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Falcó I, Randazzo W, Sánchez G. Antiviral Activity of Natural Compounds for Food Safety. FOOD AND ENVIRONMENTAL VIROLOGY 2024; 16:280-296. [PMID: 38884930 PMCID: PMC11422275 DOI: 10.1007/s12560-024-09605-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/13/2024] [Accepted: 05/16/2024] [Indexed: 06/18/2024]
Abstract
Gastroenteritis and hepatitis are the most common illnesses resulting from the consumption of food contaminated with human enteric viruses. Several natural compounds have demonstrated antiviral activity against human enteric viruses, such as human norovirus and hepatitis A virus, while little information is available for hepatitis E virus. Many in-vitro studies have evaluated the efficacy of different natural compounds against human enteric viruses or their surrogates. However, only few studies have investigated their antiviral activity in food applications. Among them, green tea extract, grape seed extract and carrageenans have been extensively investigated as antiviral natural compounds to improve food safety. Indeed, these extracts have been studied as sanitizers on food-contact surfaces, in produce washing solutions, as active fractions in antiviral food-packaging materials, and in edible coatings. The most innovative applications of these antiviral natural extracts include the development of coatings to extend the shelf life of berries or their combination with established food technologies for improved processes. This review summarizes existing knowledge in the underexplored field of natural compounds for enhancing the safety of viral-contaminated foods and underscores the research needs to be covered in the near future.
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Affiliation(s)
- Irene Falcó
- VISAFELab, Department of Preservation and Food Safety Technologies, IATA-CSIC, Valencia, Spain.
- Department of Microbiology and Ecology, University of Valencia, C/Doctor Moliner, 50, 46100, Burjassot, Valencia, Spain.
| | - Walter Randazzo
- VISAFELab, Department of Preservation and Food Safety Technologies, IATA-CSIC, Valencia, Spain
- Universidad Internacional de Valencia, Valencia, Spain
| | - Gloria Sánchez
- VISAFELab, Department of Preservation and Food Safety Technologies, IATA-CSIC, Valencia, Spain
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2
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Howard A, Carroll-Portillo A, Alcock J, Lin HC. Dietary Effects on the Gut Phageome. Int J Mol Sci 2024; 25:8690. [PMID: 39201374 PMCID: PMC11354428 DOI: 10.3390/ijms25168690] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2024] [Revised: 07/29/2024] [Accepted: 08/06/2024] [Indexed: 09/02/2024] Open
Abstract
As knowledge of the gut microbiome has expanded our understanding of the symbiotic and dysbiotic relationships between the human host and its microbial constituents, the influence of gastrointestinal (GI) microbes both locally and beyond the intestine has become evident. Shifts in bacterial populations have now been associated with several conditions including Crohn's disease (CD), Ulcerative Colitis (UC), irritable bowel syndrome (IBS), Alzheimer's disease, Parkinson's Disease, liver diseases, obesity, metabolic syndrome, anxiety, depression, and cancers. As the bacteria in our gut thrive on the food we eat, diet plays a critical role in the functional aspects of our gut microbiome, influencing not only health but also the development of disease. While the bacterial microbiome in the context of disease is well studied, the associated gut phageome-bacteriophages living amongst and within our bacterial microbiome-is less well understood. With growing evidence that fluctuations in the phageome also correlate with dysbiosis, how diet influences this population needs to be better understood. This review surveys the current understanding of the effects of diet on the gut phageome.
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Affiliation(s)
- Andrea Howard
- School of Medicine, University of New Mexico, Albuquerque, NM 87131, USA;
| | - Amanda Carroll-Portillo
- Division of Gastroenterology and Hepatology, University of New Mexico, Albuquerque, NM 87131, USA
| | - Joe Alcock
- Department of Emergency Medicine, University of New Mexico, Albuquerque, NM 87131, USA;
| | - Henry C. Lin
- Division of Gastroenterology and Hepatology, University of New Mexico, Albuquerque, NM 87131, USA
- Medicine Service, New Mexico VA Health Care System, Albuquerque, NM 87108, USA
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3
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Pillai U J, Cherian L, Taunk K, Iype E, Dutta M. Identification of antiviral phytochemicals from cranberry as potential inhibitors of SARS-CoV-2 main protease (M pro). Int J Biol Macromol 2024; 261:129655. [PMID: 38266830 DOI: 10.1016/j.ijbiomac.2024.129655] [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: 10/25/2023] [Revised: 01/11/2024] [Accepted: 01/19/2024] [Indexed: 01/26/2024]
Abstract
Cranberry phytochemicals are known to possess antiviral activities. In the current study, we explored the therapeutic potential of cranberry against SARS-CoV-2 by targeting its main protease (Mpro) enzyme. Firstly, phytochemicals of cranberry origin were identified from three independent databases. Subsequently, virtual screening, using molecular docking and molecular dynamics simulation approaches, led to the identification of three lead phytochemicals namely, cyanidin 3-O-galactoside, β-carotene and epicatechin. Furthermore, in vitro enzymatic assays revealed that cyanidin 3-O-galactoside had the highest inhibitory potential with IC50 of 9.98 μM compared to the other two phytochemicals. Cyanidin 3-O-galactoside belongs to the class of anthocyanins. Anthocyanins extracted from frozen cranberry also exhibited the highest inhibitory potential with IC50 of 23.58 μg/ml compared to the extracts of carotenoids and flavanols, the class for β-carotene and epicatechin, respectively. Finally, we confirm the presence of the phytochemicals in the cranberry extracts using targeted LC-MS/MS analysis. Our results, therefore, indicate that the identified cranberry-derived bioactive compounds as well as cranberry could be used for therapeutic interventions against SARS-CoV-2.
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Affiliation(s)
- Jisha Pillai U
- Department of Biotechnology, Birla Institute of Technology and Science (BITS) Pilani-Dubai Campus, Academic City, Dubai, United Arab Emirates
| | - Lucy Cherian
- Department of Biotechnology, Birla Institute of Technology and Science (BITS) Pilani-Dubai Campus, Academic City, Dubai, United Arab Emirates
| | - Khushman Taunk
- Proteomics Laboratory, National Centre for Cell Science, Ganeshkhind, Pune, Maharashtra, India
| | - Eldhose Iype
- College of Engineering and Technology, American University of the Middle East, Kuwait
| | - Mainak Dutta
- Department of Biotechnology, Birla Institute of Technology and Science (BITS) Pilani-Dubai Campus, Academic City, Dubai, United Arab Emirates.
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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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Tuñón-Molina A, Cano-Vicent A, Serrano-Aroca Á. Tiger Nut Milk's Antiviral Properties against Enveloped and Non-Enveloped Viruses: Effect of Concentration and Adding Sugar. Int J Mol Sci 2023; 24:12018. [PMID: 37569397 PMCID: PMC10419018 DOI: 10.3390/ijms241512018] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2023] [Revised: 07/14/2023] [Accepted: 07/25/2023] [Indexed: 08/13/2023] Open
Abstract
The global COVID-19 pandemic has warned scientists of the requirement to look for new antimicrobial compounds to prevent infection by this type of viral pathogen. Natural compounds are becoming a promising avenue of research thanks to their renewable, biodegradable, and non-toxic properties. In this work, tiger nut milk's (TNM) antiviral properties, with and without sugar, were studied against enveloped and non-enveloped viruses. The antiviral properties of TNM were evaluated at different concentrations. The antiviral tests showed that TNM is antiviral against the enveloped bacteriophage phi 6, which is commonly used as a surrogate for severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), although it did not have any antiviral effect against the non-enveloped bacteriophage MS2. We also found that adding sugar to this natural drink can improve its antiviral properties against enveloped viruses and render it antiviral against non-enveloped viruses like bacteriophage MS2. The antiviral activity of TNM depends on the TNM concentration. TNM is a natural bioproduct that could help to fight against viral infections and protect against a wide range of viral illnesses. These results confirm that the typical sweetened drink made from tiger nut extract and sugar (known as horchata in Spain) possesses broad-spectrum antiviral properties.
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Affiliation(s)
| | | | - Ángel Serrano-Aroca
- Biomaterials and Bioengineering Lab, Centro de Investigación Traslacional San Alberto Magno, Universidad Católica de Valencia San Vicente Mártir, 46001 Valencia, Spain; (A.T.-M.); (A.C.-V.)
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6
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Jiang L, Tang A, Song L, Tong Y, Fan H. Advances in the development of antivirals for rotavirus infection. Front Immunol 2023; 14:1041149. [PMID: 37006293 PMCID: PMC10063883 DOI: 10.3389/fimmu.2023.1041149] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/10/2022] [Accepted: 02/28/2023] [Indexed: 03/19/2023] Open
Abstract
Rotavirus (RV) causes 200,000 deaths per year and imposes a serious burden to public health and livestock farming worldwide. Currently, rehydration (oral and intravenous) remains the main strategy for the treatment of rotavirus gastroenteritis (RVGE), and no specific drugs are available. This review discusses the viral replication cycle in detail and outlines possible therapeutic approaches including immunotherapy, probiotic-assisted therapy, anti-enteric secretory drugs, Chinese medicine, and natural compounds. We present the latest advances in the field of rotavirus antivirals and highlights the potential use of Chinese medicine and natural compounds as therapeutic agents. This review provides an important reference for rotavirus prevention and treatment.
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Affiliation(s)
| | | | - Lihua Song
- *Correspondence: Huahao Fan, ; Yigang Tong, ; Lihua Song,
| | - Yigang Tong
- *Correspondence: Huahao Fan, ; Yigang Tong, ; Lihua Song,
| | - Huahao Fan
- *Correspondence: Huahao Fan, ; Yigang Tong, ; Lihua Song,
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7
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Harb N, Sarhan AG, El Dougdoug KA, Gomaa HHA. Ammi-visnaga extract; a novel phyto-antiviral agent against bovine rotavirus. Virusdisease 2023; 34:76-87. [PMID: 37009254 PMCID: PMC10050252 DOI: 10.1007/s13337-022-00803-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/12/2022] [Accepted: 12/20/2022] [Indexed: 01/06/2023] Open
Abstract
The spread of bovine rotavirus has a great impact on animal productivity, milk products, and human public health. Thus, this study aimed to develop a novel, effective and accessible Phyto-antiviral treatment made from methanolic Ammi-visnaga seed extract against rotavirus infection. Rotaviruses were isolated from raw milk and cottage cheese samples randomly collected from Cairo and Qalubia governorates. They were all identified serologically, however, only three of them were both biologically and molecularly confirmed. The methanolic extract derived from Khella seeds (MKSE) was chemically analyzed with mass chromatography. The cellular toxicity of MKSE was tested on Caco-2 cells and its antiviral activity against one of the isolated bovine rotaviruses (BRVM1) was tested by both the cytopathic inhibition assay and the plaque reduction assay. Our results showed that 17.3% of the total collected 150 dairy samples were bovine rotavirus antigen positive. Three representatives of them were phylogenetically identified to be included in group A based on a 379 bp coat protein gene. Visnagin, Benzopyran, Khellin, and Benzenepropanoic acid were the major active components found in the MKSE. The maximum non-toxic concentration of MKSE was 5 µg/mL and the CC50 value was 417 µg/mL. The MKSE exhibited in-vitro antiviral activity against BRVM1 indicated by inhibition of the viral cytopathic effect (SI = 204.5, IP = 98%), causing a 1.5 log decrease in BVRM1 TCID50 and reducing the viral plaques count by the percentage of 93.14% at MNTC (5 ug/ml). In conclusion, our study showed that bovine rotavirus represents a severe health problem that needs attention in Egypt, and it supports using MKSE as a potential natural anti-rotavirus agent.
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Affiliation(s)
- Nashwa Harb
- Department of Botany and Microbiology, Faculty of Science, Suez Canal University, Ismailia, Egypt
| | - Amira G. Sarhan
- Department of Botany and Microbiology, Faculty of Science, Suez Canal University, Ismailia, Egypt
| | - Khalid A. El Dougdoug
- Department of Agric. Microbiology, Faculty of Agriculture, Ain Shams University, Cairo, Egypt
| | - Hanna H. A. Gomaa
- Department of Botany and Microbiology, Faculty of Science, Suez Canal University, Ismailia, Egypt
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8
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Karczewska M, Strzelecki P, Szalewska-Pałasz A, Nowicki D. How to Tackle Bacteriophages: The Review of Approaches with Mechanistic Insight. Int J Mol Sci 2023; 24:ijms24054447. [PMID: 36901878 PMCID: PMC10003480 DOI: 10.3390/ijms24054447] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2023] [Revised: 02/21/2023] [Accepted: 02/22/2023] [Indexed: 02/26/2023] Open
Abstract
Bacteriophage-based applications have a renaissance today, increasingly marking their use in industry, medicine, food processing, biotechnology, and more. However, phages are considered resistant to various harsh environmental conditions; besides, they are characterized by high intra-group variability. Phage-related contaminations may therefore pose new challenges in the future due to the wider use of phages in industry and health care. Therefore, in this review, we summarize the current knowledge of bacteriophage disinfection methods, as well as highlight new technologies and approaches. We discuss the need for systematic solutions to improve bacteriophage control, taking into account their structural and environmental diversity.
