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Nematollahi MH, Mehrabani M, Hozhabri Y, Mirtajaddini M, Iravani S. Antiviral and antimicrobial applications of chalcones and their derivatives: From nature to greener synthesis. Heliyon 2023; 9:e20428. [PMID: 37810815 PMCID: PMC10556610 DOI: 10.1016/j.heliyon.2023.e20428] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2023] [Revised: 09/22/2023] [Accepted: 09/25/2023] [Indexed: 10/10/2023] Open
Abstract
Chalcones and their derivatives have been widely studied due to their versatile pharmacological and biological activities, such as anti-inflammatory, antibacterial, antiviral, and antitumor effects. These compounds have shown suitable antiviral effects through the selective targeting of a variety of viral enzymes, including lactate dehydrogenase, glyceraldehyde-3-phosphate dehydrogenase (GAPDH), fumarate reductase, protein tyrosine phosphatase, topoisomerase-II, protein kinases, integrase/protease, and lactate/isocitrate dehydrogenase, among others. Chalcones and their derivatives have displayed excellent potential for combating pathogenic bacteria and fungi (especially, multidrug-resistant bacteria). However, relevant mechanisms should be further explored, focusing on inhibitory effects against DNA gyrase B, UDP-N-acetylglucosamine enolpyruvyl transferase (MurA), and efflux pumps (e.g., NorA), among others. In addition, the antifungal and antiparasitic activities of these compounds (e.g., antitrypanosomal and antileishmanial properties) have prompted additional explorations. Nonetheless, systematic analysis of the relevant mechanisms, biosafety issues, and pharmacological properties, as well as clinical translation studies, are vital for practical applications. Herein, recent advancements pertaining to the antibacterial, antiviral, antiparasitic, and antifungal activities of chalcones and their derivatives are deliberated, focusing on the relevant mechanisms of action, crucial challenges, and future prospects. Furthermore, due to the great importance of greener and more sustainable synthesis of these valuable compounds, especially on an industrial scale, the progress made in this field has been briefly discussed. Hopefully, this review can serve as a catalyst for researchers to delve deeper into the exploration and designing of novel chalcone compounds with medicinal properties, especially against pathogenic viruses and multidrug-resistant bacteria as major causes of concern for human health.
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Affiliation(s)
- Mohammad Hadi Nematollahi
- Herbal and Traditional Medicines Research Center, School of Pharmacy, Kerman University of Medical Sciences, Kerman, Iran
| | - Mehrnaz Mehrabani
- Physiology Research Center, Institute of Neuropharmacology, Kerman University of Medical Sciences, Kerman, Iran
| | - Yaser Hozhabri
- Applied Cellular and Molecular Research Center, Kerman University of Medical Sciences, Kerman, Iran
| | - Maryamossadat Mirtajaddini
- Physiology Research Center, Institute of Neuropharmacology, Kerman University of Medical Sciences, Kerman, Iran
| | - Siavash Iravani
- Independent Researcher, W Nazar ST, Boostan Ave, Isfahan, Iran
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2
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Prescott TAK, Anaissi-Afonso L, Fox KR, Maxwell A, Panaretou B, Machín F. A simplified and easy-to-use HIP HOP assay provides insights into chalcone antifungal mechanisms of action. FEBS Lett 2022; 596:3087-3102. [PMID: 36053795 PMCID: PMC10087691 DOI: 10.1002/1873-3468.14483] [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: 05/09/2022] [Revised: 07/07/2022] [Accepted: 07/12/2022] [Indexed: 12/14/2022]
Abstract
Elucidating the mechanism of action of an antifungal or cytotoxic compound is a time-consuming process. Yeast chemogenomic profiling provides a compelling solution to the problem but is experimentally complex. Here, we demonstrate the use of a highly simplified yeast chemical genetic assay comprising just 89 yeast deletion strains, each diagnostic for a specific mechanism of action. We use the assay to investigate the mechanism of action of two antifungal chalcone compounds, trans-chalcone and 4'-hydroxychalcone, and narrow down the mechanism to transcriptional stress. Crucially, the assay eliminates mechanisms of action such as topoisomerase I inhibition and membrane disruption that have been suggested for related chalcone compounds. We propose this simplified assay as a useful tool to rapidly identify common off-target mechanisms.
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Affiliation(s)
| | - Laura Anaissi-Afonso
- Unidad de Investigación, Hospital Universitario Ntra Sra de Candelaria, Santa Cruz de Tenerife, Spain.,Instituto de Tecnologías Biomédicas, Universidad de la Laguna, Tenerife, Spain
| | - Keith R Fox
- School of Biological Sciences, University of Southampton, UK
| | - Anthony Maxwell
- Department of Biochemistry and Metabolism, John Innes Centre, Norwich, UK
| | - Barry Panaretou
- School of Cancer and Pharmaceutical Sciences, King's College London, UK
| | - Félix Machín
- Unidad de Investigación, Hospital Universitario Ntra Sra de Candelaria, Santa Cruz de Tenerife, Spain.,Instituto de Tecnologías Biomédicas, Universidad de la Laguna, Tenerife, Spain.,Facultad de Ciencias de la Salud, Universidad Fernando Pessoa Canarias, Las Palmas de Gran Canaria, Spain
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3
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Liu W, He M, Li Y, Peng Z, Wang G. A review on synthetic chalcone derivatives as tubulin polymerisation inhibitors. J Enzyme Inhib Med Chem 2021; 37:9-38. [PMID: 34894980 PMCID: PMC8667932 DOI: 10.1080/14756366.2021.1976772] [Citation(s) in RCA: 24] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022] Open
Abstract
Microtubules play an important role in the process of cell mitosis and can form a spindle in the mitotic prophase of the cell, which can pull chromosomes to the ends of the cell and then divide into two daughter cells to complete the process of mitosis. Tubulin inhibitors suppress cell proliferation by inhibiting microtubule dynamics and disrupting microtubule homeostasis. Thereby inducing a cell cycle arrest at the G2/M phase and interfering with the mitotic process. It has been found that a variety of chalcone derivatives can bind to microtubule proteins and disrupt the dynamic balance of microtubules, inhibit the proliferation of tumour cells, and exert anti-tumour effects. Consequently, a great number of studies have been conducted on chalcone derivatives targeting microtubule proteins. In this review, synthetic or natural chalcone microtubule inhibitors in recent years are described, along with their structure-activity relationship (SAR) for anticancer activity.
