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Indhuprakash ST, S P, C DR, Thirumalai D. Efficacy evaluation of anti-DEC-IgY against antibiotic-resistant diarrhoeagenic Escherichia coli. J Med Microbiol 2024; 73. [PMID: 38314672 DOI: 10.1099/jmm.0.001801] [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] [Indexed: 02/06/2024] Open
Abstract
Introduction. The rise of multi-drug-resistant bacteria poses a global threat. In 2017, the World Health Organization identified 12 antibiotic-resistant 'priority pathogens', including Enterobacteriaceae, highlighting the menace of Gram-negative bacteria. Diarrhoeagenic Escherichia coli (DEC)-induced diarrhoea is particularly problematic for travellers and infants. In contrast to other antibiotic alternatives, passive immunotherapy is showing promise by providing immediate and precise protection. However, mammalian-sourced antibodies are costly, hindering large-scale production. Egg-laying chicken-derived IgY antibodies present a cost-effective, high-yield solution, revolutionizing antibody-based therapeutics compared to mammalian IgG.Hypothesis/Gap Statement. This study hypothesized that developing anti-DEC-IgY could combat DEC infections effectively.Aim. The primary aim was to develop anti-DEC-IgY and assess its potential in DEC-induced diarrhoeal management.Method. Chickens were immunized with DEC antigens to induce an immune response. IgY antibodies were extracted from immune eggs and purified using ion-exchange column chromatography. Anti-DEC-IgY's ability to inhibit DEC growth was evaluated through growth inhibition assays. Anti-DEC-IgY's capacity to prevent E. coli adhesion was assessed using mice intestinal mucosa. In vivo experiments measured pathogen colonization reduction and infection severity reduction. P values were calculated to confirm statistical significance.Result. The antibacterial efficacy of anti-DEC-IgY by growth inhibition assay demonstrated that 25 mg ml-1 of IgY could inhibit the DEC growth. The anti-adherence-property was tested using mice intestinal mucosa and found that anti-DEC-IgY could prevent the E. coli adhesion. In vivo results suggest that 12 mg ml-1 of IgY will reduce the pathogen colonization in intestine and reduce the severity of the infection. The P values between the experimental groups confirm the statistical significance of the findings.Conclusion. The study findings suggest that IgY-based passive immunotherapy could be a potential strategy for managing the risks associated with antibiotic-resistant bacterial infections. Additionally, this study paves the way for the development of IgY-related research and applications in India.
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Affiliation(s)
- Srichandrasekar Thuthikkadu Indhuprakash
- Centre for Research in Infectious Diseases (CRID), Bioengineering, School of Chemical and Biotechnology, SASTRA Deemed-to-be-University, Thanjavur 613401, Tamil Nadu, India
| | - Panchapakesan S
- Central Animal Facility, School of Chemical and Biotechnology, SASTRA Deemed-to-be-University, Thanjavur 613401, Tamil Nadu, India
| | - David Raj C
- Centre for Advanced Research in Indian System of Medicine, School of Chemical and Biotechnology, SASTRA Deemed-to-be-University, Thanjavur 613401, Tamil Nadu, India
| | - Diraviyam Thirumalai
- Centre for Research in Infectious Diseases (CRID), Bioengineering, School of Chemical and Biotechnology, SASTRA Deemed-to-be-University, Thanjavur 613401, Tamil Nadu, India
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Zhang Y, Lin M, Qin Y, Lu H, Xu X, Gao C, Liu Y, Luo W, Luo X. Anti-Vibrio potential of natural products from marine microorganisms. Eur J Med Chem 2023; 252:115330. [PMID: 37011553 DOI: 10.1016/j.ejmech.2023.115330] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2023] [Revised: 03/28/2023] [Accepted: 03/28/2023] [Indexed: 03/31/2023]
Abstract
The emergence of drug-resistant Vibrio poses a serious threat to aquaculture and human health, thus there is an urgent need for the discovery of new related antibiotics. Given that marine microorganisms (MMs) are evidenced as important sources of antibacterial natural products (NPs), great attention has been gained to the exploration of potential anti-Vibrio agents from MMs. This review summarizes the occurrence, structural diversity, and biological activities of 214 anti-Vibrio NPs isolated from MMs (from 1999 to July 2022), including 108 new compounds. They were predominantly originated from marine fungi (63%) and bacteria (30%) with great structural diversity, including polyketides, nitrogenous compounds, terpenoids, and steroids, among which polyketides account for nearly half (51%) of them. This review will shed light on the development of MMs derived NPs as potential anti-Vibrio lead compounds with promising applications in agriculture and human health.
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Dezfooli SM, Nguyen TV, Young T, Gutierrez-Maddox N, Alfaro AC, Seyfoddin A. An evaluation of the growth and immunity of New Zealand black-footed abalone (Haliotis iris) treated with encapsulated feed and probiotics. Anim Feed Sci Technol 2023. [DOI: 10.1016/j.anifeedsci.2023.115639] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/14/2023]
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Gan W, Xu Z, Li Y, Bi W, Chu L, Qi Q, Yang Y, Zhang P, Gan N, Dai S, Xu T. Rapid and sensitive detection of Staphylococcus aureus by using a long-period fiber grating immunosensor coated with egg yolk antibody. Biosens Bioelectron 2021; 199:113860. [PMID: 34890885 DOI: 10.1016/j.bios.2021.113860] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2021] [Revised: 11/24/2021] [Accepted: 11/30/2021] [Indexed: 12/18/2022]
Abstract
The rapid and reliable detection of bacteria plays an important role in clinical and veterinary practice. A stable, label free, compact, and sensitive long-period fiber grating (LPFG) sensor based on egg yolk antibody (IgY) was proposed for the detection of Staphylococcus aureus (S. aureus). LPFG was fabricated with laser writing technology, and specific IgY was further immobilized on the grating region and then combined with the corresponding bacteria. S. aureus was detected by tracking the change of resonance wavelength in the LPFG transmission spectrum caused by bacteria-antibody interaction induced by the increase of biological cover thickness and density after the immune reaction. The testing results showed that the proposed sensor was selective and sensitive to S. aureus measurement, and the detection limit is approximately 33 CFU/ml. The proposed antibody immobilization method is very simple, and the optical fiber can be manufactured in batch to reduce the cost. The detection time of the sensor is around 20 min, which is fast and suitable for detection. The assay was successfully applied for the quantitative analysis of S. aureus in natural waters and met the needs of on-site screening trace pathogenic bacteria in food safety control.
