1251
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Ruiz J, Rodríguez V, Cutillas N, Samper KG, Capdevila M, Palacios Ò, Espinosa A. Novel C,N-chelate rhodium(iii) and iridium(iii) antitumor complexes incorporating a lipophilic steroidal conjugate and their interaction with DNA. Dalton Trans 2012; 41:12847-56. [DOI: 10.1039/c2dt31654d] [Citation(s) in RCA: 75] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/16/2023]
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1252
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Plażuk D, Wieczorek A, Błauż A, Rychlik B. Synthesis and biological activities of ferrocenyl derivatives of paclitaxel. MEDCHEMCOMM 2012. [DOI: 10.1039/c2md00315e] [Citation(s) in RCA: 36] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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1253
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Zheng Y, Wang C, Li C, Qiao J, Zhang F, Huang M, Ren W, Dong C, Huang J, Zhou HB. Discovery of novel SERMs with a ferrocenyl entity based on the oxabicyclo[2.2.1]heptene scaffold and evaluation of their antiproliferative effects in breast cancer cells. Org Biomol Chem 2012; 10:9689-99. [DOI: 10.1039/c2ob26226f] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
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1254
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Patra M, Merz K, Metzler-Nolte N. Planar chiral (η6-arene)Cr(CO)3containing carboxylic acid derivatives: Synthesis and use in the preparation of organometallic analogues of the antibiotic platensimycin. Dalton Trans 2012; 41:112-7. [DOI: 10.1039/c1dt10918a] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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1255
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Gautier A, Cisnetti F. Advances in metal–carbene complexes as potent anti-cancer agents. Metallomics 2012; 4:23-32. [DOI: 10.1039/c1mt00123j] [Citation(s) in RCA: 255] [Impact Index Per Article: 21.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
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1256
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Kumar K, Singh P, Kremer L, Guérardel Y, Biot C, Kumar V. Synthesis and in vitro anti-tubercular evaluation of 1,2,3-triazole tethered β-lactam–ferrocene and β-lactam–ferrocenylchalcone chimeric scaffolds. Dalton Trans 2012; 41:5778-81. [DOI: 10.1039/c2dt30514c] [Citation(s) in RCA: 48] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/17/2023]
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1257
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Paul LEH, Therrien B, Furrer J. Investigation of the Reactivity between a Ruthenium Hexacationic Prism and Biological Ligands. Inorg Chem 2011; 51:1057-67. [DOI: 10.1021/ic2021935] [Citation(s) in RCA: 61] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Affiliation(s)
- Lydia E. H. Paul
- Departement für Chemie
und Biochemie, Universität Bern,
Freiestrasse 3, CH-3012 Bern, Switzerland
| | - Bruno Therrien
- Institut de Chimie, Université de Neuchâtel, Avenue de Bellevaux
51, CH-2000 Neuchâtel, Switzerland
| | - Julien Furrer
- Departement für Chemie
und Biochemie, Universität Bern,
Freiestrasse 3, CH-3012 Bern, Switzerland
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1258
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Liu W, Bensdorf K, Hagenbach A, Abram U, Niu B, Mariappan A, Gust R. Synthesis and biological studies of silver N-heterocyclic carbene complexes derived from 4,5-diarylimidazole. Eur J Med Chem 2011; 46:5927-34. [DOI: 10.1016/j.ejmech.2011.10.002] [Citation(s) in RCA: 47] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2011] [Revised: 09/26/2011] [Accepted: 10/02/2011] [Indexed: 12/23/2022]
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1259
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Bioorganometallics: First examples of cyclometalated iridium(III) complexes containing di- and tripeptide ester ligands. Inorganica Chim Acta 2011. [DOI: 10.1016/j.ica.2011.09.041] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
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1260
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Liu W, Bensdorf K, Proetto M, Abram U, Hagenbach A, Gust R. NHC Gold Halide Complexes Derived from 4,5-Diarylimidazoles: Synthesis, Structural Analysis, and Pharmacological Investigations as Potential Antitumor Agents. J Med Chem 2011; 54:8605-15. [DOI: 10.1021/jm201156x] [Citation(s) in RCA: 113] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Affiliation(s)
- Wukun Liu
- Institute of Pharmacy, Freie Universität Berlin, Königin-Luise-Strasse,
2+4, 14195 Berlin, Germany
| | - Kerstin Bensdorf
- Institute of Pharmacy, Freie Universität Berlin, Königin-Luise-Strasse,
2+4, 14195 Berlin, Germany
| | - Maria Proetto
- Institute of Pharmacy, Freie Universität Berlin, Königin-Luise-Strasse,
2+4, 14195 Berlin, Germany
| | - Ulrich Abram
- Institute of Chemistry and Biochemistry, Freie Universität Berlin, Fabeckstrasse 34-36,
14195 Berlin, Germany
| | - Adelheid Hagenbach
- Institute of Chemistry and Biochemistry, Freie Universität Berlin, Fabeckstrasse 34-36,
14195 Berlin, Germany
| | - Ronald Gust
- Institute of Pharmacy, Freie Universität Berlin, Königin-Luise-Strasse,
2+4, 14195 Berlin, Germany
- Institute
of Pharmacy, University of Innsbruck, Innrain
52, A-6020 Innsbruck,
Austria
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1261
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Gasser G, Neumann S, Ott I, Seitz M, Heumann R, Metzler-Nolte N. Preparation and Biological Evaluation of Di-Hetero-Organometallic-Containing PNA Bioconjugates. Eur J Inorg Chem 2011. [DOI: 10.1002/ejic.201100734] [Citation(s) in RCA: 39] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
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1262
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Rubbiani R, Can S, Kitanovic I, Alborzinia H, Stefanopoulou M, Kokoschka M, Mönchgesang S, Sheldrick WS, Wölfl S, Ott I. Comparative in vitro evaluation of N-heterocyclic carbene gold(I) complexes of the benzimidazolylidene type. J Med Chem 2011; 54:8646-57. [PMID: 22039997 DOI: 10.1021/jm201220n] [Citation(s) in RCA: 201] [Impact Index Per Article: 15.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Gold(I) complexes with a 1,3-diethylbenzimidazol-2-ylidene N-heterocyclic carbene (NHC) ligand of the type NHC-Au-L (L=-Cl, -NHC, or -PPh3) were comparatively evaluated as thioredoxin reductase (TrxR) inhibitors and antimitochondrial anticancer agents. Different effects were noted in various biochemical assays (e.g., inhibition of TrxR, cellular and mitochondrial uptake, or effects on mitochondrial membrane potential), and this was related to properties of the complexes such as bond dissociation energies and overall charge. Remarkable antiproliferative effects, a strong induction of apoptosis, and enhancement of reactive oxygen species (ROS) formation as well as other effects on tumor cell metabolism confirmed the promising potential of the complexes as novel anticancer chemotherapeutics.
