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Bai GH, Tsai MC, Lin SC, Hsu YH, Chen SY. Unraveling the interplay between norovirus infection, gut microbiota, and novel antiviral approaches: a comprehensive review. Front Microbiol 2023; 14:1212582. [PMID: 37485533 PMCID: PMC10359435 DOI: 10.3389/fmicb.2023.1212582] [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: 04/26/2023] [Accepted: 06/15/2023] [Indexed: 07/25/2023] Open
Abstract
Norovirus infection is a leading cause of acute gastroenteritis worldwide and can also cause harmful chronic infections in individuals with weakened immune systems. The role of the gut microbiota in the interactions between the host and noroviruses has been extensively studied. While most past studies were conducted in vitro or focused on murine noroviruses, recent research has expanded to human noroviruses using in vivo or ex vivo human intestinal enteroids culture studies. The gut microbiota has been observed to have both promoting and inhibiting effects on human noroviruses. Understanding the interaction between noroviruses and the gut microbiota or probiotics is crucial for studying the pathogenesis of norovirus infection and its potential implications, including probiotics and vaccines for infection control. Recently, several clinical trials of probiotics and norovirus vaccines have also been published. Therefore, in this review, we discuss the current understanding and recent updates on the interactions between noroviruses and gut microbiota, including the impact of norovirus on the microbiota profile, pro-viral and antiviral effects of microbiota on norovirus infection, the use of probiotics for treating norovirus infections, and human norovirus vaccine development.
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Affiliation(s)
- Geng-Hao Bai
- Department of Internal Medicine, National Taiwan University Hospital, College of Medicine, National Taiwan University, Taipei, Taiwan
| | - Meng-Chen Tsai
- Department of General Medicine, Taipei Medical University Hospital, Taipei, Taiwan
| | - Sheng-Chieh Lin
- Department of Pediatrics, School of Medicine, College of Medicine, Taipei Medical University, Taipei, Taiwan
- Department of Pediatrics, Division of Allergy, Asthma and Immunology, Shuang Ho Hospital, New Taipei, Taiwan
| | - Yi-Hsiang Hsu
- Beth Israel Deaconess Medical Center and Harvard Medical School, Boston, MA, United States
- Broad Institute of MIT and Harvard, Cambridge, MA, United States
| | - Shih-Yen Chen
- Department of Pediatrics, School of Medicine, College of Medicine, Taipei Medical University, Taipei, Taiwan
- Department of Pediatrics, Division of Pediatric Gastroenterology and Hepatology, Shuang Ho Hospital, New Taipei, Taiwan
- TMU Research Center for Digestive Medicine, Taipei Medical University, Taipei, Taiwan
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2
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Yang H, Ock SA, Lee S, Park MR, Kim S, No J, Oh KB, Wi H, Jung SK, Jo YJ, Lee BR, Lee M, Byun SJ. Mortality, growth, and egg production do not differ between nontransgenic and transgenic female chickens with ubiquitous expression of the 3D8 single chain variable fragment gene. Poult Sci 2023; 102:102802. [PMID: 37307631 PMCID: PMC10276288 DOI: 10.1016/j.psj.2023.102802] [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: 02/22/2023] [Revised: 05/18/2023] [Accepted: 05/18/2023] [Indexed: 06/14/2023] Open
Abstract
To date, many transgenic (TG) chicken lines have been developed, but few studies have performed a comparative analysis of their mortality, growth, and egg productivity. Previously, we reported the production of 3D8 scFv TG chickens showing antiviral activity. Here, we performed a biometric characterization of TG offspring female chickens. We selected 40 TG and 40 non-TG offspring female chicks among newly hatched chicks produced via artificial insemination of semen from heterotypic 3D8 scFv males into wild-type female chickens. Serum was collected at 14 wk of age, and serum concentrations of biochemical parameters, cytokines, and sex hormones were analyzed. Mortality and growth were monitored daily from 1 to 34 wk, egg productivity was monitored daily from 20 to 34 wk, and the weekly average values were used for analyses. Some serum parameters and cytokines were significantly different between non-TG and TG offspring female chickens. The levels of phosphorus (PHOS), total protein (TP), albumin (ALB), globulin (GLOB), and alanine aminotransferase (ALT) were significantly higher in non-TG chickens (P < 0.05). The levels of alkaline phosphatase (ALP) and gamma-glutamyltransferase (GGT) were significantly higher in TG chickens (P < 0.05). The levels of insulin growth factor-1 (IGF-1), interferon-gamma (INF-γ), interleukin-4 (IL-4), and IL-8 were significantly lower in TG chickens (P < 0.05). Despite these differences, the mortality rates, body weight, egg production rates, and egg weight were not significantly different in the experimental groups of non-TG and TG offspring female chickens (P > 0.05). In conclusion, ubiquitous expression of the 3D8 scFv gene in TG offspring female chickens does not affect some biometric characteristics, including mortality, growth, and egg productivity.
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Affiliation(s)
- Hyeon Yang
- Animal Biotechnology Division, National Institute of Animal Science, Rural Development Administration, Wanju-gun 55365, Republic of Korea
| | - Sun A Ock
- Animal Biotechnology Division, National Institute of Animal Science, Rural Development Administration, Wanju-gun 55365, Republic of Korea
| | - Seunghoon Lee
- Animal Biotechnology Division, National Institute of Animal Science, Rural Development Administration, Wanju-gun 55365, Republic of Korea
| | - Mi-Ryung Park
- Animal Biotechnology Division, National Institute of Animal Science, Rural Development Administration, Wanju-gun 55365, Republic of Korea
| | - Seokho Kim
- Animal Biotechnology Division, National Institute of Animal Science, Rural Development Administration, Wanju-gun 55365, Republic of Korea
| | - Jingu No
- Animal Biotechnology Division, National Institute of Animal Science, Rural Development Administration, Wanju-gun 55365, Republic of Korea
| | - Keon Bong Oh
- Animal Biotechnology Division, National Institute of Animal Science, Rural Development Administration, Wanju-gun 55365, Republic of Korea
| | - Hayeon Wi
- Animal Biotechnology Division, National Institute of Animal Science, Rural Development Administration, Wanju-gun 55365, Republic of Korea
| | - Sun Keun Jung
- Animal Biotechnology Division, National Institute of Animal Science, Rural Development Administration, Wanju-gun 55365, Republic of Korea
| | - Yong Jin Jo
- Animal Biotechnology Division, National Institute of Animal Science, Rural Development Administration, Wanju-gun 55365, Republic of Korea
| | - Bo Ram Lee
- Animal Biotechnology Division, National Institute of Animal Science, Rural Development Administration, Wanju-gun 55365, Republic of Korea
| | - Minguk Lee
- Animal Biotechnology Division, National Institute of Animal Science, Rural Development Administration, Wanju-gun 55365, Republic of Korea
| | - Sung June Byun
- Animal Biotechnology Division, National Institute of Animal Science, Rural Development Administration, Wanju-gun 55365, Republic of Korea.
