51
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Oyarzabal I, Fernández B, Cepeda J, Gómez-Ruiz S, Calahorro AJ, Seco JM, Rodríguez-Diéguez A. Slow relaxation of magnetization in 3D-MOFs based on dysprosium dinuclear entities bridged by dicarboxylic linkers. CrystEngComm 2016. [DOI: 10.1039/c6ce00318d] [Citation(s) in RCA: 29] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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52
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Majoumo-Mbe F, Mendoza L, Lönnecke P, Gómez-Ruiz S, Hey-Hawkins E. Hexaphosphanylamine Ligands: 1,1,4,7,10,10-Hexakis(diphenylphosphanyl)-triethylenetetramine Complexes of Chromium, Molybdenum, and Tungsten. Z Anorg Allg Chem 2015. [DOI: 10.1002/zaac.201500643] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
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53
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Barroso S, Coelho AM, Gómez-Ruiz S, Calhorda MJ, Žižak Ž, Kaluđerović GN, Martins AM. Correction: Synthesis, cytotoxic and hydrolytic studies of titanium complexes anchored by a tripodal diamine bis(phenolate) ligand. Dalton Trans 2015; 44:2497. [PMID: 25526919 DOI: 10.1039/c4dt90194k] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Correction for 'Synthesis, cytotoxic and hydrolytic studies of titanium complexes anchored by a tripodal diamine bis(phenolate) ligand' by Sónia Barroso et al., Dalton Trans., 2014, 43, 17422-17433.
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Ceballos-Torres J, Prashar S, Fajardo M, Chicca A, Gertsch J, Pinar AB, Gómez-Ruiz S. Ether-Substituted Group 4 Metallocene Complexes: Cytostatic Effects and Applications in Ethylene Polymerization. Organometallics 2015. [DOI: 10.1021/om5012209] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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55
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Calahorro AJ, Fernández B, García-Gallarín C, Melguizo M, Fairen-Jimenez D, Zaragoza G, Salinas-Castillo A, Gómez-Ruiz S, Rodríguez-Diéguez A. Towards a potential 4,4′-(1,2,4,5-tetrazine-3,6-diyl) dibenzoic spacer to construct metal–organic frameworks. NEW J CHEM 2015. [DOI: 10.1039/c5nj00524h] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A new ligand has been designed and explored with the aim of using it as a linker to construct three-dimensional metal–organic frameworks (MOFs).
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56
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Ceballos-Torres J, del Hierro I, Prashar S, Fajardo M, Mijatović S, Maksimović-Ivanić D, Kaluđerović GN, Gómez-Ruiz S. Alkenyl-substituted titanocene dichloride complexes: Stability studies, binding and cytotoxicity. J Organomet Chem 2014. [DOI: 10.1016/j.jorganchem.2014.06.031] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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57
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Aragón-Muriel A, Camprubí-Robles M, González-Rey E, Salinas-Castillo A, Rodríguez-Diéguez A, Gómez-Ruiz S, Polo-Cerón D. Dual investigation of lanthanide complexes with cinnamate and phenylacetate ligands: Study of the cytotoxic properties and the catalytic oxidation of styrene. Polyhedron 2014. [DOI: 10.1016/j.poly.2014.02.040] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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58
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Polo-Cerón D, Gómez-Ruiz S, Ceballos-Torres J, Prashar S, Fajardo M, Reyes ML. Synthesis and structural characterization of novel three carbon atom bridged ansa-bis(indenyl)zirconocene complexes: Applications in ethylene polymerization. Polyhedron 2014. [DOI: 10.1016/j.poly.2014.02.033] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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59
