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Zhang Y, Liu B, Said A, Xie J, Tian F, Cao Z, Chao Z, Li F, Li X, Li S, Liu H, Wang W. Regulatory functional role of NLRP3 inflammasome during Mycoplasma hyopneumoniae infection in swine. J Anim Sci 2023; 101:skad216. [PMID: 37351955 PMCID: PMC10406421 DOI: 10.1093/jas/skad216] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2023] [Accepted: 06/21/2023] [Indexed: 06/24/2023] Open
Abstract
Mycoplasma hyopneumoniae causes enzootic pneumonia, a highly contagious respiratory disease in swine that causes significant economic losses worldwide. It is unknown whether the nucleotide oligomerization domain-like receptor (NLR) family pyrin domain containing 3 (NLRP3) inflammasome regulates the immune response in swine during M. hyopneumoniae infection. The current study utilized an in vivo swine model of M. hyopneumoniae infection to investigate the regulatory functional role of the NLRP3 inflammasome during M. hyopneumoniae infection. Notable histopathological alterations were observed in M. hyopneumoniae-infected swine tissues, which were associated with an inflammatory response and disease progression. Swine M. hyopneumoniae infection was associated with an increase in the expression of the NLRP3 inflammasome, which stimulated pro-inflammatory cytokines such as tumor necrosis factor-alpha, interleukin 18, and interleukin 1 beta (IL-1β). The impact of the NLRP3 inhibitor, MCC950 on NLRP3 and pro-inflammatory cytokines in M. hyopneumoniae-infected swine was examined to investigate the relationship between the NLRP3 inflammasome and M. hyopneumoniae infection. Taken together, our findings provide strong evidence that the NLRP3 inflammasome plays a critical regulatory functional role in M. hyopneumoniae infection in swine.
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Affiliation(s)
- Yan Zhang
- Institute of Animal Science and Veterinary Medicine, Hainan Academy of Agricultural Sciences, Haikou 571100, China
- Key Laboratory of Tropical Animal Breeding and Disease Research, Haikou 571100, China
| | - Bo Liu
- Shandong Binzhou Animal Science and Veterinary Medicine Academy, Binzhou 256600, China
- Lvdu Bio-Sciences &Technology Co. Ltd., Binzhou 256600, Shandong, China
| | - Abdelrahman Said
- Genetics and Genome Biology Program, The Hospital for Sick Children, Toronto, ON, Canada
- Parasitology and Animal Diseases Department, National Research Center, Dokki, Giza, Egypt
| | - Jinwen Xie
- Shandong Binzhou Animal Science and Veterinary Medicine Academy, Binzhou 256600, China
| | - Fengrong Tian
- Shandong Binzhou Animal Science and Veterinary Medicine Academy, Binzhou 256600, China
| | - Zongxi Cao
- Institute of Animal Science and Veterinary Medicine, Hainan Academy of Agricultural Sciences, Haikou 571100, China
- Key Laboratory of Tropical Animal Breeding and Disease Research, Haikou 571100, China
| | - Zhe Chao
- Institute of Animal Science and Veterinary Medicine, Hainan Academy of Agricultural Sciences, Haikou 571100, China
- Key Laboratory of Tropical Animal Breeding and Disease Research, Haikou 571100, China
| | - Feng Li
- Shandong Binzhou Animal Science and Veterinary Medicine Academy, Binzhou 256600, China
- Shandong Academician Workstation, Binzhou 256600, Shandong, China
| | - Xin Li
- Xinjiang Agricultural University, Wulumuqi, Xinjiang, China
| | - Shuguang Li
- Shandong Binzhou Animal Science and Veterinary Medicine Academy, Binzhou 256600, China
| | - Hailong Liu
- Institute of Animal Science and Veterinary Medicine, Hainan Academy of Agricultural Sciences, Haikou 571100, China
- Key Laboratory of Tropical Animal Breeding and Disease Research, Haikou 571100, China
| | - Wenxiu Wang
- Shandong Binzhou Animal Science and Veterinary Medicine Academy, Binzhou 256600, China
- Shandong Academician Workstation, Binzhou 256600, Shandong, China
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Xu L, Hao F, Wang J, Feng Z, Zhang L, Yuan T, Chen R, Zhang Z, Shao G, Xiong Q, Lin J, Xie X, Liu Y. Th1 and Th17 mucosal immune responses elicited by nasally inoculation in mice with virulence factors of Mycoplasma hyopneumoniae. Microb Pathog 2022; 172:105779. [PMID: 36116609 DOI: 10.1016/j.micpath.2022.105779] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2022] [Revised: 09/08/2022] [Accepted: 09/10/2022] [Indexed: 11/25/2022]
Abstract
Nicotinamide Adenine Dinucleotide-Dependent (NADH) flavin oxidoreductase and NADH oxidase (NOX) are important virulence factors of Mycoplasma hyopneumoniae (Mhp), which are devoted to the function of adhesion, oxidative stress damage and apoptosis to host cells in our previous studies. Here, immune responses of NADH flavin oxidoreductase (NFOR) and NOX in mice and immune efficacy inoculated with intramuscular (IM), intranasal (IN), intramuscular unite intranasal (IM + IN) approaches were evaluated and compared. Cellular immunity levels, systemic immune and local mucosal immune responses were investigated by indirect enzyme-linked immunosorbent assay (iELISA) and quantitative reverse transcription PCR (qRT-PCR). Mice inoculated with NFOR and NOX by IM and IN or IM + IN could induce obvious secretion of specific immunoglobulin G (IgG) and secretory immunoglobulin A antibodies (sIgA) compared to those in negative control group. IM + IN inoculation resulted in systemic and local mucosal immune responses that were strongly produced. Moreover, Mhp NFOR and NOX could activate local mucosal immune responses mediated by Th1 and Th17 cells by IN. Our finding supported the notion that IM + IN was an effective immunization route for Mhp, which lays a foundation for more effective prevention of Mhp, and provides theoretical basis for the development of new subunit vaccines of Mhp.
