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Zornić S, Simović Marković B, Franich AA, Janjić GV, Jadranin MB, Avdalović J, Rajković S, Živković MD, Arsenijević NN, Radosavljević GD, Pantić J. Characterization, modes of interactions with DNA/BSA biomolecules and anti-tumor activity of newly synthesized dinuclear platinum(II) complexes with pyridazine bridging ligand. J Biol Inorg Chem 2024; 29:51-73. [PMID: 38099936 DOI: 10.1007/s00775-023-02030-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/04/2023] [Accepted: 10/10/2023] [Indexed: 04/10/2024]
Abstract
Platinum-based drugs are widely recognized efficient anti-tumor agents, but faced with multiple undesirable effects. Here, four dinuclear platinum(II) complexes, [{Pt(1,2-pn)Cl}2(μ-pydz)]Cl2 (C1), [{Pt(ibn)Cl}2(μ-pydz)]Cl2 (C2), [{Pt(1,3-pn)Cl}2(μ-pydz)]Cl2 (C3) and [{Pt(1,3-pnd)Cl}2(μ-pydz)]Cl2 (C4), were designed (pydz is pyridazine, 1,2-pn is ( ±)-1,2-propylenediamine, ibn is 1,2-diamino-2-methylpropane, 1,3-pn is 1,3-propylenediamine, and 1,3-pnd is 1,3-pentanediamine). Interactions and binding ability of C1-C4 complexes with calf thymus DNA (CT-DNA) has been monitored by viscosity measurements, UV-Vis, fluorescence emission spectroscopy and molecular docking. Binding affinities of C1-C4 complexes to the bovine serum albumin (BSA) has been monitored by fluorescence emission spectroscopy. The tested complexes exhibit variable cytotoxicity toward different mouse and human tumor cell lines. C2 shows the most potent cytotoxicity, especially against mouse (4T1) and human (MDA-MD468) breast cancer cells in the dose- and time-dependent manner. C2 induces 4T1 and MDA-MD468 cells apoptosis, further documented by the accumulation of cells at sub-G1 phase of cell cycle and increase of executive caspase 3 and caspase 9 levels in 4T1 cells. C2 exhibits anti-proliferative effect through the reduction of cyclin D3 and cyclin E expression and elevation of inhibitor p27 level. Also, C2 downregulates c-Myc and phosphorylated AKT, oncogenes involved in the control of tumor cell proliferation and death. In order to measure the amount of platinum(II) complexes taken up by the cells, the cellular platinum content were quantified. However, C2 failed to inhibit mouse breast cancer growth in vivo. Chemical modifications of tested platinum(II) complexes might be a valuable approach for the improvement of their anti-tumor activity, especially effects in vivo.
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Affiliation(s)
- Sanja Zornić
- Center for Molecular Medicine and Stem Cell Research, Faculty of Medical Sciences, University of Kragujevac, Svetozara Markovića 69, 34000, Kragujevac, Serbia
- Department of Microbiology, University Clinical Center Kragujevac, Zmaj Jovina 30, 34000, Kragujevac, Serbia
| | - Bojana Simović Marković
- Center for Molecular Medicine and Stem Cell Research, Faculty of Medical Sciences, University of Kragujevac, Svetozara Markovića 69, 34000, Kragujevac, Serbia
| | - Andjela A Franich
- Department of Chemistry, Faculty of Science, University of Kragujevac, Radoja Domanovića 12, 34000, Kragujevac, Serbia
| | - Goran V Janjić
- Department of Chemistry, Institute of Chemistry, Technology and Metallurgy, University of Belgrade, Njegoševa 12, 11000, Belgrade, Serbia
| | - Milka B Jadranin
- Department of Chemistry, Institute of Chemistry, Technology and Metallurgy, University of Belgrade, Njegoševa 12, 11000, Belgrade, Serbia
| | - Jelena Avdalović
- Department of Chemistry, Institute of Chemistry, Technology and Metallurgy, University of Belgrade, Njegoševa 12, 11000, Belgrade, Serbia
| | - Snežana Rajković
- Department of Chemistry, Faculty of Science, University of Kragujevac, Radoja Domanovića 12, 34000, Kragujevac, Serbia
| | - Marija D Živković
- Department of Pharmacy, Faculty of Medical Sciences, University of Kragujevac, Svetozara Markovića 69, 34000, Kragujevac, Serbia
| | - Nebojša N Arsenijević
- Center for Molecular Medicine and Stem Cell Research, Faculty of Medical Sciences, University of Kragujevac, Svetozara Markovića 69, 34000, Kragujevac, Serbia
| | - Gordana D Radosavljević
- Center for Molecular Medicine and Stem Cell Research, Faculty of Medical Sciences, University of Kragujevac, Svetozara Markovića 69, 34000, Kragujevac, Serbia.
| | - Jelena Pantić
- Center for Molecular Medicine and Stem Cell Research, Faculty of Medical Sciences, University of Kragujevac, Svetozara Markovića 69, 34000, Kragujevac, Serbia.
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2
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Abdul Rinshad V, Sahoo J, Venkateswarulu M, Hickey N, De M, Sarathi Mukherjee P. Solvent Induced Conversion of a Self-Assembled Gyrobifastigium to a Barrel and Encapsulation of Zinc-Phthalocyanine within the Barrel for Enhanced Photodynamic Therapy. Angew Chem Int Ed Engl 2023; 62:e202218226. [PMID: 36715420 DOI: 10.1002/anie.202218226] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/12/2022] [Revised: 01/28/2023] [Accepted: 01/30/2023] [Indexed: 01/31/2023]
Abstract
A rare gyrobifastigium architecture (GB) was constructed by self-assembly of a tetradentate donor (L) with PdII acceptor in DMSO. The GB was converted to its isomeric tetragonal barrel (MB) upon treatment with water. The hydrophobic cavity of MB has been explored for the encapsulation of zinc-phthalocyanine (ZnPc), which is an excellent photosensitizer for photodynamic therapy (PDT). However, the poor water-solubility and aggregation tendency are the main reasons for the suboptimal PDT performance of free ZnPc in the aqueous medium. Effective solubilization of ZnPc in an aqueous medium was achieved by encapsulating it in the cavity of MB. The inclusion complex (ZnPc⊂MB) showed enhanced singlet oxygen generation in water. Higher cellular uptake and anticancer activity of the ZnPc⊂MB compared to free ZnPc on HeLa cells indicate that encapsulation of ZnPc in an aqueous host is a potential strategy for enhancement of its PDT activity in water.
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Affiliation(s)
- Valiyakath Abdul Rinshad
- Department of Inorganic and Physical Chemistry, Indian Institute of Science, Bangalore, 560012, India
| | - Jagabandhu Sahoo
- Department of Organic Chemistry, Indian Institute of Science, Bangalore, 560012, India
| | - Mangili Venkateswarulu
- Department of Inorganic and Physical Chemistry, Indian Institute of Science, Bangalore, 560012, India
| | - Neal Hickey
- Department of Chemical and Pharmaceutical Sciences, University of Trieste, Trieste, 34127, Italy
| | - Mrinmoy De
- Department of Organic Chemistry, Indian Institute of Science, Bangalore, 560012, India
| | - Partha Sarathi Mukherjee
- Department of Inorganic and Physical Chemistry, Indian Institute of Science, Bangalore, 560012, India
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3
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Andrezálová L, Országhová Z. Covalent and noncovalent interactions of coordination compounds with DNA: An overview. J Inorg Biochem 2021; 225:111624. [PMID: 34653826 DOI: 10.1016/j.jinorgbio.2021.111624] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2021] [Revised: 08/30/2021] [Accepted: 09/28/2021] [Indexed: 12/26/2022]
Abstract
Deoxyribonucleic acid plays a central role in crucial cellular processes, and many drugs exert their effects through binding to DNA. Since the discovery of cisplatin and its derivatives considerable attention of researchers has been focused on the development of novel anticancer metal-based drugs. Transition metal complexes, due to their great diversity in size and structure, have a big potential to modify DNA through diverse types of interactions, making them the prominent class of compounds for DNA targeted therapy. In this review we describe various binding modes of metal complexes to duplex DNA based on covalent and noncovalent interactions or combination of both. Specific examples of each binding mode as well as possible cytotoxic effects of metal complexes in tumor cells are presented.
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Affiliation(s)
- Lucia Andrezálová
- Institute of Medical Chemistry, Biochemistry and Clinical Biochemistry, Faculty of Medicine, Comenius University, Sasinkova 2, 813 72 Bratislava, Slovakia; Department of Inorganic Chemistry, Faculty of Natural Sciences, Comenius University, Mlynská dolina, Ilkovičova 6, 842 15 Bratislava, Slovakia.
| | - Zuzana Országhová
- Institute of Medical Chemistry, Biochemistry and Clinical Biochemistry, Faculty of Medicine, Comenius University, Sasinkova 2, 813 72 Bratislava, Slovakia
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4
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Substitution-inert polynuclear platinum compounds inhibit human cytomegalovirus attachment and entry. Antiviral Res 2020; 184:104957. [DOI: 10.1016/j.antiviral.2020.104957] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/24/2020] [Revised: 10/16/2020] [Accepted: 10/19/2020] [Indexed: 12/25/2022]
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5
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Rosa NMP, Arvellos JAF, Costa LAS. Molecular dynamics simulation of non-covalent interactions between polynuclear platinum(II) complexes and DNA. J Biol Inorg Chem 2020; 25:963-978. [PMID: 32914401 DOI: 10.1007/s00775-020-01817-9] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2020] [Accepted: 08/30/2020] [Indexed: 10/23/2022]
Abstract
Several studies with substitution-inert polynuclear platinum(II) complexes (SI-PPC) have been carried out in recent years due to the form of DNA binding presented by these compounds. This form of bonding is achieved by molecular recognition through the formation of non-covalent structures, commonly called phosphate clamps and forks, which generate small extensions of the major and minor grooves. In this work, we use molecular dynamics simulations (MD) to study the formation of these cyclical structures between six different SI-PPCs and a double DNA dodecamer, here called 24_bp_DNA. The results showed the influence of the complex expressed on the number of phosphate clamps and forks formed. Based on the conformational characterization of the DNA fragment, we show that the studied SI-PPCs interact preferentially in the minor groove, causing groove spanning, except for two of them, Monoplatin and AH44. The phosphates of C-G pairs are the main sites for such non-covalent interactions. The Gibbs interaction energy of solvated species points out to AH78P, AH78H, and TriplatinNC as the most probable ones when coupled with DNA. As far as we know, this work is the very first one related to SI-PPCs which brings MD simulations and a complete analysis of the non-covalent interactions with a double DNA dodecamer.
