1
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Fulgencio S, Scaccaglia M, Frei A. Exploration of Rhenium Bisquinoline Tricarbonyl Complexes for their Antibacterial Properties. Chembiochem 2024; 25:e202400435. [PMID: 38785033 DOI: 10.1002/cbic.202400435] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/20/2024] [Accepted: 05/23/2024] [Indexed: 05/25/2024]
Abstract
Metal complexes have emerged as a promising source for novel classes of antibacterial agents to combat the rise of antimicrobial resistance around the world. In the exploration of the transition metal chemical space for novel metalloantibiotics, the rhenium tricarbonyl moiety has been identified as a promising scaffold. Here we have prepared eight novel rhenium bisquinoline tricarbonyl complexes and explored their antibacterial properties. Significant activity against both Gram-positive and Gram-negative bacteria was observed. However, all complexes also showed significant toxicity against human cells, putting into question the prospects of this specific rhenium compound class as metalloantibiotics. To better understand their biological effects, we conduct the first mode of action studies on rhenium bisquinoline complexes and show that they are able to form pores through bacterial membranes. Their straight-forward synthesis and tuneability suggests that further optimisation of this compound class could lead to compounds with enhanced bacterial specificity.
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Affiliation(s)
- Sofia Fulgencio
- Department of Chemistry, Biochemistry & Pharmaceutical Sciences, University of Bern, Freiestrasse 3, 3012, Bern, Switzerland
| | - Mirco Scaccaglia
- Department of Chemistry, Biochemistry & Pharmaceutical Sciences, University of Bern, Freiestrasse 3, 3012, Bern, Switzerland
- Department of Chemistry, Life Sciences and Environmental Sustainability, University of Parma, 43124, Parma, Italy
| | - Angelo Frei
- Department of Chemistry, Biochemistry & Pharmaceutical Sciences, University of Bern, Freiestrasse 3, 3012, Bern, Switzerland
- Department of Chemistry, University of York, York, YO10 5DD, U.K
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2
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Lee LCC, Lo KKW. Shining New Light on Biological Systems: Luminescent Transition Metal Complexes for Bioimaging and Biosensing Applications. Chem Rev 2024; 124:8825-9014. [PMID: 39052606 PMCID: PMC11328004 DOI: 10.1021/acs.chemrev.3c00629] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/27/2024]
Abstract
Luminescence imaging is a powerful and versatile technique for investigating cell physiology and pathology in living systems, making significant contributions to life science research and clinical diagnosis. In recent years, luminescent transition metal complexes have gained significant attention for diagnostic and therapeutic applications due to their unique photophysical and photochemical properties. In this Review, we provide a comprehensive overview of the recent development of luminescent transition metal complexes for bioimaging and biosensing applications, with a focus on transition metal centers with a d6, d8, and d10 electronic configuration. We elucidate the structure-property relationships of luminescent transition metal complexes, exploring how their structural characteristics can be manipulated to control their biological behavior such as cellular uptake, localization, biocompatibility, pharmacokinetics, and biodistribution. Furthermore, we introduce the various design strategies that leverage the interesting photophysical properties of luminescent transition metal complexes for a wide variety of biological applications, including autofluorescence-free imaging, multimodal imaging, organelle imaging, biological sensing, microenvironment monitoring, bioorthogonal labeling, bacterial imaging, and cell viability assessment. Finally, we provide insights into the challenges and perspectives of luminescent transition metal complexes for bioimaging and biosensing applications, as well as their use in disease diagnosis and treatment evaluation.
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Affiliation(s)
- Lawrence Cho-Cheung Lee
- Department of Chemistry, City University of Hong Kong, Tat Chee Avenue, Kowloon, Hong Kong, P. R. China
- Laboratory for Synthetic Chemistry and Chemical Biology Limited, Units 1503-1511, 15/F, Building 17W, Hong Kong Science Park, New Territories, Hong Kong, P. R. China
| | - Kenneth Kam-Wing Lo
- Department of Chemistry, City University of Hong Kong, Tat Chee Avenue, Kowloon, Hong Kong, P. R. China
- State Key Laboratory of Terahertz and Millimeter Waves, City University of Hong Kong, Tat Chee Avenue, Kowloon, Hong Kong, P. R. China
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3
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de Lavor TS, Teixeira MHS, de Matos PA, Lino RC, Silva CMF, do Carmo MEG, Beletti ME, Patrocinio AOT, de Oliveira Júnior RJ, Tsubone TM. The impact of biomolecule interactions on the cytotoxic effects of rhenium(I) tricarbonyl complexes. J Inorg Biochem 2024; 257:112600. [PMID: 38759261 DOI: 10.1016/j.jinorgbio.2024.112600] [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: 03/01/2024] [Revised: 04/26/2024] [Accepted: 05/07/2024] [Indexed: 05/19/2024]
Abstract
Rhenium complexes show great promise as anticancer drug candidates. Specifically, compounds with a Re(CO)3(NN)(py)+ core in their architecture have shown cytotoxicity equal to or greater than that of well-established anticancer drugs based on platinum or organic molecules. This study aimed to evaluate how the strength of the interaction between rhenium(I) tricarbonyl complexes fac-[Re(CO)3(NN)(py)]+, NN = 1,10-phenanthroline (phen), dipyrido[3,2-f:2',3'-h]quinoxaline (dpq) or dipyrido[3,2-a:2'3'-c]phenazine (dppz) and biomolecules (protein, lipid and DNA) impacted the corresponding cytotoxic effect in cells. Results showed that fac-[Re(CO)3(dppz)(py)]+ has higher Log Po/w and binding constant (Kb) with biomolecules (protein, lipid and DNA) compared to complexes of fac-[Re(CO)3(phen)(py)]+ and fac-[Re(CO)3(dpq)(py)]+. As consequence, fac-[Re(CO)3(dppz)(py)]+ exhibited the highest cytotoxicity (IC50 = 8.5 μM for HeLa cells) for fac-[Re(CO)3(dppz)(py)]+ among the studied compounds (IC50 > 15 μM). This highest cytotoxicity of fac-[Re(CO)3(dppz)(py)]+ are probably related to its lipophilicity, higher permeation of the lipid bilayers of cells, and a more potent interaction of the dppz ligand with biomolecules (protein and DNA). Our findings open novel avenues for rational drug design and highlight the importance of considering the chemical structures of rhenium complexes that strongly interact with biomolecules (proteins, lipids, and DNA).
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Affiliation(s)
- Tayná Saraiva de Lavor
- Laboratório Interdisciplinar de Fototerapia e Biomoléculas (LIFeBio), Instituto de Química (IQ), Universidade Federal de Uberlândia (UFU), Uberlândia, Minas Gerais, Brazil
| | | | - Patrícia Alves de Matos
- Laboratório Interdisciplinar de Fototerapia e Biomoléculas (LIFeBio), Instituto de Química (IQ), Universidade Federal de Uberlândia (UFU), Uberlândia, Minas Gerais, Brazil
| | - Ricardo Campos Lino
- Laboratório de Citogenética, Instituto de Biotecnologia (IBTEC), Universidade Federal de Uberlândia (UFU), Uberlândia, Minas Gerais, Brazil
| | - Clara Maria Faria Silva
- Laboratório de Citogenética, Instituto de Biotecnologia (IBTEC), Universidade Federal de Uberlândia (UFU), Uberlândia, Minas Gerais, Brazil
| | - Marcos Eduardo Gomes do Carmo
- Laboratory of Photochemistry and Materials Science, Chemistry Institute, Federal University of Uberlândia, Uberlândia, Minas Gerais, Brazil
| | - Marcelo Emílio Beletti
- Instituto de Ciências Biomédicas (ICBIM), Universidade Federal de Uberlândia (UFU), Uberlândia, Minas Gerais, Brazil
| | - Antonio Otavio T Patrocinio
- Laboratory of Photochemistry and Materials Science, Chemistry Institute, Federal University of Uberlândia, Uberlândia, Minas Gerais, Brazil
| | - Robson José de Oliveira Júnior
- Laboratório de Citogenética, Instituto de Biotecnologia (IBTEC), Universidade Federal de Uberlândia (UFU), Uberlândia, Minas Gerais, Brazil.
| | - Tayana Mazin Tsubone
- Laboratório Interdisciplinar de Fototerapia e Biomoléculas (LIFeBio), Instituto de Química (IQ), Universidade Federal de Uberlândia (UFU), Uberlândia, Minas Gerais, Brazil.
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4
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Marco A, Ashoo P, Hernández-García S, Martínez-Rodríguez P, Cutillas N, Vollrath A, Jordan D, Janiak C, Gandía-Herrero F, Ruiz J. Novel Re(I) Complexes as Potential Selective Theranostic Agents in Cancer Cells and In Vivo in Caenorhabditis elegans Tumoral Strains. J Med Chem 2024; 67:7891-7910. [PMID: 38451016 PMCID: PMC11129195 DOI: 10.1021/acs.jmedchem.3c01869] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/2023] [Revised: 02/20/2024] [Accepted: 02/26/2024] [Indexed: 03/08/2024]
Abstract
A series of rhenium(I) complexes of the type fac-[Re(CO)3(N^N)L]0/+, Re1-Re9, was synthesized, where N^N = benzimidazole-derived bidentate ligand with an ester functionality and L = chloride or pyridine-type ligand. The new compounds demonstrated potent activity toward ovarian A2780 cancer cells. The most active complexes, Re7-Re9, incorporating 4-NMe2py, exhibited remarkable activity in 3D HeLa spheroids. The emission in the red region of Re9, which contains an electron-deficient benzothiazole moiety, allowed its operability as a bioimaging tool for in vitro and in vivo visualization. Re9 effectivity was tested in two different C. elegans tumoral strains, JK1466 and MT2124, to broaden the oncogenic pathways studied. The results showed that Re9 was able to reduce the tumor growth in both strains by increasing the ROS production inside the cells. Moreover, the selectivity of the compound toward cancerous cells was remarkable as it did not affect neither the development nor the progeny of the nematodes.
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Affiliation(s)
- Alicia Marco
- Departamento
de Química Inorgánica, Universidad
de Murcia, and Institute for Bio-Health Research of Murcia (IMIB-Arrixaca), E-30100 Murcia, Spain
| | - Pezhman Ashoo
- Departamento
de Química Inorgánica, Universidad
de Murcia, and Institute for Bio-Health Research of Murcia (IMIB-Arrixaca), E-30100 Murcia, Spain
| | - Samanta Hernández-García
- Departamento
de Bioquímica y Biología Molecular A. Unidad Docente
de Biología, Facultad de Veterinaria, Universidad de Murcia, E-30100 Murcia, Spain
| | - Pedro Martínez-Rodríguez
- Departamento
de Bioquímica y Biología Molecular A. Unidad Docente
de Biología, Facultad de Veterinaria, Universidad de Murcia, E-30100 Murcia, Spain
| | - Natalia Cutillas
- Departamento
de Química Inorgánica, Universidad
de Murcia, and Institute for Bio-Health Research of Murcia (IMIB-Arrixaca), E-30100 Murcia, Spain
| | - Annette Vollrath
- Institut
für Anorganische Chemie und Strukturchemie, Heinrich-Heine-Universität Düsseldorf, Universitätsstrasse 1, D-40225 Düsseldorf, Germany
| | - Dustin Jordan
- Institut
für Anorganische Chemie und Strukturchemie, Heinrich-Heine-Universität Düsseldorf, Universitätsstrasse 1, D-40225 Düsseldorf, Germany
| | - Christoph Janiak
- Institut
für Anorganische Chemie und Strukturchemie, Heinrich-Heine-Universität Düsseldorf, Universitätsstrasse 1, D-40225 Düsseldorf, Germany
| | - Fernando Gandía-Herrero
- Departamento
de Bioquímica y Biología Molecular A. Unidad Docente
de Biología, Facultad de Veterinaria, Universidad de Murcia, E-30100 Murcia, Spain
| | - José Ruiz
- Departamento
de Química Inorgánica, Universidad
de Murcia, and Institute for Bio-Health Research of Murcia (IMIB-Arrixaca), E-30100 Murcia, Spain
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5
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Machado I, Gambino D. Metallomics: An Essential Tool for the Study of Potential Antiparasitic Metallodrugs. ACS OMEGA 2024; 9:15744-15752. [PMID: 38617611 PMCID: PMC11007724 DOI: 10.1021/acsomega.3c10200] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/20/2023] [Revised: 03/01/2024] [Accepted: 03/08/2024] [Indexed: 04/16/2024]
Abstract
Metallomics is an emerging area of omics approaches that has grown enormously in the past few years. It integrates research related to metals in biological systems, in symbiosis with genomics and proteomics. These omics approaches can provide in-depth insights into the mechanisms of action of potential metallodrugs, including their physiological metabolism and their molecular targets. Herein, we review the most significant advances concerning cellular uptake and subcellular distribution assays of different potential metallodrugs with activity against Trypanosma cruzi, the protozoan parasite that causes Chagas disease, a pressing health problem in high-poverty areas of Latin America. Furthermore, the first multiomics approaches including metallomics, proteomics, and transcriptomics for the comprehensive study of potential metallodrugs with anti-Trypanosoma cruzi activity are described.