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Affiliation(s)
- Monika Karczewska
- Department of Bacterial Molecular Genetics, Faculty of Biology, University of Gdansk, Wita Stwosza 59, 80-308 Gdansk, Poland
| | - Patryk Strzelecki
- Department of Bacterial Molecular Genetics, Faculty of Biology, University of Gdansk, Wita Stwosza 59, 80-308 Gdansk, Poland
- Institut de Physique et Chimie des Matériaux de Strasbourg, Université de Strasbourg, CNRS, UMR7504, 23 rue du Loess, CEDEX 2, F-67034 Strasbourg, France
| | - Agnieszka Szalewska-Pałasz
- Department of Bacterial Molecular Genetics, Faculty of Biology, University of Gdansk, Wita Stwosza 59, 80-308 Gdansk, Poland
| | - Dariusz Nowicki
- Department of Bacterial Molecular Genetics, Faculty of Biology, University of Gdansk, Wita Stwosza 59, 80-308 Gdansk, Poland
- Correspondence: ; Tel.: +48-58-523-6065
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9
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Tuñón-Molina A, Cano-Vicent A, Serrano-Aroca Á. Antimicrobial Lipstick: Bio-Based Composition against Viruses, Bacteria, and Fungi. ACS APPLIED MATERIALS & INTERFACES 2022; 14:56658-56665. [PMID: 36516340 DOI: 10.1021/acsami.2c19460] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/17/2023]
Abstract
The COVID-19 pandemic has speeded up the race to find materials that could help limit or avoid the spread of SARS-CoV-2, while infections by multidrug-resistant bacteria and fungi are now becoming a serious threat. In this study, we developed a novel bio-based lipstick containing cranberry extract, a substance able to inactivate a broad range of microorganisms: enveloped viruses such as bacteriophage Φ6, a surrogate of SARS-CoV-2; non-enveloped viruses including bacteriophage MS2; multidrug-resistant bacteria like methicillin-resistant Staphylococcus aureus, Escherichia coli, and Mycobacterium smegmatis, a surrogate of Mycobacterium tuberculosis; and the Candida albicans fungus. The proposed antimicrobial lipstick offers a new form of protection against a broad range of microorganisms, including enveloped and non-enveloped viruses, bacteria, and fungi, in the current COVID-19 pandemic and microbial-resistant era.
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Affiliation(s)
- Alberto Tuñón-Molina
- Doctoral School, Universidad Católica de Valencia San Vicente Mártir, 46001 Valencia, Spain
- Biomaterials and Bioengineering Laboratory, Centro de Investigación Traslacional San Alberto Magno, Universidad Católica de Valencia San Vicente Mártir, 46001 Valencia, Spain
| | - Alba Cano-Vicent
- Doctoral School, Universidad Católica de Valencia San Vicente Mártir, 46001 Valencia, Spain
- Biomaterials and Bioengineering Laboratory, Centro de Investigación Traslacional San Alberto Magno, Universidad Católica de Valencia San Vicente Mártir, 46001 Valencia, Spain
| | - Ángel Serrano-Aroca
- Biomaterials and Bioengineering Laboratory, Centro de Investigación Traslacional San Alberto Magno, Universidad Católica de Valencia San Vicente Mártir, 46001 Valencia, Spain
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10
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Maffei ME, Salata C, Gribaudo G. Tackling the Future Pandemics: Broad-Spectrum Antiviral Agents (BSAAs) Based on A-Type Proanthocyanidins. Molecules 2022; 27:8353. [PMID: 36500445 PMCID: PMC9736452 DOI: 10.3390/molecules27238353] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/22/2022] [Revised: 11/19/2022] [Accepted: 11/25/2022] [Indexed: 12/02/2022] Open
Abstract
A-type proanthocyanidins (PAC-As) are plant-derived natural polyphenols that occur as oligomers or polymers of flavan-3-ol monomers, such as (+)-catechin and (-)-epicatechin, connected through an unusual double A linkage. PAC-As are present in leaves, seeds, flowers, bark, and fruits of many plants, and are thought to exert protective natural roles against microbial pathogens, insects, and herbivores. Consequently, when tested in isolation, PAC-As have shown several biological effects, through antioxidant, antibacterial, immunomodulatory, and antiviral activities. PAC-As have been observed in fact to inhibit replication of many different human viruses, and both enveloped and non-enveloped DNA and RNA viruses proved sensible to their inhibitory effect. Mechanistic studies revealed that PAC-As cause reduction of infectivity of viral particles they come in contact with, as a result of their propensity to interact with virion surface capsid proteins or envelope glycoproteins essential for viral attachment and entry. As viral infections and new virus outbreaks are a major public health concern, development of effective Broad-Spectrum Antiviral Agents (BSAAs) that can be rapidly deployable even against future emerging viruses is an urgent priority. This review summarizes the antiviral activities and mechanism of action of PAC-As, and their potential to be deployed as BSAAs against present and future viral infections.
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Affiliation(s)
- Massimo E. Maffei
- Department of Life Sciences and Systems Biology, University of Turin, Via Quarello 15/a, 10135 Turin, Italy
| | - Cristiano Salata
- Department of Molecular Medicine, University of Padua, 35121 Padua, Italy
| | - Giorgio Gribaudo
- Department of Life Sciences and Systems Biology, University of Torino, Via Accademia Albertina 13, 10123 Turin, Italy
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Tamkutė L, Haddad JG, Diotel N, Desprès P, Venskutonis PR, El Kalamouni C. Cranberry Pomace Extract Exerts Antiviral Activity against Zika and Dengue Virus at Safe Doses for Adult Zebrafish. Viruses 2022; 14:1101. [PMID: 35632841 PMCID: PMC9147401 DOI: 10.3390/v14051101] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2022] [Revised: 05/16/2022] [Accepted: 05/20/2022] [Indexed: 02/06/2023] Open
Abstract
Mosquito-borne dengue virus (DENV) and zika virus (ZIKV) infections constitute a global health emergency. Antivirals directly targeting the virus infectious cycle are still needed to prevent dengue hemorrhagic fever and congenital zika syndrome. In the present study, we demonstrated that Cranberry Pomace (CP) extract, a polyphenol-rich agrifood byproduct recovered following cranberry juice extraction, blocks DENV and ZIKV infection in human Huh7.5 and A549 cell lines, respectively, in non-cytotoxic concentrations. Our virological assays identified CP extract as a potential inhibitor of virus entry into the host-cell by acting directly on viral particles, thus preventing their attachment to the cell surface. At effective antiviral doses, CP extract proved safe and tolerable in a zebrafish model. In conclusion, polyphenol-rich agrifood byproducts such as berry extracts are a promising source of safe and naturally derived nutraceutical antivirals that target medically important pathogens.
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Affiliation(s)
- Laura Tamkutė
- Unité Mixte Processus Infectieux En Milieu Insulaire Tropical, Université De La Réunion, INSERM U1187, CNRS UMR 9192, IRD UMR 249, Plateforme Technologique CYROI, 94791 Sainte Clotilde, France; (L.T.); (J.G.H.); (P.D.)
- Department of Food Science and Technology, Kaunas University of Technology, Radvilenu, pl. 19, LT-50254 Kaunas, Lithuania;
| | - Juliano G. Haddad
- Unité Mixte Processus Infectieux En Milieu Insulaire Tropical, Université De La Réunion, INSERM U1187, CNRS UMR 9192, IRD UMR 249, Plateforme Technologique CYROI, 94791 Sainte Clotilde, France; (L.T.); (J.G.H.); (P.D.)
| | - Nicolas Diotel
- Diabète Athérothrombose Thérapies Réunion Océan Indien (DéTROI), Université de La Réunion, INSERM, UMR 1188, 97490 Saint-Denis de La Réunion, France;
| | - Philippe Desprès
- Unité Mixte Processus Infectieux En Milieu Insulaire Tropical, Université De La Réunion, INSERM U1187, CNRS UMR 9192, IRD UMR 249, Plateforme Technologique CYROI, 94791 Sainte Clotilde, France; (L.T.); (J.G.H.); (P.D.)
| | - Petras Rimantas Venskutonis
- Department of Food Science and Technology, Kaunas University of Technology, Radvilenu, pl. 19, LT-50254 Kaunas, Lithuania;
| | - Chaker El Kalamouni
- Unité Mixte Processus Infectieux En Milieu Insulaire Tropical, Université De La Réunion, INSERM U1187, CNRS UMR 9192, IRD UMR 249, Plateforme Technologique CYROI, 94791 Sainte Clotilde, France; (L.T.); (J.G.H.); (P.D.)
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12
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Bernier C, Goetz C, Jubinville E, Jean J. The New Face of Berries: A Review of Their Antiviral Proprieties. Foods 2021; 11:102. [PMID: 35010229 PMCID: PMC8750760 DOI: 10.3390/foods11010102] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2021] [Revised: 12/21/2021] [Accepted: 12/24/2021] [Indexed: 12/28/2022] Open
Abstract
Due to rising consumer preference for natural remedies, the search for natural antiviral agents has accelerated considerably in recent years. Among the natural sources of compounds with potential antiviral proprieties, berries are interesting candidates, due to their association with health-promoting properties, including antioxidant, antimutagenic, anticancer, antimicrobial, anti-inflammatory, and neuroprotective properties. The past two decades have witnessed a flurry of new findings. Studies suggest promising antiviral proprieties against enveloped and non-enveloped viruses, particularly of cranberries, blueberries, blackcurrants, black raspberries, and pomegranates. The aim of this review is to assemble these findings, to list the implied mechanisms of action, and thereby point out promising subjects for research in this field, in the hope that compounds obtainable from natural sources such as berries may be used someday to treat, or even prevent, viral infections.
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Affiliation(s)
| | | | | | - Julie Jean
- Department of Food Sciences, Institute of Nutrition and Functional Foods (INAF), Université Laval, Quebec, QC G1V 0A6, Canada; (C.B.); (C.G.); (E.J.)
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13
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Shahagadkar P, Shah H, Palani A, Munirathinam G. Berry derived constituents in suppressing viral infection: Potential avenues for viral pandemic management. Clin Nutr ESPEN 2021; 46:14-20. [PMID: 34857187 DOI: 10.1016/j.clnesp.2021.09.728] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2021] [Revised: 08/09/2021] [Accepted: 09/13/2021] [Indexed: 10/20/2022]
Abstract
Berries are acknowledged as a rich source of major dietary antioxidants and the fact that berry phenolics exhibit antioxidant property is widely accepted. Berries are abundant in Vitamin C and polyphenols such as anthocyanins, flavonoids, and phenolic acids. Polyphenols are found to have several therapeutic effects such as anti-inflammatory, antioxidant, and antimicrobial properties. Increasing studies are focusing on natural products and their components for alternative therapeutics against viral infections. In particular, berries such as elderberry, blueberry, raspberry, and cranberry have proven to be effective against viral infections. Of note, the decoction of Honeysuckle (Lonicera japonica) has been shown to treat viral epidemic diseases. Owing to the rich source of various antiviral constituents, berries could be an alternative source for managing viral infections. In this review, we provide insights into how berry derived components inhibit viral infection and their clinical usefulness in viral disease management.
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Affiliation(s)
- Preksha Shahagadkar
- Department of Biomedical Sciences, College of Medicine, University of Illinois, Rockford, IL, USA
| | - Hillary Shah
- Department of Biomedical Sciences, College of Medicine, University of Illinois, Rockford, IL, USA
| | - Arvind Palani
- Department of Biomedical Sciences, College of Medicine, University of Illinois, Rockford, IL, USA
| | - Gnanasekar Munirathinam
- Department of Biomedical Sciences, College of Medicine, University of Illinois, Rockford, IL, USA.
