1
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Wu H, Zhang Y, Chen H, Liu J, Xiu L, Huang J. Preparation, antioxidant and antibacterial activities of cryptate copper(II)/sulfonate chitosan complexes. Int J Biol Macromol 2023; 231:123200. [PMID: 36634801 DOI: 10.1016/j.ijbiomac.2023.123200] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2022] [Revised: 12/09/2022] [Accepted: 01/05/2023] [Indexed: 01/11/2023]
Abstract
In this work, we synthesized cryptate copper(II) followed by complexed with sulfonate chitosan (SCS). After characterization, the evaluation of the antioxidant properties of resulting complexes were carried out by 1,1-Diphenyl-2-picrylhydrazyl radical (DPPH•), hydroxyl radical (•OH), and 2,2'-Azinobis-(3-ethylbenzthiazoline-6-sulfonic acid) (ABTS•+), while the antibacterial and biofilm inhibitory activity against Pseudomonas aeruginosa PAO1 (P. aeruginosa PAO1) were also investigated. According to the results, cryptate copper(II) exhibited the best antioxidant activity followed by cryptate copper(II)/SCS complexes, and SCS. Significant antibacterial activity of cryptate copper(II) against P. aeruginosa PAO1 was observed with the minimum inhibitory concentration of MIC value 12.50 μg/mL and minimum bactericidal concentration of MBC value 100.00 μg/mL, followed by cryptate copper(II)/SCS complexes and SCS. Cryptate copper(II) and cryptate copper(II)/SCS exhibited antibacterial activity which copper ions might enter the interior of cells, and the intracellular ions made the killed bacteria serve as an antibacterial agent showing a zombie effect. The copper ions complexed with cryptate and SCS rendering potential unlimited biological activities, might become one of the most popular research areas because of their unique coordination chemistry and their long-term biological activities.
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Affiliation(s)
- Huixiang Wu
- College of Food Science and Biotechnology, Zhejiang Gongshang University, Hangzhou, Zhejiang 310018, PR China
| | - Yujun Zhang
- College of Food Science and Biotechnology, Zhejiang Gongshang University, Hangzhou, Zhejiang 310018, PR China
| | - Hao Chen
- College of Food Science and Biotechnology, Zhejiang Gongshang University, Hangzhou, Zhejiang 310018, PR China
| | - Jing Liu
- College of Food Science and Biotechnology, Zhejiang Gongshang University, Hangzhou, Zhejiang 310018, PR China
| | - Lili Xiu
- College of Food Science and Biotechnology, Zhejiang Gongshang University, Hangzhou, Zhejiang 310018, PR China
| | - Jianying Huang
- College of Food Science and Biotechnology, Zhejiang Gongshang University, Hangzhou, Zhejiang 310018, PR China.
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2
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A novel sprayable thermosensitive hydrogel coupled with zinc modified metformin promotes the healing of skin wound. Bioact Mater 2023; 20:610-626. [PMID: 35846848 PMCID: PMC9256661 DOI: 10.1016/j.bioactmat.2022.06.008] [Citation(s) in RCA: 28] [Impact Index Per Article: 28.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/15/2022] [Revised: 06/13/2022] [Accepted: 06/14/2022] [Indexed: 12/16/2022] Open
Abstract
A novel sprayable adhesive is established (ZnMet-PF127) by the combination of a thermosensitive hydrogel (Pluronic F127, PF127) and a coordination complex of zinc and metformin (ZnMet). Here we demonstrate that ZnMet-PF127 potently promotes the healing of traumatic skin defect and burn skin injury by promoting cell proliferation, angiogenesis, collagen formation. Furthermore, we find that ZnMet could inhibit reactive oxygen species (ROS) production through activation of autophagy, thereby protecting cell from oxidative stress induced damage and promoting healing of skin wound. ZnMet complex exerts better effects on promoting skin wound healing than ZnCl2 or metformin alone. ZnMet complex also displays excellent antibacterial activity against Staphylococcus aureus or Escherichia coli, which could reduce the incidence of skin wound infections. Collectively, we demonstrate that sprayable PF127 could be used as a new drug delivery system for treatment of skin injury. The advantages of this sprayable system are obvious: (1) It is convenient to use; (2) The hydrogel can cover irregular skin defect sites evenly in a liquid state. In combination with this system, we establish a novel sprayable adhesive (ZnMet-PF127) and demonstrate that it is a potential clinical treatment for traumatic skin defect and burn skin injury.
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3
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Tao Y, Jia L, Qin H, Niu R, Qiao L. A new magnetic ionic liquid based salting-out assisted dispersive liquid-liquid microextraction for the determination of parabens in environmental water samples. ANALYTICAL METHODS : ADVANCING METHODS AND APPLICATIONS 2022; 14:4775-4783. [PMID: 36374117 DOI: 10.1039/d2ay01403c] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/16/2023]
Abstract
In this study, a new magnetic ionic liquid (MIL) was designed and prepared, containing a magnetic cation from the ligand N,N-dimethyl biguanide (DMBG) complexing with magnetic center Co2+ and a bis-trifluoromethanesulfonimide (NTf2-) anion. Using the MIL as the extraction solvent, a salting-out assisted dispersive liquid-liquid microextraction (SA-DLLME) combined with high performance liquid chromatography-ultraviolet detection (HPLC-UV) was established for the enrichment and detection of four parabens in environmental water samples. The one-factor-at-a-time experiment was employed to optimize the conditions affecting the extraction efficiency. Under the optimized extraction conditions, the limits of quantification (LOQs) of the four target analytes ranged from 2.0 ng mL-1 to 2.8 ng mL-1, and the coefficients of determination (R2) were above 0.9996 in the linear range of 2.8-400 ng mL-1. On the other hand, the method displayed good repeatability and accuracy with intra-day and inter-day relative standard deviations (RSDs) of 2.1-13.0% and recoveries of 82.0-114.6%. The established method was applied to real samples with recoveries within 81.6-125.4%, and the results demonstrated that the method was practical.
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Affiliation(s)
- Yuan Tao
- State Key Laboratory of Fine Chemicals, Dalian University of Technology, Dalian 116023, China.
- School of Chemical Engineering, Dalian University of Technology, Panjin 124221, China
| | - Luyao Jia
- State Key Laboratory of Fine Chemicals, Dalian University of Technology, Dalian 116023, China.
- School of Chemical Engineering, Dalian University of Technology, Panjin 124221, China
| | - Honglin Qin
- State Key Laboratory of Fine Chemicals, Dalian University of Technology, Dalian 116023, China.
- School of Chemical Engineering, Dalian University of Technology, Panjin 124221, China
| | - Ruiting Niu
- State Key Laboratory of Fine Chemicals, Dalian University of Technology, Dalian 116023, China.
- School of Chemical Engineering, Dalian University of Technology, Panjin 124221, China
| | - Lizhen Qiao
- State Key Laboratory of Fine Chemicals, Dalian University of Technology, Dalian 116023, China.
- School of Chemical Engineering, Dalian University of Technology, Panjin 124221, China
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4
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Rajeshwari K, Vasantha P, Kumar BS, Lakshmi PVA. Nickel-Metformin Ternary Complexes: Geometrical, Thermal, DNA Binding, and Molecular Docking Studies. Biol Trace Elem Res 2022; 200:5351-5364. [PMID: 34993912 DOI: 10.1007/s12011-022-03100-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/04/2021] [Accepted: 01/02/2022] [Indexed: 11/30/2022]
Abstract
Novel three nickel(II) complexes of type [Ni(metf)(o-phen)2]Cl2 (1), [Ni(metf)(opda)2]Cl2 (2), [Ni(metf)(2-2'bipy)2]Cl2 (3), (Metf = metformin, o-phen = ortho-phenanthroline, opda = ortho-phenylenediamine, 2-2' bipy = 2-2' bipyridyl) were synthesized and characterized by various analytical and spectral techniques. Based on these studies, octahedral geometry is assigned to these complexes. The DNA binding properties of these complexes were investigated by absorption, emission, and viscosity studies. From the spectral data, it was concluded that the complexes bind to DNA through groove mode of binding. The intrinsic binding constants (Kb) from absorption spectroscopy were 1.60 × 104, 3.57 × 104, and 5.70 × 104 M-1 for 1, 2, and 3, respectively, and Stern-Volmer quenching constants (Ksv) from emission spectroscopy were 0.11, 0.87, and 0.24, respectively. Thermal degradation pattern of the compounds was studied and Coats-Redfern method is used to determine kinetic parameters for complexes 1, 2, and 3 from thermal studies. The software Discovery Studio 2.1 was used to assess the binding affinity and interaction pattern of complexes with the B-DNA receptor protein and complex 1 has the highest dock score.
