1
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Teixeira RG, Mészáros JP, Matos B, Côrte-Real L, Xavier CPR, Fontrodona X, Garcia MH, Romero I, Spengler G, Vasconcelos MH, Tomaz AI, Enyedy ÉA, Valente A. Novel family of [RuCp(N,N)(P)] + compounds with simultaneous anticancer and antibacterial activity: Biological evaluation and solution chemistry studies. Eur J Med Chem 2023; 262:115922. [PMID: 37944388 DOI: 10.1016/j.ejmech.2023.115922] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2023] [Revised: 10/27/2023] [Accepted: 10/28/2023] [Indexed: 11/12/2023]
Abstract
A family of ten novel ruthenium(II)-cyclopentadienyl organometallics of general formula [Ru(η5-C5H5)(N,N)(PPh2(C6H4COOR)][CF3SO3] (1-10) in which (N,N) = 4,4'-R'-2,2'-bipyridyl (R = -H or -CH2CH2OH; R' = -H, -CH3, -OCH3, -CH2OH, and -CH2-biotin) was prepared from [Ru(η5-C5H5)(PPh2(C6H4COOH))2Cl]. All compounds were fully characterized by means of several spectroscopic and analytical techniques, and the molecular structures of [Ru(η5-C5H5)(PPh2(C6H4COOH))2Cl], 1, 3 and 4 have been additionally studied by single-crystal X-ray diffraction. The anticancer activity of all compounds was evaluated in sensitive and multidrug-resistant counterpart cell lines from human colorectal cancer (Colo 205 and Colo 320) and non-small cell lung cancer NSCLC (A549, NCI-H460 versus NCI-H460/R) as well. Notably, compounds 6 and 7 (R CH2CH2OH and (N,N) = bipy or Me2bipy, respectively) showed antiproliferative effect against both cell lines with high intrinsic selectivity towards cancer cells. The antibacterial activity of all compounds was also evaluated against both Gram negative and Gram positive strains, and some compounds in the series showed potent antibacterial activity against Staphylococcus aureus strains, including the methicillin-resistant MRSA strains. Solution speciation studies revealed that the complexes bearing the PPh2(C6H4COO-) ligand are neutral at physiological pH (7.4) in contrast with their ethylene glycol derivatives that have a permanent positive charge. While all compounds are lipophilic, the difference in the distribution coefficient for neutral and charged complexes is around one order of magnitude. Complexes 6 and 7 exhibited excellent biological activity and were selected for further studies. Spectrofluorometric methods were used to investigate their interaction with biomolecules such as human serum albumin (HSA) and calf thymus DNA (ct-DNA). For these complexes, binding site II of HSA is a possible binding pocket through non-covalent interactions. The release of ethidium from the DNA adduct by the charged complexes proves their interaction with DNA in contrast to the neutral ones. In conclusion, Ru(II)-cyclopentadienyl complexes with 2,2'-bipyridyl-derivatives and an ethylene glycol moiety tethered to the phenylphosphane co-ligand are very promising from a therapeutic perspective, in particular complexes 6 and 7 that display remarkable antibacterial activity with a high anti-proliferative effect against colon and non-small cell lung cancers, both clinically challenging neoplasias in need of effective solutions.
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Affiliation(s)
- Ricardo G Teixeira
- Centro de Química Estrutural, Institute of Molecular Sciences, Departamento de Química e Bioquímica, Faculdade de Ciências, Universidade de Lisboa, Campo Grande, 1749-016, Lisboa, Portugal
| | - János P Mészáros
- Department of Molecular and Analytical Chemistry, Interdisciplinary Excellence Centre, University of Szeged, Dóm tér 7, H-6720, Szeged, Hungary; MTA-SZTE Lendület Functional Metal Complexes Research Group, University of Szeged, Dóm tér 7, H-6720, Szeged, Hungary
| | - Beatriz Matos
- Instituto de Investigação e Inovação em Saúde (i3S), University of Porto, 4200-135, Porto, Portugal; Cancer Drug Resistance Group, Institute of Molecular Pathology and Immunology (IPATIMUP), University of Porto, 4200-135, Porto, Portugal
| | - Leonor Côrte-Real
- Centro de Química Estrutural, Institute of Molecular Sciences, Departamento de Química e Bioquímica, Faculdade de Ciências, Universidade de Lisboa, Campo Grande, 1749-016, Lisboa, Portugal
| | - Cristina P R Xavier
- Instituto de Investigação e Inovação em Saúde (i3S), University of Porto, 4200-135, Porto, Portugal; Cancer Drug Resistance Group, Institute of Molecular Pathology and Immunology (IPATIMUP), University of Porto, 4200-135, Porto, Portugal
| | - Xavier Fontrodona
- Departament de Química and Serveis Tècnics de Recerca, Universitat de Girona, C/ M. Aurèlia Campmany, 69, E-17003, Girona, Spain
| | - M Helena Garcia
- Centro de Química Estrutural, Institute of Molecular Sciences, Departamento de Química e Bioquímica, Faculdade de Ciências, Universidade de Lisboa, Campo Grande, 1749-016, Lisboa, Portugal
| | - Isabel Romero
- Departament de Química and Serveis Tècnics de Recerca, Universitat de Girona, C/ M. Aurèlia Campmany, 69, E-17003, Girona, Spain
| | - Gabriella Spengler
- MTA-SZTE Lendület Functional Metal Complexes Research Group, University of Szeged, Dóm tér 7, H-6720, Szeged, Hungary; Department of Medical Microbiology, Albert Szent-Györgyi Health Center and Albert Szent-Györgyi Medical School, University of Szeged, Semmelweis utca 6, 6725, Szeged, Hungary
| | - M Helena Vasconcelos
- Instituto de Investigação e Inovação em Saúde (i3S), University of Porto, 4200-135, Porto, Portugal; Cancer Drug Resistance Group, Institute of Molecular Pathology and Immunology (IPATIMUP), University of Porto, 4200-135, Porto, Portugal; Department of Biological Sciences, Faculty of Pharmacy of the University of Porto (FFUP), Porto, Portugal
| | - Ana Isabel Tomaz
- Centro de Química Estrutural, Institute of Molecular Sciences, Departamento de Química e Bioquímica, Faculdade de Ciências, Universidade de Lisboa, Campo Grande, 1749-016, Lisboa, Portugal
| | - Éva A Enyedy
- Department of Molecular and Analytical Chemistry, Interdisciplinary Excellence Centre, University of Szeged, Dóm tér 7, H-6720, Szeged, Hungary; MTA-SZTE Lendület Functional Metal Complexes Research Group, University of Szeged, Dóm tér 7, H-6720, Szeged, Hungary
| | - Andreia Valente
- Centro de Química Estrutural, Institute of Molecular Sciences, Departamento de Química e Bioquímica, Faculdade de Ciências, Universidade de Lisboa, Campo Grande, 1749-016, Lisboa, Portugal.
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2
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Baklouti L, Mellah B, Koko WS. Complexing Properties of Synthesized 1,3,5-Triaza-7-Phosphaadamantane Derivatives Towards Some Lanthanides and Transition Metal Cations With Significant Antimicrobial and Antioxidant Activities. Dose Response 2023; 21:15593258231216274. [PMID: 38022901 PMCID: PMC10655660 DOI: 10.1177/15593258231216274] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/27/2022] [Accepted: 10/31/2023] [Indexed: 12/01/2023] Open
Abstract
The synthesis of new water-soluble N-alkylated derivatives of 1,3,5-triaza-7-phosphaadamantane is presented. Ru(PPh3)2Cl2 has been used to react with 1-(4-nitrobenzyl)-3,5-triaza-1-azonia-7-phosphaadamantane bromide (PTAR). By using elemental analysis, NMR, and IR spectroscopy, the obtained compounds were identified. The UV-visible absorption spectroscopy has been used to monitor the complexation of various transition metal cations. Studies on conductivity have been utilized to validate the complexes' stoichiometries. Using the disc diffusion method, five bacteria strains were used for the study of the antimicrobial activity of compounds 1-3. All tested pathogens, including M luteus LB 141107, were found to have strong biologic activity against the compounds tested in this study. Additionally, DPPH (2,2-diphenyl-1-picrylhydrazyl) has been tested for its ability to scavenge hydrogen peroxide and free radicals. According to our results, these compounds exhibit excellent radical scavenging properties.