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Affiliation(s)
- Lulu Xu
- Joint International Research Laboratory of Animal Health and Food Safety, College of Veterinary Medicine, Nanjing Agricultural University, Nanjing, 210095, PR China; Key Laboratory for Veterinary Bio-Product Engineering, Ministry of Agriculture and Rural Affairs, Institute of Veterinary Medicine, Jiangsu Academy of Agricultural Sciences, Nanjing, 210014, PR China
| | - Fei Hao
- Key Laboratory for Veterinary Bio-Product Engineering, Ministry of Agriculture and Rural Affairs, Institute of Veterinary Medicine, Jiangsu Academy of Agricultural Sciences, Nanjing, 210014, PR China; Discipline of Microbiology, School of Life Sciences, College of Agriculture, Engineering and Science, University of KwaZulu-Natal (Westville Campus), Private Bag X 54001, Durban, 4000, South Africa
| | - Jingjing Wang
- Joint International Research Laboratory of Animal Health and Food Safety, College of Veterinary Medicine, Nanjing Agricultural University, Nanjing, 210095, PR China; Key Laboratory for Veterinary Bio-Product Engineering, Ministry of Agriculture and Rural Affairs, Institute of Veterinary Medicine, Jiangsu Academy of Agricultural Sciences, Nanjing, 210014, PR China
| | - Zhixin Feng
- Key Laboratory for Veterinary Bio-Product Engineering, Ministry of Agriculture and Rural Affairs, Institute of Veterinary Medicine, Jiangsu Academy of Agricultural Sciences, Nanjing, 210014, PR China
| | - Lei Zhang
- Key Laboratory for Veterinary Bio-Product Engineering, Ministry of Agriculture and Rural Affairs, Institute of Veterinary Medicine, Jiangsu Academy of Agricultural Sciences, Nanjing, 210014, PR China
| | - Ting Yuan
- Key Laboratory for Veterinary Bio-Product Engineering, Ministry of Agriculture and Rural Affairs, Institute of Veterinary Medicine, Jiangsu Academy of Agricultural Sciences, Nanjing, 210014, PR China
| | - Rong Chen
- Key Laboratory for Veterinary Bio-Product Engineering, Ministry of Agriculture and Rural Affairs, Institute of Veterinary Medicine, Jiangsu Academy of Agricultural Sciences, Nanjing, 210014, PR China
| | - Zhenzhen Zhang
- Key Laboratory for Veterinary Bio-Product Engineering, Ministry of Agriculture and Rural Affairs, Institute of Veterinary Medicine, Jiangsu Academy of Agricultural Sciences, Nanjing, 210014, PR China
| | - Guoqing Shao
- Key Laboratory for Veterinary Bio-Product Engineering, Ministry of Agriculture and Rural Affairs, Institute of Veterinary Medicine, Jiangsu Academy of Agricultural Sciences, Nanjing, 210014, PR China
| | - Qiyan Xiong
- Key Laboratory for Veterinary Bio-Product Engineering, Ministry of Agriculture and Rural Affairs, Institute of Veterinary Medicine, Jiangsu Academy of Agricultural Sciences, Nanjing, 210014, PR China
| | - Johnson Lin
- Discipline of Microbiology, School of Life Sciences, College of Agriculture, Engineering and Science, University of KwaZulu-Natal (Westville Campus), Private Bag X 54001, Durban, 4000, South Africa
| | - Xing Xie
- Joint International Research Laboratory of Animal Health and Food Safety, College of Veterinary Medicine, Nanjing Agricultural University, Nanjing, 210095, PR China; Key Laboratory for Veterinary Bio-Product Engineering, Ministry of Agriculture and Rural Affairs, Institute of Veterinary Medicine, Jiangsu Academy of Agricultural Sciences, Nanjing, 210014, PR China.
| | - Yongjie Liu
- Joint International Research Laboratory of Animal Health and Food Safety, College of Veterinary Medicine, Nanjing Agricultural University, Nanjing, 210095, PR China.
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Garcia-Morante B, Maes D, Sibila M, Betlach AM, Sponheim A, Canturri A, Pieters M. Improving Mycoplasma hyopneumoniae diagnostic capabilities by harnessing the infection dynamics. Vet J 2022; 288:105877. [PMID: 35901923 DOI: 10.1016/j.tvjl.2022.105877] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/08/2021] [Revised: 07/15/2022] [Accepted: 07/23/2022] [Indexed: 11/17/2022]
Abstract
Mycoplasma hyopneumoniae remains one of the most problematic bacterial pathogens for pig production. Despite an abundance of observational and laboratory testing capabilities for this organism, diagnostic interpretation of test results can be challenging and ambiguous. This is partly explained by the chronic nature of M. hyopneumoniae infection and its tropism for lower respiratory tract epithelium, which affects diagnostic sensitivities associated with sampling location and stage of infection. A thorough knowledge of the available tools for routine M. hyopneumoniae diagnostic testing, together with a detailed understanding of infection dynamics, are essential for optimizing sampling strategies and providing confidence in the diagnostic process. This study reviewed known information on sampling and diagnostic tools for M. hyopneumoniae and summarized literature reports of the dynamics of key infection outcomes, including clinical signs, lung lesions, pathogen detection, and humoral immune responses. Such knowledge could facilitate better understanding of the performance of different diagnostic approaches at various stages of infection.
