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Chen H, Jiang Z, Tong H, Mai Z, Kong R, Zhang W, Zhang MZ, Chen K, Zhu Y. Discovery of Novel Acethydrazide-Containing Flavonol Derivatives as Potential Antifungal Agents. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2024; 72:17229-17239. [PMID: 39052285 DOI: 10.1021/acs.jafc.4c02654] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 07/27/2024]
Abstract
In this study, a series of novel hydrazide-containing flavonol derivatives was designed, synthesized, and evaluated for antifungal activity. In the in vitro antifungal assay, most of the target compounds exhibited potent antifungal activity against seven tested phytopathogenic fungi. In particular, compound C32 showed the best antifungal activity against Rhizoctonia solani (EC50 = 0.170 μg/mL), outperforming carbendazim (EC50 = 0.360 μg/mL) and boscalid (EC50 = 1.36 μg/mL). Compound C24 exhibited excellent antifungal activity against Valsa mali, Botrytis cinerea, and Alternaria alternata with EC50 values of 0.590, 0.870, and 1.71 μg/mL, respectively. The in vivo experiments revealed that compounds C32 and C24 were potential novel agricultural antifungals. 3D quantitative structure-activity relationship (3D-QSAR) models were used to analyze the structure-activity relationships of these compounds. The analysis results indicated that introducing appropriate electronegative groups at position 4 of a benzene ring could effectively improve the anti-R. solani activity. In the antifungal mechanism study, scanning electron microscopy and transmission electron microscopy analyses revealed that C32 disrupted the normal growth of hyphae by affecting the structural integrity of the cell membrane and cellular respiration. Furthermore, compound C32 exhibited potent succinate dehydrogenase (SDH) inhibitory activity (IC50 = 8.42 μM), surpassing that of the SDH fungicide boscalid (IC50 = 15.6 μM). The molecular dynamics simulations and docking experiments suggested that compound C32 can occupy the active site and form strong interactions with the key residues of SDH. Our findings have great potential for aiding future research on plant disease control in agriculture.
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Affiliation(s)
- Hongyi Chen
- Jiangsu Key Laboratory of Pesticide Science, College of Sciences, Nanjing Agricultural University, Nanjing 210095, China
| | - Zunyun Jiang
- Jiangsu Key Laboratory of Pesticide Science, College of Sciences, Nanjing Agricultural University, Nanjing 210095, China
| | - He Tong
- Jiangsu Key Laboratory of Pesticide Science, College of Sciences, Nanjing Agricultural University, Nanjing 210095, China
| | - Ziyun Mai
- Jiangsu Key Laboratory of Pesticide Science, College of Sciences, Nanjing Agricultural University, Nanjing 210095, China
| | - Ren Kong
- Institute of Bioinformatics and Medical Engineering, School of Electrical and Information Engineering, Jiangsu University of Technology, Changzhou 213001, China
| | - Weihua Zhang
- Jiangsu Key Laboratory of Pesticide Science, College of Sciences, Nanjing Agricultural University, Nanjing 210095, China
| | - Ming-Zhi Zhang
- Jiangsu Key Laboratory of Pesticide Science, College of Sciences, Nanjing Agricultural University, Nanjing 210095, China
| | - Kang Chen
- Jiangsu Key Laboratory of Pesticide Science, College of Sciences, Nanjing Agricultural University, Nanjing 210095, China
| | - Yingguang Zhu
- Jiangsu Key Laboratory of Pesticide Science, College of Sciences, Nanjing Agricultural University, Nanjing 210095, China
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Bostancıklıoğlu M, İğci M, Ulaşlı M. Nigella sativa, Anthemis hyaline and Citrus sinensis extracts reduce SARS-CoV-2 replication by fluctuating Rho GTPase, PI3K-AKT, and MAPK/ERK pathways in HeLa-CEACAM1a cells. Gene 2024; 911:148366. [PMID: 38485035 DOI: 10.1016/j.gene.2024.148366] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/07/2024] [Revised: 02/18/2024] [Accepted: 03/11/2024] [Indexed: 03/18/2024]
Abstract
Traditional remedies have long utilized Anthemis hyaline, Nigella sativa, and Citrus sinensis peel extracts as treatments for microbial infections. This study aimed to investigate the influence of Anthemis hyaline, Nigella sativa, and Citrus sinensis extracts on coronavirus replication and apoptosis-related pathways. HeLa-CEACAM1a cells were exposed to mouse hepatitis virus-A59. After viral inoculation, the mRNA levels of 36 genes were quantified using a Fluidigm Dynamic Array nanofluidic chip. IL-8 level and intracellular Ca2+ concentration was measured, and viral titer was assessed by the TCID50/ml assay to detect the extent of infection. Treatment with Nigella sativa extract surged the inflammatory cytokine IL-8 level at both 24 and 48-hour. Changes in gene expression were notable for RHOA, VAV3, ROCK2, CFL1, RASA1, and MPRIP genes following treatment with any of the extracts. The addition of Anthemis hyaline, Nigella sativa, or Citrus sinensis extracts to coronavirus-infected cells reduced viral presence, with Anthemis hyaline extract leading to a virtually undetectable viral load at 6- and 8-hours after infection. While all treatments influenced IL-8 production and viral levels, Anthemis hyaline extract displayed the most pronounced reduction in viral load. Consequently, Anthemis hyaline extract emerges as the most promising agent, harboring potential therapeutic compounds.
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Affiliation(s)
- Mehmet Bostancıklıoğlu
- Department of Physiology, Faculty of Medicine, Gaziantep University, 27310 Gaziantep, Turkey; Institute of Experimental and Clinical Research, Pole of Endocrinology, Diabetes and Nutrition, Université Catholique de Louvain, Brussels, Belgium
| | - Mehri İğci
- Department of Medical Biology, Faculty of Medicine, Gaziantep University, 27310 Gaziantep, Turkey
| | - Mustafa Ulaşlı
- Department of Medical Biology, Faculty of Medicine, Gaziantep University, 27310 Gaziantep, Turkey.
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Liu X, Zhang Y, Zou Y, Yan C, Chen J. Recent Advances and Outlook of Benzopyran Derivatives in the Discovery of Agricultural Chemicals. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2024; 72:12300-12318. [PMID: 38800848 DOI: 10.1021/acs.jafc.3c09244] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/29/2024]
Abstract
Scaffold structures, new mechanisms of action, and targets present enormous challenges in the discovery of novel pesticides. The discovery of new scaffolds is the basis for the continuous development of modern agrochemicals. Identification of a good scaffold such as triazole, carbamate, methoxy acrylate, pyrazolamide, pyrido-pyrimidinone mesoionic, and bisamide often leads to the development of a new series of pesticides. In addition, pesticides with the same target, including the inhibitors of succinate dehydrogenase (SDH), oxysterol-binding-protein, and p-hydroxyphenyl pyruvate dioxygenase (HPPD), may have the same or similar scaffold structure. Recent years have witnessed significant progress in the discovery of new pesticides using natural products as scaffolds or bridges. In recent years, there have been increasing reports on the application of natural benzopyran compounds in the discovery of new pesticides, especially osthole and coumarin. A systematic and comprehensive review of benzopyran active compounds in the discovery of new agricultural chemicals is helpful to promote the discussion and development of benzopyran active compounds. Therefore, this work systematically reviewed the research and application of benzopyran derivatives in the discovery of agricultural chemicals, summarized the antiviral, herbicidal, antibacterial, fungicidal, insecticidal, nematicidal and acaricidal activities of benzopyran active compounds, and discussed the structural-activity relationship and mechanism of action. In addition, some active fragments were recommended to further optimize the chemical structure of benzopyran active compounds based on reference information.
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Affiliation(s)
- Xing Liu
- State Key Laboratory of Green Pesticide, Key Laboratory of Green Pesticide and Agricultural Bioengineering, Ministry of Education, Center for R&D of Fine Chemicals of Guizhou University, Guiyang 550025, China
| | - Yong Zhang
- State Key Laboratory of Green Pesticide, Key Laboratory of Green Pesticide and Agricultural Bioengineering, Ministry of Education, Center for R&D of Fine Chemicals of Guizhou University, Guiyang 550025, China
| | - Yue Zou
- State Key Laboratory of Green Pesticide, Key Laboratory of Green Pesticide and Agricultural Bioengineering, Ministry of Education, Center for R&D of Fine Chemicals of Guizhou University, Guiyang 550025, China
| | - Chongchong Yan
- State Key Laboratory of Green Pesticide, Key Laboratory of Green Pesticide and Agricultural Bioengineering, Ministry of Education, Center for R&D of Fine Chemicals of Guizhou University, Guiyang 550025, China
| | - Jixiang Chen
- State Key Laboratory of Green Pesticide, Key Laboratory of Green Pesticide and Agricultural Bioengineering, Ministry of Education, Center for R&D of Fine Chemicals of Guizhou University, Guiyang 550025, China
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Boone SA, Ijaz MK, Bright KR, Silva-Beltran NP, Nims RW, McKinney J, Gerba CP. Antiviral Natural Products, Their Mechanisms of Action and Potential Applications as Sanitizers and Disinfectants. FOOD AND ENVIRONMENTAL VIROLOGY 2023; 15:265-280. [PMID: 37906416 DOI: 10.1007/s12560-023-09568-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/20/2023] [Accepted: 09/29/2023] [Indexed: 11/02/2023]
Abstract
Plant extracts, natural products and plant oils contain natural virucidal actives that can be used to replace active ingredients in commercial sanitizers and disinfectants. This review focuses on the virucidal mechanisms of natural substances that may exhibit potential for indoor air and fomite disinfection. Review of scientific studies indicates: (1) most natural product studies use crude extracts and do not isolate or identify exact active antiviral substances; (2) many natural product studies contain unclear explanations of virucidal mechanisms of action; (3) natural product evaluations of virucidal activity should include methods that validate efficacy under standardized disinfectant testing procedures (e.g., carrier tests on applicable surfaces or activity against aerosolized viruses, etc.). The development of natural product disinfectants requires a better understanding of the mechanisms of action (MOA), chemical profiles, compound specificities, activity spectra, and the chemical formulations required for maximum activity. Combinations of natural antiviral substances and possibly the addition of synthetic compounds might be needed to increase inactivation of a broader spectrum of viruses, thereby providing the required efficacy for surface and air disinfection.
