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Salmain M, Gaschard M, Baroud M, Lepeltier E, Jaouen G, Passirani C, Vessières A. Thioredoxin Reductase and Organometallic Complexes: A Pivotal System to Tackle Multidrug Resistant Tumors? Cancers (Basel) 2023; 15:4448. [PMID: 37760418 PMCID: PMC10526406 DOI: 10.3390/cancers15184448] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2023] [Revised: 09/01/2023] [Accepted: 09/01/2023] [Indexed: 09/29/2023] Open
Abstract
Cancers classified as multidrug-resistant (MDR) are a family of diseases with poor prognosis despite access to increasingly sophisticated treatments. Several mechanisms explain these resistances involving both tumor cells and their microenvironment. It is now recognized that a multi-targeting approach offers a promising strategy to treat these MDR tumors. Inhibition of thioredoxin reductase (TrxR), a key enzyme in maintaining redox balance in cells, is a well-identified target for this approach. Auranofin was the first inorganic gold complex to be described as a powerful inhibitor of TrxR. In this review, we will first recall the main results obtained with this metallodrug. Then, we will focus on organometallic complexes reported as TrxR inhibitors. These include gold(I), gold(III) complexes and metallocifens, i.e., organometallic complexes of Fe and Os derived from tamoxifen. In these families of complexes, similarities and differences in the molecular mechanisms of TrxR inhibition will be highlighted. Finally, the possible relationship between TrxR inhibition and cytotoxicity will be discussed and put into perspective with their mode of action.
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Affiliation(s)
- Michèle Salmain
- Sorbonne Université, CNRS, Institut Parisien de Chimie Moléculaire (IPCM), 4 Place Jussieu, F-75005 Paris, France; (M.S.); (M.G.); (G.J.); (A.V.)
| | - Marie Gaschard
- Sorbonne Université, CNRS, Institut Parisien de Chimie Moléculaire (IPCM), 4 Place Jussieu, F-75005 Paris, France; (M.S.); (M.G.); (G.J.); (A.V.)
| | - Milad Baroud
- Micro & Nanomedecines Translationnelles (MINT), University of Angers, Inserm, The National Center for Scientific Research (CNRS), SFR ICAT, F-49000 Angers, France; (M.B.); (E.L.)
| | - Elise Lepeltier
- Micro & Nanomedecines Translationnelles (MINT), University of Angers, Inserm, The National Center for Scientific Research (CNRS), SFR ICAT, F-49000 Angers, France; (M.B.); (E.L.)
| | - Gérard Jaouen
- Sorbonne Université, CNRS, Institut Parisien de Chimie Moléculaire (IPCM), 4 Place Jussieu, F-75005 Paris, France; (M.S.); (M.G.); (G.J.); (A.V.)
| | - Catherine Passirani
- Micro & Nanomedecines Translationnelles (MINT), University of Angers, Inserm, The National Center for Scientific Research (CNRS), SFR ICAT, F-49000 Angers, France; (M.B.); (E.L.)
| | - Anne Vessières
- Sorbonne Université, CNRS, Institut Parisien de Chimie Moléculaire (IPCM), 4 Place Jussieu, F-75005 Paris, France; (M.S.); (M.G.); (G.J.); (A.V.)