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Affiliation(s)
- Wenjing Liu
- State Key Laboratory of Functions and Applications of Medicinal Plants, Guizhou Provincial Key Laboratory of Pharmaceutics, Guizhou Medical University, Guiyang, China.,Teaching and Research Section of Natural Medicinal Chemistry, School of Pharmacy, Guizhou Medical University, Guiyang, China
| | - Min He
- State Key Laboratory of Functions and Applications of Medicinal Plants, Guizhou Provincial Key Laboratory of Pharmaceutics, Guizhou Medical University, Guiyang, China.,Teaching and Research Section of Natural Medicinal Chemistry, School of Pharmacy, Guizhou Medical University, Guiyang, China
| | - Yongjun Li
- Engineering Research Center for the Development and Application of Ethnic Medicine and TCM (Ministry of Education), Guizhou Medical University, Guiyang, China
| | - Zhiyun Peng
- College of Food Science and Technology, Shanghai Ocean University, Shanghai, China
| | - Guangcheng Wang
- State Key Laboratory of Functions and Applications of Medicinal Plants, Guizhou Provincial Key Laboratory of Pharmaceutics, Guizhou Medical University, Guiyang, China
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4
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Dini I, Laneri S. Spices, Condiments, Extra Virgin Olive Oil and Aromas as Not Only Flavorings, but Precious Allies for Our Wellbeing. Antioxidants (Basel) 2021; 10:868. [PMID: 34071441 PMCID: PMC8230008 DOI: 10.3390/antiox10060868] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2021] [Revised: 05/26/2021] [Accepted: 05/27/2021] [Indexed: 02/06/2023] Open
Abstract
Spices, condiments and extra virgin olive oil (EVOO) are crucial components of human history and nutrition. They are substances added to foods to improve flavor and taste. Many of them are used not only to flavor foods, but also in traditional medicine and cosmetics. They have antioxidant, antiviral, antibiotic, anticoagulant and antiinflammatory properties and exciting potential for preventing chronic degenerative diseases such as cardiomyopathy and cancer when used in the daily diet. Research and development in this particular field are deeply rooted as the consumer inclination towards natural products is significant. It is essential to let consumers know the beneficial effects of the daily consumption of spices, condiments and extra virgin olive oil so that they can choose them based on effects proven by scientific works and not by the mere illusion that plant products are suitable only because they are natural and not chemicals. The study begins with the definition of spices, condiments and extra virgin olive oil. It continues by describing the pathologies that can be prevented with a spicy diet and it concludes by considering the molecules responsible for the beneficial effects on human health (phytochemical) and their eventual transformation when cooked.
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Affiliation(s)
- Irene Dini
- Department of Pharmacy, University of Naples Federico II, Via Domenico Montesano 49, 80131 Naples, Italy;
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5
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Appell M, Compton DL, Evans KO. Predictive Quantitative Structure-Activity Relationship Modeling of the Antifungal and Antibiotic Properties of Triazolothiadiazine Compounds. Methods Protoc 2020; 4:mps4010002. [PMID: 33375476 PMCID: PMC7838911 DOI: 10.3390/mps4010002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/25/2020] [Revised: 12/21/2020] [Accepted: 12/24/2020] [Indexed: 11/23/2022] Open
Abstract
Predictive models were developed using two-dimensional quantitative structure activity relationship (QSAR) methods coupled with B3LYP/6-311+G** density functional theory modeling that describe the antimicrobial properties of twenty-four triazolothiadiazine compounds against Aspergillus niger, Aspergillus flavus and Penicillium sp., as well as the bacteria Staphylococcus aureus, Bacillus subtilis, Escherichia coli, and Pseudomonas aeruginosa. B3LYP/6-311+G** density functional theory calculations indicated the triazolothiadiazine derivatives possess only modest variation between the frontier orbital properties. Genetic function approximation (GFA) analysis identified the topological and density functional theory derived descriptors for antimicrobial models using a population of 200 models with one to three descriptors that were crossed for 10,000 generations. Two or three descriptor models provided validated predictive models for antifungal and antibiotic properties with R2 values between 0.725 and 0.768 and no outliers. The best models to describe antimicrobial activities include descriptors related to connectivity, electronegativity, polarizability, and van der Waals properties. The reported method provided robust two-dimensional QSAR models with topological and density functional theory descriptors that explain a variety of antifungal and antibiotic activities for structurally related heterocyclic compounds.
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Affiliation(s)
- Michael Appell
- USDA, Agricultural Research Service, National Center for Agricultural Utilization Research, Mycotoxin Prevention and Applied Microbiology Research Unit, 1815 N. University St., Peoria, IL 61604, USA
- Correspondence:
| | - David L. Compton
- USDA, Agricultural Research Service, National Center for Agricultural Utilization Research, Renewable Product Technology Research Unit, 1815 N. University St., Peoria, IL 61604, USA; (D.L.C.); (K.O.E.)
| | - Kervin O. Evans
- USDA, Agricultural Research Service, National Center for Agricultural Utilization Research, Renewable Product Technology Research Unit, 1815 N. University St., Peoria, IL 61604, USA; (D.L.C.); (K.O.E.)
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Jain S, Kumar S, Lamba BY, Patra J, Mahindroo N. Nanocatalysts: Applications in synthesis of chalcones – a review. SYNTHETIC COMMUN 2020. [DOI: 10.1080/00397911.2020.1817941] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/25/2023]
Affiliation(s)
- Sapna Jain
- Department of Applied Sciences and Humanities, School of Engineering, University of Petroleum and Energy Studies, Dehradun, Uttarakhand, India
| | - Sanjeev Kumar
- Department of Applied Sciences and Humanities, School of Engineering, University of Petroleum and Energy Studies, Dehradun, Uttarakhand, India
| | - Bhawna Yadav Lamba
- Department of Applied Sciences and Humanities, School of Engineering, University of Petroleum and Energy Studies, Dehradun, Uttarakhand, India
| | - Jeevan Patra
- School of Health Sciences, University of Petroleum and Energy Studies, Dehradun, Uttarakhand, India
| | - Neeraj Mahindroo
- School of Health Sciences, University of Petroleum and Energy Studies, Dehradun, Uttarakhand, India
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7
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Aguiar ASN, Queiroz JE, Firmino PP, Vaz WF, Camargo AJ, de Aquino GLB, Napolitano HB, Oliveira SS. Synthesis, characterization, and computational study of a new heteroaryl chalcone. J Mol Model 2020; 26:243. [PMID: 32816129 DOI: 10.1007/s00894-020-04506-1] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/17/2020] [Accepted: 08/04/2020] [Indexed: 10/23/2022]
Abstract
This work presents the synthesis of the chalcone (E)-3-(2,6-difluorophenyl)-1-(furan-2-yl)-prop-2-en-1-one molecule through the equimolar reaction between 1-(furan-2-yl)-ethenone and 2,6-difluorobenzaldehyde. The crystallographic characterization and the extensive theoretical study regarding electronic properties were obtained. The supramolecular arrangement was described by X-ray diffraction and Hirshfeld surfaces. Optimized geometrical structure was obtained by density functional theory, and the electronic study for differences between the solid and gas phases was carried out with M062-X at 6-311++G(2d,2p) basis set. Natural bond orbital, frontier molecular orbitals (HOMO-LUMO), and molecular electrostatic potential map were determined to elucidate the information related to the charge transfer in the molecule. The theoretical and experimental vibrational spectra were plotted, which included the IR intensities, the calculated and experimental vibrational frequencies, and the assigned vibrational modes for the main groups of DTP.
