1
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Mallick Ganguly O, Moulik S. Interactions of Mn complexes with DNA: the relevance of therapeutic applications towards cancer treatment. Dalton Trans 2023; 52:10639-10656. [PMID: 37475585 DOI: 10.1039/d3dt00659j] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/22/2023]
Abstract
Manganese (Mn) is one of the most significant bio-metals that helps the body to form connective tissue, bones, blood clotting factors, and sex hormones. It is necessary for fat and carbohydrate metabolism, calcium absorption, blood sugar regulation, and normal brain and nerve functions. It accelerates the synthesis of proteins, vitamin C, and vitamin B. It is also involved in the catalysis of hematopoiesis, regulation of the endocrine level, and improvement of immune function. Again, Mn metalloenzymes like arginase, glutamine synthetase, phosphoenolpyruvate decarboxylase, and Mn superoxide dismutase (MnSOD) contribute to the metabolism processes and reduce oxidative stress against free radicals. Recent investigations have revealed that synthetic Mn-complexes act as antibacterial and antifungal agents. As a result, chemists and biologists have been actively involved in developing Mn-based drugs for the treatment of various diseases including cancer. Therefore, any therapeutic drugs based on manganese complexes would be invaluable for the treatment of cancer/infectious diseases and could be a better substitute for cisplatin and other related platinum based chemotherapeutic drugs. From this perspective, attempts have been made to discuss the interactions and nuclease activities of Mn(II/III/IV) complexes with DNA through which one can evaluate their therapeutic applications.
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Affiliation(s)
- Oishi Mallick Ganguly
- St Xavier's College, 30, Park St, Mullick Bazar, Park Street area, Kolkata, West Bengal 700016, India
| | - Shuvojit Moulik
- Suraksha Diagnostics Pvt Ltd, Newtown 12/1, Premises No. 02-0327, DG Block(Newtown), Action Area 1D, Newtown, Kolkata, West Bengal 700156, India.
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2
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Alasbahy WM, Shamsi M. In vitro DNA binding, pBR322 cleavage and molecular docking studies of 1,2-diaminobenzene, dichloro glycyl glycinate tin(IV) and zirconium(IV) complexes. J Biomol Struct Dyn 2022; 40:11484-11494. [PMID: 34351843 DOI: 10.1080/07391102.2021.1959402] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
De novo design and synthesis of complexes 1,2-diaminobenzene, dichloro glycyl glycinate tin(IV) and zirconium(IV), 1 and 2 as molecular drug entities were carried out. The structure elucidation of 1 and 2 was done by analytical techniques and spectroscopic methods viz. IR, UV-vis, 1H, 13C, 119Sn NMR, ESI-Mass and XRD techniques. In vitro DNA binding studies of 1 and 2 by various biophysical techniques viz electronic absorption, emission spectroscopy and circular dichroism measurements were carried out to evaluate their potential to act as chemotherapeutic candidates; furthermore, cleavage studies with pBR322plasmid DNA and computer-aided molecular docking studies were also done to study the mechanistic pathway and mode of binding at the molecular level. The observed results revealed that complex 1 exhibited greater DNA binding propensity in contrast to complex 2 primarily via electrostatic binding mode. The pBR322 DNA cleavage studies of both the complexes revealed the hydrolytic cleavage mechanism and DNA minor groove binding, which was ascertained by molecular docking studies of the drug candidate. Communicated by Ramaswamy H. Sarma.
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Affiliation(s)
| | - Manal Shamsi
- Department of Pharmacy, Taiz University, Taiz, Yemen
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3
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Pooyan M, Shariatinia Z, Mohammadpanah F, Gholivand K, Junk PC, Guo Z, Satari M, Noroozi charandabi V. Spectral studies, crystal structures, DNA binding, and anticancer potentials of Pd(II) complexes with iminophosphine ligands: Experimental and computational methods. Inorganica Chim Acta 2022. [DOI: 10.1016/j.ica.2022.121368] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
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4
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Gaikwad M, Konkimalla VB, Salunke-Gawali S. Metal complexes as topoisomerase inhibitors. Inorganica Chim Acta 2022. [DOI: 10.1016/j.ica.2022.121089] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
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5
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Phunpee S, Chirachanchai S, Ruktanonchai UR. Brush-Structured Chitosan/PolyHEMA with Thymine and Its Synergistic Effect on the Specific Interaction with ssDNA and Cellular Uptake. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2022; 38:5915-5923. [PMID: 35439019 DOI: 10.1021/acs.langmuir.2c00559] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
Cationic polymers are known to attach on an anionic cell surface and favor gene transportation/transfection into the cells. However, when the positive charges accumulate, they tend to cause cell damage and delivery failure. Chitosan (CS) is a potential cationic bio-derived polymer whose chemical structures can be modified to fine-tune the charges as well as the add-on functions. The present work demonstrates (i) the decoration of a nucleic acid sequence-like brush structure on CS to allow the specific interaction with DNA and (ii) delivery into the cell. By simply applying mercaptoacetic acid as the chain transfer agent, the grafting of poly(hydroxyethyl methacrylate) (PHEMA) containing Thy (P(HEMA-Thy)) on CS is possible. The brush-like P(HEMA-Thy) leads Thy moieties to be in sequences. The Thy sequences perform as poly[T] for the specific interaction with ssDNA. The synergistic effect of CS and Thy sequences, i.e., electrostatic and base pairing interactions, results in an effective and efficient binding with ssDNA as well as significant delivery, especially in cellular uptake and cell viability. The use of CS in combination with Thy sequences in brush-like structures on CS is a model for other polysaccharides to be conjugated with the as-designed nucleic acid sequences for potential gene delivery.
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Affiliation(s)
- Sarunya Phunpee
- Bioresources to Advanced Materials (B2A), The Petroleum and Petrochemical College, Chulalongkorn University, Bangkok 10330, Thailand
| | - Suwabun Chirachanchai
- Bioresources to Advanced Materials (B2A), The Petroleum and Petrochemical College, Chulalongkorn University, Bangkok 10330, Thailand
| | - Uracha R Ruktanonchai
- National Nanotechnology Center (NANOTEC), National Science and Technology Development Agency (NSTDA), Pathumthani 12120, Thailand
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6
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DNA, a target of mixed chelate copper(II) compounds (Casiopeinas®) studied by electrophoresis, UV–vis and circular dichroism techniques. J Inorg Biochem 2022; 231:111772. [DOI: 10.1016/j.jinorgbio.2022.111772] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2021] [Revised: 02/15/2022] [Accepted: 02/19/2022] [Indexed: 11/22/2022]
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7
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Copper(II) and silver(I)-1,10-phenanthroline-5,6-dione complexes interact with double-stranded DNA: further evidence of their apparent multi-modal activity towards Pseudomonas aeruginosa. J Biol Inorg Chem 2022; 27:201-213. [PMID: 35006347 PMCID: PMC8840922 DOI: 10.1007/s00775-021-01922-3] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2021] [Accepted: 12/13/2021] [Indexed: 01/04/2023]
Abstract
Tackling microbial resistance requires continuous efforts for the development of new molecules with novel mechanisms of action and potent antimicrobial activity. Our group has previously identified metal-based compounds, [Ag(1,10-phenanthroline-5,6-dione)2]ClO4 (Ag-phendione) and [Cu(1,10-phenanthroline-5,6-dione)3](ClO4)2.4H2O (Cu-phendione), with efficient antimicrobial action against multidrug-resistant species. Herein, we investigated the ability of Ag-phendione and Cu-phendione to bind with double-stranded DNA using a combination of in silico and in vitro approaches. Molecular docking revealed that both phendione derivatives can interact with the DNA by hydrogen bonding, hydrophobic and electrostatic interactions. Cu-phendione exhibited the highest binding affinity to either major (− 7.9 kcal/mol) or minor (− 7.2 kcal/mol) DNA grooves. In vitro competitive quenching assays involving duplex DNA with Hoechst 33258 or ethidium bromide demonstrated that Ag-phendione and Cu-phendione preferentially bind DNA in the minor grooves. The competitive ethidium bromide displacement technique revealed Cu-phendione has a higher binding affinity to DNA (Kapp = 2.55 × 106 M−1) than Ag-phendione (Kapp = 2.79 × 105 M−1) and phendione (Kapp = 1.33 × 105 M−1). Cu-phendione induced topoisomerase I-mediated DNA relaxation of supercoiled plasmid DNA. Moreover, Cu-phendione was able to induce oxidative DNA injuries with the addition of free radical scavengers inhibiting DNA damage. Ag-phendione and Cu-phendione avidly displaced propidium iodide bound to DNA in permeabilized Pseudomonas aeruginosa cells in a dose-dependent manner as judged by flow cytometry. The treatment of P. aeruginosa with bactericidal concentrations of Cu-phendione (15 µM) induced DNA fragmentation as visualized by either agarose gel or TUNEL assays. Altogether, these results highlight a possible novel DNA-targeted mechanism by which phendione-containing complexes, in part, elicit toxicity toward the multidrug-resistant pathogen P. aeruginosa.