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3
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Zhou M, Abid M, Cao S, Zhu S. Progress of Research into Novel Drugs and Potential Drug Targets against Porcine Pseudorabies Virus. Viruses 2022; 14:v14081753. [PMID: 36016377 PMCID: PMC9416328 DOI: 10.3390/v14081753] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2022] [Revised: 08/06/2022] [Accepted: 08/07/2022] [Indexed: 11/16/2022] Open
Abstract
Pseudorabies virus (PRV) is the causative agent of pseudorabies (PR), infecting most mammals and some birds. It has been prevalent around the world and caused huge economic losses to the swine industry since its discovery. At present, the prevention of PRV is mainly through vaccination; there are few specific antivirals against PRV, but it is possible to treat PRV infection effectively with drugs. In recent years, some drugs have been reported to treat PR; however, the variety of anti-pseudorabies drugs is limited, and the underlying mechanism of the antiviral effect of some drugs is unclear. Therefore, it is necessary to explore new drug targets for PRV and develop economic and efficient drug resources for prevention and control of PRV. This review will focus on the research progress in drugs and drug targets against PRV in recent years, and discuss the future research prospects of anti-PRV drugs.
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Affiliation(s)
- Mo Zhou
- Jiangsu Key Laboratory for High-Tech Research and Development of Veterinary Biopharmaceuticals, Jiangsu Agri-Animal Husbandry Vocational College, Taizhou 225306, China
| | - Muhammad Abid
- Viral Oncogenesis Group, The Pirbright Institute, Ash Road Pirbright, Woking, Surrey GU24 0NF, UK
| | - Shinuo Cao
- Jiangsu Key Laboratory for High-Tech Research and Development of Veterinary Biopharmaceuticals, Jiangsu Agri-Animal Husbandry Vocational College, Taizhou 225306, China
- Correspondence: (S.C.); (S.Z.)
| | - Shanyuan Zhu
- Jiangsu Key Laboratory for High-Tech Research and Development of Veterinary Biopharmaceuticals, Jiangsu Agri-Animal Husbandry Vocational College, Taizhou 225306, China
- Correspondence: (S.C.); (S.Z.)
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4
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A Novel Approach of Antiviral Drugs Targeting Viral Genomes. Microorganisms 2022; 10:microorganisms10081552. [PMID: 36013970 PMCID: PMC9414836 DOI: 10.3390/microorganisms10081552] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/03/2022] [Revised: 07/25/2022] [Accepted: 07/29/2022] [Indexed: 11/16/2022] Open
Abstract
Outbreaks of viral diseases, which cause morbidity and mortality in animals and humans, are increasing annually worldwide. Vaccines, antiviral drugs, and antibody therapeutics are the most effective tools for combating viral infection. The ongoing coronavirus disease 2019 pandemic, in particular, raises an urgent need for the development of rapid and broad-spectrum therapeutics. Current antiviral drugs and antiviral antibodies, which are mostly specific at protein levels, have encountered difficulties because the rapid evolution of mutant viral strains resulted in drug resistance. Therefore, degrading viral genomes is considered a novel approach for developing antiviral drugs. The current article highlights all potent candidates that exhibit antiviral activity by digesting viral genomes such as RNases, RNA interference, interferon-stimulated genes 20, and CRISPR/Cas systems. Besides that, we introduce a potential single-chain variable fragment (scFv) that presents antiviral activity against various DNA and RNA viruses due to its unique nucleic acid hydrolyzing characteristic, promoting it as a promising candidate for broad-spectrum antiviral therapeutics.
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Sharp JH, Clements K, Diggens M, McDonald JE, Malham SK, Jones DL. E. coli Is a Poor End-Product Criterion for Assessing the General Microbial Risk Posed From Consuming Norovirus Contaminated Shellfish. Front Microbiol 2021; 12:608888. [PMID: 33679634 PMCID: PMC7933002 DOI: 10.3389/fmicb.2021.608888] [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: 09/21/2020] [Accepted: 01/18/2021] [Indexed: 11/13/2022] Open
Abstract
The fecal indicator organism (FIO) Escherichia coli is frequently used as a general indicator of sewage contamination and for evaluating the success of shellfish cleaning (depuration) processes. To evaluate the robustness of this approach, the accumulation, retention, and depuration of non-pathogenic E. coli, pathogenic E. coli O157:H7 and norovirus GII (NoV GII) RNA were evaluated using a combination of culture-based (E. coli) and molecular methods (E. coli, NoV GII) after exposure of mussels (Mytilus edulis) to water contaminated with human feces. We simulated water contamination after a point-source release from a combined sewer overflow (CSO) where untreated wastewater is released directly into the coastal zone. All three microbiological indicators accumulated rapidly in the mussels, reaching close to maximum concentration within 3 h of exposure, demonstrating that short CSO discharges pose an immediate threat to shellfish harvesting areas. Depuration (72 h) in clean water proved partially successful at removing both pathogenic and non-pathogenic E. coli from shellfish tissue, but failed to eradicate NoV GII RNA. We conclude that current EU standards for evaluating microbiological risk in shellfish are inadequate for protecting consumers against exposure to human norovirus GII found in polluted marine waters.
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Affiliation(s)
- Jasmine H Sharp
- School of Ocean Sciences, Bangor University, Bangor, United Kingdom
| | - Katie Clements
- School of Ocean Sciences, Bangor University, Bangor, United Kingdom.,School of Natural Sciences, Bangor University, Bangor, United Kingdom
| | - Mallory Diggens
- School of Natural Sciences, Bangor University, Bangor, United Kingdom
| | - James E McDonald
- School of Natural Sciences, Bangor University, Bangor, United Kingdom
| | - Shelagh K Malham
- School of Ocean Sciences, Bangor University, Bangor, United Kingdom
| | - Davey L Jones
- School of Natural Sciences, Bangor University, Bangor, United Kingdom.,UWA School of Agriculture and Environment, University of Western Australia, Perth, WA, Australia
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6
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Lopez-Santamarina A, Lamas A, del Carmen Mondragón A, Cardelle-Cobas A, Regal P, Rodriguez-Avila JA, Miranda JM, Franco CM, Cepeda A. Probiotic Effects against Virus Infections: New Weapons for an Old War. Foods 2021; 10:foods10010130. [PMID: 33435315 PMCID: PMC7827890 DOI: 10.3390/foods10010130] [Citation(s) in RCA: 25] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2020] [Revised: 01/05/2021] [Accepted: 01/07/2021] [Indexed: 12/19/2022] Open
Abstract
This review aimed to gather the available literature investigating the effects of probiotics against the most common viral infections using in vitro trials in cell lines and in vivo clinical trials in both experimental animals and humans. Probiotics were employed to prevent and reduce symptoms of infections caused by common viruses, especially respiratory tract viruses, but also for viral digestive infections (such as rotavirus, coronavirus, or norovirus) and other viral infections (such as viruses that cause hepatitis, human papillomavirus, human immunodeficiency virus, and herpes simplex virus). Different probiotics have been studied to see their possible effect against the abovementioned viruses, among which different Lactobacillus species, Bifidobacterium, Clostridium, Enterococcus, and Streptococcus can be highlighted. In many cases, mixtures of various probiotic strains were used. Although the results obtained did not show similar results, in most cases, probiotic supplementation improved both barrier and biochemical immune responses, decreased susceptibility to viral infections, and enhanced the effects of concomitant vaccines. Works collected in this review show a beneficial effect of probiotics in the prevention and treatment of different viral infections. We found interesting results related to the prevention of viral infections, reduction of the duration of diseases, and decrease of symptoms.