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Affiliation(s)
- Stephanie A Boone
- Department of Environmental Science, University of Arizona, Tucson, AZ, USA.
| | - M Khalid Ijaz
- Global Research & Development for Lysol and Dettol, Reckitt Benckiser LLC, Montvale, NJ, USA
| | - Kelly R Bright
- Department of Environmental Science, University of Arizona, Tucson, AZ, USA
| | | | | | - Julie McKinney
- Global Research & Development for Lysol and Dettol, Reckitt Benckiser LLC, Montvale, NJ, USA
| | - Charles P Gerba
- Department of Environmental Science, University of Arizona, Tucson, AZ, USA
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5
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Liu F, Cao X, Zhang T, Xing L, Sun Z, Zeng W, Xin H, Xue W. Synthesis and Biological Activity of Myricetin Derivatives Containing Pyrazole Piperazine Amide. Int J Mol Sci 2023; 24:10442. [PMID: 37445627 DOI: 10.3390/ijms241310442] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2023] [Revised: 06/13/2023] [Accepted: 06/15/2023] [Indexed: 07/15/2023] Open
Abstract
In this paper, a series of derivatives were synthesized by introducing the pharmacophore pyrazole ring and piperazine ring into the structure of the natural product myricetin through an amide bond. The structures were determined using carbon spectrum and hydrogen spectrum high-resolution mass spectrometry. Biological activities of those compounds against bacteria, including Xac (Xanthomonas axonopodis pv. Citri), Psa (Pseudomonas syringae pv. Actinidiae) and Xoo (Xanthomonas oryzae pv. Oryzae) were tested. Notably, D6 exhibited significant bioactivity against Xoo with an EC50 value of 18.8 μg/mL, which was higher than the control drugs thiadiazole-copper (EC50 = 52.9 μg/mL) and bismerthiazol (EC50 = 69.1 μg/mL). Furthermore, the target compounds were assessed for their antifungal activity against ten plant pathogenic fungi. Among them, D1 displayed excellent inhibitory activity against Phomopsis sp. with an EC50 value of 16.9 μg/mL, outperforming the control agents azoxystrobin (EC50 = 50.7 μg/mL) and fluopyram (EC50 = 71.8 μg/mL). In vitro tests demonstrated that D1 possessed curative (60.6%) and protective (74.9%) effects on postharvest kiwifruit. To investigate the active mechanism of D1, its impact on SDH activity was evaluated based on its structural features and further confirmed through molecular docking. Subsequently, the malondialdehyde content of D1-treated fungi was measured, revealing that D1 could increase malondialdehyde levels, thereby causing damage to the cell membrane. Additionally, the EC50 value of D16 on P. capsici was 11.3 μg/mL, which was superior to the control drug azoxystrobin (EC50 = 35.1 μg/mL), and the scanning electron microscopy results indicated that the surface of drug-treated mycelium was ruffled, and growth was significantly affected.
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Affiliation(s)
- Fang Liu
- National Key Laboratory of Green Pesticide, Key Laboratory of Green Pesticide and Agricultural Bioengineering, Ministry of Education, Center for R&D of Fine Chemicals of Guizhou University, Guiyang 550025, China
| | - Xiao Cao
- National Key Laboratory of Green Pesticide, Key Laboratory of Green Pesticide and Agricultural Bioengineering, Ministry of Education, Center for R&D of Fine Chemicals of Guizhou University, Guiyang 550025, China
| | - Tao Zhang
- National Key Laboratory of Green Pesticide, Key Laboratory of Green Pesticide and Agricultural Bioengineering, Ministry of Education, Center for R&D of Fine Chemicals of Guizhou University, Guiyang 550025, China
| | - Li Xing
- National Key Laboratory of Green Pesticide, Key Laboratory of Green Pesticide and Agricultural Bioengineering, Ministry of Education, Center for R&D of Fine Chemicals of Guizhou University, Guiyang 550025, China
| | - Zhiling Sun
- National Key Laboratory of Green Pesticide, Key Laboratory of Green Pesticide and Agricultural Bioengineering, Ministry of Education, Center for R&D of Fine Chemicals of Guizhou University, Guiyang 550025, China
| | - Wei Zeng
- National Key Laboratory of Green Pesticide, Key Laboratory of Green Pesticide and Agricultural Bioengineering, Ministry of Education, Center for R&D of Fine Chemicals of Guizhou University, Guiyang 550025, China
| | - Hui Xin
- National Key Laboratory of Green Pesticide, Key Laboratory of Green Pesticide and Agricultural Bioengineering, Ministry of Education, Center for R&D of Fine Chemicals of Guizhou University, Guiyang 550025, China
| | - Wei Xue
- National Key Laboratory of Green Pesticide, Key Laboratory of Green Pesticide and Agricultural Bioengineering, Ministry of Education, Center for R&D of Fine Chemicals of Guizhou University, Guiyang 550025, China
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Cao X, He B, Liu F, Zhang Y, Xing L, Zhang N, Zhou Y, Gong C, Xue W. Design, synthesis and bioactivity of myricetin derivatives for control of fungal disease and tobacco mosaic virus disease. RSC Adv 2023; 13:6459-6465. [PMID: 36845581 PMCID: PMC9947517 DOI: 10.1039/d2ra08176h] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2022] [Accepted: 02/18/2023] [Indexed: 02/25/2023] Open
Abstract
A series of myricetin derivatives containing isoxazole were designed and synthesized. All the synthesized compounds were characterized by NMR and HRMS. In terms of antifungal activity, Y3 had a good inhibitory effect on Sclerotinia sclerotiorum (Ss), and the median effective concentration (EC50) value was 13.24 μg mL-1, which was better than azoxystrobin (23.04 μg mL-1) and kresoxim-methyl (46.35 μg mL-1). Release of cellular contents and cell membrane permeability experiments further revealed that Y3 causes the destruction of the cell membrane of the hyphae, which in turn plays an inhibitory role. The anti-tobacco mosaic virus (TMV) activity in vivo showed that Y18 had the best curative and protective activities, with EC50 values of 286.6 and 210.1 μg mL-1 respectively, the effect was better than ningnanmycin. Microscale thermophoresis (MST) data showed that Y18 had a strong binding affinity with tobacco mosaic virus coat protein (TMV-CP), with a dissociation constant (K d) value of 0.855 μM, which was better than ningnanmycin (2.244 μM). Further molecular docking revealed that Y18 interacts with multiple key amino acid residues of TMV-CP, which may hinder the self-assembly of TMV particles. Overall, after the introduction of isoxazole on the structure of myricetin, its anti-Ss and anti-TMV activities have been significantly improved, which can be further studied.
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Affiliation(s)
- Xiao Cao
- National Key Laboratory of Green Pesticide, Key Laboratory of Green Pesticide and Agricultural Bioengineering, Ministry of Education, Center for R&D of Fine Chemicals of Guizhou University Guiyang 550025 P. R. China +86-851-88292090 +86-851-88292090
| | - Bangcan He
- National Key Laboratory of Green Pesticide, Key Laboratory of Green Pesticide and Agricultural Bioengineering, Ministry of Education, Center for R&D of Fine Chemicals of Guizhou University Guiyang 550025 P. R. China +86-851-88292090 +86-851-88292090
| | - Fang Liu
- National Key Laboratory of Green Pesticide, Key Laboratory of Green Pesticide and Agricultural Bioengineering, Ministry of Education, Center for R&D of Fine Chemicals of Guizhou University Guiyang 550025 P. R. China +86-851-88292090 +86-851-88292090
| | - Yuanquan Zhang
- National Key Laboratory of Green Pesticide, Key Laboratory of Green Pesticide and Agricultural Bioengineering, Ministry of Education, Center for R&D of Fine Chemicals of Guizhou University Guiyang 550025 P. R. China +86-851-88292090 +86-851-88292090
| | - Li Xing
- National Key Laboratory of Green Pesticide, Key Laboratory of Green Pesticide and Agricultural Bioengineering, Ministry of Education, Center for R&D of Fine Chemicals of Guizhou University Guiyang 550025 P. R. China +86-851-88292090 +86-851-88292090
| | - Nian Zhang
- National Key Laboratory of Green Pesticide, Key Laboratory of Green Pesticide and Agricultural Bioengineering, Ministry of Education, Center for R&D of Fine Chemicals of Guizhou University Guiyang 550025 P. R. China +86-851-88292090 +86-851-88292090
| | - Yuanxiang Zhou
- National Key Laboratory of Green Pesticide, Key Laboratory of Green Pesticide and Agricultural Bioengineering, Ministry of Education, Center for R&D of Fine Chemicals of Guizhou University Guiyang 550025 P. R. China +86-851-88292090 +86-851-88292090
| | - Chenyu Gong
- National Key Laboratory of Green Pesticide, Key Laboratory of Green Pesticide and Agricultural Bioengineering, Ministry of Education, Center for R&D of Fine Chemicals of Guizhou University Guiyang 550025 P. R. China +86-851-88292090 +86-851-88292090
| | - Wei Xue
- National Key Laboratory of Green Pesticide, Key Laboratory of Green Pesticide and Agricultural Bioengineering, Ministry of Education, Center for R&D of Fine Chemicals of Guizhou University Guiyang 550025 P. R. China +86-851-88292090 +86-851-88292090
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Jin J, Shen T, Shu L, Huang Y, Deng Y, Li B, Jin Z, Li X, Wu J. Recent Achievements in Antiviral Agent Development for Plant Protection. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2023; 71:1291-1309. [PMID: 36625507 DOI: 10.1021/acs.jafc.2c07315] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/17/2023]
Abstract
Plant virus disease is the second most prevalent plant diseases and can cause extensive loss in global agricultural economy. Extensive work has been carried out on the development of novel antiplant virus agents for preventing and treating plant virus diseases. In this review, we summarize the achievements of the research and development of new antiviral agents in the recent five years and provide our own perspective on the future development in this highly active research field.
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Affiliation(s)
- Jiamiao Jin
- National Key Laboratory of Green Pesticide, Key Laboratory of Green Pesticide and Agricultural Bioengineering, Ministry of Education, Guizhou University, Guiyang 550025, China
| | - Tingwei Shen
- National Key Laboratory of Green Pesticide, Key Laboratory of Green Pesticide and Agricultural Bioengineering, Ministry of Education, Guizhou University, Guiyang 550025, China
| | - Liangzhen Shu
- National Key Laboratory of Green Pesticide, Key Laboratory of Green Pesticide and Agricultural Bioengineering, Ministry of Education, Guizhou University, Guiyang 550025, China
| | - Yixian Huang
- National Key Laboratory of Green Pesticide, Key Laboratory of Green Pesticide and Agricultural Bioengineering, Ministry of Education, Guizhou University, Guiyang 550025, China
| | - Youlin Deng
- National Key Laboratory of Green Pesticide, Key Laboratory of Green Pesticide and Agricultural Bioengineering, Ministry of Education, Guizhou University, Guiyang 550025, China
| | - Benpeng Li
- National Key Laboratory of Green Pesticide, Key Laboratory of Green Pesticide and Agricultural Bioengineering, Ministry of Education, Guizhou University, Guiyang 550025, China
| | - Zhichao Jin
- National Key Laboratory of Green Pesticide, Key Laboratory of Green Pesticide and Agricultural Bioengineering, Ministry of Education, Guizhou University, Guiyang 550025, China
| | - Xiangyang Li
- National Key Laboratory of Green Pesticide, Key Laboratory of Green Pesticide and Agricultural Bioengineering, Ministry of Education, Guizhou University, Guiyang 550025, China
| | - Jian Wu
- National Key Laboratory of Green Pesticide, Key Laboratory of Green Pesticide and Agricultural Bioengineering, Ministry of Education, Guizhou University, Guiyang 550025, China
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Cao X, Liu F, He B, Xing L, Zhang Y, Zhang N, Xue W. Design, synthesis, bioactivity and mechanism of action of novel myricetin derivatives containing amide and hydrazide. ARAB J CHEM 2023. [DOI: 10.1016/j.arabjc.2023.104588] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023] Open
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Nanotechnology Applications of Flavonoids for Viral Diseases. Pharmaceutics 2021; 13:pharmaceutics13111895. [PMID: 34834309 PMCID: PMC8625292 DOI: 10.3390/pharmaceutics13111895] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/08/2021] [Revised: 10/14/2021] [Accepted: 11/01/2021] [Indexed: 12/14/2022] Open
Abstract
Recent years have witnessed the emergence of several viral diseases, including various zoonotic diseases such as the current pandemic caused by the Severe Acute Respiratory Syndrome Coronavirus 2 (SARS-CoV-2). Other viruses, which possess pandemic-causing potential include avian flu, Ebola, dengue, Zika, and Nipah virus, as well as the re-emergence of SARS (Severe Acute Respiratory Syndrome) and MERS (Middle East Respiratory Syndrome) coronaviruses. Notably, effective drugs or vaccines against these viruses are still to be discovered. All the newly approved vaccines against the SARS-CoV-2-induced disease COVID-19 possess real-time possibility of becoming obsolete because of the development of ‘variants of concern’. Flavonoids are being increasingly recognized as prophylactic and therapeutic agents against emerging and old viral diseases. Around 10,000 natural flavonoid compounds have been identified, being phytochemicals, all plant-based. Flavonoids have been reported to have lesser side effects than conventional anti-viral agents and are effective against more viral diseases than currently used anti-virals. Despite their abundance in plants, which are a part of human diet, flavonoids have the problem of low bioavailability. Various attempts are in progress to increase the bioavailability of flavonoids, one of the promising fields being nanotechnology. This review is a narrative of some anti-viral dietary flavonoids, their bioavailability, and various means with an emphasis on the nanotechnology system(s) being experimented with to deliver anti-viral flavonoids, whose systems show potential in the efficient delivery of flavonoids, resulting in increased bioavailability.