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8
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Chebout O, Bouchene R, Bouacida S, Boudraa M, Mazouz W, Merzougui M, Ouari K, Boudaren C, Merazig H. Two copper(II) coordination complexes based on sulfanilamide ligand: Synthesis, structure, thermal analyzes, electrochemical properties and biological activities. J Mol Struct 2022. [DOI: 10.1016/j.molstruc.2021.131346] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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9
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Chebout O, Trifa C, Bouacida S, Boudraa M, Imane H, Merzougui M, Mazouz W, Ouari K, Boudaren C, Merazig H. Two new copper (II) complexes with sulfanilamide as ligand: Synthesis, structural, thermal analysis, electrochemical studies and antibacterial activity. J Mol Struct 2022. [DOI: 10.1016/j.molstruc.2021.131446] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
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10
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Alalawy MD, Socha BN, Chavda BR, Padariya TJ, Patel BD, Patel UH, Patel R, Bhatt BS. Role of secondary ligand on Cd complex of sulfamethizole: synthesis, spectroscopic characterization, Hirshfeld surface analysis and DNA interaction. J Mol Struct 2022. [DOI: 10.1016/j.molstruc.2021.131411] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
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11
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Baruah P, Phanrang PT, Konthoujam I, Aguan K, Mitra S. Cholinergic drugs bind at the minor groove and reverse induced oxidative stress of calf thymus DNA: a new perspective towards an unexplored therapeutic efficacy. NEW J CHEM 2021. [DOI: 10.1039/d1nj01911b] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Four FDA approved cholinesterase inhibitors reverse the hydrogen peroxide induced oxidative damage of ct-DNA.
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Affiliation(s)
- Prayasee Baruah
- Centre for Advanced Studies
- Department of Chemistry
- North-Eastern Hill University
- Shillong 793 022
- India
| | | | - Ibemhanbi Konthoujam
- Department of Biotechnology & Bioinformatics
- North-Eastern Hill University
- Shillong 793 022
- India
| | - Kripamoy Aguan
- Department of Biotechnology & Bioinformatics
- North-Eastern Hill University
- Shillong 793 022
- India
| | - Sivaprasad Mitra
- Centre for Advanced Studies
- Department of Chemistry
- North-Eastern Hill University
- Shillong 793 022
- India
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12
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Singh N, Singh R, Sharma S, Kesharwani K, Joshi KB, Verma S. Transition-metal ion-mediated morphological transformation of pyridine-based peptide nanostructures. NEW J CHEM 2021. [DOI: 10.1039/d0nj04260a] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Abstract
Pyridine-mediated constitutionally isomeric artificial metallopeptides possess remarkable advantages over the natural counterparts mainly due to their tailor-made chemical structure.
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Affiliation(s)
- Narendra Singh
- Department of chemistry
- Indian Institute of Technology
- Kanpur-208016
- India
| | - Ramesh Singh
- Department of Chemistry
- School of Chemical Science and Technology
- Dr HarisinghGour Central University
- Sagar
- India
| | - Swati Sharma
- Department of chemistry
- Indian Institute of Technology
- Kanpur-208016
- India
| | - Khushboo Kesharwani
- Department of Chemistry
- School of Chemical Science and Technology
- Dr HarisinghGour Central University
- Sagar
- India
| | - Khashti Ballabh Joshi
- Department of Chemistry
- School of Chemical Science and Technology
- Dr HarisinghGour Central University
- Sagar
- India
| | - Sandeep Verma
- Department of chemistry
- Indian Institute of Technology
- Kanpur-208016
- India
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13
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The copper(II) complexes of new anthrahydrazone ligands: In vitro and in vivo antitumor activity and structure-activity relationship. J Inorg Biochem 2020; 212:111208. [DOI: 10.1016/j.jinorgbio.2020.111208] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2020] [Revised: 07/27/2020] [Accepted: 07/28/2020] [Indexed: 12/23/2022]
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14
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Molinaro C, Martoriati A, Pelinski L, Cailliau K. Copper Complexes as Anticancer Agents Targeting Topoisomerases I and II. Cancers (Basel) 2020; 12:E2863. [PMID: 33027952 PMCID: PMC7601307 DOI: 10.3390/cancers12102863] [Citation(s) in RCA: 75] [Impact Index Per Article: 18.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/03/2020] [Revised: 09/24/2020] [Accepted: 09/29/2020] [Indexed: 12/12/2022] Open
Abstract
Organometallics, such as copper compounds, are cancer chemotherapeutics used alone or in combination with other drugs. One small group of copper complexes exerts an effective inhibitory action on topoisomerases, which participate in the regulation of DNA topology. Copper complexes inhibitors of topoisomerases 1 and 2 work by different molecular mechanisms, analyzed herein. They allow genesis of DNA breaks after the formation of a ternary complex, or act in a catalytic mode, often display DNA intercalative properties and ROS production, and sometimes display dual effects. These amplified actions have repercussions on the cell cycle checkpoints and death effectors. Copper complexes of topoisomerase inhibitors are analyzed in a broader synthetic view and in the context of cancer cell mutations. Finally, new emerging treatment aspects are depicted to encourage the expansion of this family of highly active anticancer drugs and to expend their use in clinical trials and future cancer therapy.
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Affiliation(s)
- Caroline Molinaro
- Univ. Lille, CNRS, UMR 8576-UGSF-Unité de Glycobiologie Structurale et Fonctionnelle, F-59000 Lille, France; (C.M.); (A.M.)
| | - Alain Martoriati
- Univ. Lille, CNRS, UMR 8576-UGSF-Unité de Glycobiologie Structurale et Fonctionnelle, F-59000 Lille, France; (C.M.); (A.M.)
| | - Lydie Pelinski
- Univ. Lille, CNRS, Centrale Lille, Univ. Artois, UMR 8181-UCCS-Unité de Catalyse et Chimie du Solide, F-59000 Lille, France;
| | - Katia Cailliau
- Univ. Lille, CNRS, UMR 8576-UGSF-Unité de Glycobiologie Structurale et Fonctionnelle, F-59000 Lille, France; (C.M.); (A.M.)
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15
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Bao RD, Song XQ, Kong YJ, Li FF, Liao WH, Zhou J, Zhang JH, Zhao QH, Xu JY, Chen CS, Xie MJ. A new Schiff base copper(II) complex induces cancer cell growth inhibition and apoptosis by multiple mechanisms. J Inorg Biochem 2020; 208:111103. [PMID: 32505045 DOI: 10.1016/j.jinorgbio.2020.111103] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/20/2020] [Revised: 05/07/2020] [Accepted: 05/08/2020] [Indexed: 11/26/2022]
Abstract
A new Schiff base copper(II) complex [N,N'-bis(2'-hydroxyphenylacetone)-o-ethanediamine] copper (II) (M1) has been synthesized and characterized by single X-ray crystallography. The cytotoxicity of complex M1 was evaluated against HeLa, LoVo, A549, A549/cis cancer cell lines, and the normal cell lines LO2 and HUVEC, by MTT (3-(4,5-dimethylthiazoyl-2-yl)2,5-diphenyltetrazoliumbromide) assays. The IC50 (50% inhibition concentrations) is in the range of 5.13-11.68 μM, which is somewhat lower than cisplatin on the basis of platinum molar concentration. Furthermore, anticancer mechanistic studies showed that the complex M1 inhibited cell proliferation by blocking DNA synthesis and then acted on nuclear division of HeLa cells over time. Moreover, M1 increased intracellular ROS (Reactive oxygen species) levels in a dose-dependent manner. Western blot analysis indicated M1 dramatically decrease c-Myc transcription factor and KLF5 (Krüppel-like factor 5) protein expression levels in HeLa. M1 did not inhibit proteasomal activity. Finally, M1 induced DNA damages and activated the DNA damage repair pathways.
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Affiliation(s)
- Rui-Dan Bao
- School of Chemical Science and Technology, Yunnan University, Kunming 650091, Yunnan, China
| | - Xue-Qing Song
- Department of Chemical Biology and Tianjin Key Laboratory on Technologies Enabling Development of Clinical Therapeutics and Diagnostics (Theranostics), School of Pharmacy, Tianjin Medical University, Tianjin 300070, China
| | - Yan-Jie Kong
- Biobank, Shenzhen Second People's Hospital, First Affiliated Hospital of Shenzhen University, Health Science Center, 518035 Shenzhen, China
| | - Fang-Fang Li
- School of Chemical Science and Technology, Yunnan University, Kunming 650091, Yunnan, China
| | - Wen-Hui Liao
- School of Chemical Science and Technology, Yunnan University, Kunming 650091, Yunnan, China
| | - Jie Zhou
- School of Chemical Science and Technology, Yunnan University, Kunming 650091, Yunnan, China
| | - Ji-Hong Zhang
- Laboratory of Molecular Genetics of Aging and Tumor, Medical School, Kunming University of Science and Technology, Kunming 650500, China
| | - Qi-Hua Zhao
- School of Chemical Science and Technology, Yunnan University, Kunming 650091, Yunnan, China
| | - Jing-Yuan Xu
- Department of Chemical Biology and Tianjin Key Laboratory on Technologies Enabling Development of Clinical Therapeutics and Diagnostics (Theranostics), School of Pharmacy, Tianjin Medical University, Tianjin 300070, China.
| | - Ce-Shi Chen
- Key Laboratory of Animal Models and Human Disease Mechanisms of the Chinese Academy of Sciences and Yunnan Province, Kunming Institute of Zoology, Chinese Academy of Sciences, Kunming 650223, China.
| | - Ming-Jin Xie
- School of Chemical Science and Technology, Yunnan University, Kunming 650091, Yunnan, China.