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Affiliation(s)
- K Rajeshwari
- Department of Chemistry, Osmania University, Tarnaka, Hyderabad, Telangana State, 500007, India
- Department of Chemistry, University College for Women, Osmania University, Koti, Hyderabad, Telangana State, 500095, India
| | - P Vasantha
- Department of Chemistry, Osmania University, Tarnaka, Hyderabad, Telangana State, 500007, India
| | - B Sathish Kumar
- Department of Chemistry, Osmania University, Tarnaka, Hyderabad, Telangana State, 500007, India
| | - P V Anantha Lakshmi
- Department of Chemistry, Osmania University, Tarnaka, Hyderabad, Telangana State, 500007, India.
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5
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Qiao L, Tao Y, Yao W, Zhao J, Yan Y. A magnetic ionic liquid based vortex-assisted dispersive liquid-liquid microextraction coupled with back-extraction for the enrichment of fluoroquinolone antibiotics. J Pharm Biomed Anal 2022; 219:114903. [PMID: 35759827 DOI: 10.1016/j.jpba.2022.114903] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2022] [Revised: 06/16/2022] [Accepted: 06/18/2022] [Indexed: 11/17/2022]
Abstract
In the present work, a magnetic ionic liquid (MIL) ([Co(DMBG)2][Co(hfaca)3]) was designed and synthesized with both the cation and anion respectively containing a paramagnetic component. With the prepared MIL as the extraction solvent, a vortex-assisted dispersive liquid-liquid microextraction (VA-DLLME) method was developed and combined with back-extraction for the enrichment of five fluoroquinolone antibiotics (FQs). The MIL can be easily collected and separated from the aqueous phase under an external magnetic field due to the strong magnetic susceptibility and red color. Some experimental factors affecting the extraction efficiency were investigated, and the optimum extraction efficiency was obtained in a basic solution (pH=9) for the extraction process and with 2% (v/v) formic acid as the back-extraction solvent. Under the optimized extraction and back-extraction conditions, the proposed method was validated and exhibited good linearity with coefficients of determination (R2) above 0.9956 in the range of 2.5-800 ng·mL-1 and 5.0-800 ng·mL-1, low limits of detection (LODs) within 0.75-1.5 ng·mL-1 and satisfactory intra-day and inter-day precisions with relative standard deviations (RSDs) respectively less than 10.6% and 8.6%. Finally, the method was applied for the determination of five FQs in four samples of tap water, milk, honey and chicken, and good precision with RSDs of 0.5-9.5% and acceptable recoveries (73.8-114.3%) were obtained.
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Affiliation(s)
- Lizhen Qiao
- State Key Laboratory of Fine Chemicals, Dalian University of Technology, Dalian 116023, China; School of Chemical Engineering, Dalian University of Technology, Panjin 124221, China.
| | - Yuan Tao
- State Key Laboratory of Fine Chemicals, Dalian University of Technology, Dalian 116023, China; School of Chemical Engineering, Dalian University of Technology, Panjin 124221, China
| | - Wang Yao
- State Key Laboratory of Fine Chemicals, Dalian University of Technology, Dalian 116023, China; School of Chemical Engineering, Dalian University of Technology, Panjin 124221, China
| | - Jieyu Zhao
- Department of Environmental Engineering, Hebei University of Environmental Engineering, Qinhuangdao 066102, China
| | - Yang Yan
- State Key Laboratory of Fine Chemicals, Dalian University of Technology, Dalian 116023, China; School of Chemical Engineering, Dalian University of Technology, Panjin 124221, China.
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6
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Rusanov DA, Zou J, Babak MV. Biological Properties of Transition Metal Complexes with Metformin and Its Analogues. Pharmaceuticals (Basel) 2022; 15:ph15040453. [PMID: 35455450 PMCID: PMC9031419 DOI: 10.3390/ph15040453] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2022] [Revised: 03/29/2022] [Accepted: 04/01/2022] [Indexed: 12/12/2022] Open
Abstract
Metformin is a widely prescribed medication for the treatment and management of type 2 diabetes. It belongs to a class of biguanides, which are characterized by a wide range of diverse biological properties, including anticancer, antimicrobial, antimalarial, cardioprotective and other activities. It is known that biguanides serve as excellent N-donor bidentate ligands and readily form complexes with virtually all transition metals. Recent evidence suggests that the mechanism of action of metformin and its analogues is linked to their metal-binding properties. These findings prompted us to summarize the existing data on the synthetic strategies and biological properties of various metal complexes with metformin and its analogues. We demonstrated that coordination of biologically active biguanides to various metal centers often resulted in an improved pharmacological profile, including reduced drug resistance as well as a wider spectrum of activity. In addition, coordination to the redox-active metal centers, such as Au(III), allowed for various activatable strategies, leading to the selective activation of the prodrugs and reduced off-target toxicity.
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Affiliation(s)
- Daniil A. Rusanov
- Drug Discovery Lab, Department of Chemistry, City University of Hong Kong, 83 Tat Chee Avenue, Hong Kong SAR 999077, China; (D.A.R.); (J.Z.)
- Laboratory of Medicinal Chemistry, N. D. Zelinsky Institute of Organic Chemistry, Russian Academy of Sciences, Leninsky Avenue 47, 119991 Moscow, Russia
| | - Jiaying Zou
- Drug Discovery Lab, Department of Chemistry, City University of Hong Kong, 83 Tat Chee Avenue, Hong Kong SAR 999077, China; (D.A.R.); (J.Z.)
- Department of Biochemical Engineering, University College London, Bernard Katz Building, Gower Street, London WC1E 6BT, UK
| | - Maria V. Babak
- Drug Discovery Lab, Department of Chemistry, City University of Hong Kong, 83 Tat Chee Avenue, Hong Kong SAR 999077, China; (D.A.R.); (J.Z.)
- Correspondence:
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Metformin-Derived Water-Soluble Cobalt Complexes: Thermal, Spectroscopic, DNA Interaction, and Molecular Docking Studies. Appl Biochem Biotechnol 2022; 194:2650-2671. [PMID: 35235135 DOI: 10.1007/s12010-022-03862-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2021] [Accepted: 02/24/2022] [Indexed: 11/02/2022]
Abstract
Novel three water-soluble cobalt (II) complexes of type [Co(metf)(o-phen)2]Cl2 (1), [Co(metf)(opda)2]Cl2 (2), and [Co(metf)(2-2'bipy)2]Cl2 (3) (Metf, metformin; o-phen, ortho-phenanthroline; opda, ortho-phenylenediamine; 2,2'-bipy, 2,2'-bipyridine) were synthesized and characterized by various analytical and spectral techniques. Based on these studies, octahedral geometry is assigned to these complexes. The stability of the complexes has been calculated from quantum chemical parameters using HOMO-LUMO energies. Thermal degradation pattern of the compounds was studied and Coats-Redfern method is used to determine kinetic parameters for complexes 1, 2, and 3 from thermal studies. The DNA interaction of these complexes was investigated by absorption, emission, and viscosity studies. From the spectral data, it was concluded that the complexes bind to DNA through groove mode of binding. The intrinsic binding constants (Kb) from absorption spectroscopy were 2.49 × 104, 2.48 × 104, and 2.64 × 104 M-1 for 1, 2, and 3, respectively, and Stern-Volmer quenching constants (Ksv) from emission spectroscopy were 0.21, 0.20, and 0.13, respectively. These complexes were screened for nuclease activity of pUC19 DNA, in the presence of H2O2. Discovery studio 2.1 software was used to evaluate binding affinity and interaction pattern of complexes with B-DNA receptor protein and the maximum dock score is seen for complex 2.
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8
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Kirin V, Demkin A, Sukhikh T, Ilyicheva T, Maksakov V. Cobalt complexes with biguanide derivatives – Synthesis, structure and antiviral activity. J Mol Struct 2022. [DOI: 10.1016/j.molstruc.2021.131486] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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9
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Metal Complexes—A Promising Approach to Target Biofilm Associated Infections. Molecules 2022; 27:molecules27030758. [PMID: 35164021 PMCID: PMC8838073 DOI: 10.3390/molecules27030758] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2021] [Revised: 01/19/2022] [Accepted: 01/23/2022] [Indexed: 02/06/2023] Open
Abstract
Microbial biofilms are represented by sessile microbial communities with modified gene expression and phenotype, adhered to a surface and embedded in a matrix of self-produced extracellular polymeric substances (EPS). Microbial biofilms can develop on both prosthetic devices and tissues, generating chronic and persistent infections that cannot be eradicated with classical organic-based antimicrobials, because of their increased tolerance to antimicrobials and the host immune system. Several complexes based mostly on 3D ions have shown promising potential for fighting biofilm-associated infections, due to their large spectrum antimicrobial and anti-biofilm activity. The literature usually reports species containing Mn(II), Ni(II), Co(II), Cu(II) or Zn(II) and a large variety of multidentate ligands with chelating properties such as antibiotics, Schiff bases, biguanides, N-based macrocyclic and fused rings derivatives. This review presents the progress in the development of such species and their anti-biofilm activity, as well as the contribution of biomaterials science to incorporate these complexes in composite platforms for reducing the negative impact of medical biofilms.