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Takayama K, Tuñón-Molina A, Cano-Vicent A, Muramoto Y, Noda T, Aparicio-Collado JL, Sabater i Serra R, Martí M, Serrano-Aroca Á. Non-Woven Infection Prevention Fabrics Coated with Biobased Cranberry Extracts Inactivate Enveloped Viruses Such as SARS-CoV-2 and Multidrug-Resistant Bacteria. Int J Mol Sci 2021; 22:12719. [PMID: 34884521 PMCID: PMC8657951 DOI: 10.3390/ijms222312719] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/07/2021] [Revised: 11/17/2021] [Accepted: 11/22/2021] [Indexed: 01/08/2023] Open
Abstract
The Coronavirus Disease (COVID-19) pandemic is demanding the rapid action of the authorities and scientific community in order to find new antimicrobial solutions that could inactivate the pathogen SARS-CoV-2 that causes this disease. Gram-positive bacteria contribute to severe pneumonia associated with COVID-19, and their resistance to antibiotics is exponentially increasing. In this regard, non-woven fabrics are currently used for the fabrication of infection prevention clothing such as face masks, caps, scrubs, shirts, trousers, disposable gowns, overalls, hoods, aprons and shoe covers as protective tools against viral and bacterial infections. However, these non-woven fabrics are made of materials that do not exhibit intrinsic antimicrobial activity. Thus, we have here developed non-woven fabrics with antimicrobial coatings of cranberry extracts capable of inactivating enveloped viruses such as SARS-CoV-2 and the bacteriophage phi 6 (about 99% of viral inactivation in 1 min of viral contact), and two multidrug-resistant bacteria: the methicillin-resistant Staphylococcus aureus and the methicillin-resistant Staphylococcus epidermidis. The morphology, thermal and mechanical properties of the produced filters were characterized by optical and electron microscopy, differential scanning calorimetry, thermogravimetry and dynamic mechanical thermal analysis. The non-toxicity of these advanced technologies was ensured using a Caenorhabditis elegans in vivo model. These results open up a new prevention path using natural and biodegradable compounds for the fabrication of infection prevention clothing in the current COVID-19 pandemic and microbial resistant era.
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Affiliation(s)
- Kazuo Takayama
- Center for iPS Cell Research and Application (CiRA), Kyoto University, Kyoto 606-8507, Japan;
| | - Alberto Tuñón-Molina
- Biomaterials and Bioengineering Lab, Centro de Investigación Traslacional San Alberto Magno, Universidad Católica de Valencia San Vicente Mártir, c/Guillem de Castro 94, 46001 Valencia, Spain; (A.T.-M.); (A.C.-V.); (M.M.)
| | - Alba Cano-Vicent
- Biomaterials and Bioengineering Lab, Centro de Investigación Traslacional San Alberto Magno, Universidad Católica de Valencia San Vicente Mártir, c/Guillem de Castro 94, 46001 Valencia, Spain; (A.T.-M.); (A.C.-V.); (M.M.)
| | - Yukiko Muramoto
- Laboratory of Ultrastructural Virology, Institute for Frontier Life and Medical Sciences, Kyoto University, Kyoto 606-8507, Japan; (Y.M.); (T.N.)
| | - Takeshi Noda
- Laboratory of Ultrastructural Virology, Institute for Frontier Life and Medical Sciences, Kyoto University, Kyoto 606-8507, Japan; (Y.M.); (T.N.)
| | - José Luis Aparicio-Collado
- Centre for Biomaterials and Tissue Engineering, Universitat Politècnica de València, 46022 València, Spain; (J.L.A.-C.); (R.S.i.S.)
| | - Roser Sabater i Serra
- Centre for Biomaterials and Tissue Engineering, Universitat Politècnica de València, 46022 València, Spain; (J.L.A.-C.); (R.S.i.S.)
- CIBER-BBN, Biomedical Research Networking Centre in Bioengineering, Biomaterials and Nanomedicine, 46022 València, Spain
| | - Miguel Martí
- Biomaterials and Bioengineering Lab, Centro de Investigación Traslacional San Alberto Magno, Universidad Católica de Valencia San Vicente Mártir, c/Guillem de Castro 94, 46001 Valencia, Spain; (A.T.-M.); (A.C.-V.); (M.M.)
| | - Ángel Serrano-Aroca
- Biomaterials and Bioengineering Lab, Centro de Investigación Traslacional San Alberto Magno, Universidad Católica de Valencia San Vicente Mártir, c/Guillem de Castro 94, 46001 Valencia, Spain; (A.T.-M.); (A.C.-V.); (M.M.)
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15
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Edible fruit extracts and fruit juices as potential source of antiviral agents: a review. JOURNAL OF FOOD MEASUREMENT AND CHARACTERIZATION 2021. [PMCID: PMC8328999 DOI: 10.1007/s11694-021-01090-7] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
Abstract
Fruits have been widely consumed since the beginning of human evolution and are important source of a healthy being and helpful in treating various diseases as immunity boosters with the presence of a rich amount of health-promoting bioactives. Therapeutic efficacies of fruit extracts are reported to have immune-modulatory properties and influence greatly on the immune system of human body. Given the facts of the efficacy of edible fruits in improving the immunity of body as immune-stimulants, we have tried to consolidate the previously published data on edible fruits and its juices with antiviral potential. The objective of this review was to gather information on edible fruits with antiviral properties and the efforts to obtain their efficient delivery. Online bibliographical databases like PubMed, Scopus, and Web of Science were used to search literature on the antiviral effect of edible fruit extracts and fruit juices. The edible fruits like almond, apple, bael, blackberry, black currants, crane berry, citrus, grapes, Japanese cherry, mango, mulberry, pistachios, pomegranate, and strawberry showed promising antiviral properties against the different pathogenic viruses. The review provided an overview of likely effects of the intake of edible fruit extracts/fruit juices to strengthen the immune cells by reducing the oxidative stress in host body system which in turn inhibits the viral attachment and replication on the host cell. Hence these fruits can also be exploited in combating COVID-19 in the current pandemic situation. To validate the present hypothesis, the proposed edible fruit extracts can be evaluated against the SARS-CoV-2 via in vitro and in vivo models to confirm the fact.
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16
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Marongiu L, Burkard M, Venturelli S, Allgayer H. Dietary Modulation of Bacteriophages as an Additional Player in Inflammation and Cancer. Cancers (Basel) 2021; 13:cancers13092036. [PMID: 33922485 PMCID: PMC8122878 DOI: 10.3390/cancers13092036] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/09/2021] [Revised: 04/15/2021] [Accepted: 04/21/2021] [Indexed: 01/06/2023] Open
Abstract
Natural compounds such as essential oils and tea have been used successfully in naturopathy and folk medicine for hundreds of years. Current research is unveiling the molecular role of their antibacterial, anti-inflammatory, and anticancer properties. Nevertheless, the effect of these compounds on bacteriophages is still poorly understood. The application of bacteriophages against bacteria has gained a particular interest in recent years due to, e.g., the constant rise of antimicrobial resistance to antibiotics, or an increasing awareness of different types of microbiota and their potential contribution to gastrointestinal diseases, including inflammatory and malignant conditions. Thus, a better knowledge of how dietary products can affect bacteriophages and, in turn, the whole gut microbiome can help maintain healthy homeostasis, reducing the risk of developing diseases such as diverse types of gastroenteritis, inflammatory bowel disease, or even cancer. The present review summarizes the effect of dietary compounds on the physiology of bacteriophages. In a majority of works, the substance class of polyphenols showed a particular activity against bacteriophages, and the primary mechanism of action involved structural damage of the capsid, inhibiting bacteriophage activity and infectivity. Some further dietary compounds such as caffeine, salt or oregano have been shown to induce or suppress prophages, whereas others, such as the natural sweeter stevia, promoted species-specific phage responses. A better understanding of how dietary compounds could selectively, and specifically, modulate the activity of individual phages opens the possibility to reorganize the microbial network as an additional strategy to support in the combat, or in prevention, of gastrointestinal diseases, including inflammation and cancer.
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Affiliation(s)
- Luigi Marongiu
- Department of Experimental Surgery—Cancer Metastasis, Medical Faculty Mannheim, Ruprecht-Karls University of Heidelberg, Ludolf-Krehl-Str. 13-17, 68167 Mannheim, Germany;
| | - Markus Burkard
- Department of Biochemistry of Nutrition, University of Hohenheim, Garbenstr. 30, 70599 Stuttgart, Germany;
| | - Sascha Venturelli
- Department of Biochemistry of Nutrition, University of Hohenheim, Garbenstr. 30, 70599 Stuttgart, Germany;
- Department of Vegetative and Clinical Physiology, University Hospital of Tuebingen, Otfried-Müllerstr. 27, 72076 Tuebingen, Germany
- Correspondence: (S.V.); (H.A.); Tel.: +49-(0)711-459-24113 (ext. 24195) (S.V.); +49-(0)621-383-71630 (ext. 71635) (H.A.); Fax: +49-(0)-711-459-23822 (S.V.); +49-(0)-621-383-71631 (H.A.)
| | - Heike Allgayer
- Department of Experimental Surgery—Cancer Metastasis, Medical Faculty Mannheim, Ruprecht-Karls University of Heidelberg, Ludolf-Krehl-Str. 13-17, 68167 Mannheim, Germany;
- Correspondence: (S.V.); (H.A.); Tel.: +49-(0)711-459-24113 (ext. 24195) (S.V.); +49-(0)621-383-71630 (ext. 71635) (H.A.); Fax: +49-(0)-711-459-23822 (S.V.); +49-(0)-621-383-71631 (H.A.)
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17
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Ali SI, Sheikh WM, Rather MA, Venkatesalu V, Muzamil Bashir S, Nabi SU. Medicinal plants: Treasure for antiviral drug discovery. Phytother Res 2021; 35:3447-3483. [PMID: 33590931 PMCID: PMC8013762 DOI: 10.1002/ptr.7039] [Citation(s) in RCA: 40] [Impact Index Per Article: 13.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/12/2020] [Revised: 01/04/2021] [Accepted: 01/12/2021] [Indexed: 12/11/2022]
Abstract
The pandemic of viral diseases like novel coronavirus (2019-nCoV) prompted the scientific world to examine antiviral bioactive compounds rather than nucleic acid analogous, protease inhibitors, or other toxic synthetic molecules. The emerging viral infections significantly associated with 2019-nCoV have challenged humanity's survival. Further, there is a constant emergence of new resistant viral strains that demand novel antiviral agents with fewer side effects and cell toxicity. Despite significant progress made in immunization and regenerative medicine, numerous viruses still lack prophylactic vaccines and specific antiviral treatments that are so often influenced by the generation of viral escape mutants. Of importance, medicinal herbs offer a wide variety of therapeutic antiviral chemotypes that can inhibit viral replication by preventing viral adsorption, adhering to cell receptors, inhibiting virus penetration in the host cell, and competing for pathways of activation of intracellular signals. The present review will comprehensively summarize the promising antiviral activities of medicinal plants and their bioactive molecules. Furthermore, it will elucidate their mechanism of action and possible implications in the treatment/prevention of viral diseases even when their mechanism of action is not fully understood, which could serve as the base for the future development of novel or complementary antiviral treatments.
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Affiliation(s)
- Sofi Imtiyaz Ali
- Biochemistry & Molecular Biology Lab, Division of veterinary Biochemistry, Faculty of Veterinary Sciences and Animal Husbandry, SKUAST-K, Srinagar, India
| | - Wajid Mohammad Sheikh
- Biochemistry & Molecular Biology Lab, Division of veterinary Biochemistry, Faculty of Veterinary Sciences and Animal Husbandry, SKUAST-K, Srinagar, India
| | - Muzafar Ahmad Rather
- Biochemistry & Molecular Biology Lab, Division of veterinary Biochemistry, Faculty of Veterinary Sciences and Animal Husbandry, SKUAST-K, Srinagar, India
| | | | - Showkeen Muzamil Bashir
- Biochemistry & Molecular Biology Lab, Division of veterinary Biochemistry, Faculty of Veterinary Sciences and Animal Husbandry, SKUAST-K, Srinagar, India
| | - Showkat Ul Nabi
- Large Animal Diagnostic Laboratory, Department of Clinical Veterinary Medicine, Ethics & Jurisprudence, Faculty of Veterinary Sciences and Animal Husbandry, SKUAST-K, Srinagar, India
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18
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Ribeiro JM, Pereira GN, Kobayashi RK, Nakazato G. Antiphage activity of natural and synthetic substances: a new age for antivirals? Future Microbiol 2020; 15:767-777. [PMID: 32700548 DOI: 10.2217/fmb-2019-0320] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
Viruses are considered biological entities that possess a genome and can adapt to the environment of living organisms. Since they are obligate intracellular parasites, their cycle of replication can result in cell death, and consequently, some viruses are harmful to mammalian cells and can cause disease in humans. Therefore, the search for substances for the treatment of viral diseases can be accomplished through the use of bacteriophages as models for eukaryotic cell viruses. Thus, this review highlights the main studies identifying substances with antiphage activity in comparison assays involving phages and eukaryotic viruses, in order to explore the potential of these substances as antivirals. As a future perspective, this approach may help at the beginning of an Antiviral Age.