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Sabrin MS, Selenge E, Takeda Y, Batkhuu J, Ogawa H, Jamsransuren D, Suganuma K, Murata T. Isolation and evaluation of virucidal activities of flavanone glycosides and rosmarinic acid derivatives from Dracocephalum spp. against feline calicivirus. PHYTOCHEMISTRY 2021; 191:112896. [PMID: 34371301 DOI: 10.1016/j.phytochem.2021.112896] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/12/2021] [Accepted: 07/31/2021] [Indexed: 06/13/2023]
Abstract
Feline calicivirus is one of the surrogate viruses of human norovirus. This study aimed to identify virucidal compounds, chemical constituents of plants from the genus Dracocephalum, which are rich in flavonoids and phenylpropanoid oligomers. Four undescribed compounds, including a flavanone glucoside, two stilbenoid glycosides, and a phenylpropanoid amide glycoside, as well as 17 known compounds, were isolated from the Mongolian plants Dracocephalum fruticulosum Stephan ex Willd., and D. nutans L. belonging to the family Lamiaceae. The structures of the compounds were determined based on NMR, MS, and electronic CD spectroscopic data. In addition to these 21 compounds, 15 previously reported compounds from D. foetidum Bunge in C.F. von Ledebour were included, and a total of 36 compounds were evaluated for their virucidal activities against feline calicivirus. Some of the flavanone glycosides and phenylpropanoid oligomers showed virucidal activities, and their structural features are discussed. The findings suggest that isosakuranetin glycosides and phenylpropanoid oligomers may have the potential for norovirus inactivation.
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Affiliation(s)
- Mirza Synthia Sabrin
- Graduate School of Animal and Veterinary Sciences and Agriculture, Obihiro University of Agriculture and Veterinary Medicine, 2-11 Inada, Obihiro, Hokkaido, 080-8555, Japan; Department of Microbiology and Parasitology, Sher-e-Bangla Agricultural University, Sher-e-Bangla Nagar, Dhaka, 1207, Bangladesh
| | | | - Yohei Takeda
- Research Center for Global Agromedicine, Obihiro University of Agriculture and Veterinary Medicine, 2-11 Inada, Obihiro, Hokkaido, 080-8555, Japan
| | - Javzan Batkhuu
- School of Engineering and Applied Sciences, National University of Mongolia, POB-617/46A, Ulaanbaatar 14201, Mongolia
| | - Haruko Ogawa
- Department of Veterinary Medicine, Obihiro University of Agriculture and Veterinary Medicine, 2-11 Inada, Obihiro, Hokkaido, 080-8555, Japan
| | - Dulamjav Jamsransuren
- Department of Veterinary Medicine, Obihiro University of Agriculture and Veterinary Medicine, 2-11 Inada, Obihiro, Hokkaido, 080-8555, Japan
| | - Keisuke Suganuma
- Research Center for Global Agromedicine, Obihiro University of Agriculture and Veterinary Medicine, 2-11 Inada, Obihiro, Hokkaido, 080-8555, Japan; National Research Center for Protozoan Diseases, Obihiro University of Agriculture and Veterinary Medicine, Inada, Obihiro, Hokkaido, 080-8555, Japan
| | - Toshihiro Murata
- Division of Pharmacognosy, Tohoku Medical and Pharmaceutical University, 4-1 Komatsushima 4-chome Aoba-ku, Sendai, 981-8558, Japan.
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Peng F, Liu T, Wang Q, Liu F, Cao X, Yang J, Liu L, Xie C, Xue W. Antibacterial and Antiviral Activities of 1,3,4-Oxadiazole Thioether 4 H-Chromen-4-one Derivatives. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2021; 69:11085-11094. [PMID: 34516137 DOI: 10.1021/acs.jafc.1c03755] [Citation(s) in RCA: 37] [Impact Index Per Article: 12.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/24/2023]
Abstract
Various 1,3,4-oxadiazole thioether 4H-chromen-4-one derivatives were conceived. The title compounds demonstrated striking inhibitory effects against Xac, Psa, and Xoo. EC50 data exhibited that A8 (19.7 μg/mL) had better antibacterial activity against Xoo than myricetin, BT, and TC. Simultaneously, the mechanism of action of A8 had been verified by SEM. The results of anti-tobacco mosaic virus indicated that A9 had the best in vivo antiviral effect compared with ningnanmycin. From the data of MST, it could be seen that A9 (0.003 ± 0.001 μmol/L) exhibited a strong binding capacity, which was far superior to ningnanmycin (2.726 ± 1.301 μmol/L). This study shows that the 1,3,4-oxadiazole thioether 4H-chromen-4-one derivatives may become agricultural drugs with great potential.
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Affiliation(s)
- Feng Peng
- State Key Laboratory Breeding Base of Green Pesticide and Agricultural Bioengineering; Key Laboratory of Green Pesticide and Agricultural Bioengineering, Ministry of Education; Research and Development Center for Fine Chemicals, Guizhou University, Guiyang 550025, P.R. China
| | - Tingting Liu
- State Key Laboratory Breeding Base of Green Pesticide and Agricultural Bioengineering; Key Laboratory of Green Pesticide and Agricultural Bioengineering, Ministry of Education; Research and Development Center for Fine Chemicals, Guizhou University, Guiyang 550025, P.R. China
| | - Qifan Wang
- State Key Laboratory Breeding Base of Green Pesticide and Agricultural Bioengineering; Key Laboratory of Green Pesticide and Agricultural Bioengineering, Ministry of Education; Research and Development Center for Fine Chemicals, Guizhou University, Guiyang 550025, P.R. China
| | - Fang Liu
- State Key Laboratory Breeding Base of Green Pesticide and Agricultural Bioengineering; Key Laboratory of Green Pesticide and Agricultural Bioengineering, Ministry of Education; Research and Development Center for Fine Chemicals, Guizhou University, Guiyang 550025, P.R. China
| | - Xiao Cao
- State Key Laboratory Breeding Base of Green Pesticide and Agricultural Bioengineering; Key Laboratory of Green Pesticide and Agricultural Bioengineering, Ministry of Education; Research and Development Center for Fine Chemicals, Guizhou University, Guiyang 550025, P.R. China
| | - Jinsong Yang
- State Key Laboratory Breeding Base of Green Pesticide and Agricultural Bioengineering; Key Laboratory of Green Pesticide and Agricultural Bioengineering, Ministry of Education; Research and Development Center for Fine Chemicals, Guizhou University, Guiyang 550025, P.R. China
| | - Liwei Liu
- State Key Laboratory Breeding Base of Green Pesticide and Agricultural Bioengineering; Key Laboratory of Green Pesticide and Agricultural Bioengineering, Ministry of Education; Research and Development Center for Fine Chemicals, Guizhou University, Guiyang 550025, P.R. China
| | - Chengwei Xie
- State Key Laboratory Breeding Base of Green Pesticide and Agricultural Bioengineering; Key Laboratory of Green Pesticide and Agricultural Bioengineering, Ministry of Education; Research and Development Center for Fine Chemicals, Guizhou University, Guiyang 550025, P.R. China
| | - Wei Xue
- State Key Laboratory Breeding Base of Green Pesticide and Agricultural Bioengineering; Key Laboratory of Green Pesticide and Agricultural Bioengineering, Ministry of Education; Research and Development Center for Fine Chemicals, Guizhou University, Guiyang 550025, P.R. China
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Subbaraj GK, Kumar YS, Kulanthaivel L. Antiangiogenic role of natural flavonoids and their molecular mechanism: an update. THE EGYPTIAN JOURNAL OF INTERNAL MEDICINE 2021. [DOI: 10.1186/s43162-021-00056-x] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023] Open
Abstract
Abstract
Background
Angiogenesis is the development of new blood vessels from the existing vasculature, which is important in normal developmental processes. Angiogenesis is a key step in tumor growth, invasion, and metastasis. Angiogenesis is necessary for the proper nourishment and removal of metabolic wastes from tumor sites. Therefore, modulation of angiogenesis is considered a therapeutic strategy of great importance for human health.
Main body
Numerous bioactive plant compounds are recently tested for their antiangiogenic potential. Among the most frequently studied are flavonoids which are abundantly present in fruits and vegetables. Flavonoids inhibit angiogenesis and metastasis through the regulation of multiple signaling pathways. Flavonoids regulate the expression of VEGF, matrix metalloproteinases (MMPs), EGFR, and inhibit NFB, PI3-K/Akt, and ERK1/2 signaling pathways, thereby causing strong antiangiogenic effects. This present review aimed to provide up-to-date information on the molecular mechanisms of antiangiogenic properties of natural flavonoids.
Conclusion
Presently developed antiangiogenic drugs in malignant growth treatment do not meet assumptions about adequacy and safety. So further investigations are needed in this field in the future. More recently, flavonoids are the most effective antiangiogenic agent, by inhibition of signaling pathways.
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Sarowska J, Wojnicz D, Jama-Kmiecik A, Frej-Mądrzak M, Choroszy-Król I. Antiviral Potential of Plants against Noroviruses. Molecules 2021; 26:molecules26154669. [PMID: 34361822 PMCID: PMC8347075 DOI: 10.3390/molecules26154669] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/29/2021] [Revised: 07/26/2021] [Accepted: 07/30/2021] [Indexed: 01/02/2023] Open
Abstract
Human noroviruses, which belong to the enterovirus family, are one of the most common etiological agents of food-borne diseases. In recent years, intensive research has been carried out regarding the antiviral activity of plant metabolites that could be used for the preservation of fresh food, because they are safer for consumption when compared to synthetic chemicals. Plant preparations with proven antimicrobial activity differ in their chemical compositions, which significantly affects their biological activity. Our review aimed to present the results of research related to the characteristics, applicability, and mechanisms of the action of various plant-based preparations and metabolites against norovirus. New strategies to combat intestinal viruses are necessary, not only to ensure food safety and reduce infections in humans but also to lower the direct health costs associated with them.
