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Faleye OS, Boya BR, Lee JH, Choi I, Lee J. Halogenated Antimicrobial Agents to Combat Drug-Resistant Pathogens. Pharmacol Rev 2023; 76:90-141. [PMID: 37845080 DOI: 10.1124/pharmrev.123.000863] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2023] [Revised: 08/07/2023] [Accepted: 09/29/2023] [Indexed: 10/18/2023] Open
Abstract
Antimicrobial resistance presents us with a potential global crisis as it undermines the abilities of conventional antibiotics to combat pathogenic microbes. The history of antimicrobial agents is replete with examples of scaffolds containing halogens. In this review, we discuss the impacts of halogen atoms in various antibiotic types and antimicrobial scaffolds and their modes of action, structure-activity relationships, and the contributions of halogen atoms in antimicrobial activity and drug resistance. Other halogenated molecules, including carbohydrates, peptides, lipids, and polymeric complexes, are also reviewed, and the effects of halogenated scaffolds on pharmacokinetics, pharmacodynamics, and factors affecting antimicrobial and antivirulence activities are presented. Furthermore, the potential of halogenation to circumvent antimicrobial resistance and rejuvenate impotent antibiotics is addressed. This review provides an overview of the significance of halogenation, the abilities of halogens to interact in biomolecular settings and enhance pharmacological properties, and their potential therapeutic usages in preventing a postantibiotic era. SIGNIFICANCE STATEMENT: Antimicrobial resistance and the increasing impotence of antibiotics are critical threats to global health. The roles and importance of halogen atoms in antimicrobial drug scaffolds have been established, but comparatively little is known of their pharmacological impacts on drug resistance and antivirulence activities. This review is the first to extensively evaluate the roles of halogen atoms in various antibiotic classes and pharmacological scaffolds and to provide an overview of their ability to overcome antimicrobial resistance.
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Affiliation(s)
- Olajide Sunday Faleye
- School of Chemical Engineering (O.S.F., B.R.B., J.-H.L., J.L.) and Department of Medical Biotechnology (I.C.), Yeungnam University, Gyeongsan, Republic of Korea
| | - Bharath Reddy Boya
- School of Chemical Engineering (O.S.F., B.R.B., J.-H.L., J.L.) and Department of Medical Biotechnology (I.C.), Yeungnam University, Gyeongsan, Republic of Korea
| | - Jin-Hyung Lee
- School of Chemical Engineering (O.S.F., B.R.B., J.-H.L., J.L.) and Department of Medical Biotechnology (I.C.), Yeungnam University, Gyeongsan, Republic of Korea
| | - Inho Choi
- School of Chemical Engineering (O.S.F., B.R.B., J.-H.L., J.L.) and Department of Medical Biotechnology (I.C.), Yeungnam University, Gyeongsan, Republic of Korea
| | - Jintae Lee
- School of Chemical Engineering (O.S.F., B.R.B., J.-H.L., J.L.) and Department of Medical Biotechnology (I.C.), Yeungnam University, Gyeongsan, Republic of Korea
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Fathalla RK, Engel M, Ducho C. Targeting the binding pocket of the fluorophore 8-anilinonaphthalene-1-sulfonic acid in the bacterial enzyme MurA. Arch Pharm (Weinheim) 2023; 356:e2300237. [PMID: 37464574 DOI: 10.1002/ardp.202300237] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2023] [Revised: 06/22/2023] [Accepted: 06/23/2023] [Indexed: 07/20/2023]
Abstract
8-Anilinonaphthalene-1-sulfonic acid (ANS) has been extensively used as a fluorescent probe to detect conformational changes of proteins. It has been cocrystallized with several of the proteins it is used to monitor, including the bacterial cell wall synthesis enzyme MurA. MurA catalyzes the first committed step of peptidoglycan biosynthesis, converting UDP-N-acetylglucosamine (UDP-GlcNAc) into enolpyruvyl UDP-GlcNAc. It has been reported before that ANS binds to MurA from Enterobacter cloacae without inhibiting the enzyme's activity up to a concentration of 1 mM ANS. In this study, we present evidence that ANS inhibits the activity of several isoforms of MurA with IC50 values of 18, 22, and 31 µM against wild-type Escherichia coli, C115D E. coli, and E. cloacae MurA, respectively. This prompted us to test a larger series of structural analogs of ANS for the inhibition of these MurA enzymes, which led to the discovery of compound 26. This ANS analog showed enhanced inhibition of MurA (WT and C115D MurA from E. coli, and E. cloacae MurA) with IC50 values of 2.7, 10, and 14 µM, respectively. Based on our results, the ANS binding pocket was identified as a novel target site for the development of potential antibiotics.