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Affiliation(s)
- Ignacio Machado
- Área
Química Analítica, Facultad de Química, Área Química
Inorgánica, Facultad de Química, Universidad de la República, Montevideo 11800, Uruguay
| | - Dinorah Gambino
- Área
Química Analítica, Facultad de Química, Área Química
Inorgánica, Facultad de Química, Universidad de la República, Montevideo 11800, Uruguay
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6
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Palion-Gazda J, Choroba K, Maroń AM, Malicka E, Machura B. Structural and Photophysical Trends in Rhenium(I) Carbonyl Complexes with 2,2':6',2″-Terpyridines. Molecules 2024; 29:1631. [PMID: 38611910 PMCID: PMC11013590 DOI: 10.3390/molecules29071631] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/25/2024] [Revised: 04/02/2024] [Accepted: 04/04/2024] [Indexed: 04/14/2024] Open
Abstract
This is the first comprehensive review of rhenium(I) carbonyl complexes with 2,2':6',2″-terpyridine-based ligands (R-terpy)-encompassing their synthesis, molecular features, photophysical behavior, and potential applications. Particular attention has been devoted to demonstrating how the coordination mode of 2,2':6',2″-terpyridine (terpy-κ2N and terpy-κ3N), structural modifications of terpy framework (R), and the nature of ancillary ligands (X-mono-negative anion, L-neutral ligand) may tune the photophysical behavior of Re(I) complexes [Re(X/L)(CO)3(R-terpy-κ2N)]0/+ and [Re(X/L)(CO)2(R-terpy-κ3N)]0/+. Our discussion also includes homo- and heteronuclear multicomponent systems with {Re(CO)3(R-terpy-κ2N)} and {Re(CO)2(R-terpy-κ3N)} motifs. The presented structure-property relationships are of high importance for controlling the photoinduced processes in these systems and making further progress in the development of more efficient Re-based luminophores, photosensitizers, and photocatalysts for modern technologies.
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Affiliation(s)
- Joanna Palion-Gazda
- Institute of Chemistry, University of Silesia, 9 Szkolna Str., 40-006 Katowice, Poland; (K.C.); (A.M.M.); (E.M.)
| | | | | | | | - Barbara Machura
- Institute of Chemistry, University of Silesia, 9 Szkolna Str., 40-006 Katowice, Poland; (K.C.); (A.M.M.); (E.M.)
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7
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Kirse TM, Maisuls I, Cappellari MV, Niehaves E, Kösters J, Hepp A, Karst U, Wolcan E, Strassert CA. Neutral and Cationic Re(I) Complexes with Pnictogen-Based Coligands and Tunable Functionality: From Phosphorescence to Photoinduced CO Release. Inorg Chem 2024; 63:4132-4151. [PMID: 38382545 DOI: 10.1021/acs.inorgchem.3c03886] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/23/2024]
Abstract
In this work, we have explored Re(I) complexes featuring triphenylpnictogen (PnPh3, Pn = P, As, or Sb)-based coligands and bidentate (neutral or monoanionic) luminophores derived from 1,10-phenantroline (phen), as well as from 2-(3-(tert-butyl)-1H-1,2,4-triazol-5-yl)pyridine (H(N-tBu)). The effect of the increasingly heavy elements on the structural parameters, photoexcited-state properties, and electrochemical behavior as well as the hybridization defects and polarization of the Pn atoms was related to the charges of the main luminophores (i.e., phen vs N-tBu) and explored in terms of photoluminescence spectroscopy, X-ray diffractometry, and quantum-chemical methods. Therefore, an in-depth analysis of the bonding, crystal packing, excited-state energies, and lifetimes was assessed in liquid solutions, frozen glassy matrices, and crystalline phases along with a semiquantitative photoactivation study. Notably, by changing the main ligand from phen to N-tBu, an increase in radiative and radiationless deactivation rates (kr and knr, respectively) at 77 K together with a faster photoinduced CO release and fragmentation at room temperature was detected. In addition, a progressively red-shifted phosphorescence was observed with the growing atomic number of the pnictogen atom, along with a boost in kr and knr at 77 K. Down the Vth main group and upon coordination of the Pn atom to the Re(I) center, an increasingly prominent jump of s-orbital participation on the binding sxp3.00-orbitals of the Pn atoms is evidenced. Based on these findings, the ability of these complexes to act as tunable photoluminescent labels able to perform as light-driven CO-releasing molecules is envisioned.
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Affiliation(s)
- Thomas M Kirse
- Institut für Anorganische und Analytische Chemie, Universität Münster, Corrensstr. 28/30, 48149 Münster, Germany
- CiMiC, SoN and CeNTech, Universität Münster, Heisenbergstr. 11, 48149 Münster, Germany
| | - Iván Maisuls
- Institut für Anorganische und Analytische Chemie, Universität Münster, Corrensstr. 28/30, 48149 Münster, Germany
- CiMiC, SoN and CeNTech, Universität Münster, Heisenbergstr. 11, 48149 Münster, Germany
| | - María Victoria Cappellari
- Institut für Anorganische und Analytische Chemie, Universität Münster, Corrensstr. 28/30, 48149 Münster, Germany
- CiMiC, SoN and CeNTech, Universität Münster, Heisenbergstr. 11, 48149 Münster, Germany
| | - Erik Niehaves
- Institut für Anorganische und Analytische Chemie, Universität Münster, Corrensstr. 28/30, 48149 Münster, Germany
| | - Jutta Kösters
- Institut für Anorganische und Analytische Chemie, Universität Münster, Corrensstr. 28/30, 48149 Münster, Germany
| | - Alexander Hepp
- Institut für Anorganische und Analytische Chemie, Universität Münster, Corrensstr. 28/30, 48149 Münster, Germany
| | - Uwe Karst
- Institut für Anorganische und Analytische Chemie, Universität Münster, Corrensstr. 28/30, 48149 Münster, Germany
| | - Ezequiel Wolcan
- Instituto de Investigaciones Fisicoquímicas Teóricas y Aplicadas (INIFTA, UNLP, CCT La Plata-CONICET), Diagonal 113 and 64, Sucursal 4, Casilla de Correo 16, La Plata B1906, Argentina
| | - Cristian A Strassert
- Institut für Anorganische und Analytische Chemie, Universität Münster, Corrensstr. 28/30, 48149 Münster, Germany
- CiMiC, SoN and CeNTech, Universität Münster, Heisenbergstr. 11, 48149 Münster, Germany
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8
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Palma E, Santos JF, Fernandes C, Paulo A. DNA-Targeted Complexes of Tc and Re for Biomedical Applications. Chemistry 2024; 30:e202303591. [PMID: 38038361 DOI: 10.1002/chem.202303591] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2023] [Revised: 11/30/2023] [Accepted: 12/01/2023] [Indexed: 12/02/2023]
Abstract
Due to their favorable chemical features, Re and Tc complexes have been widely used for the development of new therapeutic agents and imaging probes to solve problems of biomedical relevance. This review provides an update of the most relevant research efforts towards the development of novel cancer theranostic agents using Re and Tc-based compounds interacting with specific DNA structures. This includes a variety of homometallic complexes, namely those containing M(CO)3 (M=Re, Tc) moieties, that exhibit different modes of interaction with DNA, such as covalent binding, intercalation, groove binding or G-quadruplex DNA binding. Additionally, heterometallic complexes, designed to potentiate synergistic effects of different metal centers to improve DNA-targeting, cytotoxicity and fluorescence properties, are also reviewed. Particular attention is also given to 99m Tc- and 188 Re-labeled oligonucleotides that have been widely explored to develop imaging and therapeutic radiopharmaceuticals through the in vivo hybridization with a specific complementary DNA or RNA target sequence to provide useful molecular tools in precision medicine for cancer diagnosis and treatment. Finally, the need for further improvement of DNA-targeted Re and Tc-based compounds as potential therapeutic and diagnostic agents is highlighted, and future directions are discussed.
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Affiliation(s)
- Elisa Palma
- C2TN - Centro de Ciências e Tecnologias, Nucleares Instituto Superior Técnico, Universidade de Lisboa, Portugal
| | - Joana F Santos
- C2TN - Centro de Ciências e Tecnologias, Nucleares Instituto Superior Técnico, Universidade de Lisboa, Portugal
| | - Célia Fernandes
- C2TN - Centro de Ciências e Tecnologias, Nucleares Instituto Superior Técnico, Universidade de Lisboa, Portugal
- DECN - Departamento de Engenharia e Ciências Nucleares, Instituto Superior Técnico, Universidade de Lisboa, Portugal
| | - António Paulo
- C2TN - Centro de Ciências e Tecnologias, Nucleares Instituto Superior Técnico, Universidade de Lisboa, Portugal
- DECN - Departamento de Engenharia e Ciências Nucleares, Instituto Superior Técnico, Universidade de Lisboa, Portugal
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9
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Palion-Gazda J, Choroba K, Penkala M, Rawicka P, Machura B. Further Insights into the Impact of Ligand-Localized Excited States on the Photophysics of Phenanthroline-Based Rhenium(I) Tricarbonyl Complexes. Inorg Chem 2024; 63:1356-1366. [PMID: 38155540 DOI: 10.1021/acs.inorgchem.3c03894] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2023]
Abstract
The present work shows the pivotal role of N-donor substituents attached to 1,10-phenanthroline at the 4,7-positions in perturbation of ground- and excited-state properties of fac-[ReCl(CO)3(R2phen)]. Excited-state processes occurring upon photoexcitation in the designed systems were thoroughly explored with a wide range of steady-state and time-resolved spectroscopic techniques, including transient absorption, as well as experimental results were complemented by theoretical studies based on the density functional theory (DFT). It was demonstrated that the attachment of six-membered heterocyclic amines (piperidine─ppr, morpholine─mor, and thiomorpholine─tmor) is a very effective tool for extending absorptivity and excited-state lifetimes of resulting fac-[ReCl(CO)3(R2phen)] due to the contribution of the excited state localized on the phenanthroline-based ligand. Both absorption and emission properties of these systems were attributed to configurationally mixed MLCT/IL excited states. Re(I) complexes with phenoxazine (pxz) and phenothiazine (ptz) substituents were shown to possess charge-separated excited states, clearly evidenced by the simultaneous presence of signals typical of phen-* and pxz+* or ptz+* in transient absorption spectra. Both complexes are rare examples of NIR light-emitting coordination compounds. The decoration of the phen framework with less polar 9,9-dimethyl-9,10-dihydroacridine (dmac) groups resulted in the formation of [ReCl(CO)3(R2phen)] with mixed 3MLCT/3ILCT triplet excited state.
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Affiliation(s)
- Joanna Palion-Gazda
- Institute of Chemistry, Faculty of Science and Technology, University of Silesia, Szkolna 9, 40-006 Katowice, Poland
| | - Katarzyna Choroba
- Institute of Chemistry, Faculty of Science and Technology, University of Silesia, Szkolna 9, 40-006 Katowice, Poland
| | - Mateusz Penkala
- Institute of Chemistry, Faculty of Science and Technology, University of Silesia, Szkolna 9, 40-006 Katowice, Poland
| | - Patrycja Rawicka
- Institute of Physics, Faculty of Science and Technology, University of Silesia in Katowice, 75 Pułku Piechoty 1a, 41-500 Chorzów, Poland
| | - Barbara Machura
- Institute of Chemistry, Faculty of Science and Technology, University of Silesia, Szkolna 9, 40-006 Katowice, Poland
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10
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Neumann T, Ramu V, Bertin J, He M, Vervisch C, Coogan MP, Bertrand HC. Rhenium fac-Tricarbonyl Bisimine Chalcogenide Complexes: Synthesis, Photophysical Studies, and Confocal and Time-Resolved Cell Microscopy. Inorg Chem 2024; 63:1197-1213. [PMID: 38164793 DOI: 10.1021/acs.inorgchem.3c03647] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2024]
Abstract
We describe the preparation, characterization, and imaging studies of rhenium carbonyl complexes with a pyta (4-(2-pyridyl)-1,2,3-triazole) or tapy (1-(2-pyridyl)-1,2,3-triazole)-based heteroaromatic N∧N ligand and thiolate or selenoate X ligand. The stability and photophysical properties of the selenolate complexes are compared with parent chloride complexes and previously described analogues with benzenethiolate ligands. Two complexes were imaged in A549 cells upon excitation at 405 nm. Colocalization studies suggest a lysosomal accumulation, while one parent chloride complex was described to localize at the Golgi apparatus. Preliminary fluorescence lifetime measurements and imaging demonstrate potential for application in time-resolved microscopy techniques due to the long and variable lifetimes observed in cellular environments, including an increase in lifetime between the solution and solid state many times larger than previously reported.
