-Indandione-Based Ruthenium(II)-Cymene Half-Sandwich Complex by Variation of Its Leaving Group. Molecules 2019; 24:molecules24132373. [PMID: 31252521 PMCID: PMC6651387 DOI: 10.3390/molecules24132373] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2019] [Revised: 06/21/2019] [Accepted: 06/22/2019] [Indexed: 12/18/2022] Open
Abstract
Fine-tuning of the properties of a recently reported 1,3-indandione-based organoruthenium complex is attempted to optimize the stability under physiological conditions. Previous work has shown its capacity of inhibiting topoisomerase IIα; however, fast aquation leads to undesired reactions and ligand cleavage in the blood stream before the tumor tissue is reached. Exchange of the chlorido ligand for six different N-donor ligands resulted in new analogs that were stable at pH 7.4 and 8.5. Only a lowered pH level, as encountered in the extracellular space of the tumor tissue, was capable of aquating the complexes. The 50% inhibitory concentration (IC50) values in three human cancer cell lines differed only slightly, and their dependence on the utilized leaving group was smaller than what would be expected from their differences in cellular accumulation, but in accordance with the very minor variation revealed in measurements of the complexes’ lipophilicity.
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197
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D'Amora A, Cucciolito ME, Iannitti R, Morelli G, Palumbo R, Ruffo F, Tesauro D. Pyridine Ruthenium(III) complexes entrapped in liposomes with enhanced cytotoxic properties in PC-3 prostate cancer cells. J Drug Deliv Sci Technol 2019. [DOI: 10.1016/j.jddst.2019.02.009] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023]
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198
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NAMI-A and KP1019/1339, Two Iconic Ruthenium Anticancer Drug Candidates Face-to-Face: A Case Story in Medicinal Inorganic Chemistry. Molecules 2019; 24:molecules24101995. [PMID: 31137659 PMCID: PMC6571951 DOI: 10.3390/molecules24101995] [Citation(s) in RCA: 223] [Impact Index Per Article: 44.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2019] [Accepted: 05/22/2019] [Indexed: 01/23/2023] Open
Abstract
NAMI-A ((ImH)[trans-RuCl4(dmso-S)(Im)], Im = imidazole) and KP1019/1339 (KP1019 = (IndH)[trans-RuCl4(Ind)2], Ind = indazole; KP1339 = Na[trans-RuCl4(Ind)2]) are two structurally related ruthenium(III) coordination compounds that have attracted a lot of attention in the medicinal inorganic chemistry scientific community as promising anticancer drug candidates. This has led to a considerable amount of studies on their respective chemico-biological features and to the eventual admission of both to clinical trials. The encouraging pharmacological performances qualified KP1019 mainly as a cytotoxic agent for the treatment of platinum-resistant colorectal cancers, whereas the non-cytotoxic NAMI-A has gained the reputation of being a very effective antimetastatic drug. A critical and strictly comparative analysis of the studies conducted so far on NAMI-A and KP1019 allows us to define the state of the art of these experimental ruthenium drugs in terms of the respective pharmacological profiles and potential clinical applications, and to gain some insight into the inherent molecular mechanisms. Despite their evident structural relatedness, deeply distinct biological and pharmacological profiles do emerge. Overall, these two iconic ruthenium complexes form an exemplary and unique case in the field of medicinal inorganic chemistry.
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199
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Konkankit CC, King AP, Knopf KM, Southard TL, Wilson JJ. In Vivo Anticancer Activity of a Rhenium(I) Tricarbonyl Complex. ACS Med Chem Lett 2019; 10:822-827. [PMID: 31098006 DOI: 10.1021/acsmedchemlett.9b00128] [Citation(s) in RCA: 54] [Impact Index Per Article: 10.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2019] [Accepted: 04/16/2019] [Indexed: 12/22/2022] Open
Abstract
The rhenium(I) complex fac-[Re(CO)3(2,9-dimethyl-1,10-phenanthroline)(OH2)]+ (1) was previously shown to exhibit potent in vitro anticancer activity in a manner distinct from conventional platinum-based drugs (J. Am. Chem. Soc. 2017, 139, 14302-14314). In this study, we report further efforts to explore its aqueous speciation and antitumor activity. The cellular uptake of 1 was measured in A2780 and cisplatin-resistant A2780CP70 ovarian cancer cells by inductively coupled plasma mass spectrometry, revealing similar uptake efficiency in both cell lines. High accumulation in the mitochondria was observed, contradicting prior fluorescence microscopy studies. The luminescence of 1 is highly dependent on pH and coordination environment, making fluorescence microscopy somewhat unreliable for determining compound localization. The in vivo anticancer activity of 1 was evaluated in mice bearing patient-derived ovarian cancer tumor xenografts. These studies conclusively show that 1 is capable of inhibiting tumor growth, providing further credibility for the use of these compounds as anticancer agents.