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Affiliation(s)
- Lassaad Baklouti
- Laboratory of Applied Chemistry and Natural Substances Resources and Environment, Faculty of Sciences, University of Carthage, Bizerta, 7021, Tunisia
| | - Besma Mellah
- National Center of Researches in Material Sciences (CNRSM), Soliman, 2050, Tunisia
| | - Waleed S. Koko
- Department of Science Laboratories, College of Science and Arts, Qassim University, Ar Rass, Saudi Arabia, 51921
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3
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Alguacil A, Scalambra F, Romerosa A, Bento-Oliveira A, Marques F, Maximiano I, de Almeida RFM, Tomaz AI, Valente A. Evaluation of the Antiproliferative Properties of CpRu Complexes Containing N-Methylated Triazaphosphaadamantane Derivatives. Bioinorg Chem Appl 2023; 2023:6669394. [PMID: 37808953 PMCID: PMC10555500 DOI: 10.1155/2023/6669394] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/05/2023] [Revised: 08/06/2023] [Accepted: 08/11/2023] [Indexed: 10/10/2023] Open
Abstract
Piano-stool-{CpRu} complexes containing 1,3,5-triaza-7-phosphaadamantane (PTA), N-methyl-1,3,5-triaza-7-phosphaadamantane (mPTA), and 3,7-dimethyl-1,3,7-triaza-5-phosphabyciclo[3.3.1]nonane (dmoPTA) were evaluated as drugs against breast cancer. The evaluated compounds include two new examples of this family, the complexes [RuCp(DMSO-κS)(HdmoPTA)(PPh3)](CF3SO3)2 (8) and [RuCp(PPh3)2-µ-dmoPTA-1κP-2κ2N,N'-PdCl2](CF3SO3) (11), which have been synthesized and characterized by NMR, IR, and single-crystal X-ray diffraction. The cytotoxic activity of compounds was evaluated against MDA-MB-231 breast cancer cells, and the three most active complexes were further tested against the hormone-dependent MCF-7 breast cancer cell line. Their cell death mechanism and ruthenium uptake were also evaluated, as well as their binding ability to human serum albumin.
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Affiliation(s)
- Andres Alguacil
- Área de Química Inorgánica–CIESOL, Universidad de Almería, Almería 04120, Spain
| | - Franco Scalambra
- Área de Química Inorgánica–CIESOL, Universidad de Almería, Almería 04120, Spain
| | - Antonio Romerosa
- Área de Química Inorgánica–CIESOL, Universidad de Almería, Almería 04120, Spain
| | - Andreia Bento-Oliveira
- Centro de Química Estrutural, Institute of Molecular Sciences, Departamento de Química e Bioquímica, Faculdade de Ciências, Universidade de Lisboa, Campo Grande 1749-016, Lisboa, Portugal
| | - Fernanda Marques
- Centro de Ciências e Tecnologias Nucleares e Departamento de Engenharia e Ciências Nculeares, Instituto Superior Técnico (C2TN/IST), Universidade de Lisboa, Estrada Nacional 10, Bobadela LRS 2695-066, Portugal
| | - Ines Maximiano
- Centro de Química Estrutural, Institute of Molecular Sciences, Departamento de Química e Bioquímica, Faculdade de Ciências, Universidade de Lisboa, Campo Grande 1749-016, Lisboa, Portugal
| | - Rodrigo F. M. de Almeida
- Centro de Química Estrutural, Institute of Molecular Sciences, Departamento de Química e Bioquímica, Faculdade de Ciências, Universidade de Lisboa, Campo Grande 1749-016, Lisboa, Portugal
| | - Ana Isabel Tomaz
- Centro de Química Estrutural, Institute of Molecular Sciences, Departamento de Química e Bioquímica, Faculdade de Ciências, Universidade de Lisboa, Campo Grande 1749-016, Lisboa, Portugal
| | - Andreia Valente
- Centro de Química Estrutural, Institute of Molecular Sciences, Departamento de Química e Bioquímica, Faculdade de Ciências, Universidade de Lisboa, Campo Grande 1749-016, Lisboa, Portugal
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Manjare SB, Mahadik RK, Manval KS, More PP, Dalvi SS. Microwave-Assisted Rapid and Green Synthesis of Schiff Bases Using Cashew Shell Extract as a Natural Acid Catalyst. ACS OMEGA 2023; 8:473-479. [PMID: 36643449 PMCID: PMC9835518 DOI: 10.1021/acsomega.2c05187] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/12/2022] [Accepted: 12/08/2022] [Indexed: 06/17/2023]
Abstract
The Schiff bases were prepared with aromatic aldehyde and aromatic amine using cashew shell extract as a catalyst under microwave irradiation. This reaction is rapid, efficient, and solvent-free and involves the one-pot synthesis of Schiff bases under microwave irradiation. The synthesized Schiff bases were characterized by Fourier transform infrared (FTIR) spectroscopy, 1H nuclear magnetic resonance (NMR) spectroscopy, 13C NMR spectroscopy, and gas chromatography-mass spectrometry (GC-MS). The advantages of the preparation of Schiff bases under microwave irradiation are high yield, shorter reaction time, easy, elimination of side products, and quick product isolation. The synthesized Schiff base derivatives are well known for their biological activity like antibacterial and antifungal activity.
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5
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Gaikwad M, Konkimalla VB, Salunke-Gawali S. Metal complexes as topoisomerase inhibitors. Inorganica Chim Acta 2022. [DOI: 10.1016/j.ica.2022.121089] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
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6
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Alguacil A, Scalambra F, Romerosa A. Insights into the κ-P,N Coordination of 1,3,5-Triaza-7-phosphaadamantane and Derivatives: κ-P,N-Heterometallic Complexes and a 15N Nuclear Magnetic Resonance Survey. Inorg Chem 2022; 61:5779-5791. [PMID: 35378037 PMCID: PMC9019812 DOI: 10.1021/acs.inorgchem.1c03831] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/03/2022]
Abstract
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Complexes {[(PTA)2CpRu-μ-CN-1κC:2κ2N-RuCp(PTA)2-ZnCl3]}·2DMSO (13) {[ZnCl2(H2O)]-(PTA-1κP:2κ2N)(PTA)CpRu-μ-CN-1κC:2κ2N-RuCp(PTA)(PTA-1κP:2κ2N)-[ZnCl2(H2O)]}Cl (14), [RuCp(HdmoPTA)(PPh3)(PTA)](CF3SO3)2 (20), [RuCp(HdmoPTA)(HPTA)(PPh3)](CF3SO3)3 (21), and [RuCp(dmoPTA)(PPh3)(PTA)](CF3SO3) (22) were obtained
and characterized, and their crystal structure together with that
of the previously published complex 18 is reported. The
behavior of the 1,3,5-triaza-7-phosphatricyclo[3.3.1.13,7]decane (PTA)
and 3,7-dimethyl-1,3,7-triaza-5-phosphabicyclo[3.3.1]nonane (dmoPTA)
ligands against protonation and κN-coordination
is discussed, on the basis of 15N nuclear magnetic resonance
data collected on 22 different compounds, including PTA (1), HdmoPTA (7H), and some common derivatives as free
ligands (2–6 and 8), along with mono-
and polymetallic complexes containing PTA and/or HdmoPTA (9–22). 15N detection via 1H–15N heteronuclear multiple bond correlation allowed the construction
of a small library of 15N chemical shifts that shed light
on important features regarding κN-coordination
in PTA and its derivatives. To shed light
on the behavior of the triazaphosphines 1,3,5-triaza-7-phosphatricyclo[3.3.1.13,7]decane
(PTA) and 3,7-dimethyl-1,3,7-triaza-5-phosphabicyclo[3.3.1]nonane
(dmoPTA) upon κN coordination and N protonation, the 15N chemical shifts of 22 compounds, including PTA and a representative
variety of its derivatives, piano-stool complexes, were collected
by 1H−15N heteronuclear multiple bond
correlation nuclear magnetic resonance. New heterometallic complexes
containing PTA were also synthesized and fully characterized.
