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Mészáros JP, Kovács H, Spengler G, Kovács F, Frank É, Enyedy ÉA. A comparative study on the metal complexes of an anticancer estradiol-hydroxamate conjugate and salicylhydroxamic acid. J Inorg Biochem 2023; 244:112223. [PMID: 37084580 DOI: 10.1016/j.jinorgbio.2023.112223] [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: 03/02/2023] [Revised: 04/03/2023] [Accepted: 04/10/2023] [Indexed: 04/23/2023]
Abstract
Hydroxamic acids bearing an (O,O) donor set are well-known metal-chelating compounds with diverse biological activities including anticancer activity. Since steroid conjugation with a pharmacophoric moiety may have the potential to improve this effect, a salicylhydroxamic acid-estradiol hybrid molecule (E2HA) was synthesized. Only minimal effect of the conjugation on the proton dissociation constants was observed in comparison to salicylhydroxamic acid (SHA). The complexation with essential metal ions (iron, copper) was characterized, since E2HA may exert its cytotoxicity through the binding of these ions in cells. UV-visible spectrophotometric and pH-potentiometric titrations revealed the formation of high-stability complexes, while the Fe(III) preference over Fe(II) was proved by cyclic voltammetry and spectroelectrochemical measurements. Complex formation with half-sandwich Rh(III)(η5-Cp*) and Ru(II)(η6-p-cymene) organometallic cations was also studied as it may improve the anticancer effect and the pharmacokinetic profile of the ligand. At equimolar concentration the speciation is complicated because of the presence of mononuclear and binuclear complexes. The complexes readily react with small molecules e.g. glutathione, 1-methylimidazole and nucleosides, having major effect on solution speciation, namely mixed-ligand complex formation and ligand displacement occur. These processes serve as models for the interactions with biomolecules in the body. E2HA exerted moderate anticancer activity (IC50 = 25-59 μM) in the tested three human cancer cell lines (Colo205, Colo320 and MCF-7), while being non-toxic on non-cancerous MRC-5 cells. Meanwhile, SHA was inactive in the same cells. Complexation with half-sandwich Rh(III) and Ru(II) cations had only a minor improvement on the cytotoxic effect of E2HA.
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Affiliation(s)
- János P Mészáros
- MTA-SZTE Lendület Functional Metal Complexes Research Group, Department of Inorganic and Analytical Chemistry, Interdisciplinary Excellence Centre, University of Szeged, Dóm tér 7, H-6720 Szeged, Hungary
| | - Hilda Kovács
- MTA-SZTE Lendület Functional Metal Complexes Research Group, Department of Inorganic and Analytical Chemistry, Interdisciplinary Excellence Centre, University of Szeged, Dóm tér 7, H-6720 Szeged, Hungary
| | - Gabriella Spengler
- MTA-SZTE Lendület Functional Metal Complexes Research Group, Department of Inorganic and Analytical Chemistry, Interdisciplinary Excellence Centre, University of Szeged, Dóm tér 7, H-6720 Szeged, Hungary; Department of Medical Microbiology, Albert Szent-Györgyi Health Center and Albert Szent-Györgyi Medical School, University of Szeged, Semmelweis u. 6, H-6725 Szeged, Hungary
| | - Ferenc Kovács
- Department of Organic Chemistry, University of Szeged, Dóm tér 8, H-6720 Szeged, Hungary
| | - Éva Frank
- Department of Organic Chemistry, University of Szeged, Dóm tér 8, H-6720 Szeged, Hungary
| | - Éva A Enyedy
- MTA-SZTE Lendület Functional Metal Complexes Research Group, Department of Inorganic and Analytical Chemistry, Interdisciplinary Excellence Centre, University of Szeged, Dóm tér 7, H-6720 Szeged, Hungary.