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Affiliation(s)
- Aroa Lopez-Santamarina
- Laboratorio de Higiene Inspección y Control de Alimentos, Departamento de Química Analítica, Nutrición y Bromatología, Universidad de Santiago de Compostela, 27002 Lugo, Spain; (A.L.-S.); (A.L.); (A.d.C.M.); (A.C.-C.); (P.R.); (C.M.F.); (A.C)
| | - Alexandre Lamas
- Laboratorio de Higiene Inspección y Control de Alimentos, Departamento de Química Analítica, Nutrición y Bromatología, Universidad de Santiago de Compostela, 27002 Lugo, Spain; (A.L.-S.); (A.L.); (A.d.C.M.); (A.C.-C.); (P.R.); (C.M.F.); (A.C)
| | - Alicia del Carmen Mondragón
- Laboratorio de Higiene Inspección y Control de Alimentos, Departamento de Química Analítica, Nutrición y Bromatología, Universidad de Santiago de Compostela, 27002 Lugo, Spain; (A.L.-S.); (A.L.); (A.d.C.M.); (A.C.-C.); (P.R.); (C.M.F.); (A.C)
| | - Alejandra Cardelle-Cobas
- Laboratorio de Higiene Inspección y Control de Alimentos, Departamento de Química Analítica, Nutrición y Bromatología, Universidad de Santiago de Compostela, 27002 Lugo, Spain; (A.L.-S.); (A.L.); (A.d.C.M.); (A.C.-C.); (P.R.); (C.M.F.); (A.C)
| | - Patricia Regal
- Laboratorio de Higiene Inspección y Control de Alimentos, Departamento de Química Analítica, Nutrición y Bromatología, Universidad de Santiago de Compostela, 27002 Lugo, Spain; (A.L.-S.); (A.L.); (A.d.C.M.); (A.C.-C.); (P.R.); (C.M.F.); (A.C)
| | - José Antonio Rodriguez-Avila
- Área Académica de Química, Instituto de Ciencias Básicas e Ingeniería, Universidad Autónoma del Estado de Hidalgo, Carretera Pachuca-Tulancingo Km. 4.5, Pachuca 42076, Hidalgo, Mexico;
| | - José Manuel Miranda
- Laboratorio de Higiene Inspección y Control de Alimentos, Departamento de Química Analítica, Nutrición y Bromatología, Universidad de Santiago de Compostela, 27002 Lugo, Spain; (A.L.-S.); (A.L.); (A.d.C.M.); (A.C.-C.); (P.R.); (C.M.F.); (A.C)
- Correspondence:
| | - Carlos Manuel Franco
- Laboratorio de Higiene Inspección y Control de Alimentos, Departamento de Química Analítica, Nutrición y Bromatología, Universidad de Santiago de Compostela, 27002 Lugo, Spain; (A.L.-S.); (A.L.); (A.d.C.M.); (A.C.-C.); (P.R.); (C.M.F.); (A.C)
| | - Alberto Cepeda
- Laboratorio de Higiene Inspección y Control de Alimentos, Departamento de Química Analítica, Nutrición y Bromatología, Universidad de Santiago de Compostela, 27002 Lugo, Spain; (A.L.-S.); (A.L.); (A.d.C.M.); (A.C.-C.); (P.R.); (C.M.F.); (A.C)
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7
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Sureshkumar S, Jung SK, Kim D, Oh KB, Yang H, Lee HC, Jo YJ, Lee HS, Lee S, Byun SJ. Administration of L. salivarius expressing 3D8 scFv as a feed additive improved the growth performance, immune homeostasis, and gut microbiota of chickens. Anim Sci J 2020; 91:e13399. [PMID: 32512648 DOI: 10.1111/asj.13399] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/22/2020] [Revised: 04/02/2020] [Accepted: 04/24/2020] [Indexed: 12/24/2022]
Abstract
Probiotics have been defined as live microorganisms that are administered in an appropriate amount to provide health benefits to the host animal. In this study, we investigated the effect of L. salivarius DJ-sa-01 secreting the 3D8 single-chain variable fragment (3D8 scFv) on the growth performance, cytokine secretion, and intestinal microbial flora of chickens. The experiment was divided into the control group and L. salivarius expressing 3D8 scFv experimental group. Chicken was fed 109 colony-forming units (CFUs) of wild-type (WT) L. salivarius or 3D8 scFv-secreting L. salivarius daily for 35 days. The administration of L. salivarius expressing 3D8 scFv significantly improved the body weight of chickens compared with the administration of WT L. salivarius. A 16S ribosomal RNA metagenomic analysis showed that Firmicutes, Proteobacteria, Actinobacteria, and Bacteroidetes were the dominant phyla in both experimental groups. At the genus level, Lactobacillus was more abundant (22.82%) in the L. salivarius/3D8 group compared with the WT L. salivarius group. The serum levels of cytokines, such as IL-8, TNF-α, IL-1β, IFN-γ, IL-4, and IGF1, were significantly reduced in the L. salivarius/3D8-treated chickens. In summary, our results suggest that L. salivarius expressing 3D8 scFv could be considered a feed additive for improving the growth performance, immune function, and disease resistance of poultry.
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Affiliation(s)
- Shanmugam Sureshkumar
- Animal Biotechnology Division, National Institute of Animal Science, Rural Development Administration, Wanju-gun, Republic of Korea.,Department of Animal Resource and Science, Dankook University, Cheonan, Republic of Korea
| | - Sun Keun Jung
- Animal Biotechnology Division, National Institute of Animal Science, Rural Development Administration, Wanju-gun, Republic of Korea
| | - Dongjun Kim
- Department of Integrative Biotechnology, Sungkyunkwan University, Gyeonggi-do, Republic of Korea
| | - Keon Bong Oh
- Animal Biotechnology Division, National Institute of Animal Science, Rural Development Administration, Wanju-gun, Republic of Korea
| | - Hyeon Yang
- Animal Biotechnology Division, National Institute of Animal Science, Rural Development Administration, Wanju-gun, Republic of Korea
| | - Hwi Cheul Lee
- Animal Biotechnology Division, National Institute of Animal Science, Rural Development Administration, Wanju-gun, Republic of Korea
| | - Yong Jin Jo
- Animal Biotechnology Division, National Institute of Animal Science, Rural Development Administration, Wanju-gun, Republic of Korea
| | - Hae Sun Lee
- Animal Biotechnology Division, National Institute of Animal Science, Rural Development Administration, Wanju-gun, Republic of Korea
| | - Sukchan Lee
- Department of Integrative Biotechnology, Sungkyunkwan University, Gyeonggi-do, Republic of Korea
| | - Sung June Byun
- Animal Biotechnology Division, National Institute of Animal Science, Rural Development Administration, Wanju-gun, Republic of Korea
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Seo DJ, Jung D, Jung S, Yeo D, Choi C. Inhibitory effect of lactic acid bacteria isolated from kimchi against murine norovirus. Food Control 2020. [DOI: 10.1016/j.foodcont.2019.106881] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
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Choi H, Lee SI, Sureshkumar S, Jeon MH, Kim JS, Park MR, Kim KW, Jeon IS, Lee S, Byun SJ. Avian influenza virus transmission is suppressed in chickens fed Lactobacillus paracasei expressing the 3D8 single-chain variable fragment protein. Acta Vet Hung 2019; 67:610-618. [PMID: 31842597 DOI: 10.1556/004.2019.060] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
Abstract
The 3D8 single-chain variable fragment (scFv) is a mini-antibody sequence with independent nuclease activity that shows antiviral effects against all types of viruses in chickens and mice. In this study, chickens were treated daily with an oral dose of 109 CFU Lactobacillus paracasei (L. paracasei) expressing either a secreted or anchored 3D8 scFv for three weeks. After L. paracasei administration, the chickens were challenged with avian influenza virus (AIV). From each experimental group, three chickens were directly infected with 100 µL of 107.5 EID50/mL H9N2 AIV and seven chickens were indirectly challenged through contact transmission. oropharyngeal and cloacal swab samples were collected at 3, 5, 7, and 9 days post-inoculation (dpi) from AIV-challenged chickens, AIV Shedding titres were measured by quantitative real-time PCR. Contact transmission in the chickens that were fed 3D8 scFv-secreting L. paracasei showed a significant reduction in viral shedding when compared with other groups. These results suggest that L. paracasei secreting 3D8 provides a basis for the development of ingestible antiviral probiotics with activity against AIV.