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Affiliation(s)
- Nathália M P Rosa
- NEQC-Núcleo de Estudos em Química Computacional, Departamento de Química, ICE, Universidade Federal de Juiz de Fora, Juiz de Fora, MG, 36036-900, Brazil
| | - Júlio A F Arvellos
- NEQC-Núcleo de Estudos em Química Computacional, Departamento de Química, ICE, Universidade Federal de Juiz de Fora, Juiz de Fora, MG, 36036-900, Brazil
| | - Luiz Antônio S Costa
- NEQC-Núcleo de Estudos em Química Computacional, Departamento de Química, ICE, Universidade Federal de Juiz de Fora, Juiz de Fora, MG, 36036-900, Brazil.
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6
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Stelling MP, Motta JM, Mashid M, Johnson WE, Pavão MS, Farrell NP. Metal ions and the extracellular matrix in tumor migration. FEBS J 2020; 286:2950-2964. [PMID: 31379111 DOI: 10.1111/febs.14986] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2019] [Revised: 05/22/2019] [Accepted: 07/06/2019] [Indexed: 12/15/2022]
Abstract
In this review, we explore the roles of divalent metal ions in structure and function within the extracellular matrix (ECM), specifically, their interaction with glycosaminoglycans (GAGs) during tumor progression. Metals and GAGs have been individually associated with physiological and pathological processes, however, their combined activities in regulating cell behavior and ECM remodeling have not been fully explored to date. During tumor progression, divalent metals and GAGs participate in central processes, such as cell migration and angiogenesis, either by modulating cell surface molecules, as well as soluble signaling factors. In addition, studies on metals and polysaccharides interactions have been of great value, as they provide structural information that can be correlated with function. Finally, we believe that understanding how metals are regulated in physiological and pathological conditions is paramount for the development of new treatment strategies, as well as diagnostic and exploratory tools.
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Affiliation(s)
- Mariana P Stelling
- Instituto Federal de Educacao, Educação, Ciência e Tecnologia do Rio de Janeiro, Brazil
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7
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New minor groove covering DNA binding mode of dinuclear Pt(II) complexes with various pyridine-linked bridging ligands and dual anticancer-antiangiogenic activities. J Biol Inorg Chem 2020; 25:395-409. [PMID: 32162071 DOI: 10.1007/s00775-020-01770-7] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/25/2019] [Accepted: 02/25/2020] [Indexed: 12/11/2022]
Abstract
New anticancer platinum(II) compounds simultaneously targeting tumor cells and tumor-derived neoangiogenesis, with new DNA interacting mode and large therapeutic window are appealing alternative to improve efficacy of clinical platinum chemotherapeutics. Herein, we describe three novel dinuclear [{Pt(en)Cl}2(μ-L)]2+ complexes with different pyridine-like bridging ligands (L), 4,4'-bipyridine (Pt1), 1,2-bis(4-pyridyl)ethane (Pt2) and 1,2-bis(4-pyridyl)ethene (Pt3), which highly, positively charged aqua derivatives, [{Pt(en)(H2O)}2(μ-L)]4+, interact with the phosphate backbone forming DNA-Pt adducts with an unique and previously undescribed binding mode, called a minor groove covering. The results of this study suggested that the new binding mode of the aqua-Pt(II) complexes with DNA could be attributed to the higher anticancer activities of their chloride analogues. All three compounds, particularly complex [{Pt(en)Cl}2(μ-4,4'-bipy)]Cl2·2H2O (4,4'-bipy is 4,4'-bipyridine) (Pt1), overcame cisplatin resistance in vivo in the zebrafish-mouse melanoma xenograft model, showed much higher therapeutic potential than antiangiogenic drug sunitinib malate, while effectively blocking tumor neovascularization and melanoma cell metastasis. Overall therapeutic profile showed new dinuclear Pt(II) complexes could be novel, effective and safe anticancer agents. Finally, the correlation with the structural characteristics of these complexes can serve as a useful tool for developing new and more effective anticancer drugs.
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9
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Zarei L, Asadi Z, Samolova E, Dusek M. Preparation of a dimer from self-complementary of cobalt(III) complex with dissymmetric compartmental ligand and study of the interaction of the complex with DNA and BSA. J COORD CHEM 2019. [DOI: 10.1080/00958972.2019.1694148] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
Affiliation(s)
- Leila Zarei
- Department of Chemistry, College of Sciences, Shiraz University, Shiraz, Iran
| | - Zahra Asadi
- Department of Chemistry, College of Sciences, Shiraz University, Shiraz, Iran
| | - Erika Samolova
- Institute of Physics, ASCR, Prague, Czech Republic
- Department of Inorganic Chemistry, Pavol Jozef Šafárik University in Košice, Slovak Republic Košice
| | - Michal Dusek
- Institute of Physics, ASCR, Prague, Czech Republic
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10
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Eskandari A, Kundu A, Ghosh S, Suntharalingam K. A Triangular Platinum(II) Multinuclear Complex with Cytotoxicity Towards Breast Cancer Stem Cells. Angew Chem Int Ed Engl 2019; 58:12059-12064. [DOI: 10.1002/anie.201905389] [Citation(s) in RCA: 25] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2019] [Indexed: 12/21/2022]
Affiliation(s)
- Arvin Eskandari
- Department of ChemistryKing's College London London SE1 1DB UK
| | - Arunangshu Kundu
- Department of ChemistryGauhati University Guwahati Assam 781014 India
| | - Sushobhan Ghosh
- Department of ChemistryGauhati University Guwahati Assam 781014 India
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11
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Sojka M, Fojtu M, Fialova J, Masarik M, Necas M, Marek R. Locked and Loaded: Ruthenium(II)-Capped Cucurbit[ n]uril-Based Rotaxanes with Antimetastatic Properties. Inorg Chem 2019; 58:10861-10870. [PMID: 31355636 DOI: 10.1021/acs.inorgchem.9b01203] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Abstract
We report here the first coupling of Ru(II) units with cucurbit[6/7]uril-based pseudorotaxane ligands meant for biological application. The resulting ruthenium-capped rotaxanes were fully characterized, and a structure of one supramolecular system was determined by X-ray diffraction. Because the biological properties of Ru-based metallodrugs are tightly linked to the ligand-exchange processes, the effect of salt concentration on the hydrolysis of chlorides from the Ru(II) center was monitored by using 1H NMR spectroscopy. The biological activity of Ru(II)-based rotaxanes was evaluated for three selected mammalian breast cell lines, HBL-100, MCF-7, and MDA-MB-231. The antimetastatic activity of the assembled cationic Ru(II)-rotaxane systems, evaluated in migration assays against MCF-7 and MDA-MB-231 cell lines, is notably enhanced compared to that of RAPTA-C, a reference that was used. The indicated synergistic effect of combining Ru(II) with a pseudorotaxane unit opens a new direction in searching for anticancer supramolecular metallodrugs.
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Affiliation(s)
- Martin Sojka
- Department of Chemistry, Faculty of Science , Masaryk University , Kamenice 5 , CZ-62500 Brno , Czechia.,CEITEC-Central European Institute of Technology , Masaryk University , Kamenice 5 , CZ-62500 Brno , Czechia
| | - Michaela Fojtu
- CEITEC-Central European Institute of Technology , Masaryk University , Kamenice 5 , CZ-62500 Brno , Czechia.,Department of Pathological Physiology, Faculty of Medicine , Masaryk University , Kamenice 5 , CZ-62500 Brno , Czechia.,Department of Physiology, Faculty of Medicine , Masaryk University , Kamenice 5 , CZ-62500 Brno , Czechia
| | - Jindriska Fialova
- Department of Physiology, Faculty of Medicine , Masaryk University , Kamenice 5 , CZ-62500 Brno , Czechia
| | - Michal Masarik
- CEITEC-Central European Institute of Technology , Masaryk University , Kamenice 5 , CZ-62500 Brno , Czechia.,Department of Pathological Physiology, Faculty of Medicine , Masaryk University , Kamenice 5 , CZ-62500 Brno , Czechia.,Department of Physiology, Faculty of Medicine , Masaryk University , Kamenice 5 , CZ-62500 Brno , Czechia
| | - Marek Necas
- Department of Chemistry, Faculty of Science , Masaryk University , Kamenice 5 , CZ-62500 Brno , Czechia.,CEITEC-Central European Institute of Technology , Masaryk University , Kamenice 5 , CZ-62500 Brno , Czechia
| | - Radek Marek
- Department of Chemistry, Faculty of Science , Masaryk University , Kamenice 5 , CZ-62500 Brno , Czechia.,CEITEC-Central European Institute of Technology , Masaryk University , Kamenice 5 , CZ-62500 Brno , Czechia
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12
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Eskandari A, Kundu A, Ghosh S, Suntharalingam K. A Triangular Platinum(II) Multinuclear Complex with Cytotoxicity Towards Breast Cancer Stem Cells. Angew Chem Int Ed Engl 2019. [DOI: 10.1002/ange.201905389] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Arvin Eskandari
- Department of ChemistryKing's College London London SE1 1DB UK
| | - Arunangshu Kundu
- Department of ChemistryGauhati University Guwahati Assam 781014 India
| | - Sushobhan Ghosh
- Department of ChemistryGauhati University Guwahati Assam 781014 India
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13
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Rosa NMP, Ferreira FHDC, Farrell NP, Costa LAS. TriplatinNC and Biomolecules: Building Models Based on Non-covalent Interactions. Front Chem 2019; 7:307. [PMID: 31231629 PMCID: PMC6558404 DOI: 10.3389/fchem.2019.00307] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/06/2019] [Accepted: 04/18/2019] [Indexed: 11/30/2022] Open
Abstract
The class of polynuclear platinum(II) compounds have demonstrated a great interest because their high activity against cancer cells. Among these new compounds, the TriplatinNC also called AH78, demonstrated surprising antitumor activity, in some cases equivalent to cisplatin. It is well-known that complex charge +8 favors interaction with DNA and other biomolecules non-covalently, through the hydrogen bonds with phosphate and sulfate groups present in these structures. The hydrogen atoms of the amine interact with the oxygen atoms of the phosphate and sulfate groups present in the DNA strand and heparan sulfate, respectively. These interactions can cause significant twists in double helix and inhibit the activity of these biomolecules. The present investigation is an attempt to provide a benchmark theoretical study about TriplatinNC. We have described the non-covalent interactions through small reliable mimetic models. The non-covalent interactions were also evaluated on larger models containing DNA fractions with six nitrogenous base pairs (CGCGAA) and fractions of the disaccharide that makes the HS evaluated by the hybrid QM/MM ONIOM methodology.