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Bulatović MZ, Maksimović-Ivanić D, Bensing C, Gómez-Ruiz S, Steinborn D, Schmidt H, Mojić M, Korać A, Golić I, Pérez-Quintanilla D, Momčilović M, Mijatović S, Kaluđerović GN. Organozinn(IV)-beladenes mesoporöses SiO 2als biokompatible Strategie bei der Krebstherapie. Angew Chem Int Ed Engl 2014. [DOI: 10.1002/ange.201400763] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
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60
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Bulatović MZ, Maksimović-Ivanić D, Bensing C, Gómez-Ruiz S, Steinborn D, Schmidt H, Mojić M, Korać A, Golić I, Pérez-Quintanilla D, Momčilović M, Mijatović S, Kaluđerović GN. Organotin(IV)-loaded mesoporous silica as a biocompatible strategy in cancer treatment. Angew Chem Int Ed Engl 2014; 53:5982-7. [PMID: 24828572 DOI: 10.1002/anie.201400763] [Citation(s) in RCA: 69] [Impact Index Per Article: 6.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/24/2014] [Indexed: 01/04/2023]
Abstract
The strong therapeutic potential of an organotin(IV) compound loaded in nanostructured silica (SBA-15pSn) is demonstrated: B16 melanoma tumor growth in syngeneic C57BL/6 mice is almost completely abolished. In contrast to apoptosis as the basic mechanism of the anticancer action of numerous chemotherapeutics, the important advantage of this SBA-15pSn mesoporous material is the induction of cell differentiation, an effect unknown for metal-based drugs and nanomaterials alone. This non-aggressive mode of drug action is highly efficient against cancer cells but is in the concentration range used nontoxic for normal tissue. JNK (Jun-amino-terminal kinase)-independent apoptosis accompanied by the development of the melanocyte-like nonproliferative phenotype of survived cells indicates the extraordinary potential of SBA-15pSn to suppress tumor growth without undesirable compensatory proliferation of malignant cells in response to neighboring cell death.
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Ceballos-Torres J, Virag P, Cenariu M, Prashar S, Fajardo M, Fischer-Fodor E, Gómez-Ruiz S. Anti-cancer applications of titanocene-functionalised nanostructured systems: an insight into cell death mechanisms. Chemistry 2014; 20:10811-28. [PMID: 24715574 DOI: 10.1002/chem.201400300] [Citation(s) in RCA: 35] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/24/2014] [Indexed: 12/20/2022]
Abstract
A series of alkenyl-substituted titanocene compounds have been supported on the mesoporous silica-based material KIT-6. The corresponding functionalised materials were completely characterised by different techniques (solid-state multinuclear NMR spectroscopy, IR spectroscopy, N2 adsorption-desorption isotherms, X-ray fluorescence and diffraction, SEM and TEM) to observe the incorporation of the titanocene derivatives on the external surface of the material KIT-6. Both the titanocene compounds and the materials were tested in vitro against a wide variety of human cancer and normal cell lines. A very high cytotoxicity of the synthesised titanocene derivatives (IC50 values in the range of those described in the literature for the most active cytotoxic titanocene compounds), with selectivity towards cancer cell lines was observed. The cytotoxic activity of the materials is the highest reported to date for titanocene-functionalised materials. In addition, higher Ti uptake (from 4 to 23% of the initial amount of Ti) of the cells treated with materials was observed with respect to those treated with "free" titanocene derivatives (which gave Ti uptake values from 0.4 to 4.6% of the initial amount of Ti). Additional experiments with the titanocene derivatives and the functionalised materials revealed that changes to the morphological and functional dynamics of apoptosis occurred when the active titanocene species were incorporated into mesoporous materials. In addition, the materials could induce programmed cell death in tumour cell populations by impairing the damaged DNA repair mechanisms and by upregulation of intrinsic and extrinsic apoptotic signalling pathways.
