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Nawaz T, Tajammal A, Qurashi AW, Nisa MU, Binjawhar DN, Iqbal M. Synthesis, antibacterial, antibiofilm, and docking studies of chalcones against multidrug resistance pathogens. Heliyon 2024; 10:e30618. [PMID: 39044977 PMCID: PMC11263648 DOI: 10.1016/j.heliyon.2024.e30618] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2023] [Revised: 04/22/2024] [Accepted: 04/30/2024] [Indexed: 07/25/2024] Open
Abstract
The escalating threat of drug-resistant microbes underscores the urgent need for novel antimicrobial agents. In response, considerable research effort has been directed towards developing innovative frameworks and strategies to address this challenge. Chalcones, known for their broad-spectrum biological activities, have emerged as promising candidates for combating drug resistance. In this study, a series of 2'-Hydroxychalcones (5a, 5b, 5c, and 5d) with varying electron withdrawing and donating groups were synthesized via Claisen Schmidt condensation. FT-IR, 1H NMR, and 13C NMR analyses were employed to confirm the structure of the synthesized compounds. Subsequent evaluation of the synthesized compounds revealed their potential as antibacterial and antibiofilm agents. Notably, compounds 5a and 5d exhibited potent antibacterial activity against multidrug-resistant (MDR) bacteria E. coli, P. aeruginosa, K. pneumoniae, and S. aureus, surpassing the reference drug Ciprofloxacin (30 μg/mL) and other synthesized compounds. Compound 5d showed a notable 19.5 mm zone of inhibition against K. pneumoniae. Furthermore, 5a (at a concentration of 30 μg) and 5d (at a concentration of 50 μg) exhibited statistically significant (P > 0.05) biofilm inhibition efficacy compared to Ciprofloxacin (30 μg/mL). The synthesized chalcones 5a-5d were also docked via PachDock molecular docking software for Glucosamine-6-phosphate (GlcN-6-P) synthase inhibition and showed that ligand 5a exhibited outstanding results with score 4238 and ACE value -160.89 kcal/mol, consistent with the observed antibacterial activity. These findings underscore the potential of chalcones, particularly 5a and 5d, as promising candidates for the development of new antimicrobial agents targeting drug-resistant microbes and biofilm formation.
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Affiliation(s)
- Tariq Nawaz
- Department of Chemistry, Lahore Garrison University, Pakistan
| | - Affifa Tajammal
- Department of Chemistry, Lahore Garrison University, Pakistan
| | | | - Mehr-un Nisa
- Department of Chemistry, The University of Lahore, 1-km Defence Road, Lahore, Pakistan
| | - Dalal Nasser Binjawhar
- Department of Chemistry, College of Science, Princess Nourah bint Abdulrahman University, P.O. Box 84428, Riyadh, 11671, Saudi Arabia
| | - Munawar Iqbal
- School of Chemistry, University of the Punjab, Lahore 54590, Pakistan
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2
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Perz M, Krawczyk-Łebek A, Dymarska M, Janeczko T, Kostrzewa-Susłow E. Biotransformation of Flavonoids with -NO 2, -CH 3 Groups and -Br, -Cl Atoms by Entomopathogenic Filamentous Fungi. Int J Mol Sci 2023; 24:9500. [PMID: 37298456 PMCID: PMC10254066 DOI: 10.3390/ijms24119500] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/02/2023] [Revised: 05/24/2023] [Accepted: 05/27/2023] [Indexed: 06/12/2023] Open
Abstract
Combining chemical and microbiological methods using entomopathogenic filamentous fungi makes obtaining flavonoid glycosides possible. In the presented study, biotransformations were carried out in cultures of Beauveria bassiana KCH J1.5, Isaria fumosorosea KCH J2, and Isaria farinosa KCH J2.6 strains on six flavonoid compounds obtained in chemical synthesis. As a result of the biotransformation of 6-methyl-8-nitroflavanone using the strain I. fumosorosea KCH J2, two products were obtained: 6-methyl-8-nitro-2-phenylchromane 4-O-β-D-(4″-O-methyl)-glucopyranoside and 8-nitroflavan-4-ol 6-methylene-O-β-D-(4″-O-methyl)-glucopyranoside. 8-Bromo-6-chloroflavanone was transformed by this strain to 8-bromo-6-chloroflavan-4-ol 4'-O-β-D-(4″-O-methyl)-glucopyranoside. As a result of microbial transformation by I. farinosa KCH J2.6 effectively biotransformed only 8-bromo-6-chloroflavone into 8-bromo-6-chloroflavone 4'-O-β-D-(4″-O-methyl)-glucopyranoside. B. bassiana KCH J1.5 was able to transform 6-methyl-8-nitroflavone to 6-methyl-8-nitroflavone 4'-O-β-D-(4″-O-methyl)-glucopyranoside, and 3'-bromo-5'-chloro-2'-hydroxychalcone to 8-bromo-6-chloroflavanone 3'-O-β-D-(4″-O-methyl)-glucopyranoside. None of the filamentous fungi used transformed 2'-hydroxy-5'-methyl-3'-nitrochalcone effectively. Obtained flavonoid derivatives could be used to fight against antibiotic-resistant bacteria. To the best of our knowledge, all the substrates and products presented in this work are new compounds and are described for the first time.