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Affiliation(s)
- Riccardo Rubbiani
- Institute of Medicinal and Pharmaceutical Chemistry, Technische Universität Braunschweig, Beethovenstrasse 55, 38106 Braunschweig, Germany
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1263
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Affiliation(s)
- Katherine M. Buettner
- Department of Chemistry, Yale University, New Haven, Connecticut 06520-8107, United States
| | - Ann M. Valentine
- Department of Chemistry, Temple University, Philadelphia, Pennsylvania 19122, United States
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1264
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Balaji B, Banik B, Sasmal PK, Maity B, Majumdar R, Dighe RR, Chakravarty AR. Ferrocene-Conjugated Oxidovanadium(IV) Complexes as Potent Near-IR Light Photocytotoxic Agents. Eur J Inorg Chem 2011. [DOI: 10.1002/ejic.201100836] [Citation(s) in RCA: 24] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
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1265
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P-donor ligand containing ruthenium half-sandwich complexes as protein kinase inhibitors. Inorganica Chim Acta 2011. [DOI: 10.1016/j.ica.2011.07.032] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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1266
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Samouei H, Rashidi M, Heinemann FW. A cyclometalated diplatinum complex containing 1,1′-bis(diphenylphosphino)ferrocene as spacer ligand: Antitumor study. J Organomet Chem 2011. [DOI: 10.1016/j.jorganchem.2011.08.038] [Citation(s) in RCA: 37] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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1267
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Nieto D, González-Vadillo AM, Bruña S, Pastor CJ, Ríos-Luci C, León LG, Padrón JM, Navarro-Ranninger C, Cuadrado I. Heterometallic platinum(II) compounds with β-aminoethylferrocenes: synthesis, electrochemical behaviour and anticancer activity. Dalton Trans 2011; 41:432-41. [PMID: 22025199 DOI: 10.1039/c1dt11358e] [Citation(s) in RCA: 37] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A new family of heterometallic compounds 3-6 containing ferrocenyl and platinum(II) centers has been synthesized by reaction of 1-β-aminoethylferrocene (1) and 1,1'-bis(β-aminoethyl)ferrocene (2) with Pt(II) precursors. Using K(2)[PtCl(4)] as the Pt(II) source, the cis-square-planar neutral compounds [Fe{η(5)-C(5)H(4)(CH(2))(2)NH(2)}(2)PtCl(2)] (3) and [{Fe(η(5)-C(5)H(4)(CH(2))(2)NH(2))(η(5)-C(5)H(5))}(2)PtCl(2)] (5) were obtained. Reaction of cis-[PtCl(2)(dmso)(2)] with 1 and 2 resulted in the displacement of dmso and chloride ligands from the platinum coordination sphere, affording the cationic and neutral compounds [Fe{η(5)-C(5)H(4)(CH(2))(2)NH(2)}(2)Pt(dmso)Cl]Cl (4) and [Fe(η(5)-C(5)H(4)(CH(2))(2)NH(2))(η(5)-C(5)H(5))Pt(dmso)Cl(2)] (6). Compounds 3-6 were thoroughly characterized using multinuclear ((1)H, (13)C, (195)Pt) NMR, IR spectroscopy, ESI mass spectrometry and elemental analysis. Single-crystal X-ray analysis of heterometallic 6 confirmed the cis geometry of the molecule and revealed that the platinum atom is held in a perfect square-planar geometry. The electrochemical behaviour of the heterometallic compounds 3-6, which has been examined by cyclic (CV) and square wave (SWV) voltammetries in dichloromethane and dmso solution, is characterized by the reversible one-electron oxidation of the ferrocene moieties. The results of the biological activity studies revealed that the organometallic complex 5 is active against all cell lines with GI(50) values in the range 1.7-2.3 μM. When compared to the standard anticancer drug cisplatin, heterotrimetallic 5, possessing two aminoethylferrocenyl units coordinated to the Pt(II) center, showed a greater activity profile in the colon cancer cell line. Cell cycle studies revealed that the new mixed compound exhibits a mechanism of action different to cisplatin.
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Affiliation(s)
- Daniel Nieto
- Departamento de Química Inorgánica, Facultad de Ciencias, Universidad Autónoma de Madrid, Cantoblanco, 29049, Madrid, Spain
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1268
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Giannini F, Süss-Fink G, Furrer J. Efficient Oxidation of Cysteine and Glutathione Catalyzed by a Dinuclear Areneruthenium Trithiolato Anticancer Complex. Inorg Chem 2011; 50:10552-4. [DOI: 10.1021/ic201941j] [Citation(s) in RCA: 64] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/17/2023]
Affiliation(s)
- Federico Giannini
- Departement für Chemie und Biochemie, Universität Bern, CH-3012 Bern, Switzerland
- Institut de Chimie, Université de Neuchâtel, CH-2000 Neuchâtel, Switzerland
| | - Georg Süss-Fink
- Institut de Chimie, Université de Neuchâtel, CH-2000 Neuchâtel, Switzerland
| | - Julien Furrer
- Departement für Chemie und Biochemie, Universität Bern, CH-3012 Bern, Switzerland
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1269
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Affiliation(s)
- Luca Salassa
- Department of Chemistry, University of Warwick, Gibbet Hill Road, Coventry CV4 7AL, U.K
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1270
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Kaleta K, Hildebrandt A, Strehler F, Arndt P, Jiao H, Spannenberg A, Lang H, Rosenthal U. Ferrocenyl-Substituted Metallacycles of Titanocenes: Oligocyclopentadienyl Complexes with Promising Properties. Angew Chem Int Ed Engl 2011; 50:11248-52. [DOI: 10.1002/anie.201105248] [Citation(s) in RCA: 46] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2011] [Indexed: 11/10/2022]
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1271
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Approaching tumour therapy beyond platinum drugs: status of the art and perspectives of ruthenium drug candidates. J Inorg Biochem 2011; 106:90-9. [PMID: 22112845 DOI: 10.1016/j.jinorgbio.2011.09.030] [Citation(s) in RCA: 430] [Impact Index Per Article: 33.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2011] [Revised: 09/21/2011] [Accepted: 09/21/2011] [Indexed: 02/02/2023]
Abstract
The study of metal complexes for the treatment of cancer diseases has resulted in the identification of some unique properties of ruthenium-based compounds. Among these inorganic-based agents, two of them, namely the ruthenium(III) drugs NAMI-A and KP1019 have undertaken with some success the clinical evaluations of phase I and preliminary phase II trials in patients. Here we highlight the strategies that have led to the discovery of metal-based (NAMI-A and KP1019) and of organometallic (RM175, RAPTA-T, RDC11 and DW1/2) ruthenium-based complexes, and we report their main biological/pharmacological characteristics and expectations for further development.