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Affiliation(s)
- Reem K Fathalla
- Department of Pharmacy, Pharmaceutical and Medicinal Chemistry, Saarland University, Saarbrücken, Germany
| | - Matthias Engel
- Department of Pharmacy, Pharmaceutical and Medicinal Chemistry, Saarland University, Saarbrücken, Germany
| | - Christian Ducho
- Department of Pharmacy, Pharmaceutical and Medicinal Chemistry, Saarland University, Saarbrücken, Germany
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Raina D, Kumar C, Kumar V, Khan IA, Saran S. Potential Inhibitors Targeting Escherichia coli UDP-N-Acetylglucosamine Enolpyruvyl Transferase (MurA): An Overview. Indian J Microbiol 2022; 62:11-22. [PMID: 35068599 PMCID: PMC8758813 DOI: 10.1007/s12088-021-00988-6] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/06/2021] [Accepted: 10/12/2021] [Indexed: 11/28/2022] Open
Abstract
Antibiotic resistance is one of the biggest challenges that is escalating and affecting humanity across the globe. To overcome this increasing burden of resistance, discovering novel hits by targeting the enzymes involved in peptidoglycan (murein) biosynthesis has always been considered better in antimicrobial drug discovery. UDP-N-acetylglucosamine enolpyruvyl transferase (MurA) enzyme has been identified as essential for Escherichia coli survival and catalyzes the early-stage step in bacterial cell wall synthesis. The present article gives a brief overview of the role of enzymes in peptidoglycan synthesis and MurA enzyme (previously known as MurZ in E. coli), in particular, including its structural and active site features. This review also provides an insight into the current knowledge of the reported MurA inhibitors, their mechanism of action and drawbacks of these hits that hinder their clinical trials, which would be helpful for synthesis and discovering potent molecules. SUPPLEMENTARY INFORMATION The online version contains supplementary material available at 10.1007/s12088-021-00988-6.
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Affiliation(s)
- Diksha Raina
- Fermentation and Microbial Biotechnology Division, CSIR-Indian Institute of Integrative Medicine, Canal Road, Jammu Tawi, 180001 India ,Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, 201002 India
| | - Chetan Kumar
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, 201002 India ,Natural Product and Medicinal Chemistry Division, CSIR-Indian Institute of Integrative Medicine, Canal Road, Jammu Tawi, 180001 India
| | - Vinod Kumar
- Fermentation and Microbial Biotechnology Division, CSIR-Indian Institute of Integrative Medicine, Canal Road, Jammu Tawi, 180001 India ,Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, 201002 India
| | - Inshad Ali Khan
- Department of Microbiology, School of Life Sciences, Central University of Rajasthan, Ajmer, Rajasthan 305817 India
| | - Saurabh Saran
- Fermentation and Microbial Biotechnology Division, CSIR-Indian Institute of Integrative Medicine, Canal Road, Jammu Tawi, 180001 India ,Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, 201002 India
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Perez-Rodriguez Z, Alvarez O, Rodríguez-Negrin Z, Calvo AM, Valdés-Negrín HL, Pérez-Rodríguez M. Comprehensive Certification of the Furvina Production by Modeling Quality Control Parameters. J Pharm Innov 2021. [DOI: 10.1007/s12247-021-09589-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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5
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Screening of compound library identifies novel inhibitors against the MurA enzyme of Escherichia coli. Appl Microbiol Biotechnol 2021; 105:3611-3623. [PMID: 33860835 DOI: 10.1007/s00253-021-11272-4] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2020] [Revised: 03/27/2021] [Accepted: 04/05/2021] [Indexed: 11/27/2022]
