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Amiri Rudbari H, Saadati A, Aryaeifar M, Blacque O, Cuevas-Vicario JV, Cabral R, Raposo LR, Fernandes AR. Platinum(II) and Copper(II) complexes of asymmetric halogen-substituted [NN'O] ligands: Synthesis, characterization, structural investigations and antiproliferative activity. Bioorg Chem 2021; 119:105556. [PMID: 34959175 DOI: 10.1016/j.bioorg.2021.105556] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/24/2021] [Revised: 12/06/2021] [Accepted: 12/09/2021] [Indexed: 12/20/2022]
Abstract
In order to better understand the effect of structure, halogen substitution, metal ions and ligand flexibility on antiproliferative activity, eight Cu(II) complexes and eight Pt(II) complexes were obtained of 2,4-X1,X2-6-((pyridine-2-ylmethylamino)methyl)phenol and 2,4-X1,X2-6-((pyridine-2-ylmethylamino)ethyl)phenol (where X is Cl, Br, or I) ligands. The compounds were characterized with various techniques, such as FT-IR, NMR, elemental analysis and single-crystal X-ray diffraction (SCXRD). The X-ray structures showed that ligand acts as a bidentate and tridentate donor in Cu(II) and Pt(II) complexes, respectively. This difference in structures is due to the use or non-use of base in the preparation of complexes. Also, complexation of Cl2-H2L1 with CuCl2·2H2O gives two different types of structures: polymer (Cl2-H2L1-Cupolymer) and dimer (Cl2-H2L1-Cudimer), according to the crystal color. In addition, 1H NMR spectrum for platinum complexes display two set of signals that can be attributed to the presence of two isomers in solution. All complexes induced moderate to high reduction in A2780 and HCT116 cancer cell viability. However, only complexes bearing iodo- substituted in ligands exhibited significantly low cytotoxicity in normal fibroblasts when compared with cancer cell lines. The antiproliferative effect exhibited by I2-H2L2-Cu complex in A2780 cell line was due to induction of cell death mechanisms, namely by apoptosis and autophagy. I2-H2L2-Cu complex does not cause DNA cleavage but a slight delay in cell cycle was observed for the first 24 h of exposition. High cytotoxicity was related with the induction of intracellular ROS. This increase in intracellular ROS was not accompanied by destabilization of the mitochondrial membrane which is an indication that ROS are being triggered externally by I2-H2L2-Cu complex and in agreement with an extrinsic apoptosis activation. I2-H2L2-Cu complex has a pro-angiogenic effect, increasing the vascularization of the CAM in chicken embryos. This is also a very important characteristic in cancer treatment since the increased vascularization in tumors might facilitate the delivery of therapeutic drugs. Taken together, these results support the potential therapeutic of the I2-H2L2-Cu complex.
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Affiliation(s)
- Hadi Amiri Rudbari
- Department of Chemistry, University of Isfahan, Isfahan 81746-73441, Iran.
| | - Arezoo Saadati
- Department of Chemistry, University of Isfahan, Isfahan 81746-73441, Iran
| | - Mahnaz Aryaeifar
- Department of Chemistry, University of Isfahan, Isfahan 81746-73441, Iran
| | - Olivier Blacque
- Department of Chemistry, University of Zurich, Winterthurerstrasse 190, CH-8057 Zurich, Switzerland
| | - Jose V Cuevas-Vicario
- Department of Chemistry, Universidad de Burgos, Pza. Misael Bañuelos s/n, E-09001 Burgos, Spain
| | - Rui Cabral
- UCIBIO, Departamento Ciências da Vida, NOVA School of Science and Technology, Campus Caparica, 2829-516 Caparica, Portugal; Associate Laboratory i4HB - Institute for Health and Bioeconomy, NOVA School of Science and Technology, NOVA University Lisbon, 2819-516 Caparica, Portugal
| | - Luis R Raposo
- UCIBIO, Departamento Ciências da Vida, NOVA School of Science and Technology, Campus Caparica, 2829-516 Caparica, Portugal; Associate Laboratory i4HB - Institute for Health and Bioeconomy, NOVA School of Science and Technology, NOVA University Lisbon, 2819-516 Caparica, Portugal
| | - Alexandra R Fernandes
- UCIBIO, Departamento Ciências da Vida, NOVA School of Science and Technology, Campus Caparica, 2829-516 Caparica, Portugal; Associate Laboratory i4HB - Institute for Health and Bioeconomy, NOVA School of Science and Technology, NOVA University Lisbon, 2819-516 Caparica, Portugal.