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1272
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Quirante J, Ruiz D, Gonzalez A, López C, Cascante M, Cortés R, Messeguer R, Calvis C, Baldomà L, Pascual A, Guérardel Y, Pradines B, Font-Bardía M, Calvet T, Biot C. Platinum(II) and palladium(II) complexes with (N,N') and (C,N,N')- ligands derived from pyrazole as anticancer and antimalarial agents: synthesis, characterization and in vitro activities. J Inorg Biochem 2011; 105:1720-8. [PMID: 22104300 DOI: 10.1016/j.jinorgbio.2011.09.021] [Citation(s) in RCA: 67] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2011] [Revised: 09/12/2011] [Accepted: 09/14/2011] [Indexed: 01/29/2023]
Abstract
The study of the reactivity of three 1-(2-dimethylaminoethyl)-1H-pyrazole derivatives of general formula [1-(CH(2))(2)NMe(2)}-3,5-R(2)-pzol] {where pzol represents pyrazole and R=H (1a), Me (1b) or Ph (1c)} with [MCl(2)(DMSO)(2)] (M=Pt or Pd) under different experimental conditions allowed us to isolate and characterize cis-[M{κ(2)-N,N'-{[1-(CH(2))(2)NMe(2)}-3,5-R(2)-pzol])}Cl(2)] {MM=PtPt (2a-2c) or Pd (3a-3c)} and two cyclometallated complexes [M{κ(3)-C,N,N'-{[1-(CH(2))(2)NMe(2)}-3-(C(5)H(4))-5-Ph-pzol])}Cl] {M=Pt(II) (4c) or Pd(II) (5c)}. Compounds 4c and 5c arise from the orthometallation of the 3-phenyl ring of ligand 1c. Complex 2a has been further characterized by X-ray crystallography. Ligands and complexes were evaluated for their in vitro antimalarial against Plasmodium falciparum and cytotoxic activities against lung (A549) and breast (MDA MB231 and MCF7) cancer cellular lines. Complexes 2a-2c and 5c exhibited only moderate antimalarial activities against two P. falciparum strains (3D7 and W2). Interestingly, cytotoxicity assays revealed that the platinacycle 4c exhibits a higher toxicity than cisplatin in the three human cell lines and that the complex 2a presents a remarkable cytotoxicity and selectivity in lung (IC(50)=3 μM) versus breast cancer cell lines (IC(50)>20 μM). Thus, complexes 2c and 4c appear to be promising leads, creating a novel family of anticancer agents. Electrophoretic DNA migration studies in presence of the synthesized compounds have been performed, in order to get further insights into their mechanism of action.
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Affiliation(s)
- Josefina Quirante
- Laboratori de Química Orgànica, Facultat de Farmàcia, Institut de Biomedicina, (IBUB), Universitat de Barcelona, Barcelona, Spain
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1273
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Oehninger L, Alborzinia H, Ludewig S, Baumann K, Wölfl S, Ott I. From Catalysts to Bioactive Organometallics: Do Grubbs Catalysts Trigger Biological Effects? ChemMedChem 2011; 6:2142-5. [DOI: 10.1002/cmdc.201100308] [Citation(s) in RCA: 35] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/22/2011] [Revised: 08/17/2011] [Indexed: 01/04/2023]
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1274
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de Oliveira AC, Hillard EA, Pigeon P, Rocha DD, Rodrigues FA, Montenegro RC, Costa-Lotufo LV, Goulart MO, Jaouen G. Biological evaluation of twenty-eight ferrocenyl tetrasubstituted olefins: Cancer cell growth inhibition, ROS production and hemolytic activity. Eur J Med Chem 2011; 46:3778-87. [DOI: 10.1016/j.ejmech.2011.05.043] [Citation(s) in RCA: 36] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2011] [Revised: 05/17/2011] [Accepted: 05/18/2011] [Indexed: 11/30/2022]
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1275
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Schobert R, Seibt S, Mahal K, Ahmad A, Biersack B, Effenberger-Neidnicht K, Padhye S, Sarkar FH, Mueller T. Cancer Selective Metallocenedicarboxylates of the Fungal Cytotoxin Illudin M. J Med Chem 2011; 54:6177-82. [DOI: 10.1021/jm200359n] [Citation(s) in RCA: 27] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Rainer Schobert
- Organic Chemistry Laboratory, University Bayreuth, 95447 Bayreuth, Germany
| | - Sebastian Seibt
- Organic Chemistry Laboratory, University Bayreuth, 95447 Bayreuth, Germany
| | - Katharina Mahal
- Organic Chemistry Laboratory, University Bayreuth, 95447 Bayreuth, Germany
| | - Aamir Ahmad
- Department for Pathology, Wayne State University School of Medicine and Barbara Ann Karmanos Cancer Institute, Detroit, Michigan 48201, United States
| | - Bernhard Biersack
- Organic Chemistry Laboratory, University Bayreuth, 95447 Bayreuth, Germany
| | | | - Subhash Padhye
- Department for Pathology, Wayne State University School of Medicine and Barbara Ann Karmanos Cancer Institute, Detroit, Michigan 48201, United States
- Center for Drug Design and Molecular Medicine, Department of Environmental Sciences, University of Pune, Pune 411 007, India
| | - Fazlul H. Sarkar
- Department for Pathology, Wayne State University School of Medicine and Barbara Ann Karmanos Cancer Institute, Detroit, Michigan 48201, United States
| | - Thomas Mueller
- Department of Internal Medicine IV, Oncology/Hematology, Martin-Luther-University Halle-Wittenberg, 06120 Halle, Germany
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1276
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Smith GS, Therrien B. Targeted and multifunctional arene ruthenium chemotherapeutics. Dalton Trans 2011; 40:10793-800. [PMID: 21858344 DOI: 10.1039/c1dt11007a] [Citation(s) in RCA: 217] [Impact Index Per Article: 16.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
The introduction of multifunctionalities for tumour targeting is becoming a popular strategy toward the development of new therapeutic agents. In particular, the multifaceted potential of ruthenium(II)-arene complexes show great promise as chemotherapeutics. An ever-increasing number of papers dealing with the integration of ruthenium complexes with biologically active molecules to derive bioorganometallic molecules of chemotherapeutic significance have been published in recent years. This perspective review presents a short overview of multifunctional ruthenium-based drugs, especially those containing arene ruthenium complexes, with the emphasis on the combination of photosensitizers with ruthenium complexes for the preparation of novel multifunctional photodynamic therapy agents.