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Affiliation(s)
- Beatriz Garcia-Morante
- Department of Veterinary Population Medicine, College of Veterinary Medicine, University of Minnesota, 1365 Gortner Ave, St. Paul, MN 55108, USA; IRTA, Centre de Recerca en Sanitat Animal (CReSA, IRTA-UAB), Campus de la Universitat Autònoma de Barcelona, 08193 Bellaterra, Spain
| | - Dominiek Maes
- Department of Reproduction, Obstetrics and Herd Health, Faculty of Veterinary Medicine, Unit Porcine Health Management, Ghent University, Salisburylaan, 133 B-9820 Merelbeke, Belgium
| | - Marina Sibila
- IRTA, Centre de Recerca en Sanitat Animal (CReSA, IRTA-UAB), Campus de la Universitat Autònoma de Barcelona, 08193 Bellaterra, Spain
| | - Alyssa M Betlach
- Department of Veterinary Population Medicine, College of Veterinary Medicine, University of Minnesota, 1365 Gortner Ave, St. Paul, MN 55108, USA; Swine Vet Center, 1608 S Minnesota Ave, St. Peter, MN 56082, USA
| | - Amanda Sponheim
- Department of Veterinary Population Medicine, College of Veterinary Medicine, University of Minnesota, 1365 Gortner Ave, St. Paul, MN 55108, USA; Boehringer Ingelheim Animal Health USA Inc., 3239 Satellite Blvd NW, Duluth, GA 30096, USA
| | - Albert Canturri
- Department of Veterinary Population Medicine, College of Veterinary Medicine, University of Minnesota, 1365 Gortner Ave, St. Paul, MN 55108, USA
| | - Maria Pieters
- Department of Veterinary Population Medicine, College of Veterinary Medicine, University of Minnesota, 1365 Gortner Ave, St. Paul, MN 55108, USA; Veterinary Diagnostic Laboratory, College of Veterinary Medicine, University of Minnesota, 1333 Gortner Ave, St Paul, 55108 MN, USA; Swine Disease Eradication Center, College of Veterinary Medicine, University of Minnesota, 1988 Fitch Ave, St. Paul, MN 55108, USA.
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Höltig D, Reiner G. [Opportunities and risks of the use of genetic resistances to infectious diseases in pigs - an overview]. Tierarztl Prax Ausg G Grosstiere Nutztiere 2022; 50:46-58. [PMID: 35235982 DOI: 10.1055/a-1751-3531] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
Abstract
Demands for health, performance and welfare in pigs, as well as the desire for consumer protection and reduced antibiotic use, require optimal measures in advance of disease development. This includes, in principle, the use of genetically more resistant lines and breeding animals, whose existence has been proven for a wide range of pathogen-host interactions. In addition, attempts are being made to identify the gene variants responsible for disease resistance in order to force the selection of suitable populations, also using modern biotechnical technics. The present work is intended to provide an overview of the research status achieved in this context and to highlight opportunities and risks for the future.The evaluation of the international literature shows that genetic disease resistance exist in many areas of swine diseases. However, polygenic inheritance, lack of animal models and the influence of environmental factors during evaluation render their implementation in practical breeding programs demanding. This is where modern molecular genetic methods, such as Gene Editing, come into play. Both approaches possess their pros and cons, which are discussed in this paper. The most important infectious diseases in pigs, including general diseases and epizootics, diseases of the respiratory and digestive tract and diseases of the immune system are taken into account.
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Affiliation(s)
- Doris Höltig
- Klinik für kleine Klauentiere, forensische Medizin und Ambulatorische Klinik, Stiftung Tierärztliche Hochschule Hannover
| | - Gerald Reiner
- Klinikum Veterinärmedizin, Justus-Liebig-Universität
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Albernaz-Gonçalves R, Olmos Antillón G, Hötzel MJ. Linking Animal Welfare and Antibiotic Use in Pig Farming-A Review. Animals (Basel) 2022; 12:216. [PMID: 35049838 PMCID: PMC8773261 DOI: 10.3390/ani12020216] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/15/2021] [Revised: 01/09/2022] [Accepted: 01/12/2022] [Indexed: 12/16/2022] Open
Abstract
Preventative measures, such as biosecurity and vaccinations, are essential but not sufficient to ensure high standards of health in pig production systems. Restrictive, barren housing and many widely used management practices that cause pain and stress predispose high-performance pigs reared in intensive systems to disease. In this context, antibiotics are used as part of the infrastructure that sustains health and high levels of production in pig farms. Antimicrobial resistance (AMR) is a global emergency affecting human and animal health, and the use of antibiotics (AMU) in intensive livestock farming is considered an important risk factor for the emergence and spread of resistant bacteria from animals to humans. Tackling the issue of AMR demands profound changes in AMU, e.g., reducing their use for prophylaxis and ending it for growth promotion. In support of such recommendations, we revise the link between animal welfare and AMU and argue that it is crucial to sustainably reduce AMU while ensuring that pigs can live happy lives. In support of such recommendations, we aimed to revise the link between animal welfare and AMU in pigs by analysing stress factors related to housing and management and their impact on pig welfare. In particular, we reviewed critical management practices that increase stress and, therefore, pigs' susceptibility to disease and reduce the quality of life of pigs. We also reviewed some alternatives that can be adopted in pig farms to improve animal welfare and that go beyond the reduction in stress. By minimising environmental and management stressors, pigs can become more immunocompetent and prepared to overcome pathogenic challenges. This outcome can contribute to reducing AMU and the risk of AMR while simultaneously improving the quality of life of pigs and, ultimately, maintaining the pig industry's social license.