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Affiliation(s)
- Jhonatan M Ribeiro
- Department of Microbiology, Universidade Estadual de Londrina, Londrina, Paraná CP 6001, Brazil
| | - Giovana N Pereira
- Department of Microbiology, Universidade Estadual de Londrina, Londrina, Paraná CP 6001, Brazil
| | - Renata Kt Kobayashi
- Department of Microbiology, Universidade Estadual de Londrina, Londrina, Paraná CP 6001, Brazil
| | - Gerson Nakazato
- Department of Microbiology, Universidade Estadual de Londrina, Londrina, Paraná CP 6001, Brazil
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19
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Wang Y, Harrington PDB, Chen P. Analysis of Phenolic Compositions in Cranberry Dietary Supplements using UHPLC-HRMS. J Food Compost Anal 2019; 86. [PMID: 32863574 DOI: 10.1016/j.jfca.2019.103362] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
Abstract
The potential human health benefits of American cranberry (Vaccinium macrocarpon Ait.) leads to the popularity of its dietary supplements in the U.S. market. However, the qualities of the cranberry dietary supplements (CDSs) have never been carefully evaluated. In this study, the phenolic components in ten different CDSs were analyzed using ultra-performance liquid chromatography high-resolution mass spectrometry (UHPLC-HRMS). The study found quercetin and myricetin aglycones in most CDSs, but not in cranberry fruits, despite otherwise similar phenolic profiles between CDS and cranberry fruits in general. One supplement with high levels of B-type proanthocyanidins and non-cranberry flavonol rutin was determined to be adulterated by other botanical extracts. The CDSs only possessed 4% to 11% of the phenolic contents comparing to their claimed fresh cranberry equivalents, emphasizing the urgency of standardized product quality control and labelling for CDS manufacture and marketing.
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Affiliation(s)
- Yifei Wang
- U.S. Department of Agriculture, Agricultural Research Service, Beltsville Human Nutrition Research Center, Food Composition and Methods Development Laboratory, Beltsville, MD, US 20705
- Center for Intelligent Chemical Instrumentation, Department of Chemistry & Biochemistry, Ohio University, Athens, Ohio, 45701
| | - Peter de B Harrington
- Center for Intelligent Chemical Instrumentation, Department of Chemistry & Biochemistry, Ohio University, Athens, Ohio, 45701
| | - Pei Chen
- U.S. Department of Agriculture, Agricultural Research Service, Beltsville Human Nutrition Research Center, Food Composition and Methods Development Laboratory, Beltsville, MD, US 20705
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20
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Mohammadi Pour P, Fakhri S, Asgary S, Farzaei MH, Echeverría J. The Signaling Pathways, and Therapeutic Targets of Antiviral Agents: Focusing on the Antiviral Approaches and Clinical Perspectives of Anthocyanins in the Management of Viral Diseases. Front Pharmacol 2019; 10:1207. [PMID: 31787892 PMCID: PMC6856223 DOI: 10.3389/fphar.2019.01207] [Citation(s) in RCA: 88] [Impact Index Per Article: 17.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/16/2019] [Accepted: 09/19/2019] [Indexed: 12/31/2022] Open
Abstract
As the leading cause of death worldwide, viruses significantly affect global health. Despite the rapid progress in human healthcare, there are few viricidal and antiviral therapies that are efficient enough. The rapid emergence of resistance, and high costs, as well as the related side effects of synthetic antiviral drugs, raise the need to identify novel, effective, and safe alternatives against viral diseases. Nature has been of the most exceptional help and source of inspiration for developing novel multi-target antiviral compounds, affecting several steps of the viral life cycle and host proteins. For that matter and due to safety and efficacy limitations, as well as high resistance rate of conventional therapies, hundreds of natural molecules are preferred over the synthetic drugs. Besides, natural antiviral agents have shown acceptable antiviral value in both preclinical and clinical trials.This is the first review regarding molecular and cellular pathways of the virus life cycle, treatment strategies, and therapeutic targets of several viral diseases with a particular focus on anthocyanins as promising natural compounds for significant antiviral enhancements. Clinical applications and the need to develop nano-formulation of anthocyanins in drug delivery systems are also considered.
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Affiliation(s)
- Pardis Mohammadi Pour
- Department of Pharmacognosy, School of Pharmacy and Pharmaceutical Sciences, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Sajad Fakhri
- Pharmaceutical Sciences Research Center, Health Institute, Kermanshah University of Medical Sciences, Kermanshah, Iran
| | - Sedigheh Asgary
- Isfahan Cardiovascular Research Center, Cardiovascular Research Institute, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Mohammad Hosein Farzaei
- Pharmaceutical Sciences Research Center, Health Institute, Kermanshah University of Medical Sciences, Kermanshah, Iran
| | - Javier Echeverría
- Departamento de Ciencias del Ambiente, Facultad de Química y Biología, Universidad de Santiago de Chile, Santiago, Chile
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21
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Tayyarcan EK, Acar Soykut E, Menteş Yılmaz O, Boyaci IH, Khaaladi M, Fattouch S. Investigation of different interactions betweenStaphylococcus aureusphages and pomegranate peel, grape seed, and black cumin extracts. J Food Saf 2019. [DOI: 10.1111/jfs.12679] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
Affiliation(s)
| | - Esra Acar Soykut
- Yeniçağa Yaşar Çelik Vocational SchoolBolu Abant İzzet Baysal University Bolu Turkey
| | | | - Ismail H. Boyaci
- Department of Food EngineeringHacettepe University Ankara Turkey
| | - Maha Khaaladi
- National Institute of Applied Sciences and Technology (INSAT)University of Carthage Tunis Tunisia
| | - Sami Fattouch
- National Institute of Applied Sciences and Technology (INSAT)University of Carthage Tunis Tunisia
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22
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Cheng D, Sun L, Zou S, Chen J, Mao H, Zhang Y, Liao N, Zhang R. Antiviral Effects of Houttuynia cordata Polysaccharide Extract on Murine Norovirus-1 (MNV-1)-A Human Norovirus Surrogate. Molecules 2019; 24:molecules24091835. [PMID: 31086065 PMCID: PMC6539669 DOI: 10.3390/molecules24091835] [Citation(s) in RCA: 30] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/04/2019] [Revised: 05/07/2019] [Accepted: 05/09/2019] [Indexed: 01/08/2023] Open
Abstract
Houttuynia cordata is an herbal plant rich in polysaccharides and with several pharmacological activities. Human noroviruses (HuNoVs) are the most common cause of foodborne viral gastroenteritis throughout the world. In this study, H. cordata polysaccharide (HP), with a molecular weight of ~43 kDa, was purified from H. cordata water extract (HWE). The polysaccharide HP was composed predominantly of galacturonic acid, galactose, glucose, and xylose in a molar ratio of 1.56:1.49:1.26:1.11. Methylation and NMR analyses revealed that HP was a pectin-like acidic polysaccharide mainly consisting of α-1,4-linked GalpA, β-1,4-linked Galp, β-1,4-linked Glcp, and β-1,4-linked Xylp residues. To evaluate the antiviral activity of H. cordata extracts, we compared the anti-norovirus potential of HP with HWE and ethanol extract (HEE) from H. cordata by plaque assay (plaque forming units (PFU)/mL) for murine norovirus-1 (MNV-1), a surrogate of HuNoVs. Viruses at high (8.09 log10 PFU/mL) or low (4.38 log10 PFU/mL) counts were mixed with 100, 250, and 500 μg/mL of HP, HWE or HEE and incubated for 30 min at room temperature. H. cordata polysaccharide (HP) was more effective than HEE in reducing MNV-1 plaque formation, but less effective than HWE. When MNV-1 was treated with 500 μg/mL HP, the infectivity of MNV-1 decreased to an undetectable level. The selectivity indexes of each sample were 1.95 for HEE, 5.74 for HP, and 16.14 for HWE. The results of decimal reduction time and transmission electron microscopic revealed that HP has anti-viral effects by deforming and inflating virus particles, thereby inhibiting the penetration of viruses in target cells. These findings suggest that HP might have potential as an antiviral agent in the treatment of viral diseases.
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Affiliation(s)
- Dongqing Cheng
- Department of Nutrition and Food Safety, Zhejiang Provincial Center for Disease Control and Prevention, Hangzhou 310006, China.
- College of Medical Technology, Zhejiang Chinese Medical University, Hangzhou 310053, China.
| | - Liang Sun
- Department of Nutrition and Food Safety, Zhejiang Provincial Center for Disease Control and Prevention, Hangzhou 310006, China.
| | - Songyan Zou
- College of Medical Technology, Zhejiang Chinese Medical University, Hangzhou 310053, China.
| | - Jiang Chen
- Department of Nutrition and Food Safety, Zhejiang Provincial Center for Disease Control and Prevention, Hangzhou 310006, China.
| | - Haiyan Mao
- Department of Nutrition and Food Safety, Zhejiang Provincial Center for Disease Control and Prevention, Hangzhou 310006, China.
| | - Yanjun Zhang
- Department of Nutrition and Food Safety, Zhejiang Provincial Center for Disease Control and Prevention, Hangzhou 310006, China.
| | - Ningbo Liao
- Department of Nutrition and Food Safety, Zhejiang Provincial Center for Disease Control and Prevention, Hangzhou 310006, China.
- School of Public Health, Division of Infectious Diseases and Vaccinology, University of California, Berkeley, CA 94720, USA.
| | - Ronghua Zhang
- Department of Nutrition and Food Safety, Zhejiang Provincial Center for Disease Control and Prevention, Hangzhou 310006, China.
- College of Medical Technology, Zhejiang Chinese Medical University, Hangzhou 310053, China.
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23
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Ghosh S, Malik YS, Kobayashi N. Therapeutics and Immunoprophylaxis Against Noroviruses and Rotaviruses: The Past, Present, and Future. Curr Drug Metab 2018; 19:170-191. [PMID: 28901254 PMCID: PMC5971199 DOI: 10.2174/1389200218666170912161449] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/04/2016] [Revised: 09/25/2016] [Accepted: 03/19/2017] [Indexed: 12/20/2022]
Abstract
Background: Noroviruses and rotaviruses are important viral etiologies of severe gastroenteritis. Noroviruses are the primary cause of nonbacterial diarrheal outbreaks in humans, whilst rotaviruses are a major cause of childhood diarrhea. Although both enteric pathogens substantially impact human health and economies, there are no approved drugs against noroviruses and rotaviruses so far. On the other hand, whilst the currently licensed rotavirus vaccines have been successfully implemented in over 100 countries, the most advanced norovirus vaccine has recently completed phase-I and II trials. Methods: We performed a structured search of bibliographic databases for peer-reviewed research litera-ture on advances in the fields of norovirus and rotavirus therapeutics and immunoprophylaxis. Results: Technological advances coupled with a proper understanding of viral morphology and replication over the past decade has facilitated pioneering research on therapeutics and immunoprophylaxis against noroviruses and rotaviruses, with promising outcomes in human clinical trials of some of the drugs and vaccines. This review focuses on the various developments in the fields of norovirus and rotavirus thera-peutics and immunoprophylaxis, such as potential antiviral drug molecules, passive immunotherapies (oral human immunoglobulins, egg yolk and bovine colostral antibodies, llama-derived nanobodies, and anti-bodies expressed in probiotics, plants, rice grains and insect larvae), immune system modulators, probiot-ics, phytochemicals and other biological substances such as bovine milk proteins, therapeutic nanoparti-cles, hydrogels and viscogens, conventional viral vaccines (live and inactivated whole virus vaccines), and genetically engineered viral vaccines (reassortant viral particles, virus-like particles (VLPs) and other sub-unit recombinant vaccines including multi-valent viral vaccines, edible plant vaccines, and encapsulated viral particles). Conclusions: This review provides important insights into the various approaches to therapeutics and im-munoprophylaxis against noroviruses and rotaviruses..
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Affiliation(s)
- Souvik Ghosh
- Department of Biomedical Sciences, Ross University School of Veterinary Medicine, St. Kitts and Nevis, West Indies.,Department of Hygiene, Sapporo Medical University School of Medicine, Sapporo, Hokkaido, Japan
| | - Yashpal Singh Malik
- Indian Veterinary Research Institute, Izatnagar 243 122, Uttar Pradesh, India
| | - Nobumichi Kobayashi
- Department of Hygiene, Sapporo Medical University School of Medicine, Sapporo, Hokkaido, Japan
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24
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Vallejo-Ochoa J, López-Marmolejo M, Hernández-Esquivel AA, Méndez-Gómez M, Suárez-Soria LN, Castro-Mercado E, García-Pineda E. Early plant growth and biochemical responses induced by Azospirillum brasilense Sp245 lipopolysaccharides in wheat (Triticum aestivum L.) seedlings are attenuated by procyanidin B2. PROTOPLASMA 2018; 255:685-694. [PMID: 29110138 DOI: 10.1007/s00709-017-1180-2] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/08/2017] [Accepted: 10/26/2017] [Indexed: 06/07/2023]
Abstract
This study analyzes the effects of procyanidin B2 on early wheat plant growth and plant biochemical responses promoted by lipopolysaccharides (LPS) derived from the rhizobacteria Azospirillum brasilense Sp245. Measurements of leaf, root length, fresh weight, and dry weight showed in vitro plant growth stimulation 4 days after treatment with A. brasilense as well as LPS. Superoxide anion (O2·-) and hydrogen peroxide (H2O2) levels increased in seedling roots treated with LPS (100 μg mL-1). The chlorophyll content in leaf decreased while the starch content increased 24 h after treatment in seedling roots. The LPS treatment induced a high increase in total peroxidase (POX) (EC 1.11.1.7) activity and ionically bound cell wall POX content in roots, when compared to respective controls. Early plant growth and biochemical responses observed in wheat seedlings treated with LPS were inhibited by the addition of procyanidin B2 (5 μg mL-1), a B type proanthocyanidin (PAC), plant-derived polyphenolic compound with binding properties of LPS. All results suggest first that the ionically bound cell wall POX enzymes could be a molecular target of A. brasilense LPS, and second that the recognition or association of LPS by plant cells is required to activate plant responses. This last event could play a critical role during plant growth regulation by A. brasilense LPS.