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10
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Kassab RM, Gomha SM, Al-Hussain SA, Abo Dena AS, Abdel-Aziz MM, Zaki ME, Muhammad ZA. Synthesis and In-silico Simulation of Some New Bis-thiazole Derivatives and Their Preliminary Antimicrobial Profile: Investigation of Hydrazonoyl Chloride Addition to Hydroxy-Functionalized Bis-carbazones. ARAB J CHEM 2021. [DOI: 10.1016/j.arabjc.2021.103396] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022] Open
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11
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Hyun Kim J, Ofori S, Mertens RT, Parkin S, Awuah SG. Water-Soluble Gold(III)-Metformin Complex Alters Mitochondrial Bioenergetics in Breast Cancer Cells. ChemMedChem 2021; 16:3222-3230. [PMID: 34159760 PMCID: PMC8526394 DOI: 10.1002/cmdc.202100233] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2021] [Revised: 06/16/2021] [Indexed: 12/30/2022]
Abstract
Chemical control of mitochondrial dynamics and bioenergetics can unravel fundamental biological mechanisms and therapeutics for several diseases including, diabetes and cancer. We synthesized stable, water-soluble gold(III) complexes (Auraformin) supported by biguanide metformin or phenylmetformin for efficacious inhibition of mitochondrial respiration. The new compounds were characterized following the reaction of [C N]-cyclometalated gold(III) compounds with respective biguanides. Auraformin is solution stable in a physiologically relevant environment. We show that auraformin decreases mitochondrial respiration efficiently in comparison to the clinically used metformin by 100-fold. The compound displays significant mitochondrial uptake and induces antiproliferative activity in the micromolar range. Our results shed light on the development of new scaffolds as improved inhibitors of mitochondrial respiration.
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Affiliation(s)
- Jong Hyun Kim
- Department of Chemistry, University of Kentucky, 505 Rose Street, Lexington, KY 40506, USA
| | - Samuel Ofori
- Department of Chemistry, University of Kentucky, 505 Rose Street, Lexington, KY 40506, USA
| | - R Tyler Mertens
- Department of Chemistry, University of Kentucky, 505 Rose Street, Lexington, KY 40506, USA
| | - Sean Parkin
- Department of Chemistry, University of Kentucky, 505 Rose Street, Lexington, KY 40506, USA
| | - Samuel G Awuah
- Department of Chemistry, University of Kentucky, 505 Rose Street, Lexington, KY 40506, USA
- Department of Pharmaceutical Sciences, University of Kentucky, 789 South Limestone Street, Lexington, KY 40506, USA
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12
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Maxim C, Badea M, Rostas AM, Chifiriuc MC, Pircalabioru GG, Avram S, Olar R. Copper(II) species with 1‐(
o
‐tolyl)biguanide: Structural characterization, ROS scavenging, antibacterial activity, biocompatibility and in silico studies. Appl Organomet Chem 2021. [DOI: 10.1002/aoc.6471] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Affiliation(s)
- Catalin Maxim
- Faculty of Chemistry, Department of Inorganic Chemistry University of Bucharest Bucharest Romania
| | - Mihaela Badea
- Faculty of Chemistry, Department of Inorganic Chemistry University of Bucharest Bucharest Romania
| | - Arpad Mihai Rostas
- Laboratory of Atomic Structures and Defects in Advanced Materials, LASDAM National Institute of Materials Physics Măgurele Ilfov Romania
| | - Mariana Carmen Chifiriuc
- Faculty of Biology, Department of Microbiology University of Bucharest Bucharest Romania
- Academy of Romanian Scientists Bucharest Romania
| | | | - Speranța Avram
- Faculty of Biology, Department of Anatomy, Animal Physiology and Biophysics University of Bucharest Bucharest Romania
| | - Rodica Olar
- Faculty of Chemistry, Department of Inorganic Chemistry University of Bucharest Bucharest Romania
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Fadl A, Sadeek S, Magdy L, Abdou M, El-Shiwiniy W. Multi-functional epoxy composite coating incorporating mixed Cu(II) and Zr(IV) complexes of metformin and 2,2\-bipyridine as intensive network cross-linkers exhibiting anti-corrosion, self-healing and chemical-resistance performances for steel petroleum platforms. ARAB J CHEM 2021. [DOI: 10.1016/j.arabjc.2021.103367] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022] Open
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14
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Abdelrahman S, Alghrably M, Campagna M, Hauser CAE, Jaremko M, Lachowicz JI. Metal Complex Formation and Anticancer Activity of Cu(I) and Cu(II) Complexes with Metformin. Molecules 2021; 26:molecules26164730. [PMID: 34443319 PMCID: PMC8401132 DOI: 10.3390/molecules26164730] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/09/2021] [Revised: 07/27/2021] [Accepted: 07/29/2021] [Indexed: 01/13/2023] Open
Abstract
Metformin has been used for decades in millions of type 2 diabetes mellitus patients. In this time, correlations between metformin use and the occurrence of other disorders have been noted, as well as unpredictable metformin side effects. Diabetes is a significant cancer risk factor, but unexpectedly, metformin-treated diabetic patients have lower cancer incidence. Here, we show that metformin forms stable complexes with copper (II) ions. Both copper(I)/metformin and copper(II)/metformin complexes form adducts with glutathione, the main intracellular antioxidative peptide, found at high levels in cancer cells. Metformin reduces cell number and viability in SW1222 and K562 cells, as well as in K562-200 multidrug-resistant cells. Notably, the antiproliferative effect of metformin is enhanced in the presence of copper ions.
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Affiliation(s)
- Sherin Abdelrahman
- Laboratory for Nanomedicine, Division of Biological and Environmental Science and Engineering, King Abdullah University of Science and Technology, Thuwal 23955-6900, Saudi Arabia;
| | - Mawadda Alghrably
- Division of Biological and Environmental Sciences and Engineering (BESE), King Abdullah University of Science and Technology (KAUST), Thuwal 23955-6900, Saudi Arabia;
| | - Marcello Campagna
- Department of Medical Sciences and Public Health, University of Cagliari, Policlinico Universitario, 09124 Cagliari, Italy;
| | - Charlotte Armgard Emma Hauser
- Laboratory for Nanomedicine, Division of Biological and Environmental Science and Engineering, King Abdullah University of Science and Technology, Thuwal 23955-6900, Saudi Arabia;
- Correspondence: (C.A.E.H.); (M.J.); (J.I.L.)
| | - Mariusz Jaremko
- Laboratory for Nanomedicine, Division of Biological and Environmental Science and Engineering, King Abdullah University of Science and Technology, Thuwal 23955-6900, Saudi Arabia;
- Correspondence: (C.A.E.H.); (M.J.); (J.I.L.)
| | - Joanna Izabela Lachowicz
- Department of Medical Sciences and Public Health, University of Cagliari, Policlinico Universitario, 09124 Cagliari, Italy;
- Correspondence: (C.A.E.H.); (M.J.); (J.I.L.)
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15
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Meng X, Zhang X, Lei Y, Cao D, Wang Z. Biodegradable copper-metformin nanoscale coordination polymers for enhanced chemo/chemodynamic synergistic therapy by reducing oxygen consumption to promote H 2O 2 accumulation. J Mater Chem B 2021; 9:1988-2000. [PMID: 33511387 DOI: 10.1039/d0tb02476g] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023]
Abstract
Chemo/chemodynamic synergistic therapy is a promising strategy to improve the antitumor effect. However, hypoxia and a limited amount of hydrogen peroxide (H2O2) in the tumor microenvironment (TME) severely restrict the therapeutic efficacy of this combined treatment. Herein, we report biodegradable doxorubicin (Dox)-loaded copper-metformin (Met) nanoscale coordination polymers (Dox@Cu-Met NPs), which exert a chemo/chemodynamic synergistic therapeutic effect by reducing oxygen (O2) consumption to promote H2O2 accumulation in the tumor. Inside tumor cells, Met can inhibit the consumption of O2 to relieve tumor hypoxia by suppressing mitochondrial respiration. The alleviated-tumor hypoxia can not only elevate H2O2 content via the Dox-activated cascade reaction of nicotinamide adenine dinucleotide phosphate (NADPH) oxidases (NOXs) and superoxide dismutase (SOD), but also improve the efficacy of Dox. More importantly, the depletion of glutathione (GSH) accompanies the whole treatment process, which can realize the conversion of Cu2+ to Cu+ and boost reactive oxygen species (ROS) accumulation to improve chemodynamic therapy (CDT) efficacy. Meanwhile, Met is expected to cut off the energy supply by inhibiting respiration, leading to starvation therapy. In vivo investigations demonstrate that tumor growth is significantly inhibited through the enhanced chemo/chemodynamic synergistic treatment. This work provides a new paradigm for cancer therapy using an economical and straightforward method to construct a synergistic nanomedicine platform.