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Affiliation(s)
- Hoonsung Choi
- 1Animal Biotechnology Division, National Institute of Animal Science, RDA, 1500 Kongjwipatjwi-ro, Iseo-myeon, Wanju-gun, Jeollabuk-do, 55365, Republic of Korea
| | - Sang In Lee
- 2Department of Animal Biotechnology, Kyungpook National University, Sangju, Gyeongsangbuk-do, Republic of Korea
| | - Shanmugam Sureshkumar
- 1Animal Biotechnology Division, National Institute of Animal Science, RDA, 1500 Kongjwipatjwi-ro, Iseo-myeon, Wanju-gun, Jeollabuk-do, 55365, Republic of Korea
| | - Mi-Hyang Jeon
- 1Animal Biotechnology Division, National Institute of Animal Science, RDA, 1500 Kongjwipatjwi-ro, Iseo-myeon, Wanju-gun, Jeollabuk-do, 55365, Republic of Korea
| | - Jeom Sun Kim
- 1Animal Biotechnology Division, National Institute of Animal Science, RDA, 1500 Kongjwipatjwi-ro, Iseo-myeon, Wanju-gun, Jeollabuk-do, 55365, Republic of Korea
| | - Mi-Ryung Park
- 1Animal Biotechnology Division, National Institute of Animal Science, RDA, 1500 Kongjwipatjwi-ro, Iseo-myeon, Wanju-gun, Jeollabuk-do, 55365, Republic of Korea
| | - Kyung-Woon Kim
- 1Animal Biotechnology Division, National Institute of Animal Science, RDA, 1500 Kongjwipatjwi-ro, Iseo-myeon, Wanju-gun, Jeollabuk-do, 55365, Republic of Korea
| | - Ik-Soo Jeon
- 1Animal Biotechnology Division, National Institute of Animal Science, RDA, 1500 Kongjwipatjwi-ro, Iseo-myeon, Wanju-gun, Jeollabuk-do, 55365, Republic of Korea
| | - Sukchan Lee
- 3Department of Genetic Engineering, Sungkyunkwan University, Seobu-ro, Jangan-gu, Suwon, Republic of Korea
| | - Sung June Byun
- 1Animal Biotechnology Division, National Institute of Animal Science, RDA, 1500 Kongjwipatjwi-ro, Iseo-myeon, Wanju-gun, Jeollabuk-do, 55365, Republic of Korea
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10
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Sureshkumar S, Jung SK, Kim D, Oh KB, Yang H, Lee HC, Jin JY, Sun LH, Lee S, Byun SJ. Oral administration of Lactobacillus reuteri expressing a 3D8 single-chain variable fragment (scFv) enhances chicken growth and conserves immune homeostasis. 3 Biotech 2019; 9:282. [PMID: 31245246 DOI: 10.1007/s13205-019-1811-8] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/26/2019] [Accepted: 06/13/2019] [Indexed: 12/24/2022] Open
Abstract
The present study was aimed to investigate the effects of 3D8 scFv-secreting Probiotic Lactobacillus reuteri (L. reuteri) on growth performance, inflammatory responses, and intestinal microbial flora in chickens. To this end, a total of 14 healthy wild-type chickens were divided into two experimental groups. Each group was orally administrated with a daily dose of 109 colony-forming units (CFU) of 3D8 scFv-producing L. reuteri or wild-type (WT) for 35 days. Administration of L. reuteri/3D8 scFv significantly improved the body weight of chickens when compared to L. reuteri/WT group. The bacterial taxonomic composition of the fecal microbiota was determined by pyrosequencing of 16S rRNA gene amplicons. Firmicutes, Actinobacteria, and Proteobacteria were dominant phyla in two experimental groups. However, in 3D8 L. reuteri treatment groups at genus level, the Lactobacillus was highly abundant, being represented by 18.12%. In addition, serum levels of primary cytokines such as IL-6, IL-8, TNF-α, IFN-γ, IL-4, and IGF1 were markedly reduced in the probiotic L. reuteri 3D8 group. In summary, our results indicate that the administration of L. reuteri expressing 3D8 scFv has a modulatory effect on inflammatory responses, improves weight gain while not affecting the common microbial composition of the chicken intestine.
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Affiliation(s)
- Shanmugam Sureshkumar
- 1Animal Biotechnology Division, National Institute of Animal Science, Rural Development Administration, 1500, Wanju-gun, 441-706 Republic of Korea
| | - Sun Keun Jung
- 1Animal Biotechnology Division, National Institute of Animal Science, Rural Development Administration, 1500, Wanju-gun, 441-706 Republic of Korea
| | - Dongjun Kim
- 2Department of Integrative Biotechnology, Sungkyunkwan University, 2066, Seobu-ro, Jangan-gu, Suwon-si, Gyeonggi-do Republic of Korea
| | - Keon Bong Oh
- 1Animal Biotechnology Division, National Institute of Animal Science, Rural Development Administration, 1500, Wanju-gun, 441-706 Republic of Korea
| | - Hyeon Yang
- 1Animal Biotechnology Division, National Institute of Animal Science, Rural Development Administration, 1500, Wanju-gun, 441-706 Republic of Korea
| | - Hwi Cheul Lee
- 1Animal Biotechnology Division, National Institute of Animal Science, Rural Development Administration, 1500, Wanju-gun, 441-706 Republic of Korea
| | - Jo Yong Jin
- 1Animal Biotechnology Division, National Institute of Animal Science, Rural Development Administration, 1500, Wanju-gun, 441-706 Republic of Korea
| | - Lee Hae Sun
- 1Animal Biotechnology Division, National Institute of Animal Science, Rural Development Administration, 1500, Wanju-gun, 441-706 Republic of Korea
| | - Sukchan Lee
- 2Department of Integrative Biotechnology, Sungkyunkwan University, 2066, Seobu-ro, Jangan-gu, Suwon-si, Gyeonggi-do Republic of Korea
| | - Sung June Byun
- 1Animal Biotechnology Division, National Institute of Animal Science, Rural Development Administration, 1500, Wanju-gun, 441-706 Republic of Korea
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11
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del Rio B, Redruello B, Fernandez M, Martin MC, Ladero V, Alvarez MA. Lactic Acid Bacteria as a Live Delivery System for the in situ Production of Nanobodies in the Human Gastrointestinal Tract. Front Microbiol 2019. [PMCID: PMC6346216 DOI: 10.3389/fmicb.2018.03179] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022] Open
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Complete Genome Sequence of Lactobacillus reuteri Byun-re-01, Isolated from Mouse Small Intestine. Microbiol Resour Announc 2018; 7:MRA00984-18. [PMID: 30533759 PMCID: PMC6256494 DOI: 10.1128/mra.00984-18] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2018] [Accepted: 09/18/2018] [Indexed: 11/20/2022] Open
Abstract
Lactic acid bacteria (LAB) are generally recognized as safe (GRAS) and serve as probiotic bacteria when consumed in adequate amounts. Here, we report the complete genome sequence of Lactobacillus reuteri Byun-re-01, isolated from mouse small intestine. Lactic acid bacteria (LAB) are generally recognized as safe (GRAS) and serve as probiotic bacteria when consumed in adequate amounts. Here, we report the complete genome sequence of Lactobacillus reuteri Byun-re-01, isolated from mouse small intestine.