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Affiliation(s)
- Till Neumann
- Laboratoire des biomolécules, LBM, Département de chimie, Ecole normale supérieure, PSL University, Sorbonne Université, CNRS, 75005 Paris, France
| | - Vadde Ramu
- Laboratoire des biomolécules, LBM, Département de chimie, Ecole normale supérieure, PSL University, Sorbonne Université, CNRS, 75005 Paris, France
| | - Julie Bertin
- Laboratoire des biomolécules, LBM, Département de chimie, Ecole normale supérieure, PSL University, Sorbonne Université, CNRS, 75005 Paris, France
| | - Menglan He
- Laboratoire des biomolécules, LBM, Département de chimie, Ecole normale supérieure, PSL University, Sorbonne Université, CNRS, 75005 Paris, France
| | - Caitlan Vervisch
- Laboratoire des biomolécules, LBM, Département de chimie, Ecole normale supérieure, PSL University, Sorbonne Université, CNRS, 75005 Paris, France
| | - Michael P Coogan
- Department of Chemistry, University of Lancaster, Lancaster LA1 4YB, United Kingdom
| | - Helene C Bertrand
- Laboratoire des biomolécules, LBM, Département de chimie, Ecole normale supérieure, PSL University, Sorbonne Université, CNRS, 75005 Paris, France
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11
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Graziotto ME, Kidman CJ, Adair LD, James SA, Harris HH, New EJ. Towards multimodal cellular imaging: optical and X-ray fluorescence. Chem Soc Rev 2023; 52:8295-8318. [PMID: 37910139 DOI: 10.1039/d3cs00509g] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2023]
Abstract
Imaging techniques permit the study of the molecular interactions that underlie health and disease. Each imaging technique collects unique chemical information about the cellular environment. Multimodal imaging, using a single probe that can be detected by multiple imaging modalities, can maximise the information extracted from a single cellular sample by combining the results of different imaging techniques. Of particular interest in biological imaging is the combination of the specificity and sensitivity of optical fluorescence microscopy (OFM) with the quantitative and element-specific nature of X-ray fluorescence microscopy (XFM). Together, these techniques give a greater understanding of how native elements or therapeutics affect the cellular environment. This review focuses on recent studies where both techniques were used in conjunction to study cellular systems, demonstrating the breadth of biological models to which this combination of techniques can be applied and the potential for these techniques to unlock untapped knowledge of disease states.
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Affiliation(s)
- Marcus E Graziotto
- School of Chemistry, The University of Sydney, Sydney, NSW, 2006, Australia.
| | - Clinton J Kidman
- Department of Chemistry, The University of Adelaide, Adelaide, SA, 5005, Australia
| | - Liam D Adair
- School of Chemistry, The University of Sydney, Sydney, NSW, 2006, Australia.
- Sydney Nano Institute, The University of Sydney, Sydney, NSW, 2006, Australia
- Australian Research Council Centre of Excellence for Innovations in Peptide and Protein Science, The University of Sydney, Sydney, NSW, 2006, Australia
| | - Simon A James
- Australian Nuclear Science and Technology Organisation, Clayton, Victoria, 3168, Australia
| | - Hugh H Harris
- Department of Chemistry, The University of Adelaide, Adelaide, SA, 5005, Australia
| | - Elizabeth J New
- School of Chemistry, The University of Sydney, Sydney, NSW, 2006, Australia.
- Sydney Nano Institute, The University of Sydney, Sydney, NSW, 2006, Australia
- Australian Research Council Centre of Excellence for Innovations in Peptide and Protein Science, The University of Sydney, Sydney, NSW, 2006, Australia
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12
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Das R, Paira P. GSH resistant, luminescent 2-(pyren-1-yl)-1 H-imidazo[4,5- f][1,10]phenanthroline-based Ru(II)/Ir(III)/Re(I) complexes for phototoxicity in triple-negative breast cancer cells. Dalton Trans 2023; 52:15365-15376. [PMID: 37493615 DOI: 10.1039/d3dt01667f] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/27/2023]
Abstract
Selective chemotherapeutic strategies necessitate the emergence of a photosensitive scaffold to abate the nuisance of cancer. In the current context, photo-activated chemotherapy (PACT) has, therefore, appeared to be very effective to vanquish the vehemence of triple-negative breast cancer (TNBC). Metal complexes have been identified to act well against cancer cell microenvironment (high GSH content, low pH, and hypoxia), and thus they have been employed in the treatment of various types of cancer. As TNBC is very challenging to treat owing to its poor prognosis, lack of a specific target, high chance of relapse, and strong metastatic ability, herein we have aspired to design GSH-resistant phototoxic Ru(II)/Ir(III)/Re(I) based pyrene imidazophenathroline complexes to selectively avert the triple-negative breast cancer. The application of complexes, [RuL], [IrL], and [ReL] in the absence and in the presence of GSH against MDA-MB-231TNBC cells, has revealed that they are very active upon irradiation of visible light compared to dark due to the creation of copious singlet oxygen (1O2) as reactive oxygen species (ROS). Among three synthesized complexes, [IrL] has shown outstanding potency (IC50 = 3.70 in the absence of GSH and IC50 = 3.90 in the presence of GSH). Also, the complex, [IrL] is capable of interacting with DNA with the highest binding constant (Kb = 0.023 × 106 M-1) along with higher protein binding affinity (KBSA = 0.0321 × 106 M-1). Here, it has been unveiled that all the complexes have been entitled to involve DNA covalent interaction through the available sites of both adenine and guanine bases.
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Affiliation(s)
- Rishav Das
- Department of Chemistry, School of advanced sciences, Vellore Institute of Technology, Vellore-632014, Tamilnadu, India.
| | - Priyankar Paira
- Department of Chemistry, School of advanced sciences, Vellore Institute of Technology, Vellore-632014, Tamilnadu, India.
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13
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Qi Q, Wang Q, Li Y, Silva DZ, Ruiz MEL, Ouyang R, Liu B, Miao Y. Recent Development of Rhenium-Based Materials in the Application of Diagnosis and Tumor Therapy. Molecules 2023; 28:molecules28062733. [PMID: 36985704 PMCID: PMC10051626 DOI: 10.3390/molecules28062733] [Citation(s) in RCA: 15] [Impact Index Per Article: 15.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2023] [Revised: 03/12/2023] [Accepted: 03/14/2023] [Indexed: 03/22/2023] Open
Abstract
Rhenium (Re) is widely used in the diagnosis and treatment of cancer due to its unique physical and chemical properties. Re has more valence electrons in its outer shell, allowing it to exist in a variety of oxidation states and to form different geometric configurations with many different ligands. The luminescence properties, lipophilicity, and cytotoxicity of complexes can be adjusted by changing the ligand of Re. This article mainly reviews the development of radionuclide 188Re in radiotherapy and some innovative applications of Re as well as the different therapeutic approaches and imaging techniques used in cancer therapy. In addition, the current application and future challenges and opportunities of Re are also discussed.
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Affiliation(s)
- Qingwen Qi
- School of Materials and Chemistry, Institute of Bismuth and Rhenium, University of Shanghai for Science and Technology, Shanghai 200093, China; (Q.Q.); (Q.W.); (R.O.)
| | - Qian Wang
- School of Materials and Chemistry, Institute of Bismuth and Rhenium, University of Shanghai for Science and Technology, Shanghai 200093, China; (Q.Q.); (Q.W.); (R.O.)
| | - Yuhao Li
- School of Materials and Chemistry, Institute of Bismuth and Rhenium, University of Shanghai for Science and Technology, Shanghai 200093, China; (Q.Q.); (Q.W.); (R.O.)
- USST-UH International Joint Laboratory for Tumor Diagnosis and Energy Treatment, University of Shanghai for Science and Technology, Shanghai 200093, China; (M.E.L.R.); (B.L.)
- Correspondence: (Y.L.); (D.Z.S.); (Y.M.)
| | - Dionisio Zaldivar Silva
- USST-UH International Joint Laboratory for Tumor Diagnosis and Energy Treatment, University of Shanghai for Science and Technology, Shanghai 200093, China; (M.E.L.R.); (B.L.)
- Faculty of Biology, University of Havana, Havana 10400, Cuba
- Correspondence: (Y.L.); (D.Z.S.); (Y.M.)
| | - Maria Eliana Lanio Ruiz
- USST-UH International Joint Laboratory for Tumor Diagnosis and Energy Treatment, University of Shanghai for Science and Technology, Shanghai 200093, China; (M.E.L.R.); (B.L.)
- Faculty of Biology, University of Havana, Havana 10400, Cuba
| | - Ruizhuo Ouyang
- School of Materials and Chemistry, Institute of Bismuth and Rhenium, University of Shanghai for Science and Technology, Shanghai 200093, China; (Q.Q.); (Q.W.); (R.O.)
- USST-UH International Joint Laboratory for Tumor Diagnosis and Energy Treatment, University of Shanghai for Science and Technology, Shanghai 200093, China; (M.E.L.R.); (B.L.)
| | - Baolin Liu
- USST-UH International Joint Laboratory for Tumor Diagnosis and Energy Treatment, University of Shanghai for Science and Technology, Shanghai 200093, China; (M.E.L.R.); (B.L.)
- School of Health Science and Engineering, University of Shanghai for Science and Technology, Shanghai 200093, China
| | - Yuqing Miao
- School of Materials and Chemistry, Institute of Bismuth and Rhenium, University of Shanghai for Science and Technology, Shanghai 200093, China; (Q.Q.); (Q.W.); (R.O.)
- USST-UH International Joint Laboratory for Tumor Diagnosis and Energy Treatment, University of Shanghai for Science and Technology, Shanghai 200093, China; (M.E.L.R.); (B.L.)
- Correspondence: (Y.L.); (D.Z.S.); (Y.M.)
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14
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Rhenium(I)-tricarbonyl complexes with methimazole and its selenium analogue: Syntheses, characterization and cell toxicity. J Inorg Biochem 2023; 240:112092. [PMID: 36549168 DOI: 10.1016/j.jinorgbio.2022.112092] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2022] [Revised: 11/24/2022] [Accepted: 12/02/2022] [Indexed: 12/12/2022]
Abstract
This study explores the effect of a thione/selone ligand on the cell toxicity (in vitro) and light activity of diimine Re(CO)3+ complexes. Six rhenium(I) complexes with general formula fac-[Re(CO)3(N,N')X]+ were prepared, where X = 2-mercapto-1-methylimidazole (methimazole; MMI), and 1-methylimidazole-2-selone (MSeI); N,N' = 2,2'-bipyridine (bpy), 1,10-phenanthroline (phen) and 2,9-dimethyl-1,10-phenanthroline (dmphen). Their triflate salts were characterized using single-crystal X-ray diffraction, 1H, 13C and 2D NMR, UV-vis and vibrational spectroscopy. Their cytotoxic properties were tested, showing significant cytotoxicity (IC50 = 8.0-55 μM) towards the human breast cancer cell line MDA-MB-231. The half-inhibitory concentration (IC50) for fac-[Re(CO)3(dmphen)(MMI)]+, the most toxic complex in this series (8.0 ± 0.2 μM), was comparable to that of the corresponding aqua complex fac-[Re(CO)3(dmphen)(H2O)]+ with IC50 = 6.0 ± 0.1 μM. The fac-[Re(CO)3(bpy)(MMI/MSeI)]+ complexes were somewhat less toxic towards the human embryonic kidney cell line HEK-293 T after 48 h of exposure. The stability of the complexes upon irradiation was monitored using UV-vis spectroscopy, with no CO released when exposed to UV-A light (λ = 365 nm).
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15
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Soba M, Scalese G, Casuriaga F, Pérez N, Veiga N, Echeverría GA, Piro OE, Faccio R, Pérez-Díaz L, Gasser G, Machado I, Gambino D. Multifunctional organometallic compounds for the treatment of Chagas disease: Re(I) tricarbonyl compounds with two different bioactive ligands. Dalton Trans 2023; 52:1623-1641. [PMID: 36648116 DOI: 10.1039/d2dt03869b] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023]
Abstract
Chagas' disease (American Trypanosomiasis) is an ancient and endemic illness in Latin America caused by the protozoan parasite Trypanosoma cruzi. Although there is an urgent need for more efficient and less toxic chemotherapeutics, no new drugs to treat this disease have entered the clinic in the last decades. Searching for metal-based prospective antichagasic drugs, in this work, multifunctional Re(I) tricarbonyl compounds bearing two different bioactive ligands were designed: a polypyridyl NN derivative of 1,10-phenanthroline and a monodentate azole (Clotrimazole CTZ or Ketoconazol KTZ). Five fac-[Re(CO)3(NN)(CTZ)](PF6) compounds and a fac-[Re(CO)3(NN)(KTZ)](PF6) were synthesized and fully characterized. They showed activity against epimastigotes (IC50 3.48-9.42 μM) and trypomastigotes of T. cruzi (IC50 0.61-2.79 μM) and moderate to good selectivity towards the parasite compared to the VERO mammalian cell model. In order to unravel the mechanism of action of our compounds, two potential targets were experimentally and theoretically studied, namely DNA and one of the enzymes involved in the parasite ergosterol biosynthetic pathway, CYP51 (lanosterol 14-α-demethylase). As hypothesized, the multifunctional compounds shared in vitro a similar mode of action as that disclosed for the single bioactive moieties included in the new chemical entities. Additionally, two relevant physicochemical properties of biological interest in prospective drug development, namely lipophilicity and stability in solution in different media, were determined. The whole set of results demonstrates the potentiality of these Re(I) tricarbonyls as promising candidates for further antitrypanosomal drug development.