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16
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Slator C, Molphy Z, McKee V, Long C, Brown T, Kellett A. Di-copper metallodrugs promote NCI-60 chemotherapy via singlet oxygen and superoxide production with tandem TA/TA and AT/AT oligonucleotide discrimination. Nucleic Acids Res 2019; 46:2733-2750. [PMID: 29474633 PMCID: PMC5888725 DOI: 10.1093/nar/gky105] [Citation(s) in RCA: 35] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/07/2017] [Accepted: 02/08/2018] [Indexed: 12/29/2022] Open
Abstract
In order to expand the current repertoire of cancer treatments and to help circumvent limitations associated with resistance, the identification of new metallodrugs with high potency and novel mechanisms of action is of significant importance. Here we present a class of di-copper(II) complex based on the synthetic chemical nuclease [Cu(Phen)2]+ (where Phen = 1,10-phenanthroline) that is selective against solid epithelial cancer cells from the National Cancer Institute's 60 human cell line panel (NCI-60). Two metallodrug leads are studied and in each case two [Cu(Phen)2]+ units are bridged by a dicarboxylate linker but the length and rigidity of the linkers differ distinctly. Both agents catalyze intracellular superoxide (O2•-) and singlet oxygen (1O2) formation with radical species mediating oxidative damage within nuclear DNA in the form of double strand breaks and to the mitochondria in terms of membrane depolarization. The complexes are effective DNA binders and can discriminate AT/AT from TA/TA steps of duplex DNA through induction of distinctive Z-like DNA or by intercalative interactions.
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Affiliation(s)
- Creina Slator
- 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
| | - Vickie McKee
- School of Chemical Sciences and National Institute for Cellular Biotechnology, Dublin City University, Glasnevin, Dublin 9, Ireland
| | - Conor Long
- School of Chemical Sciences and National Institute for Cellular Biotechnology, Dublin City University, Glasnevin, Dublin 9, Ireland
| | - Tom Brown
- Department of Chemistry, Chemistry Research Laboratory, University of Oxford, Oxford OX1 3TA, UK
| | - Andrew Kellett
- School of Chemical Sciences and National Institute for Cellular Biotechnology, Dublin City University, Glasnevin, Dublin 9, Ireland
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17
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Liang X, Wu Q, Luan S, Yin Z, He C, Yin L, Zou Y, Yuan Z, Li L, Song X, He M, Lv C, Zhang W. A comprehensive review of topoisomerase inhibitors as anticancer agents in the past decade. Eur J Med Chem 2019; 171:129-168. [PMID: 30917303 DOI: 10.1016/j.ejmech.2019.03.034] [Citation(s) in RCA: 129] [Impact Index Per Article: 25.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2019] [Revised: 03/14/2019] [Accepted: 03/14/2019] [Indexed: 01/28/2023]
Abstract
The topoisomerase enzymes play an important role in DNA metabolism, and searching for enzyme inhibitors is an important target in the search for new anticancer drugs. Discovery of new anticancer chemotherapeutical capable of inhibiting topoisomerase enzymes is highlighted in anticancer research. Therefore, biologists, organic chemists and medicinal chemists all around the world have been identifying, designing, synthesizing and evaluating a variety of novel bioactive molecules targeting topoisomerase. This review summarizes types of topoisomerase inhibitors in the past decade, and divides them into nine classes by structural characteristics, including N-heterocycles compounds, quinone derivatives, flavonoids derivatives, coumarin derivatives, lignan derivatives, polyphenol derivatives, diterpenes derivatives, fatty acids derivatives, and metal complexes. Then we discussed the application prospect and development of these anticancer compounds, as well as concluded parts of their structural-activity relationships. We believe this review would be invaluable in helping to further search potential topoisomerase inhibition as antitumor agent in clinical usage.
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Affiliation(s)
- Xiaoxia Liang
- Natural Medicine Research Center, College of Veterinary Medicine, Sichuan Agricultural University, Chengdu 611130, PR China.
| | - Qiang Wu
- Natural Medicine Research Center, College of Veterinary Medicine, Sichuan Agricultural University, Chengdu 611130, PR China
| | - Shangxian Luan
- Natural Medicine Research Center, College of Veterinary Medicine, Sichuan Agricultural University, Chengdu 611130, PR China
| | - Zhongqiong Yin
- Natural Medicine Research Center, College of Veterinary Medicine, Sichuan Agricultural University, Chengdu 611130, PR China
| | - Changliang He
- Natural Medicine Research Center, College of Veterinary Medicine, Sichuan Agricultural University, Chengdu 611130, PR China
| | - Lizi Yin
- Natural Medicine Research Center, College of Veterinary Medicine, Sichuan Agricultural University, Chengdu 611130, PR China
| | - Yuanfeng Zou
- Natural Medicine Research Center, College of Veterinary Medicine, Sichuan Agricultural University, Chengdu 611130, PR China
| | - Zhixiang Yuan
- Natural Medicine Research Center, College of Veterinary Medicine, Sichuan Agricultural University, Chengdu 611130, PR China
| | - Lixia Li
- Natural Medicine Research Center, College of Veterinary Medicine, Sichuan Agricultural University, Chengdu 611130, PR China
| | - Xu Song
- Natural Medicine Research Center, College of Veterinary Medicine, Sichuan Agricultural University, Chengdu 611130, PR China
| | - Min He
- Natural Medicine Research Center, College of Veterinary Medicine, Sichuan Agricultural University, Chengdu 611130, PR China
| | - Cheng Lv
- Natural Medicine Research Center, College of Veterinary Medicine, Sichuan Agricultural University, Chengdu 611130, PR China
| | - Wei Zhang
- Natural Medicine Research Center, College of Veterinary Medicine, Sichuan Agricultural University, Chengdu 611130, PR China
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18
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Gaur R, Usman M. A combined experimental and theoretical investigation of ruthenium(II)-hydrazone complex with DNA: Spectroscopic, nuclease activity, topoisomerase inhibition and molecular docking. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2019; 209:100-108. [PMID: 30384015 DOI: 10.1016/j.saa.2018.10.035] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/14/2018] [Revised: 10/18/2018] [Accepted: 10/21/2018] [Indexed: 06/08/2023]
Abstract
A new Dichlorotetra(4-hydroxy-N'-(pyridin-4-ylmethylene)benzohydrazone)Ru(II) complex 1 has been synthesized and characterized using spectroscopic techniques. The structure of complex 1 has been optimized through ORCA computational programme package using B3LYP functionals. The complex binds efficiently with calf thymus DNA (CT-DNA) as monitored by UV-visible titrations (Kb = 4.8 × 105), ethidium bromide displacement studies (Ksv = 1.39) as well as Circular Dichroism (CD) titrations. The complex intercalates with DNA base pairs. It shows cleavage of supercoiled (SC) DNA into nicked circular (NC) DNA efficiently via oxidative pathway. Complex 1 also inhibits Topoisomerase I (Topo I) relaxation activity at concentration < 20 μM. The molecular docking studies support that Topo I inhibition occur via blocking religation of G11 hydroxyl group.
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Affiliation(s)
- Ruchi Gaur
- Department of Chemistry, IIT, Kanpur 208016, India.
| | - Mohammad Usman
- Department of Chemistry, Aligarh Muslim University, Aligarh 202002, India
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19
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Das M, Afsan Z, Basak D, Arjmand F, Ray D. Thioether sulfur-bound [Cu2] complexes showing catechol oxidase activity and DNA cleaving behaviour. Dalton Trans 2019; 48:1292-1313. [DOI: 10.1039/c8dt04183k] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
Ligand backbone alteration leads to different mechanisms for catecholase activity and order of interaction with DNA molecules.