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Affiliation(s)
- Antônio S N Aguiar
- Grupo de Química Teórica e Estrutural de Anápolis, Universidade Estadual de Goiás, Anápolis, GO, Brazil
| | - Jaqueline E Queiroz
- Laboratório de pesquisa em Bioprodutos e Síntese, Universidade Estadual de Goiás, Anápolis, GO, Brazil
| | - Pollyana P Firmino
- Grupo de Química Teórica e Estrutural de Anápolis, Universidade Estadual de Goiás, Anápolis, GO, Brazil
| | - Wesley F Vaz
- Grupo de Química Teórica e Estrutural de Anápolis, Universidade Estadual de Goiás, Anápolis, GO, Brazil
| | - Ademir J Camargo
- Grupo de Química Teórica e Estrutural de Anápolis, Universidade Estadual de Goiás, Anápolis, GO, Brazil
| | - Gilberto L B de Aquino
- Grupo de Química Teórica e Estrutural de Anápolis, Universidade Estadual de Goiás, Anápolis, GO, Brazil.,Laboratório de pesquisa em Bioprodutos e Síntese, Universidade Estadual de Goiás, Anápolis, GO, Brazil
| | - Hamilton B Napolitano
- Grupo de Química Teórica e Estrutural de Anápolis, Universidade Estadual de Goiás, Anápolis, GO, Brazil.,Laboratório de Novos Materiais, Centro Universitário de Anápolis, Anápolis, GO, Brazil
| | - Solemar S Oliveira
- Grupo de Química Teórica e Estrutural de Anápolis, Universidade Estadual de Goiás, Anápolis, GO, Brazil.
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8
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Indole-derived chalcones as anti-dermatophyte agents: In vitro evaluation and in silico study. Comput Biol Chem 2019; 84:107189. [PMID: 31891900 DOI: 10.1016/j.compbiolchem.2019.107189] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/19/2018] [Revised: 11/26/2019] [Accepted: 12/08/2019] [Indexed: 01/14/2023]
Abstract
A series of indole-derived methoxylated chalcones were described as anti-dermatophyte agents. The in vitro antifungal susceptibility testing against different dermatophytes revealed that most of compounds had potent activity against the dermatophyte strains. In particular, the 4-ethoxy derivative 4d with MIC values of 0.25-2 μg/ml was the most potent compound against Trichophyton interdigitale, Trichophyton veruccosum and Microsporum fulvum. Moreover, the 4-butoxy analog 4i displaying MIC values in the range of 1-16 μg/ml had the highest inhibitory activity against Trichophyton mentagrophytes, Microsporum canis, and Arthroderma benhamiae. To predict whether the synthesized compounds interact with tubulin binding site of dermatophytes, the 3D-structure of target protein was modeled by homology modeling and then used for molecular docking and molecular dynamics (MD) simulation studies. Docking simulation revealed that the promising compound 4d can properly bind with tubulin. The molecular dynamics analysis showed that interactions of compound 4d with the active site of target protein have binding stability throughout MD simulation. The results of this study could utilize in the design of more effective antifungal drugs with tubulin inhibition mechanism against keratinophilic fungi.
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9
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New halogenated chalcones: Synthesis, crystal structure, spectroscopic and theoretical analyses for third-order nonlinear optical properties. J Mol Struct 2019. [DOI: 10.1016/j.molstruc.2019.05.122] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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10
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Tutar U, Koçyiğit ÜM, Gezegen H. Evaluation of antimicrobial, antibiofilm and carbonic anhydrase inhibition profiles of 1,3‐bis‐chalcone derivatives. J Biochem Mol Toxicol 2018; 33:e22281. [DOI: 10.1002/jbt.22281] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2018] [Revised: 10/03/2018] [Accepted: 11/08/2018] [Indexed: 12/15/2022]
Affiliation(s)
- Uğur Tutar
- Department of Nutrition and DieteticsFaculty of Health Sciences, Sivas Cumhuriyet UniversitySivas Turkey
| | - Ümit M. Koçyiğit
- Department of Medical Services and TechniquesVocational School of Health Services, Sivas Cumhuriyet UniversitySivas Turkey
| | - Hayreddin Gezegen
- Department of Nutrition and DieteticsFaculty of Health Sciences, Sivas Cumhuriyet UniversitySivas Turkey
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11
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Taghavi T, Kim C, Rahemi A. Role of Natural Volatiles and Essential Oils in Extending Shelf Life and Controlling Postharvest Microorganisms of Small Fruits. Microorganisms 2018; 6:E104. [PMID: 30301143 PMCID: PMC6313609 DOI: 10.3390/microorganisms6040104] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2018] [Revised: 09/30/2018] [Accepted: 10/03/2018] [Indexed: 11/17/2022] Open
Abstract
Small fruits are a multi-billion dollar industry in the US, and are economically important in many other countries. However, they are perishable and susceptible to physiological disorders and biological damage. Food safety and fruit quality are the major concerns of the food chain from farm to consumer, especially with increasing regulations in recent years. At present, the industry depends on pesticides and fungicides to control food spoilage organisms. However, due to consumer concerns and increasing demand for safer produce, efforts are being made to identify eco-friendly compounds that can extend the shelf life of small fruits. Most volatiles and essential oils produced by plants are safe for humans and the environment, and lots of research has been conducted to test the in vitro efficacy of single-compound volatiles or multi-compound essential oils on various microorganisms. However, there are not many reports on their in vivo (in storage) and In situ (in the field) applications. In this review, we discuss the efficacy, minimum inhibitory concentrations, and mechanisms of action of volatiles and essential oils that control microorganisms (bacteria and fungi) on small fruits such as strawberries, raspberries, blueberries, blackberries, and grapes under the three conditions.