Abstract
Bacterial cell has always been an attractive target for anti-infective drug discovery. MurA (UDP-N-acetylglucosamine enolpyruvyl transferase) enzyme of Escherichia coli (E.coli) is crucial for peptidoglycan biosynthetic pathway, as it is involved in the early stages of bacterial cell wall biosynthesis. In the present study we aim to identify novel chemical structures targeting the MurA enzyme. For screening purpose, we used in silico approach (pharmacophore based strategy) for 52,026 library compounds (Chembridge, Chemdiv and in house synthetics) which resulted in identification of 50 compounds. These compounds were screened in vitro against MurA enzyme and release of inorganic phosphate (Pi) was estimated. Two compounds (IN00152 and IN00156) were found to inhibit MurA enzyme > 70% in primary screening and IC50 of 14.03 to 32.30 μM respectively. These two hits were further evaluated for their mode of inhibition studies and whole-cell activity where we observed 2-4 folds increase in activity in presence of Permeabilizer EDTA (Ethylenediaminetetraacetic acid). Combination studies were also performed with known antibiotics in presence of EDTA. Hits are reported for the first time against this target and our report also support the use of OM permeabilizer in combination with antibacterial compounds to address the permeability and efficacy issue. These lead hits can be further optimized for drug discovery. KEY POINTS: • Emerging Gram negative resistant strains is a matter of concern. • Need for new screening strategies to cope with drying up antibiotics pipeline. • Outer membrane permeabilizers could be useful to improve potency of molecules to reach its target.
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2-(2-Methyl-2-nitrovinyl)furan but Not Furvina Interfere with Staphylococcus aureus Agr Quorum-Sensing System and Potentiate the Action of Fusidic Acid against Biofilms. Int J Mol Sci 2021; 22:ijms22020613. [PMID: 33435417 PMCID: PMC7827229 DOI: 10.3390/ijms22020613] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2020] [Revised: 12/31/2020] [Accepted: 01/06/2021] [Indexed: 11/16/2022] Open
Abstract
Quorum sensing (QS) plays an essential role in the production of virulence factors, in biofilm formation and antimicrobial resistance. Consequently, inhibiting QS is being considered a promising target for antipathogenic/anti-virulence therapies. This study aims to screen 2-nitrovinylfuran derivatives structurally related to Furvina (a broad-spectrum antibiotic already used for therapeutic purposes) for their effects on QS and in biofilm prevention/control. Furvina and four 2-nitrovinylfuran derivatives (compounds 1–4) were tested to assess the ability to interfere with QS of Staphylococcus aureus using bioreporter strains (S. aureus ALC1742 and ALC1743). The activity of Furvina and the most promising quorum-sensing inhibitor (QSI) was evaluated in biofilm prevention and in biofilm control (combined with fusidic acid). The biofilms were further characterized in terms of biofilm mass, viability and membrane integrity. Compound 2 caused the most significant QS inhibition with reductions between 60% and 80%. Molecular docking simulations indicate that this compound interacts preferentially with the protein hydrophobic cleft in the LytTR domain of AgrA pocket. Metabolic inactivations of 40% for S. aureus ALC1742 and 20% for S. aureus ALC1743 were reached. A 24 h-old biofilm formed in the presence of the QSI increased the metabolic inactivation by fusidic acid to 80%, for both strains. The overall results highlight the effects of compound 2 as well as the potential of combining QSI with in-use antibiotics for the management of skin and soft tissues infections.