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Affiliation(s)
- Manisha Das
- Department of Chemistry
- Indian Institute of Technology
- Kharagpur 721 302
- India
| | - Zeenat Afsan
- Department of Chemistry
- Aligarh Muslim University
- Aligarh 202002
- India
| | - Dipmalya Basak
- Department of Chemistry
- Indian Institute of Technology
- Kharagpur 721 302
- India
| | - Farukh Arjmand
- Department of Chemistry
- Aligarh Muslim University
- Aligarh 202002
- India
| | - Debashis Ray
- Department of Chemistry
- Indian Institute of Technology
- Kharagpur 721 302
- India
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20
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Pradhan A, Haldar S, Mallik KB, Ghosh M, Bera M, Sepay N, Schollmeyer D, Ghatak SK, Roy S, Saha S. Mixed phenoxo and azido bridged dinuclear nickel(II) and copper(II) compounds with N,N,O-donor schiff bases: Synthesis, structure, DNA binding, DFT and molecular docking study. Inorganica Chim Acta 2019. [DOI: 10.1016/j.ica.2018.09.026] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
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21
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Deb P, Ghose M, Sepay N, Maiti S, Mukherjea KK. Synthesis, characterization, theoretical simulation, and DNA-nuclease activity of a newly synthesized Mn–oximato complex. J COORD CHEM 2018. [DOI: 10.1080/00958972.2018.1508662] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
Affiliation(s)
- Priyangana Deb
- aDepartment of Chemistry, Jadavpur University, Kolkata, India
| | - Madhulika Ghose
- aDepartment of Chemistry, Jadavpur University, Kolkata, India
| | - Nayim Sepay
- aDepartment of Chemistry, Jadavpur University, Kolkata, India
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22
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Wang KH, Gao EJ. Synthesis, crystal structure, DNA binding, molecular docking, cytotoxic activities and apoptosis of two copper (II) complexes constructed by 1,10-phen and semirigid bridge ligands. Inorganica Chim Acta 2018. [DOI: 10.1016/j.ica.2018.06.025] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
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23
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Patra D, Paul S, Majumder I, Sepay N, Bera S, Kundu R, Drew MGB, Ghosh T. Exploring the effect of substituent in the hydrazone ligand of a family of μ-oxidodivanadium(v) hydrazone complexes on structure, DNA binding and anticancer activity. Dalton Trans 2018; 46:16276-16293. [PMID: 29138774 DOI: 10.1039/c7dt03585c] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Abstract
The reaction of 2-hydroxybenzoylhydrazine (H2bh) separately with equimolar amounts of [VIVO(aa)2] and [VIVO(ba)2] in CHCl3 afforded the complexes [VO3(HL1)2] (1) and [VO3(HL2)2] (2) respectively in good to excellent yield ((HL1)2- and (HL2)2- represent respectively the dianionic form of 2-hydroxybenzoylhydrazones of acetylacetone (H3L1) and benzoylacetone (H3L2) (general abbreviation H3L)). From X-ray structure analysis, the VV-O-VV angle was found to be ∼115° and 180° in 1 and 2 respectively. Upon one-electron reduction selectively at one V centre at an appropriate potential, each of 1 and 2 generated mixed-valence [(HL)VVO-(μ-O)-OVIV(HL)]- species 1A and 2A respectively, which showed valence delocalization at room temperature and localization at 77 K, and the VIV-O-VV bond angles were calculated to be 177.5° and 180° respectively. The intercalative mode of binding of the two complexes 1 and 2 with CT DNA has been suggested by UV-visible spectroscopy (Kb = 7.31 × 105 M-1 and 8.71 × 105 M-1 respectively for 1 and 2), fluorescence spectroscopy (Ksv = 6.85 × 105 M-1 and 8.53 × 105 M-1 respectively for 1 and 2) and circular dichroism spectroscopy. Such intercalative mode of binding of these two complexes with CT DNA and HPV DNA has also been confirmed by molecular docking study. Both complexes 1 and 2 exhibited promising anti-cancer activity against SiHa cervical cancer cells with IC50 values of 28 ± 0.5 μM and 25 ± 0.5 μM respectively for 24 h which is significantly better than that of widely used cisplatin (with IC50 value of 63.5 μM). Nuclear staining experiments reveal that these complexes kill the SiHa cells through apoptotic mode. It is interesting to note that these two complexes are non-toxic to normal T293 cell line. Complex 2 showed higher DNA binding ability with CT DNA and HPV DNA as well as better anti-cancer properties towards SiHa cervical cancer cells in comparison to complex 1, a fact which can be explained by considering the lower energy of LUMO (which favours electron transition from DNA to the metal complex) and also the higher surface area of complex 2 in comparison to complex 1 due to the presence of one extra electron-withdrawing phenyl group in the former.
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Affiliation(s)
- Debashis Patra
- Post Graduate Department of Chemistry, Ramakrishna Mission Vivekananda Centenary College, Rahara, Kolkata-700118, India.
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24
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Huang HL, Tang B, Yi QY, Wan D, Yang LL, Liu YJ. Synthesis, DNA-binding, molecular docking and cytotoxic activity in vitro evaluation of ruthenium(II) complexes. TRANSIT METAL CHEM 2018. [DOI: 10.1007/s11243-018-0264-y] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
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25
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26
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Das P, Pan I, Cohen E, Reches M. Self-assembly of a metallo-peptide into a drug delivery system using a “switch on” displacement strategy. J Mater Chem B 2018; 6:8228-8237. [DOI: 10.1039/c8tb01483c] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/27/2023]
Abstract
Two newly designed tripeptides and their corresponding Cu2+ conjugates self-assemble into nanometric structures of different morphologies. These self-assembled metallo-peptide networks can serve as a drug delivery platform using a fluorescent-based "Turn-On" displacement strategy.
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Affiliation(s)
- Priyadip Das
- Institute of Chemistry and The Center for Nanoscience and Nanotechnology
- The Hebrew University of Jerusalem
- Jerusalem
- Israel
- SRM Research Institute
| | - Ieshita Pan
- Biochemistry and Molecular Biology
- Institute for Medical Research Israel-Canada
- The Hebrew University of Jerusalem
- Jerusalem
- Israel
| | - Ehud Cohen
- Biochemistry and Molecular Biology
- Institute for Medical Research Israel-Canada
- The Hebrew University of Jerusalem
- Jerusalem
- Israel
| | - Meital Reches
- Institute of Chemistry and The Center for Nanoscience and Nanotechnology
- The Hebrew University of Jerusalem
- Jerusalem
- Israel
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27
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Moghadam NH, Salehzadeh S, Shahabadi N. Spectroscopic and molecular docking studies on the interaction of antiviral drug nevirapine with calf thymus DNA. NUCLEOSIDES NUCLEOTIDES & NUCLEIC ACIDS 2017; 36:553-570. [PMID: 28786740 DOI: 10.1080/15257770.2017.1346800] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
Abstract
The interaction of calf thymus DNA with nevirapine at physiological pH was studied by using absorption, circular dichroism, viscosity, differential pulse voltammetry, fluorescence techniques, salt effect studies and computational methods. The drug binds to ct-DNA in a groove binding mode, as shown by slight variation in the viscosity of ct-DNA. Furthermore, competitive fluorimetric studies with Hoechst 33258 indicate that nevirapine binds to DNA via groove binding. Moreover, the structure of nevirapine was optimized by DFT calculations and was used for the molecular docking calculations. The molecular docking results suggested that nevirapine prefers to bind on the minor groove of ct-DNA.
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Affiliation(s)
| | | | - Nahid Shahabadi
- b Department of Chemistry, Faculty of Science , Razi University , Kermanshah , Iran.,c Medical Biology Research Center (MBRC) Kermanshah University of Medical Sciences , Kermanshah , Iran
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28
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Hu J, Liao C, Guo Y, Yang F, Sang W, Zhao J. Copper(II) complexes inducing apoptosis in cancer cells, and demonstrating DNA and HSA interactions. Polyhedron 2017. [DOI: 10.1016/j.poly.2017.04.018] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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29
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Gaur R, Choubey DK, Usman M, Ward BD, Roy JK, Mishra L. Synthesis, structures, nuclease activity, cytotoxicity, DFT and molecular docking studies of two nitrato bridged homodinuclear (Cu-Cu, Zn-Zn) complexes containing 2,2′-bipyridine and a chalcone derivative. JOURNAL OF PHOTOCHEMISTRY AND PHOTOBIOLOGY B-BIOLOGY 2017; 173:650-660. [DOI: 10.1016/j.jphotobiol.2017.07.005] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/11/2017] [Revised: 06/30/2017] [Accepted: 07/05/2017] [Indexed: 12/19/2022]
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30
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Shi L, Jiang YY, Jiang T, Yin W, Yang JP, Cao ML, Fang YQ, Liu HY. Water-soluble Manganese and Iron Mesotetrakis(carboxyl)porphyrin: DNA Binding, Oxidative Cleavage, and Cytotoxic Activities. Molecules 2017; 22:molecules22071084. [PMID: 28661455 PMCID: PMC6152243 DOI: 10.3390/molecules22071084] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2017] [Revised: 06/26/2017] [Accepted: 06/26/2017] [Indexed: 02/06/2023] Open
Abstract
Two new water-soluble metal carboxyl porphyrins, manganese (III) meso-tetrakis (carboxyl) porphyrin and iron (III) meso-tetrakis (carboxyl) porphyrin, were synthesized and characterized. Their interactions with ct-DNA were investigated by UV-Vis titration, fluorescence spectra, viscosity measurement and CD spectra. The results showed they can strongly bind to ct-DNA via outside binding mode. Electrophoresis experiments revealed that both complexes can cleave pBR322 DNA efficiently in the presence of hydrogen peroxide, albeit 2-Mn exhibited a little higher efficiency. The inhibitor tests suggest the oxidative DNA cleavage by these two complexes may involve hydroxyl radical active intermediates. Notably, 2-Mn exhibited considerable photocytotoxicity against Hep G2 cell via triggering a significant generation of ROS and causing disruption of MMP after irradiation.