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Affiliation(s)
- Wenbo Gan
- Key Laboratory of Photoelectric Materials and Devices of Zhejiang Province, Ningbo University, Ningbo, 315211, China; Engineering Research Center for Advanced Infrared Photoelectric Materials and Devices of Zhejiang Province, Ningbo University, Ningbo, 315211, China
| | - Zhenli Xu
- School of Materials Science and Chemical Engineering, Ningbo University, Ningbo, 315211, China
| | - Yaowei Li
- Key Laboratory of Photoelectric Materials and Devices of Zhejiang Province, Ningbo University, Ningbo, 315211, China; Engineering Research Center for Advanced Infrared Photoelectric Materials and Devices of Zhejiang Province, Ningbo University, Ningbo, 315211, China
| | - Wenchao Bi
- School of Materials Science and Chemical Engineering, Ningbo University, Ningbo, 315211, China
| | - Luoyao Chu
- Key Laboratory of Photoelectric Materials and Devices of Zhejiang Province, Ningbo University, Ningbo, 315211, China; Engineering Research Center for Advanced Infrared Photoelectric Materials and Devices of Zhejiang Province, Ningbo University, Ningbo, 315211, China
| | - Qianyu Qi
- Key Laboratory of Photoelectric Materials and Devices of Zhejiang Province, Ningbo University, Ningbo, 315211, China; Engineering Research Center for Advanced Infrared Photoelectric Materials and Devices of Zhejiang Province, Ningbo University, Ningbo, 315211, China
| | - Yitao Yang
- Key Laboratory of Photoelectric Materials and Devices of Zhejiang Province, Ningbo University, Ningbo, 315211, China; Engineering Research Center for Advanced Infrared Photoelectric Materials and Devices of Zhejiang Province, Ningbo University, Ningbo, 315211, China
| | - Peiqing Zhang
- Key Laboratory of Photoelectric Materials and Devices of Zhejiang Province, Ningbo University, Ningbo, 315211, China; Engineering Research Center for Advanced Infrared Photoelectric Materials and Devices of Zhejiang Province, Ningbo University, Ningbo, 315211, China.
| | - Ning Gan
- School of Materials Science and Chemical Engineering, Ningbo University, Ningbo, 315211, China.
| | - Shixun Dai
- Key Laboratory of Photoelectric Materials and Devices of Zhejiang Province, Ningbo University, Ningbo, 315211, China; Engineering Research Center for Advanced Infrared Photoelectric Materials and Devices of Zhejiang Province, Ningbo University, Ningbo, 315211, China
| | - Tiefeng Xu
- Ningbo Institute of Oceanography, Ningbo, 315832, China
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5
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Lee L, Samardzic K, Wallach M, Frumkin LR, Mochly-Rosen D. Immunoglobulin Y for Potential Diagnostic and Therapeutic Applications in Infectious Diseases. Front Immunol 2021; 12:696003. [PMID: 34177963 PMCID: PMC8220206 DOI: 10.3389/fimmu.2021.696003] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2021] [Accepted: 05/26/2021] [Indexed: 01/14/2023] Open
Abstract
Antiviral, antibacterial, and antiparasitic drugs and vaccines are essential to maintaining the health of humans and animals. Yet, their production can be slow and expensive, and efficacy lost once pathogens mount resistance. Chicken immunoglobulin Y (IgY) is a highly conserved homolog of human immunoglobulin G (IgG) that has shown benefits and a favorable safety profile, primarily in animal models of human infectious diseases. IgY is fast-acting, easy to produce, and low cost. IgY antibodies can readily be generated in large quantities with minimal environmental harm or infrastructure investment by using egg-laying hens. We summarize a variety of IgY uses, focusing on their potential for the detection, prevention, and treatment of human and animal infections.
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Affiliation(s)
- Lucia Lee
- Department of Chemical and Systems Biology, Stanford University School of Medicine, Stanford, CA, United States
| | - Kate Samardzic
- Department of Chemical and Systems Biology, Stanford University School of Medicine, Stanford, CA, United States
| | - Michael Wallach
- School of Life Sciences, University of Technology, Sydney, NSW, Australia
| | | | - Daria Mochly-Rosen
- Department of Chemical and Systems Biology, Stanford University School of Medicine, Stanford, CA, United States
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6
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Masoomi Dezfooli S, Gutierrez-Maddox N, Alfaro AC, Seyfoddin A. Development of a microencapsulated probiotic delivery system for New Zealand black-footed abalone ( Haliotis iris). Pharm Dev Technol 2021; 26:390-402. [PMID: 33461379 DOI: 10.1080/10837450.2021.1876090] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
Abstract
Conventional methods of probiotics delivery to farmed aquatic animals are not efficient due to loss of probiotic's viability before the probiotics can reach their site of action. This study aims to develop a microencapsulated probiotic delivery system for black-footed abalone (Haliotis iris). An emulsion technique was used to encapsulate probiotic bacteria within chitosan-coated alginate microparticles (CALG). The efficacy of CALG microparticles in delivering probiotics to abalone was assessed using ex vivo and in vivo experiments. Microparticles (113 ± 4 µm) with encapsulation efficiency of more than 75% were developed using an internal gelation formulation approach. The ex vivo release experiments revealed the lack of probiotic discharge in the first 6 h of incubating CALG in seawater followed by a slight bacterial release within the next 20 h. The exposure of CALG microparticles to simulated gastric and intestinal media showed a significantly higher release of encapsulated bacteria in the simulated intestinal medium. The results of feeding trial revealed that the number of probiotic bacteria in probiotic-fed abalone was significantly higher than the one in the control animals. The results suggest that CALG microparticles can be used as a controlled release system for delivering viable probiotic bacteria to the gastrointestinal tract of abalone.
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Affiliation(s)
- Seyedehsara Masoomi Dezfooli
- Faculty of Health and Environmental Sciences, Drug Delivery Research Group, School of Science, Auckland University of Technology, Auckland, New Zealand
| | - Noemi Gutierrez-Maddox
- Faculty of Health and Environmental Sciences, School of Science, Auckland University of Technology, Auckland, New Zealand
| | - Andrea C Alfaro
- Faculty of Health and Environmental Sciences, School of Science, Auckland University of Technology, Auckland, New Zealand
| | - Ali Seyfoddin
- Faculty of Health and Environmental Sciences, Drug Delivery Research Group, School of Science, Auckland University of Technology, Auckland, New Zealand
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Abdul Rasheed MS, Tiwari UP, Oelschlager ML, Smith BN, Jespersen JC, Escobar J, Olmeda-Geniec N, Dilger RN. Dietary supplementation with anti-IL-10 antibody during a severe Eimeria challenge in broiler chickens. Poult Sci 2020; 99:6493-6502. [PMID: 33248564 PMCID: PMC7705005 DOI: 10.1016/j.psj.2020.09.012] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/25/2020] [Revised: 08/21/2020] [Accepted: 09/01/2020] [Indexed: 12/02/2022] Open
Abstract
Attenuation of host IL-10 activity during Eimeria infection may elicit a robust Th1 response to eliminate the parasite from the gut epithelium. An experiment was conducted to study the effects of feeding IL-10 neutralizing antibody delivered via a dried egg product (DEP) on growth performance, immune responsivity, and gut health outcomes during a severe challenge with either Eimeria acervulina (study 1) or Eimeria tenella (study 2) following FDA CVM #217 protocol to test anticoccidial products. A total of 720 male Ross 308 chicks were used in each study, with 15 replicate cages of 12 birds and the following 4 treatments: sham-inoculated (uninfected) control diet (UCON), Eimeria-infected control diet (ICON), and Eimeria-infected control diet supplemented with DEP at 2 levels (165 [I-165] or 287 [I-287] U/tonne in study 1 and 143 [I-143] or 287 [I-287] U/tonne in study 2). Individual birds assigned to infected treatment groups received a single oral dose of either 200,000 E. acervulina (study 1) or 80,000 E. tenella (study 2) oocysts at 12 d of age (i.e., d post inoculation [DPI] 0), whereas uninfected birds were sham-inoculated with tap water. A one-way ANOVA was performed on outcomes including growth performance, hematology, serum chemistry profiles, immunophenotyping profiles, and intestinal lesion scores. In both studies, DPI 0 to 7 weight gain, feed intake, and feed conversion ratio were worse (P < 0.05) in all infected groups compared with the UCON group. Compared with ICON, DEP supplementation elicited no differences on overall growth performance. Histopathology and lesion scores revealed severe damage to the gut epithelium owing to the Eimeria challenge, yet DEP supplementation did not improve these outcomes or oocyst shedding, hematological measurements, or serum chemistry. However, DEP supplementation improved (P < 0.05) the percentage of circulating CD3+ cells at 6 DPI in study 2. These results indicate that DEP does not appear to elicit a coccidiostatic effect during a severe infection with E. acervulina or E. tenella.