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Affiliation(s)
- Xiangyu Meng
- School of Chemistry and Chemical Engineering, Southeast University, Nanjing, 211189, Jiangsu, P. R. China.
| | - Xuezhong Zhang
- School of Chemistry and Chemical Engineering, Southeast University, Nanjing, 211189, Jiangsu, P. R. China.
| | - Yunfeng Lei
- School of Chemistry and Chemical Engineering, Southeast University, Nanjing, 211189, Jiangsu, P. R. China.
| | - Dongwei Cao
- Department of Nephrology, Nanjing Drum Tower Hospital, The Affiliated Hospital of Nanjing University Medical School, Nanjing, 210008, Jiangsu, P. R. China. and Department of Nephrology, Nanjing Drum Tower Hospital Clinical College of Nanjing Medical University, Nanjing, 210008, Jiangsu, P. R. China
| | - Zhifei Wang
- School of Chemistry and Chemical Engineering, Southeast University, Nanjing, 211189, Jiangsu, P. R. China.
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16
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Potential antidiabetic molecule involving a new chromium(III) complex of dipicolinic and metformin as a counter ion: Synthesis, structure, spectroscopy, and bioactivity in mice. ARAB J CHEM 2021. [DOI: 10.1016/j.arabjc.2021.103236] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022] Open
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17
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Cross-Linked Chitosan/Multi-Walled Carbon Nanotubes Composite as Ecofriendly Biocatalyst for Synthesis of Some Novel Benzil Bis-Thiazoles. Polymers (Basel) 2021; 13:polym13111728. [PMID: 34070526 PMCID: PMC8198799 DOI: 10.3390/polym13111728] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2021] [Revised: 05/22/2021] [Accepted: 05/22/2021] [Indexed: 11/17/2022] Open
Abstract
Aminohydrazide cross-linked chitosan (CLCS) and its MWCNTs (CLCS/MWCNTs) were formulated and utilized as a potent ecofriendly basic heterogeneous biocatalyst under ultrasonic irradiation for synthesis of two novel series of benzil bis-aryldiazenylthiazoles and benzil bis-arylhydrazonothiazolones from the reaction of benzil bis-thiosemicarbazone with 2-oxo-N′-arylpropanehydrazonoyl chlorides and ethyl 2-chloro-2-(2-phenylhydrazono) acetates, respectively. The chemical structures of the newly synthesized derivatives were elucidated by spectral data and alternative methods, where available. Additionally, their yield % was estimated using a traditional catalyst as TEA and green recyclable catalysts as CLCS and CLCS/MWCNTs composite in a comparative study. We observed that, under the same reaction conditions, the yield % of the desired products increased by changing TEA to CLCS then to CLCS/MWCNT from 72–78% to 79–83% to 84–87%, respectively. The thermal stability of the investigated samples could be arranged as CLCS/MWCNTs composite > CLCS > chitosan, where the weight losses of chitosan, CLCS and CLCS/MWCNTs composite at 500 °C were 65.46%, 57.95% and 53.29%, respectively.
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Kathuria D, Raul AD, Wanjari P, Bharatam PV. Biguanides: Species with versatile therapeutic applications. Eur J Med Chem 2021; 219:113378. [PMID: 33857729 DOI: 10.1016/j.ejmech.2021.113378] [Citation(s) in RCA: 21] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/21/2020] [Revised: 03/04/2021] [Accepted: 03/08/2021] [Indexed: 12/18/2022]
Abstract
Biguanides are compounds in which two guanidine moieties are fused to form a highly conjugated system. Biguanides are highly basic and hence they are available as salts mostly hydrochloride salts, these cationic species have been found to exhibit many therapeutic properties. This review covers the research and development carried out on biguanides and accounts the various therapeutic applications of drugs containing biguanide group-such as antimalarial, antidiabetic, antiviral, anticancer, antibacterial, antifungal, anti-tubercular, antifilarial, anti-HIV, as well as other biological activities. The aim of this review is to compile all the medicinal chemistry applications of this class of compounds so as to pave way for the accelerated efforts in finding the drug action mechanisms associated with this class of compounds. Importance has been given to the organic chemistry of these biguanide derivatives also.
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Affiliation(s)
- Deepika Kathuria
- University Center for Research and Development, Chandigarh University, Gharuan, Punjab, 140413, India
| | - Akshay D Raul
- Department of Medicinal Chemistry, National Institute of Pharmaceutical Education and Research (NIPER), Sector 67, S. A. S. Nagar, 160 062, Punjab, India
| | - Pravin Wanjari
- Department of Medicinal Chemistry, National Institute of Pharmaceutical Education and Research (NIPER), Sector 67, S. A. S. Nagar, 160 062, Punjab, India
| | - Prasad V Bharatam
- Department of Medicinal Chemistry, National Institute of Pharmaceutical Education and Research (NIPER), Sector 67, S. A. S. Nagar, 160 062, Punjab, India.
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19
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Badea M, Grecu MN, Chifiriuc MC, Bleotu C, Popa M, Iorgulescu EE, Avram S, Uivarosi V, Munteanu A, Ghica D, Olar R. Insight on Ni(II) and Cu(II) complexes of biguanide derivatives developed as effective antimicrobial and antitumour agents. Appl Organomet Chem 2021. [DOI: 10.1002/aoc.6155] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Affiliation(s)
- Mihaela Badea
- Faculty of Chemistry, Department of Inorganic Chemistry University of Bucharest Bucharest Romania
| | - Maria Nicoleta Grecu
- Materials Physics Division National Institute for Materials Physics Măgurele Romania
| | - Mariana Carmen Chifiriuc
- Faculty of Biology, Department of Microbiology University of Bucharest Bucharest Romania
- Biology Division Research Institute of the University of Bucharest, ICUB Bucharest Romania
| | - Coralia Bleotu
- Department of Virology Stefan S Nicolau Institute of Virology Bucharest Romania
| | - Marcela Popa
- Faculty of Biology, Department of Microbiology University of Bucharest Bucharest Romania
- Biology Division Research Institute of the University of Bucharest, ICUB Bucharest Romania
| | - Emilia Elena Iorgulescu
- Faculty of Chemistry, Department of Analytical Chemistry University of Bucharest Bucharest Romania
| | - Speranța Avram
- Faculty of Biology, Department of Anatomy, Animal Physiology and Biophysics University of Bucharest Bucharest Romania
| | - Valentina Uivarosi
- Faculty of Pharmacy, Department of General and Inorganic Chemistry Carol Davila University of Medicine and Pharmacy Bucharest Romania
| | - Alexandra‐Cristina Munteanu
- Faculty of Pharmacy, Department of General and Inorganic Chemistry Carol Davila University of Medicine and Pharmacy Bucharest Romania
| | - Daniela Ghica
- Materials Physics Division National Institute for Materials Physics Măgurele Romania
| | - Rodica Olar
- Faculty of Chemistry, Department of Inorganic Chemistry University of Bucharest Bucharest Romania
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20
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Loginova NV, Harbatsevich HI, Osipovich NP, Ksendzova GA, Koval’chuk TV, Polozov GI. Metal Complexes as Promising Agents for Biomedical Applications. Curr Med Chem 2020; 27:5213-5249. [DOI: 10.2174/0929867326666190417143533] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/21/2018] [Revised: 03/02/2019] [Accepted: 03/29/2019] [Indexed: 12/24/2022]
Abstract
Background::
In this review article, a brief overview of novel metallotherapeutic agents
(with an emphasis on the complexes of essential biometals) promising for medical application is
presented. We have also focused on the recent work carried out by our research team, specifically
the development of redox-active antimicrobial complexes of sterically hindered diphenols with some
essential biometals (copper, zinc, nickel).
Results::
The complexes of essential metals (manganese, iron, cobalt, nickel, copper, zinc) described
in the review show diverse in vitro biological activities, ranging from antimicrobial and antiinflammatory
to antiproliferative and enzyme inhibitory. It is necessary to emphasize that the type of
organic ligands in these metal complexes seems to be responsible for their pharmacological
activities. In the last decades, there has been a significant interest in synthesis and biological
evaluation of metal complexes with redox-active ligands. A substantial step in the development of
these redox-active agents is the study of their physicochemical and biological properties, including
investigations in vitro of model enzyme systems, which can provide evidence on a plausible
mechanism underlying the pharmacological activity. When considering the peculiarities of the
pharmacological activity of the sterically hindered diphenol derivatives and their nickel(II),
copper(II) and zinc(II) complexes synthesized, we took into account the following: (i) all these
compounds are potential antioxidants and (ii) their antimicrobial activity possibly results from their
ability to affect the electron-transport chain.