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Affiliation(s)
- Andrés Alguacil
- Área de Química Inorgánica-CIESOL, Universidad de Almería, 04120 Almería, Spain
| | - Franco Scalambra
- Área de Química Inorgánica-CIESOL, Universidad de Almería, 04120 Almería, Spain
| | - Antonio Romerosa
- Área de Química Inorgánica-CIESOL, Universidad de Almería, 04120 Almería, Spain
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7
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Oladipupo O, Brown SR, Lamb RW, Gray JL, Cameron CG, DeRegnaucourt AR, Ward NA, Hall JF, Xu Y, Petersen CM, Qu F, Shrestha AB, Thompson MK, Bonizzoni M, Webster CE, McFarland SA, Kim Y, Papish ET. Light-responsive and Protic Ruthenium Compounds Bearing Bathophenanthroline and Dihydroxybipyridine Ligands Achieve Nanomolar Toxicity towards Breast Cancer Cells. Photochem Photobiol 2022; 98:102-116. [PMID: 34411308 PMCID: PMC8810589 DOI: 10.1111/php.13508] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2021] [Accepted: 08/16/2021] [Indexed: 01/03/2023]
Abstract
We report new ruthenium complexes bearing the lipophilic bathophenanthroline (BPhen) ligand and dihydroxybipyridine (dhbp) ligands which differ in the placement of the OH groups ([(BPhen)2 Ru(n,n'-dhbp)]Cl2 with n = 6 and 4 in 1A and 2A , respectively). Full characterization data are reported for 1A and 2A and single crystal X-ray diffraction for 1A . Both 1A and 2A are diprotic acids. We have studied 1A , 1B , 2A , and 2B (B = deprotonated forms) by UV-vis spectroscopy and 1 photodissociates, but 2 is light stable. Luminescence studies reveal that the basic forms have lower energy 3 MLCT states relative to the acidic forms. Complexes 1A and 2A produce singlet oxygen with quantum yields of 0.05 and 0.68, respectively, in acetonitrile. Complexes 1 and 2 are both photocytotoxic toward breast cancer cells, with complex 2 showing EC50 light values as low as 0.50 μM with PI values as high as >200 vs. MCF7. Computational studies were used to predict the energies of the 3 MLCT and 3 MC states. An inaccessible 3 MC state for 2B suggests a rationale for why photodissociation does not occur with the 4,4'-dhbp ligand. Low dark toxicity combined with an accessible 3 MLCT state for 1 O2 generation explains the excellent photocytotoxicity of 2.
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Affiliation(s)
- Olaitan Oladipupo
- Department of Chemistry and Biochemistry, The University of Alabama, Tuscaloosa, AL 35487, USA
| | - Spenser R. Brown
- Department of Chemical and Biological Engineering, The University of Alabama, Tuscaloosa, AL 35487, USA
| | - Robert W. Lamb
- Department of Chemistry, Mississippi State University, Mississippi State, MS 39762, USA.,Oak Ridge Institute for Science and Education, Oak Ridge, TN 37830, USA
| | - Jessica L. Gray
- Department of Chemistry and Biochemistry, The University of Alabama, Tuscaloosa, AL 35487, USA
| | - Colin G. Cameron
- Department of Chemistry and Biochemistry, University of Texas Arlington, Arlington, TX 76019, USA
| | - Alexa R. DeRegnaucourt
- Department of Chemistry and Biochemistry, The University of Alabama, Tuscaloosa, AL 35487, USA
| | - Nicholas A. Ward
- Department of Chemistry and Biochemistry, The University of Alabama, Tuscaloosa, AL 35487, USA
| | - James Fletcher Hall
- Department of Chemistry and Biochemistry, The University of Alabama, Tuscaloosa, AL 35487, USA
| | - Yifei Xu
- Department of Chemistry and Biochemistry, The University of Alabama, Tuscaloosa, AL 35487, USA
| | - Courtney M. Petersen
- Department of Chemistry and Biochemistry, The University of Alabama, Tuscaloosa, AL 35487, USA
| | - Fengrui Qu
- Department of Chemistry and Biochemistry, The University of Alabama, Tuscaloosa, AL 35487, USA
| | - Ambar B. Shrestha
- Department of Chemistry and Biochemistry, The University of Alabama, Tuscaloosa, AL 35487, USA
| | - Matthew K. Thompson
- Department of Chemistry and Biochemistry, The University of Alabama, Tuscaloosa, AL 35487, USA
| | - Marco Bonizzoni
- Department of Chemistry and Biochemistry, The University of Alabama, Tuscaloosa, AL 35487, USA
| | - Charles Edwin Webster
- Department of Chemistry, Mississippi State University, Mississippi State, MS 39762, USA.,Corresponding Authors’: (Charles Edwin Webster), (Sherri A. McFarland), (Yonghyun Kim), (Elizabeth T. Papish)
| | - Sherri A. McFarland
- Department of Chemistry and Biochemistry, University of Texas Arlington, Arlington, TX 76019, USA.,Corresponding Authors’: (Charles Edwin Webster), (Sherri A. McFarland), (Yonghyun Kim), (Elizabeth T. Papish)
| | - Yonghyun Kim
- Department of Chemical and Biological Engineering, The University of Alabama, Tuscaloosa, AL 35487, USA.,Corresponding Authors’: (Charles Edwin Webster), (Sherri A. McFarland), (Yonghyun Kim), (Elizabeth T. Papish)
| | - Elizabeth T. Papish
- Department of Chemistry and Biochemistry, The University of Alabama, Tuscaloosa, AL 35487, USA.,Corresponding Authors’: (Charles Edwin Webster), (Sherri A. McFarland), (Yonghyun Kim), (Elizabeth T. Papish)
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8
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Kordestani N, Abas E, Grasa L, Alguacil A, Scalambra F, Romerosa A. The Significant Influence of a Second Metal on the Antiproliferative Properties of the Complex [Ru(η 6 -C 10 H 14 )(Cl 2 )(dmoPTA)]. Chemistry 2021; 28:e202103048. [PMID: 34806242 PMCID: PMC9299940 DOI: 10.1002/chem.202103048] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/20/2021] [Indexed: 12/16/2022]
Abstract
Complexes [Ru(η6−C10H14)(Cl2)(HdmoPTA)](OSO2CF3) (1), [Ru(η6−C10H14)(Cl2)(dmoPTA)] (2) and [Ru(η6−C10H14)(Cl2)‐μ‐dmoPTA‐1κP:2κ2N,N’‐MCl2] (M=Zn (3), Co (4), Ni (5), dmoPTA=3,7‐dimethyl‐1,3,7‐triaza‐5‐phosphabicyclo[3.3.1]nonane) have been synthesized and characterized by elemental analysis and spectroscopic techniques. The crystal structures of 1, 3 and 5 were obtained by single‐crystal X‐ray diffraction. The antiproliferative activity of the complexes was evaluated against colon cancer cell line Caco‐2/TC7 by using the MTT protocol. The monometallic ruthenium complexes 1 and 2 were found to be inactive, but the bimetallic complexes 3, 4 and 5 display an increased activity (IC503: 9.07±0.27, 4: 5.40±0.19, 5: 7.15±0.30 μM) compared to cisplatin (IC50=45.6±8.08 μM). Importantly, no reduction in normal cell viability was observed in the presence of the complexes. Experiments targeted to obtain information on the possible action mechanism of the complexes, such as cell cycle, ROS and gene expression studies, were performed. The results showed that the complexes display different properties and action mechanism depending on the nature of metal, M, bonded to the CH3NdmoPTA atoms.
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Affiliation(s)
- Nazanin Kordestani
- Área de Química Inorgánica-CIESOL Facultad de CienciasUniversidad de AlmeríaCarr. Sacramento, s/n04120La Cañada, AlmeríaSpain
| | - Elisa Abas
- Departamento de Farmacología, Fisiología y Medicina Legal y Forense Facultad de VeterinariaUniversidad de ZaragozaMiguel Servet, 17750013ZaragozaSpain
| | - Laura Grasa
- Departamento de Farmacología, Fisiología y Medicina Legal y Forense Facultad de VeterinariaUniversidad de ZaragozaMiguel Servet, 17750013ZaragozaSpain
- Instituto de Investigación Sanitaria de Aragón (IIS Aragón)San Juan Bosco, 1350009ZaragozaSpain
- Instituto Agroalimentario de Aragón -IA2-Universidad de Zaragoza–CITA)Miguel Servet, 17750013ZaragozaSpain
| | - Andres Alguacil
- Área de Química Inorgánica-CIESOL Facultad de CienciasUniversidad de AlmeríaCarr. Sacramento, s/n04120La Cañada, AlmeríaSpain
| | - Franco Scalambra
- Área de Química Inorgánica-CIESOL Facultad de CienciasUniversidad de AlmeríaCarr. Sacramento, s/n04120La Cañada, AlmeríaSpain
| | - Antonio Romerosa
- Área de Química Inorgánica-CIESOL Facultad de CienciasUniversidad de AlmeríaCarr. Sacramento, s/n04120La Cañada, AlmeríaSpain
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9
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Udvardy A, Joó F, Kathó Á. Synthesis and catalytic applications of Ru(II)-phosphaurotropine complexes with the use of simple water-soluble Ru(II)-precursors. Coord Chem Rev 2021. [DOI: 10.1016/j.ccr.2021.213871] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/24/2023]
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10
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Nandi PG, Jadi PK, Das K, Prathapa SJ, Mandal BB, Kumar A. Synthesis of NNN Chiral Ruthenium Complexes and Their Cytotoxicity Studies. Inorg Chem 2021; 60:7422-7432. [PMID: 33909427 DOI: 10.1021/acs.inorgchem.1c00698] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023]
Abstract
The synthesis and characterization of chiral pincer-ruthenium complexes of the type (R2NNN)RuCl2 (PPh3) (R = 3-methylbutyl and 3,3-dimethylbutyl) is reported here. The cytotoxicity studies of these complexes were studied and compared with the corresponding activity of achiral complexes. The cytotoxic effect of pincer-ruthenium complexes on human dermal fibroblasts and human tongue carcinoma cells assessed using 3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide (MTT) assay displayed an inhibition of normal and cancer cell growth in a dose-dependent manner. Intracellular reactive oxygen species (ROS) level measurement, lactate dehydrogenase assay, DNA fragmentation, and necrosis studies revealed that treatment with pincer-ruthenium complexes induced a redox imbalance in SAS cells by upregulating ROS generation and caused necrotic cell death by disrupting the cellular membrane integrity.