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Affiliation(s)
- Juan Vallejo-Ochoa
- Instituto de Investigaciones Químico Biológicas, Universidad Michoacana de San Nicolás de Hidalgo, Ciudad Universitaria, Edificio A1´, 58040, Morelia, Michoacan, Mexico
| | - Mariel López-Marmolejo
- Instituto de Investigaciones Químico Biológicas, Universidad Michoacana de San Nicolás de Hidalgo, Ciudad Universitaria, Edificio A1´, 58040, Morelia, Michoacan, Mexico
| | - Alma Alejandra Hernández-Esquivel
- Instituto de Investigaciones Químico Biológicas, Universidad Michoacana de San Nicolás de Hidalgo, Ciudad Universitaria, Edificio A1´, 58040, Morelia, Michoacan, Mexico
| | - Manuel Méndez-Gómez
- Instituto de Investigaciones Químico Biológicas, Universidad Michoacana de San Nicolás de Hidalgo, Ciudad Universitaria, Edificio A1´, 58040, Morelia, Michoacan, Mexico
| | - Laura Nicolasa Suárez-Soria
- Instituto de Investigaciones Químico Biológicas, Universidad Michoacana de San Nicolás de Hidalgo, Ciudad Universitaria, Edificio A1´, 58040, Morelia, Michoacan, Mexico
| | - Elda Castro-Mercado
- Instituto de Investigaciones Químico Biológicas, Universidad Michoacana de San Nicolás de Hidalgo, Ciudad Universitaria, Edificio A1´, 58040, Morelia, Michoacan, Mexico
| | - Ernesto García-Pineda
- Instituto de Investigaciones Químico Biológicas, Universidad Michoacana de San Nicolás de Hidalgo, Ciudad Universitaria, Edificio A1´, 58040, Morelia, Michoacan, Mexico.
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Coddens A, Loos M, Vanrompay D, Remon JP, Cox E. Cranberry extract inhibits in vitro adhesion of F4 and F18 +Escherichia coli to pig intestinal epithelium and reduces in vivo excretion of pigs orally challenged with F18 + verotoxigenic E. coli. Vet Microbiol 2017; 202:64-71. [PMID: 28161211 DOI: 10.1016/j.vetmic.2017.01.019] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/05/2016] [Revised: 01/11/2017] [Accepted: 01/17/2017] [Indexed: 12/25/2022]
Abstract
F4+E. coli and F18+E. coli infections are an important threat for pig industry worldwide. Antibiotics are commonly used to treat infected piglets, but the emerging development of resistance against antibiotics raises major concerns. Hence, alternative therapies to prevent pigs from F4+E. coli and F18+E. coli infections need to be developed. Since cranberry previously showed anti-adhesive activity against uropathogenic E. coli, we aimed to investigate whether cranberry extract could also inhibit binding of F4+E. coli and F18+E. coli to pig intestinal epithelium. Using the in vitro villus adhesion assay, we found that low concentrations of cranberry extract (20μg or 100μg/ml) have strong inhibitory activity on F4+E. coli (75.3%, S.D.=9.31 or 95.8%, S.D.=2.56, respectively) and F18+E. coli adherence (100% inhibition). This effect was not due to antimicrobial activity. Moreover, cranberry extract (10mg or 100mg) could also abolish in vivo binding of F4 and F18 fimbriae to the pig intestinal epithelium in ligated loop experiments. Finally, two challenge experiments with F18+E. coli were performed to address the efficacy of in-feed or water supplemented cranberry extract. No effect could be observed in piglets that received cranberry extract only in feed (1g/kg or 10g/kg). However, supplementation of feed (10g/kg) and drinking water (1g/L) significantly decreased excretion and diarrhea. The decreased infection resulted in a decreased serum antibody response indicating reduced exposure to F18+E. coli.
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Affiliation(s)
- Annelies Coddens
- Laboratory of Veterinary Immunology, Faculty of Veterinary Medicine, Ghent University, Salisburylaan 133, 9820 Merelbeke, Belgium.
| | - Michaela Loos
- Laboratory of Veterinary Immunology, Faculty of Veterinary Medicine, Ghent University, Salisburylaan 133, 9820 Merelbeke, Belgium.
| | - Daisy Vanrompay
- Laboratory for Immunology and Animal Biotechnology, Department of Animal Production, Faculty of Bioscience Engineering, Ghent University, Coupure Links 653, B-9000 Ghent, Belgium.
| | - Jean Paul Remon
- Laboratory of Pharmaceutical Technology, Ghent University, Harelbekestraat 72, 9000 Gent, Belgium.
| | - Eric Cox
- Laboratory of Veterinary Immunology, Faculty of Veterinary Medicine, Ghent University, Salisburylaan 133, 9820 Merelbeke, Belgium.
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Gandhi GR, Barreto PG, Lima BDS, Quintans JDSS, Araújo AADS, Narain N, Quintans-Júnior LJ, Gurgel RQ. Medicinal plants and natural molecules with in vitro and in vivo activity against rotavirus: A systematic review. PHYTOMEDICINE : INTERNATIONAL JOURNAL OF PHYTOTHERAPY AND PHYTOPHARMACOLOGY 2016; 23:1830-1842. [PMID: 27912886 DOI: 10.1016/j.phymed.2016.11.005] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/07/2016] [Revised: 11/03/2016] [Accepted: 11/04/2016] [Indexed: 06/06/2023]
Abstract
BACKGROUND Rotaviruses can cause life-threatening health disorders, such as severe dehydrating gastroenteritis and diarrhea in children. Vaccination is the main preventive strategy to reduce rotavirus diarrhea and the severity of episodes, but vaccines are not fully effective and new episodes may occur, even in vaccinated children. The WHO recommends oral rehydration therapy and zinc supplementation for rotavirus-induced diarrhea management. There is little preclinical evidence to support the use of phytotherapeutics in the management of rotaviral infections. PURPOSE We aim to review the use of medicinal plants and natural molecules in the management of rotavirus infections in experimental studies. METHODS Articles, published in the English language between 1991 and 2016, were retrieved from PubMed, Scopus and Web of Science using relevant keywords. The scientific literature mainly focusing on plant natural products with therapeutic efficacies against experimental models of rotavirus, were identified and tabulated. In addition, an assessment of the reliability of animal experiments was determined under ``Risk of Bias'' criteria. CHAPTERS After an initial search and a revision of the inclusion criteria, 41 reports satisfied the objectives of the study. 36 articles were found concerning the anti-rotaviral potential in rotavirus infected cell lines. Among the active secondary metabolites screened for rotavirus inhibition, the polyphenols of flavonoid structure had acquired the highest number of studies in our survey, compared to phenolic acids, stilbenoids, tannins, pectins, terpenoids and flavonoid glycosides. Also, many phytochemicals reduced the efficacy of viral capsid proteins foremost to their elimination and improved the tendency of host-cell inhibiting virus absorption or by prevention of viral replication. Furthermore, five in vivo studies reported that herbs, as well its components, reduced the duration and severity of diarrhea in mice and piglets. The anti-rotavirus efficacy were highlighted based on improvements in reduction on liquid stool, fecal virus shedding, small intestinal histology, levels of inflammation related cytokines and signaling receptors. However, the quality of the experiments in animal studies contained certain types of bias in terms of how they were conducted and reported. CONCLUSION We identified and summarized studies on medicinal plants and natural molecules having anti-rotavirus activity in order to further future developments of cures for rotavirus gastroenteritis.
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Affiliation(s)
- Gopalsamy Rajiv Gandhi
- Division of Paediatrics, Department of Medicine, Federal University of Sergipe, Rua Cláudio Batista, s/n, Cidade Nova, Aracaju, Sergipe 49.100-000, Brazil; Laboratory of Neuroscience and Pharmacological Assays (LANEF), Department of Physiology, Federal University of Sergipe, São Cristóvão, Aracaju, Sergipe 49.100-000, Brazil; Department of Pharmacy, Federal University of Sergipe, São Cristóvão, Aracaju, Sergipe 49.100-000, Brazil
| | - Paula Gurgel Barreto
- Department of Medicine, Tiradentes University, Avenida Murilo Dantas, 300-Bairro Farolandia, Aracaju, Sergipe 49.032-490, Brazil
| | - Bruno Dos Santos Lima
- Department of Pharmacy, Federal University of Sergipe, São Cristóvão, Aracaju, Sergipe 49.100-000, Brazil
| | - Jullyana de Souza Siqueira Quintans
- Laboratory of Neuroscience and Pharmacological Assays (LANEF), Department of Physiology, Federal University of Sergipe, São Cristóvão, Aracaju, Sergipe 49.100-000, Brazil
| | | | - Narendra Narain
- Laboratory of Flavor and Chromatographic Analysis, Federal University of Sergipe, São Cristóvão, Aracaju, Sergipe 49.100-000, Brazil
| | - Lucindo Jose Quintans-Júnior
- Laboratory of Neuroscience and Pharmacological Assays (LANEF), Department of Physiology, Federal University of Sergipe, São Cristóvão, Aracaju, Sergipe 49.100-000, Brazil.
| | - Ricardo Queiroz Gurgel
- Division of Paediatrics, Department of Medicine, Federal University of Sergipe, Rua Cláudio Batista, s/n, Cidade Nova, Aracaju, Sergipe 49.100-000, Brazil
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Sewlikar S, D'Souza DH. Survival of hepatitis A virus and Aichi virus in cranberry-based juices at refrigeration (4 °C). Food Microbiol 2016; 62:251-255. [PMID: 27889156 DOI: 10.1016/j.fm.2016.10.003] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2016] [Revised: 09/07/2016] [Accepted: 10/02/2016] [Indexed: 12/01/2022]
Abstract
Viral foodborne illness continues to be a health-concern globally, with numerous fruit and juice outbreaks of Hepatitis A virus (HAV) reported worldwide. Aichi virus (AiV) is an emerging pathogen with limited epidemiological data. Both, HAV and AiV are resistant to low pH and can survive under adverse environmental conditions leading to transmission ease. The objective of this study was to evaluate the survival of HAV and AiV in commercially-available cranberry-based juices (Cranberry juice cocktail, CJ and a 100% juice with cranberry, MJ) over 21 days at refrigeration (4 °C). Equal volumes of juice was mixed with each virus individually (final titer of 6 log PFU/mL) and stored at refrigeration over 21 days. At each time interval, the inoculated juices were serially diluted in cell culture media and infectious virus survival was determined by standard plaque assays. Each experiment was carried out in duplicate and replicated thrice. Reductions of 0.72 ± 0.06 (after day 1) to 2.3 ± 0.18 log PFU/mL (after day 21) and 0.63 ± 0.02 (after day 1) to 1.84 ± 0.14 log PFU/mL (after day 21) were obtained for AiV with MJ and CJ, respectively. Reductions ranging from 0.67 ± 0.03 (after day 1) to 1.09 ± 0.1 log PFU/mL (after day 21) and 0.93 ± 0.27 (after day1) to 1.49 ± 0.18 log PFU/mL (after day 21) were obtained for HAV at refrigeration in MJ and CJ, respectively. HAV showed greater survival than AiV in these juices over refrigerated storage. These results provide survival data of HAV and AiV in cranberry-based juices that can be used in risk-modeling and risk assessment studies.
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Affiliation(s)
- Snigdha Sewlikar
- The University of Tennessee-Knoxville, Department of Food Science and Technology, 2600 River Drive, Knoxville, TN 37966, USA
| | - Doris H D'Souza
- The University of Tennessee-Knoxville, Department of Food Science and Technology, 2600 River Drive, Knoxville, TN 37966, USA.
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Abstract
Many plant essential oils, extracts, and individual chemical components have been demonstrated to possess antiviral efficacy against enveloped and/or non-enveloped viruses. In general, plant antimicrobials exhibit greater antiviral efficacy against enveloped viruses than non-enveloped viruses (though not in all cases). There appear to be multiple mechanisms of antiviral action for plant antimicrobials; nevertheless, the majority of antimicrobials appear to act either directly on the virus itself (e.g., on the envelope or capsid) or during the early stages of virus replication following internalization of the virus into its host cell.