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Affiliation(s)
- Gregory S Smith
- University of Cape Town, Department of Chemistry, Rondebosch, 7701, Cape Town, South Africa
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1277
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Fu Y, Habtemariam A, Basri AMBH, Braddick D, Clarkson GJ, Sadler PJ. Structure-activity relationships for organometallic osmium arene phenylazopyridine complexes with potent anticancer activity. Dalton Trans 2011; 40:10553-62. [PMID: 21860862 DOI: 10.1039/c1dt10937e] [Citation(s) in RCA: 61] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Abstract
We report the synthesis and characterisation of 32 half sandwich phenylazopyridine Os(II) arene complexes [Os(η(6)-arene)(phenylazopyridine)X](+) in which X is chloride or iodide, the arene is p-cymene or biphenyl and the pyridine and phenyl rings contain a variety of substituents (F, Cl, Br, I, CF(3), OH or NO(2)). Ten X-ray crystal structures have been determined. Cytotoxicity towards A2780 human ovarian cancer cells ranges from high potency at nanomolar concentrations to inactivity. In general the introduction of an electron-withdrawing group (e.g. F, Cl, Br or I) at specific positions on the pyridine ring significantly increases cytotoxic activity and aqueous solubility. Changing the arene from p-cymene to biphenyl and the monodentate ligand X from chloride to iodide also increases the activity significantly. Activation by hydrolysis and DNA binding appears not to be the major mechanism of action since both the highly active complex [Os(η(6)-bip)(2-F-azpy)I]PF(6) (9) and the moderately active complex [Os(η(6)-bip)(3-Cl-azpy)I]PF(6) (23) are very stable and inert towards aquation. Studies of octanol-water partition coefficients (log P) and subcellular distributions of osmium in A2780 human ovarian cancer cells suggested that cell uptake and targeting to cellular organelles play important roles in determining activity. Although complex 9 induced the production of reactive oxygen species (ROS) in A2780 cells, the ROS level did not appear to play a role in the mechanism of anticancer activity. This class of organometallic osmium complexes has new and unusual features worthy of further exploration for the design of novel anticancer drugs.
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Affiliation(s)
- Ying Fu
- Department of Chemistry, University of Warwick, Gibbet Hill Road, Coventry, UK CV4 7AL
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1278
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Fetzer L, Boff B, Ali M, Xiangjun M, Collin JP, Sirlin C, Gaiddon C, Pfeffer M. Library of second-generation cycloruthenated compounds and evaluation of their biological properties as potential anticancer drugs: passing the nanomolar barrier. Dalton Trans 2011; 40:8869-78. [PMID: 21837342 DOI: 10.1039/c1dt10322a] [Citation(s) in RCA: 75] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A library of 32 organoruthenium compounds has been synthesised. Known and novel C-N cyclometalated compounds as well as N-C-N and N-N-C pincer derivatives of this metal have been used in this purpose. Most of the compounds have been tested for their in vitro antitumoral behaviours, good to excellent activities have thus been found. Several of the newly synthesized compounds pass the symbolic barrier of the nanomolar range for their IC(50) indicating a critical improvement. The level of activity is tentatively correlated to physicochemical properties of the compounds such as their Ru(III/II) redox potential and their lipophilicity (log P).
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Affiliation(s)
- Ludivine Fetzer
- Institut de Chimie, UMR 7177, CNRS, Université de Strasbourg, 4, rue Blaise Pascal, 67000, Strasbourg, France
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1279
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Barragán F, López-Senín P, Salassa L, Betanzos-Lara S, Habtemariam A, Moreno V, Sadler PJ, Marchán V. Photocontrolled DNA binding of a receptor-targeted organometallic ruthenium(II) complex. J Am Chem Soc 2011; 133:14098-108. [PMID: 21797210 DOI: 10.1021/ja205235m] [Citation(s) in RCA: 156] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
A photoactivated ruthenium(II) arene complex has been conjugated to two receptor-binding peptides, a dicarba analogue of octreotide and the Arg-Gly-Asp (RGD) tripeptide. These peptides can act as "tumor-targeting devices" since their receptors are overexpressed on the membranes of tumor cells. Both ruthenium-peptide conjugates are stable in aqueous solution in the dark, but upon irradiation with visible light, the pyridyl-derivatized peptides were selectively photodissociated from the ruthenium complex, as inferred by UV-vis and NMR spectroscopy. Importantly, the reactive aqua species generated from the conjugates, [(η(6)-p-cym)Ru(bpm)(H(2)O)](2+), reacted with the model DNA nucleobase 9-ethylguanine as well as with guanines of two DNA sequences, (5')dCATGGCT and (5')dAGCCATG. Interestingly, when irradiation was performed in the presence of the oligonucleotides, a new ruthenium adduct involving both guanines was formed as a consequence of the photodriven loss of p-cymene from the two monofunctional adducts. The release of the arene ligand and the formation of a ruthenated product with a multidentate binding mode might have important implications for the biological activity of such photoactivated ruthenium(II) arene complexes. Finally, photoreactions with the peptide-oligonucleotide hybrid, Phac-His-Gly-Met-linker-p(5')dCATGGCT, also led to arene release and to guanine adducts, including a GG chelate. The lack of interaction with the peptide fragment confirms the preference of such organometallic ruthenium(II) complexes for guanine over other potential biological ligands, such as histidine or methionine amino acids.