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Affiliation(s)
- Rita Albernaz-Gonçalves
- Campus Santa Rosa do Sul, Instituto Federal Catarinense, Santa Rosa do Sul 88965-000, SC, Brazil;
- Laboratório de Etologia Aplicada e Bem-Estar Animal, Universidade Federal de Santa Catarina, Rod. Admar Gonzaga 1346, Itacorubi, Florianópolis 88034-001, SC, Brazil
| | - Gabriela Olmos Antillón
- Department of Clinical Sciences, Swedish University of Agricultural Sciences, 75007 Uppsala, Sweden;
| | - Maria José Hötzel
- Laboratório de Etologia Aplicada e Bem-Estar Animal, Universidade Federal de Santa Catarina, Rod. Admar Gonzaga 1346, Itacorubi, Florianópolis 88034-001, SC, Brazil
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Martelli P, Saleri R, Andrani M, Cavalli V, De Angelis E, Ferrari L, Borghetti P. Immune B cell responsiveness to single-dose intradermal vaccination against Mycoplasma hyopneumoniae. Res Vet Sci 2021; 141:66-75. [PMID: 34688042 DOI: 10.1016/j.rvsc.2021.10.006] [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: 06/29/2021] [Revised: 09/21/2021] [Accepted: 10/05/2021] [Indexed: 10/20/2022]
Abstract
Mycoplasma hyopneumoniae is a major pathogen affecting pig herds and vaccination is the most utilized approach, despite providing partial protection. Age at vaccination, the delivery route, and vaccination protocol can influence vaccine efficacy. The influence of age and the presence of maternally-derived antibodies at vaccination on single-dose needle-less intradermal (ID) administration of an inactivated bacterin-based vaccine (Porcilis® M Hyo ID Once) were assessed in conventional pigs under field conditions. The induction of IgA+ and IgG+ B cell responses and the expression of the activation markers TLR2, TLR7, CCR9, and CCR10 were determined in PBMC. Vaccination at 4 weeks efficiently elicited an anamnestic antibody response associated with TLR2 and TLR7 upregulation. Although animals vaccinated at 1 week did not show seroconversion and a recall response upon infection, the responsiveness of Mycoplasma-recalled IgA+ B cells suggests the activation of mucosal immune cells after vaccination and infection. Vaccination at 1 week induced TLR2, TLR7, and CCR9 upregulation, suggesting the potential for systemic and local activation of immune cell trafficking between blood and target tissues. Vaccination at 4 weeks induced a CCR10 increase, suggesting that recalled IgA+ and IgG+ B cells can display an activated status upon infection. The antibody response after Mycoplasma infection in 4-week-old ID-vaccinated pigs was associated with TLR2 and CCR10 increases, confirming the potential use of this vaccination schedule for the safe and efficient delivery of single-dose M. hyopneumoniae vaccines. ID vaccination, especially at 4 weeks, was associated with a great degree of protection against enzootic pneumonia (EP)-like lung lesions.
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Affiliation(s)
- Paolo Martelli
- Department of Veterinary Science, University of Parma, Strada del Taglio, 10, Parma 43126, Italy.
| | - Roberta Saleri
- Department of Veterinary Science, University of Parma, Strada del Taglio, 10, Parma 43126, Italy.
| | - Melania Andrani
- Department of Veterinary Science, University of Parma, Strada del Taglio, 10, Parma 43126, Italy.
| | - Valeria Cavalli
- Department of Veterinary Science, University of Parma, Strada del Taglio, 10, Parma 43126, Italy.
| | - Elena De Angelis
- Department of Veterinary Science, University of Parma, Strada del Taglio, 10, Parma 43126, Italy.
| | - Luca Ferrari
- Department of Veterinary Science, University of Parma, Strada del Taglio, 10, Parma 43126, Italy.
| | - Paolo Borghetti
- Department of Veterinary Science, University of Parma, Strada del Taglio, 10, Parma 43126, Italy.
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Uemoto Y, Ichinoseki K, Matsumoto T, Oka N, Takamori H, Kadowaki H, Kojima-Shibata C, Suzuki E, Okamura T, Aso H, Kitazawa H, Satoh M, Uenishi H, Suzuki K. Genome-wide association studies for production, respiratory disease, and immune-related traits in Landrace pigs. Sci Rep 2021; 11:15823. [PMID: 34349215 PMCID: PMC8338966 DOI: 10.1038/s41598-021-95339-2] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2021] [Accepted: 07/23/2021] [Indexed: 02/07/2023] Open
Abstract
Identification of a quantitative trait locus (QTL) related to a chronic respiratory disease such as Mycoplasmal pneumonia of swine (MPS) and immune-related traits is important for the genetic improvement of disease resistance in pigs. The objective of this study was to detect a novel QTL for a total of 22 production, respiratory disease, and immune-related traits in Landrace pigs. A total of 874 Landrace purebred pigs, which were selected based on MPS resistance, were genotyped using the Illumina PorcineSNP60 BeadChip. We performed single nucleotide polymorphism (SNP)-based and haplotype-based genome-wide association studies (GWAS) to detect a novel QTL and to evaluate the possibility of a pleiotropic QTL for these traits. SNP-based GWAS detected a total of six significant regions in backfat thickness, ratio of granular leucocytes to lymphatic cells, plasma concentration of cortisol at different ages, and complement alternative pathway activity in serum. The significant region detected by haplotype-based GWAS was overlapped across the region detected by SNP-based GWAS. Most of these detected QTL regions were novel regions with some candidate genes located in them. With regard to a pleiotropic QTL among traits, only three of these detected QTL regions overlapped among traits, and many detected regions independently affected the traits.