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Complete Genome Sequence of Lactobacillus johnsonii Strain Byun-jo-01, Isolated from the Murine Gastrointestinal Tract. Microbiol Resour Announc 2018; 7:MRA00985-18. [PMID: 30533732 PMCID: PMC6256439 DOI: 10.1128/mra.00985-18] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2018] [Accepted: 09/14/2018] [Indexed: 11/22/2022] Open
Abstract
We report here the complete genome sequence of Lactobacillus johnsonii strain Byun-jo-01, which was isolated from the murine gastrointestinal tract. The genome was determined using both PacBio and Illumina sequencing. We report here the complete genome sequence of Lactobacillus johnsonii strain Byun-jo-01, which was isolated from the murine gastrointestinal tract. The genome was determined using both PacBio and Illumina sequencing. L. johnsonii strain Byun-jo-01 contains a single circular chromosome of 1,959,519 bp, and its GC content is 34.7%.
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Whole-Genome Sequence of Lactobacillus salivarius DJ-sa-01, Isolated from Chicken Small Intestine. Microbiol Resour Announc 2018; 7:MRA00987-18. [PMID: 30533717 PMCID: PMC6256648 DOI: 10.1128/mra.00987-18] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2018] [Accepted: 09/06/2018] [Indexed: 11/20/2022] Open
Abstract
We have identified the whole-genome sequence of Lactobacillus salivarius DJ-sa-01, a potential probiotic strain for poultry, isolated from a chicken small intestine. We used the PacBio and Illumina platforms to obtain the sequence of the entire single circular chromosome.
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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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Probiotic Lactobacillus Paracasei Expressing a Nucleic Acid-Hydrolyzing Minibody (3D8 Scfv) Enhances Probiotic Activities in Mice Intestine as Revealed by Metagenomic Analyses. Genes (Basel) 2018; 9:genes9060276. [PMID: 29844265 PMCID: PMC6027128 DOI: 10.3390/genes9060276] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2018] [Revised: 05/17/2018] [Accepted: 05/17/2018] [Indexed: 01/13/2023] Open
Abstract
Probiotics are well known for their beneficial effects for animals, including humans and livestock. Here, we tested the probiotic activity of Lactobacillus paracasei expressing 3D8 scFv, a nucleic acid-hydrolyzing mini-antibody, in mice intestine. A total of 18 fecal samples derived from three different conditions at two different time points were subjected to high-throughput 16S ribosomal RNA (rRNA) metagenomic analyses. Bioinformatic analyses identified an average of 290 operational taxonomic units. After administration of L. paracasei, populations of the probiotics L. paracasei, Lactobacillus reuteri, and Pediococcus acidilactici increased, whereas the population of harmful bacteria such as Helicobacter species decreased. Furthermore, continuous administration of L. paracasei resulted in L. paracasei emerging as the dominant probiotic after competition with other existing probiotics. Expression of 3D8 scFv protein specifically increased the population of P. acidilactici, which is another probiotic. In summary, our results showed that L. paracasei expressing 3D8 scFv protein enhanced probiotic activity in mice intestine with no observable side effects. Thus, the system developed in this study may be a good tool for the expression of recombinant protein using probiotics.
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Park JH, Lee JW, Choi H, Jung SK, Kim JS, Kim KW, Oh KB, Yang H, Byun SJ. Survival of Escherichia coli harboring nucleic acid-hydrolyzing 3D8 scFv during RNA virus infection. Regul Toxicol Pharmacol 2018; 94:286-292. [PMID: 29486271 PMCID: PMC7115797 DOI: 10.1016/j.yrtph.2018.02.012] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/06/2017] [Revised: 02/19/2018] [Accepted: 02/19/2018] [Indexed: 11/24/2022]
Abstract
Previously, Escherichia coli harboring the codon-optimized 3D8scFv gene (E. coli 3D8scFv) was developed as a feed additive for use in preventing norovirus infection. Here, we evaluated whether the 3D8scFv gene affects the colonization of E coli when E. coli 3D8scFv passes through the mouse gastrointestinal tract. To determine the colonization ability of E. coli 3D8scFv, E. coli cells with or without the 3D8scFv gene were fed to mice. Total DNA was extracted from the animals’ stools, stomach, small intestine and colon. All samples were amplified using 3D8scFv gene-specific primer sets. E. coli 3D8scFv begins to be excreted 1 h after feeding and that all E. coli 3D8scFv cells were excreted between 12 and 24 h after the last feeding of the cells. The previously measured gastrointestinal transit time of the mice was between 8 h and 22 h. The results of this study therefore show that E. coli 3D8scFv cannot colonize the gastrointestinal tracts of mice. In addition, if the purified 3D8 scFv protein is used as a feed additive, any associated E. coli 3D8scFv bacteria will not colonize the gastrointestinal tracts of the livestock. Thus, this feed additive meets the safety assessment criteria for the commercial use of bacteria. It is evaluated whether E. coli 3D8scFv colonizes in the gastrointestinal tracts of mice. Orally ingested E. coli 3D8scFv is excreted from mice without colonization of the gastrointestinal tract. Purified 3D8 scFv is suitable for a feed additive according to the concept of substantial equivalence.
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Affiliation(s)
- Jung-Ho Park
- Bio-Evaluation Center, Korea Research Institute of Bioscience and Biotechnology, Cheongju, Chungcheongbuk-do 28116, South Korea
| | - Jae-Woo Lee
- Bio-Evaluation Center, Korea Research Institute of Bioscience and Biotechnology, Cheongju, Chungcheongbuk-do 28116, South Korea; Department of Food Science and Technology, College of Agriculture and Life Sciences, Chungnam National University, Daejeon 34134, South Korea
| | - Hoonsung Choi
- Animal Biotechnology Division, National Institute of Animal Science, RDA, 1500, Kongjwipatjwi-ro, Iseo-myeon, Wanju-gun, Jeollabuk-do, 55365, South Korea
| | - Sun Keun Jung
- Animal Biotechnology Division, National Institute of Animal Science, RDA, 1500, Kongjwipatjwi-ro, Iseo-myeon, Wanju-gun, Jeollabuk-do, 55365, South Korea
| | - Jeom Sun Kim
- Animal Biotechnology Division, National Institute of Animal Science, RDA, 1500, Kongjwipatjwi-ro, Iseo-myeon, Wanju-gun, Jeollabuk-do, 55365, South Korea
| | - Kyung-Woon Kim
- Animal Biotechnology Division, National Institute of Animal Science, RDA, 1500, Kongjwipatjwi-ro, Iseo-myeon, Wanju-gun, Jeollabuk-do, 55365, South Korea
| | - Keon Bong Oh
- Animal Biotechnology Division, National Institute of Animal Science, RDA, 1500, Kongjwipatjwi-ro, Iseo-myeon, Wanju-gun, Jeollabuk-do, 55365, South Korea
| | - Hyeon Yang
- Animal Biotechnology Division, National Institute of Animal Science, RDA, 1500, Kongjwipatjwi-ro, Iseo-myeon, Wanju-gun, Jeollabuk-do, 55365, South Korea
| | - Sung June Byun
- Animal Biotechnology Division, National Institute of Animal Science, RDA, 1500, Kongjwipatjwi-ro, Iseo-myeon, Wanju-gun, Jeollabuk-do, 55365, South Korea.