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Affiliation(s)
- Pran Gobinda Nandi
- Department of Chemistry, Indian Institute of Technology Guwahati, Guwahati 781039, Assam, India
| | - Praveen Kumar Jadi
- Biomaterial and Tissue Engineering Laboratory, Department of Biosciences & Bioengineering, Indian Institute of Technology Guwahati, Guwahati 781039, Assam, India
| | - Kanu Das
- Department of Chemistry, Indian Institute of Technology Guwahati, Guwahati 781039, Assam, India
| | | | - Biman B Mandal
- Biomaterial and Tissue Engineering Laboratory, Department of Biosciences & Bioengineering, Indian Institute of Technology Guwahati, Guwahati 781039, Assam, India.,Center for Nanotechnology, Indian Institute of Technology Guwahati, Guwahati 781039, Assam, India
| | - Akshai Kumar
- Department of Chemistry, Indian Institute of Technology Guwahati, Guwahati 781039, Assam, India.,Center for Nanotechnology, Indian Institute of Technology Guwahati, Guwahati 781039, Assam, India
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11
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Hajji L, Saraiba-Bello C, Scalambra F, Segovia-Torrente G, Romerosa A. Ru complexes containing Cp, mPTA and natural purine bases (mPTA = methyl-N-1,3,5-triaza-7-phosphaadamantane): Evaluation of their antiproliferative activity, solubility and redox properties. J Inorg Biochem 2021; 218:111404. [PMID: 33684683 DOI: 10.1016/j.jinorgbio.2021.111404] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/31/2020] [Revised: 02/16/2021] [Accepted: 02/16/2021] [Indexed: 11/30/2022]
Abstract
Complexes [RuCp(Adeninate-κN9)(mPTA)2](Cl0.5)(CF3SO3)2.5·H2O (1·H2O), [RuCp(Guaninate-κN7)(mPTA)2](CF3SO3)2·H2O (2·H2O), [RuCp(Theophyllinate-κN7)(mPTA)2](CF3SO3)2·1.5H2O (3·1.5H2O) and [RuCp(Pur-κN)(mPTA)(PPh3)](CF3SO3) (4-6) (Pur = Adeninate, Guaninate, Teophyllinate; mPTA = N-methyl -1,3,5-triaza-7-phosphaadamantane) have been synthesized and characterized. Structure of complexes 1·H2O and 3·1.5H2O were determined by single-crystal X-ray diffraction. Solubility in water, Log P, electrochemical properties and antiproliferative activities of the complexes (against cisplatin-sensitive T2 and cisplatin-resistant SKOV3 cell lines) have been assessed and discussed.
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Affiliation(s)
- Lazhar Hajji
- Área de Química Inorgánica-CIESOL, Facultad de Ciencias Experimentales, Universidad de Almería, 04071 Almería, Spain
| | - Cristobal Saraiba-Bello
- Área de Química Inorgánica-CIESOL, Facultad de Ciencias Experimentales, Universidad de Almería, 04071 Almería, Spain
| | - Franco Scalambra
- Área de Química Inorgánica-CIESOL, Facultad de Ciencias Experimentales, Universidad de Almería, 04071 Almería, Spain
| | - Gaspar Segovia-Torrente
- Área de Química Inorgánica-CIESOL, Facultad de Ciencias Experimentales, Universidad de Almería, 04071 Almería, Spain
| | - Antonio Romerosa
- Área de Química Inorgánica-CIESOL, Facultad de Ciencias Experimentales, Universidad de Almería, 04071 Almería, Spain.
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12
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Vidyavathi GT, Vinay Kumar B, Aravinda T, Hani U. Cashew nutshell liquid catalyzed green chemistry approach for synthesis of a Schiff base and its divalent metal complexes: molecular docking and DNA reactivity. NUCLEOSIDES NUCLEOTIDES & NUCLEIC ACIDS 2021; 40:264-287. [PMID: 33402026 DOI: 10.1080/15257770.2020.1868502] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
Abstract
Cashew Nut Shell Liquid (CNSL) anacardic acid was used, for the first time, as a green and natural effective catalyst for the synthesis of a quinoline based amino acid Schiff base ligand from the condensation of 2-hydroxyquinoline-3-carbaldehyde with l-tryptophan via solvent-free simple physical grinding technique. The use of the nontoxic CNSL natural catalyst has many benefits over toxic reagents and the desired product was obtained in high yield in a short reaction time. The procedure employed is simple and does not involve column chromatography. Moreover, a series of metal(II) complexes (metal = iron(II), cobalt(II), nickel(II), and copper(II)) supported by the synthesized new quinoline based amino acid Schiff base ligand (L) has been designed and the compositions of the metal(II) complexes were examined by various analytical techniques. The findings imply that the 2-hydroxyquinoline-3-carbaldehyde amino acid Schiff base (L) serves as a dibasic tridentate ONO ligand and synchronizes with the metal(II) in octahedral geometry in accordance with the general formula [M(LH)2]. Molecular docking study of the metal(II) complexes with B-DNA dodecamer has revealed good binding energy. The conductivity parameters in DMSO suggest the existence of nonelectrolyte species. The interaction of these metal complexes with CT-DNA has shown strong binding via an intercalative mode with a different pattern of DNA binding, while UV-visible photo-induced molecular cleavage analysis against plasmid DNA using agarose gel electrophoresis has revealed that the metal complexes exhibit photo induced nuclease activity.
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Affiliation(s)
- G T Vidyavathi
- Department of Chemistry, RNS Institute of Technology, Channasandra, Bengaluru, Karnataka, India
| | - B Vinay Kumar
- Department of Chemistry, RNS Institute of Technology, Channasandra, Bengaluru, Karnataka, India
| | - T Aravinda
- Department of Chemistry, NITTE Meenakshi Institute of Technology, Yelahanka, Bengaluru, Karnataka, India
| | - U Hani
- Department of Biotechnology, Kuvempu University, Shankaraghatta, Shivamogga, Karnataka, India
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13
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Porchia M, Pellei M, Del Bello F, Santini C. Zinc Complexes with Nitrogen Donor Ligands as Anticancer Agents. Molecules 2020; 25:E5814. [PMID: 33317158 PMCID: PMC7763991 DOI: 10.3390/molecules25245814] [Citation(s) in RCA: 45] [Impact Index Per Article: 11.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/07/2020] [Revised: 12/04/2020] [Accepted: 12/07/2020] [Indexed: 12/15/2022] Open
Abstract
The search for anticancer metal-based drugs alternative to platinum derivatives could not exclude zinc derivatives due to the importance of this metal for the correct functioning of the human body. Zinc, the second most abundant trace element in the human body, is one of the most important micro-elements essential for human physiology. Its ubiquity in thousands of proteins and enzymes is related to its chemical features, in particular its lack of redox activity and its ability to support different coordination geometries and to promote fast ligands exchange. Analogously to other trace elements, the impairment of its homeostasis can lead to various diseases and in some cases can be also related to cancer development. However, in addition to its physiological role, zinc can have beneficial therapeutic and preventive effects on infectious diseases and, compared to other metal-based drugs, Zn(II) complexes generally exert lower toxicity and offer few side effects. Zinc derivatives have been proposed as antitumor agents and, among the great number of zinc coordination complexes which have been described so far, this review focuses on the design, synthesis and biological studies of zinc complexes comprising N-donor ligands and that have been reported within the last five years.