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Affiliation(s)
- Jolanta Sarowska
- Department of Basic Sciences, Faculty of Health Sciences, Wroclaw Medical University, Chalubinskiego 4, 50-368 Wroclaw, Poland; (J.S.); (A.J.-K.); (M.F.-M.); (I.C.-K.)
| | - Dorota Wojnicz
- Department of Biology and Medical Parasitology, Faculty of Medicine, Wroclaw Medical University, Mikulicza-Radeckiego 9, 50-345 Wroclaw, Poland
- Correspondence: ; Tel.: +48-717-841-512
| | - Agnieszka Jama-Kmiecik
- Department of Basic Sciences, Faculty of Health Sciences, Wroclaw Medical University, Chalubinskiego 4, 50-368 Wroclaw, Poland; (J.S.); (A.J.-K.); (M.F.-M.); (I.C.-K.)
| | - Magdalena Frej-Mądrzak
- Department of Basic Sciences, Faculty of Health Sciences, Wroclaw Medical University, Chalubinskiego 4, 50-368 Wroclaw, Poland; (J.S.); (A.J.-K.); (M.F.-M.); (I.C.-K.)
| | - Irena Choroszy-Król
- Department of Basic Sciences, Faculty of Health Sciences, Wroclaw Medical University, Chalubinskiego 4, 50-368 Wroclaw, Poland; (J.S.); (A.J.-K.); (M.F.-M.); (I.C.-K.)
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Su S, Chen M, Tang X, Peng F, Liu T, Zhou Q, Zhan W, He M, Xie C, Xue W. Design, Synthesis and Antibacterial Activity of Novel Pyrimidine-Containing 4H-Chromen-4-One Derivatives*. Chem Biodivers 2021; 18:e2100186. [PMID: 34159725 DOI: 10.1002/cbdv.202100186] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/25/2021] [Accepted: 06/18/2021] [Indexed: 11/05/2022]
Abstract
A series of pyrimidine-containing 4H-chromen-4-one derivatives were designed and synthesized by combining bioactive substructures. Preliminary biological activity results showed that most of the compounds displayed significant inhibitory activities in vitro against Xanthomonas axonopodis pv. Citri (X. axonopodis), Xanthomonas oryzae pv. oryzae (X. oryzae) and Ralstonia solanacearum (R. solanacearum). In particular, compound 2-[(3-{[5,7-dimethoxy-4-oxo-2-(3,4,5-trimethoxyphenyl)-4H-1-benzopyran-3-yl]oxy}propyl)sulfanyl]-4-(4-methylphenyl)-6-oxo-1,6-dihydropyrimidine-5-carbonitrile (4c) demonstrated a good inhibitory effect against X. axonopodis and X. oryzae, with the half-maximal effective concentration (EC50 ) values of 15.5 and 14.9 μg/mL, respectively, and compound 2-[(3-{[5,7-Dimethoxy-4-oxo-2-(3,4,5-trimethoxyphenyl)-4H-1-benzopyran-3-yl]oxy}propyl)sulfanyl]-4-(3-fluorophenyl)-6-oxo-1,6-dihydropyrimidine-5-carbonitrile (4h) showed the best antibacterial activity against R. solanacearum with an EC50 value of 14.7 μg/mL. These results were better than commercial reagents bismerthiazol (BT, 51.7, 70.1 and 52.7 μg/mL, respectively) and thiodiazole copper (TC, 77.9, 95.8 and 72.1 μg/mL, respectively). In vivo antibacterial activity results indicated that compound 4c displayed better curative (42.4 %) and protective (49.2 %) activities for rice bacterial leaf blight than BT (35.2, 39.1 %) and TC (30.8, 27.3 %). The mechanism of compound 4c against X. oryzae was analyzed through scanning electron microscopy (SEM). These results indicated that pyrimidine-containing 4H-chromen-4-one derivatives have important value in the research of new agrochemicals.
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Affiliation(s)
- Shijun Su
- State Key Laboratory Breeding Base of Green Pesticide and Agricultural Bioengineering, Key Laboratory of Green Pesticide and Agricultural Bioengineering, Ministry of Education, Guizhou University, Guiyang, 550025, P. R. China
| | - Mei Chen
- State Key Laboratory Breeding Base of Green Pesticide and Agricultural Bioengineering, Key Laboratory of Green Pesticide and Agricultural Bioengineering, Ministry of Education, Guizhou University, Guiyang, 550025, P. R. China
| | - Xuemei Tang
- State Key Laboratory Breeding Base of Green Pesticide and Agricultural Bioengineering, Key Laboratory of Green Pesticide and Agricultural Bioengineering, Ministry of Education, Guizhou University, Guiyang, 550025, P. R. China
| | - Feng Peng
- State Key Laboratory Breeding Base of Green Pesticide and Agricultural Bioengineering, Key Laboratory of Green Pesticide and Agricultural Bioengineering, Ministry of Education, Guizhou University, Guiyang, 550025, P. R. China
| | - Tingting Liu
- State Key Laboratory Breeding Base of Green Pesticide and Agricultural Bioengineering, Key Laboratory of Green Pesticide and Agricultural Bioengineering, Ministry of Education, Guizhou University, Guiyang, 550025, P. R. China
| | - Qing Zhou
- State Key Laboratory Breeding Base of Green Pesticide and Agricultural Bioengineering, Key Laboratory of Green Pesticide and Agricultural Bioengineering, Ministry of Education, Guizhou University, Guiyang, 550025, P. R. China
| | - Wenliang Zhan
- State Key Laboratory Breeding Base of Green Pesticide and Agricultural Bioengineering, Key Laboratory of Green Pesticide and Agricultural Bioengineering, Ministry of Education, Guizhou University, Guiyang, 550025, P. R. China
| | - Ming He
- State Key Laboratory Breeding Base of Green Pesticide and Agricultural Bioengineering, Key Laboratory of Green Pesticide and Agricultural Bioengineering, Ministry of Education, Guizhou University, Guiyang, 550025, P. R. China
| | - Chengwei Xie
- State Key Laboratory Breeding Base of Green Pesticide and Agricultural Bioengineering, Key Laboratory of Green Pesticide and Agricultural Bioengineering, Ministry of Education, Guizhou University, Guiyang, 550025, P. R. China
| | - Wei Xue
- State Key Laboratory Breeding Base of Green Pesticide and Agricultural Bioengineering, Key Laboratory of Green Pesticide and Agricultural Bioengineering, Ministry of Education, Guizhou University, Guiyang, 550025, P. R. China
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Geranii Herba as a Potential Inhibitor of SARS-CoV-2 Main 3CL pro, Spike RBD, and Regulation of Unfolded Protein Response: An In Silico Approach. Antibiotics (Basel) 2020; 9:antibiotics9120863. [PMID: 33287311 PMCID: PMC7761775 DOI: 10.3390/antibiotics9120863] [Citation(s) in RCA: 23] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2020] [Revised: 11/24/2020] [Accepted: 12/01/2020] [Indexed: 12/19/2022] Open
Abstract
Background: Since the first patient identified with SARS-CoV-2 symptoms in December 2019, the trend of a spreading coronavirus disease 2019 (COVID-19) infection has remained to date. As for now, there is an urgent need to develop novel drugs or vaccines for the SARS-CoV-2 virus. Methods: Polyphenolic compounds have potential as drug candidates for various diseases, including viral infections. In this study, polyphenolic compounds contained in Geranii Herba were chosen for an in silico approach. The SARS-CoV-2 receptor-binding domain (RBD), 3CLpro (Replicase polyprotein 1ab), and the cell surface receptor glucose-regulated protein 78 (GRP78) were chosen as target proteins. Results: Based on the molecular docking analysis, ellagic acid, gallic acid, geraniin, kaempferitrin, kaempferol, and quercetin showed significant binding interactions with the target proteins. Besides, the molecular dynamic simulation studies support Geranii Herba’s inhibition efficiency on the SARS-CoV-2 RBD. We assume that the active compounds in Geranii Herba might inhibit SARS-CoV-2 cell entry through the ACE2 receptor and inhibit the proteolytic process. Besides, these compounds may help to regulate the cell signaling under the unfolded protein response in endoplasmic reticulum stress through the binding with GRP78 and avoid the SARS-CoV-2 interaction. Conclusions: Hence, the compounds present in Geranii Herba could be used as possible drug candidates for the prevention/treatment of SARS-CoV-2 infection.
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Gobeil A, Maherani B, Lacroix M. Norovirus elimination on the surface of fresh foods. Crit Rev Food Sci Nutr 2020; 62:1822-1837. [DOI: 10.1080/10408398.2020.1848784] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/29/2023]
Affiliation(s)
- Alexandra Gobeil
- Research Laboratories in Sciences, Applied to Food, Canadian Irradiation Centre, Nutraceuticals and Functional Foods, Laval, Québec, Canada
| | - Behnoush Maherani
- Research Laboratories in Sciences, Applied to Food, Canadian Irradiation Centre, Nutraceuticals and Functional Foods, Laval, Québec, Canada
| | - Monique Lacroix
- Research Laboratories in Sciences, Applied to Food, Canadian Irradiation Centre, Nutraceuticals and Functional Foods, Laval, Québec, Canada
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Solis-Sanchez D, Rivera-Piza A, Lee S, Kim J, Kim B, Choi JB, Kim YW, Ko GP, Song MJ, Lee SJ. Antiviral Effects of Lindera obtusiloba Leaf Extract on Murine Norovirus-1 (MNV-1), a Human Norovirus Surrogate, and Potential Application to Model Foods. Antibiotics (Basel) 2020; 9:antibiotics9100697. [PMID: 33066532 PMCID: PMC7602249 DOI: 10.3390/antibiotics9100697] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/04/2020] [Revised: 10/07/2020] [Accepted: 10/10/2020] [Indexed: 01/14/2023] Open
Abstract
Noroviruses are the leading cause of acute gastroenteritis and food poisoning worldwide. In this study, we investigated the anti-noroviral activity of Lindera obtusiloba leaf extract (LOLE) using murine norovirus (MNV-1), a surrogate of human norovirus. Preincubation of MNV-1 with LOLE at 4, 8, or 12 mg/mL for 1 h at 25 °C significantly reduced viral infectivity, by 51.8%, 64.1%, and 71.2%, respectively. Among LOLE single compounds, β-pinene (49.7%), α-phellandrene (26.2%), and (+)-limonene (17.0%) demonstrated significant inhibitory effects on viral infectivity after pretreatment with MNV-1, suggesting that the anti-noroviral effects of LOLE may be due to the synergetic activity of several compounds, with β-pinene as a key molecule. The inhibitory effect of LOLE was tested on the edible surfaces of lettuce, cabbage, and oysters, as well as on stainless steel. After one hour of incubation at 25°C, LOLE (12 mg/mL) pretreatment significantly reduced MNV-1 plaque formation on lettuce (76.4%), cabbage (60.0%), oyster (38.2%), and stainless-steel (62.8%). These results suggest that LOLE effectively inhibits norovirus on food and metal surfaces. In summary, LOLE, including β-pinene, may inactivate norovirus and could be used as a natural agent promoting food safety and hygiene.