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Affiliation(s)
- Mariano Soba
- Área Química Inorgánica, DEC, Facultad de Química, Universidad de la República, Uruguay. .,Programa de Posgrado en Química, Facultad de Química, Universidad de la República, Montevideo, Uruguay
| | - Gonzalo Scalese
- Área Química Inorgánica, DEC, Facultad de Química, Universidad de la República, Uruguay.
| | - Federico Casuriaga
- Área Química Inorgánica, DEC, Facultad de Química, Universidad de la República, Uruguay.
| | - Nicolás Pérez
- Área Química Inorgánica, DEC, Facultad de Química, Universidad de la República, Uruguay.
| | - Nicolás Veiga
- Área Química Inorgánica, DEC, Facultad de Química, Universidad de la República, Uruguay.
| | - Gustavo A Echeverría
- Departamento de Física, Facultad de Ciencias Exactas, Universidad Nacional de La Plata and Institute IFLP (CONICET, CCT-La Plata), La Plata, Argentina
| | - Oscar E Piro
- Departamento de Física, Facultad de Ciencias Exactas, Universidad Nacional de La Plata and Institute IFLP (CONICET, CCT-La Plata), La Plata, Argentina
| | - Ricardo Faccio
- Área Física, DETEMA, Facultad de Química, Universidad de la República, Uruguay
| | - Leticia Pérez-Díaz
- Laboratorio de Interacciones Moleculares, Facultad de Ciencias, Universidad de la República, Uruguay
| | - Gilles Gasser
- Chimie ParisTech, PSL University, CNRS, Institute of Chemistry for Life and Health Sciences, Laboratory for Inorganic Chemical Biology, France
| | - Ignacio Machado
- Área Química Analítica, DEC, Facultad de Química, Universidad de la República, Uruguay.
| | - Dinorah Gambino
- Área Química Inorgánica, DEC, Facultad de Química, Universidad de la República, Uruguay.
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16
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Karges J, Giardini MA, Blacque O, Woodworth B, Siqueira-Neto JL, Cohen SM. Enantioselective inhibition of the SARS-CoV-2 main protease with rhenium(i) picolinic acid complexes. Chem Sci 2023; 14:711-720. [PMID: 36741526 PMCID: PMC9848156 DOI: 10.1039/d2sc05473f] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/01/2022] [Accepted: 12/12/2022] [Indexed: 12/14/2022] Open
Abstract
Infections of the severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) have triggered a global pandemic with millions of deaths worldwide. Herein, the synthesis of functionalized Re(i) tricarbonyl complexes as inhibitors of the SARS-CoV-2 main protease, also referred to as the 3-chymotrypsin-like protease (3CLpro), is presented. The metal complexes were found to inhibit the activity of the enzyme with IC50 values in the low micromolar range. Mass spectrometry revealed that the metal complexes formed a coordinate covalent bond with the enzyme. Chiral separation of the enantiomers of the lead compound showed that one enantiomer was significantly more active than the other, consistent with specific binding and much like that observed for conventional organic small molecule inhibitors and druglike compounds. Evaluation of the lead compound against SARS-CoV-2 in a cell-based infection assay confirmed enantiospecific inhibition against the virus. This study represents a significant advancement in the use of metal complexes as coordinate covalent inhibitors of enzymes, as well as a novel starting point for the development of novel SARS-CoV-2 inhibitors.
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Affiliation(s)
- Johannes Karges
- Department of Chemistry and Biochemistry, University of CaliforniaLa JollaSan DiegoCalifornia 92093USA
| | - Miriam A. Giardini
- Skaggs School of Pharmacy and Pharmaceutical Sciences, University of CaliforniaLa JollaSan DiegoCalifornia 92093USA
| | - Olivier Blacque
- Department of Chemistry, University of ZurichWinterthurerstrasse 190CH-8057ZurichSwitzerland
| | - Brendon Woodworth
- Department of Medicine, Division of Infectious Diseases, University of California San DiegoLa JollaCalifornia 92093USA
| | - Jair L. Siqueira-Neto
- Skaggs School of Pharmacy and Pharmaceutical Sciences, University of CaliforniaLa JollaSan DiegoCalifornia 92093USA
| | - Seth M. Cohen
- Department of Chemistry and Biochemistry, University of CaliforniaLa JollaSan DiegoCalifornia 92093USA
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17
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Mansour AM, Ibrahim NM, Farag AM, Abo-Elfadl MT. Evaluation of cytotoxic properties of two fluorescent fac-Re(CO) 3 complexes bearing an N, N-bidentate benzimidazole coligand. RSC Adv 2022; 12:30829-30837. [PMID: 36349156 PMCID: PMC9608107 DOI: 10.1039/d2ra05992d] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2022] [Accepted: 10/19/2022] [Indexed: 01/24/2023] Open
Abstract
The reaction between 1H-benzimidazol-2-ylmethyl-(N-aryl)amine derivatives (LR) and [ReBr(CO)5] afforded octahedral Re(i) complexes of the general formula of [ReBr(CO)3LR] (R = 4-Cl and 4-COOCH3). The Re(i) complexes were screened for their potential cytotoxicity against three malignant cell lines and one normal cell line of different origins. The solvatochromic characteristics of the complexes were examined by UV/vis. spectroscopy with the aid of time-dependent density functional theory calculations. Strong autofluorescence emission can be seen in the two Re(i) complexes between 460 and 488 nm. They appeared to accumulate inside intercellular connections and surrounding cellular membranes. The substances gathered also, along the cell membrane, waiting for their entry. The mode of cell death staining and the DNA fragmentation analysis revealed that the 4-Cl complex showed increased apoptotic changes in the MCF-7, and the Caco-2 cell line, while the HepG2 cell line showed little apoptotic changes.
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Affiliation(s)
- Ahmed M. Mansour
- Department of Chemistry, Faculty of Science, Cairo UniversityGamma StreetGizaCairo 12613Egypt
| | - Nourhan M. Ibrahim
- Department of Chemistry, Faculty of Science, Cairo UniversityGamma StreetGizaCairo 12613Egypt
| | - Ahmad M. Farag
- Department of Chemistry, Faculty of Science, Cairo UniversityGamma StreetGizaCairo 12613Egypt
| | - Mahmoud T. Abo-Elfadl
- Cancer Biology and Genetics Laboratory, Centre of Excellence for Advanced Sciences, National Research CentreDokkiCairo 12622Egypt,Biochemistry Department, Biotechnology Research Institute, National Research CentreDokkiCairo 12622Egypt
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18
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Photoinduced Processes in Rhenium(I) Terpyridine Complexes Bearing Remote Amine Groups: New Insights from Transient Absorption Spectroscopy. Molecules 2022; 27:molecules27217147. [DOI: 10.3390/molecules27217147] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/08/2022] [Revised: 10/18/2022] [Accepted: 10/19/2022] [Indexed: 11/07/2022] Open
Abstract
Photophysical properties of two Re(I) complexes [ReCl(CO)3(R-C6H4-terpy-κ2N)] with remote amine groups, N-methyl-piperazinyl (1) and (2-cyanoethyl)methylamine (2), were investigated. The complexes show strong absorption in the visible region corresponding to metal-to-ligand charge transfer (1MLCT) and intraligand-charge-transfer (1ILCT) transitions. The energy levels of 3MLCT and 3ILCT excited-states, and thus photoluminescence properties of 1 and 2, were found to be strongly affected by the solvent polarity. Compared to the parent chromophore [ReCl(CO)3(C6H5-terpy-κ2N)] (3), both designed complexes show significantly prolonged (by 1–2 orders of magnitude) phosphorescence lifetimes in acetonitrile and dimethylformamide, contrary to their lifetimes in less polar chloroform and tetrahydrofuran, which are comparable to those for 3. The femtosecond transient absorption (fsTA) measurements confirmed the interconversion between the 3MLCT and 3ILCT excited-states in polar solvents. In contrast, the emissive state of 1 and 2 in less polar environments is of predominant 3MLCT nature.
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19
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Zoumpoulaki M, Schanne G, Delsuc N, Preud'homme H, Quévrain E, Eskenazi N, Gazzah G, Guillot R, Seksik P, Vinh J, Lobinski R, Policar C. Deciphering the Metal Speciation in Low‐Molecular‐Weight Complexes by IMS‐MS: Application to the Detection of Manganese Superoxide Dismutase Mimics in Cell Lysates. Angew Chem Int Ed Engl 2022; 61:e202203066. [DOI: 10.1002/anie.202203066] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2022] [Indexed: 11/09/2022]
Affiliation(s)
- Martha Zoumpoulaki
- Laboratoire des biomolécules (LBM) Département de chimie École normale supérieure PSL University, Sorbonne Université, CNRS 75005 Paris France
- SMBP ESPCI Paris PSL University, UMR 8249 CNRS France
- Centre de Recherche de Saint-Antoine, INSERM, UMRS 938 Sorbonne University, INSERM 75012 Paris France
| | - Gabrielle Schanne
- Laboratoire des biomolécules (LBM) Département de chimie École normale supérieure PSL University, Sorbonne Université, CNRS 75005 Paris France
- Centre de Recherche de Saint-Antoine, INSERM, UMRS 938 Sorbonne University, INSERM 75012 Paris France
| | - Nicolas Delsuc
- Laboratoire des biomolécules (LBM) Département de chimie École normale supérieure PSL University, Sorbonne Université, CNRS 75005 Paris France
| | | | - Elodie Quévrain
- Laboratoire des biomolécules (LBM) Département de chimie École normale supérieure PSL University, Sorbonne Université, CNRS 75005 Paris France
| | | | - Géraldine Gazzah
- Laboratoire des biomolécules (LBM) Département de chimie École normale supérieure PSL University, Sorbonne Université, CNRS 75005 Paris France
| | - Regis Guillot
- ICMMO UMR CNRS 8182 Université Paris-Saclay 91405 Orsay France
| | - Philippe Seksik
- Centre de Recherche de Saint-Antoine, INSERM, UMRS 938 Sorbonne University, INSERM 75012 Paris France
- Gastroenterology Department Saint-Antoine Hospital Sorbonne Université, APHP Paris France
| | - Joelle Vinh
- SMBP ESPCI Paris PSL University, UMR 8249 CNRS France
| | - Ryszard Lobinski
- Universite de Pau, CNRS, E2S, IPREM-UMR5254, Hélioparc 64053 Pau France
- Chair of Analytical Chemistry Warsaw University of Technology, Noakowskiego 3 00-664 Warsaw Poland
| | - Clotilde Policar
- Laboratoire des biomolécules (LBM) Département de chimie École normale supérieure PSL University, Sorbonne Université, CNRS 75005 Paris France
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20
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Małecka M, Szlapa-Kula A, Maroń AM, Ledwon P, Siwy M, Schab-Balcerzak E, Sulowska K, Maćkowski S, Erfurt K, Machura B. Impact of the Anthryl Linking Mode on the Photophysics and Excited-State Dynamics of Re(I) Complexes [ReCl(CO) 3(4′-An-terpy-κ 2N)]. Inorg Chem 2022; 61:15070-15084. [PMID: 36101987 PMCID: PMC9516691 DOI: 10.1021/acs.inorgchem.2c02160] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
![]()
Rhenium(I) complexes with 2,2′:6′,2″-terpyridines
(terpy) substituted with 9-anthryl (1) and 2-anthryl
(2) were synthesized, and the impact of the anthryl linking
mode on the ground- and excited-state properties of resulting complexes
[ReCl(CO)3(4′-An-terpy-κ2N)] (An—anthryl)
was investigated using a combination of steady-state and time-resolved
optical techniques accompanied by theoretical calculations. Different
attachment positions of anthracene modify the overlap between the
molecular orbitals and thus the electronic coupling of the anthracene
and {ReCl(CO)3(terpy-κ2N)} chromophores.
Following the femtosecond transient absorption, the lowest triplet
excited state of both complexes was found to be localized on the anthracene
chromophore. The striking difference between 1 and 2 concerns the triplet-state formation dynamics. A more planar
geometry of 2-anthryl-terpy (2), and thus better electronic
communication between the anthracene and {ReCl(CO)3(terpy-κ2N)} chromophores, facilitates the formation of the 3An triplet state. In steady-state photoluminescence spectra, the
population ratio of 3MLCT and 3An was found
to be dependent not only on the anthryl linking mode but also on solvent
polarity and excitation wavelengths. In dimethyl sulfoxide (DMSO),
compounds 1 and 2 excited with λexc > 410 nm show both 3MLCT and 3An
emissions, which are rarely observed. Additionally, the abilities
of the designed complexes for 1O2 generation
and light emission under the external voltage were preliminary examined. The impact of the anthryl linking mode
on the ground- and
excited-state properties of [ReCl(CO)3(4′-An-terpy-κ2N)] with 2,2′:6′,2″-terpyridines (terpy)
substituted with 9-anthryl (1) and 2-anthryl (2) was thoroughly investigated. Different attachment positions of
anthracene were evidenced to modify the overlap between the molecular
orbitals and electronic coupling of the anthracene and {ReCl(CO)3(terpy-κ2N)} chromophores and thus the optical
properties of the resulting complexes. The striking difference between 1 and 2 was demonstrated in the triplet-state
formation dynamics.