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Affiliation(s)
- Lei Shi
- Department of Chemistry, Guangdong University of Education, Guangzhou 510303, China.
- Engineering Technology Development Center of Advanced Materials & Energy Saving and Emission Reduction in Guangdong Colleges and Universities, Guangzhou 510303, China.
| | - Yi-Yu Jiang
- Department of Chemistry, South China University of Technology, Guangzhou 510641, China.
| | - Tao Jiang
- Department of Chemistry, Guangdong University of Education, Guangzhou 510303, China.
| | - Wei Yin
- Department of Chemistry, Guangdong University of Education, Guangzhou 510303, China.
- Engineering Technology Development Center of Advanced Materials & Energy Saving and Emission Reduction in Guangdong Colleges and Universities, Guangzhou 510303, China.
| | - Jian-Ping Yang
- Department of Chemistry, Guangdong University of Education, Guangzhou 510303, China.
- Engineering Technology Development Center of Advanced Materials & Energy Saving and Emission Reduction in Guangdong Colleges and Universities, Guangzhou 510303, China.
| | - Man-Li Cao
- Department of Chemistry, Guangdong University of Education, Guangzhou 510303, China.
- Engineering Technology Development Center of Advanced Materials & Energy Saving and Emission Reduction in Guangdong Colleges and Universities, Guangzhou 510303, China.
| | - Yu-Qi Fang
- Department of Chemistry, Guangdong University of Education, Guangzhou 510303, China.
| | - Hai-Yang Liu
- Department of Chemistry, South China University of Technology, Guangzhou 510641, China.
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31
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Husain MA, Ishqi HM, Sarwar T, Rehman SU, Tabish M. Interaction of indomethacin with calf thymus DNA: a multi-spectroscopic, thermodynamic and molecular modelling approach. MEDCHEMCOMM 2017; 8:1283-1296. [PMID: 30108839 PMCID: PMC6072532 DOI: 10.1039/c7md00094d] [Citation(s) in RCA: 55] [Impact Index Per Article: 7.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/24/2017] [Accepted: 04/26/2017] [Indexed: 11/21/2022]
Abstract
Indomethacin belongs to the acetic acid derivative class of non-steroidal anti-inflammatory drugs with diverse pharmacological and biological activities. Understanding the mechanism of interaction of drugs with possible target and off-target biomolecules can prove useful in the development of a rational drug designing system. In this paper, we have attempted to ascertain the mode of binding of indomethacin with calf thymus DNA (Ct-DNA) through various biophysical techniques and in silico molecular docking. Analysis of the UV-visible absorbance spectra and fluorescence emission profile of indomethacin upon addition of Ct-DNA indicates the formation of a drug-DNA complex. UV-visible absorbance and steady state fluorescence experiments revealed a binding constant on the order of 103 L mol-1, which is consistent with those of well-known groove binders. Competitive displacement studies with ethidium bromide, acridine orange and Hoechst 33258 further suggested that indomethacin binds to the minor groove of the Ct-DNA. The above observations were further confirmed by KI induced quenching experiments, DNA melting studies, CD spectral analysis and viscosity measurements. The thermodynamic parameters like spontaneous free energy (ΔG < 0) and large favourable enthalpy (ΔH < 0) obtained from isothermal calorimetry indicated the involvement of hydrogen bonding and van der Waals forces in the binding process. Molecular docking further corroborated the experimental results.
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Affiliation(s)
- Mohammed Amir Husain
- Department of Biochemistry , Faculty of Life Sciences , A.M. University , Aligarh , U.P. 202002 , India . ; Tel: +91 9634780818
| | - Hassan Mubarak Ishqi
- Department of Biochemistry , Faculty of Life Sciences , A.M. University , Aligarh , U.P. 202002 , India . ; Tel: +91 9634780818
| | - Tarique Sarwar
- Department of Biochemistry , Faculty of Life Sciences , A.M. University , Aligarh , U.P. 202002 , India . ; Tel: +91 9634780818
| | - Sayeed Ur Rehman
- Department of Biochemistry , Faculty of Life Sciences , A.M. University , Aligarh , U.P. 202002 , India . ; Tel: +91 9634780818
| | - Mohammad Tabish
- Department of Biochemistry , Faculty of Life Sciences , A.M. University , Aligarh , U.P. 202002 , India . ; Tel: +91 9634780818
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32
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Biswas N, Khanra S, Sarkar A, Bhattacharjee S, Prasad Mandal D, Chaudhuri A, Chakraborty S, Roy Choudhury C. One new azido bridged dinuclear copper(ii) thiosemicarbazide complex: synthesis, DNA/protein binding, molecular docking study and cytotoxicity activity. NEW J CHEM 2017. [DOI: 10.1039/c7nj01998j] [Citation(s) in RCA: 33] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Biological potential of a copper(ii) complex found to exhibit in vitro antiproliferative activity towards two cell lines, AGS and A549 cancer cells.
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Affiliation(s)
- Niladri Biswas
- Department of Chemistry
- West Bengal State University
- Barasat
- India
| | - Sumit Khanra
- Department of Chemistry
- Indian Institute of Science Education and Research, Kolkata
- Mohanpur – 741 246
- India
| | - Arnab Sarkar
- Department of Zoology
- West Bengal State University
- Barasat
- India
| | | | | | - Ankur Chaudhuri
- Department of Microbiology
- West Bengal State University
- Barasat
- India
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33
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Tang B, Shen F, Wan D, Guo BH, Wang YJ, Yi QY, Liu YJ. DNA-binding, molecular docking studies and biological activity studies of ruthenium(ii) polypyridyl complexes. RSC Adv 2017. [DOI: 10.1039/c7ra05103d] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
Three new Ru(ii) complexes [Ru(N–N)2(PTCP)]2+ were synthesized and characterized. The DNA-binding, in vitro cytotoxicity, apoptosis, autophagy and western blot analysis were investigated.
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Affiliation(s)
- Bing Tang
- School of Pharmacy
- Guangdong Pharmaceutical University
- Guangzhou
- P. R. China
| | - Fang Shen
- Department of Applied Chemistry
- South China Agricultural University
- Guangzhou 510642
- P. R. China
| | - Dan Wan
- School of Pharmacy
- Guangdong Pharmaceutical University
- Guangzhou
- P. R. China
| | - Bo-Hong Guo
- School of Pharmacy
- Guangdong Pharmaceutical University
- Guangzhou
- P. R. China
| | - Yang-Jie Wang
- School of Pharmacy
- Guangdong Pharmaceutical University
- Guangzhou
- P. R. China
| | - Qiao-Yan Yi
- School of Pharmacy
- Guangdong Pharmaceutical University
- Guangzhou
- P. R. China
| | - Yun-Jun Liu
- School of Pharmacy
- Guangdong Pharmaceutical University
- Guangzhou
- P. R. China
- Guangdong Cosmetics Engineering & Technology Research Center
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34
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Synthesis of Diphenyl Pyridazinone-based flexible system for conformational studies through weak noncovalent interactions: Application in DNA binding. J CHEM SCI 2016. [DOI: 10.1007/s12039-016-1059-3] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
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35
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Al-Asbahy WM, Usman M, Arjmand F, Shamsi M, Tabassum S. A dinuclear copper(II) complex with piperazine bridge ligand as a potential anticancer agent: DFT computation and biological evaluation. Inorganica Chim Acta 2016. [DOI: 10.1016/j.ica.2016.02.046] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
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36
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Current and future potential of metallo drugs: Revisiting DNA-binding of metal containing molecules and their diverse mechanism of action. Inorganica Chim Acta 2016. [DOI: 10.1016/j.ica.2016.01.006] [Citation(s) in RCA: 67] [Impact Index Per Article: 8.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/14/2023]
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37
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Jana S, Santra RC, Frontera A, Drew MGB, Ortega-Castro J, Fernández D, Das S, Chattopadhyay S. Copper(II) pseudohalide complexes with isomeric N2O donor Schiff base ligands: Synthesis, characterization and molecular dynamics simulations of interactions with DNA. ChemistrySelect 2016. [DOI: 10.1002/slct.201500018] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Affiliation(s)
- Subrata Jana
- Department of Chemistry; Inorganic Section; Jadavpur University; Kolkata - 700 032 India