Conclusion::
We obtained novel data demonstrating that the level of antibacterial and antifungal
activity in the series of the above-mentioned metal-based antimicrobials depends not only on the
nature of the phenolic ligands and complexing metal ions, but also on the lipophilicity and reducing
ability of the ligands and metal complexes, specifically regarding the potential biotargets of their
antimicrobial action – ferricytochrome c and the superoxide anion radical. The combination of
antibacterial, antifungal and antioxidant activity allows one to consider these compounds as
promising substances for developing therapeutic agents with a broad spectrum of activities.
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Affiliation(s)
| | | | - Nikolai P. Osipovich
- Research Institute for Physico-Chemical Problems of the Belarusian State University, Minsk, Belarus
| | - Galina A. Ksendzova
- Research Institute for Physico-Chemical Problems of the Belarusian State University, Minsk, Belarus
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Sovari SN, Vojnovic S, Bogojevic SS, Crochet A, Pavic A, Nikodinovic-Runic J, Zobi F. Design, synthesis and in vivo evaluation of 3-arylcoumarin derivatives of rhenium(I) tricarbonyl complexes as potent antibacterial agents against methicillin-resistant Staphylococcus aureus (MRSA). Eur J Med Chem 2020; 205:112533. [PMID: 32739550 DOI: 10.1016/j.ejmech.2020.112533] [Citation(s) in RCA: 40] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2020] [Revised: 05/29/2020] [Accepted: 05/31/2020] [Indexed: 12/26/2022]
Abstract
We have prepared a series of ten 3-arylcoumarin molecules, their respective fac-[Re(CO)3(bpy)L]+ and fac-[Re(CO)3(L⁀L)Br] complexes and tested all compounds for their antimicrobial efficacy. Whereas the 3-arylcoumarin ligands are virtually inactive against the human-associated pathogens with minimum inhibitory concentrations (MICs) > 150 μM, when coordinated to the fac-[Re(CO)3]+ core, most of the resulting complexes showed remarkable antibacterial potency. Several rhenium complexes exhibit activity in nanomolar concentrations against Gram-positive pathogens such as Staphylococcus aureus strains, including methicillin-resistant S. aureus (MRSA) and Enterococcus faecium. The molecules do not affect bacterial cell membrane potential, but some of the most potent complexes strongly interact with DNA, indicating it as a possible target for their mode of action. In vivo studies in the zebrafish model showed that the complexes with anti-staphylococcal/MRSA activity were non-toxic to the organism even at much higher doses of the corresponding MICs. In the zebrafish-MRSA infection model, the complexes increased the survival rate of infected fish up to 100% and markedly reduced bacterial burden. Moreover, all rescued fish developed normally following the treatments with the metallic compounds.
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Affiliation(s)
- Sara Nasiri Sovari
- Department of Chemistry, University of Fribourg, Chemin Du Musée 10, 1700, Fribourg, Switzerland
| | - Sandra Vojnovic
- Institute of Molecular Genetics and Genetic Engineering, University of Belgrade, Vojvode Stepe 444a, 11042, Belgrade 152, Serbia
| | - Sanja Skaro Bogojevic
- Institute of Molecular Genetics and Genetic Engineering, University of Belgrade, Vojvode Stepe 444a, 11042, Belgrade 152, Serbia
| | - Aurelien Crochet
- Department of Chemistry, University of Fribourg, Chemin Du Musée 10, 1700, Fribourg, Switzerland
| | - Aleksandar Pavic
- Institute of Molecular Genetics and Genetic Engineering, University of Belgrade, Vojvode Stepe 444a, 11042, Belgrade 152, Serbia.
| | - Jasmina Nikodinovic-Runic
- Institute of Molecular Genetics and Genetic Engineering, University of Belgrade, Vojvode Stepe 444a, 11042, Belgrade 152, Serbia
| | - Fabio Zobi
- Department of Chemistry, University of Fribourg, Chemin Du Musée 10, 1700, Fribourg, Switzerland.
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22
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El-Shwiniy WH, Abbass LM, Sadeek SA, Zordok WA. Synthesis, Structure, and Biological Activity of Some Transition Metal Complexes with the Mixed Ligand of Metformin and 1,4-Diacetylbenzene. RUSS J GEN CHEM+ 2020. [DOI: 10.1134/s1070363220030238] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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23
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Nuţă I, Badea M, Chifiriuc MC, Bleotu C, Popa M, Daniliuc C, Olar R. Synthesis, physico‐chemical characterization and bioevaluation of Ni(II), Pd(II), and Pt(II) complexes with 1‐(
o
‐tolyl)biguanide: Antimicrobial and antitumor studies. Appl Organomet Chem 2020. [DOI: 10.1002/aoc.5807] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Affiliation(s)
- Ileana Nuţă
- Faculty of ChemistryUniversity of Bucharest 90‐92 Panduri Str. Bucharest 050663 Romania
| | - Mihaela Badea
- Faculty of ChemistryUniversity of Bucharest 90‐92 Panduri Str. Bucharest 050663 Romania
| | - Mariana Carmen Chifiriuc
- Faculty of BiologyUniversity of Bucharest 1‐3 Aleea Portocalelor Str. Bucharest 60101 Romania
- Life, Environment and Earth Sciences Department, Spl. Independentei 91‐95Research Institute of the University of Bucharest Bucharest Romania
| | - Coralia Bleotu
- Stefan S Nicolau Institute of Virology 285 Mihai Bravu Ave Bucharest Romania
| | - Marcela Popa
- Faculty of BiologyUniversity of Bucharest 1‐3 Aleea Portocalelor Str. Bucharest 60101 Romania
| | - Constantin‐Gabriel Daniliuc
- Organisch‐Chemisches InstitutWestfälische Wilhelms‐Universität Münster Corrensstrasse 40 Münster 48149 Germany
| | - Rodica Olar
- Faculty of ChemistryUniversity of Bucharest 90‐92 Panduri Str. Bucharest 050663 Romania
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24
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Dehmel M, Vass V, Prock L, Görls H, Kretschmer R. Synthesis and Coordination Chemistry of 3,4-Ethylene-Bridged 1,1,2,5-Tetrasubstituted Biguanides. Inorg Chem 2020; 59:2733-2746. [PMID: 32048512 DOI: 10.1021/acs.inorgchem.9b03093] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
The synthesis of 3,4-ethylene-bridged 1,1,2,5-tetrasubstituted biguanides is reported, which are accessible by three alternative routes. Exemplary molecular structures of the ligand and an observed side product have been elucidated by X-ray diffraction analysis. Mono- and dinuclear complexes of the biguanide in both its neutral and monoanionic forms were obtained, including examples of aluminum, copper, magnesium, potassium, tin, and zinc, indicating a versatile coordination behavior, as evidenced by means of single-crystal X-ray diffraction analysis.
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Affiliation(s)
- Maximilian Dehmel
- Institute of Inorganic and Analytical Chemistry (IAAC), Friedrich Schiller University Jena, Humboldtstraße 8, 07743 Jena, Germany
| | - Valentin Vass
- University of Regensburg, Institute of Inorganic Chemistry, Universitätsstrasse 31, 93053 Regensburg, Germany
| | - Lukas Prock
- University of Regensburg, Institute of Inorganic Chemistry, Universitätsstrasse 31, 93053 Regensburg, Germany
| | - Helmar Görls
- Institute of Inorganic and Analytical Chemistry (IAAC), Friedrich Schiller University Jena, Humboldtstraße 8, 07743 Jena, Germany
| | - Robert Kretschmer
- Institute of Inorganic and Analytical Chemistry (IAAC), Friedrich Schiller University Jena, Humboldtstraße 8, 07743 Jena, Germany.,Jena Center for Soft Matter (JCSM), Friedrich Schiller University Jena Philosophenweg 7, 07743 Jena, Germany
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25
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Mahmoud HK, Kassab RM, Gomha SM. Synthesis and characterization of some novel bis‐thiazoles. J Heterocycl Chem 2019. [DOI: 10.1002/jhet.3717] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Affiliation(s)
- Huda K. Mahmoud
- Department of Chemistry, Faculty of ScienceCairo University Giza Egypt
| | - Refaie M. Kassab
- Department of Chemistry, Faculty of ScienceCairo University Giza Egypt
| | - Sobhi M. Gomha
- Department of Chemistry, Faculty of ScienceCairo University Giza Egypt
- Department of Chemistry, Faculty of ScienceIslamic University in Almadinah Almonawara Almadinah Almonawara 42351 Saudi Arabia
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26
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Shekhar B, Vasantha P, Sathish Kumar B, Anantha Lakshmi P, Ravi Kumar V, Satyanarayana S. Chromium‐metformin ternary complexes: Thermal, DNA interaction and Docking studies. Appl Organomet Chem 2019. [DOI: 10.1002/aoc.5086] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- B. Shekhar
- Department of ChemistryOsmania University Tarnaka, Hyderabad Telangana State 500007 India
| | - P. Vasantha
- Department of ChemistryUniversity College for Women, Osmania University Koti, Hyderabad Telangana State 500095 India
| | - B. Sathish Kumar
- Department of ChemistryOsmania University Tarnaka, Hyderabad Telangana State 500007 India
| | - P.V. Anantha Lakshmi
- Department of ChemistryOsmania University Tarnaka, Hyderabad Telangana State 500007 India
| | - V. Ravi Kumar
- Department of ChemistryOsmania University Tarnaka, Hyderabad Telangana State 500007 India
| | - S. Satyanarayana
- Department of ChemistryOsmania University Tarnaka, Hyderabad Telangana State 500007 India
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27
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Pulsed Laser Deposited Biocompatible Lithium-Doped Hydroxyapatite Coatings with Antimicrobial Activity. COATINGS 2019. [DOI: 10.3390/coatings9010054] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/14/2023]
Abstract
Simple and lithium-doped biological-origin hydroxyapatite layers were synthesized by Pulsed Laser Deposition technique on medical grade Ti substrates. Cytotoxic effects of lithium addition and the biocompatibility of obtained coatings were assessed using three cell lines of human origin (new initiated dermal fibroblasts, immortalized keratinocytes HaCaT, and MG-63 osteosarcoma). Antimicrobial properties of obtained coatings were assessed on two strains (i.e., Staphylococcus aureus and Candida albicans), belonging to species representative for the etiology of medical devices biofilm-associated infections. Our findings suggest that synthesized lithium-doped coatings exhibited low cytotoxicity on human osteosarcoma and skin cells and therefore, an excellent biocompatibility, correlated with a long-lasting anti-staphylococcal and -fungal biofilm activity. Along with low fabrication costs generated by sustainable resources, these biological-derived materials demonstrate their promising potential for future prospective solutions—viable alternatives to commercially available biomimetic HA implants—for the fabrication of a new generation of implant coatings.