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Bravo D, Landete JM. Genetic engineering as a powerful tool to improve probiotic strains. Biotechnol Genet Eng Rev 2017; 33:173-189. [DOI: 10.1080/02648725.2017.1408257] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Affiliation(s)
- Daniel Bravo
- Departamento de Tecnología de Alimentos, Instituto Nacional de Investigación y Tecnología Agraria y Alimentaria (INIA), Madrid, Spain
| | - José M. Landete
- Departamento de Tecnología de Alimentos, Instituto Nacional de Investigación y Tecnología Agraria y Alimentaria (INIA), Madrid, Spain
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Lee J, Kim M, Seo Y, Lee Y, Park H, Byun SJ, Kwon MH. The catalytic activity of a recombinant single chain variable fragment nucleic acid-hydrolysing antibody varies with fusion tag and expression host. Arch Biochem Biophys 2017; 633:110-117. [PMID: 28888872 DOI: 10.1016/j.abb.2017.09.004] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2017] [Revised: 08/31/2017] [Accepted: 09/05/2017] [Indexed: 12/12/2022]
Abstract
The antigen-binding properties of single chain Fv antibodies (scFvs) can vary depending on the position and type of fusion tag used, as well as the host cells used for expression. The issue is even more complicated with a catalytic scFv antibody that binds and hydrolyses a specific antigen. Herein, we investigated the antigen-binding and -hydrolysing activities of the catalytic anti-nucleic acid antibody 3D8 scFv expressed in Escherichia coli or HEK293f cells with or without additional amino acid residues at the N- and C-termini. DNA-binding activity was retained in all recombinant forms. However, the DNA-hydrolysing activity varied drastically between forms. The DNA-hydrolysing activity of E. coli-derived 3D8 scFvs was not affected by the presence of a C-terminal human influenza haemagglutinin (HA) or His tag. By contrast, the activity of HEK293f-derived 3D8 scFvs was completely lost when additional residues were included at the N-terminus and/or when a His tag was incorporated at the C-terminus, whereas a HA tag at the C-terminus did not diminish activity. Thus, we demonstrate that the antigen-binding and catalytic activities of a catalytic antibody can be separately affected by the presence of additional residues at the N- and C-termini, and by the host cell type.
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Affiliation(s)
- Joungmin Lee
- Department of Biomedical Sciences, Graduate School, Ajou University, 206 World Cup-ro, Yeongtong-gu, Suwon 16499, South Korea
| | - Minjae Kim
- Department of Biomedical Sciences, Graduate School, Ajou University, 206 World Cup-ro, Yeongtong-gu, Suwon 16499, South Korea
| | - Youngsil Seo
- Department of Biomedical Sciences, Graduate School, Ajou University, 206 World Cup-ro, Yeongtong-gu, Suwon 16499, South Korea
| | - Yeonjin Lee
- Department of Biomedical Sciences, Graduate School, Ajou University, 206 World Cup-ro, Yeongtong-gu, Suwon 16499, South Korea
| | - Hyunjoon Park
- Department of Biomedical Sciences, Graduate School, Ajou University, 206 World Cup-ro, Yeongtong-gu, Suwon 16499, South Korea
| | - Sung June Byun
- Animal Biotechnology Division, National Institute of Animal Science, Rural Development Administration, 1500, Kongjwipatjwi-ro, Iseo-myeon, Wanju-gun, Jeollabuk-do, 55365, South Korea
| | - Myung-Hee Kwon
- Department of Biomedical Sciences, Graduate School, Ajou University, 206 World Cup-ro, Yeongtong-gu, Suwon 16499, South Korea; Department of Microbiology, Ajou University School of Medicine, 206 World Cup-ro, Yeongtong-gu, Suwon 16499, South Korea.
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Lee H, Ko G. New perspectives regarding the antiviral effect of vitamin A on norovirus using modulation of gut microbiota. Gut Microbes 2017; 8:616-620. [PMID: 28727498 PMCID: PMC5730389 DOI: 10.1080/19490976.2017.1353842] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/03/2023] Open
Abstract
Gut microbiota has been revealed to play an important role in various health conditions, and recent studies have suggested the modulation of gut microbiota as a therapeutic strategy. There is no effective treatment of norovirus infection, though vitamin A has been suggested to have an antiviral effect in an epidemiological study. We demonstrated that vitamin A significantly inhibited murine norovirus replication. Vitamin A supplementation significantly increased the abundance of Lactobacillus sp. during norovirus infection, which played a crucial role in antiviral efficacy, inhibiting murine norovirus. Therefore, we elaborated the antiviral effect of vitamin A via modulation of gut microbiota. Furthermore, we suggest a novel strategy, using potential probiotics, as having a protective and therapeutic effect on noroviral infection.
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Affiliation(s)
- Heetae Lee
- College of Pharmacy, Sahmyook University, Seoul, Korea
| | - GwangPyo Ko
- Center for Human and Environmental Microbiome, Institute of Health and Environment, School of Public Health, Seoul National University, Seoul, Korea,CONTACT GwangPyo Ko School of Public Health, Seoul National University, 1 Gwanak-ro, Gwanak-gu, Seoul 151-742, Korea
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June Byun S, Yuk SS, Jang YJ, Choi H, Jeon MH, Erdene-Ochir TO, Kwon JH, Noh JY, Sun Kim J, Gyu Yoo J, Song CS. Transgenic Chickens Expressing the 3D8 Single Chain Variable Fragment Protein Suppress Avian Influenza Transmission. Sci Rep 2017; 7:5938. [PMID: 28724948 PMCID: PMC5517518 DOI: 10.1038/s41598-017-05270-8] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/08/2016] [Accepted: 05/26/2017] [Indexed: 12/21/2022] Open
Abstract
The 3D8 single chain variable fragment (scFv) is a mini-antibody that causes unusual sequence-independent nuclease activity against all types of nucleic acids. We used recombinant lentiviruses to generate transgenic chickens expressing the 3D8 scFv gene under the control of the chicken β-actin promoter. From 420 injected embryos, 200 chicks (G0) hatched and were screened for the 3D8 scFv using PCR, and 15 chicks were identified as transgenic birds expressing the transgene in their semen. The G0 founder birds were mated with wild-type hens to produce seven transgenic chicks (G1). 3D8 scFv expression in the chicken embryonic fibroblasts (CEFs) was verified by RT-PCR and Western blot analysis. Immunofluorescence staining for 3D8 scFv in the CEFs revealed that the 3D8 scFv protein was primarily cytosolic. To identify 3D8 scFv anti-viral activity, wild-type and two transgenic CEF lines were infected with H9N2 avian influenza virus (AIV). We selected one line of transgenic chickens that exhibited the lowest number of plaque-forming units to be challenged with H9N2 virus. The challenge experiment revealed that contact exposed transgenic chickens expressing 3D8 scFv exhibited suppressed viral shedding. This results suggest that the transgenic chickens developed in this study could be useful for controlling potential within-flock AIV transmission.