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Affiliation(s)
- Toktam Taghavi
- Agricultural Research Station, Virginia State University, Petersburg, VA 23806, USA.
| | - Chyer Kim
- Agricultural Research Station, Virginia State University, Petersburg, VA 23806, USA.
| | - Alireza Rahemi
- Agricultural Research Station, Virginia State University, Petersburg, VA 23806, USA.
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13
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Andrade JT, Santos FRS, Lima WG, Sousa CDF, Oliveira LSFM, Ribeiro RIMA, Gomes AJPS, Araújo MGF, Villar JAFP, Ferreira JMS. Design, synthesis, biological activity and structure-activity relationship studies of chalcone derivatives as potential anti-Candida agents. J Antibiot (Tokyo) 2018; 71:702-712. [DOI: 10.1038/s41429-018-0048-9] [Citation(s) in RCA: 27] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2017] [Revised: 02/22/2018] [Accepted: 03/13/2018] [Indexed: 01/05/2023]
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14
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Synthesis and DFT Calculations of Novel Vanillin-Chalcones and Their 3-Aryl-5-(4-(2-(dimethylamino)-ethoxy)-3-methoxyphenyl)-4,5-dihydro-1H-pyrazole-1-carbaldehyde Derivatives as Antifungal Agents. Molecules 2017; 22:molecules22091476. [PMID: 29240047 PMCID: PMC6151623 DOI: 10.3390/molecules22091476] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2017] [Revised: 08/31/2017] [Accepted: 08/31/2017] [Indexed: 01/10/2023] Open
Abstract
Novel (E)-1-(aryl)-3-(4-(2-(dimethylamino)ethoxy)-3-methoxyphenyl) prop-2-en-1-ones 4 were synthesized by a Claisen-Schmidt reaction of 4-(2-(dimethylamino)ethoxy)-3-methoxy-benzaldehyde (2) with several acetophenone derivatives 3. Subsequently, cyclocondensation reactions of chalcones 4 with hydrazine hydrate afforded the new racemic 3-aryl-5-(4-(2-(dimethylamino)ethoxy)-3-methoxyphenyl)-4,5-dihydro-1H-pyrazole-1-carbaldehydes 5 when the reaction was carried out in formic acid. The antifungal activity of both series of compounds against eight fungal species was determined. In general, chalcone derivatives 4 showed better activities than pyrazolines 5 against all tested fungi. None of the compounds 4a–g and 5a–g showed activity against the three Aspergillus spp. In contrast, most of the compounds 4 showed moderate to high activities against three dermatophytes (MICs 31.25–62.5 µg/mL), being 4a followed by 4c the most active structures. Interestingly, 4a and 4c possess fungicidal rather than fungistatic activities, with MFC values between 31.25 and 62.5 μg/mL. The comparison of the percentages of inhibition of C. neoformans by the most active compounds 4, allowed us to know the role played by the different substituents of the chalcones’ A-ring. Also the most anti-cryptococcal compounds 4a–c and 4g, were tested in a second panel of five clinical C. neoformans strains in order to have an overview of their inhibition capacity not only of standardized but also of clinical C. neoformans strains. DFT calculations showed that the electrophilicity is the main electronic property to explain the differences in antifungal activities for the synthesized chalcones and pyrazolines compounds. Furthermore, a quantitative reactivity analysis showed that electron-withdrawing substituted chalcones presented the higher electrophilic character and hence, the greater antifungal activities among compounds of series 4.
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15
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Conformation analysis of a novel fluorinated chalcone. J Mol Model 2017; 23:97. [PMID: 28251413 DOI: 10.1007/s00894-017-3245-8] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/07/2016] [Accepted: 01/23/2017] [Indexed: 10/20/2022]
Abstract
Chalcones are an important class of natural compounds that exhibit numerous biological activities. In this paper, we report the synthesis and characterization of new fluorinated chalcone (FCH). The molecular geometry was determined by means of single crystal X-ray diffraction, and density functional theory (DFT) at B3LYP, M06-2X functionals and MP2 method, with the 6-311++G(d,p) basis set, was applied to optimize the ground state geometry and to study the molecular conformational stability. The molecular electrostatic potential (MEP) was also investigated at the same level of theory in order to identify and quantify the possible reactive sites. The FCH crystallizes in the centrossymmetric space group [Formula: see text] with two independent conformers (α and β) in the asymmetric unit cell. The α conformer is arranged in planar layer whereas the β creates a layer of non-classical dimer along c axis, that differ from α in about 11° in the orientation of phenyl groups. The stabilization of the β conformer is achieved by C-H···π arrangement. The small energy difference between the conformers (0.086 kcal mol-1) and the absence of activation energy indicates that the conversion between them can takes place at room temperature and the β isomer is stable only in solid state. The FCH most electrophilic site occurs on the oxygen atom from the carboxyl group with absolute MEP value of about -52 kcal mol-1 whereas the MEP value calculated for F site is about -23 kcal mol-1.
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16
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Julakanti SR, Patel M, Ponneri V. Highly Efficient Synthesis of Chalcones from Poly Carbonyl Aromatic Compounds Using BF3-Et2O via a Regioselective Condensation Reaction. Chem Pharm Bull (Tokyo) 2017; 64:570-6. [PMID: 27250791 DOI: 10.1248/cpb.c15-00939] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
A new, simple, highly efficient method for the synthesis of different types of carbonyl chalcones through a regioselective condensation reaction of appropriate 5-acetyl-2-hydroxybenzaldehyde with various substituted acetophenones and 4-hydroxyisothalaldehyde with various substituted aldehydes using BF3-Et2O as a reagent is described.
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17
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Sabina XJ, Karthikeyan J, Velmurugan G, Tamizh MM, Shetty AN. Design and in vitro biological evaluation of substituted chalcones synthesized from nitrogen mustards as potent microtubule targeted anticancer agents. NEW J CHEM 2017. [DOI: 10.1039/c7nj00265c] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Six chalcones were synthesized and their structures determined by single crystal X-ray diffraction studies. They exhibited enhanced anticancer activity and tubulin inhibition.