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Affiliation(s)
- Magdalena Małecka
- Institute of Chemistry, University of Silesia, 9th Szkolna Street, 40-006 Katowice, Poland
| | - Agata Szlapa-Kula
- Institute of Chemistry, University of Silesia, 9th Szkolna Street, 40-006 Katowice, Poland
| | - Anna M. Maroń
- Institute of Chemistry, University of Silesia, 9th Szkolna Street, 40-006 Katowice, Poland
| | - Przemyslaw Ledwon
- Department of Physical Chemistry and Technology of Polymers, Silesian University of Technology, Strzody 9, 44-100 Gliwice, Poland
| | - Mariola Siwy
- Centre of Polymer and Carbon Materials, Polish Academy of Sciences, 34 M. Curie-Sklodowska Street, 41-819 Zabrze, Poland
| | - Ewa Schab-Balcerzak
- Institute of Chemistry, University of Silesia, 9th Szkolna Street, 40-006 Katowice, Poland
- Centre of Polymer and Carbon Materials, Polish Academy of Sciences, 34 M. Curie-Sklodowska Street, 41-819 Zabrze, Poland
| | - Karolina Sulowska
- Nanophotonics Group, Institute of Physics, Faculty of Physics, Astronomy and Informatics, Nicolaus Copernicus University, 5 Grudziadzka Street, 87-100 Torun, Poland
| | - Sebastian Maćkowski
- Nanophotonics Group, Institute of Physics, Faculty of Physics, Astronomy and Informatics, Nicolaus Copernicus University, 5 Grudziadzka Street, 87-100 Torun, Poland
| | - Karol Erfurt
- Department of Chemical Organic Technology and Petrochemistry, Silesian University of Technology, Krzywoustego 4, 44-100 Gliwice, Poland
| | - Barbara Machura
- Institute of Chemistry, University of Silesia, 9th Szkolna Street, 40-006 Katowice, Poland
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21
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Holzhauer L, Liagre C, Fuhr O, Jung N, Bräse S. Scope of tetrazolo[1,5- a]quinoxalines in CuAAC reactions for the synthesis of triazoloquinoxalines, imidazoloquinoxalines, and rhenium complexes thereof. Beilstein J Org Chem 2022; 18:1088-1099. [PMID: 36105720 PMCID: PMC9443424 DOI: 10.3762/bjoc.18.111] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2022] [Accepted: 07/20/2022] [Indexed: 11/23/2022] Open
Abstract
The conversion of tetrazolo[1,5-a]quinoxalines to 1,2,3-triazoloquinoxalines and triazoloimidazoquinoxalines under typical conditions of a CuAAC reaction has been investigated. Derivatives of the novel compound class of triazoloimidazoquinoxalines (TIQ) and rhenium(I) triazoloquinoxaline complexes as well as a new TIQ rhenium complex were synthesized. As a result, a small 1,2,3-triazoloquinoxaline library was obtained and the method could be expanded towards 4-substituted tetrazoloquinoxalines. The compatibility of various aliphatic and aromatic alkynes towards the reaction was investigated and the denitrogenative annulation towards imidazoloquinoxalines could be observed as a competing reaction depending on the alkyne concentration and the substitutions at the quinoxaline.
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Affiliation(s)
- Laura Holzhauer
- Institute of Biological and Chemical Systems, Karlsruhe Institute of Technology, Hermann-von-Helmholtz-Platz 1, 76344 Eggenstein-Leopoldshafen, Germany
| | - Chloé Liagre
- Institute of Biological and Chemical Systems, Karlsruhe Institute of Technology, Hermann-von-Helmholtz-Platz 1, 76344 Eggenstein-Leopoldshafen, Germany
| | - Olaf Fuhr
- Institute of Nanotechnology, Karlsruhe Institute of Technology, Hermann-von-Helmholtz-Platz 1, 76344 Eggenstein-Leopoldshafen, Germany
- Karlsruhe Nano Micro Facility (KNMF), Karlsruhe Institute of Technology, Hermann-von-Helmholtz-Platz 1, 76344 Eggenstein-Leopoldshafen, Germany
| | - Nicole Jung
- Institute of Biological and Chemical Systems, Karlsruhe Institute of Technology, Hermann-von-Helmholtz-Platz 1, 76344 Eggenstein-Leopoldshafen, Germany
- Karlsruhe Nano Micro Facility (KNMF), Karlsruhe Institute of Technology, Hermann-von-Helmholtz-Platz 1, 76344 Eggenstein-Leopoldshafen, Germany
- Institute of Organic Chemistry, Karlsruhe Institute of Technology, Fritz-Haber-Weg 6, 76131 Karlsruhe, Germany
| | - Stefan Bräse
- Institute of Biological and Chemical Systems, Karlsruhe Institute of Technology, Hermann-von-Helmholtz-Platz 1, 76344 Eggenstein-Leopoldshafen, Germany
- Institute of Organic Chemistry, Karlsruhe Institute of Technology, Fritz-Haber-Weg 6, 76131 Karlsruhe, Germany
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22
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Maisuls I, Kirse TM, Hepp A, Kösters J, Wolcan E, Strassert CA. Rhenium(I) Complexes with Neutral Monodentate Coligands and Monoanionic 2-(1,2,4-Triazol-5-yl)pyridine-Based Chelators as Bidentate Luminophores with Tunable Color and Photosensitized Generation of 1O 2: An Integrated Case Study Involving Photophysics and Theory. Inorg Chem 2022; 61:13775-13791. [PMID: 35998339 DOI: 10.1021/acs.inorgchem.2c01572] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
In this work, we describe the synthesis as well as structural, photophysical, and theoretical investigation of a new coordination chemical concept involving rhenium(I) complexes bearing monoanionic 1,2,4-triazolylpyridine-based bidentate chromophores. The X-ray diffractometric analysis of single crystals revealed particular packing features: the trifluoromethylated exemplar displayed two kinds of arrangements of the coordination centers, where the bidentate ligands at the edges of the unit cell are staggered parallel to each other, whereas those inside show antiparallel stacking with respect to the external ligands. On the other hand, the complexes bearing an adamantyl substituent yield a linear arrangement, where the bulky moiety of one luminophore points to the pyridine center of the adjacent ligand of the neighboring complex while including methanol molecules hydrogen-bonded to the triazolato unit. We observed that the photophysical properties of the complexes (photoexcited-state lifetimes, photoluminescence maxima and quantum yields) can be adjusted by tuning of the substitution pattern at the bidentate luminophore as well as by variation of the monodentate coligand. The photoluminescence spectra and photoexcited-state lifetimes of the crystalline phases were measured by phosphorescence lifetime micro(spectro)scopy. Interestingly, the vibrationally resolved emission spectra of the crystals closely resemble those of diluted frozen glassy matrixes at 77 K, in contrast with the broad bands observed in amorphous solids and in fluid solutions, where the charge-transfer character is enhanced. While the photoluminescence quantum yields (ΦL) reach up to 15%, the complexes are able to attain up to 55% efficiency regarding the photosensitization of 1O2 (ΦΔ), depending on the combination of luminophore and coligand. Theoretical calculations showed that the photoexcited triplet (T1) state has a metal-ligand-to-ligand charge-transfer character, where promotion to the excited electronic configuration shortens the Re(I)-N bond involving the bidentate triazolylpyridine while stretching the three fac-CO-Re(I) bonds as well as the linkage to the axial monodentate coligand. The calculated vertical (Evl) and 0-0 (E(0-0)) radiative transition energies are in very good agreement with the experimental values (Eexplum).
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Affiliation(s)
- Iván Maisuls
- Institut für Anorganische und Analytische Chemie, Westfälische Wilhelms-Universität Münster, Corrensstraße 28/30, Münster D-48149, Germany.,CeNTech, CiMIC, SoN, Westfälische Wilhelms-Universität Münster, Heisenbergstraße 11, Münster D-48149, Germany
| | - Thomas M Kirse
- Institut für Anorganische und Analytische Chemie, Westfälische Wilhelms-Universität Münster, Corrensstraße 28/30, Münster D-48149, Germany.,CeNTech, CiMIC, SoN, Westfälische Wilhelms-Universität Münster, Heisenbergstraße 11, Münster D-48149, Germany
| | - Alexander Hepp
- Institut für Anorganische und Analytische Chemie, Westfälische Wilhelms-Universität Münster, Corrensstraße 28/30, Münster D-48149, Germany
| | - Jutta Kösters
- Institut für Anorganische und Analytische Chemie, Westfälische Wilhelms-Universität Münster, Corrensstraße 28/30, Münster D-48149, Germany
| | - Ezequiel Wolcan
- Instituto de Investigaciones Fisicoquímicas Teóricas y Aplicadas (INIFTA, UNLP, CCT La Plata-CONICET), Diagonal 113 and 64, Sucursal 4, Casilla de Correo 16, La Plata B1906, Argentina
| | - Cristian A Strassert
- Institut für Anorganische und Analytische Chemie, Westfälische Wilhelms-Universität Münster, Corrensstraße 28/30, Münster D-48149, Germany.,CeNTech, CiMIC, SoN, Westfälische Wilhelms-Universität Münster, Heisenbergstraße 11, Münster D-48149, Germany
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23
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Deciphering the Metal Speciation in Low‐Molecular‐Weight Complexes by IMS‐MS: Application to the Detection of Manganese Superoxide Dismutase Mimics in Cell Lysates. Angew Chem Int Ed Engl 2022. [DOI: 10.1002/ange.202203066] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
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24
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Lazniewska J, Bader C, Hickey SM, Selemidis S, O'Leary J, Simpson PV, Stagni S, Plush SE, Massi M, Brooks D. Rhenium(I) conjugates as tools for tracking cholesterol in cells. Metallomics 2022; 14:6601455. [PMID: 35657681 PMCID: PMC9344854 DOI: 10.1093/mtomcs/mfac040] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/17/2022] [Accepted: 05/17/2022] [Indexed: 11/15/2022]
Abstract
Cholesterol is vital to control membrane integrity and fluidity, but is also a precursor to produce steroid hormones, bile acids, and vitamin D. Consequently, altered cholesterol biology has been linked to many diseases, including metabolic syndromes and cancer. Defining the intracellular pools of cholesterol and its trafficking within cells is essential to understand both normal cell physiology and mechanisms of pathogenesis. We have synthesized a new cholesterol mimic (ReTEGCholestanol), comprising a luminescent rhenium metal complex and a cholestanol targeting unit, linked using a tetraethylene glycol (TEG) spacer. ReTEGCholestanol demonstrated favourable imaging properties and improved water solubility when compared to a cholesterol derivative, and structurally related probes lacking the TEG linker. A non-malignant and three malignant prostate cell lines were used to characterize the uptake and intracellular distribution of ReTEGCholestanol. The ReTEGCholestanol complex was effectively internalized and mainly localized to late endosomes/lysosomes in non-malignant PNT1a cells, while in prostate cancer cells it also accumulated in early endosomes and multivesicular bodies, suggesting disturbed cholesterol biology in the malignant cells. The ReTEGCholestanol is a novel imaging agent for visualizing endosomal uptake and trafficking, which may be used to define cholesterol related biology including membrane integration and altered lipid trafficking/processing.