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Stability, biological and biopharmaceutical evaluation of the inclusion complexes of the antifungal and antiprotozoal drug candidate 2-(2-nitrovinyl) furan (G-0) with beta cyclodextrin derivatives. J Drug Deliv Sci Technol 2020. [DOI: 10.1016/j.jddst.2020.101767] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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Shan L, Wenling Q, Mauro P, Stefano B. Antibacterial Agents Targeting the Bacterial Cell Wall. Curr Med Chem 2020; 27:2902-2926. [PMID: 32003656 DOI: 10.2174/0929867327666200128103653] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2019] [Revised: 10/16/2019] [Accepted: 10/23/2019] [Indexed: 11/22/2022]
Abstract
The introduction of antibiotics to treat bacterial infections either by killing or blocking their growth has been accompanied by the studies of mechanism that allows the drugs to kill the bacteria or to stop their proliferation. In such a scenario, the emergence of antibacterial agents active on the bacterial cell wall has been of fundamental importance in the fight against bacterial agents responsible for severe diseases. As a matter of fact, the cell wall, which plays many roles during the lifecycle, is an essential constituent of most bacteria. This overview focuses on the intracellular steps of peptidoglycan biosynthesis and the research of new antibacterial agents based on the enzymes involved in these early steps of the formation of cell membrane components.
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Affiliation(s)
- Li Shan
- Chongqing Key Laboratory of Natural Product Synthesis and Drug Research, School of Pharmaceutical Sciences, Chongqing University, 401331 Chongqing, China
| | - Qin Wenling
- Chongqing Key Laboratory of Natural Product Synthesis and Drug Research, School of Pharmaceutical Sciences, Chongqing University, 401331 Chongqing, China
| | - Panunzio Mauro
- Isof-CNR Chemistry Department, Via Selmi, 2, 40126 Bologna, Italy
| | - Biondi Stefano
- BioVersys AG, C/o Technologiepark Basel, Hochbergerstrasse 60c, CH- 4057 Basel, Switzerland
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Helal AM, Sayed AM, Omara M, Elsebaei MM, Mayhoub AS. Peptidoglycan pathways: there are still more! RSC Adv 2019; 9:28171-28185. [PMID: 35530449 PMCID: PMC9071014 DOI: 10.1039/c9ra04518j] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2019] [Accepted: 08/22/2019] [Indexed: 11/21/2022] Open
Abstract
The discovery of 3rd and 4th generations of currently existing classes of antibiotics has not hindered bacterial resistance, which is escalating at an alarming global level. This review follows WHO recommendations through implementing new criteria for newly discovered antibiotics. These recommendations focus on abandoning old scaffolds and hitting new targets. In light of these recommendations, this review discusses seven bacterial proteins that no commercial antibiotics have targeted yet, alongside their reported chemical scaffolds.
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Affiliation(s)
- Ahmed M Helal
- Department of Pharmaceutical Organic Chemistry, College of Pharmacy, Al-Azhar University Cairo 11884 Egypt
| | - Ahmed M Sayed
- Department of Pharmaceutical Organic Chemistry, College of Pharmacy, Al-Azhar University Cairo 11884 Egypt
| | - Mariam Omara
- Department of Pharmaceutical Organic Chemistry, College of Pharmacy, Al-Azhar University Cairo 11884 Egypt
| | - Mohamed M Elsebaei
- Department of Pharmaceutical Organic Chemistry, College of Pharmacy, Al-Azhar University Cairo 11884 Egypt
| | - Abdelrahman S Mayhoub
- Department of Pharmaceutical Organic Chemistry, College of Pharmacy, Al-Azhar University Cairo 11884 Egypt
- University of Science and Technology, Zewail City of Science and Technology Giza Egypt
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10
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Ajiboye TO. Contributions of reactive oxygen species, oxidative DNA damage and glutathione depletion to the sensitivity of Acinetobacter baumannii to 2-(2-nitrovinyl) furan. Microb Pathog 2019; 128:342-346. [PMID: 30682524 DOI: 10.1016/j.micpath.2019.01.034] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/26/2018] [Revised: 01/16/2019] [Accepted: 01/22/2019] [Indexed: 12/28/2022]
Abstract
2-(2-nitrovinyl) furan is a broad-spectrum antibacterial agent with activity against Gram-positive and Gram-negative bacteria. In this study, the contributions of reactive oxygen species, oxidative DNA damage and glutathione depletion to its activity against Acinetobacter baumannii was investigated. Inactivation of sodB, katG and recA lowered the minimum inhibitory concentration of 2-(2-nitrovinyl) furan. Furthermore, the inactivation increased the superoxide anion radical and hydrogen peroxide contents of 2-(2-nitrovinyl) furan-treated A. baumannii. Antioxidant (thiourea) reversed the elevated levels of superoxide anion radical and hydrogen peroxide. In addition, thiourea lowered the susceptibility of A. baumannii to 2-(2-nitrovinyl) furan. 2-(2-nitrovinyl) furan depleted reduced glutathione (GSH) contents of parental, sodB, katG and recA strains of A. baumannii. NAD+/NADH ratio parental, sodB, katG and recA strains of A. baumannii exposed to 2-(2-nitrovinyl) furan increased significantly. Inactivation of type-I NADH dehydrogenase lowered the reactive oxygen species generation in 2-(2-nitrovinyl) furan-treated A. baumannii. It is evident from this study that 2-(2-nitrovinyl) furan stimulates respiratory chain activity of A. baumannii leading to enhanced ROS generation, which depletes GSH and reacts with Fe2+ to produce hydroxyl radical that damage DNA.