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28
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Chen F, Moat J, McFeely D, Clarkson G, Hands-Portman IJ, Furner-Pardoe JP, Harrison F, Dowson CG, Sadler PJ. Biguanide Iridium(III) Complexes with Potent Antimicrobial Activity. J Med Chem 2018; 61:7330-7344. [PMID: 30070838 DOI: 10.1021/acs.jmedchem.8b00906] [Citation(s) in RCA: 57] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/28/2023]
Abstract
We have synthesized novel organoiridium(III) antimicrobial complexes containing a chelated biguanide, including the antidiabetic drug metformin. These 16- and 18-electron complexes were characterized by NMR, ESI-MS, elemental analysis, and X-ray crystallography. Several of these complexes exhibit potent activity against Gram-negative bacteria and Gram-positive bacteria (including methicillin-resistant Staphylococcus aureus (MRSA)) and high antifungal potency toward C. albicans and C. neoformans, with minimum inhibitory concentrations (MICs) in the nanomolar range. Importantly, the complexes exhibit low cytotoxicity toward mammalian cells, indicating high selectivity. They are highly stable in broth medium, with a low tendency to generate resistance mutations. On coadministration, they can restore the activity of vancomycin against vancomycin-resistant Enterococci (VRE). Also the complexes can disrupt and eradicate bacteria in mature biofilms. Investigations of reactions with biomolecules suggest that these organometallic complexes deliver active biguanides into microorganisms, whereas the biguanides themselves are inactive when administered alone.
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29
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P V, B SK, B S, P V AL. Copper-metformin ternary complexes: Thermal, photochemosensitivity and molecular docking studies. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2018; 90:621-633. [PMID: 29853132 DOI: 10.1016/j.msec.2018.04.052] [Citation(s) in RCA: 20] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/01/2017] [Revised: 04/07/2018] [Accepted: 04/17/2018] [Indexed: 11/24/2022]
Abstract
The copper(II) complexes [Cu(Cl)2(met)(o-phen)] (1), [Cu(Cl)2(met)(en)] (2) and [Cu(Cl)2(met)(opda)] (3) (met = metformin, o-phen = ortho-phenanthroline, en = ethylenediamine, opda = ortho-phenylenediamine) were synthesized and characterized by LC-MS, elemental analysis, molar conductance, thermal analysis, infrared spectra, magnetic moment, electronic spectra and XRD studies. The metal center was found in an octahedral geometry. The activation thermodynamic properties were calculated using Coats-Redfern method. Thermal decomposition processes of complexes 1, 2, 3 are non-spontaneous, i.e., the complexes are thermally stable. The positive value of Gibbs free energy of decomposition (ΔG⁎) for the Cu(II) complexes is non-spontaneous processes. UV-Visible absorption, fluorescence, and viscosity measurements have been conducted to assess the interaction of the complexes with CT DNA. The complexes showed absorption hyperchromism in its UV-Vis spectrum with DNA. The binding constants Kb from UV-Vis absorption studies were 4.6 × 105, 1.48 × 105, 2.09 × 105 M-1 for 1, 2, 3 respectively and Stern-Volmer quenching constants (Ksq) from fluorescence studies were 0.636, 0.293, 0.487 for 1, 2, 3 respectively. Finally, viscosity measurements revealed that the binding of the complexes with CT-DNA could be surface binding, mainly due to groove binding. The activity of complexes towards DNA cleavage decreases in the order of 1 > 3 > 2. The complexes were docked in to B-DNA sequence, 5'(D*AP*CP*CP*GP*AP*CP*GP*TP*CP*GP*GP*T)-3' retrieved from protein data bank (PDB ID: 423D), using Discovery Studio 2.1 software.
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Affiliation(s)
- Vasantha P
- Department of Chemistry, University College for Women, Osmania University, Koti, Hyderabad, Telangana State 500095, India
| | - Sathish Kumar B
- Department of Chemistry, University College for Women, Osmania University, Koti, Hyderabad, Telangana State 500095, India; Department of Chemistry, Osmania University, Tarnaka, Hyderabad, Telangana State 500007, India
| | - Shekhar B
- Department of Chemistry, University College for Women, Osmania University, Koti, Hyderabad, Telangana State 500095, India; Department of Chemistry, Osmania University, Tarnaka, Hyderabad, Telangana State 500007, India
| | - Anantha Lakshmi P V
- Department of Chemistry, Osmania University, Tarnaka, Hyderabad, Telangana State 500007, India; Department of Chemistry, University College of Technology, Osmania University, Tarnaka, Hyderabad, Telangana State 500007, India.
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30
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Dong J, Liu B, Liang G, Yang B. Synthesis, biological activity and toxicity of chromium(III) metformin complex as potential insulin-mimetic agent in C57BL/6 mice. J COORD CHEM 2018. [DOI: 10.1080/00958972.2018.1459580] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Affiliation(s)
- Jinlong Dong
- Key Laboratory of Chemical Biology of Molecular Engineering of Education Ministry, Institute of Molecular Science, Shanxi University, Taiyuan, China
- Department of Chemistry, Taiyuan Normal University, Taiyuan, China
| | - Bin Liu
- Key Laboratory of Chemical Biology of Molecular Engineering of Education Ministry, Institute of Molecular Science, Shanxi University, Taiyuan, China
| | - Gang Liang
- Department of Pathology, First Hospital of Shanxi Medical University, Taiyuan, China
| | - Binsheng Yang
- Key Laboratory of Chemical Biology of Molecular Engineering of Education Ministry, Institute of Molecular Science, Shanxi University, Taiyuan, China
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31
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Zalaru C, Dumitrascu F, Draghici C, Tarcomnicu I, Tatia R, Moldovan L, Chifiriuc MC, Lazar V, Marinescu M, Nitulescu MG, Ferbinteanu M. Synthesis, spectroscopic characterization, DFT study and antimicrobial activity of novel alkylaminopyrazole derivatives. J Mol Struct 2018. [DOI: 10.1016/j.molstruc.2017.11.073] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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32
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Gutiérrez Ojeda SJ, Salazar Kuri U, Bernès S, Pérez-Benítez A. (Metformin-κ 2N, N′)(salicylato-κ 2O, O′)copper(II) trihydrate. IUCRDATA 2018. [DOI: 10.1107/s2414314618001803] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022] Open
Abstract
The hydrous title complex [systematic name: (1,1-dimethylbiguanide-κ2N2,N4)(2-oxidobenzoato-κ2O,O′)copper(II) trihydrate], [Cu(C7H4O3)(C4H11N5)]·3H2O, was synthesized electrolytically from an ethanolic solution of metformin hydrochloride, acetylsalicylic acid, Pepto-Bismol and a copper sacrificial anode. Diffraction data were collected at 0.56 Å resolution, allowing the accurate determination of H-atom positions in the neutral metformin ligand. Both imine groups in metformin have very similar N=C bond lengths, 1.2978 (17) and 1.3033 (17) Å, and the salicylate dianion behaves as a chelating ligand. The coordination sphere of the copper(II) cation deviates marginally from a square-planar arrangement. In the crystal, short Cu...Cu separations of 3.5476 (3) Å are observed, along with classical hydrogen-bonding interactions.