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Affiliation(s)
| | | | - Shane M Hickey
- UniSA Clinical and Health Sciences, University of South Australia, Adelaide, South Australia 5001, Australia
| | - Stavros Selemidis
- Department of Human Biosciences, RMIT University, Melbourne, Victoria 3000, Australia
| | - John O'Leary
- Discipline of Histopathology, University of Dublin Trinity College, Dublin 2, Ireland
| | - Peter V Simpson
- School of Molecular and Life Sciences - Curtin University, Bentley, Western Australia 6102, Australia
| | - Stefano Stagni
- Department of Industrial Chemistry Toso Montanari, University of Bologna, Via Zamboni, 33, Bologna I-40136, Italy
| | - Sally E Plush
- UniSA Clinical and Health Sciences, University of South Australia, Adelaide, South Australia 5001, Australia
| | - Massimiliano Massi
- School of Molecular and Life Sciences - Curtin University, Bentley, Western Australia 6102, Australia
| | - Doug Brooks
- Correspondence: School of Molecular and Life Sciences - Curtin University, Bentley, Western Australia 6102, Australia. Tel: +61-8-830-21229; E-mail:
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25
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SOD mimics: From the tool box of the chemists to cellular studies. Curr Opin Chem Biol 2022; 67:102109. [DOI: 10.1016/j.cbpa.2021.102109] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2021] [Revised: 11/15/2021] [Accepted: 12/06/2021] [Indexed: 02/06/2023]
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26
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Nagarajan S, Poyer F, Fourmois L, Naud‐Martin D, Medjoubi K, Somogyi A, Schanne G, Henry L, Delsuc N, Policar C, Bertrand HC, Mahuteau‐Betzer F. Cellular Detection of a Mitochondria Targeted Brominated Vinyl Triphenylamine Optical Probe (TP−Br) by X‐Ray Fluorescence Microscopy. Chemistry 2022; 28:e202104424. [DOI: 10.1002/chem.202104424] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2021] [Indexed: 11/06/2022]
Affiliation(s)
- Sounderya Nagarajan
- CNRS UMR9187, Inserm U1196, Chemistry and Modeling for the Biology of Cancer Institut Curie Université PSL 91400 Orsay France
- CNRS UMR9187, Inserm U1196, Chemistry and Modeling for the Biology of Cancer Université Paris-Saclay 91400 Orsay France
| | - Florent Poyer
- CNRS UMR9187, Inserm U1196, Chemistry and Modeling for the Biology of Cancer Institut Curie Université PSL 91400 Orsay France
- CNRS UMR9187, Inserm U1196, Chemistry and Modeling for the Biology of Cancer Université Paris-Saclay 91400 Orsay France
| | - Laura Fourmois
- CNRS UMR9187, Inserm U1196, Chemistry and Modeling for the Biology of Cancer Institut Curie Université PSL 91400 Orsay France
- CNRS UMR9187, Inserm U1196, Chemistry and Modeling for the Biology of Cancer Université Paris-Saclay 91400 Orsay France
| | - Delphine Naud‐Martin
- CNRS UMR9187, Inserm U1196, Chemistry and Modeling for the Biology of Cancer Institut Curie Université PSL 91400 Orsay France
- CNRS UMR9187, Inserm U1196, Chemistry and Modeling for the Biology of Cancer Université Paris-Saclay 91400 Orsay France
| | - Kadda Medjoubi
- Synchrotron SOLEIL, BP 48 Saint-Aubin 91192 Gif sur Yvette France
| | - Andrea Somogyi
- Synchrotron SOLEIL, BP 48 Saint-Aubin 91192 Gif sur Yvette France
| | - Gabrielle Schanne
- Laboratoire des biomolécules, LBM, Département de chimie Ecole normale supérieure PSL University Sorbonne université, CNRS 75005 Paris France
| | - Lucas Henry
- Laboratoire des biomolécules, LBM, Département de chimie Ecole normale supérieure PSL University Sorbonne université, CNRS 75005 Paris France
| | - Nicolas Delsuc
- Laboratoire des biomolécules, LBM, Département de chimie Ecole normale supérieure PSL University Sorbonne université, CNRS 75005 Paris France
| | - Clotilde Policar
- Laboratoire des biomolécules, LBM, Département de chimie Ecole normale supérieure PSL University Sorbonne université, CNRS 75005 Paris France
| | - Helene C. Bertrand
- Laboratoire des biomolécules, LBM, Département de chimie Ecole normale supérieure PSL University Sorbonne université, CNRS 75005 Paris France
| | - Florence Mahuteau‐Betzer
- CNRS UMR9187, Inserm U1196, Chemistry and Modeling for the Biology of Cancer Institut Curie Université PSL 91400 Orsay France
- CNRS UMR9187, Inserm U1196, Chemistry and Modeling for the Biology of Cancer Université Paris-Saclay 91400 Orsay France
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27
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Drug combination study of novel oxorhenium(V) complexes. J Inorg Biochem 2022; 231:111807. [DOI: 10.1016/j.jinorgbio.2022.111807] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2021] [Revised: 03/11/2022] [Accepted: 03/21/2022] [Indexed: 11/23/2022]
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28
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Tyupina MY, Miroslavov AE, Sidorenko GV, Gurzhiy VV, Sakhonenkova AP. 2+1 Rhenium Tricarbonyl Complexes with N,N′-Bidentate Ligands and Ethyl Isocyanoacetate: Synthesis, Structure, and Properties. RUSS J GEN CHEM+ 2022. [DOI: 10.1134/s1070363222010108] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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29
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Tyagi N, Kaur N, Sahoo SC, Venugopalan P. Photodynamic therapy applications of Re(I)‐BODIPY functionalized nanoparticles. Appl Organomet Chem 2022. [DOI: 10.1002/aoc.6494] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Affiliation(s)
- Nidhi Tyagi
- Energy and Environment Unit Institute of Nano Science and Technology Mohali India
| | - Navneet Kaur
- Energy and Environment Unit Institute of Nano Science and Technology Mohali India
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30
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Hickey SM, Ung B, Bader C, Brooks R, Lazniewska J, Johnson IRD, Sorvina A, Logan J, Martini C, Moore CR, Karageorgos L, Sweetman MJ, Brooks DA. Fluorescence Microscopy-An Outline of Hardware, Biological Handling, and Fluorophore Considerations. Cells 2021; 11:35. [PMID: 35011596 PMCID: PMC8750338 DOI: 10.3390/cells11010035] [Citation(s) in RCA: 21] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2021] [Revised: 12/21/2021] [Accepted: 12/21/2021] [Indexed: 12/16/2022] Open
Abstract
Fluorescence microscopy has become a critical tool for researchers to understand biological processes at the cellular level. Micrographs from fixed and live-cell imaging procedures feature in a plethora of scientific articles for the field of cell biology, but the complexities of fluorescence microscopy as an imaging tool can sometimes be overlooked or misunderstood. This review seeks to cover the three fundamental considerations when designing fluorescence microscopy experiments: (1) hardware availability; (2) amenability of biological models to fluorescence microscopy; and (3) suitability of imaging agents for intended applications. This review will help equip the reader to make judicious decisions when designing fluorescence microscopy experiments that deliver high-resolution and informative images for cell biology.
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Affiliation(s)
- Shane M. Hickey
- Clinical and Health Sciences, University of South Australia, Adelaide 5000, Australia; (C.B.); (R.B.); (J.L.); (I.R.D.J.); (A.S.); (J.L.); (C.M.); (C.R.M.); (L.K.); (M.J.S.); (D.A.B.)
| | - Ben Ung
- Clinical and Health Sciences, University of South Australia, Adelaide 5000, Australia; (C.B.); (R.B.); (J.L.); (I.R.D.J.); (A.S.); (J.L.); (C.M.); (C.R.M.); (L.K.); (M.J.S.); (D.A.B.)
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31
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Jiang B, Martí AA. Probing Amyloid Nanostructures Using Photoluminescent Metal Complexes. Eur J Inorg Chem 2021. [DOI: 10.1002/ejic.202100422] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/06/2022]
Affiliation(s)
- Bo Jiang
- Department of Chemistry Rice University 6100 Main St, Chemistry MS60 Houston Texas 77005 United States
| | - Angel A. Martí
- Department of Chemistry Department of Bioengineering, and Department of Material Science & NanoEngineering Rice University 6100 Main St, Chemistry MS60 Houston Texas 77005 United States
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32
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Singh B, Pani B, Gupta D. Multiple phenyl ring appended Re-based complexes for strong visible light absorption and DNA binding. Dalton Trans 2021; 50:15558-15566. [PMID: 34668005 DOI: 10.1039/d1dt02216d] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A series of facial-Re(CO)3-based acyclic complexes (1-3) possessing N∩O bis-chelating ligands and a triphenylphosphine oxide donor was synthesized and characterized. The most interesting structural feature of these complexes is that both the coordinated ligands are functionalized with external phenyl rings. Single crystal X-ray diffraction analysis confirms that each molecule demonstrates a variety of intermolecular supramolecular interactions via the external phenyl rings. All the complexes displayed strong absorption (ε = 14 000-40 000 M-1 cm-1) over wide visible region (400-600 nm). Due to the interesting structural and photophysical properties of the complexes, a satisfactory DNA binding ability was observed. The binding of the complexes with DNA grooves was confirmed by a significant increase in the absorption intensities of the complexes in the visible region, absorption enhancement of DNA and circular dichroism.
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Affiliation(s)
- Bholey Singh
- Department of Chemistry, Bhaskaracharya College of Applied Sciences (University of Delhi), Sector-2, Dwarka, New Delhi, 110075, India.
| | - Balaram Pani
- Department of Chemistry, Bhaskaracharya College of Applied Sciences (University of Delhi), Sector-2, Dwarka, New Delhi, 110075, India.
| | - Deepak Gupta
- Department of Chemistry, Bhaskaracharya College of Applied Sciences (University of Delhi), Sector-2, Dwarka, New Delhi, 110075, India.
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33
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Artem'ev AV, Petyuk MY, Berezin AS, Gushchin AL, Sokolov MN, Bagryanskaya IY. Synthesis and study of Re(I) tricarbonyl complexes based on octachloro-1,10-phenanthroline: Towards deep red-to-NIR emitters. Polyhedron 2021. [DOI: 10.1016/j.poly.2021.115484] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
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34
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Leung PKK, Lee LCC, Ip TKY, Liu HW, Yiu SM, Lee NP, Lo KKW. Luminescent rhenium(I) perfluorobiphenyl complexes as site-specific labels for peptides to afford photofunctional bioconjugates. Chem Commun (Camb) 2021; 57:11256-11259. [PMID: 34633395 DOI: 10.1039/d1cc04740j] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Abstract
We report herein new luminescent rhenium(I) perfluorobiphenyl complexes that reacted specifically with the cysteine residue of the π-clamp sequence (FCPF) to afford novel peptide-based imaging reagents, photosensitisers for singlet oxygen and enzyme sensors.
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Affiliation(s)
- Peter Kam-Keung Leung
- Department of Chemistry, City University of Hong Kong, Tat Chee Avenue, Hong Kong, P. R. China.
| | - Lawrence Cho-Cheung Lee
- Department of Chemistry, City University of Hong Kong, Tat Chee Avenue, Hong Kong, P. R. China.
| | - Tiffany Ka-Yan Ip
- Department of Chemistry, City University of Hong Kong, Tat Chee Avenue, Hong Kong, P. R. China.
| | - Hua-Wei Liu
- Department of Chemistry, City University of Hong Kong, Tat Chee Avenue, Hong Kong, P. R. China.
| | - Shek-Man Yiu
- Department of Chemistry, City University of Hong Kong, Tat Chee Avenue, Hong Kong, P. R. China.
| | - Nikki P Lee
- Department of Surgery, The University of Hong Kong, Hong Kong, P. R. China
| | - Kenneth Kam-Wing Lo
- Department of Chemistry, City University of Hong Kong, Tat Chee Avenue, Hong Kong, P. R. China. .,State Key Laboratory of Terahertz and Millimetre Waves, City University of Hong Kong, Tat Chee Avenue, Hong Kong, P. R. China.,Centre of Functional Photonics, City University of Hong Kong, Tat Chee Avenue, Hong Kong, P. R. China
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35
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Acosta A, Antipán J, Fernández M, Prado G, Sandoval-Altamirano C, Günther G, Gutiérrez-Urrutia I, Poblete-Castro I, Vega A, Pizarro N. Photochemistry of P,N-bidentate rhenium(i) tricarbonyl complexes: reactive species generation and potential application for antibacterial photodynamic therapy. RSC Adv 2021; 11:31959-31966. [PMID: 35495525 PMCID: PMC9041655 DOI: 10.1039/d1ra06416a] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/24/2021] [Accepted: 09/14/2021] [Indexed: 12/22/2022] Open
Abstract
In this work, we describe the photoisomerization of facial rhenium(i) tricarbonyl complexes bearing P,N-bidentate pyridyl/phosphine ligands with different chelating rings and anions: RePNBr, RePNTfO, and RePNNBr, which are triggered under irradiation at 365 nm in solutions. The apparent photodegradation rate constants (k app) depend on the coordinating ability of the solvent, being lowest in acetonitrile. The k app value increases as the temperature rises, suggesting a reactive IL excited state thermally populated from the MLCT excited state involved. Using the Eyring equation, positive activation enthalpies (ΔH ≠) accompanied by high negative values for the activation entropy (ΔS ≠) were obtained. These results suggest whatever the P,N-ligand or anion, the reaction proceeds through a strongly solvated or a compact transition state, which is compatible with an associative mechanism for the photoisomerization. A 100-fold decrease in the log10 CFU value is observed for E. coli and S. aureus in irradiated solutions of the compounds, which follows the same tendency as their singlet oxygen generation quantum yield: RePNBr > RePNTfO > RePNNBr, while no antibacterial activity is observed in the darkness. This result indicates that the generation of singlet oxygen plays a key role in the antibacterial capacity of these complexes.