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Affiliation(s)
- Martyna Perz
- Department of Food Chemistry and Biocatalysis, Faculty of Biotechnology and Food Science, Wrocław University of Environmental and Life Sciences, 50-375 Wrocław, Poland; (A.K.-Ł.); (M.D.); (T.J.)
| | | | | | | | - Edyta Kostrzewa-Susłow
- Department of Food Chemistry and Biocatalysis, Faculty of Biotechnology and Food Science, Wrocław University of Environmental and Life Sciences, 50-375 Wrocław, Poland; (A.K.-Ł.); (M.D.); (T.J.)
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Dos Santos ATL, de Araújo-Neto JB, Costa da Silva MM, Paulino da Silva ME, Carneiro JNP, Fonseca VJA, Coutinho HDM, Bandeira PN, Dos Santos HS, da Silva Mendes FR, Sales DL, Morais-Braga MFB. Synthesis of chalcones and their antimicrobial and drug potentiating activities. Microb Pathog 2023; 180:106129. [PMID: 37119940 DOI: 10.1016/j.micpath.2023.106129] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2023] [Revised: 04/24/2023] [Accepted: 04/27/2023] [Indexed: 05/01/2023]
Abstract
The increased resistance of microorganisms to antimicrobial drugs makes it necessary to search for new active compounds, such as chalcones. Their simple chemical structure makes them molecules easy to synthesize. Therefore, the aim of this study was to evaluate the antimicrobial and potentiating activity of antibiotics and antifungals by synthetic chalcones against strains of Escherichia coli, Staphylococcus aureus, Pseudomonas aeruginosa, Candida albicans and Candida tropicalis. The synthesis of chalcones was carried out by Claisen-Schimidt aldol condensation. Nuclear Magnetic Resonance (NMR) and Gas Chromatography Coupled to Mass Spectrometry (GC/MS) were also performed. Microbiological tests were performed by the broth microdilution method, using gentamicin, norfloxacin and penicillin as standard drugs for the antibacterial assay, and fluconazole for the antifungal assay. Three chalcones were obtained (1E,4E)-1,5-diphenylpenta-1,4-dien-3-one (DB-Acetone), (1E,3E,6E,8E)-1,9-diphenylnone-1,3,6,8-tetraen-5-one (DB-CNM), (1E,4E)-1,5-bis (4-methoxyphenyl) penta-1,4-dien-3-one (DB-Anisal). The compound DB-Acetone was able to inhibit P. aeruginosa ATCC 9027 at a concentration of 1.4 × 102 μM (32 μg/mL), while DB-CNM and DB-Anisal inhibited the growth of S. aureus ATCC 25923 at 17.88 × 102 μM and 2.71 × 101 μM (512 μg/mL and 8 μg/mL) respectively. In the combined activity, DB-Anisal was able to potentiate the effect of the three antibacterial drugs tested against E. coli 06, norfloxacin (128 for 4 μg/mL ±1) against P. aeruginosa 24 and penicillin (1,024 for 16 μg/mL ±1) against S. aureus 10. In antifungal assays, chalcones were not able to inhibit the growth of fungal strains tested. However, both showed potentiating activity with fluconazole, ranging from 8.17 x 10-1 μM (0.4909 μg/mL) to 2.35 μM (13.96 μg/mL). It is concluded that synthetic chalcones have antimicrobial potential, demonstrating good intrinsic activity against fungi and bacteria, in addition to potentiating the antibiotics and antifungal tested. Further studies are needed addressing the mechanisms of action responsible for the results found in this work.