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Ait‐Ramdane‐Terbouche C, Elazara ZS, Terbouche A, Lakhdari H, Khalfaoui M, Boumechhour A, Mezaoui D. Synthesis, Spectral Characterization, Antioxidant, Antimicrobial and Anticancer Activities of New Binuclear Copper and Rhodium Complexes. ChemistrySelect 2022. [DOI: 10.1002/slct.202202937] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
Affiliation(s)
- Chafia Ait‐Ramdane‐Terbouche
- Centre de Recherche Scientifique et Technique en Analyses Physico-chimiques(CRAPC), BP384, Bou-Ismail RP 42004 Tipasa Algeria
| | - Zakaria Sid Elazara
- Centre de Recherche Scientifique et Technique en Analyses Physico-chimiques(CRAPC), BP384, Bou-Ismail RP 42004 Tipasa Algeria
- Faculté de Chimie, USTHB 16111 Algiers Algeria
| | - Achour Terbouche
- Centre de Recherche Scientifique et Technique en Analyses Physico-chimiques(CRAPC), BP384, Bou-Ismail RP 42004 Tipasa Algeria
| | - Houria Lakhdari
- Centre de Recherche Scientifique et Technique en Analyses Physico-chimiques(CRAPC), BP384, Bou-Ismail RP 42004 Tipasa Algeria
| | | | - Abdenour Boumechhour
- Centre de Recherche Scientifique et Technique en Analyses Physico-chimiques(CRAPC), BP384, Bou-Ismail RP 42004 Tipasa Algeria
| | - Djillali Mezaoui
- Laboratoire Sciences des Matériaux, Faculté de Chimie, USTHB 16111 Algiers Algeria
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Pathak K, Mishra S, Bairagi S, Rajeshwaree B, Dutta A, Ghosh S. Thiolate-Bridged Heterodinuclear Manganese–Cobalt Complexes with Bridging Hydride Ligands. Organometallics 2022. [DOI: 10.1021/acs.organomet.2c00421] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Kriti Pathak
- Department of Chemistry, Indian Institute of Technology Madras, Chennai 600036, India
| | - Shivankan Mishra
- Department of Chemistry, Indian Institute of Technology Madras, Chennai 600036, India
| | - Subhash Bairagi
- Department of Chemistry, Indian Institute of Technology Madras, Chennai 600036, India
| | - B. Rajeshwaree
- Department of Chemistry, Indian Institute of Technology Bombay, Mumbai 400076, India
| | - Arnab Dutta
- Department of Chemistry, Indian Institute of Technology Bombay, Mumbai 400076, India
| | - Sundargopal Ghosh
- Department of Chemistry, Indian Institute of Technology Madras, Chennai 600036, India
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Abstract
Platinum-based anticancer drugs are most likely the most successful group of bioinorganic compounds. Their apparent disadvantages have led to the development of anticancer compounds of other noble metals, resulting in several ruthenium-based drugs which have entered clinical trials on oncological patients. Besides ruthenium, numerous rhodium complexes have been recently reported as highly potent antiproliferative agents against various human cancer cells, making them potential alternatives to Pt- and Ru-based metallodrugs. In this review, half-sandwich Rh(III) complexes are overviewed. Many representatives show higher in vitro potency than and different mechanisms of action (MoA) from the conventional anticancer metallodrugs (cisplatin in most cases) or clinically studied Ru drug candidates. Furthermore, some of the reviewed Rh(III) arenyl complexes are also anticancer in vivo. Pioneer anticancer organorhodium compounds as well as the recent advances in the field are discussed properly, and adequate attention is paid to their anticancer activity, solution behaviour and various processes connected with their MoA. In summary, this work summarizes the types of compounds and the most important biological results obtained in the field of anticancer half-sandwich Rh complexes.
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Primasová H, Ninova S, de Capitani M, Daepp J, Aschauer U, Furrer J. Dinuclear thiolato-bridged arene ruthenium complexes: from reaction conditions and mechanism to synthesis of new complexes. RSC Adv 2020; 10:40106-40116. [PMID: 35520857 PMCID: PMC9057517 DOI: 10.1039/d0ra08146a] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/23/2020] [Accepted: 10/21/2020] [Indexed: 11/27/2022] Open
Abstract
Several dinuclear thiophenolato-bridged arene ruthenium complexes [(η6-p-MeC6H4Pri)2Ru2(μ2-SC6H4-R)3]+ (R = H, NO2, F) could so far only be obtained in fair yields using the synthetic route established in the early 2000s. With much less reactive aliphatic thiols or with bulky thiols, the reactions become even less efficient and the desired complexes are obtained with low yields or not at all. We employed density functional theory (DFT) calculations to gain a fundamental understanding of the reaction mechanisms leading to the formation of dithiolato and trithiolato complexes starting from the dichloro(p-cymene)ruthenium(ii) dimer [(η6-p-MeC6H4Pri)Ru(μ2-Cl)Cl]2. The results of the DFT study enabled us to rationalise the experimental results and allowed us, via a modified synthetic route, to synthesise previously unreported and hitherto considered as unrealistic complexes. Our study opens up possibilities for the synthesis of so far inaccessible thiolato-bridged dinuclear arene ruthenium(ii) complexes but more generally, also the synthesis of other thiolato-bridged dinuclear group 8 and 9 metal complexes could be reexamined.