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Koh WX, Fong JL, Goh PX, Gomez AP, Wong ZX, Leong WK. Photochemical reactions of dinuclear organometallic complexes with diphenyl dichalcogenides. J Organomet Chem 2022. [DOI: 10.1016/j.jorganchem.2022.122517] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/01/2022]
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Reactive Oxygen Species Production Is Responsible for Antineoplastic Activity of Osmium, Ruthenium, Iridium and Rhodium Half-Sandwich Type Complexes with Bidentate Glycosyl Heterocyclic Ligands in Various Cancer Cell Models. Int J Mol Sci 2022; 23:ijms23020813. [PMID: 35054999 PMCID: PMC8776094 DOI: 10.3390/ijms23020813] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2021] [Revised: 01/07/2022] [Accepted: 01/08/2022] [Indexed: 02/04/2023] Open
Abstract
Platinum complexes are used in chemotherapy, primarily as antineoplastic agents. In this study, we assessed the cytotoxic and cytostatic properties of a set of osmium(II), ruthenium(II), iridium(III) and rhodium(III) half-sandwich-type complexes with bidentate monosaccharide ligands. We identified 5 compounds with moderate to negligible acute cytotoxicity but with potent long-term cytostatic activity. These structure-activity relationship studies revealed that: (1) osmium(II) p-cymene complexes were active in all models, while rhodium(III) and iridium(III) Cp* complexes proved largely inactive; (2) the biological effect was influenced by the nature of the central azole ring of the ligands—1,2,3-triazole was the most effective, followed by 1,3,4-oxadiazole, while the isomeric 1,2,4-oxadiazole abolished the cytostatic activity; (3) we found a correlation between the hydrophobic character of the complexes and their cytostatic activity: compounds with O-benzoyl protective groups on the carbohydrate moiety were active, compared to O-deprotected ones. The best compound, an osmium(II) complex, had an IC50 value of 0.70 µM. Furthermore, the steepness of the inhibitory curve of the active complexes suggested cooperative binding; cooperative molecules were better inhibitors than non-cooperative ones. The cytostatic activity of the active complexes was abolished by a lipid-soluble antioxidant, vitamin E, suggesting that oxidative stress plays a major role in the biological activity of the complexes. The complexes were active on ovarian cancer, pancreatic adenocarcinoma, osteosarcoma and Hodgkin’s lymphoma cells, but were inactive on primary, non-transformed human fibroblasts, indicating their applicability as potential anticancer agents.
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Vessières A, Wang Y, McGlinchey MJ, Jaouen G. Multifaceted chemical behaviour of metallocene (M = Fe, Os) quinone methides. Their contribution to biology. Coord Chem Rev 2021. [DOI: 10.1016/j.ccr.2020.213658] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
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Koh WX, Gomez AP, Lee J, Mohameed JBH, Leong WK. Relative reactivity of the dinuclear ruthenium complex [CpRu(CO)2]2 with diphenylselenyl sulphide and diphenyl disulphide. RESULTS IN CHEMISTRY 2021. [DOI: 10.1016/j.rechem.2021.100159] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022] Open
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Tonolo F, Salmain M, Scalcon V, Top S, Pigeon P, Folda A, Caron B, McGlinchey MJ, Toillon R, Bindoli A, Jaouen G, Vessières A, Rigobello MP. Small Structural Differences between Two Ferrocenyl Diphenols Determine Large Discrepancies of Reactivity and Biological Effects. ChemMedChem 2019; 14:1717-1726. [DOI: 10.1002/cmdc.201900430] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/18/2019] [Revised: 09/04/2019] [Indexed: 02/06/2023]