| | - Ramesh Chandra Santra
- Department of Chemistry; Inorganic Section; Jadavpur University; Kolkata - 700 032 India
| | - Antonio Frontera
- Departament de Química; Universitat de les Illes Balears; Crta de Valldemossa km 7.5 07122 Palma de Mallorca (Baleares SPAIN
| | - Michael G. B. Drew
- School of Chemistry; The University of Reading; P.O. Box 224 Whiteknights Reading RG6 6AD UK
| | - Joaquín Ortega-Castro
- Departament de Química; Universitat de les Illes Balears; Crta de Valldemossa km 7.5 07122 Palma de Mallorca (Baleares SPAIN
| | - David Fernández
- Departament de Química; Universitat de les Illes Balears; Crta de Valldemossa km 7.5 07122 Palma de Mallorca (Baleares SPAIN
| | - Saurabh Das
- Department of Chemistry; Inorganic Section; Jadavpur University; Kolkata - 700 032 India
| | - Shouvik Chattopadhyay
- Department of Chemistry; Inorganic Section; Jadavpur University; Kolkata - 700 032 India
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38
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Soler M, Figueras E, Serrano-Plana J, González-Bártulos M, Massaguer A, Company A, Martínez MÁ, Malina J, Brabec V, Feliu L, Planas M, Ribas X, Costas M. Design, Preparation, and Characterization of Zn and Cu Metallopeptides Based On Tetradentate Aminopyridine Ligands Showing Enhanced DNA Cleavage Activity. Inorg Chem 2015; 54:10542-58. [PMID: 26503063 DOI: 10.1021/acs.inorgchem.5b01680] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
Abstract
The conjugation of redox-active complexes that can function as chemical nucleases to cationic tetrapeptides is pursued in this work in order to explore the expected synergistic effect between these two elements in DNA oxidative cleavage. Coordination complexes of biologically relevant first row metal ions, such as Zn(II) or Cu(II), containing the tetradentate ligands 1,4-dimethyl-7-(2-pyridylmethyl)-1,4,7-triazacyclononane ((Me2)PyTACN) and (2S,2S')-1,1'-bis(pyrid-2-ylmethyl)-2,2'-bipyrrolidine ((S,S')-BPBP) have been linked to a cationic LKKL tetrapeptide sequence. Solid-phase synthesis of the peptide-tetradentate ligand conjugates has been developed, and the preparation and characterization of the corresponding metallotetrapeptides is described. The DNA cleavage activity of Cu and Zn metallopeptides has been evaluated and compared to their metal binding conjugates as well as to the parent complexes and ligands. Very interestingly, the oxidative Cu metallopeptides 1Cu and 2Cu show an enhanced activity compared to the parent complexes, [Cu(PyTACN)](2+) and [Cu(BPBP)](2+), respectively. Under optimized conditions, 1Cu displays an apparent pseudo first-order rate constant (kobs) of ∼0.16 min(-1) with a supercoiled DNA half-life time (t1/2) of ∼4.3 min. On the other hand, kobs for 2Cu has been found to be ∼0.11 min(-1) with t1/2 ≈ 6.4 min. Hence, these results point out that the DNA cleavage activities promoted by the metallopeptides 1Cu and 2Cu render ∼4-fold and ∼23 rate accelerations in comparison with their parent Cu complexes. Additional binding assays and mechanistic studies demonstrate that the enhanced cleavage activities are explained by the presence of the cationic LKKL tetrapeptide sequence, which induces an improved binding affinity to the DNA, thus bringing the metal ion, which is responsible for cleavage, in close proximity.
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Affiliation(s)
- Marta Soler
- QBIS-CAT Research Group, Institut de Química Computacional i Catàlisi (IQCC) and Departament de Química, Universitat de Girona , Campus Montilivi, E-17071 Girona, Catalonia, Spain.,LIPPSO, Departament de Química, Universitat de Girona , Campus Montilivi, E-17071 Girona, Catalonia, Spain
| | - Eduard Figueras
- LIPPSO, Departament de Química, Universitat de Girona , Campus Montilivi, E-17071 Girona, Catalonia, Spain
| | - Joan Serrano-Plana
- QBIS-CAT Research Group, Institut de Química Computacional i Catàlisi (IQCC) and Departament de Química, Universitat de Girona , Campus Montilivi, E-17071 Girona, Catalonia, Spain
| | - Marta González-Bártulos
- Biochemistry of Cancer Group, Biochemistry and Molecular Biology Unit, Department de Química and Department of Biology, Universitat de Girona , Campus Montilivi, 17071 Girona, Catalunya, Spain
| | - Anna Massaguer
- Biochemistry of Cancer Group, Biochemistry and Molecular Biology Unit, Department de Química and Department of Biology, Universitat de Girona , Campus Montilivi, 17071 Girona, Catalunya, Spain
| | - Anna Company
- QBIS-CAT Research Group, Institut de Química Computacional i Catàlisi (IQCC) and Departament de Química, Universitat de Girona , Campus Montilivi, E-17071 Girona, Catalonia, Spain
| | - Ma Ángeles Martínez
- Biochemistry of Cancer Group, Biochemistry and Molecular Biology Unit, Department de Química and Department of Biology, Universitat de Girona , Campus Montilivi, 17071 Girona, Catalunya, Spain
| | - Jaroslav Malina
- Institute of Biophysics, Academy of Sciences of the Czech Republic , v.v.i., Kralovopolska 135, CZ-61265 Brno, Czech Republic
| | - Viktor Brabec
- Institute of Biophysics, Academy of Sciences of the Czech Republic , v.v.i., Kralovopolska 135, CZ-61265 Brno, Czech Republic
| | - Lidia Feliu
- LIPPSO, Departament de Química, Universitat de Girona , Campus Montilivi, E-17071 Girona, Catalonia, Spain
| | - Marta Planas
- LIPPSO, Departament de Química, Universitat de Girona , Campus Montilivi, E-17071 Girona, Catalonia, Spain
| | - Xavi Ribas
- QBIS-CAT Research Group, Institut de Química Computacional i Catàlisi (IQCC) and Departament de Química, Universitat de Girona , Campus Montilivi, E-17071 Girona, Catalonia, Spain
| | - Miquel Costas
- QBIS-CAT Research Group, Institut de Química Computacional i Catàlisi (IQCC) and Departament de Química, Universitat de Girona , Campus Montilivi, E-17071 Girona, Catalonia, Spain
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MA JH, QIN DD, SONG YM. Synthesis of Co(II), Ni(II) Complexes Containing Aromatic Amines and Glycylglycine with Superoxide Dismutase-like Activity. CHINESE JOURNAL OF ANALYTICAL CHEMISTRY 2015. [DOI: 10.1016/s1872-2040(15)60845-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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40
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Jahani S, Khorasani-Motlagh M, Noroozifar M. DNA interaction of europium(III) complex containing 2,2′-bipyridine and its antimicrobial activity. J Biomol Struct Dyn 2015; 34:612-24. [DOI: 10.1080/07391102.2015.1048481] [Citation(s) in RCA: 47] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/26/2023]
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41
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Vikneswaran R, Syafiq MS, Eltayeb NE, Kamaruddin MN, Ramesh S, Yahya R. A new thio-Schiff base fluorophore with copper ion sensing, DNA binding and nuclease activity. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2015; 150:175-180. [PMID: 26046495 DOI: 10.1016/j.saa.2015.05.087] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/18/2014] [Revised: 05/13/2015] [Accepted: 05/20/2015] [Indexed: 06/04/2023]
Abstract
Copper ion recognition and DNA interaction of a newly synthesized fluorescent Schiff base (HPyETSC) were investigated using UV-vis and fluorescent spectroscopy. Examination using these two techniques revealed that the detection of copper by HPyETSC is highly sensitive and selective, with a detection limit of 0.39 μm and the mode of interaction between HPyETSC and DNA is electrostatic, with a binding constant of 8.97×10(4) M(-1). Furthermore, gel electrophoresis studies showed that HPyETSC exhibited nuclease activity through oxidative pathway.
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Affiliation(s)
- R Vikneswaran
- Centre for Ionics University of Malaya, Department of Physics, Faculty of Science, University of Malaya, Lembah Pantai, 50603 Kuala Lumpur, Malaysia.
| | - Muhamad Syamir Syafiq
- Centre for Ionics University of Malaya, Department of Physics, Faculty of Science, University of Malaya, Lembah Pantai, 50603 Kuala Lumpur, Malaysia
| | - Naser Eltaher Eltayeb
- Department of Chemistry, Sciences & Arts College - Rabigh, King Abdulaziz University, Rabigh, Saudi Arabia
| | - Mohd Naqiuddin Kamaruddin
- Centre for Ionics University of Malaya, Department of Physics, Faculty of Science, University of Malaya, Lembah Pantai, 50603 Kuala Lumpur, Malaysia
| | - S Ramesh
- Centre for Ionics University of Malaya, Department of Physics, Faculty of Science, University of Malaya, Lembah Pantai, 50603 Kuala Lumpur, Malaysia.
| | - R Yahya
- Department of Chemistry, Faculty of Science, University of Malaya, Lembah Pantai, 50603 Kuala Lumpur, Malaysia.