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Affiliation(s)
| | - Maura Pellei
- Chemistry Division, School of Science and Technology, University of Camerino, via S. Agostino 1, 62032 Camerino, Italy;
| | - Fabio Del Bello
- Medicinal Chemistry Unit, School of Pharmacy, University of Camerino, Via S. Agostino 1, 62032 Camerino, Italy;
| | - Carlo Santini
- Chemistry Division, School of Science and Technology, University of Camerino, via S. Agostino 1, 62032 Camerino, Italy;
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14
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Nährig F, Gemmecker G, Chung JY, Hütchen P, Lauk S, Klein MP, Sun Y, Niedner-Schatteburg G, Sitzmann H, Thiel WR. Complexes of Platinum Group Elements Containing the Intrinsically Chiral Cyclopentadienide Ligand (CpC)−1. Organometallics 2020. [DOI: 10.1021/acs.organomet.0c00138] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Affiliation(s)
- Florian Nährig
- Technische Universität Kaiserslautern, Fachbereich Chemie, Erwin-Schrödinger-Str. 54, 67663 Kaiserslautern, Germany
| | - Gerd Gemmecker
- Technische Universität München, BNMRZ, Fakultät für Chemie, Lichtenbergstr. 4, 85748 Garching, Germany
| | - Jae-Yeon Chung
- Technische Universität Kaiserslautern, Fachbereich Chemie, Erwin-Schrödinger-Str. 54, 67663 Kaiserslautern, Germany
| | - Patrick Hütchen
- Technische Universität Kaiserslautern, Fachbereich Chemie, Erwin-Schrödinger-Str. 54, 67663 Kaiserslautern, Germany
| | - Sergej Lauk
- Technische Universität Kaiserslautern, Fachbereich Chemie, Erwin-Schrödinger-Str. 54, 67663 Kaiserslautern, Germany
| | - Matthias P. Klein
- Technische Universität Kaiserslautern, Fachbereich Chemie, Erwin-Schrödinger-Str. 54, 67663 Kaiserslautern, Germany
| | - Yu Sun
- Technische Universität Kaiserslautern, Fachbereich Chemie, Erwin-Schrödinger-Str. 54, 67663 Kaiserslautern, Germany
| | - Gereon Niedner-Schatteburg
- Technische Universität Kaiserslautern, Fachbereich Chemie, Erwin-Schrödinger-Str. 54, 67663 Kaiserslautern, Germany
- Research Center OPTIMAS, Erwin-Schrödinger Str. 46, 67663 Kaiserslautern, Germany
| | - Helmut Sitzmann
- Technische Universität Kaiserslautern, Fachbereich Chemie, Erwin-Schrödinger-Str. 54, 67663 Kaiserslautern, Germany
| | - Werner R. Thiel
- Technische Universität Kaiserslautern, Fachbereich Chemie, Erwin-Schrödinger-Str. 54, 67663 Kaiserslautern, Germany
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15
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Lanorio JP, Frost BJ. Insertion reactions of heteroallenes (CS2 and CO2) into the Ru-H bond of Cp′Ru(PTA)(PR3)H complexes (PTA = 1,3,5-triaza-7-phosphaadamantane). Inorganica Chim Acta 2019. [DOI: 10.1016/j.ica.2019.119138] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
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16
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Pentafluorophenyl Platinum(II) Complexes of PTA and its N-Allyl and N-Benzyl Derivatives: Synthesis, Characterization and Biological Activity. MATERIALS 2019; 12:ma12233907. [PMID: 31779206 PMCID: PMC6926962 DOI: 10.3390/ma12233907] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/10/2019] [Revised: 11/19/2019] [Accepted: 11/22/2019] [Indexed: 12/28/2022]
Abstract
From the well-known 1,3,5-triaza-phosphaadamantane (PTA, 1a), the novel N-allyl and N-benzyl tetrafuoroborate salts 1-allyl-1-azonia-3,5-diaza-7-phosphaadamantane (APTA(BF4), 1b) and 1-benzyl-1-azonia-3,5-diaza-7-phosphaadamantane (BzPTA(BF4), 1c) were obtained. These phosphines were then allowed to react with (Pt(μ-Cl)(C6F5)(tht))2 (tht = tetrahydrothiophene) affording the water soluble Pt(II) complexes trans-(PtCl(C6F5)(PTA)2) (2a) and its bis-cationic congeners trans-(PtCl(C6F5)(APTA)2)(BF4)2 (2b) and trans-(PtCl(C6F5)(BzPTA)2)(BF4)2 (2c). The compounds were fully characterized by multinuclear NMR, ESI-MS, elemental analysis and (for 2a) also by single crystal X-ray diffraction, which proved the trans configuration of the phosphine ligands. Furthermore, in order to evaluate the cytotoxic activities of all complexes the normal human dermal fibroblast (NHDF) cell culture were used. The antineoplastic activity of the investigated compounds was checked against the human lung carcinoma (A549), epithelioid cervix carcinoma (HeLa) and breast adenocarcinoma (MCF-7) cell cultures. Interactions between the complexes and human serum albumin (HSA) using fluorescence spectroscopy and circular dichroism spectroscopy (CD) were also investigated.
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17
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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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18
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Sierra-Martin B, Serrano-Ruiz M, Scalambra F, Fernandez-Barbero A, Romerosa A. Novel Ruthenium-Silver PTA-Based Polymers and Their Behavior in Water. Polymers (Basel) 2019; 11:polym11081249. [PMID: 31357722 PMCID: PMC6724013 DOI: 10.3390/polym11081249] [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: 07/17/2019] [Accepted: 07/25/2019] [Indexed: 12/18/2022] Open
Abstract
New coordination polymers based on two metal-containing moieties Ru–Ag are synthesized: Na[RuCpX(PTA)-μ-(PTA)-1κP:2κ2N-AgX2]∞ (X = Cl (1), Br (2), I (3)). Characterization is performed by NMR, UV-visible and FT-IR spectroscopy, optical-electron microscopy, and elemental analyses (C, H, N, S). Light scattering is employed to characterize the colloidal particles growth by polymer self-assembling. These structures are stable over a broad range of pH and exhibit thermally-driven swelling, thus resembling a typical thermosensitive hydrogel.
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Affiliation(s)
| | - Manuel Serrano-Ruiz
- Inorganic Chemistry Lab-CIESOL, Department of Chemistry and Physics, University of Almeria, 04120 Almeria, Spain
| | - Franco Scalambra
- Inorganic Chemistry Lab-CIESOL, Department of Chemistry and Physics, University of Almeria, 04120 Almeria, Spain
| | - Antonio Fernandez-Barbero
- Department of Chemistry and Physics, University of Almeria, 04120 Almeria, Spain
- Institute of Applied Chemical Sciences, Universidad Autonoma de Chile, 8320000 Santiago, Chile
| | - Antonio Romerosa
- Inorganic Chemistry Lab-CIESOL, Department of Chemistry and Physics, University of Almeria, 04120 Almeria, Spain.