Affiliation(s)
- Federica Tonolo
- Dipartimento di Scienze BiomedicheUniversità di Padova Via Ugo Bassi 58/b 35131 Padova Italy
| | - Michèle Salmain
- Sorbonne UniversitéCNRS, IPCM 4 Place Jussieu 75005 Paris France
| | - Valeria Scalcon
- Dipartimento di Scienze BiomedicheUniversità di Padova Via Ugo Bassi 58/b 35131 Padova Italy
| | - Siden Top
- Sorbonne UniversitéCNRS, IPCM 4 Place Jussieu 75005 Paris France
| | - Pascal Pigeon
- Sorbonne UniversitéCNRS, IPCM 4 Place Jussieu 75005 Paris France
- Chimie ParisTechPSL University 11 rue Pierre et Marie Curie 75005 Paris France
| | - Alessandra Folda
- Dipartimento di Scienze BiomedicheUniversità di Padova Via Ugo Bassi 58/b 35131 Padova Italy
| | - Benoit Caron
- Sorbonne UniversitéISTeP, ALIPP6 4 Place Jussieu 75005 Paris France
| | | | | | - Alberto Bindoli
- Istituto di Neuroscienze (CNR) Sezione di Padovac/o Dipartimento di Scienze Biomediche Via Ugo Bassi 58/b 35131 Padova Italy
| | - Gérard Jaouen
- Sorbonne UniversitéCNRS, IPCM 4 Place Jussieu 75005 Paris France
- Chimie ParisTechPSL University 11 rue Pierre et Marie Curie 75005 Paris France
| | - Anne Vessières
- Sorbonne UniversitéCNRS, IPCM 4 Place Jussieu 75005 Paris France
| | - Maria Pia Rigobello
- Dipartimento di Scienze BiomedicheUniversità di Padova Via Ugo Bassi 58/b 35131 Padova Italy
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Shirley Lee HZ, Chau F, Top S, Jaouen G, Vessières A, Labbé E, Buriez O. New mechanistic insights into osmium-based tamoxifen derivatives. Electrochim Acta 2019. [DOI: 10.1016/j.electacta.2019.02.019] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
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Fus F, Yang Y, Lee HZS, Top S, Carriere M, Bouron A, Pacureanu A, da Silva JC, Salmain M, Vessières A, Cloetens P, Jaouen G, Bohic S. Intracellular Localization of an Osmocenyl‐Tamoxifen Derivative in Breast Cancer Cells Revealed by Synchrotron Radiation X‐ray Fluorescence Nanoimaging. Angew Chem Int Ed Engl 2019. [DOI: 10.1002/ange.201812336] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
Affiliation(s)
- Florin Fus
- EA 7442, Laboratoire Rayonnement Synchrotron et Recherche MédicaleUniversité Grenoble Alpes Grenoble France
- European Synchrotron Radiation FacilityID16A beamline, ESRF Grenoble France
| | - Yang Yang
- European Synchrotron Radiation FacilityID16A beamline, ESRF Grenoble France
| | | | - Siden Top
- Sorbonne UniversitéCNRSInstitut Parisien de Chimie Moléculaire (IPCM) 75005 Paris France
| | - Marie Carriere
- Univ. Grenoble Grenoble AlpesCEACNRS, INAC-SyMMES, CIBEST 38000 Grenoble France
| | - Alexandre Bouron
- Laboratoire de Chimie et Biologie des Métaux, UMR CNRS 5249Université Grenoble Alpes, CEA, BIG Grenoble France
| | | | | | - Michèle Salmain
- Sorbonne UniversitéCNRSInstitut Parisien de Chimie Moléculaire (IPCM) 75005 Paris France
| | - Anne Vessières
- Sorbonne UniversitéCNRSInstitut Parisien de Chimie Moléculaire (IPCM) 75005 Paris France
| | - Peter Cloetens
- European Synchrotron Radiation FacilityID16A beamline, ESRF Grenoble France
| | - Gérard Jaouen
- Sorbonne UniversitéCNRSInstitut Parisien de Chimie Moléculaire (IPCM) 75005 Paris France
- PSLChimie ParisTech 11 rue Pierre et Marie Curie 75005 Paris France
| | - Sylvain Bohic
- EA 7442, Laboratoire Rayonnement Synchrotron et Recherche MédicaleUniversité Grenoble Alpes Grenoble France
- European Synchrotron Radiation FacilityID16A beamline, ESRF Grenoble France
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9