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Affiliation(s)
- X. Janet Sabina
- Department of Chemistry
- Sathyabama University
- Chennai – 600119
- India
| | - J. Karthikeyan
- Department of Chemistry
- Sathyabama University
- Chennai – 600119
- India
| | | | - M. Muthu Tamizh
- Department of Chemistry
- Siddha Central Research Institute
- Central Council for Research in Siddha
- Chennai – 600106
- India
| | - A. Nityananda Shetty
- Department of Chemistry
- National Institute of Technology Karnataka
- Mangalore – 575025
- India
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18
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Abbas Z, Dasari S, Patra AK. Ternary Eu(iii) and Tb(iii) β-diketonate complexes containing chalcones: photophysical studies and biological outlook. RSC Adv 2017. [DOI: 10.1039/c7ra08543e] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023] Open
Abstract
Ternary Eu(iii) and Tb(iii) β-diketonate complexes containing chalcones were studied for their structures, photophysical properties, interactions with DNA and serum protein, and photo-induced DNA cleavage activity.
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Affiliation(s)
- Zafar Abbas
- Department of Chemistry
- Indian Institute of Technology Kanpur
- Kanpur 208016
- India
| | - Srikanth Dasari
- Department of Chemistry
- Indian Institute of Technology Kanpur
- Kanpur 208016
- India
| | - Ashis K. Patra
- Department of Chemistry
- Indian Institute of Technology Kanpur
- Kanpur 208016
- India
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(E)-1-(2-Aminophenyl)-3-(benzo[d][1,3]dioxol-5-yl)prop-2-en-1-one. MOLBANK 2016. [DOI: 10.3390/m924] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
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Kucerova-Chlupacova M, Vyskovska-Tyllova V, Richterova-Finkova L, Kunes J, Buchta V, Vejsova M, Paterova P, Semelkova L, Jandourek O, Opletalova V. Novel Halogenated Pyrazine-Based Chalcones as Potential Antimicrobial Drugs. Molecules 2016; 21:molecules21111421. [PMID: 27801810 PMCID: PMC6273737 DOI: 10.3390/molecules21111421] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/23/2016] [Revised: 10/14/2016] [Accepted: 10/14/2016] [Indexed: 12/04/2022] Open
Abstract
Chalcones, i.e., compounds with the chemical pattern of 1,3-diphenylprop-2-en-1-ones, exert a wide range of bio-activities, e.g., antioxidant, anti-inflammatory, anticancer, anti-infective etc. Our research group has been focused on pyrazine analogues of chalcones; several series have been synthesized and tested in vitro on antifungal and antimycobacterial activity. The highest potency was exhibited by derivatives with electron withdrawing groups (EWG) in positions 2 and 4 of the ring B. As halogens also have electron withdrawing properties, novel halogenated derivatives were prepared by Claisen-Schmidt condensation. All compounds were submitted for evaluation of their antifungal and antibacterial activity, including their antimycobacterial effect. In the antifungal assay against eight strains of selected fungi, growth inhibition of Candida glabrata and Trichophyton interdigitale (formerly T. mentagrophytes) was shown by non-alkylated derivatives with 2-bromo or 2-chloro substitution. In the panel of selected bacteria, 2-chloro derivatives showed the highest inhibitory effect on Staphylococcus sp. In addition, all products were also screened for their antimycobacterial activity against Mycobacterium tuberculosis H37RV My 331/88, M. kansasii My 235/80, M. avium 152/80 and M. smegmatis CCM 4622. Some of the examined compounds, inhibited growth of M. kansasii and M. smegmatis with minimum inhibitory concentrations (MICs) comparable with those of isoniazid.
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Affiliation(s)
- Marta Kucerova-Chlupacova
- Department of Pharmaceutical Chemistry and Pharmaceutical Analysis, Faculty of Pharmacy in Hradec Kralove, Charles University in Prague, Heyrovskeho 1203, 500 05 Hradec Kralove, Czech Republic.
| | - Veronika Vyskovska-Tyllova
- Department of Pharmaceutical Chemistry and Pharmaceutical Analysis, Faculty of Pharmacy in Hradec Kralove, Charles University in Prague, Heyrovskeho 1203, 500 05 Hradec Kralove, Czech Republic.
| | - Lenka Richterova-Finkova
- Department of Pharmaceutical Chemistry and Pharmaceutical Analysis, Faculty of Pharmacy in Hradec Kralove, Charles University in Prague, Heyrovskeho 1203, 500 05 Hradec Kralove, Czech Republic.
| | - Jiri Kunes
- Department of Inorganic and Organic Chemistry, Faculty of Pharmacy in Hradec Kralove, Charles University in Prague, Heyrovskeho 1203, 500 05 Hradec Kralove, Czech Republic.
| | - Vladimir Buchta
- Department of Biological and Medical Sciences, Faculty of Pharmacy in Hradec Kralove, Charles University in Prague, Heyrovskeho 1203, 500 05 Hradec Kralove, Czech Republic.
- Department of Clinical Microbiology, University Hospital Hradec Kralove, Sokolska 581, 500 05 Hradec Kralove, Czech Republic.
| | - Marcela Vejsova
- Department of Biological and Medical Sciences, Faculty of Pharmacy in Hradec Kralove, Charles University in Prague, Heyrovskeho 1203, 500 05 Hradec Kralove, Czech Republic.
- Department of Clinical Microbiology, University Hospital Hradec Kralove, Sokolska 581, 500 05 Hradec Kralove, Czech Republic.
| | - Pavla Paterova
- Department of Biological and Medical Sciences, Faculty of Pharmacy in Hradec Kralove, Charles University in Prague, Heyrovskeho 1203, 500 05 Hradec Kralove, Czech Republic.
- Department of Clinical Microbiology, University Hospital Hradec Kralove, Sokolska 581, 500 05 Hradec Kralove, Czech Republic.
| | - Lucia Semelkova
- Department of Pharmaceutical Chemistry and Pharmaceutical Analysis, Faculty of Pharmacy in Hradec Kralove, Charles University in Prague, Heyrovskeho 1203, 500 05 Hradec Kralove, Czech Republic.
| | - Ondrej Jandourek
- Department of Pharmaceutical Chemistry and Pharmaceutical Analysis, Faculty of Pharmacy in Hradec Kralove, Charles University in Prague, Heyrovskeho 1203, 500 05 Hradec Kralove, Czech Republic.
| | - Veronika Opletalova
- Department of Pharmaceutical Chemistry and Pharmaceutical Analysis, Faculty of Pharmacy in Hradec Kralove, Charles University in Prague, Heyrovskeho 1203, 500 05 Hradec Kralove, Czech Republic.