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Affiliation(s)
- Yoshinobu Uemoto
- Graduate School of Agricultural Science, Tohoku University, Sendai, Miyagi, 980-8572, Japan.
| | - Kasumi Ichinoseki
- Graduate School of Agricultural Science, Tohoku University, Sendai, Miyagi, 980-8572, Japan
| | - Toshimi Matsumoto
- Animal Bioregulation Unit, Division of Animal Sciences, Institute of Agrobiological Sciences, National Agriculture and Food Research Organization (NARO), Tsukuba, Ibaraki, 305-8634, Japan
| | - Nozomi Oka
- Miyagi Prefecture Animal Industry Experiment Station, Osaki, Miyagi, 989-6445, Japan
| | - Hironori Takamori
- Miyagi Prefecture Animal Industry Experiment Station, Osaki, Miyagi, 989-6445, Japan
| | - Hiroshi Kadowaki
- Miyagi Prefecture Animal Industry Experiment Station, Osaki, Miyagi, 989-6445, Japan
| | | | - Eisaku Suzuki
- Miyagi Prefecture Animal Industry Experiment Station, Osaki, Miyagi, 989-6445, Japan
| | - Toshihiro Okamura
- Institute of Livestock and Grassland Science, NARO, Tsukuba, Ibaraki, 305-0901, Japan
| | - Hisashi Aso
- Graduate School of Agricultural Science, Tohoku University, Sendai, Miyagi, 980-8572, Japan
| | - Haruki Kitazawa
- Graduate School of Agricultural Science, Tohoku University, Sendai, Miyagi, 980-8572, Japan
| | - Masahiro Satoh
- Graduate School of Agricultural Science, Tohoku University, Sendai, Miyagi, 980-8572, Japan
| | - Hirohide Uenishi
- Animal Bioregulation Unit, Division of Animal Sciences, Institute of Agrobiological Sciences, National Agriculture and Food Research Organization (NARO), Tsukuba, Ibaraki, 305-8634, Japan
| | - Keiichi Suzuki
- Graduate School of Agricultural Science, Tohoku University, Sendai, Miyagi, 980-8572, Japan
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Maes D, Boyen F, Devriendt B, Kuhnert P, Summerfield A, Haesebrouck F. Perspectives for improvement of Mycoplasma hyopneumoniae vaccines in pigs. Vet Res 2021; 52:67. [PMID: 33964969 PMCID: PMC8106180 DOI: 10.1186/s13567-021-00941-x] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2021] [Accepted: 04/23/2021] [Indexed: 12/21/2022] Open
Abstract
Mycoplasma hyopneumoniae (M. hyopneumoniae) is one of the primary agents involved in the porcine respiratory disease complex, economically one of the most important diseases in pigs worldwide. The pathogen adheres to the ciliated epithelium of the trachea, bronchi, and bronchioles, causes damage to the mucosal clearance system, modulates the immune system and renders the animal more susceptible to other respiratory infections. The pathogenesis is very complex and not yet fully understood. Cell-mediated and likely also mucosal humoral responses are considered important for protection, although infected animals are not able to rapidly clear the pathogen from the respiratory tract. Vaccination is frequently practiced worldwide to control M. hyopneumoniae infections and the associated performance losses, animal welfare issues, and treatment costs. Commercial vaccines are mostly bacterins that are administered intramuscularly. However, the commercial vaccines provide only partial protection, they do not prevent infection and have a limited effect on transmission. Therefore, there is a need for novel vaccines that confer a better protection. The present paper gives a short overview of the pathogenesis and immune responses following M. hyopneumoniae infection, outlines the major limitations of the commercial vaccines and reviews the different experimental M. hyopneumoniae vaccines that have been developed and tested in mice and pigs. Most experimental subunit, DNA and vector vaccines are based on the P97 adhesin or other factors that are important for pathogen survival and pathogenesis. Other studies focused on bacterins combined with novel adjuvants. Very few efforts have been directed towards the development of attenuated vaccines, although such vaccines may have great potential. As cell-mediated and likely also humoral mucosal responses are important for protection, new vaccines should aim to target these arms of the immune response. The selection of proper antigens, administration route and type of adjuvant and carrier molecule is essential for success. Also practical aspects, such as cost of the vaccine, ease of production, transport and administration, and possible combination with vaccines against other porcine pathogens, are important. Possible avenues for further research to develop better vaccines and to achieve a more sustainable control of M. hyopneumoniae infections are discussed.
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Affiliation(s)
- Dominiek Maes
- Faculty of Veterinary Medicine, Ghent University, Merelbeke, Belgium.
| | - Filip Boyen
- Faculty of Veterinary Medicine, Ghent University, Merelbeke, Belgium
| | - Bert Devriendt
- Faculty of Veterinary Medicine, Ghent University, Merelbeke, Belgium
| | - Peter Kuhnert
- Institute of Veterinary Bacteriology, Vetsuisse Faculty, University of Bern, Bern, Switzerland
| | - Artur Summerfield
- Institute of Virology and Immunology, Sensemattstrasse 293, Mittelhäusern, Switzerland.,Department of Infectious Diseases and Pathobiology, Vetsuisse Faculty, University of Bern, Bern, Switzerland
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Sakuma A, Sugawara S, Hidaka H, Nakajo M, Suda Y, Shimazu T, Rose MT, Urakawa M, Zhuang T, Zhao G, Watanabe K, Nochi T, Kitazawa H, Katoh K, Suzuki K, Aso H. IL-12p40 gene expression in lung and hilar lymph nodes of MPS-resistant pigs. Anim Sci J 2020; 91:e13450. [PMID: 32881233 DOI: 10.1111/asj.13450] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2020] [Revised: 07/06/2020] [Accepted: 08/02/2020] [Indexed: 11/28/2022]
Abstract
Mycoplasma pneumonia of swine (MPS) is caused by Mycoplasma hyopneumoniae (M.hp) and is a common chronic respiratory disease of pigs. Recently, a genetically selected variant of the Landrace pig (Miyagino L2) has a lower incidence of pulmonary MPS lesions. We investigated the pathological and immunological characteristics of MPS resistance in these pigs (n = 24) by comparing with the normal landrace pig (control: n = 24). The pathological MPS lung lesion score in MPS-selected landrace pigs was significantly lower than in the control. The gene expression of interleukin (IL)-12p40, which acts as a chemoattractant and a component of the bioactive cytokines IL-12 and IL-23, was significantly higher at the hilar lymph nodes, lung, and spleen in MPS-selected landrace pigs than in control landrace pigs, and these were negatively correlated with the macroscopic MPS lung lesion score. In summary, we demonstrate that resistance against MPS in Miyagino L2 pigs is associated with IL-12p40 up-regulation, in comparison with normal landrace pigs without the MPS vaccine. In addition, a comparative study of macroscopic MPS lung lesions and IL-12p40 gene expression in lung and hilar lymph nodes may lead to beneficial selection traits for the genetic selection for MPS resistance in pigs.