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Affiliation(s)
| | | | | | | | | | | | | | | | | | | | - Débora Lima Sales
- Department of Biological Sciences, Regional University of Cariri, Crato, Ceara, Brazil
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da Silva L, Donato IA, Gonçalves CAC, Scherf JR, dos Santos HS, Mori E, Coutinho HDM, da Cunha FAB. Antibacterial potential of chalcones and its derivatives against Staphylococcus aureus. 3 Biotech 2023; 13:1. [PMID: 36466769 PMCID: PMC9712905 DOI: 10.1007/s13205-022-03398-7] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/09/2022] [Accepted: 10/12/2022] [Indexed: 12/02/2022] Open
Abstract
Chalcones are natural substances found in the metabolism of several botanical families. Their structure consists of 1,3-diphenyl-2-propen-1-one and they are characterized by having in their chains an α, β-unsaturated carbonyl system, two phenol rings and a three-carbon chain that unites them. In plants, Chalcones are mainly involved in the biosynthesis of flavonoids and isoflavonoids through the phenylalanine derivation. This group of substances has been shown to be a viable alternative for the investigation of its antibacterial potential, considering the numerous biological activities reported and the increase of the microbial resistance that concern global health agencies. Staphylococcus aureus is a bacterium that has stood out for its ability to adapt and develop resistance to a wide variety of drugs. This literature review aimed to highlight recent advances in the use of Chalcones and derivatives as antibacterial agents against S. aureus, focusing on research articles available on the Science Direct, Pub Med and Scopus data platforms in the period 2015-2021. It was constructed informative tables that provided an overview of which types of Chalcones are being studied more (Natural or Synthetic); its chemical name and main Synthesis Methodology. From the analysis of the data, it was observed that the compounds based on Chalcones have great potential in medicinal chemistry as antibacterial agents and that the molecular skeletons of these compounds as well as their derivatives can be easily obtained through substitutions in the A and B rings of Chalcones, in order to obtain the desired bioactivity. It was verified that Chalcones and derivatives are promising agents for combating the multidrug resistance of S. aureus to drugs. Supplementary Information The online version contains supplementary material available at 10.1007/s13205-022-03398-7.
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Affiliation(s)
- Larissa da Silva
- Laboratory of Semi-Arid Bioprospecting (LABSEMA), Department of Biological Chemistry, URCA, Crato, CE Brazil
| | - Isydorio Alves Donato
- Laboratory of Semi-Arid Bioprospecting (LABSEMA), Department of Biological Chemistry, URCA, Crato, CE Brazil
| | | | - Jackelyne Roberta Scherf
- Graduate Program in Pharmaceutical Sciences, Federal University of Pernambuco, UFPE, Recife, PE Brazil
| | - Hélcio Silva dos Santos
- Laboratory of Chemistry of Natural and Synthetic Product, State university of Ceará, UECE, Fortaleza, CE Brazil
| | - Edna Mori
- CECAPE, College of Dentistry, Juazeiro do Norte, CE 63024-015 Brazil
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Afsar N, Jonathan DR, Satheesh D, Manivannan S. Computational description of quantum chemical calculations and pharmacological studies of the synthesized chalcone derivative: A promising NLO material. J INDIAN CHEM SOC 2022. [DOI: 10.1016/j.jics.2022.100655] [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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6
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Synthesis, structural and spectroscopic analysis, and antiproliferative activity of chalcone derivate (E)-1-(4-aminophenyl)-3-(benzo[b]thiophen-2-yl)prop‑2-en-1-one in Trypanosoma cruzi. J Mol Struct 2022. [DOI: 10.1016/j.molstruc.2021.132197] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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7