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Affiliation(s)
- Diana Solis-Sanchez
- Department of Biotechnology, School of Life Sciences and Biotechnology for BK21 PLUS, Korea University, Seoul 02841, Korea; (D.S.-S.); (A.R.-P.); (S.L.); (J.K.); (B.K.); (J.B.C.); (Y.W.K.)
| | - Adriana Rivera-Piza
- Department of Biotechnology, School of Life Sciences and Biotechnology for BK21 PLUS, Korea University, Seoul 02841, Korea; (D.S.-S.); (A.R.-P.); (S.L.); (J.K.); (B.K.); (J.B.C.); (Y.W.K.)
| | - Soyoung Lee
- Department of Biotechnology, School of Life Sciences and Biotechnology for BK21 PLUS, Korea University, Seoul 02841, Korea; (D.S.-S.); (A.R.-P.); (S.L.); (J.K.); (B.K.); (J.B.C.); (Y.W.K.)
| | - Jia Kim
- Department of Biotechnology, School of Life Sciences and Biotechnology for BK21 PLUS, Korea University, Seoul 02841, Korea; (D.S.-S.); (A.R.-P.); (S.L.); (J.K.); (B.K.); (J.B.C.); (Y.W.K.)
| | - Bomi Kim
- Department of Biotechnology, School of Life Sciences and Biotechnology for BK21 PLUS, Korea University, Seoul 02841, Korea; (D.S.-S.); (A.R.-P.); (S.L.); (J.K.); (B.K.); (J.B.C.); (Y.W.K.)
| | - Joo Bong Choi
- Department of Biotechnology, School of Life Sciences and Biotechnology for BK21 PLUS, Korea University, Seoul 02841, Korea; (D.S.-S.); (A.R.-P.); (S.L.); (J.K.); (B.K.); (J.B.C.); (Y.W.K.)
| | - Ye Won Kim
- Department of Biotechnology, School of Life Sciences and Biotechnology for BK21 PLUS, Korea University, Seoul 02841, Korea; (D.S.-S.); (A.R.-P.); (S.L.); (J.K.); (B.K.); (J.B.C.); (Y.W.K.)
| | - Gwang Pyo Ko
- Institute of Health and Environment, Department of Environmental Health, Center for Human and Environmental Microbiome, Graduate School of Public Health, Seoul National University, Seoul 151-742, Korea;
| | - Moon Jung Song
- Virus-Host Interactions Laboratory, Department of Biosystems and Biotechnology, Division of Biotechnology, College of Life Sciences and Biotechnology, Korea University, Seoul 02841, Korea;
| | - Sung-Joon Lee
- Department of Biotechnology, School of Life Sciences and Biotechnology for BK21 PLUS, Korea University, Seoul 02841, Korea; (D.S.-S.); (A.R.-P.); (S.L.); (J.K.); (B.K.); (J.B.C.); (Y.W.K.)
- Correspondence: ; Tel.: +82-2-3290-3029
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18
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Randazzo W, Costantini V, Morantz EK, Vinjé J. Human Intestinal Enteroids to Evaluate Human Norovirus GII.4 Inactivation by Aged-Green Tea. Front Microbiol 2020; 11:1917. [PMID: 32973702 PMCID: PMC7461803 DOI: 10.3389/fmicb.2020.01917] [Citation(s) in RCA: 27] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2020] [Accepted: 07/21/2020] [Indexed: 12/21/2022] Open
Abstract
Human noroviruses are the leading cause of epidemic and sporadic acute gastroenteritis worldwide and the most common cause of foodborne illness in the United States. Several natural compounds, such as aged-green tea extract (aged-GTE), have been suggested as ingestible antiviral agents against human norovirus based on data using murine norovirus and feline calicivirus as surrogates. However, in vitro data showing their effectiveness against infectious human norovirus are lacking. We tested the activity of aged-GTE to inhibit human norovirus in a human intestinal enteroids (HIEs) model and Tulane virus in LLC-monkey kidney (LLC-MK2) cell culture. HIE monolayers pretreated with aged-GTE at different temperatures showed complete inhibition of human norovirus GII.4 replication at concentrations as low as 1.0 mg/ml for 37°C, 1.75 mg/ml for 21°C, and 2.5 mg/ml for 7°C. In contrast, a moderate decrease in Tulane virus infectivity of 0.85, 0.75, and 0.65 log TCID50/ml was observed for 2.5 mg/ml aged-GTE at 37, 21, and 7°C, respectively. Our findings demonstrate that GTE could be an effective natural compound against human norovirus GII.4, while only minimally effective against Tulane virus.
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Affiliation(s)
- Walter Randazzo
- Division of Viral Diseases, National Calicivirus Laboratory, Centers for Disease Control and Prevention, Atlanta, GA, United States.,Department of Microbiology and Ecology, University of Valencia, Valencia, Spain
| | - Veronica Costantini
- Division of Viral Diseases, National Calicivirus Laboratory, Centers for Disease Control and Prevention, Atlanta, GA, United States
| | - Esther K Morantz
- Division of Viral Diseases, National Calicivirus Laboratory, Centers for Disease Control and Prevention, Atlanta, GA, United States.,Cherokee Nation Assurance, Arlington, VA, United States
| | - Jan Vinjé
- Division of Viral Diseases, National Calicivirus Laboratory, Centers for Disease Control and Prevention, Atlanta, GA, United States
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Jiang S, Su S, Chen M, Peng F, Zhou Q, Liu T, Liu L, Xue W. Antibacterial Activities of Novel Dithiocarbamate-Containing 4 H-Chromen-4-one Derivatives. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2020; 68:5641-5647. [PMID: 32330023 DOI: 10.1021/acs.jafc.0c01652] [Citation(s) in RCA: 39] [Impact Index Per Article: 9.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/24/2023]
Abstract
To aid the development of novel antibacterial agents that possess a innovative mechanism of action, we built a series of novel dithiocarbamate-containing 4H-chromen-4-one derivatives. We evaluated the activities of the derivatives against three plant pathogens Xanthomonas oryzae pv oryzae (X. oryzae pv o.), Ralstonia solanacearum (R. solanacearum), and Xanthomonas axonopodis pv citri (X. axonopodis pv c.). The results of the antibacterial bioassay showed that most of the target compounds displayed good inhibitory effects against X. oryzae pv o. and X. axonopodis pv c. Remarkably, compound E6 showed the best in vitro antibacterial activity against X. axonopodis pv c., with an EC50 value of 0.11 μg/mL, which was better than those of thiodiazole copper (59.97 μg/mL) and bismerthiazol (48.93 μg/mL). Compound E14 exhibited the best in vitro antibacterial activity against X. oryzae pv o., with an EC50 value of 1.58 μg/mL, which was better than those of thiodiazole copper (83.04 μg/mL) and bismerthiazol (56.05 μg/mL). Scanning electron microscopy analysis demonstrated that compounds E6 and E14 caused the rupture or deformation of the cell membranes for X. axonopodis pv c. and X. oryzae pv o., respectively. In vivo antibacterial activity test and the defensive enzymes activity test results indicated that the compound E14 could reduce X. oryzae pv o. more effectively than thiodiazole-copper or bismerthiazol.
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Affiliation(s)
- Shichun Jiang
- State Key Laboratory Breeding Base of Green Pesticide and Agricultural Bioengineering, and Key Laboratory of Green Pesticide and Agricultural Bioengineering, Ministry of Education, Guizhou University, Huaxi District, Guiyang 550025, P.R. China
| | - Shijun Su
- State Key Laboratory Breeding Base of Green Pesticide and Agricultural Bioengineering, and Key Laboratory of Green Pesticide and Agricultural Bioengineering, Ministry of Education, Guizhou University, Huaxi District, Guiyang 550025, P.R. China
| | - Mei Chen
- State Key Laboratory Breeding Base of Green Pesticide and Agricultural Bioengineering, and Key Laboratory of Green Pesticide and Agricultural Bioengineering, Ministry of Education, Guizhou University, Huaxi District, Guiyang 550025, P.R. China
| | - Feng Peng
- State Key Laboratory Breeding Base of Green Pesticide and Agricultural Bioengineering, and Key Laboratory of Green Pesticide and Agricultural Bioengineering, Ministry of Education, Guizhou University, Huaxi District, Guiyang 550025, P.R. China
| | - Qing Zhou
- State Key Laboratory Breeding Base of Green Pesticide and Agricultural Bioengineering, and Key Laboratory of Green Pesticide and Agricultural Bioengineering, Ministry of Education, Guizhou University, Huaxi District, Guiyang 550025, P.R. China
| | - Tingting Liu
- State Key Laboratory Breeding Base of Green Pesticide and Agricultural Bioengineering, and Key Laboratory of Green Pesticide and Agricultural Bioengineering, Ministry of Education, Guizhou University, Huaxi District, Guiyang 550025, P.R. China
| | - Liwei Liu
- State Key Laboratory Breeding Base of Green Pesticide and Agricultural Bioengineering, and Key Laboratory of Green Pesticide and Agricultural Bioengineering, Ministry of Education, Guizhou University, Huaxi District, Guiyang 550025, P.R. China
| | - Wei Xue
- State Key Laboratory Breeding Base of Green Pesticide and Agricultural Bioengineering, and Key Laboratory of Green Pesticide and Agricultural Bioengineering, Ministry of Education, Guizhou University, Huaxi District, Guiyang 550025, P.R. China
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Ahmad N, Badshah SL, Junaid M, Ur Rehman A, Muhammad A, Khan K. Structural insights into the Zika virus NS1 protein inhibition using a computational approach. J Biomol Struct Dyn 2020; 39:3004-3011. [PMID: 32321364 DOI: 10.1080/07391102.2020.1759453] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/17/2023]
Abstract
Zika virus is part of the flaviviruses that spread through the Aedes mosquito species and causes neurological infectious diseases. The non-structural protein 1 (NS1) is an essential enzyme that is involved in the replication of Zika virus. In this study, the newly isolated flavonoid analogs were docked against the NS1 protein. Most of the compounds showed strong interactions with favorable binding energies in the active site of NS1. One of the suitable docked ligand-protein complexes was simulated along with the apo form of the enzyme for 100 ns. The simulation results validated the docking data. The molecular dynamics simulation analysis comprising of root mean square deviation and fluctuation, the radius of gyration, hydrogen bonding, potential energy, principle component analysis, and MM/PBSA revealed about the stability of the apo and complex systems. These flavonoids analogs can inhibit the hexamerization of the NS1 which is necessary for the Zika virus replication.Communicated by Ramaswamy H. Sarma.