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Affiliation(s)
- Flavia Barragán
- Departament de Química Orgànica and IBUB, Universitat de Barcelona, Spain
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1280
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Ruiz J, Rodríguez V, Cutillas N, Espinosa A, Hannon MJ. A potent ruthenium(II) antitumor complex bearing a lipophilic levonorgestrel group. Inorg Chem 2011; 50:9164-71. [PMID: 21830785 DOI: 10.1021/ic201388n] [Citation(s) in RCA: 64] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2023]
Abstract
The novel steroidal conjugate 17-α-[2-phenylpyridyl-4-ethynyl]-19-nortestosterone (LEV-ppy) (1) and the steroid-C,N-chelate ruthenium(II) conjugate [Ru(η(6)-p-cymene)(LEV-ppy)Cl] (2) have been prepared. At 48 h incubation time, complex 2 is more active than cisplatin (about 8-fold) in T47D (breast cancer) and also shows an improved efficiency when compared to its nonsteroidal analogue [Ru(η(6)-p-cymene)(ppy)Cl] (ppy = phenylpyridine) (3) in the same cell line. The act of conjugating a levonorgestrel group to a ruthenium(II) complex resulted in synergistic effects between the metallic center and the steroidal ligand, creating highly potent ruthenium(II) complexes from the inactive components. The interaction of 2 with DNA was followed by electrophoretic mobility. Theoretical density functional theory calculations on complex 2 show the metal center far away from the lipophilic steroidal moiety and a labile Ru-Cl bond that allows easy replacement of Cl by N-nucleophiles such as 9-EtG, thus forming a stronger Ru-N bond. We also found a minimum energy location for the chloride counteranion (4(+)·Cl(-)) inside the pseudocavity formed by the α side of the steroid moiety, the phenylpyridine chelating subsystem, and the guanine ligand, i.e., a host-guest species with a rich variety of nonbonding interactions that include nonclassical C-H···anion bonds, as supported by electrospray ionization mass spectra.
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Affiliation(s)
- José Ruiz
- Departamento de Química Inorgánica, Universidad de Murcia, 30071, Murcia, Spain.
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1281
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Liu Z, Habtemariam A, Pizarro AM, Clarkson GJ, Sadler PJ. Organometallic Iridium(III) Cyclopentadienyl Anticancer Complexes Containing C,N-Chelating Ligands. Organometallics 2011. [DOI: 10.1021/om2005468] [Citation(s) in RCA: 117] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/20/2023]
Affiliation(s)
- Zhe Liu
- Department of Chemistry, University of Warwick, Gibbet Hill Road, Coventry CV4 7AL, U.K
| | - Abraha Habtemariam
- Department of Chemistry, University of Warwick, Gibbet Hill Road, Coventry CV4 7AL, U.K
| | - Ana M. Pizarro
- Department of Chemistry, University of Warwick, Gibbet Hill Road, Coventry CV4 7AL, U.K
| | - Guy J. Clarkson
- Department of Chemistry, University of Warwick, Gibbet Hill Road, Coventry CV4 7AL, U.K
| | - Peter J. Sadler
- Department of Chemistry, University of Warwick, Gibbet Hill Road, Coventry CV4 7AL, U.K
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1282
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Goswami TK, Chakravarthi BVSK, Roy M, Karande AA, Chakravarty AR. Ferrocene-Conjugated l-Tryptophan Copper(II) Complexes of Phenanthroline Bases Showing DNA Photocleavage Activity and Cytotoxicity. Inorg Chem 2011; 50:8452-64. [DOI: 10.1021/ic201028e] [Citation(s) in RCA: 116] [Impact Index Per Article: 8.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Affiliation(s)
- Tridib K. Goswami
- Department of Inorganic and Physical Chemistry, Indian Institute of Science, Bangalore 560012, India
| | | | - Mithun Roy
- Department of Inorganic and Physical Chemistry, Indian Institute of Science, Bangalore 560012, India
| | - Anjali A. Karande
- Department of Biochemistry, Indian Institute of Science, Bangalore 560012, India
| | - Akhil R. Chakravarty
- Department of Inorganic and Physical Chemistry, Indian Institute of Science, Bangalore 560012, India
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1283
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Shang X, Meng X, Alegria EC, Li Q, Guedes da Silva MC, Kuznetsov ML, Pombeiro AJ. Syntheses, Molecular Structures, Electrochemical Behavior, Theoretical Study, and Antitumor Activities of Organotin(IV) Complexes Containing 1-(4-Chlorophenyl)-1-cyclopentanecarboxylato Ligands. Inorg Chem 2011; 50:8158-67. [DOI: 10.1021/ic200635g] [Citation(s) in RCA: 81] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Affiliation(s)
- Xianmei Shang
- Centro de Química Estrutural, Complexo I, Instituto Superior Técnico, Technical University of Lisbon, Av. Rovisco Pais, 1049−001 Lisbon, Portugal
- Tongji School of Pharmacy, Huazhong University of Science and Technology, 13 Hangkong Road, 430030 Wuhan, China
| | - Xianggao Meng
- Department of Chemistry, Central China Normal University, 430079 Wuhan, China
| | - Elisabete C.B.A. Alegria
- Centro de Química Estrutural, Complexo I, Instituto Superior Técnico, Technical University of Lisbon, Av. Rovisco Pais, 1049−001 Lisbon, Portugal
- Área Departamental de Engenharia Química, ISEL, R. Conselheiro Emídio Navarro, 1950-062 Lisbon, Portugal
| | - Qingshan Li
- School of Pharmaceutical Science, Shanxi Medical University, 86 South Xinjian Road, 030001 Taiyuan, China
| | - M.Fátima C. Guedes da Silva
- Centro de Química Estrutural, Complexo I, Instituto Superior Técnico, Technical University of Lisbon, Av. Rovisco Pais, 1049−001 Lisbon, Portugal
- Universidade Lusófona de Humanidades e Tecnologias, ULHT Lisbon, Av. do Campo Grande, 376, 1749-024 Lisbon, Portugal
| | - Maxim L. Kuznetsov
- Centro de Química Estrutural, Complexo I, Instituto Superior Técnico, Technical University of Lisbon, Av. Rovisco Pais, 1049−001 Lisbon, Portugal
| | - Armando J.L. Pombeiro
- Centro de Química Estrutural, Complexo I, Instituto Superior Técnico, Technical University of Lisbon, Av. Rovisco Pais, 1049−001 Lisbon, Portugal
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1284
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Blanck S, Cruchter T, Vultur A, Riedel R, Harms K, Herlyn M, Meggers E. Organometallic Pyridylnaphthalimide Complexes as Protein Kinase Inhibitors. Organometallics 2011; 30:4598-4606. [PMID: 21918590 DOI: 10.1021/om200366r] [Citation(s) in RCA: 30] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2023]
Abstract
A new metal-containing scaffold for the design of protein kinase inhibitors is introduced. Key feature is a 3-(2-pyridyl)-1,8-naphthalimide "pharmacophore chelate ligand" which is designed to form two hydrogen bonds with the hinge region of the ATP-binding site and is at the same time capable of serving as a stable bidentate ligand through C-H-activation at the 4-position of the electron-deficient naphthalene moiety. This C-H-activation leads to a reduced demand for coordinating heteroatoms and thus sets the basis for a very efficient three-step synthesis starting from 1,8-naphthalic anhydride. The versatility of this ligand is demonstrated with the discovery of a ruthenium complex that functions as a nanomolar inhibitor for myosin light-chain kinase (MYLK or MLCK).