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Affiliation(s)
- Hedvika Primasová
- Department of Chemistry and Biochemistry, Universität Bern Freiestrasse 3 CH-3012 Switzerland
| | - Silviya Ninova
- Department of Chemistry and Biochemistry, Universität Bern Freiestrasse 3 CH-3012 Switzerland
| | - Mario de Capitani
- Department of Chemistry and Biochemistry, Universität Bern Freiestrasse 3 CH-3012 Switzerland
| | - Jana Daepp
- Department of Chemistry and Biochemistry, Universität Bern Freiestrasse 3 CH-3012 Switzerland
| | - Ulrich Aschauer
- Department of Chemistry and Biochemistry, Universität Bern Freiestrasse 3 CH-3012 Switzerland
| | - Julien Furrer
- Department of Chemistry and Biochemistry, Universität Bern Freiestrasse 3 CH-3012 Switzerland
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Lord RM, McGowan PC. Organometallic Iridium Arene Compounds: The Effects of C-Donor Ligands on Anticancer Activity. CHEM LETT 2019. [DOI: 10.1246/cl.190179] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Affiliation(s)
- Rianne M. Lord
- School of Chemistry and Biosciences, University of Bradford, Bradford, BD7 1DP, U.K
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Karthikeyan M, Govindarajan R, Duraisamy E, Veena V, Sakthivel N, Manimaran B. Self-Assembly of Chalcogenolato-Bridged Ester and Amide Functionalized Dinuclear Re(I) Metallacycles: Synthesis, Structural Characterization and Preliminary Cytotoxicity Studies. ChemistrySelect 2017. [DOI: 10.1002/slct.201700646] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Affiliation(s)
| | | | | | - Vijayakumar Veena
- Department of Biotechnology; Pondicherry University; Puducherry 605014 India
| | - Natarajan Sakthivel
- Department of Biotechnology; Pondicherry University; Puducherry 605014 India
| | - Bala. Manimaran
- Department of Chemistry; Pondicherry University; Puducherry 605014 India
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Recent advances in the chemistry of tris(thiolato) bridged cyclopentadienyl dimolybdenum complexes. Coord Chem Rev 2017. [DOI: 10.1016/j.ccr.2016.10.004] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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Zábojníková T, Cajzl R, Kljun J, Chval Z, Turel I, Burda JV. Interactions of the "piano-stool" [ruthenium(II)(η(6) -arene)(quinolone)Cl](+) complexes with water; DFT computational study. J Comput Chem 2016; 37:1766-80. [PMID: 27185047 DOI: 10.1002/jcc.24373] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/28/2015] [Revised: 02/23/2016] [Accepted: 02/24/2016] [Indexed: 12/12/2022]
Abstract
Full optimizations of stationary points along the reaction coordinate for the hydration of several quinolone Ru(II) half-sandwich complexes were performed in water environment using the B3PW91/6-31+G(d)/PCM/UAKS method. The role of diffuse functions (especially on oxygen) was found crucial for correct geometries along the reaction coordinate. Single-point (SP) calculations were performed at the B3LYP/6-311++G(2df,2pd)/DPCM/saled-UAKS level. In the first part, two possible reaction mechanisms-associative and dissociative were compared. It was found that the dissociative mechanism of the hydration process is kinetically slightly preferred. Another important conclusion concerns the reaction channels. It was found that substitution of chloride ligand (abbreviated in the text as dechlorination reaction) represents energetically and kinetically the most feasible pathway. In the second part the same hydration reaction was explored for reactivity comparison of the Ru(II)-complexes with several derivatives of nalidixic acid: cinoxacin, ofloxacin, and (thio)nalidixic acid. The hydration process is about four orders of magnitude faster in a basic solution compared to neutral/acidic environment with cinoxacin and nalidixic acid as the most reactive complexes in the former and latter environments, respectively. The explored hydration reaction is in all cases endergonic; nevertheless the endergonicity is substantially lower (by ∼6 kcal/mol) in basic environment. © 2016 Wiley Periodicals, Inc.