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62
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Mijatović S, Bulatović M, Mojić M, Stošić-Grujičić S, Miljković D, Maksimović-Ivanić D, Gómez-Ruiz S, Pinkas J, Horáček M, Kaluđerović GN. Study of the anticancer properties of methyl- and phenyl-substituted carbon- and silicon-bridged ansa-titanocene complexes. J Organomet Chem 2014. [DOI: 10.1016/j.jorganchem.2013.07.059] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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63
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Barroso S, Coelho AM, Gómez-Ruiz S, Calhorda MJ, Žižak Ž, Kaluđerović GN, Martins AM. Synthesis, cytotoxic and hydrolytic studies of titanium complexes anchored by a tripodal diamine bis(phenolate) ligand. Dalton Trans 2014; 43:17422-33. [DOI: 10.1039/c4dt00975d] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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64
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Yakhvarov DG, Petr A, Kataev V, Büchner B, Gómez-Ruiz S, Hey-Hawkins E, Kvashennikova SV, Ganushevich YS, Morozov VI, Sinyashin OG. Synthesis, structure and electrochemical properties of the organonickel complex [NiBr(Mes)(phen)] (Mes = 2,4,6-trimethylphenyl, phen = 1,10-phenanthroline). J Organomet Chem 2014. [DOI: 10.1016/j.jorganchem.2013.11.003] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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65
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Balbín A, Gaballo F, Ceballos-Torres J, Prashar S, Fajardo M, Kaluđerović GN, Gómez-Ruiz S. Dual application of Pd nanoparticles supported on mesoporous silica SBA-15 and MSU-2: supported catalysts for C–C coupling reactions and cytotoxic agents against human cancer cell lines. RSC Adv 2014. [DOI: 10.1039/c4ra11759j] [Citation(s) in RCA: 42] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022] Open
Abstract
Pd nanoparticles have been supported onto SBA-15 and MSU-2 and present interesting catalytic and cytotoxic properties.
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66
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Vălean AM, Gómez-Ruiz S, Silaghi-Dumitrescu L, Hey-Hawkins E. Variable Coordination Modes of Potentially Tetradentate Phosphino- and Arsinoarylthiolato Ligands Derived fromE(2-SHC6H4)3(E= P, As) in Gallium(III) Complexes. Z Anorg Allg Chem 2013. [DOI: 10.1002/zaac.201300178] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
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67
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Jevtovikj I, Herrero R, Gómez-Ruiz S, Lönnecke P, Hey-Hawkins E. Facile One-Step Synthesis of MPHMes from MesPCl2 (M = Li, Na, K; Mes = 2,4,6-Me3C6H2). Inorg Chem 2013; 52:4488-93. [DOI: 10.1021/ic302759k] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/14/2023]
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68
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Ceballos-Torres J, Caballero-Rodríguez MJ, Prashar S, Paschke R, Steinborn D, Kaluđerović GN, Gómez-Ruiz S. Synthesis, characterization and in vitro biological studies of titanocene(IV) derivatives containing different carboxylato ligands. J Organomet Chem 2012. [DOI: 10.1016/j.jorganchem.2012.06.028] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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69
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Gómez-Ruiz S, Maksimović-Ivanić D, Mijatović S, Kaluđerović GN. On the discovery, biological effects, and use of Cisplatin and metallocenes in anticancer chemotherapy. Bioinorg Chem Appl 2012; 2012:140284. [PMID: 22844263 PMCID: PMC3401524 DOI: 10.1155/2012/140284] [Citation(s) in RCA: 90] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2012] [Accepted: 05/19/2012] [Indexed: 01/08/2023] Open
Abstract
The purpose of this paper is to summarize mode of action of cisplatin on the tumor cells, a brief outlook on the metallocene compounds as antitumor drugs as well as the future tendencies for the use of the latter in anticancer chemotherapy. Molecular mechanisms of cisplatin interaction with DNA, DNA repair mechanisms, and cellular proteins are discussed. Molecular background of the sensitivity and resistance to cisplatin, as well as its influence on the efficacy of the antitumor immune response was evaluated. Furthermore, herein are summarized some metallocenes (titanocene, vanadocene, molybdocene, ferrocene, and zirconocene) with high antitumor activity.