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Affiliation(s)
- M S Abdul Rasheed
- Department of Animal Sciences, University of Illinois, Urbana, IL 61801, USA
| | - U P Tiwari
- Department of Animal Sciences, University of Illinois, Urbana, IL 61801, USA
| | - M L Oelschlager
- Department of Animal Sciences, University of Illinois, Urbana, IL 61801, USA
| | - B N Smith
- Department of Animal Sciences, University of Illinois, Urbana, IL 61801, USA
| | - J C Jespersen
- Department of Animal Sciences, University of Illinois, Urbana, IL 61801, USA
| | - J Escobar
- Nutritional Health, Elanco Animal Health, Greenfield, IN 46140, USA
| | - N Olmeda-Geniec
- Nutritional Health, Elanco Animal Health, Greenfield, IN 46140, USA
| | - R N Dilger
- Department of Animal Sciences, University of Illinois, Urbana, IL 61801, USA.
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8
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Nakamura R, Pedrosa-Gerasmio IR, Alenton RRR, Nozaki R, Kondo H, Hirono I. Anti-PirA-like toxin immunoglobulin (IgY) in feeds passively immunizes shrimp against acute hepatopancreatic necrosis disease. JOURNAL OF FISH DISEASES 2019; 42:1125-1132. [PMID: 31115066 DOI: 10.1111/jfd.13024] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/26/2019] [Revised: 04/17/2019] [Accepted: 04/18/2019] [Indexed: 05/21/2023]
Abstract
Acute hepatopancreatic necrosis disease (AHPND), caused by a toxin-producing Vibrio parahaemolyticus strain, has become a serious threat to shrimp aquaculture. The need to regulate antibiotic use prompted the development of alternative ways to treat infections in aquaculture including the use of chicken egg yolk immunoglobulin (IgY) for passive immunization. This study evaluated the protective effect of IgY against AHPND infection in Litopenaeus vannamei (Boone). IgY was isolated from eggs laid by hens immunized with recombinant PirA-like (rPirA) and PirB-like (rPirB) toxins. Whole-egg powders having IgY specific to rPirA (anti-PirA-IgY) and rPirB (anti-PirB-IgY) and IgY from non-immunized hen (control-IgY) were mixed with basal diets at 20% concentrations and used to prefeed shrimp 3 days before the bacterial challenge test. Survival rates of the challenged shrimp fed the anti-PirA-IgY, anti-PirB-IgY and control-IgY diets were 86%, 14% and 0%, respectively. Only the feed containing anti-PirA-IgY protected shrimp against AHPND. Increasing the concentration of rPirA antigen to immunize hens and lowering the amount of egg powder in feeds to 10% consistently showed higher survival rates in shrimp fed with anti-PirA-IgY (87%) compared with the control (12%). These results confirm that addition of anti-PirA-IgY in feeds could be an effective prophylactic method against AHPND infection in shrimp.
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Affiliation(s)
- Rika Nakamura
- Graduate School of Marine Science and Technology, Tokyo University of Marine Science and Technology, Tokyo, Japan
| | - Ivane R Pedrosa-Gerasmio
- Graduate School of Marine Science and Technology, Tokyo University of Marine Science and Technology, Tokyo, Japan
- Department of Marine Sciences, College of Science and Mathematics, Mindanao State University-Iligan Institute of Technology, Iligan City, Philippines
| | - Rod Russel R Alenton
- Graduate School of Marine Science and Technology, Tokyo University of Marine Science and Technology, Tokyo, Japan
| | - Reiko Nozaki
- Graduate School of Marine Science and Technology, Tokyo University of Marine Science and Technology, Tokyo, Japan
| | - Hidehiro Kondo
- Graduate School of Marine Science and Technology, Tokyo University of Marine Science and Technology, Tokyo, Japan
| | - Ikuo Hirono
- Graduate School of Marine Science and Technology, Tokyo University of Marine Science and Technology, Tokyo, Japan
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Hu B, Yang X, Guo E, Zhou P, Xu D, Qi Z, Deng L. The preparation and antibacterial effect of egg yolk immunoglobulin (IgY) against the outer membrane proteins of Vibrio parahaemolyticus. JOURNAL OF THE SCIENCE OF FOOD AND AGRICULTURE 2019; 99:2565-2571. [PMID: 30407635 DOI: 10.1002/jsfa.9470] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/05/2018] [Revised: 10/16/2018] [Accepted: 10/30/2018] [Indexed: 05/21/2023]
Abstract
BACKGROUND Vibrio parahaemolyticus causes not only various diseases in aquaculture animals but also seafood-borne illness in humans. Outer membrane proteins (OMPs) are species-specific proteins found in bilayer membranes of gram-negative bacteria. Egg yolk immunoglobulin (IgY) has been reported to serve as oral administration of antibodies against bacteria and virus. RESULTS The present research extracted and identified OMPs from V. parahaemolyticus, and then the extracted OMPs were used to immunize hens to obtain specific IgY. The efficacy of IgY against V. parahaemolyticus were investigated in vitro and in vivo. The specific IgY effectively inhibited the growth of V. parahaemolyticus in liquid medium rather than Escherichia coli and Staphylococcus aureus. Specific IgY antibodies were incorporated into extruded food pellets and fed to bacteria-challenged white pacific shrimp to observe the anti-bacterial effect in vivo. The bacterial loads in muscles of V. parahaemolyticus infected shrimp fed with specific IgY-included diets were significantly fewer than those fed with non-specific IgY-included diets. The superoxide dismutase activities in muscles of infected shrimp fed with specific IgY-included diets were significantly higher than the control group. CONCLUSION The results suggested that the specific IgY effectively inhibited the growth of V. parahaemolyticus and introduced passive immunity to shrimp. © 2018 Society of Chemical Industry.