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Affiliation(s)
- Tereza Zábojníková
- Department of Chemical Physics and Optics, Faculty of Mathematics and Physics, Charles University, Ke Karlovu 3, Prague 2, 121 16, Czech Republic
| | - Radim Cajzl
- Department of Chemical Physics and Optics, Faculty of Mathematics and Physics, Charles University, Ke Karlovu 3, Prague 2, 121 16, Czech Republic
| | - Jakob Kljun
- Faculty of Chemistry and Chemical Technologyn University of Ljubljana, Večna pot 113, Ljubljana, 1000, Slovenia
| | - Zdeněk Chval
- Department of Laboratory Methods and Information Systems, Faculty of Health and Social Studies, University of South Bohemia, J. Boreckého 27, České Budějovice, 370 11, Czech Republic
| | - Iztok Turel
- Faculty of Chemistry and Chemical Technologyn University of Ljubljana, Večna pot 113, Ljubljana, 1000, Slovenia
| | - Jaroslav V Burda
- Department of Chemical Physics and Optics, Faculty of Mathematics and Physics, Charles University, Ke Karlovu 3, Prague 2, 121 16, Czech Republic
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Synthesis, characterization, antiproliferative and molecular docking study of new half sandwich Ir(III), Rh(III) and Ru(II) complexes. J Inorg Biochem 2016; 159:50-61. [PMID: 26918899 DOI: 10.1016/j.jinorgbio.2016.02.006] [Citation(s) in RCA: 34] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2015] [Revised: 01/19/2016] [Accepted: 02/10/2016] [Indexed: 12/28/2022]
Abstract
The new carbazole N,N' ligand containing [(η(5)-C5Me5)MCl(L)]PF6, (M=Ir (1) and Rh (2)) and [(η(6)-C6H6)RuCl(L)]PF6 (3) (C5Me5=pentamethylcyclopentadienyl, L=9-ethyl-N-(pyridine-2-yl methylene)-9H-carbazole-3-amine) complexes has been synthesized and characterized by (1)H NMR, (13)C NMR, 2D NMR, melting point analysis, electronic absorption, infrared spectroscopy, HR-Mass spectroscopy and elemental analyses. The crystal structure of the [(η(5)-C5Me5)RhCl(L)]PF6 has been confirmed by single crystal XRD. The anticancer study of the synthesized complexes 1-3 clearly showed a potent inhibitor of human breast cancer cells (MCF-7) under in vitro conditions. The inhibitory concentrations (IC50) of the complexes 1-3 were determined at low (5, 6 and 8μM) concentration against the MCF-7 human breast cancer cell line. Further cytotoxic, cell cycle and nuclear studies confirmed that the novel half sandwich Ir(III), Rh(III) and Ru(II) complexes could be effective against MCF-7 human breast cancer cell proliferation. Moreover the results indicate that anticancer in vitro activity of complexes 1-3 falls in the order of 1>2>3. A molecular docking study of the complexes 1-3 showed the nature of binding energy, H-bond and hydrophobic interactions with the cyclooxygenase-2 (COX-2) receptor.
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Furrer J, Süss-Fink G. Thiolato-bridged dinuclear arene ruthenium complexes and their potential as anticancer drugs. Coord Chem Rev 2016. [DOI: 10.1016/j.ccr.2015.10.007] [Citation(s) in RCA: 78] [Impact Index Per Article: 9.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023]
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Antiproliferative activities of trithiolato-bridged dinuclear arene osmium complexes. Inorganica Chim Acta 2014. [DOI: 10.1016/j.ica.2014.07.050] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
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