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29
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Madrigal-Carballo S, Haas L, Vestling M, Krueger CG, Reed JD. Non-covalent pomegranate (Punica granatum) hydrolyzable tannin-protein complexes modulate antigen uptake, processing and presentation by a T-cell hybridoma line co-cultured with murine peritoneal macrophages. Int J Food Sci Nutr 2016; 67:960-8. [PMID: 27406472 DOI: 10.1080/09637486.2016.1205551] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
Abstract
In this work we characterize the interaction of pomegranate hydrolyzable tannins (HT) with hen egg-white lysozyme (HEL) and determine the effects of non-covalent tannin-protein complexes on macrophage endocytosis, processing and presentation of antigen. We isolated HT from pomegranate and complex to HEL, the resulting non-covalent tannin-protein complex was characterized by gel electrophoresis and MALDI-TOF MS. Finally, cell culture studies and confocal microscopy imaging were conducted on the non-covalent pomegranate HT-HEL protein complexes to evaluate its effect on macrophage antigen uptake, processing and presentation to T-cell hybridomas. Our results indicate that non-covalent pomegranate HT-HEL protein complexes modulate uptake, processing and antigen presentation by mouse peritoneal macrophages. After 4 h of pre-incubation, only trace amounts of IL-2 were detected in the co-cultures treated with HEL alone, whereas a non-covalent pomegranate HT-HEL complex had already reached maximum IL-2 expression. Pomegranate HT may increase rate of endocytose of HEL and subsequent expression of IL-2 by the T-cell hybridomas.
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Affiliation(s)
- Sergio Madrigal-Carballo
- a National Center for Biotechnological Innovations (CENIBiot), CeNAT-CONARE, Edificio Franklin Chang Diaz , San Jose , Costa Rica
| | - Linda Haas
- b Department of Animal Sciences, Reed Research Group , University of Wisconsin-Madison , Madison , WI , USA
| | - Martha Vestling
- c Mass Spectrometry Facility, Department of Chemistry , University of Wisconsin-Madison , Madison , WI , USA
| | - Christian G Krueger
- b Department of Animal Sciences, Reed Research Group , University of Wisconsin-Madison , Madison , WI , USA
| | - Jess D Reed
- b Department of Animal Sciences, Reed Research Group , University of Wisconsin-Madison , Madison , WI , USA
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30
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Effect of hydrothermodynamic (HTD) processing on physical and chemical qualities of American cranberry puree using response surface methodology (RSM). Lebensm Wiss Technol 2016. [DOI: 10.1016/j.lwt.2016.02.054] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/28/2023]
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31
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Terlizzi ME, Occhipinti A, Luganini A, Maffei ME, Gribaudo G. Inhibition of herpes simplex type 1 and type 2 infections by Oximacro(®), a cranberry extract with a high content of A-type proanthocyanidins (PACs-A). Antiviral Res 2016; 132:154-64. [PMID: 27321663 DOI: 10.1016/j.antiviral.2016.06.006] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/29/2016] [Revised: 06/07/2016] [Accepted: 06/13/2016] [Indexed: 11/15/2022]
Abstract
In the absence of efficient preventive vaccines, topical microbicides offer an attractive alternative in the prevention of Herpes simplex type 1 (HSV-1) and type 2 (HSV-2) infections. Because of their recognized anti-adhesive activity against bacterial pathogens, cranberry (Vaccinium macrocarpon Ait.) extracts may represent a natural source of new antiviral microbicides. However, few studies have addressed the applications of cranberry extract as a direct-acting antiviral agent. Here, we report on the ability of the novel cranberry extract Oximacro(®) and its purified A-type proanthocyanidins (PACs-A), to inhibit HSV-1 and HSV-2 replication in vitro. Analysis of the mode of action revealed that Oximacro(®) prevents adsorption of HSV-1 and HSV-2 to target cells. Further mechanistic studies confirmed that Oximacro(®) and its PACs-A target the viral envelope glycoproteins gD and gB, thus resulting in the loss of infectivity of HSV particles. Moreover, Oximacro(®) completely retained its anti-HSV activity even at acidic pHs (3.0 and 4.0) and in the presence of 10% human serum proteins; conditions that mimic the physiological properties of the vagina - a potential therapeutic location for Oximacro(®). Taken together, these findings indicate Oximacro(®) as an attractive candidate for the development of novel microbicides of natural origin for the prevention of HSV infections.
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Affiliation(s)
- Maria Elena Terlizzi
- Microbiology and Virology Unit, Department of Life Science and Systems Biology, University of Turin, 10123 Turin, Italy.
| | - Andrea Occhipinti
- Plant Physiology Unit, Department of Life Science and Systems Biology, University of Turin, 10123 Turin, Italy; Biosfered S.r.l., 10135 Turin, Italy.
| | - Anna Luganini
- Microbiology and Virology Unit, Department of Life Science and Systems Biology, University of Turin, 10123 Turin, Italy.
| | - Massimo E Maffei
- Plant Physiology Unit, Department of Life Science and Systems Biology, University of Turin, 10123 Turin, Italy; Biosfered S.r.l., 10135 Turin, Italy.
| | - Giorgio Gribaudo
- Microbiology and Virology Unit, Department of Life Science and Systems Biology, University of Turin, 10123 Turin, Italy.
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32
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Turmagambetova AS, Sokolova NS, Bogoyavlenskiy AP, Berezin VE, Lila MA, Cheng DM, Dushenkov V. New functionally-enhanced soy proteins as food ingredients with anti-viral activity. Virusdisease 2015; 26:123-32. [PMID: 26396978 DOI: 10.1007/s13337-015-0268-6] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2015] [Accepted: 07/30/2015] [Indexed: 12/17/2022] Open
Abstract
Respiratory viruses are a major public health problem because of their prevalence and high morbidity rate leading to considerable social and economic implications. Cranberry has therapeutic potential attributed to a comprehensive list of phytochemicals including anthocyanins, flavonols, and unique A-type proanthocyanidins. Soy flavonoids, including isoflavones, have demonstrated anti-viral effects in vitro and in vivo. Recently, it was demonstrated that edible proteins can efficiently sorb and concentrate cranberry polyphenols, including anthocyanins and proanthocyanins, providing greatly stabilized matrices suitable for food products. The combination of cranberry and soy phytoactives may be an effective dietary anti-viral resource. Anti-viral properties of both cranberry juice-enriched and cranberry pomace polyphenol-enriched soy protein isolate (CB-SPI and CBP-SPI) were tested against influenza viruses (H7N1, H5N3, H3N2), Newcastle disease virus and Sendai virus in vitro and in ovo. In our experiments, preincubation with CB-SPI or CBP-SPI resulted in inhibition of virus adsorption to chicken red blood cells and reduction in virus nucleic acid content up to 16-fold, however, CB-SPI and CBP-SPI did not affect hemagglutination. Additionally, CB-SPI and CBP-SPI inhibited viral replication and infectivity more effectively than the commercially available anti-viral drug Amizon. Results suggest CB-SPI and CBP-SPI may have preventative and therapeutic potential against viral infections that cause diseases of the respiratory and gastro-intestinal tract.
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Affiliation(s)
| | | | | | | | - Mary Ann Lila
- Plants for Human Health Institute, North Carolina State University, 600 Laureate Way, Kannapolis, NC 28081 USA
| | - Diana M Cheng
- Department of Plant Biology and Pathology, Rutgers, The State University of New Jersey, 59 Dudley Road, New Brunswick, NJ 08901 USA
| | - Vyacheslav Dushenkov
- Hostos Community College, City University of New York, 500 Grand Concourse, Bronx, NY 10451 USA
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Mechanisms of antiviral action of plant antimicrobials against murine norovirus. Appl Environ Microbiol 2014; 80:4898-910. [PMID: 24907316 DOI: 10.1128/aem.00402-14] [Citation(s) in RCA: 45] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022] Open
Abstract
Numerous plant compounds have antibacterial or antiviral properties; however, limited research has been conducted with nonenveloped viruses. The efficacies of allspice oil, lemongrass oil, and citral were evaluated against the nonenveloped murine norovirus (MNV), a human norovirus surrogate. The antiviral mechanisms of action were also examined using an RNase I protection assay, a host cell binding assay, and transmission electron microscopy. All three antimicrobials produced significant reductions (P ≤ 0.05) in viral infectivity within 6 h of exposure (0.90 log10 to 1.88 log10). After 24 h, the reductions were 2.74, 3.00, and 3.41 log10 for lemongrass oil, citral, and allspice oil, respectively. The antiviral effect of allspice oil was both time and concentration dependent; the effects of lemongrass oil and citral were time dependent. Based on the RNase I assay, allspice oil appeared to act directly upon the viral capsid and RNA. The capsids enlarged from ≤ 35 nm to up to 75 nm following treatment. MNV adsorption to host cells was not significantly affected. Alternatively, the capsid remained intact following exposure to lemongrass oil and citral, which appeared to coat the capsid, causing nonspecific and nonproductive binding to host cells that did not lead to successful infection. Such contrasting effects between allspice oil and both lemongrass oil and citral suggest that though different plant compounds may yield similar reductions in virus infectivity, the mechanisms of inactivation may be highly varied and specific to the antimicrobial. This study demonstrates the antiviral properties of allspice oil, lemongrass oil, and citral against MNV and thus indicates their potential as natural food and surface sanitizers to control noroviruses.
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Alfajaro MM, Rho MC, Kim HJ, Park JG, Kim DS, Hosmillo M, Son KY, Lee JH, Park SI, Kang MI, Ryu YB, Park KH, Oh HM, Lee SW, Park SJ, Lee WS, Cho KO. Anti-rotavirus effects by combination therapy of stevioside and Sophora flavescens extract. Res Vet Sci 2014; 96:567-75. [PMID: 24704033 DOI: 10.1016/j.rvsc.2014.03.011] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2012] [Revised: 12/08/2013] [Accepted: 03/13/2014] [Indexed: 11/19/2022]
Abstract
Anti-rotaviral activities of Sophora flavescens extract (SFE) and stevioside (SV) from Stevia rebaudiana Bertoni either singly or in various combinations were examined in vitro and in vivo using a porcine rotavirus G5[P7] strain. Combination of SFE and SV inhibited in vitro virus replication more efficiently than each single treatment. In the piglet model, SV had no effect on rotavirus enteritis, whereas SFE improved but did not completely cure rotaviral enteritis. Interestingly, combination therapy of SFE and SV alleviated diarrhea, and markedly improved small intestinal lesion score and fecal virus shedding. Acute toxicity tests including the piglet lethal dose 50, and body weight, organ weight and pathological changes for the combination therapy did not show any adverse effect on the piglets. These preliminary data suggest that the combination therapy of SV and SFE is a potential curative medication for rotaviral diarrhea in pigs. Determination of the efficacy of this combination therapy in other species including humans needs to be addressed in the future.
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Affiliation(s)
- Mia Madel Alfajaro
- Laboratory of Veterinary Pathology, College of Veterinary Medicine, Chonnam National University, Gwangju 500-757, Republic of Korea
| | - Mun-Chual Rho
- Bioindustrial Process Reasearch Center and AI Control Material Research Center, Korea Research Institute of Bioscience and Biotechnology, Jeongeup 580-185, Republic of Korea
| | - Hyun-Jeong Kim
- Laboratory of Veterinary Pathology, College of Veterinary Medicine, Chonnam National University, Gwangju 500-757, Republic of Korea
| | - Jun-Gyu Park
- Laboratory of Veterinary Pathology, College of Veterinary Medicine, Chonnam National University, Gwangju 500-757, Republic of Korea
| | - Deok-Song Kim
- Laboratory of Veterinary Pathology, College of Veterinary Medicine, Chonnam National University, Gwangju 500-757, Republic of Korea
| | - Myra Hosmillo
- Laboratory of Veterinary Pathology, College of Veterinary Medicine, Chonnam National University, Gwangju 500-757, Republic of Korea
| | - Kyu-Yeol Son
- Laboratory of Veterinary Pathology, College of Veterinary Medicine, Chonnam National University, Gwangju 500-757, Republic of Korea
| | - Ju-Hwan Lee
- Chonnam National University Veterinary Teaching Hospital, Gwangju 500-757, Republic of Korea
| | - Sang-Ik Park
- Laboratory of Veterinary Pathology, College of Veterinary Medicine, Chonnam National University, Gwangju 500-757, Republic of Korea
| | - Mun-Il Kang
- Laboratory of Veterinary Pathology, College of Veterinary Medicine, Chonnam National University, Gwangju 500-757, Republic of Korea
| | - Young Bae Ryu
- Infection Control Material Research Center and AI Control Material Research Center, Korea Research Institute of Bioscience and Biotechnology, Jeongeup 580-185, Republic of Korea
| | - Ki Hun Park
- Division of Applied Life Science, EB-NCR, Institute of Agriculture and Life Science, Graduate School of Gyeongsang National University, Jinju 660-701, Republic of Korea
| | - Hyun-Mee Oh
- Bioindustrial Process Reasearch Center and AI Control Material Research Center, Korea Research Institute of Bioscience and Biotechnology, Jeongeup 580-185, Republic of Korea
| | - Seung Woong Lee
- Bioindustrial Process Reasearch Center and AI Control Material Research Center, Korea Research Institute of Bioscience and Biotechnology, Jeongeup 580-185, Republic of Korea
| | - Su-Jin Park
- Infection Control Material Research Center and AI Control Material Research Center, Korea Research Institute of Bioscience and Biotechnology, Jeongeup 580-185, Republic of Korea
| | - Woo Song Lee
- Infection Control Material Research Center and AI Control Material Research Center, Korea Research Institute of Bioscience and Biotechnology, Jeongeup 580-185, Republic of Korea.
| | - Kyoung-Oh Cho
- Laboratory of Veterinary Pathology, College of Veterinary Medicine, Chonnam National University, Gwangju 500-757, Republic of Korea.