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Affiliation(s)
- Nathália M. P. Rosa
- Núcleo de Estudos em Química Computacional, Departamento de Química, ICE, Universidade Federal de Juiz de Fora, Juiz de Fora, Brazil
| | - Frederico Henrique do C. Ferreira
- Núcleo de Estudos em Química Computacional, Departamento de Química, ICE, Universidade Federal de Juiz de Fora, Juiz de Fora, Brazil
| | - Nicholas P. Farrell
- Department of Chemistry, Virginia Commonwealth University, Richmond, VA, United States
| | - Luiz Antônio S. Costa
- Núcleo de Estudos em Química Computacional, Departamento de Química, ICE, Universidade Federal de Juiz de Fora, Juiz de Fora, Brazil
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Malina J, Čechová K, Farrell NP, Brabec V. Substitution-Inert Polynuclear Platinum Complexes with Dangling Amines: Condensation/Aggregation of Nucleic Acids and Inhibition of DNA-Related Enzymatic Activities. Inorg Chem 2019; 58:6804-6810. [PMID: 31046253 DOI: 10.1021/acs.inorgchem.9b00254] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/02/2023]
Abstract
The substitution-inert polynuclear platinum complexes (SI-PPCs) are now recognized as a distinct subclass of platinum anticancer drugs with high DNA binding affinity. Here, we investigate the effects of SI-PPCs containing dangling amine groups in place of NH3 as ligands to increase the length of the molecule and therefore overall charge and its distribution. The results obtained with the aid of biophysical techniques, such as total intensity light scattering, gel electrophoresis, and atomic force microscopy, show that addition of dangling amine groups considerably augments the ability of SI-PPCs to condense/aggregate nucleic acids. Moreover, this enhanced capability of SI-PPCs correlates with their heightened efficiency to inhibit DNA-related enzymatic activities, such as those connected with DNA transcription, catalysis of DNA relaxation by DNA topoisomerase I, and DNA synthesis catalyzed by Taq DNA polymerase. Thus, the addition of the dangling amine groups resulting in structures of SI-PPCs, which differ so markedly from the derivatives of cisplatin used in the clinic, appears to contribute to the overall biological activity of these molecules.
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Affiliation(s)
- Jaroslav Malina
- Czech Academy of Sciences , Institute of Biophysics , Kralovopolska 135 , CZ-61265 Brno , Czech Republic
| | - Klára Čechová
- Czech Academy of Sciences , Institute of Biophysics , Kralovopolska 135 , CZ-61265 Brno , Czech Republic
| | - Nicholas P Farrell
- Department of Chemistry , Virginia Commonwealth University , Richmond , Virginia 23284-2006 , United States
| | - Viktor Brabec
- Czech Academy of Sciences , Institute of Biophysics , Kralovopolska 135 , CZ-61265 Brno , Czech Republic
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Malina J, Farrell NP, Brabec V. Substitution-Inert Polynuclear Platinum Complexes Act as Potent Inducers of Condensation/Aggregation of Short Single- and Double-Stranded DNA and RNA Oligonucleotides. Chemistry 2019; 25:2995-2999. [PMID: 30565774 DOI: 10.1002/chem.201806276] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2018] [Indexed: 01/18/2023]
Abstract
Compounds condensing DNA and RNA molecules can essentially affect important biological processes including DNA replication and transcription. Here, this work shows with the aid of total intensity light scattering, gel electrophoresis, and atomic force microscopy (AFM) that the substitution-inert polynuclear platinum complexes (SI-PPCs), particularly [{trans-Pt(NH3 )2 (NH2 (CH2 )6 - NH3 + )}2 -μ-{trans-Pt(NH3 )2 (NH2 (CH2 )6 NH2 )2 }]8+ (Triplatin NC), exhibit an unprecedented high potency to condense/aggregate fragments of DNA and RNA as short as 20 base pairs. SI-PPCs condensates are distinctive from those generated by the naturally occurring polyamines (commonly used DNA compacting/condensing agents). Collectively, the results further confirm that SI-PPCs are very efficient inducers of condensation of DNA and RNA, including their short fragments that might have potential in gene therapy, biotechnology, and bionanotechnology. Moreover, the data confirm the structural advantages of the phosphate clamp, with a well-defined rigid DNA recognition motif in initiating condensation and aggregation phenomena on oligonucleotides.
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Affiliation(s)
- Jaroslav Malina
- Institute of Biophysics, Czech Academy of Sciences, Kralovopolska 135, 61265, Brno, Czech Republic
| | - Nicholas P Farrell
- Department of Chemistry, Virginia Commonwealth University, Richmond, VA, 23284-2006, USA
| | - Viktor Brabec
- Institute of Biophysics, Czech Academy of Sciences, Kralovopolska 135, 61265, Brno, Czech Republic
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Konovalov B, Živković MD, Milovanović JZ, Djordjević DB, Arsenijević AN, Vasić IR, Janjić GV, Franich A, Manojlović D, Skrivanj S, Milovanović MZ, Djuran MI, Rajković S. Synthesis, cytotoxic activity and DNA interaction studies of new dinuclear platinum(ii) complexes with an aromatic 1,5-naphthyridine bridging ligand: DNA binding mode of polynuclear platinum(ii) complexes in relation to the complex structure. Dalton Trans 2019; 47:15091-15102. [PMID: 30303498 DOI: 10.1039/c8dt01946k] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The synthesis, spectroscopic characterization, cytotoxic activity and DNA binding evaluation of seven new dinuclear platinum(ii) complexes Pt1-Pt7, with the general formula [{Pt(L)Cl}2(μ-1,5-nphe)](ClO4)2 (1,5-nphe is 1,5-naphthyridine; while L is two ammines (Pt1) or one bidentate coordinated diamine: ethylenediamine (Pt2), (±)-1,2-propylenediamine (Pt3), trans-(±)-1,2-diaminocyclohexane (Pt4), 1,3-propylenediamine (Pt5), 2,2-dimethyl-1,3-propylenediamine (Pt6), and 1,3-pentanediamine (Pt7)), were reported. In vitro cytotoxic activity of these complexes was evaluated against three tumor cell lines, murine colon carcinoma (CT26), murine mammary carcinoma (4T1) and murine lung cancer (LLC1) and two normal cell lines, murine mesenchymal stem cells (MSC) and human fibroblast (MRC-5) cells. The results of the MTT assay indicate that all investigated complexes have almost no cytotoxic effects on 4T1 and very low cytotoxicity toward LLC1 cell lines. In contrast to the effects on LLC1 and 4T1 cells, complexes Pt1 and Pt2 had significant cytotoxic activity toward CT26 cells. Complex Pt1 had a much lower IC50 value for activity on CT26 cells compared with cisplatin. In comparison with cisplatin, all dinuclear Pt1-Pt7 complexes showed lower cytotoxicity toward normal MSC and MRC-5 cells. In order to measure the amount of platinum(ii) complexes taken up by the cells, we quantified the cellular platinum content using inductively coupled plasma mass spectrometry (ICP-QMS). Molecular docking studies performed to evaluate the potential binding mode of dinuclear platinum(ii) complexes Pt1-Pt7 and their aqua derivatives W1-W7, respectively, at the double stranded DNA showed that groove spanning and backbone tracking are the most stable binding modes.
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Affiliation(s)
- Bata Konovalov
- University of Kragujevac, Faculty of Science, Department of Chemistry, R. Domanovića 12, 34000 Kragujevac, Serbia.
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17
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Komeda S, Yoneyama H, Uemura M, Tsuchiya T, Hoshiyama M, Sakazaki T, Hiramoto K, Harusawa S. Synthesis and structure-activity relationships of tetrazolato-bridged dinuclear platinum(II) complexes: A small modification at tetrazole C5 markedly influences the in vivo antitumor efficacy. J Inorg Biochem 2019; 192:82-86. [PMID: 30612029 DOI: 10.1016/j.jinorgbio.2018.12.009] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2018] [Revised: 12/17/2018] [Accepted: 12/21/2018] [Indexed: 02/04/2023]
Abstract
We synthesized and characterized 15 new derivatives of the highly anticancer-active platinum(II) complex [{cis-Pt(NH3)2}2(μ-OH)(μ-tetrazolato-N2,N3)]2+ (5-H-Y) by making substitutions at tetrazole C5. We then evaluated the comprehensive structure-cytotoxicity relationships of a total of 23 derivatives in two murine lymphocytic leukaemia cell lines, sensitive and resistant to cisplatin. We also report the in vivo antitumor efficacy of three ester derivatives, two of which exhibited much higher efficacy than oxaliplatin against mouse homografted Colon-26 colorectal tumor.
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Affiliation(s)
- Seiji Komeda
- Faculty of Pharmaceutical Sciences, Suzuka University of Medical Science, Suzuka 513-8670, Japan.
| | - Hiroki Yoneyama
- Department of Pharmaceutical Organic Chemistry, Osaka University of Pharmaceutical Sciences, 4-20-1 Nasahara, Takatsuki, Osaka 569-1094, Japan
| | - Masako Uemura
- Faculty of Pharmaceutical Sciences, Suzuka University of Medical Science, Suzuka 513-8670, Japan
| | - Takahiro Tsuchiya
- Faculty of Pharmaceutical Sciences, Suzuka University of Medical Science, Suzuka 513-8670, Japan
| | - Miyuu Hoshiyama
- Faculty of Pharmaceutical Sciences, Suzuka University of Medical Science, Suzuka 513-8670, Japan
| | - Tomoya Sakazaki
- Faculty of Pharmaceutical Sciences, Suzuka University of Medical Science, Suzuka 513-8670, Japan
| | - Keiichi Hiramoto
- Faculty of Pharmaceutical Sciences, Suzuka University of Medical Science, Suzuka 513-8670, Japan
| | - Shinya Harusawa
- Department of Pharmaceutical Organic Chemistry, Osaka University of Pharmaceutical Sciences, 4-20-1 Nasahara, Takatsuki, Osaka 569-1094, Japan.
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18
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Ma Y, Wang H, Su S, Chen Y, Li Y, Wang X, Wang Z. A red mitochondria-targeted AIEgen for visualizing H2S in living cells and tumours. Analyst 2019; 144:3381-3388. [DOI: 10.1039/c9an00393b] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
A red mitochondria-targeted AIEgen with greater conjugate and more positive charges for visualizing H2S in cells and tumours.