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Affiliation(s)
- Sung June Byun
- Animal Biotechnology Division, National Institute of Animal Science, Rural Development Administration, Suwon, 441-706, Republic of Korea
| | - Seong-Su Yuk
- Department of Avian Disease Laboratory, College of Veterinary Medicine, Konkuk University, Seoul, Korea
| | - Ye-Jin Jang
- Animal Biotechnology Division, National Institute of Animal Science, Rural Development Administration, Suwon, 441-706, Republic of Korea
| | - Hoonsung Choi
- Animal Biotechnology Division, National Institute of Animal Science, Rural Development Administration, Suwon, 441-706, Republic of Korea
| | - Mi-Hyang Jeon
- Animal Biotechnology Division, National Institute of Animal Science, Rural Development Administration, Suwon, 441-706, Republic of Korea
| | - T O Erdene-Ochir
- Department of Avian Disease Laboratory, College of Veterinary Medicine, Konkuk University, Seoul, Korea
| | - Jung-Hoon Kwon
- Department of Avian Disease Laboratory, College of Veterinary Medicine, Konkuk University, Seoul, Korea
| | - Jin-Yong Noh
- Department of Avian Disease Laboratory, College of Veterinary Medicine, Konkuk University, Seoul, Korea
| | - Jeom Sun Kim
- Animal Biotechnology Division, National Institute of Animal Science, Rural Development Administration, Suwon, 441-706, Republic of Korea
| | - Jae Gyu Yoo
- Animal Biotechnology Division, National Institute of Animal Science, Rural Development Administration, Suwon, 441-706, Republic of Korea
| | - Chang-Seon Song
- Department of Avian Disease Laboratory, College of Veterinary Medicine, Konkuk University, Seoul, Korea.
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Recombinant production of the antibody fragment D1.3 scFv with different Bacillus strains. Microb Cell Fact 2017; 16:14. [PMID: 28115011 PMCID: PMC5259949 DOI: 10.1186/s12934-017-0625-9] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/2016] [Accepted: 01/04/2017] [Indexed: 12/01/2022] Open
Abstract
Background Different strains of the genus Bacillus are versatile candidates for the industrial production and secretion of heterologous proteins. They can be cultivated quite easily, show high growth rates and are usually non-pathogenic and free of endo- and exotoxins. They have the ability to secrete proteins with high efficiency into the growth medium, which allows cost-effective downstream purification processing. Some of the most interesting and challenging heterologous proteins are recombinant antibodies and antibody fragments. They are important and suitable tools in medical research for analytics, diagnostics and therapy. The smallest conventional antibody fragment with high-affinity binding to an antigen is the single-chain fragment variable (scFv). Here, different strains of the genus Bacillus were investigated using diverse cultivation systems for their suitability to produce and secret a recombinant scFv. Results Extracellular production of lysozyme-specific scFv D1.3 was realized by constructing a plasmid with a xylose-inducible promoter optimized for Bacillus megaterium and the D1.3scFv gene fused to the coding sequence of the LipA signal peptide from B. megaterium. Functional scFv was successfully secreted with B. megaterium MS941, Bacillus licheniformis MW3 and the three Bacillus subtilis strains 168, DB431 and WB800N differing in the number of produced proteases. Starting with shake flasks (150 mL), the bioprocess was scaled down to microtiter plates (1250 µL) as well as scaled up to laboratory-scale bioreactors (2 L). The highest extracellular concentration of D1.3 scFv (130 mg L−1) and highest space–time-yield (8 mg L−1 h−1) were accomplished with B. subtilis WB800N, a strain deficient in eight proteases. These results were reproduced by the production and secretion of a recombinant penicillin G acylase (Pac). Conclusions The genus Bacillus provides high potential microbial host systems for the secretion of challenging heterologous proteins like antibody fragments and large proteins at high titers. In this study, the highest extracellular concentration and space–time-yield of a recombinant antibody fragment for a Gram-positive bacterium so far was achieved. The successful interspecies use of the here-designed plasmid originally optimized for B. megaterium was demonstrated by two examples, an antibody fragment and a penicillin G acylase in up to five different Bacillus strains. Electronic supplementary material The online version of this article (doi:10.1186/s12934-017-0625-9) contains supplementary material, which is available to authorized users.
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Abstract
In recent decades, probiotics have shown beneficial effects on animal and human health. Probiotics can protect the host against several health threats, including infectious diseases. Before 1995, researchers believed that the effect of probiotics was only on gut microbiota which can restore the gut flora and thus prevent pathogenic bacteria from triggering gastroenteritis. Recent studies have shown that the immunomodulatory activity is the most important mechanism of action of probiotics. From this information, researchers started to evaluate the effect of some immunobiotics, not only on pathogenic bacteria but also on viruses, including enteric and respiratory viruses. Several studies have confirmed the potential antiviral activity of some probiotics due to the immunomodulatory effect. These studies were conducted on humans (clinical trials) and in animal models. In this chapter, probiotics with antiviral effect against respiratory and enteric viruses will be presented and discussed, as well as their mechanisms of action.
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Landete JM. A review of food-grade vectors in lactic acid bacteria: from the laboratory to their application. Crit Rev Biotechnol 2016; 37:296-308. [PMID: 26918754 DOI: 10.3109/07388551.2016.1144044] [Citation(s) in RCA: 49] [Impact Index Per Article: 6.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/02/2023]
Abstract
Lactic acid bacteria (LAB) have a long history of use in fermented foods and as probiotics. Genetic manipulation of these microorganisms has great potential for new applications in food safety, as well as in the development of improved food products and in health. While genetic engineering of LAB could have a major positive impact on the food and pharmaceutical industries, progress could be prevented by legal issues related to the controversy surrounding this technology. The safe use of genetically modified LAB requires the development of food-grade cloning systems containing only the DNA from homologous hosts or generally considered as safe organisms, and not dependent antibiotic markers. The rationale for the development of cloning vectors derived from cryptic LAB plasmids is the need for new genetic engineering tools, therefore a vision from cryptic plasmids to applications in food-grade vectors for LAB plasmids is shown in this review. Replicative and integrative vectors for the construction of food-grade vectors, and the relationship between resistance mechanism and expression systems, will be treated in depth in this paper. Finally, we will discuss the limited use of these vectors, and the problems arising from their use.
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Affiliation(s)
- José Maria Landete
- a Departamento De Tecnología De Alimentos , Instituto Nacional De Investigación Y Tecnología Agraria Y Alimentaria (INIA) , Madrid , Spain
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Lee J, Park H, Kim M, Seo Y, Lee Y, Byun SJ, Lee S, Kwon MH. Functional stability of 3D8 scFv, a nucleic acid-hydrolyzing single chain antibody, under different biochemical and physical conditions. Int J Pharm 2015; 496:561-70. [PMID: 26536531 DOI: 10.1016/j.ijpharm.2015.10.076] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/07/2015] [Revised: 10/07/2015] [Accepted: 10/29/2015] [Indexed: 12/13/2022]
Abstract
3D8 single-chain Fv (scFv) is a catalytic nucleic acid antibody with anti-viral activity against a broad spectrum of viruses. Here we investigated the functional stability of 3D8 scFv to provide a basis for engineering a 3D8 scFv derivative and for developing stable formulations with improved stability and potential use as an anti-viral agent. The stability of 3D8 scFv was assessed by measuring its DNA-hydrolyzing activity under different biochemical and physical conditions using a fluorescence resonance energy transfer (FRET)-based method. In addition, the anti-influenza (H9N2) effect of 3D8 scFv was evaluated in A549 cells. 3D8 scFv was stable at 50°C for 6h at pH 7.2, for 3 days at pH 4-10 at 37°C and 30 days at pH 4-8 at 37°C. The stability was not affected by a reducing condition, freeze-thawing for up to 30 cycles, or lyophilization. Evaluation of the anti-virus effect showed that cells treated with 32-128 units of 3D8 scFv showed a 50% decrease in influenza replication compared to untreated cells. Based on its enzymatic stability in various biochemical and physical environments, 3D8 scFv holds good potential for development as an anti-viral therapeutic.