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Affiliation(s)
- Bochao Hu
- Shenzhen Key Laboratory of Microbial Genetic Engineering, Shenzhen Key Laboratory of Marine Bioresource and Eco-environmental Science, College of Life Sciences and Oceanography, Shenzhen University, Shenzhen, China
| | - Xiaodong Yang
- Shenzhen Key Laboratory of Microbial Genetic Engineering, Shenzhen Key Laboratory of Marine Bioresource and Eco-environmental Science, College of Life Sciences and Oceanography, Shenzhen University, Shenzhen, China
| | - Erpeng Guo
- Shenzhen Key Laboratory of Microbial Genetic Engineering, Shenzhen Key Laboratory of Marine Bioresource and Eco-environmental Science, College of Life Sciences and Oceanography, Shenzhen University, Shenzhen, China
| | - Peizhan Zhou
- Shenzhen Key Laboratory of Microbial Genetic Engineering, Shenzhen Key Laboratory of Marine Bioresource and Eco-environmental Science, College of Life Sciences and Oceanography, Shenzhen University, Shenzhen, China
| | - Ding Xu
- Shenzhen Boostie Bio-medicine Co., Ltd, Shenzhen, China
| | - Zhenqiang Qi
- Shenzhen Boostie Bio-medicine Co., Ltd, Shenzhen, China
| | - Li Deng
- Shenzhen Key Laboratory of Microbial Genetic Engineering, Shenzhen Key Laboratory of Marine Bioresource and Eco-environmental Science, College of Life Sciences and Oceanography, Shenzhen University, Shenzhen, China
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Munang'andu HM, Evensen Ø. Correlates of protective immunity for fish vaccines. FISH & SHELLFISH IMMUNOLOGY 2019; 85:132-140. [PMID: 29621636 DOI: 10.1016/j.fsi.2018.03.060] [Citation(s) in RCA: 23] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/10/2017] [Revised: 03/25/2018] [Accepted: 03/31/2018] [Indexed: 05/07/2023]
Abstract
Vaccination is one of the most effective disease control strategies that has contributed to the significant reduction of disease outbreaks and antibiotics usage in salmonid aquaculture. To date, licensing of fish vaccines is to a limited extent based on in vitro correlates of protection, as done for many mammalian vaccines. This is because the immunological mechanisms of vaccine protection have not been clearly elucidated for most fish vaccines. Herein, we provide an overview of the different steps required to establish correlates of protective immunity required to serve as benchmarks in optimizing vaccine production in aquaculture. We highlight the importance of optimizing challenge models needed to generate consistent results used during vaccine development as a basis for establishing immune correlates of protection. Data generated this far shows that antibodies are potentially the most reliable correlates of protective immunity for fish vaccines. Our findings also show that antigen dose can be optimized to serve as a correlate of protection for fish vaccines. Further, there is need to establish signatures of T-cell protective immunity when antibodies fail to serve as proxies of immune protection, particularly for vaccines against intracellular pathogens. We can anticipate that documentation of efficacy for future vaccines in aquaculture, particularly batch testing will be based on in vitro correlates of protective immunity.
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Affiliation(s)
- Hetron Mweemba Munang'andu
- Norwegian University of Life Sciences, Faculty of Veterinary Medicine, Department of Basic Sciences and Aquatic Medicine, Ullevålsveien 72, P.O. Box 8146, NO-0033, Oslo, Norway.
| | - Øystein Evensen
- Norwegian University of Life Sciences, Faculty of Veterinary Medicine, Department of Basic Sciences and Aquatic Medicine, Ullevålsveien 72, P.O. Box 8146, NO-0033, Oslo, Norway.
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Xu L, Xu Y, He L, Zhang M, Wang L, Li Z, Li X. Immunomodulatory effects of chicken egg yolk antibodies (IgY) against experimental Shewanella marisflavi AP629 infections in sea cucumbers (Apostichopus japonicus). FISH & SHELLFISH IMMUNOLOGY 2019; 84:108-119. [PMID: 30266604 DOI: 10.1016/j.fsi.2018.09.073] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/14/2018] [Revised: 08/17/2018] [Accepted: 09/25/2018] [Indexed: 06/08/2023]
Abstract
Skin ulceration syndrome in sea cucumbers is an infectious bacterial disease with fast and high mortality. This study investigated the protection of chicken egg yolk antibodies (IgY) on skin ulcer syndrome in sea cucumbers induced by intraperitoneally injecting Shewanella marisflavi AP629. Inactivated whole S. marisflavi AP629 cells were used as an immunogen to immunize laying hens. The highest titer of the obtained specific IgY by ELISA was 1:90000. Specific IgY significantly inhibited the growth of S. marisflavi AP629 in a liquid medium, dose-dependent manner at concentrations ranging from 0.5 to 2 mg/mL. Results obtained from scanning electron microscopy and confocal laser scanning microscopy showed that specific IgY could make bacteria agglutinate and damage the cell membrane of S. marisflavi AP629, resulting in a decrease of bacterial viability. Sea cucumbers treated with 25, 5, and 1 mg/mL anti-S. marisflavi AP629 IgY could achieve survival rates of 77.5%, 50%, and 22.5% at day 12 when the infection and injection therapy were carried out at the same time, respectively. However, survival rates of sea cucumbers treated with 25 mg/mL of nonspecific IgY were only 7.5% at day 12. All sea cucumbers in the positive control group died within twelve days after bacterial inoculation. Levels of the five humoral immune factors (LYZ, ACP, NOS, SOD, CAT) released by coelomocytes were significantly increased in the specific IgY group compared to the nonspecific IgY and positive control groups within 12 h. However, the activities of LYZ, ACP, and SOD decreased rapidly at the 48 h time point in the specific IgY group, indicating that specific IgY treatment could shorten the time needed to restore balance in sea cucumber immune systems. Oral prophylaxis with egg yolk powders was that all sea cucumbers were challenged with 4.2 × 106 CFU S. marisflavi AP629 by intraperitoneal injection after 60 days of feeding. Survival rates of diets containing 10%, 5%, and 1% specific egg yolk powder were 57.5%, 52.5%, and 30% by day 12, respectively, and the survival rate was 27.5% for the nonspecific group and 22.5% for the positive control group. After feeding for 60 days, enzyme activities of LZY, NOS, and SOD were all significantly enhanced in sea cucumbers fed with specific egg yolk powder when compared to the control group (p < 0.05). This study demonstrated that the phagocytic activities of coelomocytes were significantly stimulated after specific IgY treatment over that of nonspecific IgY or without IgY treatments in sea cucumbers (p < 0.05). Overall, our results revealed that anti-S. marisflavi AP629 IgY has a positive immunomodulatory effect on sea cucumbers infected with S. marisflavi AP629.