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19
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Scalambra F, Lorenzo‐Luis P, de los Ríos I, Romerosa A. New Findings in Metal Complexes with Antiproliferative Activity Containing 1,3,5‐Triaza‐7‐phosphaadamantane (PTA) and Derivative Ligands. Eur J Inorg Chem 2019. [DOI: 10.1002/ejic.201801426] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Affiliation(s)
- Franco Scalambra
- Área de Química Inorgánica‐CIESOL. Universidad de Almería Carretera Sacramento s/n Almería Spain
| | - Pablo Lorenzo‐Luis
- Sección Química Inorgánica, Departamento de Química Universidad de La Laguna. C/Astrofísico Francisco Sánchez 2 38206 La Laguna (ULL) Spain
| | - Isaac de los Ríos
- Departamento de Ciencia de los Materiales e Ingeniería Metalúrgica y Química Inorgánica Facultad de Ciencias Universidad de Cádiz 11510 Puerto Real (Cádiz) Spain
| | - Antonio Romerosa
- Área de Química Inorgánica‐CIESOL. Universidad de Almería Carretera Sacramento s/n Almería Spain
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20
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Sierra-Martin B, Maldonado-Valdivia A, Serrano-Ruiz M, Romerosa A, Fernandez-Barbero A. PTA-based ruthenium complexes as photosensitizers for dye-sensitized solar cells. Colloids Surf A Physicochem Eng Asp 2018. [DOI: 10.1016/j.colsurfa.2018.06.003] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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21
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Mendoza Z, Lorenzo-Luis P, Scalambra F, Padrón JM, Romerosa A. One Step Up in Antiproliferative Activity: The Ru-Zn Complex [RuCp(PPh3
)2
-µ-dmoPTA-1κP
:2κ2
N
,N′
-ZnCl2
](CF3
SO3
). Eur J Inorg Chem 2018. [DOI: 10.1002/ejic.201800857] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
Affiliation(s)
- Zenaida Mendoza
- Departamento de Química-Sección Química Inorgánica; Universidad de La Laguna (LL); 38206 La Laguna Spain
| | - Pablo Lorenzo-Luis
- Departamento de Química-Sección Química Inorgánica; Universidad de La Laguna (LL); 38206 La Laguna Spain
| | - Franco Scalambra
- Área de Química Inorgánica-CIESOL.; Universidad de Almería; Carretera Sacramento s/n Almería Spain
| | - José M. Padrón
- BioLab; Instituto Universitario de Bio-Orgánica “Antonio González” (IUBO-AG); Universidad de La Laguna; C/Astrofísico Francisco Sánchez 2 38206 La Laguna Spain
| | - Antonio Romerosa
- Área de Química Inorgánica-CIESOL.; Universidad de Almería; Carretera Sacramento s/n Almería Spain
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22
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Self-Organization and Swelling of Ruthenium-Metal Coordination Polymers with PTA (Metal = Ag, Au, Co). Polymers (Basel) 2018; 10:polym10050528. [PMID: 30966562 PMCID: PMC6415399 DOI: 10.3390/polym10050528] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/09/2018] [Revised: 05/09/2018] [Accepted: 05/11/2018] [Indexed: 11/21/2022] Open
Abstract
We present the internal structure and dynamics of novel coordination polymers based on two metal-containing moieties Ru-X (X: Ag, Au, Co), bridged through the phosphine PTA (3,5,7-triaza-phosphaadamantane). X-ray scattering gives the heterometallic polymer organization. Quasi-elastic neutron scattering measurements over a broad temperature range show a transition from vibrational Debye-Waller behavior to a more dynamically active state, but with rather localized motions, coinciding with the loss of structural water at around room temperature. Light scattering reveals that the polymers self-associate to form stable micro-particles in aqueous solution with a thermally driven volume transition. This is described by the Flory theory for polymers in solution, in which the polymer solvency is calculated as a function of the temperature. Polymer self-organization is further studied by small-angle neutron scattering and electron microscopy. A polymer parallel-plane model with gaps controlled by the environmental temperature is proposed.
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23
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Batchelor LK, Berti B, Cesari C, Ciabatti I, Dyson PJ, Femoni C, Iapalucci MC, Mor M, Ruggieri S, Zacchini S. Water soluble derivatives of platinum carbonyl Chini clusters: synthesis, molecular structures and cytotoxicity of [Pt 12(CO) 20(PTA) 4] 2- and [Pt 15(CO) 25(PTA) 5] 2- . Dalton Trans 2018; 47:4467-4477. [PMID: 29504622 DOI: 10.1039/c8dt00228b] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
The reactions of [Pt3n(CO)6n]2- (n = 2-5) homoleptic Chini-type clusters with increasing amounts of 1,3,5-triaza-7-phosphaadamantane (PTA) result in the stepwise substitution of one terminal CO ligand per Pt3 triangular unit up to the formation of [Pt3n(CO)5n(PTA)n]2- (n = 2-5). Competition between the nonredox substitution with retention of the nuclearity and the redox fragmentation to afford lower nuclearity heteroleptic Chini-type clusters is observed as a function of the amount of PTA and the nuclearity of the starting cluster. Because of this, [Pt12(CO)20(PTA)4]2- and [Pt15(CO)25(PTA)5]2- are more conveniently obtained via the oxidation of [Pt9(CO)15(PTA)3]2-. All the new species were spectroscopically characterized, and the structures of [Pt12(CO)20(PTA)4]2- and [Pt15(CO)25(PTA)5]2- were determined by single-crystal X-ray diffraction. These clusters may be viewed as heteroleptic Chini-type clusters composed of stacks of four and five Pt3(μ-CO)3(CO)2(PTA) units, respectively. The solubility in water of [Pt12(CO)20(PTA)4]2- and [Pt15(CO)25(PTA)5]2- has been determined and their cytotoxicity towards human ovarian (A2780) cancer cells and their cisplatin-resistant strain (A2780cisR) has been evaluated.
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Affiliation(s)
- Lucinda K Batchelor
- Institut des Sciences et Ingénierie Chimiques, Ecole Polytechnique Fédérale de Lausanne (EPFL), CH-1015 Lausanne, Switzerland
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24
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Teixeira RG, Brás AR, Côrte-Real L, Tatikonda R, Sanches A, Robalo MP, Avecilla F, Moreira T, Garcia MH, Haukka M, Preto A, Valente A. Novel ruthenium methylcyclopentadienyl complex bearing a bipyridine perfluorinated ligand shows strong activity towards colorectal cancer cells. Eur J Med Chem 2018; 143:503-514. [DOI: 10.1016/j.ejmech.2017.11.059] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/25/2017] [Revised: 11/06/2017] [Accepted: 11/21/2017] [Indexed: 01/04/2023]
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25
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Scalambra F, Serrano-Ruiz M, Romerosa A. Water driven formation of channels: unusual solid-state structural transformation of a heterometallic polymer. Dalton Trans 2018; 47:3588-3595. [DOI: 10.1039/c7dt04515h] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/14/2023]
Abstract
We describe the synthesis of trans-{[(PTA)2CpRu-μ-CN-RuCp(PTA)2-μ-CoCl3]}n·(DMSO)n, and its crystal-to-crystal transformation to its cis isomer, with channels where water is nanoconfined, upon addition of water to the crystallization medium.
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Affiliation(s)
- Franco Scalambra
- Área de Química Inorgánica-CIESOL
- Universidad de Almería
- 04120, Almería
- Spain
| | | | - Antonio Romerosa
- Área de Química Inorgánica-CIESOL
- Universidad de Almería
- 04120, Almería
- Spain
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26
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Udvardy A, Serrano-Ruiz M, Passarelli V, Bolyog-Nagy E, Joó F, Kathó Á, Romerosa A. Synthesis and catalytic activity of new, water-soluble mono- and dinuclear ruthenium(II) complexes containing 1,3,5-triaza-7-phosphaadamantane: Study of the effect of the visible light. Inorganica Chim Acta 2018. [DOI: 10.1016/j.ica.2017.04.054] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/29/2023]
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27
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Hajii L, Saraiba Bello C, Scalambra F, Segovia-Torrente G, Romerosa A, Canella A. Ruthenium complexes containing mPTA and thiopurines bis(8-thiotheophylline)-(CH2)n (n = 1 – 3; mPTA = N-methyl-1,3,5-triaza-7-phosphaadamantane). J COORD CHEM 2017. [DOI: 10.1080/00958972.2017.1311411] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
Affiliation(s)
- Lazhar Hajii
- Área de Química Inorgánica-CIESOL, Facultad de Ciencias Experimentales, Universidad de Almería, Almería, Spain
| | - Cristobal Saraiba Bello
- Área de Química Inorgánica-CIESOL, Facultad de Ciencias Experimentales, Universidad de Almería, Almería, Spain
| | - Franco Scalambra
- Área de Química Inorgánica-CIESOL, Facultad de Ciencias Experimentales, Universidad de Almería, Almería, Spain
| | - Gaspar Segovia-Torrente
- Área de Química Inorgánica-CIESOL, Facultad de Ciencias Experimentales, Universidad de Almería, Almería, Spain
| | - Antonio Romerosa
- Área de Química Inorgánica-CIESOL, Facultad de Ciencias Experimentales, Universidad de Almería, Almería, Spain
| | - A. Canella
- Dipartimento di Biochimica e Biologia Moleculare dell’, Università d Ferrara, Ferrara, Italy
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28
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Scalambra F, Serrano-Ruiz M, Romerosa A. Water and catalytic isomerization of linear allylic alcohols by [RuCp(H2O-κO)(PTA)2]+(PTA = 1,3,5-triaza-7-phosphaadamantane). Dalton Trans 2017; 46:5864-5871. [DOI: 10.1039/c6dt04262g] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/26/2023]
Abstract
The water soluble complex [RuCp(H2O-κO)(PTA)2]+showed to be an excellent catalyst for the isomerization of allylic alcohols from 3-buten-2-ol to 1-octen-3-ol in water, which was mandatory for obtaining the best conversion.