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Affiliation(s)
- Alison Acosta
- Universidad Técnica Federico Santa María, Centro de Biotecnología Avenida España 1680 Valparaíso Chile
| | - Javier Antipán
- Universidad Andres Bello, Facultad de Ciencias Exactas, Departamento de Ciencias Químicas Viña del Mar Chile
| | - Mariano Fernández
- Universidad Andres Bello, Facultad de Ciencias Exactas, Departamento de Ciencias Químicas Viña del Mar Chile
| | - Gaspar Prado
- Universidad Andres Bello, Facultad de Ciencias Exactas, Departamento de Ciencias Químicas Viña del Mar Chile
| | - Catalina Sandoval-Altamirano
- Universidad de Santiago de Chile (USACH), Facultad de Química y Biología, Departamento de Ciencias del Ambiente Chile
| | - Germán Günther
- Universidad de Chile, Facultad de Ciencias Químicas y Farmacéuticas, Departamento de Química Orgánica y Fisicoquímica Santiago Chile
| | - Izabook Gutiérrez-Urrutia
- Universidad Andrés Bello, Facultad de Ciencias de la Vida, Center for Bioinformatics and Integrative Biology (CBIB), Biosystems Engineering Laboratory Santiago Chile
| | - Ignacio Poblete-Castro
- Universidad Andrés Bello, Facultad de Ciencias de la Vida, Center for Bioinformatics and Integrative Biology (CBIB), Biosystems Engineering Laboratory Santiago Chile
| | - Andrés Vega
- Universidad Andres Bello, Facultad de Ciencias Exactas, Departamento de Ciencias Químicas Viña del Mar Chile
| | - Nancy Pizarro
- Universidad Andres Bello, Facultad de Ciencias Exactas, Departamento de Ciencias Químicas Viña del Mar Chile
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36
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Amaral RC, Matos LS, Murakami Iha NY. Efficient visible light harvesting through fac-[Re(CO)3(R2bpy)(trans-bpe)]+ complexes. J Photochem Photobiol A Chem 2021. [DOI: 10.1016/j.jphotochem.2021.113402] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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37
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Ramos LD, de Macedo LH, Gobo NRS, de Oliveira KT, Cerchiaro G, Morelli Frin KP. Understanding the photophysical properties of rhenium(I) compounds coordinated to 4,7-diamine-1,10-phenanthroline: synthetic, luminescence and biological studies. Dalton Trans 2021; 49:16154-16165. [PMID: 32270852 DOI: 10.1039/d0dt00436g] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023]
Abstract
In the present study, the photophysical properties and preliminary time-dependent density functional theory (TD-DFT) data of new rhenium(i) polypyridyl compounds, fac-[Re(L)(Am2phen)(CO)3]0/+, where Am2phen = 4,7-diamine-1,10-phenanthroline and L = Cl and ethyl isonicotinate (et-isonic), provided new insights into excited-state deactivation through an unusual inversion between two metal-to-ligand charge-transfer excited states. In addition, their cellular uptake using breast cancer (MCF-7) and melanoma (SkMel-147 and SkMel-29) cell lines and bioactivity were investigated and their cell-killing mechanism and protein expression were also studied. Preliminary TD-DFT results showed that both compounds exhibited a strong and broad absorption band around 300-400 nm which corresponds to a combination of ILAm2phen and MLCTRe→Am2phen transitions, and a strong contribution of charge transfer transition MLCTRe→et-isonic for fac-[Re(et-isonic)(Am2phen)(CO)3]+ is also observed. In contrast to typical Re(i) polypyridyl complexes, the substitution of Cl with the et-isonic ligand showed a bathochromic shift of the emission maxima, relatively low emission quantum yield and fast lifetime. Photophysical investigation of the fac-[ReCl(et-isonic)2(CO)3] compound provided meaningful information on the excited state manifold of the fac-[Re(L)(Am2phen)(CO)3]0/+ complexes. As shown in the absorption profile, a remarkable inversion of the lowest-lying excited state takes place from the usually observed MLCTRe→Am2phen to the unusual MLCTRe→et-isonic. The lipophilicity of the positive-complex was higher than that of the non-charge compound and the same trend for the activity against cells was observed, in the absence of light. In addition, flow cytometry and Western Blot analyses showed an overexpression of pro-caspase-9, suggesting a caspase proteolytic cascade through an intrinsic-pathway apoptosis mechanism. The photophysical properties of these compounds reported herein provide new fundamental insights into the understanding of substituent groups on polypyridyl ligands which are relevant to practical development.
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Affiliation(s)
- Luiz D Ramos
- Federal University of ABC - UFABC, Av. dos Estados 5001, Santo Andre, SP, Brazil
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Auvray T, Pal AK, Hanan GS. Electronic Properties of Rhenium(I) Carbonyl Complexes Bearing Strongly Donating Hexahydro‐Pyrimidopyrimidine Based Ligands. Eur J Inorg Chem 2021. [DOI: 10.1002/ejic.202100028] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/16/2023]
Affiliation(s)
- Thomas Auvray
- Département de Chimie Université de Montréal, Complexe des Sciences, B-3419 1375 Avenue Thérèse-Lavoie-Roux Montréal QC H2V 0B3 Canada
| | - Amlan K. Pal
- Department of Chemistry Indian Institute of Technology Jammu, Jagti Campus Nagrota Bypass Road Jammu & Kashmir 181221 India
| | - Garry S. Hanan
- Département de Chimie Université de Montréal, Complexe des Sciences, B-3419 1375 Avenue Thérèse-Lavoie-Roux Montréal QC H2V 0B3 Canada
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39
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van Niekerk X, Gerber T, Hosten E. Monodentate N/S-donor benzothiazole and benzimidazole coordination to the [Re(CO)3]+ core. Polyhedron 2021. [DOI: 10.1016/j.poly.2021.115171] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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Maryunina K, Letyagin G, Bogomyakov A, Morozov V, Tumanov S, Veber S, Fedin M, Saverina E, Syroeshkin M, Egorov M, Romanenko G, Ovcharenko V. Re(i)-nitroxide complexes. RSC Adv 2021; 11:19902-19907. [PMID: 35479223 PMCID: PMC9033687 DOI: 10.1039/d1ra02159a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2021] [Accepted: 05/25/2021] [Indexed: 11/21/2022] Open
Abstract
Spin-labeled cyrhetrenes [(NNCp)Re(CO)3] and [(INCp)Re(CO)3], where NNCp is nitronyl nitroxide 2-(η5-cyclopentadienyl)-4,4,5,5-tetramethyl-4,5-dihydro-1H-imidazole-3-oxide-1-oxyl and INCp is the corresponding imino nitroxide, were synthesized and characterized by EPR, CV, XRD, magnetochemistry and quantum chemistry methods. The correlations between different arrangements of paramagnetic centers and the magnetic exchange interactions for three polymorphs of [(NNCp)Re(CO)3] were studied. It was concluded that high kinetic stability of nitroxide-substituted cyrhetrenes is a promising feature of compounds for the creation of multifunctional contrast agents.
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Affiliation(s)
- Kseniya Maryunina
- International Tomography Center SB RAS Institutskaya Str. 3a 630090 Novosibirsk Russia
| | - Gleb Letyagin
- International Tomography Center SB RAS Institutskaya Str. 3a 630090 Novosibirsk Russia
- Novosibirsk State University Pirogova Str. 1 630090 Novosibirsk Russia
| | - Artem Bogomyakov
- International Tomography Center SB RAS Institutskaya Str. 3a 630090 Novosibirsk Russia
- Novosibirsk State University Pirogova Str. 1 630090 Novosibirsk Russia
- N. D. Zelinsky Institute of Organic Chemistry RAS Leninsky Prospect, 47 Moscow 119991 Russia
| | - Vitaly Morozov
- International Tomography Center SB RAS Institutskaya Str. 3a 630090 Novosibirsk Russia
- Novosibirsk State University Pirogova Str. 1 630090 Novosibirsk Russia
| | - Sergey Tumanov
- International Tomography Center SB RAS Institutskaya Str. 3a 630090 Novosibirsk Russia
- Novosibirsk State University Pirogova Str. 1 630090 Novosibirsk Russia
| | - Sergey Veber
- International Tomography Center SB RAS Institutskaya Str. 3a 630090 Novosibirsk Russia
- Novosibirsk State University Pirogova Str. 1 630090 Novosibirsk Russia
| | - Matvey Fedin
- International Tomography Center SB RAS Institutskaya Str. 3a 630090 Novosibirsk Russia
- Novosibirsk State University Pirogova Str. 1 630090 Novosibirsk Russia
| | - Evgeniya Saverina
- N. D. Zelinsky Institute of Organic Chemistry RAS Leninsky Prospect, 47 Moscow 119991 Russia
| | - Mikhail Syroeshkin
- N. D. Zelinsky Institute of Organic Chemistry RAS Leninsky Prospect, 47 Moscow 119991 Russia
| | - Mikhail Egorov
- N. D. Zelinsky Institute of Organic Chemistry RAS Leninsky Prospect, 47 Moscow 119991 Russia
| | - Galina Romanenko
- International Tomography Center SB RAS Institutskaya Str. 3a 630090 Novosibirsk Russia
| | - Victor Ovcharenko
- International Tomography Center SB RAS Institutskaya Str. 3a 630090 Novosibirsk Russia
- N. D. Zelinsky Institute of Organic Chemistry RAS Leninsky Prospect, 47 Moscow 119991 Russia
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Carreño A, Gacitúa M, Solis-Céspedes E, Páez-Hernández D, Swords WB, Meyer GJ, Preite MD, Chávez I, Vega A, Fuentes JA. New Cationic fac-[Re(CO) 3(deeb)B2] + Complex, Where B2 Is a Benzimidazole Derivative, as a Potential New Luminescent Dye for Proteins Separated by SDS-PAGE. Front Chem 2021; 9:647816. [PMID: 33842435 PMCID: PMC8027506 DOI: 10.3389/fchem.2021.647816] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2020] [Accepted: 01/29/2021] [Indexed: 01/14/2023] Open
Abstract
Sodium-dodecyl-sulfate polyacrylamide gel electrophoresis (SDS-PAGE) can be used to separate proteins based mainly on their size such as in denaturing gels. Different staining methods have been reported to observe proteins in the gel matrix, where the most used dyes are generally anionic. Anionic dyes allow for interactions with protonated amino acids, retaining the dye in the proteins. Fluorescent staining is an alternative technique considered to be sensitive, safe, and versatile. Some anionic complexes based on d6 transition metals have been used for this purpose, where cationic dyes have been less explored in this context. In this work, we synthesized and characterized a new monocationic rhenium complex fac-[Re(CO)3(deeb)B2]+ (where deeb is 4,4′-bis(ethoxycarbonyl)-2,2′-bpy and B2 is 2,4-di-tert-butyl-6-(3H-imidazo[4,5-c]pyridine-2-yl)phenol). We carried out a structural characterization of this complex by MS+, FTIR, 1H NMR, D2O exchange, and HHCOSY. Moreover, we carried out UV-Vis, luminescence, and cyclic voltammetry experiments to understand the effect of ligands on the complex’s electronic structure. We also performed relativistic theoretical calculations using the B3LYP/TZ2P level of theory and R-TDDFT within a dielectric continuum model (COSMO) to better understand electronic transitions and optical properties. We finally assessed the potential of fac-[Re(CO)3(deeb)B2]+ (as well as the precursor fac-Re(CO)3(deeb)Br and the free ligand B2) to stain proteins separated by SDS-PAGE. We found that only fac-[Re(CO)3(deeb)B2]+ proved viable to be directly used as a luminescent dye for proteins, presumably due to its interaction with negatively charged residues in proteins and by weak interactions provided by B2. In addition, fac-[Re(CO)3(deeb)B2]+ seems to interact preferentially with proteins and not with the gel matrix despite the presence of sodium dodecyl sulfate (SDS). In future applications, these alternative cationic complexes might be used alone or in combination with more traditional anionic compounds to generate counterion dye stains to improve the process.