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Affiliation(s)
- Nasir Ahmad
- Department of Chemistry, Islamia College University, Peshawar, Pakistan
| | - Syed Lal Badshah
- Department of Chemistry, Islamia College University, Peshawar, Pakistan
| | - Muhammad Junaid
- State Key Laboratory of Microbial Metabolism, Department of Bioinformatics and Biostatistics, National Experimental Teaching Center for Life Sciences and Biotechnology, College of Life Sciences and Biotechnology, Shanghai Jiao Tong University, Shanghai, China
| | - Ashfaq Ur Rehman
- State Key Laboratory of Microbial Metabolism, Department of Bioinformatics and Biostatistics, National Experimental Teaching Center for Life Sciences and Biotechnology, College of Life Sciences and Biotechnology, Shanghai Jiao Tong University, Shanghai, China
| | - Akhtar Muhammad
- Department of Chemistry, Islamia College University, Peshawar, Pakistan
| | - Khalid Khan
- Department of Chemistry, Islamia College University, Peshawar, Pakistan
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Jiang S, Tang X, Chen M, He J, Su S, Liu L, He M, Xue W. Design, synthesis and antibacterial activities against Xanthomonas oryzae pv. oryzae, Xanthomonas axonopodis pv. Citri and Ralstonia solanacearum of novel myricetin derivatives containing sulfonamide moiety. PEST MANAGEMENT SCIENCE 2020; 76:853-860. [PMID: 31419003 DOI: 10.1002/ps.5587] [Citation(s) in RCA: 41] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/27/2019] [Revised: 08/10/2019] [Accepted: 08/12/2019] [Indexed: 05/18/2023]
Abstract
BACKGROUND Myricetin and sulfonamide derivatives exhibited a wide variety of biological activity. In order to develop highly bioactive molecules, novel myricetin derivatives containing sulfonamide moiety were synthesized and antibacterial activities were investigated. RESULTS The results of bioassays indicated that compound A12, having an EC50 value of 4.7 μg mL-1 , exhibited the best in vitro antibacterial activities against Xanthomonas oryzae pv. oryzae (X. oryzae pv. o.); EC50 values for this compound were even better than those of thiodiazole-copper (TC, 71.4 μg mL-1 ) and bismerthiazol (BT, 54.7 μg mL-1 ). Compound A2, having an EC50 value of 1.1 μg mL-1 , exhibited the best in vitro antibacterial activities against Xanthomonas axonopodis pv. citri (X. axonopodis pv. c); values were notably better than those of TC (60.0 μg mL-1 ) and BT (48.9 μg mL-1 ). Scanning electron microscopy analysis indicated that compounds A2 and A12 caused the cell membranes of X. axonopodis pv. c and X. oryzae pv. o. to break or deform, respectively. When the concentration of compound A12 was 100 μg mL-1 , the effective curative activity against bacterial leaf blight of rice was 44.2% in vivo and the effective protection activity was 58.2% in vivo, results that were both better than values for TC (18.9 and 21.4%, respectively) and BT (12.5 and 12.5%, respectively). CONCLUSION Novel myricetin derivatives containing a sulfonamide moiety were synthesized and bioassay results showed that compounds A2 and A12 exhibited the best antibacterial activities. © 2019 Society of Chemical Industry.
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Affiliation(s)
- Shichun Jiang
- State Key Laboratory Breeding Base of Green Pesticide and Agricultural Bioengineering, Key Laboratory of Green Pesticide and Agricultural Bioengineering, Ministry of Education, Research and Development Center for Fine Chemicals, Guizhou University, Guiyang, China
| | - Xu Tang
- State Key Laboratory Breeding Base of Green Pesticide and Agricultural Bioengineering, Key Laboratory of Green Pesticide and Agricultural Bioengineering, Ministry of Education, Research and Development Center for Fine Chemicals, Guizhou University, Guiyang, China
| | - Mei Chen
- State Key Laboratory Breeding Base of Green Pesticide and Agricultural Bioengineering, Key Laboratory of Green Pesticide and Agricultural Bioengineering, Ministry of Education, Research and Development Center for Fine Chemicals, Guizhou University, Guiyang, China
| | - Jun He
- State Key Laboratory Breeding Base of Green Pesticide and Agricultural Bioengineering, Key Laboratory of Green Pesticide and Agricultural Bioengineering, Ministry of Education, Research and Development Center for Fine Chemicals, Guizhou University, Guiyang, China
| | - Shijun Su
- State Key Laboratory Breeding Base of Green Pesticide and Agricultural Bioengineering, Key Laboratory of Green Pesticide and Agricultural Bioengineering, Ministry of Education, Research and Development Center for Fine Chemicals, Guizhou University, Guiyang, China
| | - Liwei Liu
- State Key Laboratory Breeding Base of Green Pesticide and Agricultural Bioengineering, Key Laboratory of Green Pesticide and Agricultural Bioengineering, Ministry of Education, Research and Development Center for Fine Chemicals, Guizhou University, Guiyang, China
| | - Ming He
- State Key Laboratory Breeding Base of Green Pesticide and Agricultural Bioengineering, Key Laboratory of Green Pesticide and Agricultural Bioengineering, Ministry of Education, Research and Development Center for Fine Chemicals, Guizhou University, Guiyang, China
| | - Wei Xue
- State Key Laboratory Breeding Base of Green Pesticide and Agricultural Bioengineering, Key Laboratory of Green Pesticide and Agricultural Bioengineering, Ministry of Education, Research and Development Center for Fine Chemicals, Guizhou University, Guiyang, China
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Tang X, Zhang C, Chen M, Xue Y, Liu T, Xue W. Synthesis and antiviral activity of novel myricetin derivatives containing ferulic acid amide scaffolds. NEW J CHEM 2020. [DOI: 10.1039/c9nj05867b] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A variety of myricetin derivatives bearing ferulic acid amide scaffolds were designed and synthesized.
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Affiliation(s)
- Xu Tang
- State Key Laboratory Breeding Base of Green Pesticide and Agricultural Bioengineering
- Key Laboratory of Green Pesticide and Agriculture Bioengineering
- Ministry of Education
- Guizhou University
- Guiyang 550025
| | - Cheng Zhang
- State Key Laboratory Breeding Base of Green Pesticide and Agricultural Bioengineering
- Key Laboratory of Green Pesticide and Agriculture Bioengineering
- Ministry of Education
- Guizhou University
- Guiyang 550025
| | - Mei Chen
- State Key Laboratory Breeding Base of Green Pesticide and Agricultural Bioengineering
- Key Laboratory of Green Pesticide and Agriculture Bioengineering
- Ministry of Education
- Guizhou University
- Guiyang 550025
| | - Yining Xue
- College of Chemistry
- Chemical Engineering and Environment
- Minnan Normal University
- Zhangzhou 363000
- P. R. China
| | - Tingting Liu
- State Key Laboratory Breeding Base of Green Pesticide and Agricultural Bioengineering
- Key Laboratory of Green Pesticide and Agriculture Bioengineering
- Ministry of Education
- Guizhou University
- Guiyang 550025
| | - Wei Xue
- State Key Laboratory Breeding Base of Green Pesticide and Agricultural Bioengineering
- Key Laboratory of Green Pesticide and Agriculture Bioengineering
- Ministry of Education
- Guizhou University
- Guiyang 550025
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Netzler NE, Enosi Tuipulotu D, White PA. Norovirus antivirals: Where are we now? Med Res Rev 2019; 39:860-886. [PMID: 30584800 PMCID: PMC7168425 DOI: 10.1002/med.21545] [Citation(s) in RCA: 45] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2018] [Revised: 10/02/2018] [Accepted: 10/04/2018] [Indexed: 12/24/2022]
Abstract
Human noroviruses inflict a significant health burden on society and are responsible for approximately 699 million infections and over 200 000 estimated deaths worldwide each year. Yet despite significant research efforts, approved vaccines or antivirals to combat this pathogen are still lacking. Safe and effective antivirals are not available, particularly for chronically infected immunocompromised individuals, and for prophylactic applications to protect high-risk and vulnerable populations in outbreak settings. Since the discovery of human norovirus in 1972, the lack of a cell culture system has hindered biological research and antiviral studies for many years. Recent breakthroughs in culturing human norovirus have been encouraging, however, further development and optimization of these novel methodologies are required to facilitate more robust replication levels, that will enable reliable serological and replication studies, as well as advances in antiviral development. In the last few years, considerable progress has been made toward the development of norovirus antivirals, inviting an updated review. This review focuses on potential therapeutics that have been reported since 2010, which were examined across at least two model systems used for studying human norovirus or its enzymes. In addition, we have placed emphasis on antiviral compounds with a defined chemical structure. We include a comprehensive outline of direct-acting antivirals and offer a discussion of host-modulating compounds, a rapidly expanding and promising area of antiviral research.
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Affiliation(s)
- Natalie E. Netzler
- School of Biotechnology and Biomolecular Sciences, Faculty of Science, University of New South Wales, SydneyNew South WalesAustralia
| | - Daniel Enosi Tuipulotu
- School of Biotechnology and Biomolecular Sciences, Faculty of Science, University of New South Wales, SydneyNew South WalesAustralia
| | - Peter A. White
- School of Biotechnology and Biomolecular Sciences, Faculty of Science, University of New South Wales, SydneyNew South WalesAustralia
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Bosch A, Gkogka E, Le Guyader FS, Loisy-Hamon F, Lee A, van Lieshout L, Marthi B, Myrmel M, Sansom A, Schultz AC, Winkler A, Zuber S, Phister T. Foodborne viruses: Detection, risk assessment, and control options in food processing. Int J Food Microbiol 2018; 285:110-128. [PMID: 30075465 PMCID: PMC7132524 DOI: 10.1016/j.ijfoodmicro.2018.06.001] [Citation(s) in RCA: 133] [Impact Index Per Article: 22.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2017] [Revised: 05/31/2018] [Accepted: 06/06/2018] [Indexed: 01/07/2023]
Abstract
In a recent report by risk assessment experts on the identification of food safety priorities using the Delphi technique, foodborne viruses were recognized among the top rated food safety priorities and have become a greater concern to the food industry over the past few years. Food safety experts agreed that control measures for viruses throughout the food chain are required. However, much still needs to be understood with regard to the effectiveness of these controls and how to properly validate their performance, whether it is personal hygiene of food handlers or the effects of processing of at risk foods or the interpretation and action required on positive virus test result. This manuscript provides a description of foodborne viruses and their characteristics, their responses to stress and technologies developed for viral detection and control. In addition, the gaps in knowledge and understanding, and future perspectives on the application of viral detection and control strategies for the food industry, along with suggestions on how the food industry could implement effective control strategies for viruses in foods. The current state of the science on epidemiology, public health burden, risk assessment and management options for viruses in food processing environments will be highlighted in this review.
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Affiliation(s)
- Albert Bosch
- University of Barcelona, Enteric Virus Laboratory, Department of Genetics, Microbiology and Statistics, and Institute of Nutrition and Food Safety, Diagonal 643, 8028 Barcelona, Spain.
| | - Elissavet Gkogka
- Arla Innovation Centre, Arla R&D, Agro Food Park 19, 8200 Aarhus N, Denmark,.
| | - Françoise S Le Guyader
- IFREMER, Environment and Microbiology Laboratory, Rue de l'Ile d'Yeu, BP 21103, 44311 Nantes, France.
| | - Fabienne Loisy-Hamon
- bioMérieux, Centre Christophe Mérieux, 5 rue des berges, 38025 Grenoble, France.
| | - Alvin Lee
- Illinois Institute of Technology, Moffett Campus, 6502 South Archer Road, 60501-1957 Bedford Park, IL, United States.
| | - Lilou van Lieshout
- The International Life Sciences Institute, Av. E. Mounier 83/B.6, 1200 Brussels, Belgium.
| | - Balkumar Marthi
- Unilever R&D Vlaardingen, Olivier van Noortlaan 120, 3133 AT Vlaardingen, The Netherlands; DaQsh Consultancy Services, 203, Laxmi Residency, Kothasalipeta, Visakhapatnam 530 002, India
| | - Mette Myrmel
- Norwegian University of Life Sciences, Department of Food Safety and Infection Biology, P.O. Box 8146, 0033 Oslo, Norway.
| | - Annette Sansom
- Campden BRI Group, Station Road, Chipping Campden, GL55 6LD Gloucestershire, United Kingdom.
| | - Anna Charlotte Schultz
- National Food Institute Technical University of Denmark, Mørkhøj Bygade 19, Building H, Room 204, 2860 Søborg, Denmark.
| | - Anett Winkler
- Cargill Deutschland GmbH, Cerestarstr. 2, 47809 Krefeld, Germany.
| | - Sophie Zuber
- Nestlé Research Centre, Institute of Food Safety and Analytical Science, Vers-chez-les-Blanc, Box 44, 1000 Lausanne, Switzerland.
| | - Trevor Phister
- PepsiCo Europe, Beaumont Park 4, Leycroft Road, LE4 1ET Leicester, United Kingdom.