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Affiliation(s)
- Akiko Sakuma
- Miyagi Livestock Experimental Station, Osaki, Japan.,Miyagi Prefectural Sendai Livestock Hygiene Service Center, Sendai, Japan.,International Education and Research Center for Food and Agricultural Immunology (CFAI), Graduate School of Agricultural Science, Tohoku University, Sendai, Japan
| | - Shizuka Sugawara
- International Education and Research Center for Food and Agricultural Immunology (CFAI), Graduate School of Agricultural Science, Tohoku University, Sendai, Japan
| | - Hikaru Hidaka
- International Education and Research Center for Food and Agricultural Immunology (CFAI), Graduate School of Agricultural Science, Tohoku University, Sendai, Japan
| | | | - Yoshihito Suda
- Department of Food, Agriculture and Environment, Miyagi University, Sendai, Japan
| | - Tomoyuki Shimazu
- Department of Food, Agriculture and Environment, Miyagi University, Sendai, Japan
| | - Michael T Rose
- Tasmanian Institute of Agriculture, University of Tasmania, Sandy Bay, TAS, Australia
| | - Megumi Urakawa
- International Education and Research Center for Food and Agricultural Immunology (CFAI), Graduate School of Agricultural Science, Tohoku University, Sendai, Japan.,Laboratory of Animal Health Science, Graduate School of Agricultural Science, Tohoku University, Sendai, Japan
| | - Tao Zhuang
- International Education and Research Center for Food and Agricultural Immunology (CFAI), Graduate School of Agricultural Science, Tohoku University, Sendai, Japan.,Laboratory of Animal Health Science, Graduate School of Agricultural Science, Tohoku University, Sendai, Japan
| | - Guoqi Zhao
- Institute of Animal Culture Collection and Application, College of Animal Science and Technology, Yangzhou University, Yangzhou, China
| | - Kouichi Watanabe
- International Education and Research Center for Food and Agricultural Immunology (CFAI), Graduate School of Agricultural Science, Tohoku University, Sendai, Japan.,Laboratory of Animal Health Science, Graduate School of Agricultural Science, Tohoku University, Sendai, Japan
| | - Tomonori Nochi
- International Education and Research Center for Food and Agricultural Immunology (CFAI), Graduate School of Agricultural Science, Tohoku University, Sendai, Japan.,Laboratory of Animal Health Science, Graduate School of Agricultural Science, Tohoku University, Sendai, Japan
| | - Haruki Kitazawa
- International Education and Research Center for Food and Agricultural Immunology (CFAI), Graduate School of Agricultural Science, Tohoku University, Sendai, Japan.,Laboratory of Animal Health Science, Graduate School of Agricultural Science, Tohoku University, Sendai, Japan
| | - Kazuo Katoh
- International Education and Research Center for Food and Agricultural Immunology (CFAI), Graduate School of Agricultural Science, Tohoku University, Sendai, Japan
| | - Keiichi Suzuki
- International Education and Research Center for Food and Agricultural Immunology (CFAI), Graduate School of Agricultural Science, Tohoku University, Sendai, Japan
| | - Hisashi Aso
- International Education and Research Center for Food and Agricultural Immunology (CFAI), Graduate School of Agricultural Science, Tohoku University, Sendai, Japan.,Laboratory of Animal Health Science, Graduate School of Agricultural Science, Tohoku University, Sendai, Japan
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10
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Ni L, Song C, Wu X, Zhao X, Wang X, Li B, Gan Y. RNA-seq transcriptome profiling of porcine lung from two pig breeds in response to Mycoplasma hyopneumoniae infection. PeerJ 2019; 7:e7900. [PMID: 31656701 PMCID: PMC6812673 DOI: 10.7717/peerj.7900] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2019] [Accepted: 09/16/2019] [Indexed: 12/12/2022] Open
Abstract
Background Mycoplasma hyopneumoniae (Mhp) is the main pathogen causing respiratory disease in the swine industry. Mhp infection rates differ across pig breeds, with Chinese native pig breeds that exhibit high fecundity (e.g., Jiangquhai, Meishan, Erhualian) more sensitive than Duroc, Landrace, and other imported pig breeds. However, the genetic basis of the immune response to Mhp infection in different pig breeds is largely unknown. Aims The aims of this study were to determine the relative Mhp susceptibility of the Chinese native Jiangquhai breed compared to the Duroc breed, and identify molecular mechanisms of differentially expressed genes (DEGs) using an RNA-sequencing (RNA-seq) approach. Methods Jiangquhai and Duroc pigs were artificially infected with the same Mhp dose. The entire experiment lasted 28 days. Daily weight gain, Mhp-specific antibody levels, and lung lesion scores were measured to evaluate the Mhp infection susceptibility of different breeds. Experimental pigs were slaughtered on the 28th day. Lung tissues were collected for total RNA extraction. RNA-seq was performed to identify DEGs, which were enriched by gene ontology (GO) and the Kyoto Encyclopedia annotation of Genes and Genomes (KEGG) databases. DEGs were validated with real-time quantitative polymerase chain reaction (RT-qPCR). Results Infection with the same Mhp dose produced a more serious condition in Jiangquhai pigs than in Duroc pigs. Jiangquhai pigs showed poorer growth, higher Mhp antibody levels, and more serious lung lesions compared with Duroc pigs. RNA-seq identified 2,250 and 3,526 DEGs in lung tissue from Jiangquhai and Duroc pigs, respectively. The two breeds shared 1,669 DEGs, which were involved in immune-relevant pathways including cytokine-cytokine receptor interaction, PI3K-Akt signaling pathway, and chemokine signaling pathway. Compared to Jiangquhai pigs, more chemokines, interferon response factors, and interleukins were specifically activated in Duroc pigs; CXCL10, CCL4, IL6 and IFNG genes were significantly up-regulated, which may help Duroc pigs enhance immune response and reduce Mhp susceptibility. Conclusion This study demonstrated differential immune-related DEGs in lung tissue from the two breeds, and revealed an important role of genetics in the immune response to Mhp infection. The biological functions of these important DEGs should be further confirmed and maybe applied as molecular markers that improve pig health.