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Chalcone scaffolds as anti-infective agents: structural and molecular target perspectives. Eur J Med Chem 2015; 101:496-524. [PMID: 26188621 DOI: 10.1016/j.ejmech.2015.06.052] [Citation(s) in RCA: 121] [Impact Index Per Article: 13.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/17/2015] [Revised: 05/27/2015] [Accepted: 06/28/2015] [Indexed: 12/11/2022]
Abstract
In recent years, widespread outbreak of numerous infectious diseases across the globe has created havoc among the population. Particularly, the inhabitants of tropical and sub-tropical regions are mainly affected by these pathogens. Several natural and (semi) synthetic chalcones deserve the credit of being potential anti-infective candidates that inhibit various parasitic, malarial, bacterial, viral, and fungal targets like cruzain-1/2, trypanopain-Tb, trans-sialidase, glyceraldehyde-3-phosphate dehydrogenase (GAPDH), fumarate reductase, falcipain-1/2, β-hematin, topoisomerase-II, plasmepsin-II, lactate dehydrogenase, protein kinases (Pfmrk and PfPK5), and sorbitol-induced hemolysis, DEN-1 NS3, H1N1, HIV (Integrase/Protease), protein tyrosine phosphatase A/B (Ptp-A/B), FtsZ, FAS-II, lactate/isocitrate dehydrogenase, NorA efflux pump, DNA gyrase, fatty acid synthase, chitin synthase, and β-(1,3)-glucan synthase. In this review, a comprehensive study (from Jan. 1982 to May 2015) of the structural features of anti-infective chalcones, their mechanism of actions (MOAs) and structure activity relationships (SARs) have been highlighted. With the knowledge of molecular targets, structural insights and SARs, this review may be helpful for (medicinal) chemists to design more potent, safe, selective and cost effective anti-infective agents.
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Méndez L, Mata EG. Solid-supported cross-metathesis and a formal alkane metathesis for the generation of biologically relevant molecules. ACS COMBINATORIAL SCIENCE 2015; 17:81-6. [PMID: 25569690 DOI: 10.1021/co500176b] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
Abstract
Solid-phase synthetic strategies toward the generation of libraries of biologically relevant molecules were developed using olefin cross-metathesis as a key step. It is remarkably the formal alkane metathesis based on a one-pot, microwave-assisted, ruthenium-catalyzed cross-metathesis and reduction to obtain Csp3-Csp3 linkages.
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Affiliation(s)
- Luciana Méndez
- Instituto de Química
Rosario (CONICET—UNR), Facultad de Ciencias Bioquímicas
y Farmacéuticas, Universidad Nacional de Rosario, Suipacha
531, 2000 Rosario, Argentina
| | - Ernesto G. Mata
- Instituto de Química
Rosario (CONICET—UNR), Facultad de Ciencias Bioquímicas
y Farmacéuticas, Universidad Nacional de Rosario, Suipacha
531, 2000 Rosario, Argentina
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Venkateswararao E, Sharma VK, Yun J, Kim Y, Jung SH. Anti-proliferative effect of chalcone derivatives through inactivation of NF-κB in human cancer cells. Bioorg Med Chem 2014; 22:3386-92. [PMID: 24835787 DOI: 10.1016/j.bmc.2014.04.045] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/18/2014] [Revised: 04/22/2014] [Accepted: 04/23/2014] [Indexed: 12/26/2022]
Abstract
To investigate the anti-proliferative effect of NF-κB inhibitor, a series of analogs of (E)-1-(2-hydroxy-6-(isopentyloxy)phenyl)-3-(4-hydroxyphenyl)prop-2-en-1-one (5a) were prepared and evaluated for their NF-κB inhibition and anti-proliferative activity against various human cancer cell lines. Compounds (E)-1-(2-(3,3-dimethylbutoxy)-6-hydroxyphenyl)-3-(4-hydroxyphenyl)prop-2-en-1-one (5e) and (E)-4-(3-(2-(3,3-dimethylbutoxy)-6-hydroxyphenyl)-3-oxoprop-1-enyl)benzenesulfonamide (5p) showed good NF-κB inhibition as well as potent anti-proliferative activity. SAR studies showed that all the compounds with potent or moderate NF-κB inhibition displayed good anti-proliferative activity. All the analogs (5b-r) maintained a good correlation between their NF-κB inhibition and anti-proliferative activity though the extent is not directly proportional to each other.
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Affiliation(s)
- Eeda Venkateswararao
- College of Pharmacy and Institute of Drug Research and Development, Chungnam National University, Daejeon 305-764, South Korea
| | - Vinay K Sharma
- College of Pharmacy and Institute of Drug Research and Development, Chungnam National University, Daejeon 305-764, South Korea
| | - Jieun Yun
- Bioevaluation Center, Korea Research Institute of Bioscience and Biotechnology, Cheongwon 363-883, South Korea
| | - Youngsoo Kim
- College of Pharmacy, Chungbuk National University, Cheongju 361-763, South Korea
| | - Sang-Hun Jung
- College of Pharmacy and Institute of Drug Research and Development, Chungnam National University, Daejeon 305-764, South Korea.
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25
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Bindu PJ, Mahadevan KM, Naik TRR, Harish BG. Synthesis, DNA binding, docking and photocleavage studies of quinolinyl chalcones. MEDCHEMCOMM 2014. [DOI: 10.1039/c4md00185k] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Abstract
A series of simple quinoline–chalcone conjugates have been synthesized and evaluated for their nucleolytic activity. The compounds 3c and 3d exhibited promising DNA binding and DNA photocleavage studies.
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Affiliation(s)
- P. J. Bindu
- Department of Studies and Research in Chemistry
- Kuvempu University
- , India
| | - K. M. Mahadevan
- Department of Studies and Research in Chemistry
- Kuvempu University
- , India
| | - T. R. Ravikumar Naik
- Department of Center of Nano Science and Engineering
- Indian Institute of Science
- Bangalore 560 012, India
| | - B. G. Harish
- Department of Biotechnology
- M.S. Ramaiah Institute of Technology
- Bengaluru, India
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26
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Sivakumar PM, Prabhawathi V, Neelakandan R, Doble M. Chalcone coating on cotton cloth – an approach to reduce attachment of live microbes. Biomater Sci 2014; 2:990-995. [DOI: 10.1039/c3bm60312a] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Cloths coated with 4-sulfonylmethyl chalcone prevented the growth of Gram positive and Gram negative microorganisms.