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Antiangiogenic Effect of Flavonoids and Chalcones: An Update. Int J Mol Sci 2017; 19:ijms19010027. [PMID: 29271940 PMCID: PMC5795978 DOI: 10.3390/ijms19010027] [Citation(s) in RCA: 65] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/13/2017] [Revised: 12/11/2017] [Accepted: 12/19/2017] [Indexed: 12/18/2022] Open
Abstract
Chalcones are precursors of flavonoid biosynthesis in plants. Both flavonoids and chalcones are intensively investigated because of a large spectrum of their biological activities. Among others, anticancer and antiangiogenic effects account for the research interest of these substances. Because of an essential role in cancer growth and metastasis, angiogenesis is considered to be a promising target for cancer treatment. Currently used antiangiogenic agents are either synthetic compounds or monoclonal antibodies. However, there are some limitations of their use including toxicity and high price, making the search for new antiangiogenic compounds very attractive. Nowadays it is well known that several natural compounds may modulate basic steps in angiogenesis. A lot of studies, also from our lab, showed that phytochemicals, including polyphenols, are potent modulators of angiogenesis. This review paper is focused on the antiangiogenic effect of flavonoids and chalcones and discusses possible underlying cellular and molecular mechanisms.
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Randazzo W, Falcó I, Aznar R, Sánchez G. Effect of green tea extract on enteric viruses and its application as natural sanitizer. Food Microbiol 2017; 66:150-156. [PMID: 28576363 DOI: 10.1016/j.fm.2017.04.018] [Citation(s) in RCA: 37] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/24/2016] [Revised: 04/25/2017] [Accepted: 04/28/2017] [Indexed: 11/20/2022]
Abstract
In this work, the effect of green tea extract (GTE) was assessed against murine norovirus (MNV) and hepatitis A virus (HAV) at different temperatures, exposure times and pH conditions. Initially, GTE at 0.5 and 5 mg/ml were individually mixed with each virus at 5 log TCID50/ml and incubated 2 h at 37 °C at different pHs (from 5.5 to 8.5). GTE affected both viruses depending on pH with higher reductions observed in alkaline conditions. Secondly, different concentrations of GTE (0.5 and 5 mg/ml) were mixed with viral suspensions and incubated for 2 or 16 h at 4, 25 and 37 °C at pH 7.2. A concentration-, temperature- and exposure time-dependent response was showed by GTE in suspension tests, where complete inactivation was achieved after overnight exposure at 37 °C for both viruses and also at 25 °C for HAV. In addition, antiviral effect of GTE proved efficient in the surface disinfection tests since 1.5 log reduction and complete inactivation were recorded for MNV and HAV on stainless steel and glass surfaces treated with 10 mg/ml GTE for 30 min, analyzed in accordance with ISO 13697:2001. GTE was also evaluated as a natural disinfectant of produce, showing 10 mg/ml GTE reduced MNV and HAV titers in lettuce and spinach by more than 1.5 log after 30 min treatment. The results show a potential of GTE as natural disinfectant able to limit enteric viral (cross-)contaminations conveyed by food and food-contact surfaces.
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Affiliation(s)
- W Randazzo
- Department of Microbiology and Ecology, University of Valencia Av. Dr. Moliner, 50. 46100 Burjassot, Valencia, Spain
| | - I Falcó
- Department of Microbiology and Ecology, University of Valencia Av. Dr. Moliner, 50. 46100 Burjassot, Valencia, Spain
| | - R Aznar
- Department of Microbiology and Ecology, University of Valencia Av. Dr. Moliner, 50. 46100 Burjassot, Valencia, Spain; Department of Preservation and Food Safety Technologies, IATA-CSIC, Av. Agustín Escardino 7. 46980 Paterna Valencia, Spain
| | - G Sánchez
- Department of Microbiology and Ecology, University of Valencia Av. Dr. Moliner, 50. 46100 Burjassot, Valencia, Spain; Department of Preservation and Food Safety Technologies, IATA-CSIC, Av. Agustín Escardino 7. 46980 Paterna Valencia, Spain.
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Marti E, Ferrary-Américo M, Barardi CR. Viral disinfection of organic fresh produce comparing Polyphenon 60 from green tea with chlorine. Food Control 2017. [DOI: 10.1016/j.foodcont.2017.03.021] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
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Falcó I, Randazzo W, Gómez-Mascaraque L, Aznar R, López-Rubio A, Sánchez G. Effect of (−)-epigallocatechin gallate at different pH conditions on enteric viruses. Lebensm Wiss Technol 2017. [DOI: 10.1016/j.lwt.2017.03.050] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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Seo DJ, Choi C. Inhibitory mechanism of five natural flavonoids against murine norovirus. PHYTOMEDICINE : INTERNATIONAL JOURNAL OF PHYTOTHERAPY AND PHYTOPHARMACOLOGY 2017; 30:59-66. [PMID: 28545670 DOI: 10.1016/j.phymed.2017.04.011] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/29/2016] [Revised: 03/22/2017] [Accepted: 04/30/2017] [Indexed: 06/07/2023]
Abstract
BACKGROUND Human noroviruses (HuNoV), which are responsible for acute gastroenteritis, are becoming a serious public health concern worldwide. Since no effective antiviral drug or vaccine for HuNoV has been developed yet, some natural extracts and their active components have been investigated for their ability to inhibit noroviruses. However, their exact antiviral mechanisms have not been investigated. PURPOSE This study was performed to investigate the expression of interferon (IFN)-α, IFN-λ, tumor necrosis factor-α (TNF-α), Mx, and zinc finger CCCH type antiviral protein 1 (ZAP), 2'-5' oligo (A) synthetase (OAS), and inducible nitric oxide synthase (iNOS) in RAW 264.7 cells pre-treated with fisetin, daidzein, quercetin, epigallocatechin gallate (EGCG), and epicatechin gallate (ECG) that have anti-noroviral activity. STUDY DESIGN Based on the antiviral activity of the five flavonoids, recently reported by our group, the expression of antiviral factors such as IFN-α, IFN-λ, TNF-α, IL-1β, IL-6, Mx, ZAP, OAS, and iNOS was investigated in RAW 264.7 cells pre-treated with these flavonoids. METHODS Anti-noroviral effect was determined by performing a plaque assay on cells treated with the flavonoid. RAW 264.7 cells were treated with fisetin, daidzein, quercetin, EGCG, and ECG. Then, mRNA of IFN-α, IFN-λ, TNF-α, IL-1β, IL-6, Mx, ZAP, OAS, and iNOS were measured by real-time RT-PCR. IFN-α, TNF-α, IL-1β, and IL-6 proteins were measured by ELISA. RESULTS Pre-treatment with fisetin (50μM), fisetin (100μM), EGCG (100μM), quercetin (100μM), daidzein (50μM), and ECG (150μM) significantly reduced MNoV by 50.00±7.14 to 60.67±9.26%. The mRNA levels of IFN-α, IFN-λ, TNF-α, Mx, and ZAP were upregulated in RAW 264.7 cells pre-treated with fisetin, quercetin, and daidzein, but not in those pre-treated with EGCG or ECG. Regarding protein levels, IFN-α was significantly induced in cells pre-treated with fisetin, quercetin, and daidzein, whereas TNF-α was significantly induced only in cells pre-treated with daidzein. CONCLUSION Pre-treatment of RAW 264.7 cells with the five flavonoids inhibited MNoV by upregulating the expression of antiviral cytokines (IFN-α, IFN-λ, and TNF-α) and interferon-stimulating genes (Mx and ZAP).
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Affiliation(s)
- Dong Joo Seo
- Department of Food and Nutrition, School of Food Science and Technology, College of Biotechnology and Natural Resources, Chung-Ang University, Anseong, Gyeonggi, 17546, South Korea
| | - Changsun Choi
- Department of Food and Nutrition, School of Food Science and Technology, College of Biotechnology and Natural Resources, Chung-Ang University, Anseong, Gyeonggi, 17546, South Korea.
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Seo DJ, Choi C. Inhibition of Murine Norovirus and Feline Calicivirus by Edible Herbal Extracts. FOOD AND ENVIRONMENTAL VIROLOGY 2017; 9:35-44. [PMID: 27807684 DOI: 10.1007/s12560-016-9269-x] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/07/2016] [Accepted: 10/25/2016] [Indexed: 06/06/2023]
Abstract
Human noroviruses (HuNoVs) cause foodborne and waterborne viral gastroenteritis worldwide. Because HuNoV culture systems have not been developed thus far, no available medicines or vaccines preventing infection with HuNoVs exist. Some herbal extracts were considered as phytomedicines because of their bioactive components. In this study, the inhibitory effects of 29 edible herbal extracts against the norovirus surrogates murine norovirus (MNV) and feline calicivirus (FCV) were examined. FCV was significantly inhibited to 86.89 ± 2.01 and 48.71 ± 7.38% by 100 μg/mL of Camellia sinensis and Ficus carica, respectively. Similarly, ribavirin at a concentration of 100 μM significantly reduced the titer of FCV by 77.69 ± 10.40%. Pleuropterus multiflorus (20 μg/mL) showed antiviral activity of 53.33 ± 5.77, and 50.00 ± 16.67% inhibition was observed after treatment with 20 μg/mL of Alnus japonica. MNV was inhibited with ribavirin by 59.22 ± 16.28% at a concentration of 100 μM. Interestingly, MNV was significantly inhibited with 150 µg/mL Inonotus obliquus and 50 μg/mL Crataegus pinnatifida by 91.67 ± 5.05 and 57.66 ± 3.36%, respectively. Treatment with 20 µg/mL Coriandrum sativum slightly reduced MNV by 45.24 ± 4.12%. The seven herbal extracts of C. sinensis, F. carica, P. multiflorus, A. japonica, I. obliquus, C. pinnatifida, and C. sativum may have the potential to control noroviruses without cytotoxicity.
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Affiliation(s)
- Dong Joo Seo
- Department of Food and Nutrition, College of Biotechnology and Natural Resources, Chung-Ang University, Anseong, Gyeonggi, 17546, South Korea
| | - Changsun Choi
- Department of Food and Nutrition, College of Biotechnology and Natural Resources, Chung-Ang University, Anseong, Gyeonggi, 17546, South Korea.