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Fus F, Yang Y, Lee HZS, Top S, Carriere M, Bouron A, Pacureanu A, da Silva JC, Salmain M, Vessières A, Cloetens P, Jaouen G, Bohic S. Intracellular Localization of an Osmocenyl‐Tamoxifen Derivative in Breast Cancer Cells Revealed by Synchrotron Radiation X‐ray Fluorescence Nanoimaging. Angew Chem Int Ed Engl 2019; 58:3461-3465. [DOI: 10.1002/anie.201812336] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2018] [Revised: 01/09/2019] [Indexed: 12/18/2022]
Affiliation(s)
- Florin Fus
- EA 7442, Laboratoire Rayonnement Synchrotron et Recherche MédicaleUniversité Grenoble Alpes Grenoble France
- European Synchrotron Radiation FacilityID16A beamline, ESRF Grenoble France
| | - Yang Yang
- European Synchrotron Radiation FacilityID16A beamline, ESRF Grenoble France
| | | | - Siden Top
- Sorbonne UniversitéCNRSInstitut Parisien de Chimie Moléculaire (IPCM) 75005 Paris France
| | - Marie Carriere
- Univ. Grenoble Grenoble AlpesCEACNRS, INAC-SyMMES, CIBEST 38000 Grenoble France
| | - Alexandre Bouron
- Laboratoire de Chimie et Biologie des Métaux, UMR CNRS 5249Université Grenoble Alpes, CEA, BIG Grenoble France
| | | | | | - Michèle Salmain
- Sorbonne UniversitéCNRSInstitut Parisien de Chimie Moléculaire (IPCM) 75005 Paris France
| | - Anne Vessières
- Sorbonne UniversitéCNRSInstitut Parisien de Chimie Moléculaire (IPCM) 75005 Paris France
| | - Peter Cloetens
- European Synchrotron Radiation FacilityID16A beamline, ESRF Grenoble France
| | - Gérard Jaouen
- Sorbonne UniversitéCNRSInstitut Parisien de Chimie Moléculaire (IPCM) 75005 Paris France
- PSLChimie ParisTech 11 rue Pierre et Marie Curie 75005 Paris France
| | - Sylvain Bohic
- EA 7442, Laboratoire Rayonnement Synchrotron et Recherche MédicaleUniversité Grenoble Alpes Grenoble France
- European Synchrotron Radiation FacilityID16A beamline, ESRF Grenoble France
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10
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Wang Y, Heinemann F, Top S, Dazzi A, Policar C, Henry L, Lambert F, Jaouen G, Salmain M, Vessieres A. Ferrocifens labelled with an infrared rhenium tricarbonyl tag: synthesis, antiproliferative activity, quantification and nano IR mapping in cancer cells. Dalton Trans 2018; 47:9824-9833. [PMID: 29993046 DOI: 10.1039/c8dt01582a] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
Antiproliferative activities of several members of the ferrocifen family, both in vitro and in vivo, are well documented although their precise location in cancer cells has not yet been elucidated. However, two different infrared imaging techniques have been used to map the non-cytotoxic cyrhetrenyl analogue of ferrociphenol in a single cell. This observation prompted us to tag two ferrocifens with a cyrhetrenyl unit [CpRe(CO)3; Cp = η5-cyclopentadienyl] by grafting it, via an ester bond, either to one of the phenols (4, 5) or to the hydroxypropyl chain (6). Complexes 4-6 retained a high cytotoxicity on breast cancer cells (MDA-MB-231) with IC50 values in the range 0.32-2.5 μM. Transmission IR spectroscopy was used to quantify the amount of cyrhetrenyl tag present in cells incubated with 5 or 6. The results show that after a 1-hour incubation of cells at 37 °C, complexes 5 and 6 are mainly present within cells while only a limited percentage, quantified by ICP-OES, remained in the incubation medium. AFM-IR spectroscopy, a technique coupling infrared irradiation with near-field AFM detection, was used to map the cyrhetrenyl unit in a single MDA-MB-231 cell, incubated at 37 °C for 1 hour with 10 μM of 6. The results show that signal distribution of the characteristic band of the Re(CO)3 entity at 1950 cm-1 matched those of amide and phosphate, thus indicating a location of the complex mainly in the cell nucleus.
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Affiliation(s)
- Yong Wang
- Sorbonne Université, CNRS, Institut Parisien de Chimie Moléculaire (IPCM), F-75005 Paris, France.