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Clara TH, Prasana JC, Prabhu N, Rizwana BF. Spectroscopic profiling and molecular docking of novel chalcone derivative (2E)-1-(3,4-dimethoxyphenyl)-3-(4-n-propyloxyphenyl)-2-propen-1-one- A prospective respiratory drug. J Mol Struct 2022. [DOI: 10.1016/j.molstruc.2021.132138] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2023]
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8
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de Souza MA, de Castro KK, Almeida-Neto FW, Bandeira PN, Ferreira MK, Marinho MM, da Rocha MN, de Brito DH, Mendes FRDS, Rodrigues TH, de Oliveira MR, de Menezes JE, Barreto AC, Marinho ES, de Lima-Neto P, dos Santos HS, Teixeira AM. Structural and spectroscopic analysis, ADMET study, and anxiolytic-like effect in adult zebrafish (Danio rerio) of 4′-[(1E,2E)-1-(2-(2′,4′-dinitrophenyl)hydrazone-3-(4-methoxyphenyl)allyl)aniline. J Mol Struct 2022. [DOI: 10.1016/j.molstruc.2021.132064] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/01/2022]
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9
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Karaca H, Kazancı S. The metal sensing applications of chalcones: The synthesis, characterization and theoretical calculations. J Mol Struct 2022. [DOI: 10.1016/j.molstruc.2021.131454] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
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10
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Leal AL, Pinheiro DP, Barros-Nepomuceno FW, da Silva PT, Pessoa C, Almeida-Neto FW, Marinho ES, Barreto AC, Julião MS, de Paiva AS, Bandeira PN, de Lima-Neto P, dos Santos HS, Teixeira AM. Structural and spectroscopic analysis and evaluation of cytotoxic activity of 2-hydroxychalcones against human cancer cell lines. J Mol Struct 2021. [DOI: 10.1016/j.molstruc.2021.131135] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
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11
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Constantinescu T, Lungu CN. Anticancer Activity of Natural and Synthetic Chalcones. Int J Mol Sci 2021; 22:11306. [PMID: 34768736 PMCID: PMC8582663 DOI: 10.3390/ijms222111306] [Citation(s) in RCA: 71] [Impact Index Per Article: 17.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/13/2021] [Revised: 10/15/2021] [Accepted: 10/16/2021] [Indexed: 11/16/2022] Open
Abstract
Cancer is a condition caused by many mechanisms (genetic, immune, oxidation, and inflammatory). Anticancer therapy aims to destroy or stop the growth of cancer cells. Resistance to treatment is theleading cause of the inefficiency of current standard therapies. Targeted therapies are the most effective due to the low number of side effects and low resistance. Among the small molecule natural compounds, flavonoids are of particular interest for theidentification of new anticancer agents. Chalcones are precursors to all flavonoids and have many biological activities. The anticancer activity of chalcones is due to the ability of these compounds to act on many targets. Natural chalcones, such as licochalcones, xanthohumol (XN), panduretin (PA), and loncocarpine, have been extensively studied and modulated. Modification of the basic structure of chalcones in order to obtain compounds with superior cytotoxic properties has been performed by modulating the aromatic residues, replacing aromatic residues with heterocycles, and obtaining hybrid molecules. A huge number of chalcone derivatives with residues such as diaryl ether, sulfonamide, and amine have been obtained, their presence being favorable for anticancer activity. Modification of the amino group in the structure of aminochalconesis always favorable for antitumor activity. This is why hybrid molecules of chalcones with different nitrogen hetercycles in the molecule have been obtained. From these, azoles (imidazole, oxazoles, tetrazoles, thiazoles, 1,2,3-triazoles, and 1,2,4-triazoles) are of particular importance for the identification of new anticancer agents.