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Affiliation(s)
- Joungmin Lee
- Department of Biomedical Sciences, Graduate School, Ajou University, 206 World Cup-ro, Yeongtong-gu, Suwon 443-749, Republic of Korea
| | - Hyunjoon Park
- Department of Biomedical Sciences, Graduate School, Ajou University, 206 World Cup-ro, Yeongtong-gu, Suwon 443-749, Republic of Korea
| | - Minjae Kim
- Department of Biomedical Sciences, Graduate School, Ajou University, 206 World Cup-ro, Yeongtong-gu, Suwon 443-749, Republic of Korea
| | - Youngsil Seo
- Department of Biomedical Sciences, Graduate School, Ajou University, 206 World Cup-ro, Yeongtong-gu, Suwon 443-749, Republic of Korea
| | - Yeonjin Lee
- Department of Biomedical Sciences, Graduate School, Ajou University, 206 World Cup-ro, Yeongtong-gu, Suwon 443-749, Republic of Korea
| | - Sung June Byun
- Animal Biotechnology Division, National Institute of Animal Science, Rural Development Administration, Suwon 441-706, Republic of Korea
| | - Sukchan Lee
- Department of Genetic Engineering, Sungkyunkwan University, Jangan-gu, Suwon, Republic of Korea
| | - Myung-Hee Kwon
- Department of Biomedical Sciences, Graduate School, Ajou University, 206 World Cup-ro, Yeongtong-gu, Suwon 443-749, Republic of Korea; Department of Microbiology, Ajou University School of Medicine, 206 World Cup-ro, Yeongtong-gu, Suwon 443-749, Republic of Korea.
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Preventive Activity against Influenza (H1N1) Virus by Intranasally Delivered RNA-Hydrolyzing Antibody in Respiratory Epithelial Cells of Mice. Viruses 2015; 7:5133-44. [PMID: 26402693 PMCID: PMC4584307 DOI: 10.3390/v7092863] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2015] [Revised: 09/10/2015] [Accepted: 09/14/2015] [Indexed: 01/22/2023] Open
Abstract
The antiviral effect of a catalytic RNA-hydrolyzing antibody, 3D8 scFv, for intranasal administration against avian influenza virus (H1N1) was described. The recombinant 3D8 scFv protein prevented BALB/c mice against H1N1 influenza virus infection by degradation of the viral RNA genome through its intrinsic RNA-hydrolyzing activity. Intranasal administration of 3D8 scFv (50 μg/day) for five days prior to infection demonstrated an antiviral activity (70% survival) against H1N1 infection. The antiviral ability of 3D8 scFv to penetrate into epithelial cells from bronchial cavity via the respiratory mucosal layer was confirmed by immunohistochemistry, qRT-PCR, and histopathological examination. The antiviral activity of 3D8 scFv against H1N1 virus infection was not due to host immune cytokines or chemokines, but rather to direct antiviral RNA-hydrolyzing activity of 3D8 scFv against the viral RNA genome. Taken together, our results suggest that the RNase activity of 3D8 scFv, coupled with its ability to penetrate epithelial cells through the respiratory mucosal layer, directly prevents H1N1 virus infection in a mouse model system.
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Lee G, Cho S, Hoang PM, Kim D, Lee Y, Kil EJ, Byun SJ, Lee TK, Kim DH, Kim S, Lee S. Therapeutic Strategy for the Prevention of Pseudorabies Virus Infection in C57BL/6 Mice by 3D8 scFv with Intrinsic Nuclease Activity. Mol Cells 2015; 38:773-80. [PMID: 26255831 PMCID: PMC4588720 DOI: 10.14348/molcells.2015.0073] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2015] [Revised: 06/09/2015] [Accepted: 06/22/2015] [Indexed: 11/27/2022] Open
Abstract
3D8 single chain variable fragment (scFv) is a recombinant monoclonal antibody with nuclease activity that was originally isolated from autoimmune-prone MRL mice. In a previous study, we analyzed the nuclease activity of 3D8 scFv and determined that a HeLa cell line expressing 3D8 scFv conferred resistance to herpes simplex virus type 1 (HSV-1) and pseudorabies virus (PRV). In this study, we demonstrate that 3D8 scFv could be delivered to target tissues and cells where it exerted a therapeutic effect against PRV. PRV was inoculated via intramuscular injection, and 3D8 scFv was injected intraperitoneally. The observed therapeutic effect of 3D8 scFv against PRV was also supported by results from quantitative reverse transcription polymerase chain reaction, southern hybridization, and immunohistochemical assays. Intraperitoneal injection of 5 and 10 μg 3D8 scFv resulted in no detectable toxicity. The survival rate in C57BL/6 mice was 9% after intramuscular injection of 10 LD50 PRV. In contrast, the 3D8 scFv-injected C57BL/6 mice showed survival rates of 57% (5 μg) and 47% (10 μg). The results indicate that 3D8 scFv could be utilized as an effective antiviral agent in several animal models.
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Affiliation(s)
- Gunsup Lee
- Department of Genetic Engineering, Sungkyunkwan University, Suwon 440-746,
Korea
- Fruit Research Division, National Institute of Horticultural and Herbal Science, Rural Development Administration, Suwon 440-706,
Korea
| | - SeungChan Cho
- Department of Genetic Engineering, Sungkyunkwan University, Suwon 440-746,
Korea
| | - Phuong Mai Hoang
- Department of Genetic Engineering, Sungkyunkwan University, Suwon 440-746,
Korea
| | - Dongjun Kim
- Department of Genetic Engineering, Sungkyunkwan University, Suwon 440-746,
Korea
| | - Yongjun Lee
- Department of Genetic Engineering, Sungkyunkwan University, Suwon 440-746,
Korea
| | - Eui-Joon Kil
- Department of Genetic Engineering, Sungkyunkwan University, Suwon 440-746,
Korea
| | - Sung-June Byun
- Animal Biotechnology Division, National Institute of Animal Science, Rural Development Administration, Suwon 441-706,
Korea
| | - Taek-Kyun Lee
- South Sea Environment Research Department, Korea Institute of Ocean Science and Technology, Geoje 656-834,
Korea
| | - Dae-Hyun Kim
- Fruit Research Division, National Institute of Horticultural and Herbal Science, Rural Development Administration, Suwon 440-706,
Korea
| | - Sunghan Kim
- Department of Plant Science, Research Institute of Agriculture and Life Sciences, and Plant Genomics and Breeding Institute, Seoul National University, Seoul 151-921,
Korea
| | - Sukchan Lee
- Department of Genetic Engineering, Sungkyunkwan University, Suwon 440-746,
Korea
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