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2
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Kiwada T, Takayama H, Katakasu H, Ogawa K, Odani A. 20S Proteasome Inhibitory Activity of [ N-(9-Anthracenylmethyl)-1,3-propanediamine] (2,2′-Bipyridine) Palladium(II) Chloride. CHEM LETT 2019. [DOI: 10.1246/cl.190251] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Affiliation(s)
- Tatsuto Kiwada
- Faculty of Pharmacy, Institute of Medical, Pharmaceutical, and Health Sciences, Kanazawa University, Kakuma-machi, Kanazawa, Ishikawa 920-1192, Japan
| | - Hiroshi Takayama
- Department of Chemistry, Graduate School of Science, Nagoya University, Chikusa-ku, Nagoya, Aichi 464-8602, Japan
| | - Hiromu Katakasu
- School of Pharmaceutical Sciences, College of Medical, Pharmaceutical and Health Sciences, Kanazawa University, Kakuma-machi, Kanazawa, Ishikawa 920-1192, Japan
| | - Kazuma Ogawa
- Faculty of Pharmacy, Institute of Medical, Pharmaceutical, and Health Sciences, Kanazawa University, Kakuma-machi, Kanazawa, Ishikawa 920-1192, Japan
- Institute for Frontier Science Initiative, Kanazawa University, Kakuma-machi, Kanazawa, Ishikawa 920-1192, Japan
| | - Akira Odani
- Faculty of Pharmacy, Institute of Medical, Pharmaceutical, and Health Sciences, Kanazawa University, Kakuma-machi, Kanazawa, Ishikawa 920-1192, Japan
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Renfrew AK, O'Neill ES, Hambley TW, New EJ. Harnessing the properties of cobalt coordination complexes for biological application. Coord Chem Rev 2018. [DOI: 10.1016/j.ccr.2017.11.027] [Citation(s) in RCA: 39] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
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Gupta SK, Sen N, Ganaie JA, Butcher RJ, Jasinski JP. Unusual coordination of mononuclear cobalt(III) complexes with sterically demanding Schiff bases: synthesis, spectroscopy, electrochemistry, crystallography, DNA binding, and theoretical investigation. J COORD CHEM 2017. [DOI: 10.1080/00958972.2017.1380196] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
Affiliation(s)
- Sushil K. Gupta
- School of Studies in Chemistry, Jiwaji University, Gwalior, India
| | - Neha Sen
- School of Studies in Chemistry, Jiwaji University, Gwalior, India
| | - Javeed A. Ganaie
- School of Studies in Chemistry, Jiwaji University, Gwalior, India
| | - Ray J. Butcher
- Department of Chemistry, Howard University, Washington, DC, USA
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5
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Filipović NR, Elshaflu H, Grubišić S, Jovanović LS, Rodić M, Novaković I, Malešević A, Djordjević IS, Li H, Šojić N, Marinković A, Todorović TR. Co(iii) complexes of (1,3-selenazol-2-yl)hydrazones and their sulphur analogues. Dalton Trans 2017; 46:2910-2924. [PMID: 28197616 DOI: 10.1039/c6dt04785h] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
The first Co(iii) complexes with (1,3-selenazol-2-yl)hydrazones as an unexplored class of ligands were prepared and characterized by NMR spectroscopy and X-ray diffraction analysis. The novel ligands act as NNN tridentate chelators forming octahedral Co(iii) complexes. The impact of structural changes on ligands' periphery as well as that of isosteric replacement of sulphur with selenium on the electrochemical and electronic absorption features of complexes are explored. To support the experimental data, density functional theory (DFT) calculations were also conducted. Theoretical NMR chemical shifts, the relative energies and natural bond orbital (NBO) analysis are calculated within the DFT approach, while the singlet excited state energies and HOMO-LUMO energy gap were calculated with time-dependent density functional theory (TD-DFT). The electrophilic f- and nucleophilic f+ Fukui functions are well adapted to find the electrophile and nucleophile centres in the molecules. Both (1,3-selenazol-2-yl)- and (1,3-thiazol-2-yl)hydrazone Co(iii) complexes showed potent antimicrobial and antioxidant activity. A significant difference among them was a smaller cytotoxicity of selenium compounds.