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Affiliation(s)
- T O Ajiboye
- Antioxidants, Redox Biology and Toxicology Research Group, Department of Medical Biochemistry, College of Health Sciences, Nile University of Nigeria, FCT-Abuja, Nigeria.
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Ajiboye T. 2-(2-Nitrovinyl) furan exacerbates oxidative stress response of Escherichia coli to bacteriostatic and bactericidal antibiotics. Microb Pathog 2018; 116:130-134. [DOI: 10.1016/j.micpath.2018.01.010] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/26/2017] [Revised: 01/02/2018] [Accepted: 01/07/2018] [Indexed: 12/11/2022]
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Borges A, Sousa P, Gaspar A, Vilar S, Borges F, Simões M. Furvina inhibits the 3-oxo-C12-HSL-based quorum sensing system of Pseudomonas aeruginosa and QS-dependent phenotypes. BIOFOULING 2017; 33:156-168. [PMID: 28140677 DOI: 10.1080/08927014.2017.1280732] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/26/2016] [Accepted: 12/23/2016] [Indexed: 06/06/2023]
Abstract
Disruption of cell-cell communication or quorum sensing (QS) is considered a stimulating approach for reducing bacterial pathogenicity and resistance. Although several QS inhibitors (QSIs) have been discovered so far their clinical use remains distant. This problem can be circumvented by searching for QSI among drugs already approved for the treatment of different diseases. In this context, antibiotics have earned special attention. Whereas at high concentrations antibiotics exert a killing effect, at lower concentrations they may act as signaling molecules and as such can modulate gene expression. In this study, the antibiotic furvina was shown to be able to cause inhibition of the 3-oxo-C12-HSL-dependent QS system of Pseudomonas aeruginosa. Furvina interacts with the LasI/LasR system. The data were validated by modeling studies. Furvina can also reduce biofilm formation and decrease the production of QS-controlled virulence factors.
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Affiliation(s)
- Anabela Borges
- a LEPABE, Department of Chemical Engineering, Faculty of Engineering , University of Porto , Porto , Portugal
- b CIQ-UP, Department of Chemistry and Biochemistry, Faculty of Sciences , University of Porto , Porto , Portugal
- c CECAV-Veterinary and Animal Science Research Center, Department of Veterinary Science , University of Trás-os-Montes e Alto Douro , Vila Real , Portugal
| | - Pedro Sousa
- a LEPABE, Department of Chemical Engineering, Faculty of Engineering , University of Porto , Porto , Portugal
| | - Alexandra Gaspar
- b CIQ-UP, Department of Chemistry and Biochemistry, Faculty of Sciences , University of Porto , Porto , Portugal
| | - Santiago Vilar
- d Department of Biomedical Informatics , Columbia University , New York , USA
- e Department of Organic Chemistry, Faculty of Pharmacy , University of Santiago de Compostela , Santiago de Compostela , Spain
| | - Fernanda Borges
- b CIQ-UP, Department of Chemistry and Biochemistry, Faculty of Sciences , University of Porto , Porto , Portugal
| | - Manuel Simões
- a LEPABE, Department of Chemical Engineering, Faculty of Engineering , University of Porto , Porto , Portugal
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Allas UL, Toom L, Selyutina A, Mäeorg U, Medina R, Merits A, Rinken A, Hauryliuk V, Kaldalu N, Tenson T. Antibacterial activity of the nitrovinylfuran G1 (Furvina) and its conversion products. Sci Rep 2016; 6:36844. [PMID: 27830730 PMCID: PMC5103279 DOI: 10.1038/srep36844] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2016] [Accepted: 10/20/2016] [Indexed: 11/24/2022] Open
Abstract