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Affiliation(s)
- Yufan Ma
- State Key Laboratory of Chemical Resource Engineering
- College of Science
- Beijing Advanced Innovation Centre for Soft Matter Science and Engineering
- Beijing University of Chemical Technology
- Beijing
| | - Huiping Wang
- China National Institute of Standardization
- Beijing
- China
| | - Shan Su
- State Key Laboratory of Chemical Resource Engineering
- College of Science
- Beijing Advanced Innovation Centre for Soft Matter Science and Engineering
- Beijing University of Chemical Technology
- Beijing
| | - Yuzhi Chen
- State Key Laboratory of Chemical Resource Engineering
- College of Science
- Beijing Advanced Innovation Centre for Soft Matter Science and Engineering
- Beijing University of Chemical Technology
- Beijing
| | - Yawen Li
- State Key Laboratory of Chemical Resource Engineering
- College of Science
- Beijing Advanced Innovation Centre for Soft Matter Science and Engineering
- Beijing University of Chemical Technology
- Beijing
| | - Xuefei Wang
- School of Chemistry and Chemical Engineering
- University of Chinese Academy of Sciences. No.19(A) Yuquan Road
- Beijing
- China
| | - Zhuo Wang
- State Key Laboratory of Chemical Resource Engineering
- College of Science
- Beijing Advanced Innovation Centre for Soft Matter Science and Engineering
- Beijing University of Chemical Technology
- Beijing
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19
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Petrović A, Milutinović MM, Petri ET, Živanović M, Milivojević N, Puchta R, Scheurer A, Korzekwa J, Klisurić OR, Bogojeski J. Synthesis of Camphor-Derived Bis(pyrazolylpyridine) Rhodium(III) Complexes: Structure-Reactivity Relationships and Biological Activity. Inorg Chem 2018; 58:307-319. [PMID: 30565467 DOI: 10.1021/acs.inorgchem.8b02390] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
Two novel rhodium(III) complexes, namely, [RhIII(X)Cl3] (X = 2 2,6-bis((4 S,7 R)-7,8,8-trimethyl-4,5,6,7-tetrahydro-1 H-4,7-methanoindazol-3-yl)pyridine or 2,6-bis((4 S,7 R)-1,7,8,8-tetramethyl-4,5,6,7-tetrahydro-1 H-4,7-methanoindazol-3-yl)pyridine), were synthesized from camphor derivatives of a bis(pyrazolylpyridine), tridentate nitrogen-donor chelate system, giving [RhIII(H2L*)Cl3] (1a) and [RhIII(Me2L*)Cl3] (1b). A rhodium(III) terpyridine (terpy) ligand complex, [RhIII(terpy)Cl3] (1c), was also synthesized. By single-crystal X-ray analysis, 1b crystallizes in an orthorhombic P212121 system, with two molecules in the asymmetric unit. Tridentate coordination by the N,N,N-donor localizes the central nitrogen atom close to the rhodium(III) center. Compounds 1a and 1b were reactive toward l-methionine (l-Met), guanosine-5'-monophosphate (5'-GMP), and glutathione (GSH), with an order of reactivity of 5'-GMP > GSH > l-Met. The order of reactivity of the RhIII complexes was: 1b> 1a > 1c. The RhIII complexes showed affinity for calf thymus DNA and bovine serum albumin by UV-vis and emission spectral studies. Furthermore, 1b showed significant in vitro cytotoxicity against human epithelial colorectal carcinoma cells. Since the RhIII complexes have similar coordination modes, stability differences were evaluated by density functional theory (DFT) calculations (B3LYP(CPCM)/LANL2DZp). With (H2L*) and (terpy) as model ligands, DFT calculations suggest that both tridentate ligand systems have similar stability. In addition, molecular docking suggests that all test compounds have affinity for the minor groove of DNA, while 1b and 1c have potential for DNA intercalation.
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Affiliation(s)
- Angelina Petrović
- Faculty of Science , University of Kragujevac , Radoja Domanovića 12 , 34000 Kragujevac , Serbia
| | - Milan M Milutinović
- Faculty of Science , University of Kragujevac , Radoja Domanovića 12 , 34000 Kragujevac , Serbia.,Department of Organic Chemistry , University of Paderborn , Warburgerstraße 100 , 33098 Paderborn , Germany
| | | | - Marko Živanović
- Faculty of Science , University of Kragujevac , Radoja Domanovića 12 , 34000 Kragujevac , Serbia
| | - Nevena Milivojević
- Faculty of Science , University of Kragujevac , Radoja Domanovića 12 , 34000 Kragujevac , Serbia
| | | | | | | | | | - Jovana Bogojeski
- Faculty of Science , University of Kragujevac , Radoja Domanovića 12 , 34000 Kragujevac , Serbia
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20
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Deo KM, Ang DL, McGhie B, Rajamanickam A, Dhiman A, Khoury A, Holland J, Bjelosevic A, Pages B, Gordon C, Aldrich-Wright JR. Platinum coordination compounds with potent anticancer activity. Coord Chem Rev 2018. [DOI: 10.1016/j.ccr.2017.11.014] [Citation(s) in RCA: 65] [Impact Index Per Article: 10.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
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21
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Gorle AK, Katner SJ, Johnson WE, Lee DE, Daniel AG, Ginsburg EP, von Itzstein M, Berners‐Price SJ, Farrell NP. Substitution‐Inert Polynuclear Platinum Complexes as Metalloshielding Agents for Heparan Sulfate. Chemistry 2018; 24:6606-6616. [DOI: 10.1002/chem.201706030] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2017] [Indexed: 11/06/2022]
Affiliation(s)
- Anil Kumar Gorle
- Institute for Glycomics Griffith University, Gold Coast Campus Southport Queensland 4222 Australia
| | - Samantha J. Katner
- Department of Chemistry and The Massey Cancer Center Virginia Commonwealth University Richmond 23284 Virginia USA
| | - Wyatt E. Johnson
- Department of Chemistry and The Massey Cancer Center Virginia Commonwealth University Richmond 23284 Virginia USA
| | - Daniel E. Lee
- Department of Chemistry and The Massey Cancer Center Virginia Commonwealth University Richmond 23284 Virginia USA
| | - A. Gerard Daniel
- Department of Chemistry and The Massey Cancer Center Virginia Commonwealth University Richmond 23284 Virginia USA
| | - Eric P. Ginsburg
- Department of Chemistry and The Massey Cancer Center Virginia Commonwealth University Richmond 23284 Virginia USA
| | - Mark von Itzstein
- Institute for Glycomics Griffith University, Gold Coast Campus Southport Queensland 4222 Australia
| | - Susan J. Berners‐Price
- Institute for Glycomics Griffith University, Gold Coast Campus Southport Queensland 4222 Australia
| | - Nicholas P. Farrell
- Institute for Glycomics Griffith University, Gold Coast Campus Southport Queensland 4222 Australia
- Department of Chemistry and The Massey Cancer Center Virginia Commonwealth University Richmond 23284 Virginia USA
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22
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Katner SJ, Johnson WE, Peterson EJ, Page P, Farrell NP. Comparison of Metal-Ammine Compounds Binding to DNA and Heparin. Glycans as Ligands in Bioinorganic Chemistry. Inorg Chem 2018; 57:3116-3125. [PMID: 29473748 DOI: 10.1021/acs.inorgchem.7b03043] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
We present spectroscopic and biophysical approaches to examine the affinity of metal-ammine coordination complexes for heparin as a model for heparan sulfate (HS). Similar to nucleic acids, the highly anionic nature of heparin means it is associated in vivo with physiologically relevant cations, and this work extends their bioinorganic chemistry to substitution-inert metal-ammine compounds (M). Both indirect and direct assays were developed. M compounds are competitive inhibitors of methylene blue (MB)-heparin binding, and the change in the absorbance of the dye in the presence or absence of heparin can be used as an indirect reporter of M-heparin affinity. A second indirect assay uses the change in fluorescence of TAMRA-R9, a nonaarginine linked to a fluorescent TAMRA moiety, as a reporter for M-heparin binding. Direct assays are surface plasmon resonance (SPR) and isothermal titration calorimetry (ITC). The Kd values for TriplatinNC-heparin varied to some extent depending on the technique from 33.1 ± 2 nM (ITC) to 66.4 ± 1.3 nM (MB absorbance assay) and 340 ± 30 nM (SPR). The differences are explained by the nature of the technique and the use of heparin of differing molecular weight. Indirect probes using the displacement of ethidium bromide from DNA or, separately, fluorescently labeled oligonucleotide (DNA-Fl) can measure the relative affinities of heparin and DNA for M compounds. These assays showed essentially equivalent affinity of TriplatinNC for heparin and DNA. The generality of these methods was confirmed with a series of mononuclear cobalt, ruthenium, and platinum compounds with significantly lower affinity because of their smaller overall positive charge but in the order [Co(NH3)6]3+ > [Ru(NH3)6]3+ > [Pt(NH3)4]2+. The results on heparin can be extrapolated to glycosoaminoglycans such as HS, emphasizing the relevance of glycan interactions in understanding the biological properties of coordination compounds and the utility of the metalloglycomics concept for extending bioinorganic chemistry to this class of important biomolecules.
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Affiliation(s)
- Samantha J Katner
- Department of Chemistry and Massey Cancer Center , Virginia Commonwealth University (VCU) , Richmond , Virginia 23284 , United States
| | - Wyatt E Johnson
- Department of Chemistry and Massey Cancer Center , Virginia Commonwealth University (VCU) , Richmond , Virginia 23284 , United States
| | - Erica J Peterson
- Department of Chemistry and Massey Cancer Center , Virginia Commonwealth University (VCU) , Richmond , Virginia 23284 , United States
| | - Phillip Page
- Reichert Technologies , Depew , New York 14043 , United States
| | - Nicholas P Farrell
- Department of Chemistry and Massey Cancer Center , Virginia Commonwealth University (VCU) , Richmond , Virginia 23284 , United States
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23
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Minus MB, Kang MK, Knudsen SE, Liu W, Krueger MJ, Smith ML, Redell MS, Ball ZT. Assessing the intracellular fate of rhodium(ii) complexes. Chem Commun (Camb) 2018; 52:11685-11688. [PMID: 27709185 DOI: 10.1039/c6cc05192h] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Abstract
Rhodium(ii)-fluorophore conjugates have strong rhodium-based fluorescence quenching that can be harnessed to report on a conjugate's cellular uptake and the intracellular decomposition rate. Information gleened from this study allowed the design of an improved STAT3 metalloinhibitor.
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Affiliation(s)
- Matthew B Minus
- Department of Chemistry, Rice University, Houston, Texas 77005, USA.
| | - Marci K Kang
- Department of Chemistry, Rice University, Houston, Texas 77005, USA.
| | - Sarah E Knudsen
- Department of Chemistry, Rice University, Houston, Texas 77005, USA.
| | - Wei Liu
- Texas Children's Cancer Center, Baylor College of Medicine, Houston, TX, USA
| | - Michael J Krueger
- Texas Children's Cancer Center, Baylor College of Medicine, Houston, TX, USA
| | - Morgen L Smith
- Department of Chemistry, Rice University, Houston, Texas 77005, USA.
| | - Michele S Redell
- Texas Children's Cancer Center, Baylor College of Medicine, Houston, TX, USA
| | - Zachary T Ball
- Department of Chemistry, Rice University, Houston, Texas 77005, USA.