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Scalcon V, Bindoli A, Rigobello MP. Significance of the mitochondrial thioredoxin reductase in cancer cells: An update on role, targets and inhibitors. Free Radic Biol Med 2018; 127:62-79. [PMID: 29596885 DOI: 10.1016/j.freeradbiomed.2018.03.043] [Citation(s) in RCA: 86] [Impact Index Per Article: 14.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/31/2018] [Revised: 03/21/2018] [Accepted: 03/24/2018] [Indexed: 12/26/2022]
Abstract
Thioredoxin reductase 2 (TrxR2) is a key component of the mitochondrial thioredoxin system able to transfer electrons to peroxiredoxin 3 (Prx3) in a reaction mediated by thioredoxin 2 (Trx2). In this way, both the level of hydrogen peroxide and thiol redox state are modulated. TrxR2 is often overexpressed in cancer cells conferring apoptosis resistance. Due to their exposed flexible arm containing selenocysteine, both cytosolic and mitochondrial TrxRs are inhibited by a large number of molecules. The various classes of inhibitors are listed and the molecules acting specifically on TrxR2 are extensively described. Particular emphasis is given to gold(I/III) complexes with phosphine, carbene or other ligands and to tamoxifen-like metallocifens. Also chemically unrelated organic molecules, including natural compounds and their derivatives, are taken into account. An important feature of many TrxR2 inhibitors is provided by their nature of delocalized lipophilic cations that allows their accumulation in mitochondria exploiting the organelle membrane potential. The consequences of TrxR2 inhibition are presented focusing especially on the impact on mitochondrial pathophysiology. Inhibition of TrxR2, by hindering the activity of Trx2 and Prx3, increases the mitochondrial concentration of reactive oxygen species and shifts the thiol redox state toward a more oxidized condition. This is reflected by alterations of specific targets involved in the release of pro-apoptotic factors such as cyclophilin D which acts as a regulator of the mitochondrial permeability transition pore. Therefore, the selective inhibition of TrxR2 could be utilized to induce cancer cell apoptosis.
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Affiliation(s)
- Valeria Scalcon
- Department of Biomedical Sciences, University of Padova, Via Ugo Bassi 58/b, 35131 Padova, Italy.
| | - Alberto Bindoli
- Department of Biomedical Sciences, University of Padova, Via Ugo Bassi 58/b, 35131 Padova, Italy; Institute of Neuroscience (CNR), Padova Section, c/o Department of Biomedical Sciences, Viale G. Colombo 3, 35131 Padova, Italy
| | - Maria Pia Rigobello
- Department of Biomedical Sciences, University of Padova, Via Ugo Bassi 58/b, 35131 Padova, Italy.
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Scalcon V, Salmain M, Folda A, Top S, Pigeon P, Shirley Lee HZ, Jaouen G, Bindoli A, Vessières A, Rigobello MP. Tamoxifen-like metallocifens target the thioredoxin system determining mitochondrial impairment leading to apoptosis in Jurkat cells. Metallomics 2018. [PMID: 28636040 DOI: 10.1039/c7mt00121e] [Citation(s) in RCA: 26] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Abstract
Tamoxifen-like metallocifens (TLMs) of the group-8 metals (Fe, Ru, and Os) show strong anti-proliferative activity on cancer cell lines resistant to apoptosis, owing to their unique redox properties. In contrast, the thioredoxin system, which is involved in cellular redox balance, is often overexpressed in cancer cells, especially in tumour types resistant to standard chemotherapies. Therefore, we investigated the effect of these three TLMs on the thioredoxin system and evaluated the input of the metallocene unit in comparison with structurally related organic tamoxifens. In vitro, all three TLMs became strong inhibitors of the cytosolic (TrxR1) and mitochondrial (TrxR2) isoforms of thioredoxin reductase after enzymatic oxidation with HRP/H2O2 while none of the organic analogues was effective. In Jurkat cells, TLMs inhibited mainly TrxR2, resulting in the accumulation of oxidized thioredoxin 2 and cell redox imbalance. Overproduction of ROS resulted in a strong decrease in the mitochondrial membrane potential, translocation of cytochrome c to the cytosol and activation of caspase 3, thus leading to apoptosis. None of these events occurred with organic tamoxifens. The mitochondrial fraction of cells exposed to TLMs contained a high amount of the corresponding metal, as quantified by ICP-OES. The lipophilic and cationic character associated with the singular redox properties of the TLMs could explain why they alter the mitochondrial function. These results provide new insights into the mechanism of action of tamoxifen-like metallocifens, underlying their prodrug behaviour and the pivotal role played by the metallocenic entity in their cytotoxic activity associated with the induction of apoptosis.