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Gómez-Ruiz S, Stanojković TP, Kaluđerović GN. Synthesis, characterization, biological studies and in vitro cytotoxicity on human cancer cell lines of titanium(IV) and tin(IV) derivatives with the α,α′-dimercapto-o-xylene ligand. Appl Organomet Chem 2012. [DOI: 10.1002/aoc.2878] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
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71
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Kircali A, Frank R, Gómez-Ruiz S, Kirchner B, Hey-Hawkins E. Cover Picture: Synthesis and Thermolysis of the Phosphorus-Rich Manganese(I) Complex [Mn2(μ-Br){cyclo-(P4tBu3)PtBu}(CO)6]: From Complexes to Metal Phosphides (ChemPlusChem 5/2012). Chempluschem 2012. [DOI: 10.1002/cplu.201290020] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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72
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Sánchez-Muñoz S, Gómez-Ruiz S, Pérez-Quintanilla D, Morante-Zarcero S, Sierra I, Prashar S, Paschke R, Kaluđerović GN. Inside Cover: Preliminary Study of the Anticancer Applications of Mesoporous Materials Functionalized with the Natural Product Betulinic Acid (ChemMedChem 4/2012). ChemMedChem 2012. [DOI: 10.1002/cmdc.201290013] [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]
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73
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Ceballos-Torres J, Gómez-Ruiz S, Kaluđerović GN, Fajardo M, Paschke R, Prashar S. Naphthyl-substituted titanocene dichloride complexes: Synthesis, characterization and in vitro studies. J Organomet Chem 2012. [DOI: 10.1016/j.jorganchem.2011.12.015] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/14/2022]
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74
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Kircali A, Frank R, Gómez-Ruiz S, Kirchner B, Hey-Hawkins E. Synthesis and Thermolysis of the Phosphorus-Rich Manganese(I) Complex [Mn2(μ-Br){cyclo-(P4tBu3)PtBu}(CO)6]: From Complexes to Metal Phosphides. Chempluschem 2012. [DOI: 10.1002/cplu.201200013] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
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75
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Sánchez-Muñoz S, Gómez-Ruiz S, Pérez-Quintanilla D, Morante-Zarcero S, Sierra I, Prashar S, Paschke R, Kaluđerović GN. Preliminary study of the anticancer applications of mesoporous materials functionalized with the natural product betulinic acid. ChemMedChem 2012; 7:670-9. [PMID: 22278996 DOI: 10.1002/cmdc.201100588] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2012] [Indexed: 12/30/2022]
Abstract
Dehydrated MCM-41 (S1) was functionalized under nitrogen with 3-chloropropyltriethoxysilane (CPTS) and 3-aminopropyltriethoxysilane (APTS) by grafting in toluene at 80 °C over 48 h to give the corresponding materials S2 and S3, respectively. Subsequently, S2 and S3 were suspended in methanol and reacted in a nitrogen atmosphere with betulinic acid (BA) for 48 h at 65 °C (in the presence of the triethylamine of S2) to give the BA-functionalized materials S4 and S5. All materials studied were characterized by powder X-ray diffraction, X-ray fluorescence, nitrogen gas sorption, multinuclear MAS NMR spectroscopy, thermogravimetry, UV spectroscopy, IR, SEM, and TEM. To study the release of BA, S4 and S5 were suspended in solutions simulating various body pH conditions (pH 7.4, 5.5, and 3.0). Results of the quantification of BA release by HPLC for S4 show a pH-dependent and very slow BA release following a logarithmic tendency, while S5 behaves differently, also pH-dependent but, in this case, fast release of BA which requires only days for total release of the therapeutic compound. In addition, the cytotoxic activity of all synthesized materials against various cancer cell lines was studied. The results show the absence of an antiproliferative effect on the surfaces without BA S1-S3, while an antiproliferative effect was observed with S4 and S5 and was attributed to the release of BA in the medium.
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