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Affiliation(s)
- Nenad R Filipović
- Department of Chemistry and Biochemistry, Faculty of Agriculture, University of Belgrade, Nemanjina 6, Belgrade, Serbia
| | - Hana Elshaflu
- Faculty of Technology and Metallurgy, University of Belgrade, Karnegijeva 4, Belgrade, Serbia
| | - Sonja Grubišić
- Institute of Chemistry, Technology and Metallurgy, University of Belgrade, Njegoševa 12, Belgrade, Serbia
| | - Ljiljana S Jovanović
- Department of Chemistry, Faculty of Sciences, University of Novi Sad, Trg Dositeja Obradovića 4, Novi Sad, Serbia
| | - Marko Rodić
- Department of Chemistry, Faculty of Sciences, University of Novi Sad, Trg Dositeja Obradovića 4, Novi Sad, Serbia
| | - Irena Novaković
- Institute of Chemistry, Technology and Metallurgy, University of Belgrade, Njegoševa 12, Belgrade, Serbia
| | - Aleksandar Malešević
- Faculty of Chemistry, University of Belgrade, Studentski trg 12-16, Belgrade, Serbia.
| | - Ivana S Djordjević
- Institute of Chemistry, Technology and Metallurgy, University of Belgrade, Njegoševa 12, Belgrade, Serbia
| | - Haidong Li
- University of Bordeaux, Bordeaux INP, ENSCBP, Institut des Sciences Moléculaires, CNRS UMR 5255, 16 Avenue Pey-Berland, 33607 Pessac, France
| | - Nešo Šojić
- University of Bordeaux, Bordeaux INP, ENSCBP, Institut des Sciences Moléculaires, CNRS UMR 5255, 16 Avenue Pey-Berland, 33607 Pessac, France
| | - Aleksandar Marinković
- Faculty of Technology and Metallurgy, University of Belgrade, Karnegijeva 4, Belgrade, Serbia
| | - Tamara R Todorović
- Faculty of Chemistry, University of Belgrade, Studentski trg 12-16, Belgrade, Serbia.
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Erdogan DA, Kayi H, Özalp-Yaman Ş. Spectroelectrochemical Investigation of Nuclease Active Pt(II) Complexes Containing Pyrrole Oxime†. Electrochim Acta 2015. [DOI: 10.1016/j.electacta.2015.01.148] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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7
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Basu D, Allard MM, Xavier FR, Heeg MJ, Schlegel HB, Verani CN. Modulation of electronic and redox properties in phenolate-rich cobalt(iii) complexes and their implications for catalytic proton reduction. Dalton Trans 2015; 44:3454-66. [DOI: 10.1039/c4dt03337j] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The redox, spectroscopic and catalytic activity of a series of cobalt complexes with phenolate-rich environments was investigated. The complex [CoIII(LCl)MeOH] shows considerable proton reduction in MeCN:HOAc with TON = 10.8.