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Affiliation(s)
- Valeria Scalcon
- Dipartimento di Scienze Biomediche, Università di Padova, Via Ugo Bassi 58/b, 35131 Padova, Italy
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Zhang J, Zhang B, Li X, Han X, Liu R, Fang J. Small molecule inhibitors of mammalian thioredoxin reductase as potential anticancer agents: An update. Med Res Rev 2018; 39:5-39. [DOI: 10.1002/med.21507] [Citation(s) in RCA: 91] [Impact Index Per Article: 15.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2017] [Revised: 04/11/2018] [Accepted: 04/12/2018] [Indexed: 12/17/2022]
Affiliation(s)
- Junmin Zhang
- State Key Laboratory of Applied Organic Chemistry and College of Chemistry and Chemical Engineering; Lanzhou University; Lanzhou China
- School of Pharmacy; Lanzhou University; Lanzhou China
| | - Baoxin Zhang
- State Key Laboratory of Applied Organic Chemistry and College of Chemistry and Chemical Engineering; Lanzhou University; Lanzhou China
| | - Xinming Li
- State Key Laboratory of Applied Organic Chemistry and College of Chemistry and Chemical Engineering; Lanzhou University; Lanzhou China
| | - Xiao Han
- State Key Laboratory of Applied Organic Chemistry and College of Chemistry and Chemical Engineering; Lanzhou University; Lanzhou China
| | - Ruijuan Liu
- State Key Laboratory of Applied Organic Chemistry and College of Chemistry and Chemical Engineering; Lanzhou University; Lanzhou China
- School of Pharmacy; Lanzhou University; Lanzhou China
| | - Jianguo Fang
- State Key Laboratory of Applied Organic Chemistry and College of Chemistry and Chemical Engineering; Lanzhou University; Lanzhou China
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Konkankit CC, Marker SC, Knopf KM, Wilson JJ. Anticancer activity of complexes of the third row transition metals, rhenium, osmium, and iridium. Dalton Trans 2018; 47:9934-9974. [DOI: 10.1039/c8dt01858h] [Citation(s) in RCA: 153] [Impact Index Per Article: 25.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
A summary of recent developments on the anticancer activity of complexes of rhenium, osmium, and iridium is described.
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Affiliation(s)
| | - Sierra C. Marker
- Department of Chemistry and Chemical Biology
- Cornell University
- Ithaca
- USA
| | - Kevin M. Knopf
- Department of Chemistry and Chemical Biology
- Cornell University
- Ithaca
- USA
| | - Justin J. Wilson
- Department of Chemistry and Chemical Biology
- Cornell University
- Ithaca
- USA
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16
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Scalcon V, Citta A, Folda A, Bindoli A, Salmain M, Ciofini I, Blanchard S, de Jésús Cázares-Marinero J, Wang Y, Pigeon P, Jaouen G, Vessières A, Rigobello MP. Enzymatic oxidation of ansa-ferrocifen leads to strong and selective thioredoxin reductase inhibition in vitro. J Inorg Biochem 2016; 165:146-151. [PMID: 27567149 DOI: 10.1016/j.jinorgbio.2016.08.005] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2016] [Revised: 07/13/2016] [Accepted: 08/04/2016] [Indexed: 12/01/2022]
Abstract
This paper reports the inhibitory effect on the cytosolic thioredoxin reductase (TrxR1) in vitro by the ansa-ferrocifen derivative (ansa-FcdiOH, 1). We found that 1 decreased only slightly enzyme activity (IC50=8μM), while 1*, the species generated by enzymatic oxidation by the HRP (horseradish peroxidase)/H2O2 mixture, strongly inhibited TrxR1 (IC50=0.15μM). At the same concentrations, neither 1 nor 1* had effect on glutathione reductase (GR). The most potent TrxR1 inhibitor did not appear to be the corresponding quinone methide as it was the case for ferrocifens of the acyclic series, or the stabilized carbocation as in the osmocifen series, but rather the quinone methide radical. This hypothesis was confirmed by ab-initio calculations of the species generated by oxidation of 1 and by EPR spectroscopy. BIAM (biotin-conjugated iodoacetamide) assay showed that 1* targeted both cysteine and selenocysteine of the C-terminal redox center of TrxR1.