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24
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Mass spectrometry as a powerful tool to study therapeutic metallodrugs speciation mechanisms: Current frontiers and perspectives. Coord Chem Rev 2017. [DOI: 10.1016/j.ccr.2017.02.012] [Citation(s) in RCA: 78] [Impact Index Per Article: 11.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
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25
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26
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Brabec V, Hrabina O, Kasparkova J. Cytotoxic platinum coordination compounds. DNA binding agents. Coord Chem Rev 2017. [DOI: 10.1016/j.ccr.2017.04.013] [Citation(s) in RCA: 77] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
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27
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Zhang Z, Wang X, Luo C, Zhu C, Wang K, Zhang C, Guo Z. Dinuclear Platinum(II) Complexes with Bone-Targeting Groups as Potential Anti-Osteosarcoma Agents. Chem Asian J 2017; 12:1659-1667. [DOI: 10.1002/asia.201700577] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2017] [Revised: 05/26/2017] [Indexed: 01/05/2023]
Affiliation(s)
- Zhenqin Zhang
- State Key Laboratory of Coordination Chemistry; School of Chemistry and Chemical Engineering; Nanjing University; Nanjing 210023 China
- School of Pharmacy; Nanjing Medical University; Nanjing 211166 China
| | - Xiaoyong Wang
- State Key Laboratory of Pharmaceutical Biotechnology; School of Life Sciences; Nanjing University; Nanjing 210023 China
| | - Cheng Luo
- State Key Laboratory of Coordination Chemistry; School of Chemistry and Chemical Engineering; Nanjing University; Nanjing 210023 China
| | - Chengcheng Zhu
- State Key Laboratory of Coordination Chemistry; School of Chemistry and Chemical Engineering; Nanjing University; Nanjing 210023 China
| | - Kun Wang
- State Key Laboratory of Coordination Chemistry; School of Chemistry and Chemical Engineering; Nanjing University; Nanjing 210023 China
| | - Changli Zhang
- State Key Laboratory of Coordination Chemistry; School of Chemistry and Chemical Engineering; Nanjing University; Nanjing 210023 China
| | - Zijian Guo
- State Key Laboratory of Coordination Chemistry; School of Chemistry and Chemical Engineering; Nanjing University; Nanjing 210023 China
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28
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Komeda S, Yoneyama H, Uemura M, Muramatsu A, Okamoto N, Konishi H, Takahashi H, Takagi A, Fukuda W, Imanaka T, Kanbe T, Harusawa S, Yoshikawa Y, Yoshikawa K. Specific Conformational Change in Giant DNA Caused by Anticancer Tetrazolato-Bridged Dinuclear Platinum(II) Complexes: Middle-Length Alkyl Substituents Exhibit Minimum Effect. Inorg Chem 2017; 56:802-811. [PMID: 28045514 DOI: 10.1021/acs.inorgchem.6b02239] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2023]
Abstract
Derivatives of the highly antitumor-active compound [{cis-Pt(NH3)2}2(μ-OH)(μ-tetrazolato-N2,N3)]2+ (5-H-Y), which is a tetrazolato-bridged dinuclear platinum(II) complex, were prepared by substituting a linear alkyl chain moiety at C5 of the tetrazolate ring. The general formula for the derivatives is [{cis-Pt(NH3)2}2(μ-OH)(μ-5-R-tetrazolato-N2,N3)]2+, where R is (CH2)nCH3 and n = 0 to 8 (complexes 1-9). The cytotoxicity of complexes 1-4 in NCI-H460 human non-small-cell lung cancer cells decreased with increasing alkyl chain length, and those of complexes 5-9 increased with increasing alkyl chain length. That is, the in vitro cytotoxicity of complexes 1-9 was found to have a U-shaped association with alkyl chain length. This U-shaped association is attributable to the degree of intracellular accumulation. Although circular dichroism spectroscopic measurement indicated that complexes 1-9 induced comparable conformational changes in the secondary structure of DNA, the tetrazolato-bridged complexes induced different degrees of DNA compaction as revealed by a single DNA measurement with fluorescence microsopy, which also had a U-shaped association with alkyl chain length that matched the association observed for cytotoxicity. Complexes 7-9, which had alkyl chains long enough to confer surfactant-like properties to the complex, induced DNA compaction 20 or 1000 times more efficiently than 5-H-Y or spermidine. A single DNA measurement with transmission electron microscopy revealed that complex 8 formed large spherical self-assembled structures that induced DNA compaction with extremely high efficiency. This result suggests that these structures may play a role in the DNA compaction that was induced by the complexes with the longer alkyl chains. The derivatization with a linear alkyl chain produced a series of complexes with unique cellular accumulation and DNA conformational change profiles and a potentially useful means of developing next-generation platinum-based anticancer drugs. In addition, the markedly high ability of these complexes to induce DNA compaction and their high intracellular accumulation emphasized the difference in mechanism of action from platinum-based anticancer drugs.
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Affiliation(s)
- Seiji Komeda
- Faculty of Pharmaceutical Sciences, Suzuka University of Medical Science , Suzuka, Mie 513-8670, Japan
| | - Hiroki Yoneyama
- Faculty of Pharmaceutical Sciences, Osaka University of Pharmaceutical Sciences , Takatsuki, Osaka 569-1094, Japan
| | - Masako Uemura
- Faculty of Pharmaceutical Sciences, Suzuka University of Medical Science , Suzuka, Mie 513-8670, Japan
| | - Akira Muramatsu
- Faculty of Life and Medical Sciences, Doshisha University , Kyotanabe, Kyoto 610-0394, Japan
| | - Naoto Okamoto
- Faculty of Pharmaceutical Sciences, Suzuka University of Medical Science , Suzuka, Mie 513-8670, Japan
| | - Hiroaki Konishi
- Yakult Central Institute , Yakult Honsha Co., Ltd., Kunitachi, Tokyo 186-8650, Japan
| | - Hiroyuki Takahashi
- Pharmaceutical Research and Development Department, Yakult Honsha Co., Ltd. , Chuo, Tokyo 104-0061, Japan
| | - Akimitsu Takagi
- Yakult Central Institute , Yakult Honsha Co., Ltd., Kunitachi, Tokyo 186-8650, Japan
| | - Wakao Fukuda
- Department of Biotechnology, College of Life Sciences, Ritsumeikan University , Kusatsu, Shiga 525-8577, Japan
| | - Tadayuki Imanaka
- Department of Biotechnology, College of Life Sciences, Ritsumeikan University , Kusatsu, Shiga 525-8577, Japan
| | - Toshio Kanbe
- Laboratory of Medical Mycology, Research Institute for Disease Mechanism and Control, School of Medicine, Nagoya University , Nagoya 464-0064, Japan
| | - Shinya Harusawa
- Faculty of Pharmaceutical Sciences, Osaka University of Pharmaceutical Sciences , Takatsuki, Osaka 569-1094, Japan
| | - Yuko Yoshikawa
- Faculty of Life and Medical Sciences, Doshisha University , Kyotanabe, Kyoto 610-0394, Japan
| | - Kenichi Yoshikawa
- Faculty of Life and Medical Sciences, Doshisha University , Kyotanabe, Kyoto 610-0394, Japan
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29
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Gong G, Wang W, Du W. Binuclear ruthenium complexes inhibit the fibril formation of human islet amyloid polypeptide. RSC Adv 2017. [DOI: 10.1039/c6ra28107a] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
Binuclear ruthenium complexes reverse the aggregation of human islet amyloid polypeptide.
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Affiliation(s)
- Gehui Gong
- Department of Chemistry
- Renmin University of China
- Beijing
- China
| | - Wenji Wang
- Department of Chemistry
- Renmin University of China
- Beijing
- China
| | - Weihong Du
- Department of Chemistry
- Renmin University of China
- Beijing
- China
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30
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Alessio E. Thirty Years of the Drug Candidate NAMI-A and the Myths in the Field of Ruthenium Anticancer Compounds: A Personal Perspective. Eur J Inorg Chem 2016. [DOI: 10.1002/ejic.201600986] [Citation(s) in RCA: 259] [Impact Index Per Article: 32.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Enzo Alessio
- Department of Chemical and Pharmaceutical Sciences; University of Trieste; Via L. Giorgieri 1 34127 Trieste Italy
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31
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Imai R, Komeda S, Shimura M, Tamura S, Matsuyama S, Nishimura K, Rogge R, Matsunaga A, Hiratani I, Takata H, Uemura M, Iida Y, Yoshikawa Y, Hansen JC, Yamauchi K, Kanemaki MT, Maeshima K. Chromatin folding and DNA replication inhibition mediated by a highly antitumor-active tetrazolato-bridged dinuclear platinum(II) complex. Sci Rep 2016; 6:24712. [PMID: 27094881 PMCID: PMC4837362 DOI: 10.1038/srep24712] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/22/2015] [Accepted: 04/05/2016] [Indexed: 11/13/2022] Open
Abstract
Chromatin DNA must be read out for various cellular functions, and copied for the next cell division. These processes are targets of many anticancer agents. Platinum-based drugs, such as cisplatin, have been used extensively in cancer chemotherapy. The drug–DNA interaction causes DNA crosslinks and subsequent cytotoxicity. Recently, it was reported that an azolato-bridged dinuclear platinum(II) complex, 5-H-Y, exhibits a different anticancer spectrum from cisplatin. Here, using an interdisciplinary approach, we reveal that the cytotoxic mechanism of 5-H-Y is distinct from that of cisplatin. 5-H-Y inhibits DNA replication and also RNA transcription, arresting cells in the S/G2 phase, and are effective against cisplatin-resistant cancer cells. Moreover, it causes much less DNA crosslinking than cisplatin, and induces chromatin folding. 5-H-Y will expand the clinical applications for the treatment of chemotherapy-insensitive cancers.