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Ikuta K, Mizuta K, Suzutani T. Anti-influenza virus activity of two extracts of the blackcurrant (Ribes nigrum L.) from New Zealand and Poland. Fukushima J Med Sci 2014; 59:35-8. [PMID: 23842512 DOI: 10.5387/fms.59.35] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Abstract
We investigated the inhibitory effect of extracts of blackcurrant (Ribes nigrum L.) from New Zealand and Poland on 4 strains of influenza virus (IFV) by the inhibition of virus adsorption; pandemic flu from 2009-2010 (IFV-AH1pdm), Hong Kong flu (IFV-AH3), oseltamivir phosphate-resistant Russian flu (IFV-AH1tamr) and influenza virus type B (IFV-B). The inhibitory effect of the extracts of blackcurrant or blueberry on the infectivity of the virion were evaluated by the inhibition of virus adsorption on the cell surface (adsorption-inhibitory assay). Three percent solutions of the blackcurrant extracts from New Zealand and Poland were enough to disinfect more than half of IFV-AH1pdm and IFV-B, and 10% solutions from both regions disinfected all IFV strains completely. Our previous study showed that the antiviral effect of the blackcurrant differed according to viral species. Here we showed that although the antiviral effect of Blackcurrant was slightly different within viral strains from one species, the extract of Blackcurrant could disinfect all of 4 IFV strains we examined. The extracts of blackcurrant showed definite potential for use as a disinfectant and antiseptic agent to prevent IFV infection.
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Affiliation(s)
- Kazufumi Ikuta
- Department of Microbiology, Fukushima Medical University School of Medicine, Fukushima, Japan
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36
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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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37
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Lee JH, Bae SY, Oh M, Kim KH, Chung MS. Antiviral effects of mulberry (Morus alba) juice and its fractions on foodborne viral surrogates. Foodborne Pathog Dis 2013; 11:224-9. [PMID: 24350883 DOI: 10.1089/fpd.2013.1633] [Citation(s) in RCA: 30] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022] Open
Abstract
Norovirus infection is a major cause of nonbacterial foodborne outbreaks worldwide, but no specific treatments are available yet. In this study, we investigated the antiviral activity of mulberry (Morus alba, Ma) juice and its fractions on murine norovirus-1 (MNV-1) and feline calicivirus-F9 (FCV-F9) as human norovirus surrogates using cytopathic effect inhibition, plaque reduction, and RNA expression assays. In time-of-addition experiments, Ma juice was found to be effective in reducing the infectivity of MNV-1 and FCV-F9 in the pre- and co-treatments. The effective concentration for 50% reduction was approximately 0.005% juice (relative to 100% natural juice) and 0.25% juice for MNV-1 and FCV-F9, respectively. Ma juice at 0.1% exhibited about 60% reduction of the MNV-1 polymerase gene expression, confirming the inhibition of viral replication. In an attempt to identify active components with antiviral activities, Ma-F1 (<3 kDa) and Ma-F2 (>3 kDa) were examined to show that Ma-F2 was more effective than Ma-F1 in all modes, except for pre-virus treatment. Nevertheless, two major polyphenolic compounds of Ma juice, cyanidin-3-glucoside and cyanidin-3-rutinoside, showed antiviral activity in the co-treatment mode. Our results suggest that Ma juice and its fractions may inhibit internalization and replication of MNV-1, whereas it may influence adherence or internalization of FCV-F9 virions. Ma juice may prove useful in the prevention of foodborne viral infection.
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Affiliation(s)
- Ji-Hye Lee
- 1 Department of Biotechnology & Bioinformatics, Korea University , Sejong, Korea
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Li D, Baert L, Uyttendaele M. Inactivation of food-borne viruses using natural biochemical substances. Food Microbiol 2013; 35:1-9. [DOI: 10.1016/j.fm.2013.02.009] [Citation(s) in RCA: 51] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2012] [Revised: 02/14/2013] [Accepted: 02/16/2013] [Indexed: 01/29/2023]
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Elizaquível P, Azizkhani M, Aznar R, Sánchez G. The effect of essential oils on norovirus surrogates. Food Control 2013. [DOI: 10.1016/j.foodcont.2012.11.031] [Citation(s) in RCA: 35] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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Ikuta K, Hashimoto K, Kaneko H, Mori S, Ohashi K, Suzutani T. Anti-viral and anti-bacterial activities of an extract of blackcurrants (Ribes nigrum L.). Microbiol Immunol 2013; 56:805-9. [PMID: 22985050 DOI: 10.1111/j.1348-0421.2012.00510.x] [Citation(s) in RCA: 33] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
Abstract
The inhibitory effects of an extract of the blackcurrant (Ribes nigrum L.) against pathogens associated with oral, nasopharyngeal and upper respiratory infectious diseases; namely respiratory syncytial virus (RSV), influenza virus A and B (IFV-A and IFV-B), adenovirus (AdV), herpes simplex virus type 1, Haemophilus influenzae type B, Streptococcus pneumoniae and Streptococcus mutans, were investigated. Less than 1% concentration of extract of blackcurrant inhibited replication of RSV, IFV-A and -B and HSV-1 by over 50% and a 10% extract inhibited adsorption of these viruses onto the cell surface by over 95%. The effects on AdV were much less pronounced; the half minimal inhibitory concentration of AdV replication was 2.54 ± 0.26, and a 10% concentration of the extract inhibited AdV adsorption on the cell surface by 72.9 ± 3.4%. The antibacterial activities of the blackcurrant were evaluated based on its efficacy as a disinfectant. A 10% extract disinfected 99.8% of H. Influenzae type B and 78.9% of S. pneumoniae in 10 min, but had no demonstrable effect against S. mutans. The blackcurrant extract still showed antiviral and antibacterial activities after the pH had been made neutral with sodium hydroxide, suggesting that these activities are not the result of acidic reactions or of components precipitated at a neutral pH. These findings demonstrate the potential of blackcurrant extract as a functional food for oral care.
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Affiliation(s)
- Kazufumi Ikuta
- Department of Microbiology, Fukushima Medical University School of Medicine, Fukushima 960-1295, Japan
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Lipson SM, Ozen FS, Karthikeyan L, Gordon RE. Effect of pH on anti-rotavirus activity by comestible juices and proanthocyanidins in a cell-free assay system. FOOD AND ENVIRONMENTAL VIROLOGY 2012; 4:168-78. [PMID: 23412889 DOI: 10.1007/s12560-012-9086-9] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/19/2012] [Accepted: 08/30/2012] [Indexed: 05/25/2023]
Abstract
Cranberry (Vaccinium macrocarpon) and grape (Vitis labrusca) juices, and these species' secondary plant metabolites [i.e., proanthocyanidins (PACs)] possess antiviral activity. An understanding of the mechanism(s) responsible for these juices and their polyphenolic constituents' direct effect on enteric virus integrity, however, remains poorly defined. Using the rotavirus (RTV) as a model enteric virus system, the direct effect of manufacturer-supplied and commercially purchased juices [Ocean Spray Pure Cranberry 100 % Unsweetened Juice (CJ), Welch's 100 % Grape Juice (GJ), 100 % Concord (PG) and 100 % Niagara juices (NG)] and these species' cranberry (C-PACs) and grape PACs (G-PACs) was investigated. Loss of viral capsid integrity in cell-free suspension by juices and their PACs, and as a factor of pH, was identified by an antigen (RTV) capture enzyme-linked immunosorbent assay. At native and an artificially increased suspension at or near pH 7, loss of viral infectivity occurred after 5 min, in the order CJ > NG = GJ > PG, and PG > GJ = NG = CJ, respectively. Antiviral activity of CJ was inversely related to pH. Grape, but not cranberry PACs, displayed a comparatively greater anti-RTV activity at a suspension pH of 6.7. Anti-RTV activity of C-PACs was regained upon reduction of RTV-cranberry PAC suspensions to pH 4. An alteration or modification of Type A PAC (of V. macrocarpon) structural integrity at or near physiologic pH is suggested to have impacted on this molecule's antivirus activity. Type B PACs (of V. labrusca) were refractive to alternations of pH. Significantly, findings from pure system RTV-PAC testing paralleled and in turn, supported those RTV-juice antiviral studies. Electron microscopy showed an enshroudment by PACs of RTV particles, suggesting a blockage of viral antigenic binding determinants. The implications of our work are significant, especially in the interpretation of PAC (and PAC-containing food)-RTV interactions in the differing [pH] conditions of the gastrointestinal tract.
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Affiliation(s)
- Steven M Lipson
- Department of Biology and Health Promotion, St. Francis College, 180 Remsen Street, Brooklyn Heights, NY 11201, USA.
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Oh M, Bae SY, Lee JH, Cho KJ, Kim KH, Chung MS. Antiviral effects of black raspberry (Rubus coreanus) juice on foodborne viral surrogates. Foodborne Pathog Dis 2012; 9:915-21. [PMID: 22924523 DOI: 10.1089/fpd.2012.1174] [Citation(s) in RCA: 31] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
Abstract Human noroviruses (HuNoVs) are the most frequent cause of foodborne viral gastroenteritis, causing approximately 90% of non-bacterial epidemic outbreaks around the world. Rubus coreanus is a species of black raspberry, rich in polyphenols, and known to exert anti-inflammatory, antibacterial, and antiviral activities. In the present study, the antiviral effects of R. coreanus juice (black raspberry [BRB] juice) on foodborne viral surrogates, murine norovirus-1 (MNV-1) and feline calicivirus-F9 (FCV-F9), were compared with those of cranberry juice, grape juice, and orange juice by plaque assays. Among the four juices tested, BRB juice was the most effective in reducing plaques formation of these viruses. Time-of-addition experiments were designed to determine the mechanism of action of BRB juice on MNV-1 and FCV-F9. The maximal antiviral effect of BRB juice against MNV-1 was observed when it was added to RAW 264.7 cells (mouse leukemic monocyte macrophage cell line) simultaneously with the virus. Pre-treatment of either Crandell Reese Feline Kidney cells or FCV-F9 with BRB juice exhibited significant antiviral activity. The inhibition of viral infection by BRB juice on MNV-1 and FCV-F9 probably occurs at the internalization of virions into the cell or the attachment of the viral surface protein to the cellular receptor. The polyphenol components in BRB (i.e., gallic acid and quercetin), however, did not show any activity against these viruses. Our data provide great promise for the utilization of BRB in the prevention of foodborne viral outbreaks.
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Affiliation(s)
- Mi Oh
- Department of Food and Nutrition, Duksung Women's University, Seoul, Korea
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Knipping K, Garssen J, van't Land B. An evaluation of the inhibitory effects against rotavirus infection of edible plant extracts. Virol J 2012; 9:137. [PMID: 22834653 PMCID: PMC3439294 DOI: 10.1186/1743-422x-9-137] [Citation(s) in RCA: 62] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2012] [Accepted: 07/04/2012] [Indexed: 12/18/2022] Open
Abstract
Background Rotaviruses are the single most important cause of severe diarrhea in young children worldwide. The developments of specific, potent and accessible antiviral treatments that restrain rotavirus infection remain important to control rotavirus disease. Methods 150 plant extracts with nutritional applications were screened in vitro on MA-104 cells for their antiviral activity against rhesus rotavirus (RRV). One extract (Aspalathus linearis (Burm.f.) R.Dahlgren) was also tested for its effect on the loss of transepithelial resistance (TER) of Caco-2 cells caused by simian rotavirus (SA-11) infection. Results Aqueous extracts of Nelumbo nucifera Gaertn. fruit, Urtica dioica L. root, Aspalathus linearis (Burm.f.) R.Dahlgren leaves, Glycyrrhiza glabra L. root and Olea europaea L. leaves were found to have strong significant antiviral activity with a 50% inhibitory concentration (IC50) < 300 μg/ml. The pure compound 18ß-glycyrrhetinic acid from Glycyrrhiza glabra was found to have the strongest antiviral activity (IC50 46 μM), followed by luteolin and vitexin from Aspalathus linearis (IC50 respectively 116 μM and 129 μM) and apigenin-7-O-glucoside from Melissa officinalis (IC50 150 μM). A combination of Glycyrrhiza glabra L. + Nelumbo nucifera Gaertn. and Urtica dioica L. + Nelumbo nucifera Gaertn. showed synergy in their anti-viral activities. Aspalathus linearis (Burm.f.) R.Dahlgren showed no positive effect on the maintenance of the TER. Conclusions These results indicate that nutritional intervention with extracts of Nelumbo nucifera Gaertn., Aspalathus linearis (Burm.f.) R.Dahlgren, Urtica dioica L., Glycyrrhiza glabra L. and Olea europaea L. might be useful in the treatment of diarrhea caused by rotavirus infection.