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Affiliation(s)
- Sebastian Blanck
- Fachbereich Chemie, Philipps-Universität Marburg, Hans-Meerwein-Strasse, 35043 Marburg, Germany
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1285
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Harris AN, Hinojosa BR, Chavious MD, Petros RA. Beyond platinum: synthesis, characterization, and in vitro toxicity of Cu(II)-releasing polymer nanoparticles for potential use as a drug delivery vector. NANOSCALE RESEARCH LETTERS 2011; 6:445. [PMID: 21745364 PMCID: PMC3211864 DOI: 10.1186/1556-276x-6-445] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 01/07/2011] [Accepted: 07/11/2011] [Indexed: 05/31/2023]
Abstract
The field of drug delivery focuses primarily on delivering small organic molecules or DNA/RNA as therapeutics and has largely ignored the potential for delivering catalytically active transition metal ions and complexes. The delivery of a variety of transition metals has potential for inducing apoptosis in targeted cells. The chief aims of this work were the development of a suitable delivery vector for a prototypical transition metal, Cu2+, and demonstration of the ability to impact cancer cell viability via exposure to such a Cu-loaded vector. Carboxylate-functionalized nanoparticles were synthesized by free radical polymerization and were subsequently loaded with Cu2+ via binding to particle-bound carboxylate functional groups. Cu loading and release were characterized via ICP MS, EDX, XPS, and elemental analysis. Results demonstrated that Cu could be loaded in high weight percent (up to 16 wt.%) and that Cu was released from the particles in a pH-dependent manner. Metal release was a function of both pH and the presence of competing ligands. The toxicity of the particles was measured in HeLa cells where reductions in cell viability greater than 95% were observed at high Cu loading. The combined pH sensitivity and significant toxicity make this copper delivery vector an excellent candidate for the targeted killing of disease cells when combined with an effective cellular targeting strategy.
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Affiliation(s)
- Alesha N Harris
- Department of Chemistry, University of North Texas, 1155 Union Circle, CB#305070, Denton, TX, 76203-5017, USA
| | - Barbara R Hinojosa
- Department of Chemistry, University of North Texas, 1155 Union Circle, CB#305070, Denton, TX, 76203-5017, USA
| | - Montaleé D Chavious
- Department of Chemistry, University of North Texas, 1155 Union Circle, CB#305070, Denton, TX, 76203-5017, USA
| | - Robby A Petros
- Department of Chemistry, University of North Texas, 1155 Union Circle, CB#305070, Denton, TX, 76203-5017, USA
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1286
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Patra M, Gasser G, Wenzel M, Merz K, Bandow JE, Metzler-Nolte N. Synthesis of Optically Active Ferrocene-Containing Platensimycin Derivatives with a C6-C7 Substitution Pattern. Eur J Inorg Chem 2011. [DOI: 10.1002/ejic.201100497] [Citation(s) in RCA: 24] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
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1287
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Liu Z, Salassa L, Habtemariam A, Pizarro AM, Clarkson GJ, Sadler PJ. Contrasting Reactivity and Cancer Cell Cytotoxicity of Isoelectronic Organometallic Iridium(III) Complexes. Inorg Chem 2011; 50:5777-83. [DOI: 10.1021/ic200607j] [Citation(s) in RCA: 134] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Affiliation(s)
- Zhe Liu
- Department of Chemistry, University of Warwick, Gibbet Hill Road, Coventry CV4 7AL, U.K
| | - Luca Salassa
- Department of Chemistry, University of Warwick, Gibbet Hill Road, Coventry CV4 7AL, U.K
| | - Abraha Habtemariam
- Department of Chemistry, University of Warwick, Gibbet Hill Road, Coventry CV4 7AL, U.K
| | - Ana M. Pizarro
- Department of Chemistry, University of Warwick, Gibbet Hill Road, Coventry CV4 7AL, U.K
| | - Guy J. Clarkson
- Department of Chemistry, University of Warwick, Gibbet Hill Road, Coventry CV4 7AL, U.K
| | - Peter J. Sadler
- Department of Chemistry, University of Warwick, Gibbet Hill Road, Coventry CV4 7AL, U.K
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1288
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Spencer J, Amin J, Wang M, Packham G, Alwi SSS, Tizzard GJ, Coles SJ, Paranal RM, Bradner JE, Heightman TD. Synthesis and Biological Evaluation of JAHAs: Ferrocene-Based Histone Deacetylase Inhibitors. ACS Med Chem Lett 2011; 2:358-362. [PMID: 21572592 PMCID: PMC3093745 DOI: 10.1021/ml100295v] [Citation(s) in RCA: 78] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2010] [Accepted: 03/02/2011] [Indexed: 12/25/2022] Open
Abstract
N(1)-Hydroxy-N(8)-ferrocenyloctanediamide, JAHA (7), an organometallic analogue of SAHA containing a ferrocenyl group as a phenyl bioisostere, displays nanomolar inhibition of class I HDACs, excellent selectivity over class IIa HDACs, and anticancer action in intact cells (IC(50) = 2.4 μM, MCF7 cell line). Molecular docking studies of 7 in HDAC8 (a,b) suggested that the ferrocenyl moiety in 7 can overlap with the aryl cap of SAHA and should display similar HDAC inhibition, which was borne out in an in vitro assay (IC(50) values against HDAC8 (μM, SD in parentheses): SAHA, 1.41 (0.15); 7, 1.36 (0.16). Thereafter, a small library of related JAHA analogues has been synthesized, and preliminary SAR studies are presented. IC(50) values as low as 90 pM toward HDAC6 (class IIb) have been determined, highlighting the excellent potential of JAHAs as bioinorganic probes.