2-Bromo-5-(2-bromo-2-nitrovinyl)furan (G1 or Furvina) is an antimicrobial with a direct reactivity against thiol groups. It is active against Gram-positive and Gram-negative bacteria, yeasts and filamentous fungi. By reacting with thiol groups it causes direct damage to proteins but, as a result, is very short-living and interconverts into an array of reaction products. Our aim was to characterize thiol reactivity of G1 and its conversion products and establish how much of antimicrobial and cytotoxic effects are due to the primary activity of G1 and how much can be attributed to its reaction products. Stability of G1 in growth media as well as its conversion in the presence of thiols was characterized. The structures of G1 decomposition products were determined using NMR and mass-spectroscopy. Concentration- and time-dependent killing curves showed that G1 is bacteriostatic for Escherichia coli at the concentration of 16 μg/ml and bactericidal at 32 μg/ml. However, G1 is inefficient against non-growing E. coli. Addition of cysteine to medium reduces the antimicrobial potency of G1. Nevertheless, the reaction products of G1 and cysteine enabled prolonged antimicrobial action of the drug. Therefore, the activity of 2-bromo-5-(2-bromo-2-nitrovinyl)furan is a sum of its immediate reactivity and the antibacterial effects of the conversion products.
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Affiliation(s)
- U Lar Allas
- University of Tartu, Institute of Technology, Nooruse 1, Tartu 50411, Estonia
| | - Lauri Toom
- University of Tartu, Institute of Technology, Nooruse 1, Tartu 50411, Estonia
| | - Anastasia Selyutina
- University of Tartu, Institute of Technology, Nooruse 1, Tartu 50411, Estonia
| | - Uno Mäeorg
- Institute of Chemistry, University of Tartu, Ravila 14a, Tartu 50411, Estonia
| | - Ricardo Medina
- Universidad Central "Marta Abreu" de Las Villas, Santa Clara, Cuba
| | - Andres Merits
- University of Tartu, Institute of Technology, Nooruse 1, Tartu 50411, Estonia
| | - Ago Rinken
- Institute of Chemistry, University of Tartu, Ravila 14a, Tartu 50411, Estonia
| | - Vasili Hauryliuk
- University of Tartu, Institute of Technology, Nooruse 1, Tartu 50411, Estonia.,Department of Molecular Biology, Umeå University, Umeå, Sweden.,Laboratory for Molecular Infection Medicine Sweden, Umeå University, Umeå, Sweden
| | - Niilo Kaldalu
- University of Tartu, Institute of Technology, Nooruse 1, Tartu 50411, Estonia
| | - Tanel Tenson
- University of Tartu, Institute of Technology, Nooruse 1, Tartu 50411, Estonia
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Involvement of oxidative stress in bactericidal activity of 2-(2-nitrovinyl) furan against Escherichia coli, Pseudomonas aeruginosa and Staphylococcus aureus. Microb Pathog 2016; 91:107-14. [DOI: 10.1016/j.micpath.2015.11.020] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2015] [Revised: 11/11/2015] [Accepted: 11/19/2015] [Indexed: 12/21/2022]
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15
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Eliseenko SS, Makarenko SV, Berestovitskaya VM. Furan-containing gem-bromonitroethenes: Synthesis and reaction with morpholine. RUSS J GEN CHEM+ 2015. [DOI: 10.1134/s1070363215060110] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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16
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Sifontes-Rodríguez S, Monzote-Fidalgo L, Castañedo-Cancio N, Montalvo-Álvarez AM, López-Hernández Y, Diogo NM, Infante-Bourzac JF, Pérez-Martín O, Meneses-Marcel A, García-Trevijano JAE, Cabrera-Pérez MÁ. The efficacy of 2-nitrovinylfuran derivatives against Leishmania in vitro and in vivo. Mem Inst Oswaldo Cruz 2015; 110:166-73. [PMID: 25946239 PMCID: PMC4489446 DOI: 10.1590/0074-02760140324] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/03/2014] [Accepted: 01/26/2015] [Indexed: 11/22/2022] Open
Abstract
Despite recent advances in the treatment of some forms of leishmaniasis, the
available drugs are still far from ideal due to inefficacy, parasite resistance,
toxicity and cost. The wide-spectrum antimicrobial activity of 2-nitrovinylfuran
compounds has been described, as has their activity against Trichomonas vaginalis and
other protozoa. Thus, the aim of this study was to test the antileishmanial
activities of six 2-nitrovinylfurans in vitro and in a murine model of leishmaniasis.