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Affiliation(s)
- Ryosuke Imai
- Biological Macromolecules Laboratory, Structural Biology Center, National Institute of Genetics, Mishima, Shizuoka 411-8540, Japan.,Department of Genetics, School of Life Science, Sokendai (Graduate University for Advanced Studies), Mishima, Shizuoka 411-8540, Japan
| | - Seiji Komeda
- Faculty of Pharmaceutical Sciences, Suzuka University of Medical Science, Suzuka, Mie, 513-8670
| | - Mari Shimura
- CREST, JST, 4-1-8 Honcho, Kawaguchi, Saitama 332-0012, Japan.,Department of Intractable Diseases, Research Institute, National Center for Global Health and Medicine, Shinjuku, Tokyo 162-8655, Japan.,RIKEN SPring-8 Center, 1-1-1 Kouto, Sayo-cho, Sayo-gun, Hyogo 679-5148, Japan
| | - Sachiko Tamura
- Biological Macromolecules Laboratory, Structural Biology Center, National Institute of Genetics, Mishima, Shizuoka 411-8540, Japan.,CREST, JST, 4-1-8 Honcho, Kawaguchi, Saitama 332-0012, Japan
| | - Satoshi Matsuyama
- CREST, JST, 4-1-8 Honcho, Kawaguchi, Saitama 332-0012, Japan.,RIKEN SPring-8 Center, 1-1-1 Kouto, Sayo-cho, Sayo-gun, Hyogo 679-5148, Japan.,Department of Precision Science &Technology, Graduate School of Engineering, Osaka University, 2-1 Yamada-oka Suita, Osaka, Japan 565-0871
| | - Kohei Nishimura
- Center for Frontier Research, National Institute of Genetics, Yata 1111, Mishima, Shizuoka 411-8540, Japan
| | - Ryan Rogge
- Department of Biochemistry and Molecular Biology, Colorado State University, Fort Collins, CO 80523, USA
| | - Akihiro Matsunaga
- CREST, JST, 4-1-8 Honcho, Kawaguchi, Saitama 332-0012, Japan.,Department of Intractable Diseases, Research Institute, National Center for Global Health and Medicine, Shinjuku, Tokyo 162-8655, Japan.,RIKEN SPring-8 Center, 1-1-1 Kouto, Sayo-cho, Sayo-gun, Hyogo 679-5148, Japan
| | - Ichiro Hiratani
- Biological Macromolecules Laboratory, Structural Biology Center, National Institute of Genetics, Mishima, Shizuoka 411-8540, Japan.,Department of Genetics, School of Life Science, Sokendai (Graduate University for Advanced Studies), Mishima, Shizuoka 411-8540, Japan.,Laboratory for Developmental Epigenetics, RIKEN Center for Developmental Biology, Kobe 650-0047, Japan
| | - Hideaki Takata
- Biological Macromolecules Laboratory, Structural Biology Center, National Institute of Genetics, Mishima, Shizuoka 411-8540, Japan.,Frontier Research Base for Global Young Researchers, Graduate School of Engineering Osaka University, 2-1 Yamada-oka, Suita, Osaka 565-0871, Japan
| | - Masako Uemura
- Faculty of Pharmaceutical Sciences, Suzuka University of Medical Science, Suzuka, Mie, 513-8670
| | - Yutaka Iida
- Inorganic Analysis Laboratories, Toray Research Center, Inc., 3-3-7, Sonoyama, Otsu, Shiga 520-8567, Japan
| | - Yuko Yoshikawa
- Research Organization of Science and Engineering, Ritsumeikan University, Kusatsu, Shiga 525-8577, Japan
| | - Jeffrey C Hansen
- Department of Biochemistry and Molecular Biology, Colorado State University, Fort Collins, CO 80523, USA
| | - Kazuto Yamauchi
- CREST, JST, 4-1-8 Honcho, Kawaguchi, Saitama 332-0012, Japan.,RIKEN SPring-8 Center, 1-1-1 Kouto, Sayo-cho, Sayo-gun, Hyogo 679-5148, Japan.,Department of Precision Science &Technology, Graduate School of Engineering, Osaka University, 2-1 Yamada-oka Suita, Osaka, Japan 565-0871
| | - Masato T Kanemaki
- Department of Genetics, School of Life Science, Sokendai (Graduate University for Advanced Studies), Mishima, Shizuoka 411-8540, Japan.,Center for Frontier Research, National Institute of Genetics, Yata 1111, Mishima, Shizuoka 411-8540, Japan.,PRESTO, JST, 4-1-8 Honcho, Kawaguchi, Saitama 332-0012, Japan
| | - Kazuhiro Maeshima
- Biological Macromolecules Laboratory, Structural Biology Center, National Institute of Genetics, Mishima, Shizuoka 411-8540, Japan.,Department of Genetics, School of Life Science, Sokendai (Graduate University for Advanced Studies), Mishima, Shizuoka 411-8540, Japan.,CREST, JST, 4-1-8 Honcho, Kawaguchi, Saitama 332-0012, Japan.,RIKEN SPring-8 Center, 1-1-1 Kouto, Sayo-cho, Sayo-gun, Hyogo 679-5148, Japan
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32
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Johnstone TC, Suntharalingam K, Lippard SJ. The Next Generation of Platinum Drugs: Targeted Pt(II) Agents, Nanoparticle Delivery, and Pt(IV) Prodrugs. Chem Rev 2016; 116:3436-86. [PMID: 26865551 PMCID: PMC4792284 DOI: 10.1021/acs.chemrev.5b00597] [Citation(s) in RCA: 1659] [Impact Index Per Article: 207.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
The platinum drugs, cisplatin, carboplatin, and oxaliplatin, prevail in the treatment of cancer, but new platinum agents have been very slow to enter the clinic. Recently, however, there has been a surge of activity, based on a great deal of mechanistic information, aimed at developing nonclassical platinum complexes that operate via mechanisms of action distinct from those of the approved drugs. The use of nanodelivery devices has also grown, and many different strategies have been explored to incorporate platinum warheads into nanomedicine constructs. In this Review, we discuss these efforts to create the next generation of platinum anticancer drugs. The introduction provides the reader with a brief overview of the use, development, and mechanism of action of the approved platinum drugs to provide the context in which more recent research has flourished. We then describe approaches that explore nonclassical platinum(II) complexes with trans geometry or with a monofunctional coordination mode, polynuclear platinum(II) compounds, platinum(IV) prodrugs, dual-threat agents, and photoactivatable platinum(IV) complexes. Nanoparticles designed to deliver platinum(IV) complexes will also be discussed, including carbon nanotubes, carbon nanoparticles, gold nanoparticles, quantum dots, upconversion nanoparticles, and polymeric micelles. Additional nanoformulations, including supramolecular self-assembled structures, proteins, peptides, metal-organic frameworks, and coordination polymers, will then be described. Finally, the significant clinical progress made by nanoparticle formulations of platinum(II) agents will be reviewed. We anticipate that such a synthesis of disparate research efforts will not only help to generate new drug development ideas and strategies, but also will reflect our optimism that the next generation of approved platinum cancer drugs is about to arrive.
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Affiliation(s)
- Timothy C Johnstone
- Department of Chemistry, Massachusetts Institute of Technology , Cambridge, Massachusetts 02139, United States
| | | | - Stephen J Lippard
- Department of Chemistry, Massachusetts Institute of Technology , Cambridge, Massachusetts 02139, United States
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33
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Paul LE, Therrien B, Furrer J. Did the presence of a guest in the cavity of an arene ruthenium metallaprism modify its reactivity towards biomolecules? J Organomet Chem 2015. [DOI: 10.1016/j.jorganchem.2015.02.042] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
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34
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Qu Y, Kipping RG, Farrell NP. Solution studies on DNA interactions of substitution-inert platinum complexes mediated via the phosphate clamp. Dalton Trans 2015; 44:3563-72. [PMID: 25524170 PMCID: PMC4323935 DOI: 10.1039/c4dt03237c] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The phosphate clamp is a distinct mode of ligand-DNA binding where the molecular recognition is manifested through ("non-covalent") hydrogen-bonding from am(m)ines of polynuclear platinum complexes to the phosphate oxygens on the oligonucleotide backbone. This third mode of DNA binding is unique to the "classical" DNA intercalators and minor groove binding agents and even the closely related covalently binding mononuclear and polynuclear drugs. 2D (1)H NMR studies on the Dickerson-Drew dodecamer (DDD, d(CGCGAATTCGCG)2) showed significant A-T contacts mainly on nucleotides A6, T7 and T8 implying a selective bridging from C9G10 in the 3' direction to C9G10 of the opposite strand. {(1)H, (15)N} HSQC NMR spectroscopy using the fully (15)N-labelled compound [{trans-Pt(NH2)3(H2N(CH2)6NH3}2μ-(H2N(CH2)6NH2)2(Pt(NH3)2](8+) (TriplatinNC) showed at pH 6 significant chemical shifts and (1)J((195)Pt-(15)N) coupling constants for the free drug and DDD-TriplatinNC at pH 7 indicative of formation of the phosphate clamp. (31)P NMR results are also reported for the hexamer d(CGTACG)2 showing changes in (31)P NMR chemical shifts indicative of changes around the phosphorus center. The studies confirm the DNA binding modes by substitution-inert (non-covalent) polynuclear platinum complexes and help in further establishing the chemotype as a new class of potential anti-tumour agents in their own right with a distinct profile of biological activity.
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Affiliation(s)
- Y Qu
- Department of Chemistry, Virginia Commonwealth University, 1001 W. Main St., Richmond, VA 23284-2006, USA.
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35
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Uemura M, Hoshiyama M, Furukawa A, Sato T, Higuchi Y, Komeda S. Highly efficient uptake into cisplatin-resistant cells and the isomerization upon coordinative DNA binding of anticancer tetrazolato-bridged dinuclear platinum(ii) complexes. Metallomics 2015; 7:1488-96. [DOI: 10.1039/c5mt00174a] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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36
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Pages BJ, Ang DL, Wright EP, Aldrich-Wright JR. Metal complex interactions with DNA. Dalton Trans 2015; 44:3505-26. [DOI: 10.1039/c4dt02700k] [Citation(s) in RCA: 241] [Impact Index Per Article: 26.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
Increasing numbers of DNA structures are being revealed using a diverse range of transition metal complexes and biophysical spectroscopic techniques. Here we present a review of metal complex-DNA interactions in which several binding modes and DNA structural forms are explored.