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Affiliation(s)
- Le Xu
- School of Life Science and Biotechnology, Dalian University of Technology, Dalian, 116024, China
| | - Yongping Xu
- School of Life Science and Biotechnology, Dalian University of Technology, Dalian, 116024, China; Center for Food Safety of Animal Origin, Ministry of Education, Dalian University of Technology, Dalian, 116600, China
| | - Liangyu He
- School of Life Science and Biotechnology, Dalian University of Technology, Dalian, 116024, China
| | - Meixia Zhang
- School of Life Science and Biotechnology, Dalian University of Technology, Dalian, 116024, China
| | - Lili Wang
- School of Life Science and Biotechnology, Dalian University of Technology, Dalian, 116024, China
| | - Zhen Li
- School of Life Science and Biotechnology, Dalian University of Technology, Dalian, 116024, China
| | - Xiaoyu Li
- School of Life Science and Biotechnology, Dalian University of Technology, Dalian, 116024, China; Center for Food Safety of Animal Origin, Ministry of Education, Dalian University of Technology, Dalian, 116600, China.
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Yi L, Qin Z, Lin H, Zhou Y, Li J, Xu Z, Babu V S, Lin L. Features of chicken egg yolk immunoglobulin (IgY) against the infection of red-spotted grouper nervous necrosis virus. FISH & SHELLFISH IMMUNOLOGY 2018; 80:534-539. [PMID: 29906624 DOI: 10.1016/j.fsi.2018.06.024] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/02/2018] [Revised: 05/05/2018] [Accepted: 06/11/2018] [Indexed: 06/08/2023]
Abstract
Red-spotted grouper nervous necrosis virus (RGNNV) is one of the most important viruses which mainly infects the larva of marine and freshwater fish with high mortality and affects the fishery industry worldwide. Currently, there are no effective vaccines available for the fish larva infected with NNV. Immunoglobulin yolk (IgY) origin of oviparous animals is passed from the blood serum and concentrated in the egg yolk. With the advantages of high yield, cost-effectiveness, and high stability, IgY can be widely used in passive immunization, especially in young animals in which adaptive immunity is not fully developed. In this study, we have cloned and expressed the recombinant capsid protein of RGNNV in Escherichia coli and used as an immunogen for generating specific anti-RGNNV IgY antibody in laying hens. Water-soluble fractions (WSF) of the specific IgY were isolated from egg yolk and purified by two-step precipitation with saturated ammonium sulfate salting. By Enzyme linked immunosorbent assay (ELISA), the titer of the IgY reached a peak at the 6th week post of immunization and had a strong stability at a wide range of temperature, pH, and pepsin enzyme digestion. The purified IgY was competent to neutralize and completely inhibited the RGNNV replication in the grouper fin cell line (GF-1), indicating that it was highly specific and effectively recognized RGNNV. The results will pave a new way for the prevention of RGNNV infection.
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Affiliation(s)
- Lizhu Yi
- Department of Aquatic Animal Medicine, College of Fisheries, Huazhong Agricultural University, Wuhan, Hubei, 430070, China; Guangdong Provincial Water Environment and Aquatic Products Security Engineering Technology Research Center, Guangzhou Key Laboratory of Aquatic Animal Diseases and Waterfowl Breeding, Guangdong Provincial Key Laboratory of Waterfowl Healthy Breeding, College of Animal Sciences and Technology, Zhongkai University of Agriculture and Engineering, Guangzhou, Guangdong, 510225, China
| | - Zhendong Qin
- Department of Aquatic Animal Medicine, College of Fisheries, Huazhong Agricultural University, Wuhan, Hubei, 430070, China; Guangdong Provincial Water Environment and Aquatic Products Security Engineering Technology Research Center, Guangzhou Key Laboratory of Aquatic Animal Diseases and Waterfowl Breeding, Guangdong Provincial Key Laboratory of Waterfowl Healthy Breeding, College of Animal Sciences and Technology, Zhongkai University of Agriculture and Engineering, Guangzhou, Guangdong, 510225, China
| | - Hanzuo Lin
- Faculty of Arts, University of British Columbia, Vancouver, British Columbia, V6T1W9, Canada
| | - Yang Zhou
- Department of Aquatic Animal Medicine, College of Fisheries, Huazhong Agricultural University, Wuhan, Hubei, 430070, China
| | - Jiabo Li
- Department of Aquatic Animal Medicine, College of Fisheries, Huazhong Agricultural University, Wuhan, Hubei, 430070, China
| | - Zhen Xu
- Department of Aquatic Animal Medicine, College of Fisheries, Huazhong Agricultural University, Wuhan, Hubei, 430070, China
| | - Sarath Babu V
- Guangdong Provincial Water Environment and Aquatic Products Security Engineering Technology Research Center, Guangzhou Key Laboratory of Aquatic Animal Diseases and Waterfowl Breeding, Guangdong Provincial Key Laboratory of Waterfowl Healthy Breeding, College of Animal Sciences and Technology, Zhongkai University of Agriculture and Engineering, Guangzhou, Guangdong, 510225, China.
| | - Li Lin
- Guangdong Provincial Water Environment and Aquatic Products Security Engineering Technology Research Center, Guangzhou Key Laboratory of Aquatic Animal Diseases and Waterfowl Breeding, Guangdong Provincial Key Laboratory of Waterfowl Healthy Breeding, College of Animal Sciences and Technology, Zhongkai University of Agriculture and Engineering, Guangzhou, Guangdong, 510225, China.
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13
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Molina-Cárdenas CA, Sánchez-Saavedra MDP. Inhibitory effect of benthic diatom species on three aquaculture pathogenic vibrios. ALGAL RES 2017. [DOI: 10.1016/j.algal.2017.09.004] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
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14
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Rajan B, Løkka G, Koppang EO, Austbø L. Passive Immunization of Farmed Fish. THE JOURNAL OF IMMUNOLOGY 2017; 198:4195-4202. [DOI: 10.4049/jimmunol.1700154] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/30/2017] [Accepted: 03/16/2017] [Indexed: 11/19/2022]
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15
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Zorriehzah MJ, Tiwari R, Sachan S, Karthik K, Malik YS, Dadar M, Sarwar M, Sayab M, Dhama K. Avian Egg Yolk Antibodies (IgY) and their Potential Therapeutic
Applications for Countering Infectious Diseases of Fish and
Aquatic Animals. INT J PHARMACOL 2016. [DOI: 10.3923/ijp.2016.760.768] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
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16
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Gao X, Zhang X, Sun J, Du X, Li X, Zhang Y, Lin L. Passive protection effect of anti-Vibrio anguillarum IgY-encapsulated feed on half-smooth tongue sole (Cynoglossus semilaevi) against V. anguillarum. FISH & SHELLFISH IMMUNOLOGY 2016; 56:483-488. [PMID: 27495124 DOI: 10.1016/j.fsi.2016.07.041] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/18/2016] [Revised: 06/28/2016] [Accepted: 07/31/2016] [Indexed: 05/21/2023]
Abstract
Vibrio anguillarum is one of the most harmful pathogens associated with hemorrhage septicemia syndrome in the half-smooth tongue sole (C. semilaevis) due to its high virulence. In this study, we attempted to treat half-smooth tongue sole with anti-V. anguillarum egg yolk powder to elicit a passive immunity directly against V. anguillarum infection. Anti-V. anguillarum IgY was β-cyclodextrin encapsulated in egg yolk powders as feed, which could avoid antibody inactivation in the gastrointestinal tract of half-smooth tongue sole. The IgY had an inhibiting effect on the infection of V. anguillarum in vitro. The survival rate of half-smooth tongue sole fed with basal diet containing 15% anti-V. anguillarum egg yolk powder was 70% after 7 days post-V. anguillarum challenge (10(7) CFU), which was significantly higher than those fed without anti-V. anguillarum egg yolk powder. As well, the bacterial burden in blood, liver, spleen and kidney was significantly lower in half-smooth tongue sole fed with specific IgY than those fed with non-specific IgY. These results suggested that pathogen-specific IgY may provide a valuable treatment for vibriosis infection and can be a promising food additive.