Minimum parasiticide concentration (MPC) and 50% inhibitory concentration
(IC50) values for these compounds against the promastigotes of
Leishmania amazonensis, Leishmania infantum and Leishmania braziliensis were
determined, as were the efficacies of two selected compounds in an experimental model
of cutaneous leishmaniasis (CL) caused by L. amazonensis in BALB/c mice. All of the
compounds were active against the promastigotes of the three Leishmania species
tested. IC50 and MPC values were in the ranges of 0.8-4.7 µM and 1.7-32
µM, respectively. The compounds 2-bromo-5-(2-bromo-2-nitrovinyl)-furan (furvina) and
2-bromo-5-(2-methyl-2-nitrovinyl)-furan (UC245) also reduced lesion growth in vivo at
a magnitude comparable to or higher than that achieved by amphotericin B treatment.
The results demonstrate the potential of this class of compounds as antileishmanial
agents and support the clinical testing of Dermofural(r) (a
furvina-containing antifungal ointment) for the treatment of CL.
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Affiliation(s)
- Sergio Sifontes-Rodríguez
- Centro de Bioactivos Químicos, Universidad Central Martha Abreu de Las Villas, Santa Clara, Villa Clara, Cuba
| | | | - Nilo Castañedo-Cancio
- Centro de Bioactivos Químicos, Universidad Central Martha Abreu de Las Villas, Santa Clara, Villa Clara, Cuba
| | | | - Yamilé López-Hernández
- Centro de Biociencias, Universidad Autónoma de San Luis Potosí, San Luis Potosí, SLP, México
| | - Niurka Mollineda Diogo
- Centro de Bioactivos Químicos, Universidad Central Martha Abreu de Las Villas, Santa Clara, Villa Clara, Cuba
| | | | | | - Alfredo Meneses-Marcel
- Centro de Bioactivos Químicos, Universidad Central Martha Abreu de Las Villas, Santa Clara, Villa Clara, Cuba
| | | | - Miguel Ángel Cabrera-Pérez
- Centro de Bioactivos Químicos, Universidad Central Martha Abreu de Las Villas, Santa Clara, Villa Clara, Cuba
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Ajiboye TO, Alabi KA, Ariyo FA, Adeleye AO, Ojewuyi OB, Balogun A, Sunmonu TO. 2-(2-Nitrovinyl)furan Promotes Oxidation of Cellular Proteins, Lipids, and DNA of Male Rat Liver and Kidney. J Biochem Mol Toxicol 2014; 29:114-22. [DOI: 10.1002/jbt.21674] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/18/2014] [Revised: 09/09/2014] [Accepted: 09/14/2014] [Indexed: 11/05/2022]
Affiliation(s)
- T. O. Ajiboye
- Antioxidants, Free Radicals, Functional Foods and Toxicology Research Laboratory; Department of Biological Sciences; Al-Hikmah University; Ilorin Nigeria
| | - K. A. Alabi
- Industrial and Environmental Unit; Department of Chemical Sciences; Fountain University; Osogbo Nigeria
| | - F. A. Ariyo
- Antioxidants, Free Radicals and Toxicology Research Laboratory; Biochemistry and Nutrition Unit; Department of Chemical Sciences; Fountain University; Osogbo Nigeria
| | - A. O. Adeleye
- Antioxidants, Free Radicals and Toxicology Research Laboratory; Biochemistry and Nutrition Unit; Department of Chemical Sciences; Fountain University; Osogbo Nigeria
| | - O. B. Ojewuyi
- Antioxidants, Free Radicals, Functional Foods and Toxicology Research Laboratory; Department of Biological Sciences; Al-Hikmah University; Ilorin Nigeria
| | - A. Balogun
- Antioxidants, Free Radicals, Functional Foods and Toxicology Research Laboratory; Department of Biological Sciences; Al-Hikmah University; Ilorin Nigeria
| | - T. O. Sunmonu
- Plant Biochemistry and Phytomedicine Laboratory; Department of Biological Sciences; Al-Hikmah University; Ilorin Nigeria