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Affiliation(s)
- Benjamin J. Pages
- Nanoscale Organisation and Dynamics Group
- School of Science and Health
- University of Western Sydney
- Locked Bag 1797 Penrith South DC
- Australia
| | - Dale L. Ang
- Nanoscale Organisation and Dynamics Group
- School of Science and Health
- University of Western Sydney
- Locked Bag 1797 Penrith South DC
- Australia
| | - Elisé P. Wright
- School of Medicine
- University of Western Sydney
- Locked Bag 1797 Penrith South DC
- Australia
| | - Janice R. Aldrich-Wright
- Nanoscale Organisation and Dynamics Group
- School of Science and Health
- University of Western Sydney
- Locked Bag 1797 Penrith South DC
- Australia
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37
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Prisecaru A, Molphy Z, Kipping RG, Peterson EJ, Qu Y, Kellett A, Farrell NP. The phosphate clamp: sequence selective nucleic acid binding profiles and conformational induction of endonuclease inhibition by cationic Triplatin complexes. Nucleic Acids Res 2014; 42:13474-87. [PMID: 25414347 PMCID: PMC4267626 DOI: 10.1093/nar/gku1157] [Citation(s) in RCA: 37] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2014] [Revised: 10/28/2014] [Accepted: 10/29/2014] [Indexed: 01/27/2023] Open
Abstract
The substitution-inert polynuclear platinum(II) complex (PPC) series, [{trans-Pt(NH3)2(NH2(CH2)nNH3)}2-μ-(trans-Pt(NH3)2(NH2(CH2)nNH2)2}](NO3)8, where n = 5 (AH78P), 6 (AH78 TriplatinNC) and 7 (AH78H), are potent non-covalent DNA binding agents where nucleic acid recognition is achieved through use of the 'phosphate clamp' where the square-planar tetra-am(m)ine Pt(II) coordination units all form bidentate N-O-N complexes through hydrogen bonding with phosphate oxygens. The modular nature of PPC-DNA interactions results in high affinity for calf thymus DNA (Kapp ∼5 × 10(7) M(-1)). The phosphate clamp-DNA interactions result in condensation of superhelical and B-DNA, displacement of intercalated ethidium bromide and facilitate cooperative binding of Hoechst 33258 at the minor groove. The effect of linker chain length on DNA conformational changes was examined and the pentane-bridged complex, AH78P, was optimal for condensing DNA with results in the nanomolar region. Analysis of binding affinity and conformational changes for sequence-specific oligonucleotides by ITC, dialysis, ICP-MS, CD and 2D-(1)H NMR experiments indicate that two limiting modes of phosphate clamp binding can be distinguished through their conformational changes and strongly suggest that DNA condensation is driven by minor-groove spanning. Triplatin-DNA binding prevents endonuclease activity by type II restriction enzymes BamHI, EcoRI and SalI, and inhibition was confirmed through the development of an on-chip microfluidic protocol.
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Affiliation(s)
- Andreea Prisecaru
- School of Chemical Sciences and National Institute for Cellular Biotechnology, Dublin City University, Glasnevin, Dublin 9, Ireland
| | - Zara Molphy
- School of Chemical Sciences and National Institute for Cellular Biotechnology, Dublin City University, Glasnevin, Dublin 9, Ireland
| | - Ralph G. Kipping
- Department of Chemistry, Virginia Commonwealth University, Richmond, VA 23284-2006, USA
| | - Erica J. Peterson
- Department of Chemistry, Virginia Commonwealth University, Richmond, VA 23284-2006, USA
| | - Yun Qu
- Department of Chemistry, Virginia Commonwealth University, Richmond, VA 23284-2006, USA
| | - Andrew Kellett
- School of Chemical Sciences and National Institute for Cellular Biotechnology, Dublin City University, Glasnevin, Dublin 9, Ireland
| | - Nicholas P. Farrell
- Department of Chemistry, Virginia Commonwealth University, Richmond, VA 23284-2006, USA
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38
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Peterson EJ, Menon VR, Gatti L, Kipping R, Dewasinghe D, Perego P, Povirk LF, Farrell NP. Nucleolar targeting by platinum: p53-independent apoptosis follows rRNA inhibition, cell-cycle arrest, and DNA compaction. Mol Pharm 2014; 12:287-97. [PMID: 25407898 PMCID: PMC4334294 DOI: 10.1021/mp5006867] [Citation(s) in RCA: 32] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023]
Abstract
![]()
TriplatinNC
is a highly positively charged, substitution-inert
derivative of the phase II clinical anticancer drug, BBR3464. Such
substitution-inert complexes form a distinct subset of polynuclear
platinum complexes (PPCs) interacting with DNA and other biomolecules
through noncovalent interactions. Rapid cellular entry is facilitated
via interaction with cell surface glycosoaminoglycans and is a mechanism
unique to PPCs. Nanoscale secondary ion mass spectrometry (nanoSIMS)
showed rapid distribution within cytoplasmic and nucleolar compartments,
but not the nucleus. In this article, the downstream effects of nucleolar
localization are described. In human colon carcinoma cells, HCT116,
the production rate of 47S rRNA precursor transcripts was dramatically
reduced as an early event after drug treatment. Transcriptional inhibition
of rRNA was followed by a robust G1 arrest, and activation
of apoptotic proteins caspase-8, -9, and -3 and PARP-1 in a p53-independent
manner. Using cell synchronization and flow cytometry, it was determined
that cells treated while in G1 arrest immediately, but
cells treated in S or G2 successfully complete mitosis.
Twenty-four hours after treatment, the majority of cells finally arrest
in G1, but nearly one-third contained highly compacted
DNA; a distinct biological feature that cannot be associated with
mitosis, senescence, or apoptosis. This unique effect mirrored the
efficient condensation of tRNA and DNA in cell-free systems. The combination
of DNA compaction and apoptosis by TriplatinNC treatment conferred
striking activity in platinum-resistant and/or p53 mutant or null
cell lines. Taken together, our results support that the biological
activity of TriplatinNC reflects reduced metabolic deactivation (substitution-inert
compound not reactive to sulfur nucleophiles), high cellular accumulation,
and novel consequences of high-affinity noncovalent DNA binding, producing
a new profile and a further shift in the structure–activity
paradigms for antitumor complexes.
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Affiliation(s)
- Erica J Peterson
- Department of Chemistry and ‡Massey Cancer Center, Virginia Commonwealth University , Richmond, Virginia 23284, United States
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40
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Malina J, Farrell NP, Brabec V. Substitution-inert trinuclear platinum complexes efficiently condense/aggregate nucleic acids and inhibit enzymatic activity. Angew Chem Int Ed Engl 2014; 53:12812-6. [PMID: 25256921 PMCID: PMC4311996 DOI: 10.1002/anie.201408012] [Citation(s) in RCA: 39] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2014] [Revised: 09/08/2014] [Indexed: 01/02/2023]
Abstract
The trinuclear platinum complexes (TriplatinNC-A [{Pt(NH3 )3 }2 -μ-{trans-Pt(NH3 )2 (NH2 (CH2 )6 NH2 )2 }](6+) , and TriplatinNC [{trans-Pt(NH3 )2 (NH2 (CH2 )6 NH3 (+) )}2 -μ-{trans-Pt(NH3 )2 (NH2 (CH2 )6 NH2 )2 }](8+) ) are biologically active agents that bind to DNA through noncovalent (hydrogen bonding, electrostatic) interactions. Herein, we show that TriplatinNC condenses DNA with a much higher potency than conventional DNA condensing agents. Both complexes induce aggregation of small transfer RNA molecules, and TriplatinNC in particular completely inhibits DNA transcription at lower concentrations than naturally occurring spermine. Topoisomerase I-mediated relaxation of supercoiled DNA was inhibited by TriplatinNC-A and TriplatinNC at concentrations which were 60 times and 250 times lower than that of spermine. The mechanisms for the biological activity of TriplatinNC-A and TriplatinNC may be associated with their ability to condense/aggregate nucleic acids with consequent inhibitory effects on crucial enzymatic activities.
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Affiliation(s)
- Jaroslav Malina
- Institute of Biophysics, Academy of Sciences of the Czech Republic, v.v.i., Kralovopolska 135, CZ-61265 Brno (Czech Republic)
| | - Nicholas P. Farrell
- Department of Chemistry, Virginia Commonwealth University, Richmond, VA 23284-2006, USA
| | - Viktor Brabec
- Institute of Biophysics, Academy of Sciences of the Czech Republic, v.v.i., Kralovopolska 135, CZ-61265 Brno (Czech Republic)
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41
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Malina J, Farrell NP, Brabec V. Substitution-Inert Trinuclear Platinum Complexes Efficiently Condense/Aggregate Nucleic Acids and Inhibit Enzymatic Activity. Angew Chem Int Ed Engl 2014. [DOI: 10.1002/ange.201408012] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023]
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42
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Novohradsky V, Zerzankova L, Stepankova J, Vrana O, Raveendran R, Gibson D, Kasparkova J, Brabec V. Antitumor platinum(IV) derivatives of oxaliplatin with axial valproato ligands. J Inorg Biochem 2014; 140:72-9. [PMID: 25063910 DOI: 10.1016/j.jinorgbio.2014.07.004] [Citation(s) in RCA: 58] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2014] [Revised: 06/01/2014] [Accepted: 07/06/2014] [Indexed: 01/24/2023]
Abstract
We report new anticancer prodrugs, platinum(IV) derivatives of oxaliplatin conjugated with valproic acid (VPA), a well-known drug having histone deacetylase inhibitory activity. Like most platinum(IV) derivatives, the cytotoxicity of the conjugates was lower in cell culture than that of oxaliplatin, but greater than those of its Pt(IV) derivative containing biologically inactive axial ligands in several cancer cell lines. Notably, these conjugates display activity in both cisplatin sensitive- and resistant tumor cells capable of both markedly enhanced accumulation in tumor cells and acting in a dual threat manner, concurrently targeting histone deacetylase and genomic DNA. These results demonstrate the dual targeting strategy to be a valuable route to pursue in the design of platinum agents which may be more effective in cancer types that are typically resistant to therapy by conventional cisplatin. Moreover, platinum(IV) derivatives containing VPA axial ligands seem to be promising dual-targeting candidates for additional preclinical studies.
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Affiliation(s)
- Vojtech Novohradsky
- Institute of Biophysics, Academy of Sciences of the Czech Republic, v.v.i., Kralovopolska 135, CZ-61265 Brno, Czech Republic; Department of Biophysics, Faculty of Science, Palacky University, 17. listopadu 12, CZ-77146 Olomouc, Czech Republic
| | - Lenka Zerzankova
- Institute of Biophysics, Academy of Sciences of the Czech Republic, v.v.i., Kralovopolska 135, CZ-61265 Brno, Czech Republic
| | - Jana Stepankova
- Institute of Biophysics, Academy of Sciences of the Czech Republic, v.v.i., Kralovopolska 135, CZ-61265 Brno, Czech Republic
| | - Oldrich Vrana
- Institute of Biophysics, Academy of Sciences of the Czech Republic, v.v.i., Kralovopolska 135, CZ-61265 Brno, Czech Republic
| | - Raji Raveendran
- Institute for Drug Research, School of Pharmacy, The Hebrew University, Jerusalem 91120, Israel
| | - Dan Gibson
- Institute for Drug Research, School of Pharmacy, The Hebrew University, Jerusalem 91120, Israel
| | - Jana Kasparkova
- Department of Biophysics, Faculty of Science, Palacky University, 17. listopadu 12, CZ-77146 Olomouc, Czech Republic
| | - Viktor Brabec
- Institute of Biophysics, Academy of Sciences of the Czech Republic, v.v.i., Kralovopolska 135, CZ-61265 Brno, Czech Republic.