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Affiliation(s)
- Xiaojian Gao
- College of Animal Science and Technology, Yangzhou University, Yangzhou, 225009, China; College of Ocean, Huaihai Institute of Technology, Lianyungang, 222005, China
| | - Xiaojun Zhang
- College of Animal Science and Technology, Yangzhou University, Yangzhou, 225009, China.
| | - Jingjing Sun
- College of Animal Science and Technology, Yangzhou University, Yangzhou, 225009, China; College of Ocean, Huaihai Institute of Technology, Lianyungang, 222005, China
| | - Xuedi Du
- College of Animal Science and Technology, Yangzhou University, Yangzhou, 225009, China
| | - Xiumei Li
- College of Animal Science and Technology, Yangzhou University, Yangzhou, 225009, China
| | - Yue Zhang
- College of Animal Science and Technology, Yangzhou University, Yangzhou, 225009, China
| | - Li Lin
- Department of Aquatic Animal Medicine, College of Fisheries, Huazhong Agricultural University, Wuhan, 430070, China; College of Marine Sciences, South China Normal University, Guangzhou, Guangdong, 510642, China.
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17
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Gao X, Zhang X, Lin L, Yao D, Sun J, Du X, Li X, Zhang Y. Passive Immune-Protection of Litopenaeus vannamei against Vibrio harveyi and Vibrio parahaemolyticus Infections with Anti-Vibrio Egg Yolk (IgY)-Encapsulated Feed. Int J Mol Sci 2016; 17:E723. [PMID: 27196895 PMCID: PMC4881545 DOI: 10.3390/ijms17050723] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/07/2016] [Revised: 05/03/2016] [Accepted: 05/05/2016] [Indexed: 02/07/2023] Open
Abstract
Vibrio spp. are major causes of mortality in white shrimp (Litopenaeus vannamei) which is lacking adaptive immunity. Passive immunization with a specific egg yolk antibody (IgY) is a potential method for the protection of shrimp against vibriosis. In this study, immune effects of the specific egg yolk powders (IgY) against both V. harveyi and V. parahaemolyticus on white shrimp were evaluated. The egg yolk powders against V. harveyi and V. parahaemolyticus for passive immunization of white shrimp were prepared, while a tube agglutination assay and an indirect enzyme-linked immunosorbent assay (ELISA) were used for detection of IgY titer. Anti-Vibrio egg yolk was encapsulated by β-cyclodextrin, which could keep the activity of the antibody in the gastrointestinal tract of shrimp. The results showed that the anti-Vibrio egg powders had an inhibiting effect on V. harveyi and V. parahaemolyticus in vitro. Lower mortality of infected zoeae, mysis, and postlarva was observed in groups fed with anti-Vibrio egg powders, compared with those fed with normal egg powders. The bacterial load in postlarva fed with specific egg powders in seeding ponds was significantly lower than those fed with normal egg powders in seeding ponds. These results show that passive immunization by oral administration with specific egg yolk powders (IgY) may provide a valuable protection of vibrio infections in white shrimp.
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Affiliation(s)
- Xiaojian Gao
- College of Animal Science and Technology, Yangzhou University, Yangzhou 225009, China.
- College of Ocean, Huaihai Institute of Technology, Lianyungang 222005, China.
| | - Xiaojun Zhang
- College of Animal Science and Technology, Yangzhou University, Yangzhou 225009, China.
| | - Li Lin
- Department of Aquatic Animal Medicine, College of Fisheries, Huazhong Agricultural University, Wuhan 430070, China.
| | - Dongrui Yao
- Institute of Botany Jiangsu Province and Chinese Academy Sciences, Nanjing 210014, China.
| | - Jingjing Sun
- College of Animal Science and Technology, Yangzhou University, Yangzhou 225009, China.
- College of Ocean, Huaihai Institute of Technology, Lianyungang 222005, China.
| | - Xuedi Du
- College of Animal Science and Technology, Yangzhou University, Yangzhou 225009, China.
| | - Xiumei Li
- College of Animal Science and Technology, Yangzhou University, Yangzhou 225009, China.
| | - Yue Zhang
- College of Animal Science and Technology, Yangzhou University, Yangzhou 225009, China.
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18
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Hedegaard CJ, Heegaard PMH. Passive immunisation, an old idea revisited: Basic principles and application to modern animal production systems. Vet Immunol Immunopathol 2016; 174:50-63. [PMID: 27185263 PMCID: PMC7127230 DOI: 10.1016/j.vetimm.2016.04.007] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2015] [Revised: 04/11/2016] [Accepted: 04/13/2016] [Indexed: 12/19/2022]
Abstract
Immunisation by administration of antibodies (immunoglobulins) has been known for more than one hundred years as a very efficient means of obtaining immediate, short-lived protection against infection and/or against the disease-causing effects of toxins from microbial pathogens and from other sources. Thus, due to its rapid action, passive immunisation is often used to treat disease caused by infection and/or toxin exposure. However immunoglobulins may also be administered prior to exposure to infection and/or toxin, although they will not provide long-lasting protection as is seen with active immunisation (vaccination) in which an immunological memory is established by controlled exposure of the host to the pathogen in question. With multi-factorial infectious diseases in production animals, especially those that have proven hard to control by vaccination, the potential of passive immunisation remains big. This review highlights a number of examples on the use of passive immunisation for the control of infectious disease in the modern production of a range of animals, including pigs, cattle, sheep, goat, poultry and fish. Special emphasis is given on the enablement of passive immunisation strategies in these production systems through low cost and ease of use as well as on the sources, composition and purity of immunoglobulin preparations used and their benefits as compared to current measures, including vaccination (also comprising maternal vaccination), antibiotics and feed additives such as spray-dried plasma. It is concluded that provided highly efficient, relatively low-price immunoglobulin products are available, passive immunisation has a clear role in the modern animal production sector as a means of controlling infectious diseases, importantly with a very low risk of causing development of bacterial resistance, thus constituting a real and widely applicable alternative to antibiotics.