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Affiliation(s)
- Ligang Ni
- College of Animal Science and Technology, Yangzhou University, Yangzhou, Jiangsu, China.,Department of Animal Science and Technology, Jiangsu Agri-animal Husbandry Vocational College, Taizhou, Jiangsu, China
| | - Chengyi Song
- College of Animal Science and Technology, Yangzhou University, Yangzhou, Jiangsu, China
| | - Xinsheng Wu
- College of Animal Science and Technology, Yangzhou University, Yangzhou, Jiangsu, China
| | - Xuting Zhao
- Department of Animal Science and Technology, Jiangsu Agri-animal Husbandry Vocational College, Taizhou, Jiangsu, China
| | - Xiaoyan Wang
- College of Animal Science and Technology, Yangzhou University, Yangzhou, Jiangsu, China
| | - Bichun Li
- College of Animal Science and Technology, Yangzhou University, Yangzhou, Jiangsu, China
| | - Yuan Gan
- Institute of Veterinary Medicine, Jiangsu Academy of Agricultural Sciences, Nanjing, Jiangsu, China
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11
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Terenina E, Sautron V, Ydier C, Bazovkina D, Sevin-Pujol A, Gress L, Lippi Y, Naylies C, Billon Y, Liaubet L, Mormede P, Villa-Vialaneix N. Time course study of the response to LPS targeting the pig immune gene networks. BMC Genomics 2017; 18:988. [PMID: 29273011 PMCID: PMC5741867 DOI: 10.1186/s12864-017-4363-5] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2017] [Accepted: 12/01/2017] [Indexed: 12/23/2022] Open
Abstract
Background Stress is a generic term used to describe non-specific responses of the body to all kinds of challenges. A very large variability in the response can be observed across individuals, depending on numerous conditioning factors like genetics, early influences and life history. As a result, there is a wide range of individual vulnerability and resilience to stress, also called robustness. The importance of robustness-related traits in breeding strategies is increasing progressively towards the production of animals with a high level of production under a wide range of climatic conditions and management systems, together with a lower environmental impact and a high level of animal welfare. The present study aims at describing blood transcriptomic, hormonal, and metabolic responses of pigs to a systemic challenge using lipopolysaccharide (LPS). The objective is to analyze the individual variation of the biological responses in relation to the activity of the HPA axis measured by the levels of plasma cortisol after LPS and ACTH in 120 juvenile Large White (LW) pigs. The kinetics of the response was measured with biological variables and whole blood gene expression at 4 time points. A multilevel statistical analysis was used to take into account the longitudinal aspect of the data. Results Cortisol level reaches its peak 4 h after LPS injection. The characteristic changes of white blood cell count to LPS were observed, with a decrease of total count, maximal at t=+4 h, and the mirror changes in the respective proportions of lymphocytes and granulocytes. The lymphocytes / granulocytes ratio was maximal at t=+1 h. An integrative statistical approach was used and provided a set of candidate genes for kinetic studies and ongoing complementary studies focused on the LPS-stimulated inflammatory response. Conclusions The present study demonstrates the specific biomarkers indicative of an inflammation in swine. Furthermore, these stress responses persist for prolonged periods of time and at significant expression levels, making them good candidate markers for evaluating the efficacy of anti-inflammatory drugs. Electronic supplementary material The online version of this article (doi:10.1186/s12864-017-4363-5) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Elena Terenina
- INRA, UMR 1388 GenPhySE, Université de Toulouse, INRA, INPT, ENVT, Castanet-Tolosan, F-31326, France.