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Affiliation(s)
- John Spencer
- School of Science at Medway, University of Greenwich, Chatham, ME4 4TB, United Kingdom
| | - Jahangir Amin
- School of Science at Medway, University of Greenwich, Chatham, ME4 4TB, United Kingdom
| | - Minghua Wang
- Structural Genomics Consortium, University of Oxford, Old Road Campus Research Building, Old Road Campus, Roosevelt Drive, Headington, Oxford OX3 7DQ, United Kingdom
| | - Graham Packham
- Cancer Research UK Centre, University of Southampton, Faculty of Medicine, Mailpoint 824, Southampton General Hospital, Tremona Road, Southampton, SO16 6YD, United Kingdom
| | - Sharifah S. Syed Alwi
- Cancer Research UK Centre, University of Southampton, Faculty of Medicine, Mailpoint 824, Southampton General Hospital, Tremona Road, Southampton, SO16 6YD, United Kingdom
| | - Graham J. Tizzard
- UK National Crystallography Service, School of Chemistry, University of Southampton, Highfield, Southampton, SO17 1BJ, United Kingdom
| | - Simon J. Coles
- UK National Crystallography Service, School of Chemistry, University of Southampton, Highfield, Southampton, SO17 1BJ, United Kingdom
| | - Ronald M. Paranal
- Dana-Farber Cancer Institute, 44 Binney Street, Dana Building, D510D, Boston, Massachusetts 02115, United States
| | - James E. Bradner
- Dana-Farber Cancer Institute, 44 Binney Street, Dana Building, D510D, Boston, Massachusetts 02115, United States
| | - Tom D. Heightman
- Structural Genomics Consortium, University of Oxford, Old Road Campus Research Building, Old Road Campus, Roosevelt Drive, Headington, Oxford OX3 7DQ, United Kingdom
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1289
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Spencer J, Amin J, Coxhead P, McGeehan J, Richards CJ, Tizzard GJ, Coles SJ, Bingham JP, Hartley JA, Feng L, Meggers E, Guille M. Size Does Matter. Sterically Demanding Metallocene-Substituted 3-Methylidene-Oxindoles Exhibit Poor Kinase Inhibitory Action. Organometallics 2011. [DOI: 10.1021/om200278j] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/16/2023]
Affiliation(s)
- John Spencer
- School of Science, University of Greenwich at Medway, University of Greenwich, Chatham, ME4 4TB, U.K
| | - Jahangir Amin
- School of Science, University of Greenwich at Medway, University of Greenwich, Chatham, ME4 4TB, U.K
| | - Peter Coxhead
- School of Biological Sciences, University of Portsmouth, King Henry Building, Portsmouth, PO1 2DT, U.K
| | - John McGeehan
- School of Biological Sciences, University of Portsmouth, King Henry Building, Portsmouth, PO1 2DT, U.K
| | | | - Graham J. Tizzard
- UK National Crystallography Service, School of Chemistry, University of Southampton, Highfield, Southampton, SO171BJ, U.K
| | - Simon J. Coles
- UK National Crystallography Service, School of Chemistry, University of Southampton, Highfield, Southampton, SO171BJ, U.K
| | - John P. Bingham
- CRUK Drug-DNA Interactions Research Group, UCL Cancer Institute, Paul O'Gorman Building, 72 Huntley Street, London, WC1E 6DD, U.K
| | - John A. Hartley
- CRUK Drug-DNA Interactions Research Group, UCL Cancer Institute, Paul O'Gorman Building, 72 Huntley Street, London, WC1E 6DD, U.K
| | - Li Feng
- Fachbereich Chemie, Philipps-Universität Marburg, Hans-Meerwein Strasse, D-35032 Marburg, Germany
| | - Eric Meggers
- Fachbereich Chemie, Philipps-Universität Marburg, Hans-Meerwein Strasse, D-35032 Marburg, Germany
| | - Matthew Guille
- School of Biological Sciences, University of Portsmouth, King Henry Building, Portsmouth, PO1 2DT, U.K
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1290
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Harmsen S, Dolman MEM, Nemes Z, Lacombe M, Szokol B, Pató J, Kéri G, Őrfi L, Storm G, Hennink WE, Kok RJ. Development of a Cell-Selective and Intrinsically Active Multikinase Inhibitor Bioconjugate. Bioconjug Chem 2011; 22:540-5. [DOI: 10.1021/bc1005637] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Stefan Harmsen
- Department of Pharmaceutics, Utrecht Institute of Pharmaceutical Sciences, Utrecht University, Universiteitsweg 99, 3584 CG Utrecht, The Netherlands
| | - M. Emmy M. Dolman
- Department of Pharmaceutics, Utrecht Institute of Pharmaceutical Sciences, Utrecht University, Universiteitsweg 99, 3584 CG Utrecht, The Netherlands
| | - Zoltan Nemes
- Department of Pharmaceutics, Utrecht Institute of Pharmaceutical Sciences, Utrecht University, Universiteitsweg 99, 3584 CG Utrecht, The Netherlands
| | - Marie Lacombe
- Kreatech Biotechnology BV, Amsterdam, The Netherlands
| | | | | | - György Kéri
- Vichem Chemie, Budapest, Hungary
- Pathobiochemistry Research Group of Hungarian Academy of Sciences and Semmelweis University, Budapest, Hungary
| | | | - Gert Storm
- Department of Pharmaceutics, Utrecht Institute of Pharmaceutical Sciences, Utrecht University, Universiteitsweg 99, 3584 CG Utrecht, The Netherlands
| | - Wim E. Hennink
- Department of Pharmaceutics, Utrecht Institute of Pharmaceutical Sciences, Utrecht University, Universiteitsweg 99, 3584 CG Utrecht, The Netherlands
| | - Robbert J. Kok
- Department of Pharmaceutics, Utrecht Institute of Pharmaceutical Sciences, Utrecht University, Universiteitsweg 99, 3584 CG Utrecht, The Netherlands
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1291
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Feng L, Geisselbrecht Y, Blanck S, Wilbuer A, Atilla-Gokcumen GE, Filippakopoulos P, Kräling K, Celik MA, Harms K, Maksimoska J, Marmorstein R, Frenking G, Knapp S, Essen LO, Meggers E. Structurally sophisticated octahedral metal complexes as highly selective protein kinase inhibitors. J Am Chem Soc 2011; 133:5976-86. [PMID: 21446733 DOI: 10.1021/ja1112996] [Citation(s) in RCA: 190] [Impact Index Per Article: 14.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/20/2023]
Abstract
The generation of synthetic compounds with exclusive target specificity is an extraordinary challenge of molecular recognition and demands novel design strategies, in particular for large and homologous protein families such as protein kinases with more than 500 members. Simple organic molecules often do not reach the necessary sophistication to fulfill this task. Here, we present six carefully tailored, stable metal-containing compounds in which unique and defined molecular geometries with natural-product-like structural complexity are constructed around octahedral ruthenium(II) or iridium(III) metal centers. Each of the six reported metal compounds displays high selectivity for an individual protein kinase, namely GSK3α, PAK1, PIM1, DAPK1, MLCK, and FLT4. Although being conventional ATP-competitive inhibitors, the combination of the unusual globular shape and rigidity characteristics, of these compounds facilitates the design of highly selective protein kinase inhibitors. Unique structural features of the octahedral coordination geometry allow novel interactions with the glycine-rich loop, which contribute significantly to binding potencies and selectivities. The sensitive correlation between metal coordination sphere and inhibition properties suggests that in this design, the metal is located at a "hot spot" within the ATP binding pocket, not too close to the hinge region where globular space is unavailable, and at the same time not too far out toward the solvent where the octahedral coordination sphere would not have a significant impact on potency and selectivity. This study thus demonstrates that inert (stable) octahedral metal complexes are sophisticated structural scaffolds for the design of highly selective chemical probes.