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Affiliation(s)
- Chilaluck C. Konkankit
- Department of Chemistry and Chemical Biology, Cornell University, Ithaca, New York 14853, United States
| | - A. Paden King
- Department of Chemistry and Chemical Biology, Cornell University, Ithaca, New York 14853, United States
| | - Kevin M. Knopf
- Department of Chemistry and Chemical Biology, Cornell University, Ithaca, New York 14853, United States
| | - Teresa L. Southard
- Department of Biomedical Sciences, Cornell University, Ithaca, New York 14853, United States
| | - Justin J. Wilson
- Department of Chemistry and Chemical Biology, Cornell University, Ithaca, New York 14853, United States
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200
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Swaminathan S, Haribabu J, Kalagatur NK, Konakanchi R, Balakrishnan N, Bhuvanesh N, Karvembu R. Synthesis and Anticancer Activity of [RuCl 2(η 6-arene)(aroylthiourea)] Complexes-High Activity against the Human Neuroblastoma (IMR-32) Cancer Cell Line. ACS OMEGA 2019; 4:6245-6256. [PMID: 31459766 PMCID: PMC6648990 DOI: 10.1021/acsomega.9b00349] [Citation(s) in RCA: 41] [Impact Index Per Article: 8.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/06/2019] [Accepted: 03/22/2019] [Indexed: 05/11/2023]
Abstract
Eight new organometallic Ru(II)-arene complexes of the type [RuCl2(η6-arene)(η1-S-aroylthiourea)] (arene = p-cymene or benzene) were synthesized in order to evaluate the effect of the arene moiety and the substituent of the aroylthiourea ligand on the cytotoxicity of the complexes. The ligands (L1 and L2) and complexes (1-8) were characterized using analytical and spectroscopic (UV-visible, infrared, 1H NMR, 13C NMR, and mass) methods. The structure of the ligands (L1 and L2) and complexes (1 and 3-6) was obtained from single-crystal X-ray diffraction studies. The cytotoxicity of the complexes was evaluated against four different cancer cell lines: MCF-7 (breast), COLO 205 (colon), A549 (lung), and IMR-32 (neuroblastoma). All the complexes showed good cytotoxicity and the highest was in the IMR-32 cell line, which articulates the specificity of these complexes toward the IMR-32 cancer cell line. The complexes 5, 7, and 8 exhibited remarkable cytotoxicity in the entire cancer cell lines tested, which was comparable with the standard drug, cisplatin. The anticancer mechanism of the complexes 3 and 7 in IMR-32 cells was evaluated by bright-field microscopy, intracellular reactive oxygen species (ROS), mitochondrial membrane potential (MMP), DNA damage, and caspase-3 analyses. The cells treated with the complexes showed upregulated caspase-3 compared to the control, and it was found that ROS and MMP were dose-dependent on analysis. Also, bright-field microscopy and 4',6-diamidino-2-phenylindole (DAPI) staining have correspondingly shown cellular membrane blebbing and DNA damage, which were morphological hallmarks of apoptosis. The study concluded that the complexes promoted the oxidative stress-mediated apoptotic death of the cancer cells through the generation of intracellular ROS, depletion of MMP, and damage of the nuclear material.
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Affiliation(s)
- Srividya Swaminathan
- Department
of Chemistry, National Institute of Technology, Tiruchirappalli 620015, Tamil Nadu, India
| | - Jebiti Haribabu
- Department
of Chemistry, National Institute of Technology, Tiruchirappalli 620015, Tamil Nadu, India
| | - Naveen Kumar Kalagatur
- DRDO-BU-Centre
for Life Sciences, Bharathiar Univeristy Campus, Coimbatore 641046, Tamil Nadu, India
| | - Ramaiah Konakanchi
- Department
of Chemistry, National Institute of Technology, Warangal 506004, Telangana, India
| | - Nithya Balakrishnan
- Department
of Chemistry, National Institute of Technology, Tiruchirappalli 620015, Tamil Nadu, India
| | - Nattamai Bhuvanesh
- Department
of Chemistry, Texas A & M University, College Station, Texas 77842, United States
| | - Ramasamy Karvembu
- Department
of Chemistry, National Institute of Technology, Tiruchirappalli 620015, Tamil Nadu, India
- E-mail:
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