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Affiliation(s)
- Debashis Basu
- Department of Chemistry
- Wayne State University
- Detroit
- USA
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Bustamante FL, Miranda FS, Castro FA, Resende JA, Pereira MD, Lanznaster M. A study on the properties and reactivity of naphthoquinone–cobalt(III) prototypes for bioreductive prodrugs. J Inorg Biochem 2014; 132:37-44. [DOI: 10.1016/j.jinorgbio.2013.11.007] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/04/2013] [Revised: 11/14/2013] [Accepted: 11/19/2013] [Indexed: 12/17/2022]
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9
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Tomco D, Schmitt S, Heeg MJ, Dou QP, Verani CN. Inhibition of the 26S proteasome as a possible mechanism for toxicity of heavy metal species. J Inorg Biochem 2014; 132:96-103. [PMID: 24452142 DOI: 10.1016/j.jinorgbio.2013.12.012] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/28/2013] [Revised: 12/24/2013] [Accepted: 12/24/2013] [Indexed: 01/23/2023]
Abstract
In this paper we report on the synthesis of five metal complexes coordinated to the [NN'O] ligand HL(iodo) (2,4-diiodo-6-((pyridine-2-ylmethylamino)methyl)phenol), namely [Al(III)(L(iodo))2]ClO4 (1), [Cd(II)(L(iodo))Cl]·H2O (2), [Hg(II)(L(iodo))2]·4DMSO (3), [Pb(II)(L(iodo))NO3] (4), and [Sn(IV)(L(iodo))Cl3] (5). Species 1-5 are thoroughly characterized by spectroscopic and spectrometric methods, as well as by elemental analysis. X-ray crystallography results for complex 3 indicate the presence of Hg(II) ion hexacoordinated to two facially oriented [NN'O] ligands, whereas for complex 5 an Sn(IV) ion chelates to one deprotonated ligand and three chlorido coligands. The toxicity of species 1-5 is tested against transformed human prostate epithelial cells CRL2221 and we observe that the five complexes demonstrate high levels of cell growth inhibition in a dose-dependent manner. In order to evaluate the relationship between these species and the proteasome, we test 1-5 against purified 20S, CRL2221 cell extracts, and intact cells, followed by the measurement of the percent chymotrypsin-like activity inhibition levels. Results suggest a good correlation between the toxicity of [Hg(II)(L(iodo))2]·4DMSO (3) and proteasome inhibition.
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Affiliation(s)
- Dajena Tomco
- Department of Chemistry, Wayne State University, 5101 Cass Ave., Detroit, MI 48202, USA
| | - Sara Schmitt
- Barbara Ann Karmanos Cancer Institute, School of Medicine, Wayne State University, Detroit, MI 48201, USA; Department of Oncology, School of Medicine, Wayne State University, Detroit, MI 48201, USA; Department of Pathology, School of Medicine, Wayne State University, Detroit, MI 48201, USA; Department of Pharmacology, School of Medicine, Wayne State University, Detroit, MI 48201, USA
| | - Mary Jane Heeg
- Department of Chemistry, Wayne State University, 5101 Cass Ave., Detroit, MI 48202, USA
| | - Q Ping Dou
- Barbara Ann Karmanos Cancer Institute, School of Medicine, Wayne State University, Detroit, MI 48201, USA; Department of Oncology, School of Medicine, Wayne State University, Detroit, MI 48201, USA; Department of Pathology, School of Medicine, Wayne State University, Detroit, MI 48201, USA; Department of Pharmacology, School of Medicine, Wayne State University, Detroit, MI 48201, USA.
| | - Cláudio N Verani
- Department of Chemistry, Wayne State University, 5101 Cass Ave., Detroit, MI 48202, USA.
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Heffern MC, Yamamoto N, Holbrook RJ, Eckermann AL, Meade TJ. Cobalt derivatives as promising therapeutic agents. Curr Opin Chem Biol 2012; 17:189-96. [PMID: 23270779 DOI: 10.1016/j.cbpa.2012.11.019] [Citation(s) in RCA: 125] [Impact Index Per Article: 10.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2012] [Revised: 11/20/2012] [Accepted: 11/21/2012] [Indexed: 01/08/2023]
Abstract
Inorganic complexes are versatile platforms for the development of potent and selective pharmaceutical agents. Cobalt possesses a diverse array of properties that can be manipulated to yield promising drug candidates. Investigations into the mechanism of cobalt therapeutic agents can provide valuable insight into the physicochemical properties that can be harnessed for drug development. This review presents examples of bioactive cobalt complexes with special attention to their mechanisms of action. Specifically, cobalt complexes that elicit biological effects through protein inhibition, modification of drug activity, and bioreductive activation are discussed. Insights gained from these examples reveal features of cobalt that can be rationally tuned to produce therapeutics with high specificity and improved efficacy for the biomolecule or pathway of interest.
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Affiliation(s)
- Marie C Heffern
- Department of Chemistry, Molecular Biosciences, Neurobiology, Biomedical Engineering, and Radiology, Northwestern University, Evanston, IL 60208-3113, United States
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