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42
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Fu XB, Liu DD, Lin Y, Hu W, Mao ZW, Le XY. Water-soluble DNA minor groove binders as potential chemotherapeutic agents: synthesis, characterization, DNA binding and cleavage, antioxidation, cytotoxicity and HSA interactions. Dalton Trans 2015; 43:8721-37. [PMID: 24770345 DOI: 10.1039/c3dt53577k] [Citation(s) in RCA: 111] [Impact Index Per Article: 12.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
Two new water-soluble copper(ii)-dipeptide complexes: [Cu(glygly)(PyTA)]ClO4·1.5H2O (1) and [Cu(glygly)(PzTA)]ClO4·1.5H2O (2) (glygly = glycylglycine anion, PyTA = 2,4-diamino-6-(2'-pyridyl)-1,3,5-triazine and PzTA = 2,4-diamino-6-(2'-pyrazino)-1,3,5-triazine), utilizing two interrelated DNA base-like ligands (PyTA and PzTA), have been synthesized and characterized. The structure elucidation for 1 performed by single crystal X-ray diffraction showed a one dimensional chain conformation in which the central copper ions arrange in a five-coordinate distorted square-pyramidal geometry. Spectroscopic titration, viscosity and electrophoresis measurements revealed that the complexes bound to DNA via an outside groove binding mode, and cleaved pBR322 DNA efficiently in the presence of ascorbate, probably via an oxidative mechanism with the involvement of ˙OH and ˙O2(-). Notably, the complexes exhibited considerable in vitro cytotoxicity against four human carcinoma cell lines (HepG2, HeLa, A549 and U87) with IC50 values ranging from 41.68 to 159.17 μM, in addition to their excellent SOD mimics (IC50 ~ 0.091 and 0.114 μM). Besides, multispectroscopic evidence suggested their HSA-binding at the cavity containing Trp-214 in subdomain IIA with moderate affinity, mainly via hydrophobic interaction. Further, the molecular docking technique utilized for ascertaining the mechanism and mode of action towards DNA and HSA theoretically verified the experimental results.
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Affiliation(s)
- Xia-Bing Fu
- Department of Applied Chemistry, South China Agricultural University, Guangzhou 510642, PR China.
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43
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Molphy Z, Slator C, Chatgilialoglu C, Kellett A. DNA oxidation profiles of copper phenanthrene chemical nucleases. Front Chem 2015; 3:28. [PMID: 25954741 PMCID: PMC4404973 DOI: 10.3389/fchem.2015.00028] [Citation(s) in RCA: 36] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/22/2015] [Accepted: 03/30/2015] [Indexed: 01/04/2023] Open
Abstract
The deleterious effects of metal-catalyzed reactive oxygen species (ROS) in biological systems can be seen in a wide variety of pathological conditions including cancer, cardiovascular disease, aging, and neurodegenerative disorder. On the other hand however, targeted ROS production in the vicinity of nucleic acids—as demonstrated by metal-activated bleomycin—has paved the way for ROS-active chemotherapeutic drug development. Herein we report mechanistic investigations into the oxidative nuclease activity and redox properties of copper(II) developmental therapeutics [Cu(DPQ)(phen)]2+ (Cu-DPQ-Phen), [Cu(DPPZ)(phen)]2+ (Cu-DPPZ-Phen), and [{Cu(phen)2}2(μ-terph)](terph) (Cu-Terph), with results being compared directly to Sigman's reagent [Cu(phen)2]2+ throughout (phen = 1,10-phenanthroline; DPQ = dipyridoquinoxaline; DPPZ = dipyridophenazine; Terph = terephthalate). Oxidative DNA damage was identified at the minor groove through use of surface bound recognition elements of methyl green, netropsin, and [Co(NH3)6]Cl3 that functioned to control complex accessibility at selected regions. ROS-specific scavengers and stabilizers were employed to identify the cleavage process, the results of which infer hydrogen peroxide produced metal-hydroxo or free hydroxyl radicals (•OH) as the predominant species. The extent of DNA damage owing to these radicals was then quantified through 8-oxo-2′-deoxyguanosine (8-oxo-dG) lesion detection under ELISA protocol with the overall trend following Cu-DPQ-Phen > Cu-Terph > Cu-Phen > Cu-DPPZ. Finally, the effects of oxidative damage on DNA replication processes were investigated using the polymerase chain reaction (PCR) where amplification of 120 base pair DNA sequences of varying base content were inhibited—particularly along A-T rich chains—through oxidative damage of template strands.
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Affiliation(s)
- Zara Molphy
- School of Chemical Sciences, National Institute for Cellular Biotechnology, Dublin City University Dublin, Ireland
| | - Creina Slator
- School of Chemical Sciences, National Institute for Cellular Biotechnology, Dublin City University Dublin, Ireland
| | - Chryssostomos Chatgilialoglu
- Istituto per la Sintesi Organica e la Fotoreattività, Consiglio Nazionale delle Ricerche Bologna, Italy ; Institute of Nanoscience and Nanotechnology, National Center for Scientific Research "Demokritos," Athens, Greece
| | - Andrew Kellett
- School of Chemical Sciences, National Institute for Cellular Biotechnology, Dublin City University Dublin, Ireland
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44
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Zhang Y, Wen JY, Mahmood MHR, Wang XL, Lv BB, Ying X, Wang H, Ji LN, Liu HY. DNA/HSA interaction and nuclease activity of an iron(III) amphiphilic sulfonated corrole. LUMINESCENCE 2015; 30:1045-54. [PMID: 25736221 DOI: 10.1002/bio.2857] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/05/2014] [Revised: 12/21/2014] [Accepted: 12/29/2014] [Indexed: 12/23/2022]
Abstract
The DNA binding of amphiphilic iron(III) 2,17-bis(sulfonato)-5,10,15-tris(pentafluorophenyl)corrole complex (Fe-SC) was studied using spectroscopic methods and viscosity measurements. Its nuclease-like activity was examined by using pBR322 DNA as a target. The interaction of Fe-SC with human serum albumin (HSA) in vitro was also examined using multispectroscopic techniques. Experimental results revealed that Fe-SC binds to ct-DNA via an outside binding mode with a binding constant of 1.25 × 10(4) M(-1). This iron corrole also displays good activity during oxidative DNA cleavage by hydrogen peroxide or tert-butyl hydroperoxide oxidants, and high-valent (oxo)iron(V,VI) corrole intermediates may play an important role in DNA cleavage. Fe-SC exhibits much stronger binding affinity to site II than site I of HSA, indicating a selective binding tendency to HSA site II. The HSA conformational change induced by Fe-SC was confirmed by UV/Vis and CD spectroscopy.
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Affiliation(s)
- Yang Zhang
- Department of Chemistry, South China University of Technology, Guangzhou, 510640, China
| | - Jin-Yan Wen
- Department of Chemistry, South China University of Technology, Guangzhou, 510640, China
| | - Mian H R Mahmood
- Department of Chemistry, South China University of Technology, Guangzhou, 510640, China
| | - Xiang-Li Wang
- Department of Chemistry, South China University of Technology, Guangzhou, 510640, China
| | - Biao-Biao Lv
- Department of Applied Phsics, South China University of Technology, Guangzhou, 510640, China
| | - Xiao Ying
- Department of Applied Phsics, South China University of Technology, Guangzhou, 510640, China
| | - Hui Wang
- State Key Laboratory of Optoelectronics Materials and Technologies, Sun-Yat Sen University, Guangzhou, 510275, China
| | - Liang-Nian Ji
- State Key Laboratory of Optoelectronics Materials and Technologies, Sun-Yat Sen University, Guangzhou, 510275, China.,MOE Laboratory of Bioinorganic and Synthetic Chemistry, Sun-Yat Sen University, Guangzhou, 510275, China
| | - Hai-Yang Liu
- Department of Chemistry, South China University of Technology, Guangzhou, 510640, China
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45
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Arjmand F, Yousuf I, Zaidi Y, Toupet L. Crystal structure determination, spectroscopic characterization and biological profile of a tailored ionic molecular entity, Sn(iv) iminodiacetic acid–piperazinediium conjugate: in vitro DNA/RNA binding studies, Topo I inhibition activity, cytotoxic and systemic toxicity studies. RSC Adv 2015. [DOI: 10.1039/c4ra13718c] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
In vitro DNA/RNA binding studies and cytotoxic activity of complex 1 along with its in vivo systemic toxicity assay.
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Affiliation(s)
- Farukh Arjmand
- Department of Chemistry
- Aligarh Muslim University
- Aligarh 202002
- India
| | - Imtiyaz Yousuf
- Department of Chemistry
- Aligarh Muslim University
- Aligarh 202002
- India
| | - Yusra Zaidi
- Department of Zoology
- Aligarh Muslim University
- Aligarh 202002
- India
| | - Loic Toupet
- Institut de Physique de Rennes
- UMR 625
- Université de Rennes 1
- 35042 Rennes, Cedex
- France
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46
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Patra D, Biswas N, Kumari B, Das P, Sepay N, Chatterjee S, Drew MGB, Ghosh T. A family of mixed-ligand oxidovanadium(v) complexes with aroylhydrazone ligands: a combined experimental and computational study on the electronic effects of para substituents of hydrazone ligands on the electronic properties, DNA binding and nuclease activities. RSC Adv 2015. [DOI: 10.1039/c5ra17844d] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/02/2023] Open
Abstract
Substituents at 5-position in the acetophenone ring of the hydrazone ligands in a family of mixed-ligand oxidovanadium(v) complexes show marked influence on the electronic properties, DNA binding ability and nuclease activity.