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Affiliation(s)
- Franco Scalambra
- Área de Química Inorgánica-CIESOL
- Facultad de Ciencias
- Universidad de Almería
- Almería
- Spain
| | - Manuel Serrano-Ruiz
- Área de Química Inorgánica-CIESOL
- Facultad de Ciencias
- Universidad de Almería
- Almería
- Spain
| | - Antonio Romerosa
- Área de Química Inorgánica-CIESOL
- Facultad de Ciencias
- Universidad de Almería
- Almería
- Spain
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29
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Easy synthesis and water solubility of ruthenium complexes containing PPh3, mTPPMS, PTA and mPTA, (mTPPMS=meta-triphenyphosphine monosulfonate, PTA=1,3,5-triaza-7-phosphaadamantane, mPTA=N-methyl-1,3,5-triaza-7-phosphaadamantane). Inorganica Chim Acta 2017. [DOI: 10.1016/j.ica.2016.06.019] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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30
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Mendoza Z, Lorenzo-Luis P, Scalambra F, Padrón JM, Romerosa A. Enhancement of the antiproliferative activity of [RuCp(PPh3)2(dmoPTA-1κP)]+via its coordination to one {CoCl2} unit: synthesis, crystal structure and properties of [RuCp(PPh3)2-μ-dmoPTA-1κP:2κ2N,N′-CoCl2](OTf)·0.25H2O. Dalton Trans 2017; 46:8009-8012. [DOI: 10.1039/c7dt01741c] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
Antiproliferative activity up to 354-fold for WiDr-colon cells than cisplatin.
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Affiliation(s)
- Zenaida Mendoza
- Inorganic Chemistry Section
- Chemistry Department
- Faculty of Science
- University of La Laguna
- 38071 La Laguna
| | - Pablo Lorenzo-Luis
- Inorganic Chemistry Section
- Chemistry Department
- Faculty of Science
- University of La Laguna
- 38071 La Laguna
| | - Franco Scalambra
- Área de Química Inorgánica-CIESOL
- Facultad de Ciencias
- Universidad de Almería
- Almería
- Spain
| | - José M. Padrón
- BioLab
- Instituto Universitario de Bio-Orgánica “Antonio González” (IUBO-AG)
- Universidad de La Laguna
- 38206 La Laguna
- Spain
| | - Antonio Romerosa
- Área de Química Inorgánica-CIESOL
- Facultad de Ciencias
- Universidad de Almería
- Almería
- Spain
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31
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Ruthenium(II)-arene complexes with dibenzoylmethane induce apoptotic cell death in multiple myeloma cell lines. Inorganica Chim Acta 2017. [DOI: 10.1016/j.ica.2016.04.031] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
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32
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Synthesis, characterization, X-ray structural determination and theoretical study of the complexes [RuCp(8MTT-κS)LL′] (8MTT=8-methylthio-theophyllinate; L,L′=PTA, mPTA; L=mPTA, L′=PPh3; PTA=1,3,5-triaza-7-phosphaadamantane, mPTA=N-methyl-1,3,5-triaza-7-phosphaadamantane). Inorganica Chim Acta 2017. [DOI: 10.1016/j.ica.2016.05.048] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
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33
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Marozsán N, Horváth H, Erdei A, Joó F. Dehalogenation of organic halides in aqueous media by hydrogen transfer from formate catalyzed by water-soluble Ru(II)-N-heterocyclic carbene complexes. ACTA ACUST UNITED AC 2016. [DOI: 10.1016/j.molcata.2016.09.036] [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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34
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Interactions between proteins and Ru compounds of medicinal interest: A structural perspective. Coord Chem Rev 2016. [DOI: 10.1016/j.ccr.2016.08.001] [Citation(s) in RCA: 88] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
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35
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Mendoza Z, Lorenzo-Luis P, Serrano-Ruiz M, Martín-Batista E, Padrón JM, Scalambra F, Romerosa A. Synthesis and Antiproliferative Activity of [RuCp(PPh3)2(HdmoPTA)](OSO2CF3)2 (HdmoPTA = 3,7-H-3,7-Dimethyl-1,3,7-triaza-5-phosphabicyclo[3.3.1]nonane). Inorg Chem 2016; 55:7820-2. [DOI: 10.1021/acs.inorgchem.6b01207] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Zenaida Mendoza
- Sección
de Química Inorgánica, Departamento de Química,
Facultad de Ciencias, Universidad de La Laguna, C/Astrofísico
Francisco Sánchez 3, La Laguna 38200, Tenerife, Spain
| | - Pablo Lorenzo-Luis
- Sección
de Química Inorgánica, Departamento de Química,
Facultad de Ciencias, Universidad de La Laguna, C/Astrofísico
Francisco Sánchez 3, La Laguna 38200, Tenerife, Spain
| | - Manuel Serrano-Ruiz
- Área
de Química Inorgánica-CIESOL, Facultad de Ciencias, Universidad de Almería, Almería 04120, Spain
| | - Elva Martín-Batista
- BioLab,
Instituto Universitario de Bio-Orgánica “Antonio González”,
Centro de Investigaciones Biomédicas de Canarias, Universidad de La Laguna, C/Astrofísico Francisco Sánchez 2, La Laguna 38200, Tenerife, Spain
| | - José M. Padrón
- BioLab,
Instituto Universitario de Bio-Orgánica “Antonio González”,
Centro de Investigaciones Biomédicas de Canarias, Universidad de La Laguna, C/Astrofísico Francisco Sánchez 2, La Laguna 38200, Tenerife, Spain
| | - Franco Scalambra
- Área
de Química Inorgánica-CIESOL, Facultad de Ciencias, Universidad de Almería, Almería 04120, Spain
| | - Antonio Romerosa
- Área
de Química Inorgánica-CIESOL, Facultad de Ciencias, Universidad de Almería, Almería 04120, Spain
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36
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Scalambra F, Serrano-Ruiz M, Nahim-Granados S, Romerosa A. Ruthenium Complexes Containing 2,2′-Bipyridine and 1,3,5-Triaza-7-phosphaadamantane. Eur J Inorg Chem 2016. [DOI: 10.1002/ejic.201501357] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
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37
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Battistin F, Scaletti F, Balducci G, Pillozzi S, Arcangeli A, Messori L, Alessio E. Water-soluble Ru(II)- and Ru(III)-halide-PTA complexes (PTA=1,3,5-triaza-7-phosphaadamantane): Chemical and biological properties. J Inorg Biochem 2016; 160:180-8. [PMID: 26920229 DOI: 10.1016/j.jinorgbio.2016.02.009] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2015] [Revised: 01/25/2016] [Accepted: 02/10/2016] [Indexed: 11/19/2022]
Abstract
Four structurally related Ru(II)-halide-PTA complexes, of general formula trans- or cis-[Ru(PTA)4X2] (PTA=1,3,5-triaza-7-phosphaadamantane, X=Cl (1, 2), Br (3, 4), were prepared and characterized. Whereas compounds 1 and 2 are known, the corresponding bromo derivatives 3 and 4 are new. The Ru(III)-PTA compound trans-[RuCl4(PTAH)2]Cl (5, PTAH=PTA protonated at one N atom), structurally similar to the well-known Ru(III) anticancer drug candidates (Na)trans-[RuCl4(ind)2] (NKP-1339, ind=indazole) and (Him)trans-[RuCl4(dmso-S)(im)] (NAMI-A, im=imidazole), was also prepared and similarly investigated. Notably, the presence of PTA confers to all complexes an appreciable solubility in aqueous solutions at physiological pH. The chemical behavior of compounds 1-5 in water and in physiological buffer, their interactions with two model proteins - cytochrome c and ribonuclease A - as well as with a single strand oligonucleotide (5'-CGCGCG-3'), and their in vitro cytotoxicity against a human colon cancer cell line (HCT-116) and a myeloid leukemia (FLG 29.1) were investigated. Upon dissolution in the buffer, sequential halide replacement by water molecules was observed for complexes 1-4, with relatively slow kinetics, whereas the Ru(III) complex 5 is more inert. All tested compounds manifested moderate antiproliferative properties, the cis compounds 2 and 4 being slightly more active than the trans ones (1 and 3). Mass spectrometry experiments evidenced that all complexes exhibit a far higher reactivity towards the reference oligonucleotide than towards model proteins. The chemical and biological profiles of compounds 1-5 are compared to those of established ruthenium drug candidates in clinical development.