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Affiliation(s)
- Teodora Constantinescu
- Department of Chemistry, Faculty of Pharmacy, Iuliu Hatieganu University, 400012 Cluj-Napoca, Romania
| | - Claudiu N. Lungu
- Department of Surgery, Country Emergency Hospital Braila, 810249 Braila, Romania
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12
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Spectroscopic analysis by NMR, FT-Raman, ATR-FTIR, and UV-Vis, evaluation of antimicrobial activity, and in silico studies of chalcones derived from 2-hydroxyacetophenone. J Mol Struct 2021. [DOI: 10.1016/j.molstruc.2021.130647] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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13
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Rocha JE, de Freitas TS, da Cunha Xavier J, Pereira RLS, Junior FNP, Nogueira CES, Marinho MM, Bandeira PN, de Oliveira MR, Marinho ES, Teixeira AMR, Dos Santos HS, Coutinho HDM. Antibacterial and antibiotic modifying activity, ADMET study and molecular docking of synthetic chalcone (E)-1-(2-hydroxyphenyl)-3-(2,4-dimethoxy-3-methylphenyl)prop-2-en-1-one in strains of Staphylococcus aureus carrying NorA and MepA efflux pumps. Biomed Pharmacother 2021; 140:111768. [PMID: 34058442 DOI: 10.1016/j.biopha.2021.111768] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2021] [Revised: 05/20/2021] [Accepted: 05/24/2021] [Indexed: 11/26/2022] Open
Abstract
A large number of infections are caused by multi-resistant bacteria worldwide, adding up to a figure of around 700,000 deaths per year. Because of that many strategies are being developed in order to combat the resistance of microorganisms to drugs, in recent times, chalcones have been studied for this purpose. Chalcones are known as α, β-unsaturated ketones, characterized by having the presence of two aromatic rings that are joined by a three-carbon chain, they are a class of compounds considered an exceptional model due to chemical simplicity and a wide variety of biological activities, which include anticancer, anti-inflammatory, antioxidants, antimicrobials, anti-tuberculosis, anti-HIV, antimalarial, anti-allergic, antifungal, antibacterial, and antileishmanial. The objective of this work was evaluate the antibacterial and antibiotic modifying activity of chalcone (E)-1-(2-hydroxyphenyl)-3-(2,4-dimethoxy-3-methylphenyl)prop-2-en-1-one against the bacteria Staphylococcus aureus carrying a NorA and MepA efflux pump. The results showed that chalcone was able to synergistically modulate the action of Norfloxacin and Ethidium Bromide against the bacteria Staphylococcus aureus 1199B and K2068, respectively. The theoretical physicochemical and pharmacokinetic properties of chalcone showed that the chalcone did not present a severe risk of toxicity such as genetic mutation or cardiotoxicity, constituting a good pharmacological active ingredient.
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Affiliation(s)
- Janaína Esmeraldo Rocha
- Departamento de Química Biológica, Laboratório de Microbiologia e Biologia Molecular - LMBM, Universidade Regional do Cariri, Crato, Ceará, Brazil
| | - Thiago Sampaio de Freitas
- Departamento de Química Biológica, Laboratório de Microbiologia e Biologia Molecular - LMBM, Universidade Regional do Cariri, Crato, Ceará, Brazil
| | - Jayze da Cunha Xavier
- Departamento de Química Biológica, Laboratório de Microbiologia e Biologia Molecular - LMBM, Universidade Regional do Cariri, Crato, Ceará, Brazil
| | - Raimundo Luiz Silva Pereira
- Departamento de Química Biológica, Laboratório de Microbiologia e Biologia Molecular - LMBM, Universidade Regional do Cariri, Crato, Ceará, Brazil
| | | | - Carlos Emídio Sampaio Nogueira
- Departamento de Química Biológica, Laboratório de Microbiologia e Biologia Molecular - LMBM, Universidade Regional do Cariri, Crato, Ceará, Brazil
| | - Márcia Machado Marinho
- Faculdade de Educação, Ciência e Letras de Iguatu, Universidade Estadual do Ceará, Iguatu, Ceará, Brazil
| | - Paulo Nogueira Bandeira
- Universidade Estadual do Vale do Acaraú, Centro de Ciencias Exatas e Tecnologia, Sobral, Ceará, Brazil
| | | | - Emmanuel Silva Marinho
- Universidade Estadual do Ceará, Faculdade de Filosofia Dom Aureliano Matos, Limoeiro do Norte, Ceará, Brazil
| | - Alexandre Magno Rodrigues Teixeira
- Departamento de Química Biológica, Laboratório de Microbiologia e Biologia Molecular - LMBM, Universidade Regional do Cariri, Crato, Ceará, Brazil
| | - Hélcio Silva Dos Santos
- Departamento de Química Biológica, Laboratório de Microbiologia e Biologia Molecular - LMBM, Universidade Regional do Cariri, Crato, Ceará, Brazil; Universidade Estadual do Vale do Acaraú, Centro de Ciencias Exatas e Tecnologia, Sobral, Ceará, Brazil; Universidade Estadual do Ceará, Centro de Ciências e Tecnologia, Programa de Pós-Graduação Ciências Naturais, Fortaleza, Ceará, Brazil
| | - Henrique Douglas Melo Coutinho
- Departamento de Química Biológica, Laboratório de Microbiologia e Biologia Molecular - LMBM, Universidade Regional do Cariri, Crato, Ceará, Brazil.