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Frabasile S, Koishi AC, Kuczera D, Silveira GF, Verri WA, Duarte dos Santos CN, Bordignon J. The citrus flavanone naringenin impairs dengue virus replication in human cells. Sci Rep 2017; 7:41864. [PMID: 28157234 PMCID: PMC5291091 DOI: 10.1038/srep41864] [Citation(s) in RCA: 78] [Impact Index Per Article: 11.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/2016] [Accepted: 01/04/2017] [Indexed: 02/02/2023] Open
Abstract
Dengue is one of the most significant health problems in tropical and sub-tropical regions throughout the world. Nearly 390 million cases are reported each year. Although a vaccine was recently approved in certain countries, an anti-dengue virus drug is still needed. Fruits and vegetables may be sources of compounds with medicinal properties, such as flavonoids. This study demonstrates the anti-dengue virus activity of the citrus flavanone naringenin, a class of flavonoid. Naringenin prevented infection with four dengue virus serotypes in Huh7.5 cells. Additionally, experiments employing subgenomic RepDV-1 and RepDV-3 replicon systems confirmed the ability of naringenin to inhibit dengue virus replication. Antiviral activity was observed even when naringenin was used to treat Huh7.5 cells 24 h after dengue virus exposure. Finally, naringenin anti-dengue virus activity was demonstrated in primary human monocytes infected with dengue virus sertoype-4, supporting the potential use of naringenin to control dengue virus replication. In conclusion, naringenin is a suitable candidate molecule for the development of specific dengue virus treatments.
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Affiliation(s)
- Sandra Frabasile
- Sección Virologia, Facultad de Ciencias, Universidad de La República, 11400, Montevideo, Uruguay
- Laboratório de Virologia Molecular, Instituto Carlos Chagas, ICC/FIOCRUZ/PR, Curitiba, Paraná, Brazil
| | - Andrea Cristine Koishi
- Laboratório de Virologia Molecular, Instituto Carlos Chagas, ICC/FIOCRUZ/PR, Curitiba, Paraná, Brazil
| | - Diogo Kuczera
- Laboratório de Virologia Molecular, Instituto Carlos Chagas, ICC/FIOCRUZ/PR, Curitiba, Paraná, Brazil
| | | | - Waldiceu Aparecido Verri
- Departamento de Ciências Patológicas, Centro de Ciências Biológicas, Universidade Estadual de Londrina, Paraná, Brazil
| | | | - Juliano Bordignon
- Sección Virologia, Facultad de Ciencias, Universidad de La República, 11400, Montevideo, Uruguay
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Seo DJ, Lee M, Jeon SB, Park H, Jeong S, Lee BH, Choi C. Antiviral activity of herbal extracts against the hepatitis A virus. Food Control 2017. [DOI: 10.1016/j.foodcont.2016.07.028] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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Curcumin Shows Antiviral Properties against Norovirus. Molecules 2016; 21:molecules21101401. [PMID: 27775614 PMCID: PMC6274093 DOI: 10.3390/molecules21101401] [Citation(s) in RCA: 35] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/03/2016] [Revised: 10/07/2016] [Accepted: 10/15/2016] [Indexed: 11/17/2022] Open
Abstract
Phytochemicals provide environmentally friendly and relatively inexpensive natural products, which could potentially benefit public health by controlling human norovirus (HuNoV) infection. In this study, 18 different phytochemicals were evaluated for antiviral effects against norovirus using murine norovirus (MNV) as a model for norovirus biology. Among these phytochemicals, curcumin (CCM) was the most potent anti-noroviral phytochemical, followed by resveratrol (RVT). In a cell culture infection model, exposure to CCM or RVT for 3 days reduced infectivity of norovirus by 91% and 80%, respectively. To confirm the antiviral capability of CCM, we further evaluated its antiviral efficacy at various doses (0.25, 0.5, 0.75, 1, and 2 mg/mL) and durations (short-term: 10, 30, 60, and 120 min; long-term: 1, 3, 7, and 14 days). The anti-noroviral effect of CCM was verified to occur in a dose-dependent manner. Additionally, we evaluated the inhibitory effect of each phytochemical on the replication of HuNoV using a HuNoV replicon-bearing cell line (HG23). Neither CCM nor RVT had a strong inhibitory effect on HuNoV replication, which suggests that their antiviral mechanism may involve viral entry or other life cycle stages rather than the replication of viral RNA. Our results demonstrated that CCM may be a promising candidate for development as an anti-noroviral agent to prevent outbreaks of foodborne illness.
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Comparison of the antiviral activity of flavonoids against murine norovirus and feline calicivirus. Food Control 2016. [DOI: 10.1016/j.foodcont.2015.07.023] [Citation(s) in RCA: 34] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
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Yang T, Li S, Zhang X, Pang X, Lin Q, Cao J. Resveratrol, sirtuins, and viruses. Rev Med Virol 2015; 25:431-45. [DOI: 10.1002/rmv.1858] [Citation(s) in RCA: 31] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/07/2015] [Accepted: 09/19/2015] [Indexed: 12/25/2022]
Affiliation(s)
- Tao Yang
- College of Food Science and Technology; Central South University of Forestry and Technology; Changsha Hunan Province China
| | - Shugang Li
- Construction Corps Key Laboratory of Deep Processing on Featured Agricultural Products in South Xinjiang; Tarim University; Alar Xinjiang China
| | - Xuming Zhang
- Department of Microbiology and Immunology; University of Arkansas for Medical Sciences; Little Rock AR USA
| | - Xiaowu Pang
- Departments of Oral Pathology, College of Dentistry; Howard University; Washington DC USA
| | - Qinlu Lin
- College of Food Science and Technology; Central South University of Forestry and Technology; Changsha Hunan Province China
| | - Jianzhong Cao
- College of Food Science and Technology; Central South University of Forestry and Technology; Changsha Hunan Province China
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Ryu S, You HJ, Kim YW, Lee A, Ko GP, Lee SJ, Song MJ. Inactivation of norovirus and surrogates by natural phytochemicals and bioactive substances. Mol Nutr Food Res 2014; 59:65-74. [PMID: 25410634 DOI: 10.1002/mnfr.201400549] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2014] [Revised: 11/13/2014] [Accepted: 11/13/2014] [Indexed: 01/11/2023]
Abstract
Human norovirus is the leading cause of sporadic gastroenteritis, which is responsible for more than 90% of all nonbacterial gastroenteritis outbreaks. While norovirus infections typically cause mild and self-limiting symptoms lasting 24-48 h, chronic persistent infections can cause severe symptoms. Although recent advances have been made in understanding the molecular characteristics of norovirus infection, no norovirus-specific antiviral drugs, or vaccines are available. Conventional intervention methods used to inactivate norovirus, such as treatment with disinfecting agents (e.g. ethanol, hypochlorite, and quaternary ammonium formulations), have shown a lack of efficacy against human norovirus when they are applied to foods and in food preparation processes. Therefore, alternative antiviral or inactivating agents such as phytochemicals have received attention as potential norovirus inhibitors due to their relatively low toxicity and lack of side effects, which allows them to be prepared as food-safe formulations. Evidence from studies using viral surrogates suggests that numerous phytochemicals and foods containing flavonoids and polyphenols have anti-norovirus activity, and future studies will be necessary to confirm the effectiveness of such compounds against human norovirus and the molecular mechanisms through which they produce antiviral effects.
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Affiliation(s)
- Seungbo Ryu
- Department of Biosystems and Biotechnology, Division of Biotechnology, College of Life Sciences and Biotechnology, Korea University, Seoul, Republic of Korea
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D'Souza DH. Phytocompounds for the control of human enteric viruses. Curr Opin Virol 2014; 4:44-9. [PMID: 24434686 PMCID: PMC7102693 DOI: 10.1016/j.coviro.2013.12.006] [Citation(s) in RCA: 31] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2013] [Revised: 12/17/2013] [Accepted: 12/19/2013] [Indexed: 11/29/2022]
Abstract
Plant extracts have been researched for antiviral properties and health benefits. Plant polyphenols that show activity against human enteric viruses are summarized. Plant extracts appear to be promising alternatives to help control human enteric viruses.
Plant extracts and associated polyphenols are known for their varied health benefits that include antioxidant effects and antimicrobial properties. The increasing consumer demand for cost-effective and natural alternatives to chemically-synthesized antimicrobials and therapeutics that are also sustainable makes the field of phytochemical research rather intriguing and challenging. Human enteric viruses are increasingly recognized worldwide as significant causes of human disease in adults and children, alike. In the absence of available vaccines for the human noroviruses, plant extracts are gaining popularity for the prevention and treatment of viral diseases. Research on plant extracts (particularly polyphenols derived from fruits) for human enteric virus control will be briefly summarized in this article.
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Affiliation(s)
- Doris H D'Souza
- Department of Food Science and Technology, University of Tennessee-Knoxville, 2600 River Drive, Room 102 FSPB, Knoxville, TN 37996, United States.
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The effects of Nigella sativa (Ns), Anthemis hyalina (Ah) and Citrus sinensis (Cs) extracts on the replication of coronavirus and the expression of TRP genes family. Mol Biol Rep 2014; 41:1703-11. [PMID: 24413991 PMCID: PMC3933739 DOI: 10.1007/s11033-014-3019-7] [Citation(s) in RCA: 85] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/25/2013] [Accepted: 01/02/2014] [Indexed: 12/20/2022]
Abstract
Extracts of Anthemis hyalina (Ah), Nigella sativa (Ns) and peels of Citrus sinensis (Cs) have been used as folk medicine to fight antimicrobial diseases. To evaluate the effect of extracts of Ah, Ns and Cs on the replication of coronavirus (CoV) and on the expression of TRP genes during coronavirus infection, HeLa-CEACAM1a (HeLa-epithelial carcinoembryonic antigen-related cell adhesion molecule 1a) cells were inoculated with MHV-A59 (mouse hepatitis virus–A59) at moi of 30. 1/50 dilution of the extracts was found to be the safe active dose. ELISA kits were used to detect the human IL-8 levels. Total RNA was isolated from the infected cells and cDNA was synthesized. Fluidigm Dynamic Array nanofluidic chip 96.96 was used to analyze the mRNA expression of 21 TRP genes and two control genes. Data was analyzed using the BioMark digital array software. Determinations of relative gene expression values were carried out by using the 2−∆∆Ct method (normalized threshold cycle (Ct) value of sample minus normalized Ct value of control). TCID50/ml (tissue culture infectious dose that will produce cytopathic effect in 50 % of the inoculated tissue culture cells) was found for treatments to determine the viral loads. The inflammatory cytokine IL-8 level was found to increase for both 24 and 48 h time points following Ns extract treatment. TRPA1, TRPC4, TRPM6, TRPM7, TRPM8 and TRPV4 were the genes which expression levels changed significantly after Ah, Ns or Cs extract treatments. The virus load decreased when any of the Ah, Ns or Cs extracts was added to the CoV infected cells with Ah extract treatment leading to undetectable virus load for both 6 and 8hpi. Although all the extract treatments had an effect on IL-8 secretion, TRP gene expression and virus load after CoV infection, it was the Ah extract treatment that showed the biggest difference in virus load. Therefore Ah extract is the best candidate in our hands that contains potential treatment molecule(s).
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