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Affiliation(s)
- F Battistin
- Department of Chemical and Pharmaceutical Sciences, University of Trieste, Via L. Giorgieri 1, 34127 Trieste, Italy
| | - F Scaletti
- Department of Chemistry "Ugo Schiff", University of Florence, Via della Lastruccia 3-13, 50019 Sesto Fiorentino, Florence, Italy
| | - G Balducci
- Department of Chemical and Pharmaceutical Sciences, University of Trieste, Via L. Giorgieri 1, 34127 Trieste, Italy
| | - S Pillozzi
- Department of Experimental and Clinical Medicine, University of Florence, Viale G.B. Morgagni 50, 50134, Florence, Italy
| | - A Arcangeli
- Department of Experimental and Clinical Medicine, University of Florence, Viale G.B. Morgagni 50, 50134, Florence, Italy
| | - L Messori
- Department of Chemistry "Ugo Schiff", University of Florence, Via della Lastruccia 3-13, 50019 Sesto Fiorentino, Florence, Italy.
| | - E Alessio
- Department of Chemical and Pharmaceutical Sciences, University of Trieste, Via L. Giorgieri 1, 34127 Trieste, Italy.
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38
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Murray BS, Babak MV, Hartinger CG, Dyson PJ. The development of RAPTA compounds for the treatment of tumors. Coord Chem Rev 2016. [DOI: 10.1016/j.ccr.2015.06.014] [Citation(s) in RCA: 266] [Impact Index Per Article: 33.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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39
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Adeniyi AA, Ajibade PA. Development of ruthenium-based complexes as anticancer agents: toward a rational design of alternative receptor targets. REV INORG CHEM 2016. [DOI: 10.1515/revic-2015-0008] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
AbstractIn the search for novel anticancer agents, the development of metal-based complexes that could serve as alternatives to cisplatin and its derivatives has received considerable attention in recent years. This becomes necessary because, at present, cisplatin and its derivatives are the only coordination complexes being used as anticancer agents in spite of inherent serious side effects and their limitation against metastasized platinum-resistant cancer cells. Although many metal ions have been considered as possible alternatives to cisplatin, the most promising are ruthenium (Ru) complexes and two Ru compounds, KP1019 and NAMI-A, which are currently in phase II clinical trials. The major obstacle against the rational design of these compounds is the fact that their mode of action in relation to their therapeutic activities and selectivity is not fully understood. There is an urgent need to develop novel metal-based anticancer agents, especially Ru-based compounds, with known mechanism of actions, probable targets, and pharmacodynamic activity. In this paper, we review the current efforts in developing metal-based anticancer agents based on promising Ru complexes and the development of compounds targeting receptors and then examine the future prospects.
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40
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Synthesis of water-soluble ruthenium clusters by reaction with PTA (1,3,5-triaza-7-phosphaadamantane). J Organomet Chem 2015. [DOI: 10.1016/j.jorganchem.2015.06.015] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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41
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Synthesis and structure of stable water-soluble phosphonium alkanoate zwitterions derived from 1,3,5-triaza-7-phosphaadamantane. Struct Chem 2015. [DOI: 10.1007/s11224-015-0618-4] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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42
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43
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Trudu F, Amato F, Vaňhara P, Pivetta T, Peña-Méndez E, Havel J. Coordination compounds in cancer: Past, present and perspectives. J Appl Biomed 2015. [DOI: 10.1016/j.jab.2015.03.003] [Citation(s) in RCA: 95] [Impact Index Per Article: 10.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023] Open
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44
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Su W, Tang Z, Xiao Q, Li P, Qian Q, Lei X, Huang S, Peng B, Cui J, Huang C. Synthesis, structures, antiproliferative activity of a series of ruthenium(II) arene derivatives of thiosemicarbazones ligands. J Organomet Chem 2015. [DOI: 10.1016/j.jorganchem.2014.12.041] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
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45
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Scalambra F, Serrano-Ruiz M, Romerosa A. First Water-Soluble Backbone Ru-Ru-Ni Heterometallic Organometallic Polymer. Macromol Rapid Commun 2015; 36:689-93. [DOI: 10.1002/marc.201400657] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2014] [Revised: 02/02/2015] [Indexed: 11/12/2022]
Affiliation(s)
- Franco Scalambra
- Área de Química Inorgánica-CIESOL; Universidad de Almería; 04120 Almería Spain
| | - Manuel Serrano-Ruiz
- Área de Química Inorgánica-CIESOL; Universidad de Almería; 04120 Almería Spain
| | - Antonio Romerosa
- Área de Química Inorgánica-CIESOL; Universidad de Almería; 04120 Almería Spain
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46
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González B, del Valle M, Díaz F, Espinosa-Bustos C, Ramírez A, Hernández L. Synthesis and electrochemical characterization of new ruthenium–terthiophene complexes. Polyhedron 2015. [DOI: 10.1016/j.poly.2015.01.019] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
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47
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Menéndez-Pedregal E, Manteca Á, Sánchez J, Díez J, Gamasa MP, Lastra E. Antimicrobial and Antitumor Activity of Enantiopure Pybox-Osmium Complexes. Eur J Inorg Chem 2015. [DOI: 10.1002/ejic.201403173] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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48
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Kuniyasu H, Sanagawa A, Nakajima T, Iwasaki T, Kambe N, Bobuatong K, Ehara M. Halogen exchange by reaction of CpRu(Cl)(PPh3)2 with MeC(O)X (X = Br, I) and its mechanistic study. J Organomet Chem 2014. [DOI: 10.1016/j.jorganchem.2014.06.018] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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49
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Hajji L, Saraiba-Bello C, Serrano-Ruiz M, Romerosa A. Binuclear ruthenium complexes containing mPTA and alkyl-bis(8-thiotheophylline) derivatives (mPTA = N-methyl-1,3,5-triaza-7-phosphaadamantane). J COORD CHEM 2014. [DOI: 10.1080/00958972.2014.947970] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Affiliation(s)
- Lazhar Hajji
- Facultad de Ciencias Experimentales, Área de Química Inorgánica-CIESOL, Universidad de Almería, Almería, Spain
| | - Cristobal Saraiba-Bello
- Facultad de Ciencias Experimentales, Área de Química Inorgánica-CIESOL, Universidad de Almería, Almería, Spain
| | - Manuel Serrano-Ruiz
- Facultad de Ciencias Experimentales, Área de Química Inorgánica-CIESOL, Universidad de Almería, Almería, Spain
| | - Antonio Romerosa
- Facultad de Ciencias Experimentales, Área de Química Inorgánica-CIESOL, Universidad de Almería, Almería, Spain
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50
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Ferretti V, Fogagnolo M, Marchi A, Marvelli L, Sforza F, Bergamini P. Acetylcholine-like and Trimethylglycine-like PTA (1,3,5-Triaza-7-phosphaadamantane) Derivatives for the Development of Innovative Ru- and Pt-Based Therapeutic Agents. Inorg Chem 2014; 53:4881-90. [DOI: 10.1021/ic402953s] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Affiliation(s)
- Valeria Ferretti
- Dipartimento di Scienze Chimiche e Farmaceutiche, Università degli Studi di Ferrara, Via Fossato di Mortara 17, 44121 Ferrara, Italy
| | - Marco Fogagnolo
- Dipartimento di Scienze Chimiche e Farmaceutiche, Università degli Studi di Ferrara, Via Fossato di Mortara 17, 44121 Ferrara, Italy
| | - Andrea Marchi
- Dipartimento di Scienze Chimiche e Farmaceutiche, Università degli Studi di Ferrara, Via Fossato di Mortara 17, 44121 Ferrara, Italy
| | - Lorenza Marvelli
- Dipartimento di Scienze Chimiche e Farmaceutiche, Università degli Studi di Ferrara, Via Fossato di Mortara 17, 44121 Ferrara, Italy
| | - Fabio Sforza
- Dipartimento di Biochimica e Biologia Molecolare, Sezione
di Biologia Molecolare, Università degli Studi di Ferrara, Via Fossato di Mortara 74, 44121 Ferrara, Italy
| | - Paola Bergamini
- Dipartimento di Scienze Chimiche e Farmaceutiche, Università degli Studi di Ferrara, Via Fossato di Mortara 17, 44121 Ferrara, Italy
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