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Affiliation(s)
- Debashis Patra
- Post Graduate Department of Chemistry
- Ramakrishna Mission Vivekananda Centenary College
- Kolkata-700118
- India
| | - Nirmalendu Biswas
- Post Graduate Department of Chemistry
- Ramakrishna Mission Vivekananda Centenary College
- Kolkata-700118
- India
| | - Bhavini Kumari
- Department of Chemistry
- Indian Institute of Technology Patna
- India
| | - Prolay Das
- Department of Chemistry
- Indian Institute of Technology Patna
- India
| | - Nayim Sepay
- Department of Chemistry
- Jadavpur University
- Kolkata-700032
- India
| | - Shamba Chatterjee
- Department of Organic Chemistry
- Indian Association for the Cultivation of Science
- Kolkata-700032
- India
| | | | - Tapas Ghosh
- Post Graduate Department of Chemistry
- Ramakrishna Mission Vivekananda Centenary College
- Kolkata-700118
- India
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47
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Tabassum S, Asim A, Khan RA, Arjmand F, Rajakumar D, Balaji P, Akbarsha MA. A multifunctional molecular entity Cu II–Sn IV heterobimetallic complex as a potential cancer chemotherapeutic agent: DNA binding/cleavage, SOD mimetic, topoisomerase Iα inhibitory and in vitro cytotoxic activities. RSC Adv 2015; 5:47439-47450. [DOI: 10.1039/c5ra07333b] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/12/2023] Open
Abstract
New chiral l-valine-derived Schiff base complexes with the bioactive heterocyclic ligand scaffold pyrazole (Hpz) were designed and synthesized with a view to find their potential as anticancer chemotherapeutic drug candidates.
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Affiliation(s)
- Sartaj Tabassum
- Department of Chemistry
- Aligarh Muslim University
- Aligarh-202002
- India
| | - Ahmad Asim
- Department of Chemistry
- Aligarh Muslim University
- Aligarh-202002
- India
| | - Rais Ahmad Khan
- Department of Chemistry
- King Saud University
- Riyadh
- Kingdom of Saudi Arabia
| | - Farukh Arjmand
- Department of Chemistry
- Aligarh Muslim University
- Aligarh-202002
- India
| | - Dhivya Rajakumar
- Department of Biomedical Science
- Bharathidasan University
- Tiruchirappalli 620 024
- India
| | - Perumalsamy Balaji
- Department of Biomedical Science
- Bharathidasan University
- Tiruchirappalli 620 024
- India
| | - Mohammad Abdulkader Akbarsha
- Mahatma Gandhi-Doerenkamp Center (MGDC) for Alternatives to Use of Animals in Life Science Education
- Bharathidasan University
- Tiruchirappalli 620 024
- India
- Department of Food Science and Nutrition
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48
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Fu XB, Zhang JJ, Liu DD, Gan Q, Gao HW, Mao ZW, Le XY. Cu(II)-dipeptide complexes of 2-(4'-thiazolyl)benzimidazole: synthesis, DNA oxidative damage, antioxidant and in vitro antitumor activity. J Inorg Biochem 2014; 143:77-87. [PMID: 25528481 DOI: 10.1016/j.jinorgbio.2014.12.006] [Citation(s) in RCA: 43] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/09/2014] [Revised: 12/02/2014] [Accepted: 12/02/2014] [Indexed: 12/14/2022]
Abstract
Two new Cu(II)-dipeptide complexes of 2-(4'-thiazolyl)benzimidazole, [Cu(Gly-Gly)(TBZ)(Cl)]·4H2O (1) and [Cu(Gly-l-Leu)(TBZ)(Cl)]·H2O (2) (Gly-Gly=glycyl-glycine anion, Gly-l-Leu=glycyl-l-leucine anion and TBZ=2-(4'-thiazolyl)benzimidazole) have been synthesized and characterized by elemental analyses, molar conductance measurements and spectroscopy methods (IR, UV-visible, electrospray ionization mass spectra (ESI-MS) and EPR). The DNA binding and cleavage properties of the complexes monitored by multi-spectroscopic techniques (UV absorption, fluorescence and circular dichroism), viscosity determination and agarose gel electrophoresis indicated that the complexes bound to calf thymus (CT)-DNA via a partial intercalative mode with considerable intrinsic binding constants (Kb=1.64×10(5)M(-1) for 1 and 2.59×10(5)M(-1) for 2), and cleaved pBR322 DNA efficiently in the mediation of ascorbic acid (AA), probably via an oxidative damage mechanism induced by OH. The antioxidant activities of the complexes have been evaluated by means of modified nitroblue tetrazolium (NBT) photoreduction and cellular antioxidant activity (CAA) assays using HepG2 cells as a model, and it was found that IC50 values of 1 and 2 for dismutation of O2(-) were 0.172 and 0.247μM, respectively, and the CAA50 values were 10.57 and 10.74μM. In addition, the complexes were subjected to in vitro cytotoxicity against three human carcinoma cell lines (HeLa, A549 and HepG2), which revealed that the complexes exhibited effective cytotoxicity (IC50 values varying from 33.17 to 100μM) and selective inhibition toward HeLa cell lines. These findings indicate that the complexes have the potential to act as effective metallopeptide chemotherapeutic agents.
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Affiliation(s)
- Xia-Bing Fu
- Department of Applied Chemistry, South China Agricultural University, Guangzhou 510642, China
| | - Jia-Jia Zhang
- Department of Applied Chemistry, South China Agricultural University, Guangzhou 510642, China
| | - Dan-Dan Liu
- Department of Applied Chemistry, South China Agricultural University, Guangzhou 510642, China
| | - Qian Gan
- Department of Applied Chemistry, South China Agricultural University, Guangzhou 510642, China
| | - Hong-Wei Gao
- Department of Applied Chemistry, South China Agricultural University, Guangzhou 510642, China
| | - Zong-Wan Mao
- Department of Applied Chemistry, South China Agricultural University, Guangzhou 510642, China; MOE Key Laboratory of Bioinorganic and Synthetic Chemistry, School of Chemistry and Chemical Engineering, Sun Yat-Sen University, Guangzhou 510275, China
| | - Xue-Yi Le
- Department of Applied Chemistry, South China Agricultural University, Guangzhou 510642, China; Institute of Biomaterial, South China Agricultural University, Guangzhou 510642, China.
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49
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Sarwar T, Rehman SU, Husain MA, Ishqi HM, Tabish M. Interaction of coumarin with calf thymus DNA: deciphering the mode of binding by in vitro studies. Int J Biol Macromol 2014; 73:9-16. [PMID: 25453293 DOI: 10.1016/j.ijbiomac.2014.10.017] [Citation(s) in RCA: 125] [Impact Index Per Article: 12.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/05/2014] [Revised: 09/29/2014] [Accepted: 10/08/2014] [Indexed: 10/24/2022]
Abstract
DNA is the major target for a wide range of therapeutic substances. Thus, there has been considerable interest in the binding studies of small molecules with DNA. Interaction between small molecules and DNA provides a structural guideline in rational drug designing and in the synthesis of new and improved drugs with enhanced selective activity and greater clinical efficacy. Plant derived polyphenolic compounds have a large number of biological and pharmacological properties. Coumarin is a polyphenolic compound which has been extensively studied for its diverse pharmacological properties. However, its mode of interaction with DNA has not been elucidated. In the present study, we have attempted to ascertain the mode of binding of coumarin with calf thymus DNA (Ct-DNA) through various biophysical techniques. Analysis of UV-visible absorbance spectra and fluorescence spectra indicates the formation of complex between coumarin and Ct-DNA. Several other experiments such as effect of ionic strength, iodide induced quenching, competitive binding assay with ethidium bromide, acridine orange and Hoechst 33258 reflected that coumarin possibly binds to the minor groove of the Ct-DNA. These observations were further supported by CD spectral analysis, viscosity measurements, DNA melting studies and in silico molecular docking.
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Affiliation(s)
- Tarique Sarwar
- Department of Biochemistry, Faculty of Life Sciences, A.M. University, Aligarh, U.P. 202002, India
| | - Sayeed Ur Rehman
- Department of Biochemistry, Faculty of Life Sciences, A.M. University, Aligarh, U.P. 202002, India
| | - Mohammed Amir Husain
- Department of Biochemistry, Faculty of Life Sciences, A.M. University, Aligarh, U.P. 202002, India
| | - Hassan Mubarak Ishqi
- Department of Biochemistry, Faculty of Life Sciences, A.M. University, Aligarh, U.P. 202002, India
| | - Mohammad Tabish
- Department of Biochemistry, Faculty of Life Sciences, A.M. University, Aligarh, U.P. 202002, India.
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50
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Chew ST, Lo KM, Sinniah SK, Sim KS, Tan KW. Synthesis, characterization and biological evaluation of cationic hydrazone copper complexes with diverse diimine co-ligands. RSC Adv 2014. [DOI: 10.1039/c4ra11716f] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022] Open
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