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Affiliation(s)
| | - Veluchamy Prabhawathi
- Department of Biotechnology
- Indian Institute of Technology Madras
- Chennai 600036, India
| | | | - Mukesh Doble
- Department of Biotechnology
- Indian Institute of Technology Madras
- Chennai 600036, India
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O(2)-dependent efficacy of novel piperidine- and piperazine-based chalcones against the human parasite Giardia intestinalis. Antimicrob Agents Chemother 2013; 58:543-9. [PMID: 24217695 DOI: 10.1128/aac.00990-13] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023] Open
Abstract
Giardia intestinalis is the most frequent protozoan agent of intestinal diseases worldwide. Though commonly regarded as an anaerobic pathogen, it preferentially colonizes the fairly oxygen-rich mucosa of the proximal small intestine. Therefore, when testing new potential antigiardial drugs, O2 should be taken into account, since it also reduces the efficacy of metronidazole, the gold standard drug against giardiasis. In this study, 46 novel chalcones were synthesized by microwave-assisted Claisen-Schmidt condensation, purified, characterized by high-resolution mass spectrometry, (1)H and (13)C nuclear magnetic resonance, and infrared spectroscopy, and tested for their toxicity against G. intestinalis under standard anaerobic conditions. As a novel approach, compounds showing antigiardial activity under anaerobiosis were also assayed under microaerobic conditions, and their selectivity against parasitic cells was assessed in a counterscreen on human epithelial colorectal adenocarcinoma cells. Among the tested compounds, three [30(a), 31(e), and 33] were more effective in the presence of O2 than under anaerobic conditions and killed the parasite 2 to 4 times more efficiently than metronidazole under anaerobiosis. Two of them [30(a) and 31(e)] proved to be selective against parasitic cells, thus representing potential candidates for the design of novel antigiardial drugs. This study highlights the importance of testing new potential antigiardial agents not only under anaerobic conditions but also at low, more physiological O2 concentrations.
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Kumar R, Arora J, Prasad AK, Islam N, Verma AK. Synthesis and antimicrobial activity of pyrimidine chalcones. Med Chem Res 2013. [DOI: 10.1007/s00044-013-0555-y] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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Schott JT, Mordaunt CE, Vargas AJ, Leon MA, Chen KH, Singh M, Satoh M, Cardenas EL, Maitra S, Patel NV, de Lijser HJP. Effects of structural and electronic characteristics of chalcones on the activation of peroxisome proliferator-activated receptor gamma. Chem Pharm Bull (Tokyo) 2012. [PMID: 23183544 DOI: 10.1248/cpb.c12-00749] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
Chalcones share some structural similarities with GW-1929, a highly-selective and potent agonist for peroxisome proliferator-activated receptor-gamma (PPARγ). In this study, we tested 53 structurally diverse chalcones to identify characteristics essential for PPARγ activation in a GAL4-based transactivation assay. This screen identified several novel chalcone agonists of PPARγ. Our results indicate that chalcones with an electron rich group or sterically large groups such as naphthyl on the carbonyl side tend to activate PPARγ. The absence of any strict structural or electronic requirements suggests that the flexibility of the PPARγ ligand binding pocket may allow binding of diverse chalcones with some preference for a slightly larger electron-rich group on the carbonyl side. We predict that further structure-activity relationship studies on chalcones with naphthalene or electron-rich groups near the carbonyl moiety will lead to the development of more potent PPARγ agonists.
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Affiliation(s)
- Jason Taylor Schott
- Department of Biological Science, California State University, Fullerton, CA 92831, USA
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Synthesis of novel quinoline-2-one based chalcones of potential anti-tumor activity. Eur J Med Chem 2012; 57:29-40. [PMID: 23043766 DOI: 10.1016/j.ejmech.2012.08.039] [Citation(s) in RCA: 91] [Impact Index Per Article: 7.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2012] [Revised: 08/27/2012] [Accepted: 08/28/2012] [Indexed: 11/23/2022]
Abstract
Novel quinoline-2-one based chalcones were synthesized from a Claisen-Schmidt condensation by using the couple KOH/1,4-dioxane as reaction medium. A relatively stable aldol was isolated and identified as the intermediate species in the formation of the target chalcones. Nine of the obtained compounds were in vitro screened by the US National Cancer Institute (NCI) for their ability to inhibit 60 different human tumor cell lines. Products 16c, 16d, 16h and 27 exhibited the highest activity, being compound 27 the most active, displaying remarkable activity against 50 human tumor cell lines, thirteen of them with GI(50) values ≤1.0 μM, being the HCT-116 (Colon, GI(50) = 0.131 μM) and LOX IMVI (Melanoma, GI(50) = 0.134 μM) the most sensitive strains. Compound 27 was referred to in vivo acute toxicity and hollow fiber assay by the Biological Evaluation Committee of the NCI. The acute toxicity study indicated that compound 27 was well tolerated intraperitoneally (150 mg/kg/dose) by athymic nude mice. This compound may possibly be used as lead compound for developing new anticancer agents.
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Varinska L, van Wijhe M, Belleri M, Mitola S, Perjesi P, Presta M, Koolwijk P, Ivanova L, Mojzis J. Anti-angiogenic activity of the flavonoid precursor 4-hydroxychalcone. Eur J Pharmacol 2012; 691:125-33. [PMID: 22721615 DOI: 10.1016/j.ejphar.2012.06.017] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2011] [Revised: 04/23/2012] [Accepted: 06/10/2012] [Indexed: 12/11/2022]
Abstract
Angiogenesis, the growth of new blood vessels, is necessary for cancerous tumors to keep growing and spreading. Suppression of abnormal angiogenesis may provide therapeutic strategies for the treatment of angiogenesis-dependent disorders. In the present study, we describe the in vitro and in vivo anti-angiogenic activities of the flavonoid precursor 4-hydroxychalcone (Q797). This chalcone (22μg/ml) suppressed several steps of angiogenesis, including endothelial cell proliferation, migration and tube formation without showing any signs of cytotoxicity. Moreover, we found a selective effect on activated endothelial cells, in particular with resting endothelial cells and the human epithelial tumor cell lines (HeLa, MCF-7, A549). In addition, Q797 was able to modulate both vascular endothelial growth factor (VEGF)- and basic fibroblast growth factor (FGF)- induced phosphorylation of extracellular signal-regulated kinase (ERK)-1/-2 and Akt kinase. It did not influence the nuclear translocation of p65 subunit of the nuclear factor-κB (NF-κB) when human endothelial cells were stimulated with tumor necrosis factor (TNF)-α. Taken together this indicates that the Q797-mediated inhibition of in vitro angiogenic features of endothelial cells is most likely caused by suppression of growth factor pathways. The potent inhibitory effect of Q797 on bFGF-driven neovascularization was also demonstrated in vivo using the chick chorioallantoic membrane (CAM) assay. In summary, this chalcone could serve as a new leading structure in the discovery of new potent synthetic angiogenesis inhibitors.