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Silva Pereira RL, Campina FF, Costa MDS, Pereira da Cruz R, Sampaio de Freitas T, Lucas Dos Santos AT, Cruz BG, Maciel de Sena Júnior D, Campos Lima IK, Xavier MR, Rodrigues Teixeira AM, Alencar de Menezes IR, Quintans-Júnior LJ, Araújo AADS, Melo Coutinho HD. Antibacterial and modulatory activities of β-cyclodextrin complexed with (+)-β-citronellol against multidrug-resistant strains. Microb Pathog 2021; 156:104928. [PMID: 33957243 DOI: 10.1016/j.micpath.2021.104928] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2020] [Revised: 04/12/2021] [Accepted: 04/13/2021] [Indexed: 12/14/2022]
Abstract
The present study aimed to investigate the antibacterial and modulatory activities of (+)-β-citronellol (βCT), β-cyclodextrin (β-CD), and their complex βCT/β-CD and characterize them using infrared spectroscopy. Infrared spectra were recorded in the 750-4000 cm-1 region. The antibacterial effects of these compounds and their modulatory-antibiotic activities were determined using the minimum inhibitory concentration (MIC) test. Signatures of these pure compounds were detected in the infrared spectrum of the βCT/β-CD complex. The MIC of the βCT/β-CD complex against the tested strains was found to be 1024 μg/mL. The antagonistic and synergistic effects of these compounds were also observed using the modulation tests. βCT or β-CD alone did not exhibit any direct antibacterial activity. However, the βCT/β-CD complex in combination with gentamicin showed a synergistic effect against E. coli.
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Affiliation(s)
| | | | | | | | | | | | | | | | | | | | - Alexandre Magno Rodrigues Teixeira
- Department of Biological Chemistry, Regional University of Cariri, Crato, CE, Brazil; Department of Physics, Regional University of Cariri, Juazeiro do Norte, CE, Brazil
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15
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Vlasiou MC, Hatahta AA. Spectroscopic evaluation of chalcone derivatives and their zinc metal complexes: A combined experimental and computational approach studying the interactions of the complexes with the serum albumin. J Mol Struct 2021. [DOI: 10.1016/j.molstruc.2021.130052] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
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16
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da Cunha Xavier J, Almeida-Neto FWDQ, da Silva PT, de Sousa AP, Marinho ES, Marinho MM, Rocha JE, Freitas PR, de Araújo ACJ, Freitas TS, Nogueira CES, de Lima-Neto P, Bandeira PN, Teixeira AMR, Coutinho HDM, dos Santos HS. Structural characterization, DFT calculations, ADMET studies, antibiotic potentiating activity, evaluation of efflux pump inhibition and molecular docking of chalcone (E)-1-(2-hydroxy-3,4,6-trimethoxyphenyl)-3-(4-methoxyphenyl)prop-2-en-1-one. J Mol Struct 2021. [DOI: 10.1016/j.molstruc.2020.129692] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
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17
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Siqueira MMR, Freire PDTC, Cruz BG, de Freitas TS, Bandeira PN, Silva Dos Santos H, Nogueira CES, Teixeira AMR, Pereira RLS, Xavier JDC, Campina FF, Dos Santos Barbosa CR, Neto JBDA, da Silva MMC, Siqueira-Júnior JP, Douglas Melo Coutinho H. Aminophenyl chalcones potentiating antibiotic activity and inhibiting bacterial efflux pump. Eur J Pharm Sci 2020; 158:105695. [PMID: 33383131 DOI: 10.1016/j.ejps.2020.105695] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/09/2020] [Revised: 12/02/2020] [Accepted: 12/22/2020] [Indexed: 01/08/2023]
Abstract