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33
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Shekhar B, Vasantha P, Sathish Kumar B, Anantha Lakshmi P. Multispectroscopic DNA interaction and Docking studies. Appl Organomet Chem 2018. [DOI: 10.1002/aoc.4254] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
Affiliation(s)
- B. Shekhar
- Department of Chemistry; University College for Women, Osmania University; Koti Hyderabad Telangana State 500095 India
- Department of Chemistry; Osmania University; Tarnaka Hyderabad Telangana State 500007 India
| | - P. Vasantha
- Department of Chemistry; University College for Women, Osmania University; Koti Hyderabad Telangana State 500095 India
| | - B. Sathish Kumar
- Department of Chemistry; University College for Women, Osmania University; Koti Hyderabad Telangana State 500095 India
- Department of Chemistry; Osmania University; Tarnaka Hyderabad Telangana State 500007 India
| | - P.V. Anantha Lakshmi
- Department of Chemistry; Osmania University; Tarnaka Hyderabad Telangana State 500007 India
- Department of Chemistry; University College of Technology, Osmania University; Tarnaka Hyderabad Telangana State 500007 India
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34
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Vasantha P, Sathish Kumar B, Shekhar B, Anantha Lakshmi P. Cobalt(II)–metformin complexes containing α‐diimine/α‐diamine as auxiliary ligand: DNA binding properties. Appl Organomet Chem 2017. [DOI: 10.1002/aoc.4074] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- P. Vasantha
- Department of ChemistryUniversity College for Women, Osmania University Koti, Hyderabad Telangana State 500095 India
| | - B. Sathish Kumar
- Department of ChemistryUniversity College for Women, Osmania University Koti, Hyderabad Telangana State 500095 India
- Department of ChemistryOsmania University Tarnaka, Hyderabad Telangana State 500007 India
| | - B. Shekhar
- Department of ChemistryUniversity College for Women, Osmania University Koti, Hyderabad Telangana State 500095 India
| | - P.V. Anantha Lakshmi
- Department of ChemistryUniversity College for Women, Osmania University Koti, Hyderabad Telangana State 500095 India
- Department of ChemistryOsmania University Tarnaka, Hyderabad Telangana State 500007 India
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Măruţescu L, Calu L, Chifiriuc MC, Bleotu C, Daniliuc CG, Fălcescu D, Kamerzan CM, Badea M, Olar R. Synthesis, Physico-chemical Characterization, Crystal Structure and Influence on Microbial and Tumor Cells of Some Co(II) Complexes with 5,7-Dimethyl-1,2,4-triazolo[1,5-a]pyrimidine. MOLECULES (BASEL, SWITZERLAND) 2017; 22:molecules22071233. [PMID: 28737690 PMCID: PMC6152184 DOI: 10.3390/molecules22071233] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/22/2017] [Revised: 07/19/2017] [Accepted: 07/19/2017] [Indexed: 01/07/2023]
Abstract
Three complexes, namely [Co(dmtp)₂(OH₂)₄][CoCl₄] (1), [Co(dmtp)₂Cl₂] (2) and [Co(dmtp)₂(OH₂)₄]Cl₂∙2H₂O (3) (dmtp: 5,7-dimethyl-1,2,4-triazolo[1,5-a]pyrimidine), were synthesized and characterized by spectral (IR, UV-Vis-NIR), and magnetic measurements at room temperature, as well as single crystal X-ray diffraction. Complex (1) crystallizes in monoclinic system (space group C2/c), complex (2) adopts an orthorhombic system (space group Pbca), and complex (3) crystallizes in triclinic system (space group P1). Various types of extended hydrogen bonds and π-π interactions provide a supramolecular architecture for all complexes. All species were evaluated for antimicrobial activity towards planktonic and biofilm-embedded microbial cells and influence on HEp-2 cell viability, cellular cycle and gene expression.
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Affiliation(s)
- Luminiţa Măruţescu
- Department of Microbiology, Faculty of Biology, University of Bucharest, 1-3 Aleea Portocalelor Str., 60101 Bucharest, Romania.
- Environment and Earth Sciences Department, Research Institute of the University of Bucharest-ICUB, Life, Spl. Independentei 91-95, 010271 Bucharest, Romania.
| | - Larisa Calu
- Department of Inorganic Chemistry, Faculty of Chemistry, University of Bucharest, 90-92 Panduri Str., 050663 Bucharest, Romania.
| | - Mariana Carmen Chifiriuc
- Department of Microbiology, Faculty of Biology, University of Bucharest, 1-3 Aleea Portocalelor Str., 60101 Bucharest, Romania.
- Environment and Earth Sciences Department, Research Institute of the University of Bucharest-ICUB, Life, Spl. Independentei 91-95, 010271 Bucharest, Romania.
| | - Coralia Bleotu
- Stefan S Nicolau Institute of Virology, 285 Mihai Bravu Ave., 030304 Bucharest, Romania.
| | - Constantin-Gabriel Daniliuc
- Organisch-Chemisches Institut, Westfälische Wilhelms-Universität Münster, Corrensstrasse 40, 48149 Münster, Germany.
| | - Denisa Fălcescu
- Department of Inorganic Chemistry, Faculty of Chemistry, University of Bucharest, 90-92 Panduri Str., 050663 Bucharest, Romania.
| | - Crina Maria Kamerzan
- Department of Microbiology, Faculty of Biology, University of Bucharest, 1-3 Aleea Portocalelor Str., 60101 Bucharest, Romania.
- Environment and Earth Sciences Department, Research Institute of the University of Bucharest-ICUB, Life, Spl. Independentei 91-95, 010271 Bucharest, Romania.
| | - Mihaela Badea
- Department of Inorganic Chemistry, Faculty of Chemistry, University of Bucharest, 90-92 Panduri Str., 050663 Bucharest, Romania.
| | - Rodica Olar
- Department of Inorganic Chemistry, Faculty of Chemistry, University of Bucharest, 90-92 Panduri Str., 050663 Bucharest, Romania.
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Rojas S, Devic T, Horcajada P. Metal organic frameworks based on bioactive components. J Mater Chem B 2017; 5:2560-2573. [DOI: 10.1039/c6tb03217f] [Citation(s) in RCA: 144] [Impact Index Per Article: 20.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
This review highlights the latest advances of Metal Organic Frameworks (MOFs) in the promising biomedical domain, from their synthesis to their biorelated activities.
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Affiliation(s)
- S. Rojas
- Institut Lavoisier
- CNRS UMR8180m Université de Versailles. 45
- Av. Des Etats Unis 78035 Versailles Cedex
- France
| | - T. Devic
- Institut des Matériaux Jean Rouxel
- UMR 6502 CNRS Université de Nantes
- 44322 Nantes cedex 3
- France
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37
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Refat MS, Al-Azab FM, Al-Maydama HMA, Amin RR, Jamil YMS, Kobeasy MI. Synthesis, spectroscopic and antimicrobial studies of La(III), Ce(III), Sm(III) and Y(III) Metformin HCl chelates. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2015; 142:392-404. [PMID: 25723566 DOI: 10.1016/j.saa.2015.01.096] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/04/2014] [Revised: 01/08/2015] [Accepted: 01/29/2015] [Indexed: 06/04/2023]
Abstract
Metal complexes of Metformin hydrochloride were prepared using La(III), Ce(III), Sm(III) and Y(III). The resulting complexes were discussed and synthesized to serve as potential insulin-mimetic. Some physical properties and analytical data of the four complexes were checked. The elemental analysis shows that La(III), Ce(III) Sm(III) and Y(III) formed complexes with Metformin in 1:3 (metal:MF) molar ratio. All the synthesized complexes are white and possess high melting points. These complexes are soluble in dimethylsulfoxide and dimethylformamide, partially soluble in hot methanol and insoluble in water and some other organic solvents. From the spectroscopic (infrared, UV-vis and florescence), effective magnetic moment and elemental analyses data, the formula structures are suggested. The results obtained suggested that Metformin reacted with metal ions as a bidentate ligand through its two imino groups. The molar conductance measurements proved that the Metformin complexes are slightly electrolytic in nature. The kinetic thermodynamic parameters such as: E(∗), ΔH(∗), ΔS(∗) and ΔG(∗) were estimated from the DTG curves. The antibacterial evaluations of the Metformin and their complexes were also performed against some gram positive, negative bacteria as well as fungi.