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Affiliation(s)
- Lenka Varinska
- Department of Pharmacology, Faculty of Medicine, Pavol Jozef Safarik University, Trieda SNP 1, 04011 Kosice, Slovak Republic.
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Chalcone embedded polyurethanes as a biomaterial: Synthesis, characterization and antibacterial adhesion. Carbohydr Polym 2012; 87:353-360. [DOI: 10.1016/j.carbpol.2011.07.061] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2011] [Revised: 07/28/2011] [Accepted: 07/28/2011] [Indexed: 11/22/2022]
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Puratchikody A, Natarajan R, Jayapal M, Doble M. Synthesis, In Vitro Antitubercular Activity and 3D-QSAR of Novel Quinoxaline Derivatives. Chem Biol Drug Des 2011; 78:988-98. [DOI: 10.1111/j.1747-0285.2011.01246.x] [Citation(s) in RCA: 24] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/16/2023]
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Saíz-Urra L, Cabrera Pérez MÁ, Helguera AM, Froeyen M. Combining molecular docking and QSAR studies for modelling the antigyrase activity of cyclothialidine derivatives. Eur J Med Chem 2011; 46:2736-47. [PMID: 21530019 DOI: 10.1016/j.ejmech.2011.03.061] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/25/2010] [Revised: 03/21/2011] [Accepted: 03/29/2011] [Indexed: 11/20/2022]
Abstract
DNA gyrase is a well-established antibacterial target consisting of two subunits, GyrA and GyrB, in a heterodimer A(2)B(2), where GyrB catalyzes the hydrolysis of ATP. Cyclothialidine (Ro 09-1437) has been considered as a promising inhibitor whose modifications might lead to more potent compounds against the enzyme. We report here for the first time, QSAR studies regarding to ATPase inhibitors of DNA Gyrase. 1D, 2D and 3D descriptors from DRAGON software were used on a set of 42 cyclothialidine derivatives. Based on the core of the cyclothialidine GR122222X, different conformations were created by using OMEGA. FRED was used to dock these conformers in the cavity of the GyrB subunit to select the best conformations, paying special attention to the 12-membered ring. Three QSAR models were developed considering the dimension of the descriptors. The models were robust, predictive and good in statistical significance, over 70% of the experimental variance was explained. Interpretability of the models was possible by extracting the SAR(s) encoded by these predictive models. Analyzing the compound-enzyme interactions of the complexes obtained by docking allowed us to increase the reliability of the information obtained for the QSAR models.
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Affiliation(s)
- Liane Saíz-Urra
- Centro de Bioactivos Quimicos, Universidad Central "Marta Abreu" de las Villas, Carretera a Camajuani Km 5.5, Santa Clara (54830), Villa Clara, Cuba.
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Umamatheswari S, Balaji B, Ramanathan M, Kabilan S. Synthesis, stereochemistry, antimicrobial evaluation and QSAR studies of 2,6-diaryltetrahydropyran-4-one thiosemicarbazones. Eur J Med Chem 2011; 46:1415-24. [DOI: 10.1016/j.ejmech.2011.01.029] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/18/2010] [Revised: 12/25/2010] [Accepted: 01/15/2011] [Indexed: 11/15/2022]
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36
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Sivakumar PM, Ganesan S, Veluchamy P, Doble M. Novel chalcones and 1,3,5-triphenyl-2-pyrazoline derivatives as antibacterial agents. Chem Biol Drug Des 2010; 76:407-11. [DOI: 10.1111/j.1747-0285.2010.01020.x] [Citation(s) in RCA: 60] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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37
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Łącka I, Konieczny MT, Bułakowska A, Rzymowski T, Milewski S. Antifungal action of the oxathiolone-fused chalcone derivative. Mycoses 2010; 54:e407-14. [DOI: 10.1111/j.1439-0507.2010.01936.x] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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38
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Arutchelvi J, Doble M. Characterization of glycolipid biosurfactant from Pseudomonas aeruginosa CPCL isolated from petroleum-contaminated soil. Lett Appl Microbiol 2010; 51:75-82. [PMID: 20477962 DOI: 10.1111/j.1472-765x.2010.02858.x] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
AIMS To isolate and characterize the biosurfactant-producing micro-organism from petroleum-contaminated soil as well as to determine the biochemical properties of the biosurfactant. METHODS AND RESULTS A novel rhamnolipid-producing Pseudomonas aeruginosa (GenBank accession number GQ241355) strain was isolated from a petroleum-contaminated soil. Surface active compound was separated by solvent extraction of the acidified culture supernatant. The extract was able to reduce the surface tension of water from 72 to 44 mN m(-1) at a critical micelle concentration of 11.27 +/- 1.85 mg l(-1). It showed better activity (based on microdilution method) against Gram-positive (<or= 31 mg ml(-1)) bacteria and filamentous fungi (<or= 50 mg ml(-1)) than Gram-negative bacteria (>or= 125 mg ml(-1)) with mild toxicity (HC(50)- 38 +/- 8.22 microg ml(-1)) to red blood cells. Fourier transform infrared spectroscopy revealed the presence of aliphatic chain, hydroxyl groups, ester and glycosidic bonds. Presence of nineteen rhamnolipid homologues with variation in chain length and saturation was revealed from liquid chromatography coupled to mass spectrometry with electrospray ionization. CONCLUSION The results indicate that the isolated biosurfactant has a novel combination of rhamnolipid congeners with unique properties. SIGNIFICANCE AND IMPACT OF THE STUDY This study provides a biosurfactant, which can be used as a biocontrol agent against phytopathogens (Fusarium proliferatum NCIM 1105 and Aspergillus niger NCIM 596) and exploited for biomedical applications.
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Affiliation(s)
- J Arutchelvi
- Department of Biotechnology, Indian Institute of Technology Madras, Chennai, India
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Foroumadi A, Emami S, Sorkhi M, Nakhjiri M, Nazarian Z, Heydari S, Ardestani SK, Poorrajab F, Shafiee A. Chromene-Based Synthetic Chalcones as Potent Antileishmanial Agents: Synthesis and Biological Activity. Chem Biol Drug Des 2010; 75:590-6. [DOI: 10.1111/j.1747-0285.2010.00959.x] [Citation(s) in RCA: 55] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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