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Affiliation(s)
- Li Feng
- Fachbereich Chemie, Philipps-Universität Marburg, Hans-Meerwein-Strasse, 35043 Marburg, Germany
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1292
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Lemke J, Metzler-Nolte N. Organometallic peptide NHC complexes of Cp∗Rh(III) and arene Ru(II) moieties from l-thiazolylalanine. J Organomet Chem 2011. [DOI: 10.1016/j.jorganchem.2010.12.044] [Citation(s) in RCA: 25] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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1293
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Labande A, Daran JC, Long NJ, White AJP, Poli R. Rhodium(iii) and ruthenium(ii) complexes of redox-active, chelating N-heterocyclic carbene/thioether ligands. NEW J CHEM 2011. [DOI: 10.1039/c1nj20224c] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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1294
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1295
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Barry NPE, Edafe F, Therrien B. Anticancer activity of tetracationic arene ruthenium metalla-cycles. Dalton Trans 2011; 40:7172-80. [DOI: 10.1039/c1dt10489f] [Citation(s) in RCA: 65] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
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1296
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Mwande-Maguene G, Jakhlal J, Lekana-Douki JB, Mouray E, Bousquet T, Pellegrini S, Grellier P, Ndouo FST, Lebibi J, Pelinski L. One-pot microwave-assisted synthesis and antimalarial activity of ferrocenyl benzodiazepines. NEW J CHEM 2011. [DOI: 10.1039/c1nj20551j] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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1297
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Alemán J, del Solar V, Alvarez-Valdés A, Ríos-Luci C, Padrón JM, Navarro-Ranninger C. Novel N-sulfonamide trans-platinum complexes: synthesis, reactivity and in vitro evaluation. MEDCHEMCOMM 2011. [DOI: 10.1039/c1md00070e] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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1298
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Alves G, Morel L, El-Ghozzi M, Avignant D, Legeret B, Nauton L, Cisnetti F, Gautier A. A platinum Chugaev carbene complex as a potent anticancer agent. Chem Commun (Camb) 2011; 47:7830-2. [DOI: 10.1039/c1cc12228b] [Citation(s) in RCA: 29] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
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1299
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Maity B, Gadadhar S, Goswami TK, Karande AA, Chakravarty AR. Impact of metal on the DNA photocleavage activity and cytotoxicity of ferrocenyl terpyridine 3d metal complexes. Dalton Trans 2011; 40:11904-13. [DOI: 10.1039/c1dt11102g] [Citation(s) in RCA: 49] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
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1300
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Rubbiani R, Kitanovic I, Alborzinia H, Can S, Kitanovic A, Onambele LA, Stefanopoulou M, Geldmacher Y, Sheldrick WS, Wolber G, Prokop A, Wölfl S, Ott I. Benzimidazol-2-ylidene Gold(I) Complexes Are Thioredoxin Reductase Inhibitors with Multiple Antitumor Properties. J Med Chem 2010; 53:8608-18. [DOI: 10.1021/jm100801e] [Citation(s) in RCA: 259] [Impact Index Per Article: 18.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Affiliation(s)
- Riccardo Rubbiani
- Institute of Pharmaceutical Chemistry, Technische Universität Braunschweig, Beethovenstrasse 55, 38106 Braunschweig, Germany
| | - Igor Kitanovic
- Institut für Pharmazie und Molekulare Biotechnologie, Ruprecht-Karls-Universität Heidelberg, Im Neuenheimer Feld 364, 69120 Heidelberg, Germany
| | - Hamed Alborzinia
- Institut für Pharmazie und Molekulare Biotechnologie, Ruprecht-Karls-Universität Heidelberg, Im Neuenheimer Feld 364, 69120 Heidelberg, Germany
| | - Suzan Can
- Institut für Pharmazie und Molekulare Biotechnologie, Ruprecht-Karls-Universität Heidelberg, Im Neuenheimer Feld 364, 69120 Heidelberg, Germany
| | - Ana Kitanovic
- Institut für Pharmazie und Molekulare Biotechnologie, Ruprecht-Karls-Universität Heidelberg, Im Neuenheimer Feld 364, 69120 Heidelberg, Germany
| | - Liliane A. Onambele
- Department of Paedriatric Oncology, Childrens Hospital Cologne, Amsterdamer Strasse 59, 50735 Cologne, Germany
| | - Maria Stefanopoulou
- Lehrstuhl für Analytische Chemie, Ruhr-Universität Bochum, 44780 Bochum, Germany
| | - Yvonne Geldmacher
- Lehrstuhl für Analytische Chemie, Ruhr-Universität Bochum, 44780 Bochum, Germany
| | - William S. Sheldrick
- Lehrstuhl für Analytische Chemie, Ruhr-Universität Bochum, 44780 Bochum, Germany
| | - Gerhard Wolber
- Institute of Pharmacy, Freie Universität Berlin, Königin-Luise-Strasse 2 + 4, 14195 Berlin, Germany
| | - Aram Prokop
- Department of Paedriatric Oncology, Childrens Hospital Cologne, Amsterdamer Strasse 59, 50735 Cologne, Germany
| | - Stefan Wölfl
- Institut für Pharmazie und Molekulare Biotechnologie, Ruprecht-Karls-Universität Heidelberg, Im Neuenheimer Feld 364, 69120 Heidelberg, Germany
| | - Ingo Ott
- Institute of Pharmaceutical Chemistry, Technische Universität Braunschweig, Beethovenstrasse 55, 38106 Braunschweig, Germany
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