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Affiliation(s)
- Chris J Hedegaard
- National Veterinary Institute, Technical University of Denmark, Section for Immunology and Vaccinology, The innate immunology Group, Denmark.
| | - Peter M H Heegaard
- National Veterinary Institute, Technical University of Denmark, Section for Immunology and Vaccinology, The innate immunology Group, Denmark
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19
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Li X, Jing K, Wang X, Li Y, Zhang M, Li Z, Xu L, Wang L, Xu Y. Protective effects of chicken egg yolk antibody (IgY) against experimental Vibrio splendidus infection in the sea cucumber (Apostichopus japonicus). FISH & SHELLFISH IMMUNOLOGY 2016; 48:105-111. [PMID: 26592708 DOI: 10.1016/j.fsi.2015.11.024] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/20/2015] [Revised: 11/12/2015] [Accepted: 11/18/2015] [Indexed: 06/05/2023]
Abstract
Vibrio splendidus is one of the most harmful pathogens associated with skin ulceration syndrome in the sea cucumber (Apostichopus japonicus) due to its high virulence and frequency of appearance. The objective of this study was to determine the effectiveness of chicken egg yolk antibody (IgY) against V. splendidus infection in the sea cucumber. Whole V. splendidus cells were used as an immunogen to immunize 20 White Leghorn hens (25 weeks old). IgY was produced from egg yolks obtained from these immunized hens using water dilution, two-step salt precipitation and ultrafiltration. The purity of the IgY produced was approximately 83%. Enzyme-linked Immunosorbent Assay indicated a high specificity for IgY with a maximum antibody titer of 320,000. The growth of V. splendidus in liquid medium was significantly inhibited by IgY in a dose-dependent manner at concentrations ranging from 1 to 10 mg/mL. The protective effects of IgY were evaluated in sea cucumber by intraperitoneally injecting anti-V. splendidus IgY antibodies (10 mg/mL) or immersing the sea cucumber in aqueous IgY (1 g/L) after an intraperitoneal injection of V. splendidus. Intraperitoneal injection resulted in an 80% survival while immersion resulted in a 75% survival during the 11-day experimental period. The survival rates were significantly higher than the positive control and the non-specific IgY group (P < 0.05). As well, the bacterial burden in the respiratory tree, intestine and coelomic liquid was significantly (P < 0.05) lower in sea cucumber treated with specific IgY than those treated with non-specific IgY. The phagocytosis of coelomocytes for V. splendidus in the presence of specific IgY was significantly (P < 0.05) higher than that obtained with non-specific IgY or without IgY, suggesting that specific IgY enhanced phagocytic activity. The current work suggests that specific IgY has potential for protecting sea cucumbers against V. splendidus infection.
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Affiliation(s)
- Xiaoyu Li
- School of Life Science and Biotechnology, Dalian University of Technology, Dalian 116024, China; Ministry of Education Center for Food Safety of Animal Origin, Dalian 116620, China
| | - Kailin Jing
- School of Life Science and Biotechnology, Dalian University of Technology, Dalian 116024, China
| | - Xitao Wang
- School of Life Science and Biotechnology, Dalian University of Technology, Dalian 116024, China
| | - Yuan Li
- School of Life Science and Biotechnology, Dalian University of Technology, Dalian 116024, China
| | - Meixia Zhang
- School of Life Science and Biotechnology, Dalian University of Technology, Dalian 116024, China
| | - Zhen Li
- School of Life Science and Biotechnology, Dalian University of Technology, Dalian 116024, China
| | - Le Xu
- School of Life Science and Biotechnology, Dalian University of Technology, Dalian 116024, China
| | - Lili Wang
- School of Life Science and Biotechnology, Dalian University of Technology, Dalian 116024, China; Ministry of Education Center for Food Safety of Animal Origin, Dalian 116620, China
| | - Yongping Xu
- School of Life Science and Biotechnology, Dalian University of Technology, Dalian 116024, China; Ministry of Education Center for Food Safety of Animal Origin, Dalian 116620, China.
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20
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Gan H, He H, Sato A, Hatta H, Nakao M, Somamoto T. Ulcer disease prophylaxis in koi carp by bath immersion with chicken egg yolk containing anti-Aeromonas salmonicida IgY. Res Vet Sci 2015; 99:82-6. [PMID: 25687817 DOI: 10.1016/j.rvsc.2015.01.016] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/23/2014] [Revised: 01/06/2015] [Accepted: 01/25/2015] [Indexed: 02/02/2023]
Abstract
Ulcer disease, caused by atypical Aeromonas salmonicida, is a serious concern in ornamental koi carp, because it induces skin ulceration, disfiguring ornamental fish and causing economic loses. The present study aimed to establish a novel prophylaxis with chicken egg yolk immunoglobulin, IgY, against ulcer disease and to assess its feasibility in the ornamental fish industry. Addition of egg yolk powder containing anti-A. salmonicida IgY to rearing water provided significant protection against an A. salmonicida bath infection, whereas administration of non-specific IgY did not. Consecutive immersion of fish into rearing water containing specific IgY completely prevented ulcer disease resulting from cohabitation infection, indicating that this prophylaxis could prevent infection from such type of contact. Thus, passive immunization induced by immersing fish into aquarium water containing specific IgY is a prospective prophylaxis against diseases caused by pathogens that invade the skin and gills.
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Affiliation(s)
- Hongjian Gan
- Laboratory of Marine Biochemistry, Department of Bioscience and Biotechnology, Graduate School of Bioresource and Bioenvironmental Sciences, Kyushu University, Fukuoka 812-8581, Japan
| | - Haiwen He
- Laboratory of Marine Biochemistry, Department of Bioscience and Biotechnology, Graduate School of Bioresource and Bioenvironmental Sciences, Kyushu University, Fukuoka 812-8581, Japan
| | - Atsushi Sato
- Kyorin Co. Ltd., 9 Minami-machi, Himeji, Hyogo, Japan
| | - Hajime Hatta
- Department of Food and Nutrition, Kyoto Women's University, Kyoto, Japan
| | - Miki Nakao
- Laboratory of Marine Biochemistry, Department of Bioscience and Biotechnology, Graduate School of Bioresource and Bioenvironmental Sciences, Kyushu University, Fukuoka 812-8581, Japan
| | - Tomonori Somamoto
- Laboratory of Marine Biochemistry, Department of Bioscience and Biotechnology, Graduate School of Bioresource and Bioenvironmental Sciences, Kyushu University, Fukuoka 812-8581, Japan.