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Garci A, Dobrov AA, Riedel T, Orhan E, Dyson PJ, Arion VB, Therrien B. Strategy to Optimize the Biological Activity of Arene Ruthenium Metalla-Assemblies. Organometallics 2014. [DOI: 10.1021/om5005176] [Citation(s) in RCA: 33] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Affiliation(s)
- Amine Garci
- Institut
de Chimie, Université de Neuchâtel, 51 Avenue de Bellevaux, CH-2000 Neuchâtel, Switzerland
| | - Anatoly A. Dobrov
- Institute
of Inorganic Chemistry, University of Vienna, Währinger Strasse 42, A-1090, Vienna, Austria
| | - Tina Riedel
- Institut
des Sciences et Ingénierie Chimiques, Ecole Polytechnique Fédérale de Lausanne (EPFL), CH-1015, Lausanne, Switzerland
| | - Ersin Orhan
- Institut
de Chimie, Université de Neuchâtel, 51 Avenue de Bellevaux, CH-2000 Neuchâtel, Switzerland
| | - Paul J. Dyson
- Institut
des Sciences et Ingénierie Chimiques, Ecole Polytechnique Fédérale de Lausanne (EPFL), CH-1015, Lausanne, Switzerland
| | - Vladimir B. Arion
- Institute
of Inorganic Chemistry, University of Vienna, Währinger Strasse 42, A-1090, Vienna, Austria
| | - Bruno Therrien
- Institut
de Chimie, Université de Neuchâtel, 51 Avenue de Bellevaux, CH-2000 Neuchâtel, Switzerland
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44
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Detailed mechanistic study on ligand substitution reactions in dinuclear platinum(II) complexes: effect of alkanediamine linker. TRANSIT METAL CHEM 2014. [DOI: 10.1007/s11243-014-9815-z] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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45
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Novohradsky V, Liu Z, Vojtiskova M, Sadler PJ, Brabec V, Kasparkova J. Mechanism of cellular accumulation of an iridium(III) pentamethylcyclopentadienyl anticancer complex containing a C,N-chelating ligand. Metallomics 2014; 6:682-90. [PMID: 24448555 DOI: 10.1039/c3mt00341h] [Citation(s) in RCA: 54] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The effect of replacement of the N,N-chelating ligand 1,10-phenanthroline (phen) in the Ir(III) pentamethylcyclopentadienyl (Cp*) complex [(η(5)-Cp*)(Ir)(phen)Cl](+) (2) with the C,N-chelating ligand 7,8-benzoquinoline (bq) to give [(η(5)-Cp*)(Ir)(bq)Cl] (1) on the cytotoxicity of these Cp*Ir(III) complexes toward cancer cell lines was investigated. Complex 2 is inactive, similar to other Cp*Ir(III) complexes containing the N,N-chelating ligands. In contrast, a single atom change (C(-) for N) in the chelating N,N ligand resulted in potency in human ovarian carcinoma cisplatin-sensitive A2780 cells, and, strikingly, 1 is active in the cisplatin-resistant human breast cancer MCF-7 and A2780/cisR cells. Replacement of the N,N-chelating ligand with the C,N-chelating ligand gives rise to increased hydrophobicity, leading to higher cellular accumulation, higher DNA-bound iridium in cells and higher cytotoxicity. The pathways involved in cellular accumulation of 1 have been further explored and compared with conventional cisplatin. The results show that both energy-independent passive diffusion and energy-dependent transport play a role in accumulation of 1. Further results were consistent with involvement of p-glycoprotein, multidrug resistance-associated protein 1 and glutathione metabolism in the efflux of 1. In contrast, the internalization of 1 mediated by the endocytotic uptake pathway(s) seems less likely. Understanding the factors which contribute to the mechanism of cellular accumulation of this Ir(III) complex can now lead to the design of structurally similar metal complexes for antitumor chemotherapy.
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Affiliation(s)
- Vojtech Novohradsky
- Department of Biophysics, Faculty of Science, Palacky University, 17. listopadu 12, CZ-77146 Olomouc, Czech Republic
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46
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Malina J, Farrell NP, Brabec V. DNA Condensing Effects and Sequence Selectivity of DNA Binding of Antitumor Noncovalent Polynuclear Platinum Complexes. Inorg Chem 2014; 53:1662-71. [DOI: 10.1021/ic402796k] [Citation(s) in RCA: 56] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Affiliation(s)
- Jaroslav Malina
- Institute
of Biophysics, Academy of Sciences of the Czech Republic, v.v.i.,
Kralovopolska 135, CZ-61265 Brno, Czech Republic
| | - Nicholas P. Farrell
- Department
of Chemistry, Virginia Commonwealth University, Richmond, Virginia 23284-2006, United States
| | - Viktor Brabec
- Institute
of Biophysics, Academy of Sciences of the Czech Republic, v.v.i.,
Kralovopolska 135, CZ-61265 Brno, Czech Republic
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47
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Johnpeter JP, Gupta G, Kumar JM, Srinivas G, Nagesh N, Therrien B. Biological Studies of Chalcogenolato-Bridged Dinuclear Half-Sandwich Complexes. Inorg Chem 2013; 52:13663-73. [DOI: 10.1021/ic4022307] [Citation(s) in RCA: 32] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
Affiliation(s)
- Justin P. Johnpeter
- Institut de Chimie, Université de Neuchâtel, Avenue de Bellevaux 51, CH-2000 Neuchâtel, Switzerland
| | - Gajendra Gupta
- Institut de Chimie, Université de Neuchâtel, Avenue de Bellevaux 51, CH-2000 Neuchâtel, Switzerland
| | - Jerald Mahesh Kumar
- CSIR-Centre for Cellular and Molecular Biology, Uppal Road, Habsiguda, Hyderabad 500 007, India
| | - Gunda Srinivas
- CSIR-Centre for Cellular and Molecular Biology, Uppal Road, Habsiguda, Hyderabad 500 007, India
| | - Narayana Nagesh
- CSIR-Centre for Cellular and Molecular Biology, Uppal Road, Habsiguda, Hyderabad 500 007, India
| | - Bruno Therrien
- Institut de Chimie, Université de Neuchâtel, Avenue de Bellevaux 51, CH-2000 Neuchâtel, Switzerland
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48
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Yue H, Yang B, Wang Y, Chen G. Investigations of the binding of [Pt2(DTBPA)Cl2](II) and [Pt2(TPXA)Cl2](II) to DNA via various cross-linking modes. Int J Mol Sci 2013; 14:19556-86. [PMID: 24077126 PMCID: PMC3821573 DOI: 10.3390/ijms141019556] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/11/2013] [Revised: 08/14/2013] [Accepted: 09/10/2013] [Indexed: 12/14/2022] Open
Abstract
We have constructed models for a series of platinum-DNA adducts that represent the binding of two agents, [Pt2(DTBPA)Cl2](II) and [Pt2(TPXA)Cl2](II), to DNA via inter- and intra-strand cross-linking, and carried out molecular dynamics simulations and DNA conformational dynamics calculations. The effects of trans- and cis-configurations of the centers of these di-nuclear platinum agents, and of different bridging linkers, have been investigated on the conformational distortions of platinum-DNA adducts formed via inter- and intra-strand cross-links. The results demonstrate that the DNA conformational distortions for the various platinum-DNA adducts with differing cross-linking modes are greatly influenced by the difference between the platinum-platinum distance for the platinum agent and the platinum-bound N7–N7 distance for the DNA molecule, and by the flexibility of the bridging linkers in the platinum agent. However, the effects of trans/cis-configurations of the platinum-centers on the DNA conformational distortions in the platinum-DNA adducts depend on the inter- and intra-strand cross-linking modes. In addition, we discuss the relevance of DNA base motions, including opening, shift and roll, to the changes in the parameters of the DNA major and minor grooves caused by binding of the platinum agent.
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Affiliation(s)
| | | | - Yan Wang
- Authors to whom correspondence should be addressed; E-Mails: (Y.W.); (G.C.); Tel.: +86-10-5880-5247 (Y.W.); +86-10-5880-5424 (G.C.); Fax: +86-10-5880-2075 (Y.W. & G.C.)
| | - Guangju Chen
- Authors to whom correspondence should be addressed; E-Mails: (Y.W.); (G.C.); Tel.: +86-10-5880-5247 (Y.W.); +86-10-5880-5424 (G.C.); Fax: +86-10-5880-2075 (Y.W. & G.C.)
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McGinely NL, Plumb JA, Wheate NJ. DNA-based aptamer fails as a simultaneous cancer targeting agent and drug delivery vehicle for a phenanthroline-based platinum(II) complex. J Inorg Biochem 2013; 128:124-30. [PMID: 23954482 DOI: 10.1016/j.jinorgbio.2013.07.021] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2013] [Revised: 07/12/2013] [Accepted: 07/13/2013] [Indexed: 10/26/2022]
Abstract
The sgc8c aptamer is a 41-base DNA oligonucleotide that binds to leukaemia cells with high affinity and specificity. In this work we examined the utility of this aptamer as both a delivery vehicle and an active targeting agent for an inert platinum complex [(1,10-phenathroline)(ethylenediamine)platinum(II)](2+). The aptamer forms a stem-and-loop confirmation as determined by circular dichroism. This conformation is adopted in both water and phosphate buffered saline solutions. The metal complex binds through intercalation into the aptamer's double helical stem with a binding constant of approximately 4.3 × 10(4) M(-1). Binding of the metal complex to the aptamer had a significant effect on the aptamer's global conformation, and increased its melting temperature by 28°C possibly through lengthening and stiffening of the aptamer stem. The effect of the aptamer on the metal complex's cytotoxicity and cellular uptake was determined using in vitro assays with the target leukaemia cell line CCRF-CEM and the off-target ovarian cancer cell lines A2780 and A2780cp70. The aptamer has little inherent cytotoxicity and when used to deliver the metal complex results in a significant decrease in the metal complex's cytotoxicity and uptake. The reason(s) for the poor uptake and activity may be due to the change in aptamer conformation which affects its ability to recognise leukaemia cells.
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Affiliation(s)
- Nicola L McGinely
- Strathclyde Institute of Pharmacy and Biomedical Sciences, University of Strathclyde, 161 Cathedral Street, Glasgow G4 0RE, United Kingdom
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