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Affiliation(s)
- Alexander Carreño
- Center of Applied NanoSciences (CANS), Facultad de Ciencias Exactas, Universidad Andres Bello, Santiago, Chile
| | | | - Eduardo Solis-Céspedes
- Escuela de Bioingeniería Médica, Facultad de Medicina, Universidad Católica del Maule, Talca, Chile.,Laboratorio de Bioinformática y Química Computacional, Facultad de Medicina, Universidad Católica del Maule, Talca, Chile
| | - Dayán Páez-Hernández
- Center of Applied NanoSciences (CANS), Facultad de Ciencias Exactas, Universidad Andres Bello, Santiago, Chile
| | - Wesley B Swords
- Department of Chemistry, University of North Carolina at Chapel Hill, Chapel Hill, NC, United States
| | - Gerald J Meyer
- Department of Chemistry, University of North Carolina at Chapel Hill, Chapel Hill, NC, United States
| | - Marcelo D Preite
- Departamento de Química Orgánica, Facultad de Química y Química y de Farmacia, Pontificia Universidad Católica de Chile, Santiago, Chile
| | - Ivonne Chávez
- Departamento de Química Inorgánica, Facultad de Química y Química y de Farmacia, Pontificia Universidad Católica de Chile, Santiago, Chile
| | - Andrés Vega
- Departamento de Ciencias Químicas, Facultad de Ciencias Exactas, Universidad Andres Bello, Viña del Mar, Chile.,Centro para el Desarrollo de la Nanociencia y la Nanotecnología Cedenna, Santiago, Chile
| | - Juan A Fuentes
- Laboratorio de Genética y Patogénesis Bacteriana, Facultad de Ciencias de la Vida, Universidad Andrés Bello, Santiago, Chile
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Alkyl tetrazoles as diimine (“diim”) ligands for fac-[Re(diim)(CO)3(L)]-type complexes. Synthesis, characterization and preliminary studies of the interaction with bovine serum albumin. Inorganica Chim Acta 2021. [DOI: 10.1016/j.ica.2020.120244] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/16/2023]
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Choroba K, Maroń A, Switlicka A, Szłapa-Kula A, Siwy M, Grzelak J, Maćkowski S, Pedzinski T, Schab-Balcerzak E, Machura B. Carbazole effect on ground- and excited-state properties of rhenium(i) carbonyl complexes with extended terpy-like ligands. Dalton Trans 2021; 50:3943-3958. [PMID: 33645614 DOI: 10.1039/d0dt04340k] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
Abstract
The ground- and excited-state properties of three novel complexes [ReCl(CO)3(Ln-κ2N)] bearing 2,2':6',2''-terpyridine, 2,6-di(thiazol-2-yl)pyridine and 2,6-di(pyrazin-2-yl)pyridine functionalized with 9-carbazole attached to the central pyridine ring of the triimine core via phenylene linkage were investigated by spectroscopic and electrochemical methods and were simulated using density functional theory (DFT) and time-dependent DFT. To get a deeper and broader understanding of structure-property relationships, the designed Re(i) carbonyl complexes were compared with previously reported analogous systems - without any groups attached to the phenyl ring and bearing pyrrolidine instead of 9-carbazole. The results indicated that attachment of the N-carbazolyl substituent to the triimine core has less influence on the nature of the triplet excited state of [ReCl(CO)3(Ln-κ2N)] than the pyrrolidine group. Additionally, the impact of the ligand structural modifications on the light emission of the Re(i) complexes under external voltage was preliminarily examined with electroluminescence spectra of diodes containing the synthesized new molecules in an active layer.
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Affiliation(s)
- Katarzyna Choroba
- Institute of Chemistry, University of Silesia, 9th Szkolna St., 40-006 Katowice, Poland.
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45
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Huang Z, Wilson JJ. Therapeutic and Diagnostic Applications of Multimetallic Rhenium(I) Tricarbonyl Complexes. Eur J Inorg Chem 2021. [DOI: 10.1002/ejic.202100031] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Affiliation(s)
- Zhouyang Huang
- Department of Chemistry and Chemical Biology Cornell University Ithaca NY 14853 USA
| | - Justin J. Wilson
- Department of Chemistry and Chemical Biology Cornell University Ithaca NY 14853 USA
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46
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Auvray T, Del Secco B, Dubreuil A, Zaccheroni N, Hanan GS. In-Depth Study of the Electronic Properties of NIR-Emissive κ 3N Terpyridine Rhenium(I) Dicarbonyl Complexes. Inorg Chem 2021; 60:70-79. [PMID: 33332962 DOI: 10.1021/acs.inorgchem.0c02188] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
Abstract
The structure-properties relationship in a series of carbonyl rhenium(I) complexes based on substituted terpyridine ligands of general formula [Re(κxN-Rtpy)(CO)yL]n+ is explored by both experimental and theoretical methods. In these compounds, the terpyridine ligands adopt both bidentate (κ2N) and terdentate (κ3N) coordination modes associated with three or two carbonyls, respectively. Conversion from the κ2N to the κ3N coordination mode leads to large changes in the absorption spectra and oxidation potentials due to destabilization of the HOMO level of each complex. The absorption profiles of the κ3N complexes cover the whole visible spectra with lower maxima around 700 nm, tailing out to 800 nm, while no emission is observed with Br- as the axial ligand L. When the axial ligand is modified from the native halide to pyridine or triphenylphosphine, the lowest absorption band is blue-shifted by 60 and 90 nm, respectively. These cationic complexes are near-infrared emitters with emission maxima between 840 and 950 nm for the pyridine compounds and 780-800 nm for the triphenylphosphine compounds.
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Affiliation(s)
- Thomas Auvray
- Département de Chimie, Université de Montréal, Montréal, Canada H2V-0B3
| | - Benedetta Del Secco
- Dipartimento di Chimica 'G. Ciamician',Università degli Studi di Bologna, Via S. Giacomo 11, 40126 Bologna, Italy
| | - Amélie Dubreuil
- Département de Chimie, Université de Montréal, Montréal, Canada H2V-0B3
| | - Nelsi Zaccheroni
- Dipartimento di Chimica 'G. Ciamician',Università degli Studi di Bologna, Via S. Giacomo 11, 40126 Bologna, Italy
| | - Garry S Hanan
- Département de Chimie, Université de Montréal, Montréal, Canada H2V-0B3
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47
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Schanne G, Henry L, Ong HC, Somogyi A, Medjoubi K, Delsuc N, Policar C, García F, Bertrand HC. Rhenium carbonyl complexes bearing methylated triphenylphosphonium cations as antibody-free mitochondria trackers for X-ray fluorescence imaging. Inorg Chem Front 2021. [DOI: 10.1039/d1qi00542a] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
Abstract
A convenient rhenium-based multimodal mitochondrial-targeted probe compatible with Synchrotron Radiation X-ray Fluorescence nano-imaging.
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Affiliation(s)
- Gabrielle Schanne
- Laboratoire des biomolécules
- LBM
- Département de chimie
- Ecole normale supérieure
- PSL University
| | - Lucas Henry
- Laboratoire des biomolécules
- LBM
- Département de chimie
- Ecole normale supérieure
- PSL University
| | - How Chee Ong
- School of Physical and Mathematical Sciences
- Division of Chemistry and Biological Chemistry
- Nanyang Technological University
- Singapore
| | - Andrea Somogyi
- Synchrotron SOLEIL
- BP 48
- Saint-Aubin
- 91192 Gif sur Yvette
- France
| | - Kadda Medjoubi
- Synchrotron SOLEIL
- BP 48
- Saint-Aubin
- 91192 Gif sur Yvette
- France
| | - Nicolas Delsuc
- Laboratoire des biomolécules
- LBM
- Département de chimie
- Ecole normale supérieure
- PSL University
| | - Clotilde Policar
- Laboratoire des biomolécules
- LBM
- Département de chimie
- Ecole normale supérieure
- PSL University
| | - Felipe García
- School of Physical and Mathematical Sciences
- Division of Chemistry and Biological Chemistry
- Nanyang Technological University
- Singapore
| | - Helene C. Bertrand
- Laboratoire des biomolécules
- LBM
- Département de chimie
- Ecole normale supérieure
- PSL University
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Schutte-Smith M, Marker SC, Wilson JJ, Visser HG. Aquation and Anation Kinetics of Rhenium(I) Dicarbonyl Complexes: Relation to Cell Toxicity and Bioavailability. Inorg Chem 2020; 59:15888-15897. [PMID: 33084304 DOI: 10.1021/acs.inorgchem.0c02389] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Abstract
The aquation reactions of four rhenium(I) dicarbonyl complexes, [Re(CO)2(NN)(PR3)(Cl)], where NN = 1,10-phenanthroline (Phen) and 2,9-dimethyl-1,10-phenanthroline (DMPhen) and PR3 = 1,3,5-triaza-7-phosphaadamantane (PTA) and 1,4-diacetyl-1,3,7-triaza-5-phosphabicylco[3.3.1]nonane (DAPTA). Additionally, the anation reactions of the corresponding aqua complexes with Cl- were investigated. Single crystals of [Re(CO)2(DMPhen)(PTA)(Cl)]·DMF and [Re(CO)2(DMPhen)(DAPTA)(Cl)] were obtained, and their structures were determined using X-ray diffraction. The Re-Cl interatomic distances are 2.4991(13) and 2.4922(6) Å, respectively, indicating a mild trans influence effect of the phosphine ligands. The rate constants, kaq, for the aquation reactions of these complexes spanned a range of (3.7 ± 0.3) × 10-4 to (15.7 ± 0.3) × 10-4 s-1 with the two Phen complexes having rate constants that are 2.5 times greater than those of the DMPhen complexes at 298 K. Similarly, the second-order anation rate constants (kCl) of the resulting aqua complexes, [Re(CO)2(NN)(PR3)(H2O)]+, with Cl- ions at 298 K varied between (2.99 ± 0.05) × 10-3 and (6.79 ± 0.09) × 10-3 M-1 s-1. Likewise, these rate constants for the Phen complexes were almost 2 times faster than those of the DMPhen complexes. The pKa values of the four aqua complexes were determined to be greater than 9.0 for all of the complexes with [Re(CO)2(Phen)(PTA)(H2O)]+ having the highest pKa value of 9.28 ± 0.03. From the pKa values and the ratios of the aquation and anation rate contants, which give thermodynamic Cl- binding constants, the speciation of the rhenium(I) complexes in blood plasma, the cytoplasm, and the cell nucleus were estimated. The data suggest that the aqua complexes would be the dominant species in all three environments. This result may have important implications on the potential biological activity of these complexes.
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Affiliation(s)
| | - Sierra C Marker
- Department of Chemistry and Chemical Biology, 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
| | - Hendrik G Visser
- Department of Chemistry, University of the Free State, Bloemfontein, South Africa 9301
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Diana R, Panunzi B. The Role of Zinc(II) Ion in Fluorescence Tuning of Tridentate Pincers: A Review. Molecules 2020; 25:molecules25214984. [PMID: 33126503 PMCID: PMC7662684 DOI: 10.3390/molecules25214984] [Citation(s) in RCA: 39] [Impact Index Per Article: 9.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/06/2020] [Revised: 10/20/2020] [Accepted: 10/25/2020] [Indexed: 12/17/2022] Open
Abstract
Tridentate ligands are simple low-cost pincers, easy to synthetize, and able to guarantee stability to the derived complexes. On the other hand, due to its unique mix of structural and optical properties, zinc(II) ion is an excellent candidate to modulate the emission pattern as desired. The present work is an overview of selected articles about zinc(II) complexes showing a tuned fluorescence response with respect to their tridentate ligands. A classification of the tridentate pincers was carried out according to the binding donor atom groups, specifically nitrogen, oxygen, and sulfur donor atoms, and depending on the structure obtained upon coordination. Fluorescence properties of the ligands and the related complexes were compared and discussed both in solution and in the solid state, keeping an eye on possible applications.
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50
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Bertrand B, Botuha C, Forté J, Dossmann H, Salmain M. A Bis-Chelating O N O ^ / N N ^ Ligand for the Synthesis of Heterobimetallic Platinum(II)/Rhenium(I) Complexes: Tools for the Optimization of a New Class of Platinum(II) Anticancer Agents. Chemistry 2020; 26:12846-12861. [PMID: 32602602 DOI: 10.1002/chem.202001752] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2020] [Revised: 06/23/2020] [Indexed: 01/03/2023]
Abstract
The two independent and N N ^ coordination sites of a newly synthesized bis[2-(hydroxyphenyl)-1,2,4-triazole] platform have been exploited to prepare four monometallic neutral ()PtII complexes carrying DMSO, pyridine, triphenylphosphine, or N-heterocyclic carbene as the fourth ligand. Then, the second N N ^ coordination site was used to introduce an IR-active rhenium tricarbonyl entity, affording the four corresponding heterobimetallic neutral PtII /ReI complexes, as well as a cationic PtII /ReI derivative. X-ray crystallographic studies showed that distortion of the organic platform occurred to accommodate the coordination geometry of both metal centers. No ligand exchange or transchelation occurred upon incubation of the PtII complexes in aqueous environment or in the presence of FeIII , respectively. The antiproliferative activity of the ligand and complexes was first screened on the triple-negative breast cancer cell line MDA-MB-231. Then, the IC50 values of the most active candidates were determined on a wider panel of human cancer cells (MDA-MB-231, MCF-7, and A2780), as well as on a nontumorigenic cell line (MCF-10A). Low micromolar activities were reached for the complexes carrying a DMSO ligand, making them the first examples of highly active, but hydrolytically stable, PtII complexes. Finally, the characteristic mid-IR signature of the {Re(CO)3 } fragment in the Pt/Re heterobimetallic complexes was used to quantify their uptake in breast cancer cells.
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Affiliation(s)
- Benoît Bertrand
- CNRS, Institut Parisien de Chimie Moléculaire (IPCM), Sorbonne Université, 75005, Paris, France
| | - Candice Botuha
- CNRS, Institut Parisien de Chimie Moléculaire (IPCM), Sorbonne Université, 75005, Paris, France
| | - Jérémy Forté
- CNRS, Institut Parisien de Chimie Moléculaire (IPCM), Sorbonne Université, 75005, Paris, France
| | - Héloïse Dossmann
- CNRS, Institut Parisien de Chimie Moléculaire (IPCM), Sorbonne Université, 75005, Paris, France
| | - Michèle Salmain
- CNRS, Institut Parisien de Chimie Moléculaire (IPCM), Sorbonne Université, 75005, Paris, France
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