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Affiliation(s)
- Karen Knipping
- Danone Research, Centre for Specialised Nutrition, PO Box 7005, 6700 CA, Wageningen, The Netherlands.
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Feghali K, Feldman M, La VD, Santos J, Grenier D. Cranberry proanthocyanidins: natural weapons against periodontal diseases. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2012; 60:5728-5735. [PMID: 22082264 DOI: 10.1021/jf203304v] [Citation(s) in RCA: 61] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/31/2023]
Abstract
Cranberry ( Vaccinium macrocarpon ) is known to have a beneficial effect on several aspects of human health. Proanthocyanidins (PACs), the most abundant flavonoids extracted from red cranberry fruits, have been reported to possess antimicrobial, antiadhesion, antioxidant, and anti-inflammatory properties. Recent in vitro studies have shown that cranberry PACs may be potential therapeutic agents for the prevention and management of periodontitis, an inflammatory disease of bacterial origin affecting tooth-supporting tissues. After presenting an overview of cranberry phytochemicals and their potential for human health benefits, this review will focus on the effects of cranberry PACs on connective tissue breakdown and alveolar bone destruction, as well as their potential for controlling periodontal diseases. Possible mechanisms of action of cranberry PACs include the inhibition of (i) bacterial and host-derived proteolytic enzymes, (ii) host inflammatory response, and (iii) osteoclast differentiation and activity. Given that cranberry PACs have shown interesting properties in in vitro studies, clinical trials are warranted to better evaluate the potential of these molecules for controlling periodontal diseases.
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Affiliation(s)
- Karine Feghali
- Groupe de Recherche en Écologie Buccale, Faculté de Médecine Dentaire, Université Laval , Quebec City, QC, Canada G1V 0A6
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Shmuely H, Ofek I, Weiss EI, Rones Z, Houri-Haddad Y. Cranberry components for the therapy of infectious disease. Curr Opin Biotechnol 2011; 23:148-52. [PMID: 22088310 DOI: 10.1016/j.copbio.2011.10.009] [Citation(s) in RCA: 38] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2011] [Revised: 10/14/2011] [Accepted: 10/24/2011] [Indexed: 12/22/2022]
Abstract
Summary of the in vitro data support a beneficial effect of cranberry or its proanthocyanin constituents by blocking adhesion to and biofilm formation on target tissues of pathogens. In vivo data partially support these beneficial effects. Consumption of various cranberry products benefited young and elderly females in preventing urinary tract infections, and in conjunction with antibiotic treatment in eradicating Helicobacter pylori infections in women. Mouthwash supplemented with an isolated cranberry derivative reduced significantly the caryogenic mutans streptococci. None of the mice infected intranasal with lethal dose of influenza virus and treated with cranberry fraction died after two weeks. Further studies should focus on the active cranberry component as supplement for food and other products especially where whole juice or powder cannot be used.
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Affiliation(s)
- Haim Shmuely
- Department of Internal Medicine C, Rabin Medical Center, Beilinson Hospital, Petah Tikva, Israel
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Su X, Sangster MY, D'Souza DH. Time-dependent effects of pomegranate juice and pomegranate polyphenols on foodborne viral reduction. Foodborne Pathog Dis 2011; 8:1177-83. [PMID: 21777065 DOI: 10.1089/fpd.2011.0873] [Citation(s) in RCA: 46] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Abstract
Pomegranate juice (PJ) and pomegranate polyphenolic extracts (PP) have antiviral effects against HIV-1, influenza, herpes, and poxviruses, and we recently demonstrated their effect against human noroviral surrogates. In the present study, the time-dependent effects of two commercial brands of PJ and PP at two concentrations (2 and 4 mg/mL) on the infectivity of foodborne viral surrogates (feline calicivirus FCV-F9, murine norovirus MNV-1, and MS2 bacteriophage) at room temperature for up to 1 h were evaluated. Each virus at ∼5 log(10) plaque-forming units (PFU)/mL was mixed with equal volumes of PJ, or PP at 4 or 8 mg/mL, and incubated for 0, 10, 20, 30, 45, and 60 min at room temperature. Viral titers after each treatment were determined by standardized plaque assays and compared with untreated controls. Virus titer reduction by PJ and PP was found to be a rather rapid process, with ≥50% of titer reduction occurring within the first 20 min of treatment for all three tested viruses. Within the first 20 min, titer reductions of 3.12, 0.79, and 0.23 log(10) PFU/mL for FCV-F9, MNV-1, and MS2, respectively, were obtained using PJ. FCV-F9, MNV-1, and MS2 titers were reduced by 4.02, 0.68, and 0.18 log(10) PFU/mL with 2 mg/mL PP and 5.09, 1.14, and 0.19 log(10) PFU/mL with 4 mg/mL PP, respectively, after 20 min. The mechanism of viral reduction by PJ and PP needs to be elucidated and clinical trials should be undertaken before recommending for therapeutic or preventive purposes.
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Affiliation(s)
- Xiaowei Su
- Department of Food Science and Technology, The University of Tennessee-Knoxville, Knoxville, Tennessee 37996-4591, USA
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Wei Y, Sardar MR, Sutherland IA, Fisher D. Separation of Delphinidin-3-O-sambubioside, Cyanidin-3-O-sambubioside and p-Coumaric Acid from Cranberry by CCC Followed by prep-HPLC Using Robotic CCC Solvent System Selection. Chromatographia 2011. [DOI: 10.1007/s10337-011-2076-5] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
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Kresty LA, Howell AB, Baird M. Cranberry proanthocyanidins mediate growth arrest of lung cancer cells through modulation of gene expression and rapid induction of apoptosis. Molecules 2011; 16:2375-90. [PMID: 21399574 PMCID: PMC6259838 DOI: 10.3390/molecules16032375] [Citation(s) in RCA: 36] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2011] [Revised: 03/08/2011] [Accepted: 03/10/2011] [Indexed: 12/21/2022] Open
Abstract
Cranberries are rich in bioactive constituents purported to enhance immune function, improve urinary tract health, reduce cardiovascular disease and more recently, inhibit cancer in preclinical models. However, identification of the cranberry constituents with the strongest cancer inhibitory potential and the mechanism associated with cancer inhibition by cranberries remains to be elucidated. This study investigated the ability of a proanthocyanidin rich cranberry fraction (PAC) to alter gene expression, induce apoptosis and impact the cell cycle machinery of human NCI-H460 lung cancer cells. Lung cancer is the leading cause of cancer-related deaths in the United States and five year survival rates remain poor at 16%. Thus, assessing potential inhibitors of lung cancer-linked signaling pathways is an active area of investigation.
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Affiliation(s)
- Laura A. Kresty
- Department of Epidemiology and Public Health, University of Miami Miller School of Medicine and Sylvester Cancer Center, Miami, Florida 33136, USA
| | - Amy B. Howell
- Marucci Center for Blueberry Cranberry Research, Rutgers University, Chatsworth, New Jersey 08019, USA; E-Mail:
| | - Maureen Baird
- Department of Pathology, The Ohio State University, Columbus, Ohio 43240, USA; E-Mail:
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Lin B, Johnson BJ, Rubin RA, Malanoski AP, Ligler FS. Iron chelation by cranberry juice and its impact on Escherichia coli growth. Biofactors 2011; 37:121-30. [PMID: 20806417 DOI: 10.1002/biof.110] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/11/2010] [Accepted: 06/10/2010] [Indexed: 11/07/2022]
Abstract
The various health benefits of Vaccinium macrocarpon (cranberry) are well documented and have been attributed mainly to its antioxidant capacity and anti-adhesive activity. Several different mechanisms have been proposed to explain the possible role of cranberries, cranberry juice, and cranberry extracts in inhibiting bacterial growth. These mechanisms of action (i.e., inhibition of the microbial growth) have not been thoroughly studied. Here, we took advantage of current advances in microarray technology and used GeneChip® Escherichia coli genome 2.0 arrays to gain insight into the molecular mechanisms involved in the impact of cranberry juice on the properties of E. coli growth. The inclusion of cranberry juice in bacterial growth media was found to significantly impact the doubling time of E. coli. The gene expression results revealed altered expression of genes associated with iron transport and essential metabolic enzymes as well as with adenosine triphosphate (ATP) synthesis and fumarate hydratase in these cultures. The altered expression of genes associated with iron transport was consistent with the strong iron chelating capability of proanthocyanidins, a major constituent of cranberry juice. The iron depletion effect was confirmed by adding exogenous iron to the growth media. This addition partially reversed the inhibitory effect on bacterial growth observed in the presence of cranberry juice/extracts.
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Affiliation(s)
- Baochuan Lin
- Center for Bio/Molecular Science and Engineering, U.S. Naval Research Laboratory, Washington DC, USA.
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Lipson SM, Gordon RE, Ozen FS, Karthikeyan L, Kirov N, Stotzky G. Cranberry and Grape Juices Affect Tight Junction Function and Structural Integrity of Rotavirus-Infected Monkey Kidney Epithelial Cell Monolayers. FOOD AND ENVIRONMENTAL VIROLOGY 2011; 3:46-54. [PMID: 35255646 DOI: 10.1007/s12560-011-9055-8] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/26/2010] [Accepted: 02/22/2011] [Indexed: 06/14/2023]
Abstract
Cranberry juice (CJ) and grape juice (GJ) from Vaccinium macrocarpon and Vitis labrusca, respectively, and purified proanthocyanidins (PACs) from these species are recognized to possess antiviral activity. The effects of CJ and GJ on tight junction (TJ) structure and function among rotavirus-infected monkey kidney epithelial cells (MA-104) in monolayer cultures were evaluated. Antiviral activity by cranberry PACs of rotavirus in cell-free suspension was investigated by a rotavirus antigen [i.e., viral capsid protein 6 (VP6)] capture enzyme-linked immunosorbent assay (ELISA) and by transmission electron microscopy (TEM). MA-104 monolayers were treated with CJ, GJ, or cranberry juice cocktail (CJC) drink before inoculation with rotavirus. TJ function and structural integrity were measured by changes in transepithelial electrical resistance (TEER) and by reduction of signal intensity of the TJ α-claudin 1 by immunofluorescence. The inhibitory activity of CJ and GJ on viral RNA synthesis, as a function of viral concentration, was determined by reverse transcription polymerase chain reaction (rtPCR). After 4 days, virus-infected monolayers pretreated with GJ (Concord and Niagara GJs) had TEER readings similar to uninfected controls. CJ and CJC also had a significant protective effect (P < 0.05) on TJ function, but to a lesser extent than GJ. Disorganization of TJ integrity commenced at 24- to 36-h post-viral inoculation, but this effect was reduced by pretreatment with CJ or GP of monolayer cultures. TEM showed aggregation of rotavirus by cranberry PACs. The destruction of rotavirus capsid proteins VP6, in cell-free suspension was inversely related to the concentration of cranberry PACs (C-PAC). Loss of rotavirus RNA by CJ or GJ was inversely related to viral infectivity titers. CJ, GJ, or PAC-associated antiviral activity has been linked to modifications in cellular physiologic events and to physical factors (e.g., PAC-mediated viral aggregation) that probably compromise viral infectivity. Multiple cell physiological and physical events must be considered when determining the mechanisms associated with the antiviral (i.e., rotavirus) activity of CJ, GJ, and PACs.
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Affiliation(s)
- Steven M Lipson
- Department of Biology, St. Francis College, 180 Remsen Street, Brooklyn Heights, NY, 11201, USA.
| | | | - Fatma S Ozen
- Department of Biology, St. Francis College, 180 Remsen Street, Brooklyn Heights, NY, 11201, USA
- School of Veterinary Medicine, University of Selcuk, Konya, Turkey
| | - Laina Karthikeyan
- New York College of Technology, City University of New York, Brooklyn, NY, USA
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