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Affiliation(s)
- Valeria Scalcon
- Dipartimento di Scienze Biomediche, Università di Padova, Via Ugo Bassi 58/b, 35131 Padova, Italy
| | - Anna Citta
- Dipartimento di Scienze Biomediche, Università di Padova, Via Ugo Bassi 58/b, 35131 Padova, Italy
| | - Alessandra Folda
- Dipartimento di Scienze Biomediche, Università di Padova, Via Ugo Bassi 58/b, 35131 Padova, Italy
| | - Alberto Bindoli
- Istituto di Neuroscienze (CNR) Sezione di Padova, c/o Dipartimento di Scienze Biomediche, Via Ugo Bassi, 58/b, 35131 Padova, Italy
| | - Michèle Salmain
- Sorbonne Universités, UPMC Univ Paris 06, CNRS, Institut Parisien de Chimie Moléculaire (IPCM), 75005 Paris, France
| | - Ilaria Ciofini
- PSL Research University, Chimie ParisTech, 11 rue Pierre et Marie Curie, 75005 Paris, France
| | - Sébastien Blanchard
- Sorbonne Universités, UPMC Univ Paris 06, CNRS, Institut Parisien de Chimie Moléculaire (IPCM), 75005 Paris, France
| | | | - Yong Wang
- Sorbonne Universités, UPMC Univ Paris 06, CNRS, Institut Parisien de Chimie Moléculaire (IPCM), 75005 Paris, France; PSL Research University, Chimie ParisTech, 11 rue Pierre et Marie Curie, 75005 Paris, France
| | - Pascal Pigeon
- Sorbonne Universités, UPMC Univ Paris 06, CNRS, Institut Parisien de Chimie Moléculaire (IPCM), 75005 Paris, France; PSL Research University, Chimie ParisTech, 11 rue Pierre et Marie Curie, 75005 Paris, France
| | - Gérard Jaouen
- Sorbonne Universités, UPMC Univ Paris 06, CNRS, Institut Parisien de Chimie Moléculaire (IPCM), 75005 Paris, France; PSL Research University, Chimie ParisTech, 11 rue Pierre et Marie Curie, 75005 Paris, France
| | - Anne Vessières
- Sorbonne Universités, UPMC Univ Paris 06, CNRS, Institut Parisien de Chimie Moléculaire (IPCM), 75005 Paris, France
| | - Maria Pia Rigobello
- Dipartimento di Scienze Biomediche, Università di Padova, Via Ugo Bassi 58/b, 35131 Padova, Italy.
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Beauperin M, Top S, Richard MA, Plażuk D, Pigeon P, Toma S, Poláčková V, Jaouen G. The length of the bridging chain in ansa-metallocenes influences their antiproliferative activity against triple negative breast cancer cells (TNBC). Dalton Trans 2016; 45:13126-34. [DOI: 10.1039/c6dt01640e] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
[n]Ferrocenophane and [n]ruthenocenophane derivatives have been synthesized and their antiproliferative activity evaluated against MDA-MB-231 cells.
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Affiliation(s)
| | - Siden Top
- Sorbonne Universités
- UPMC Univ Paris 6
- UMR 8232
- IPCM
- F-75005 Paris
| | | | - Damian Plażuk
- University of Lodz
- Faculty of Chemistry
- Department of Organic Chemistry
- Lodz 91-403
- Poland
| | - Pascal Pigeon
- Sorbonne Universités
- UPMC Univ Paris 6
- UMR 8232
- IPCM
- F-75005 Paris
| | - Stefan Toma
- Faculty of Natural Sciences
- Comenius University
- SK-84215 Bratislava
- Slovakia
| | - Viera Poláčková
- Faculty of Natural Sciences
- Comenius University
- SK-84215 Bratislava
- Slovakia
| | - Gérard Jaouen
- Sorbonne Universités
- UPMC Univ Paris 6
- UMR 8232
- IPCM
- F-75005 Paris
| |
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