Chalcones and their derivatives are substances of great interest for medicinal chemistry due to their antibacterial activities. As the bacterial resistance to clinically available antibiotics has become a worldwide public health problem, it is essential to search for compounds capable of reverting the bacterial resistance. As a possibility, the chalcone class could be an interesting answer to this problem. The chalcones (2E)-1-(4'-aminophenyl)-3-(phenyl)‑prop-2-en-1-one (APCHAL), and (2E)-1-(4'-aminophenyl)-3-(4-chlorophenyl)‑prop-2-en-1-one (ACLOPHENYL) were synthesized by the Claisen-Schmidt condensation and characterized by 1H and 13C nuclear magnetic resonance (NMR), Fourier-transform infrared (FT-IR), and mass spectrometry (MS), In addition, microbiological tests were performed to investigate the antibacterial activity, modulatory potential, and efflux pump inhibition against Staphylococcus aureus (S. aureus) multi-resistant strains. Regarding the S. aureus Gram-positive model, the APCHAL presented synergism with gentamicin and antagonism with penicillin. APCHAL reduced the Minimum inhibitory concentration (MIC) of gentamicin by almost 70%. When comparing the effects of the antibiotic modifying activity of ACLOPHENYL and APCHAL, a loss of synergism is noted with gentamicin due to the addition of a chlorine to the substance structure. For Escherichia coli (E. coli) a total lack of effect, synergistic or antagonistic, was observed between ACLOPHENYL and the antibiotics. In the evaluation of inhibition of the efflux pump, both chalcones presented a synergistic effect with norfloxacin and ciprofloxacin against S. aureus, although the effect is much less pronounced with ACLOPHENYL. The effect of APCHAL is particularly notable against the K2068 (MepA overexpresser) strain, with synergistic effects with both ciprofloxacin and ethidium bromide. The docking results also show that both compounds bind to roughly the same region of the binding site of 1199B (NorA overexpresser), and that this region overlaps with the preferred binding region of norfloxacin. The APCHAL chalcone may contribute to the prevention or treatment of infectious diseases caused by multidrug-resistant S. aureus.
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Affiliation(s)
| | - Paulo de Tarso Cavalcante Freire
- Department of Biological Chemistry, Regional University of Cariri, Crato, CE, Brazil; Department of Physics, Federal University of Ceará, Fortaleza, CE, Brazil
| | | | | | - Paulo Nogueira Bandeira
- Science and Technology Centre - Course of Chemistry, State University Vale do Acaraú, Sobral, CE, Brazil
| | - Hélcio Silva Dos Santos
- Department of Biological Chemistry, Regional University of Cariri, Crato, CE, Brazil; Science and Technology Centre - Course of Chemistry, State University Vale do Acaraú, Sobral, CE, Brazil
| | - Carlos Emidío Sampaio Nogueira
- Department of Biological Chemistry, Regional University of Cariri, Crato, CE, Brazil; Department of Physics, Regional University of Cariri, Juazeiro do Norte, CE, Brazil
| | - Alexandre Magno Rodrigues Teixeira
- Department of Biological Chemistry, Regional University of Cariri, Crato, CE, Brazil; Department of Physics, Regional University of Cariri, Juazeiro do Norte, CE, Brazil
| | | | - Jayze da Cunha Xavier
- Department of Biological Chemistry, Regional University of Cariri, Crato, CE, Brazil
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Potentiation of antibiotic activity by chalcone (E)-1-(4′-aminophenyl)-3-(furan-2-yl)-prop-2-en-1-one against gram-positive and gram-negative MDR strains. Microb Pathog 2020; 148:104453. [DOI: 10.1016/j.micpath.2020.104453] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2020] [Revised: 06/28/2020] [Accepted: 08/11/2020] [Indexed: 12/14/2022]
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