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21
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García-Bueno N, Decottignies P, Turpin V, Dumay J, Paillard C, Stiger-Pouvreau V, Kervarec N, Pouchus YF, Marín-Atucha AA, Fleurence J. Seasonal antibacterial activity of two red seaweeds,PalmariapalmataandGrateloupia turuturu, on European abalone pathogenVibrio harveyi. AQUATIC LIVING RESOURCES 2014. [DOI: 10.1051/alr/2014009] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
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22
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Li CH, Lu XJ, Li DF, Chen J. Passive protective effect of chicken egg yolk immunoglobulins against experimental Vibrio anguillarum infection in ayu (Plecoglossus altivelis). FISH & SHELLFISH IMMUNOLOGY 2014; 37:108-114. [PMID: 24486630 DOI: 10.1016/j.fsi.2014.01.018] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/19/2013] [Revised: 01/21/2014] [Accepted: 01/21/2014] [Indexed: 06/03/2023]
Abstract
Oral administration of chicken egg yolk immunoglobulins (IgY) has attracted much attention as a means for controlling infectious diseases caused by microorganisms. This study evaluated the protective effect of IgY against Vibrio anguillarum infection in ayu, Plecoglossus altivelis. IgY was isolated from egg yolks laid by hens initially immunized with formalin-inactivated V. anguillarum. Lower mortality of ayu was observed in groups treated with anti-V. anguillarum IgY (aVIgY), compared with those treated with saline or with nonspecific IgY (nspIgY). All fish in saline-treated groups died within seven days after bacterial inoculation. The bacterial load in blood, liver, and spleen was significantly lower in fish treated with aVIgY than in fish treated with nspIgY. aVIgY treatment significantly reduced tumor necrosis factor-α (PaTNF-α), interleukin-1β (PaIL-1β), transforming growth factor-β (PaTGF-β), and leukocyte cell-derived chemotaxin-2 (PaLECT2) transcript levels in the head kidney, spleen, and liver of ayu challenged by V. anguillarum, compared with nspIgY treatment. The phagocytic activity of macrophages for V. anguillarum in the presence of specific IgY was significantly higher than that seen for nonspecific IgY. These results suggest that passive immunization by oral intubation with pathogen-specific IgY may provide a valuable treatment for V. anguillarum infection in ayu.
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Affiliation(s)
- Chang-Hong Li
- Laboratory of Biochemistry and Molecular Biology, School of Marine Sciences, Ningbo University, Ningbo 315211, China
| | - Xin-Jiang Lu
- Laboratory of Biochemistry and Molecular Biology, School of Marine Sciences, Ningbo University, Ningbo 315211, China
| | - Deng-Feng Li
- Laboratory of Biochemistry and Molecular Biology, School of Marine Sciences, Ningbo University, Ningbo 315211, China
| | - Jiong Chen
- Laboratory of Biochemistry and Molecular Biology, School of Marine Sciences, Ningbo University, Ningbo 315211, China.
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23
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Wu X, Zhao S, Zhang J, Wu P, Peng C. Encapsulation of EV71-specific IgY antibodies by multilayer polypeptide microcapsules and its sustained release for inhibiting enterovirus 71 replication. RSC Adv 2014. [DOI: 10.1039/c3ra46943c] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
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Liu XF, Zhang H, Liu X, Gong Y, Chen Y, Cao Y, Hu C. Pathogenic analysis of Vibrio alginolyticus infection in a mouse model. Folia Microbiol (Praha) 2013; 59:167-71. [DOI: 10.1007/s12223-013-0279-x] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/16/2013] [Accepted: 09/13/2013] [Indexed: 10/26/2022]
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25
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Bai R, You W, Chen J, Huang H, Ke C. Molecular cloning and expression analysis of GABA(A) receptor-associated protein (GABARAP) from small abalone, Haliotis diversicolor. FISH & SHELLFISH IMMUNOLOGY 2012; 33:675-682. [PMID: 22771962 DOI: 10.1016/j.fsi.2012.05.003] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/13/2011] [Revised: 04/03/2012] [Accepted: 05/07/2012] [Indexed: 06/01/2023]
Abstract
GABA(A) receptor-associated protein (GABARAP), a multifunctional protein participating in autophagy process, is evolutionarily conserved and involves in innate immunity in eukaryotic cells, but currently there is no research on the relationship between GABARAP and innate immunity in mollusc. In the present study, the GABARAP full-length cDNA and its genomic DNA were firstly cloned from small abalone (Haliotis diversicolor), which was named as saGABARAP. Its full-length cDNA is 963 bp with a 354 bp open reading frame encoding a protein of 117 aa, a 276 bp 5'-UTR, and a 333 bp 3'-UTR including a poly(A) tail, two typical polyadenylation signals (AATAA) and two RNA instability motifs (ATTTA). The deduced protein has an estimated molecular weight of 13.9 kDa and a predicted PI of 8.73. Its genomic DNA comprises 4352 bp, containing three exons and two introns. Quantitative real-time PCR analysis revealed that saGABARAP was constitutively expressed in all examined tissues, with the highest expression level in hepatopancreas, and was upregulated in hepatopancreas and hemocytes after bacterial challenge. In addition, saGABARAP was ubiquitously expressed at all examined embryonic and larval development stages. These results suggested that saGABARAP could respond to bacteria challenge and may play a vital role in the adult innate immune system against pathogens and the development process of abalone embryo and larvae.
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Affiliation(s)
- Rongyao Bai
- Department of Biochemistry and Biotechnology, School of Life Sciences, Xiamen University, Xiamen 361005, China
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26
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Malekshahi ZV, Gargari SLM, Rasooli I, Ebrahimizadeh W. Treatment of Helicobacter pylori infection in mice with oral administration of egg yolk-driven anti-UreC immunoglobulin. Microb Pathog 2011; 51:366-72. [PMID: 21803146 DOI: 10.1016/j.micpath.2011.06.002] [Citation(s) in RCA: 34] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2011] [Revised: 05/30/2011] [Accepted: 06/02/2011] [Indexed: 12/15/2022]
Abstract
BACKGROUND Helicobacter pylori, the causative agent of gastritis and gastric ulcer, plays a crucial role in development of gastric carcinomas. Antibiotic therapy fails in almost 20% of cases due to development of antibiotic resistance. Development of antibodies against specific H. pylori targets could have significant therapeutic effect. In the present research attempts have been made to study the effect of IgY purified from egg yolk of hens immunized with recombinant UreC in treatment of mice infected with H. pylori. MATERIALS AND METHODS Purified IgY-HpUc was used in two forms: powdered and PBS dissolved. 10(9) bacteria in BHI were orally administered to C57BL6/j mice three times on alternate day intervals. Eight weeks after the last inoculation, the serum was assayed for infection rate by ELISA. The severity of gastritis was analyzed histopathologically. Infected mice were randomly divided into three groups. Groups one and two were treated with dietary IgY-HpUc and IgY-HpUc dissolved in PBS respectively for 28 days. The untreated group served as control. RESULTS Serology and histopathology confirmed the establishment of the infection. Indirect ELISA results in the treated animals showed considerable reduction of H. pylori specific antibodies in their sera. Pathological examination of gastric mucosa of infected mice treated with IgY-HpUc showed considerable reduction of inflammation in the stomach tissues. The bacterial presence on mucosal layer of the stomach was considerably reduced. CONCLUSIONS UreC-induced IgY is specifically successful in inhibition of H. pylori infection and could be an alternative to antibiotic treatment.
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Affiliation(s)
- Ziba V Malekshahi
- Department of Biology, Faculty of Science, Shahed University, Tehran, Iran
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