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Affiliation(s)
- Moamen S Refat
- Department of Chemistry, Faculty of Science, Taif University, Al-Hawiah, Taif, P.O. Box 888, 21974, Saudi Arabia; Department of Chemistry, Faculty of Science, Port Said University, Port Said, Egypt.
| | - Fathi M Al-Azab
- Department of Chemistry, Faculty of Science, Sana'a University, Yemen
| | | | | | - Yasmin M S Jamil
- Department of Chemistry, Faculty of Science, Sana'a University, Yemen
| | - Mohamed I Kobeasy
- Department of Chemistry, Faculty of Science, Taif University, Al-Hawiah, Taif, P.O. Box 888, 21974, Saudi Arabia; Faculty of Agriculture, Biochemistry Department, Cairo University, Giza, Egypt
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Repiščák P, Erhardt S, Rena G, Paterson MJ. Biomolecular mode of action of metformin in relation to its copper binding properties. Biochemistry 2014; 53:787-95. [PMID: 24433134 DOI: 10.1021/bi401444n] [Citation(s) in RCA: 39] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
Metformin (Metf), the most commonly used type 2 diabetes drug, is known to affect the cellular housekeeping of copper. Recently, we discovered that the structurally closely related propanediimidamide (PDI) shows a cellular behavior different from that of Metf. Here we investigate the binding of these compounds to copper, to compare their binding strength. Furthermore, we take a closer look at the electronic properties of these compounds and their copper complexes such as molecular orbital interactions and electrostatic potential surfaces. Our results clearly show that the copper binding energies cannot alone be the cause of the biochemical differentiation between Metf and PDI. We conclude that other factors such as pKa values and hydrophilicity of the compounds play a crucial role in their cellular activity. Metf in contrast to PDI can occur as an anion in aqueous medium at moderate pH, forming much stronger complexes particularly with Cu(II) ions, suggesting that biguanides but not PDI may induce easy oxidation of Cu(I) ions extracted from proteins. The higher hydrophobicity and the lack of planarity of PDI may further differentiate it from biguanides in terms of their molecular recognition characteristics. These different properties could hold the key to metformin's mitochondrial activity because they suggest that the drug could act at least in part as a pro-oxidant of accessible protein-bound Cu(I) ions.
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Affiliation(s)
- Peter Repiščák
- Institute of Chemical Sciences, School of Engineering and Physical Sciences, Heriot-Watt University , Edinburgh, United Kingdom EH14 4AS
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Spampinato C, Leonardi D. Candida infections, causes, targets, and resistance mechanisms: traditional and alternative antifungal agents. BIOMED RESEARCH INTERNATIONAL 2013; 2013:204237. [PMID: 23878798 PMCID: PMC3708393 DOI: 10.1155/2013/204237] [Citation(s) in RCA: 188] [Impact Index Per Article: 17.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/08/2013] [Revised: 06/06/2013] [Accepted: 06/06/2013] [Indexed: 11/25/2022]
Abstract
The genus Candida includes about 200 different species, but only a few species are human opportunistic pathogens and cause infections when the host becomes debilitated or immunocompromised. Candida infections can be superficial or invasive. Superficial infections often affect the skin or mucous membranes and can be treated successfully with topical antifungal drugs. However, invasive fungal infections are often life-threatening, probably due to inefficient diagnostic methods and inappropriate initial antifungal therapies. Here, we briefly review our current knowledge of pathogenic species of the genus Candida and yeast infection causes and then focus on current antifungal drugs and resistance mechanisms. An overview of new therapeutic alternatives for the treatment of Candida infections is also provided.
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Affiliation(s)
- Claudia Spampinato
- Departamento de Química Biológica, Facultad de Ciencias Bioquímicas y Farmacéuticas, Universidad Nacional de Rosario (UNR), Suipacha 531, 2000 Rosario, Argentina
- Centro de Estudios Fotosintéticos y Bioquímicos (CEFOBI, UNR-CONICET), Suipacha 531, 2000 Rosario, Argentina
| | - Darío Leonardi
- Departamento de Tecnología Farmacéutica, Facultad de Ciencias Bioquímicas y Farmacéuticas, Universidad Nacional de Rosario (UNR), Suipacha 531, 2000 Rosario, Argentina
- Instituto de Química Rosario (IQUIR, UNR-CONICET), Suipacha 531, 2000 Rosario, Argentina
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Trouillas P, Marchetti C, Bonnefont-Rousselot D, Lazzaroni R, Jore D, Gardès-Albert M, Collin F. Mechanism of one-electron oxidation of metformin in aqueous solution. Phys Chem Chem Phys 2013; 15:9871-8. [DOI: 10.1039/c3cp50602a] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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41
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Syntheses, crystal structures and properties of copper(II) complexes of 1-amidinoisourea and biguanide nitrates. Polyhedron 2012. [DOI: 10.1016/j.poly.2012.06.029] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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42
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Raman N, Sobha S. Developing biologically active compounds having efficient DNA binding and cleavage activity: spectroscopic investigation. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2012; 93:250-259. [PMID: 22484260 DOI: 10.1016/j.saa.2012.03.024] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/19/2011] [Revised: 03/05/2012] [Accepted: 03/09/2012] [Indexed: 05/31/2023]
Abstract
A new series of novel o-acetoacetotoluidide derived Schiff base and its metal complexes have been synthesized and structurally characterized. Elemental analysis, magnetic and spectroscopic data suggest that the complexes have octahedral geometry. Binding of these complexes with CT-DNA has been analyzed by absorption spectra, viscosity, cyclicvoltammetry and molecular docking analysis. Detailed analysis reveals that the metal complexes intercalate into the DNA base stack as intercalators. All the metal complexes cleave the pBR322 DNA upon irradiation. Antibacterial and antifungal activities of the ligand and its metal complexes are also explored and it has been observed that the complexes exhibit excellent activity against all types of bacteria and fungi than the ligand.
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Affiliation(s)
- Natarajan Raman
- Research Department of Chemistry, VHNSN College, Virudhunagar-626 001, India.
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Affiliation(s)
- Meenu Puri
- a University Institute of Engineering & Technology , Panjab University , Chandigarh , -160014 , India
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44
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Synthesis, structure elucidation, DNA interaction, biological evaluation, and molecular docking of an isatin-derived tyramine bidentate Schiff base and its metal complexes. MONATSHEFTE FUR CHEMIE 2012. [DOI: 10.1007/s00706-011-0699-8] [Citation(s) in RCA: 30] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/14/2022]
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45
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Limban C, Marutescu L, Chifiriuc MC. Synthesis, spectroscopic properties and antipathogenic activity of new thiourea derivatives. Molecules 2011; 16:7593-607. [PMID: 21900862 PMCID: PMC6264380 DOI: 10.3390/molecules16097593] [Citation(s) in RCA: 34] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2011] [Revised: 08/29/2011] [Accepted: 09/01/2011] [Indexed: 11/16/2022] Open
Abstract
A number of acylthioureas, 2-((4-methylphenoxy)methyl)-N-(aryl-carbamothioyl)benzamides (aryl = 3,5-dichlorophenyl, 2,3-dichlorophenyl, 3,4-dichloro-phenyl, 2,4,5-trichlorophenyl, 3,4,5-trichlorophenyl, 2-bromophenyl, 2,4-dibromophenyl, 2,5-dibromophenyl, 2-iodophenyl, 3-fluorophenyl, 2,3,4-trifluorophenyl, 2,4,5-trifluoro-phenyl, 2,4,6-trifluorophenyl) have been synthesized, characterized by elemental analysis, IR and NMR spectroscopy and tested for their interaction with bacterial cells in free and adherent state. The anti-pathogenic activity was correlated with the presence of one iodine, bromide or fluorine, and two or three chloride atoms on the N-phenyl substituent of the thiourea moiety, being significant especially on Pseudomonas aeruginosa and Staphylococcus aureus strains, known for their ability to grow in biofilms. Our results demonstrate the potential of these derivatives for further development of novel anti-microbial agents with antibiofilm properties.
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Affiliation(s)
- Carmen Limban
- Pharmaceutical Chemistry Department, University of Medicine and Pharmacy Carol Davila, Bucharest, Romania; E-Mail:
| | - Luminita Marutescu
- Microbiology Department, Faculty of Biology, University of Bucharest, Ale. Portocalelor 1-4, Bucharest 60101, Romania; E-Mail:
| | - Mariana Carmen Chifiriuc
- Microbiology Department, Faculty of Biology, University of Bucharest, Ale. Portocalelor 1-4, Bucharest 60101, Romania; E-Mail:
- National Institute for Research and Development in Microbiology and Immunology “Cantacuzino”, Spl. Independentei 103, Bucharest 060031, Romania
- Author to whom correspondence should be addressed; E-Mail:
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Wang K, Yin Y, Li C, Geng Z, Wang Z. Facile synthesis of zinc(ii)-carboxylate coordination polymer particles and their luminescent, biocompatible and antibacterial properties. CrystEngComm 2011. [DOI: 10.1039/c1ce05705g] [Citation(s) in RCA: 25] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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