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Jöst C, Nitsche C, Scholz T, Roux L, Klein CD. Promiscuity and selectivity in covalent enzyme inhibition: a systematic study of electrophilic fragments. J Med Chem 2014; 57:7590-9. [PMID: 25148591 DOI: 10.1021/jm5006918] [Citation(s) in RCA: 115] [Impact Index Per Article: 11.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
Abstract
Covalent ligand-target interactions offer significant pharmacological advantages. However, off-target reactivity of the reactive groups, which usually have electrophilic properties, must be minimized, and the selectivity of irreversible inhibitors is a crucial requirement. We therefore performed a systematic study to determine the selectivity of several electrophilic groups that can be used as building blocks for covalently binding ligands. Six reactive groups with modulated electrophilicity were combined with 11 nonreactive moieties, resulting in a small combinatorial library of 72 fragment-like compounds. These compounds were screened against a group of 11 enzyme targets to assess their selectivity and their potential for promiscuous binding to proteins. The assay results showed a considerably lower degree of promiscuity than initially expected, even for those members of the screening collection that contain supposedly highly reactive electrophiles.
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Affiliation(s)
- Christian Jöst
- Medicinal Chemistry, Institute of Pharmacy and Molecular Biotechnology IPMB, Heidelberg University , Im Neuenheimer Feld 364, D-69120 Heidelberg, Germany
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Comparisons of Halogenated β-Nitrostyrenes as Antimicrobial Agents. APPLIED SCIENCES-BASEL 2014. [DOI: 10.3390/app4030380] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
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Hrast M, Sosič I, Sink R, Gobec S. Inhibitors of the peptidoglycan biosynthesis enzymes MurA-F. Bioorg Chem 2014; 55:2-15. [PMID: 24755374 DOI: 10.1016/j.bioorg.2014.03.008] [Citation(s) in RCA: 67] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2014] [Revised: 03/23/2014] [Accepted: 03/24/2014] [Indexed: 01/12/2023]
Abstract
The widespread emergence of resistant bacterial strains is becoming a serious threat to public health. This thus signifies the need for the development of new antibacterial agents with novel mechanisms of action. Continuous efforts in the design of novel antibacterials remain one of the biggest challenges in drug development. In this respect, the Mur enzymes, MurA-F, that are involved in the formation of UDP-N-acetylmuramyl-pentapeptide can be genuinely considered as promising antibacterial targets. This review provides an in-depth insight into the recent developments in the field of inhibitors of the MurA-F enzymes. Special attention is also given to compounds that act as multiple inhibitors of two, three or more of the Mur enzymes. Moreover, the reasons for the lack of preclinically successful inhibitors and the challenges to overcome these hurdles in the next years are also debated.
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Affiliation(s)
- Martina Hrast
- Faculty of Pharmacy, University of Ljubljana, Aškerčeva 7, 1000 Ljubljana, Slovenia
| | - Izidor Sosič
- Faculty of Pharmacy, University of Ljubljana, Aškerčeva 7, 1000 Ljubljana, Slovenia
| | - Roman Sink
- Faculty of Pharmacy, University of Ljubljana, Aškerčeva 7, 1000 Ljubljana, Slovenia
| | - Stanislav Gobec
- Faculty of Pharmacy, University of Ljubljana, Aškerčeva 7, 1000 Ljubljana, Slovenia.
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