| | - Valérie Sautron
- INRA, UMR 1388 GenPhySE, Université de Toulouse, INRA, INPT, ENVT, Castanet-Tolosan, F-31326, France
| | - Caroline Ydier
- INRA, UMR 1388 GenPhySE, Université de Toulouse, INRA, INPT, ENVT, Castanet-Tolosan, F-31326, France
| | - Darya Bazovkina
- Department of Behavioral Neurogenomics, Siberian Branch of the Russian Academy of Sciences, Novosibirsk, 630090, Russia
| | - Amélie Sevin-Pujol
- INRA, UMR 1388 GenPhySE, Université de Toulouse, INRA, INPT, ENVT, Castanet-Tolosan, F-31326, France
| | - Laure Gress
- INRA, UMR 1388 GenPhySE, Université de Toulouse, INRA, INPT, ENVT, Castanet-Tolosan, F-31326, France
| | - Yannick Lippi
- Toxalim (Research Centre in Food Toxicology), Université de Toulouse, INRA, ENVT, INP-Purpan, UPS, Toulouse, F-31027, France
| | - Claire Naylies
- Toxalim (Research Centre in Food Toxicology), Université de Toulouse, INRA, ENVT, INP-Purpan, UPS, Toulouse, F-31027, France
| | - Yvon Billon
- INRA, UE 1372 GenESI, Surgeres, F-17700, France
| | - Laurence Liaubet
- INRA, UMR 1388 GenPhySE, Université de Toulouse, INRA, INPT, ENVT, Castanet-Tolosan, F-31326, France
| | - Pierre Mormede
- INRA, UMR 1388 GenPhySE, Université de Toulouse, INRA, INPT, ENVT, Castanet-Tolosan, F-31326, France
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12
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Maes D, Sibila M, Kuhnert P, Segalés J, Haesebrouck F, Pieters M. Update on Mycoplasma hyopneumoniae infections in pigs: Knowledge gaps for improved disease control. Transbound Emerg Dis 2017; 65 Suppl 1:110-124. [PMID: 28834294 DOI: 10.1111/tbed.12677] [Citation(s) in RCA: 148] [Impact Index Per Article: 21.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/26/2017] [Indexed: 02/07/2023]
Abstract
Mycoplasma hyopneumoniae (M. hyopneumoniae) is the primary pathogen of enzootic pneumonia, a chronic respiratory disease in pigs. Infections occur worldwide and cause major economic losses to the pig industry. The present paper reviews the current knowledge on M. hyopneumoniae infections, with emphasis on identification and analysis of knowledge gaps for optimizing control of the disease. Close contact between infected and susceptible pigs is the main route of M. hyopneumoniae transmission. Management and housing conditions predisposing for infection or disease are known, but further research is needed to better understand M. hyopneumoniae transmission patterns in modern pig production systems, and to assess the importance of the breeding population for downstream disease control. The organism is primarily found on the mucosal surface of the trachea, bronchi and bronchioles. Different adhesins and lipoproteins are involved in the adherence process. However, a clear picture of the virulence and pathogenicity of M. hyopneumoniae is still missing. The role of glycerol metabolism, myoinositol metabolism and the Mycoplasma Ig binding protein-Mycoplasma Ig protease system should be further investigated for their contribution to virulence. The destruction of the mucociliary apparatus, together with modulating the immune response, enhances the susceptibility of infected pigs to secondary pathogens. Clinical signs and severity of lesions depend on different factors, such as management, environmental conditions and likely also M. hyopneumoniae strain. The potential impact of strain variability on disease severity is not well defined. Diagnostics could be improved by developing tests that may detect virulent strains, by improving sampling in live animals and by designing ELISAs allowing discrimination between infected and vaccinated pigs. The currently available vaccines are often cost-efficient, but the ongoing research on developing new vaccines that confer protective immunity and reduce transmission should be continued, as well as optimization of protocols to eliminate M. hyopneumoniae from pig herds.
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Affiliation(s)
- D Maes
- Faculty of Veterinary Medicine, Ghent University, Merelbeke, Belgium
| | - M Sibila
- IRTA, Centre de Recerca en Sanitat Animal (CReSA, IRTA-UAB), Universitat Autònoma de Barcelona, Bellaterra, Spain
| | - P Kuhnert
- Vetsuisse Faculty, Institute of Veterinary Bacteriology, University of Bern, Bern, Switzerland
| | - J Segalés
- IRTA, Centre de Recerca en Sanitat Animal (CReSA, IRTA-UAB), Universitat Autònoma de Barcelona, Bellaterra, Spain.,Departament de Sanitat i Anatomia Animals, Facultat de Veterinària, Universitat Autònoma de Barcelona, Bellaterra, Spain
| | - F Haesebrouck
- Faculty of Veterinary Medicine, Ghent University, Merelbeke, Belgium
| | - M Pieters
- Department of Veterinary Population Medicine, College of Veterinary Medicine, University of Minnesota, St. Paul, MN, USA
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13
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Borjigin L, Shimazu T, Katayama Y, Watanabe K, Kitazawa H, Roh SG, Aso H, Katoh K, Satoh M, Suda Y, Sakuma A, Nakajo M, Suzuki K. Effects of mycoplasmal pneumonia of swine (MPS) lung lesion-selected Landrace pigs on MPS resistance and immune competence in three-way crossbred pigs. Anim Sci J 2016; 88:575-585. [PMID: 27612216 DOI: 10.1111/asj.12698] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2016] [Revised: 07/21/2016] [Accepted: 08/04/2016] [Indexed: 11/30/2022]
Abstract
To clarify the genetic influence of mycoplasmal pneumonia of swine (MPS) lesion-selected Landrace (La) on MPS resistance and immune characteristics in three-way crossbred pigs (LaWaDa), the LaWaDa pigs were compared with the non-selected crossbred (LbWbDb) and purebred (La) pigs. The MPS lesion score in the three lines was as follows: La line < LaWaDa line < LbWbDb line, with significant differences among the lines. The proportions of myeloid cells and T cells were lower and higher, respectively, in the LaWaDa pigs compared with those in the other two lines. Messenger RNA (mRNA) expression of interleukin (IL)-6, IL-10, transforming growth factor-β, and interferon-γ in peripheral blood was significantly increased after vaccination in the La and LaWaDa lines. IL-4 mRNA expression in the LaWaDa line was intermediate to the La and LbWbDb lines. Furthermore, principal component analysis for immune traits and MPS lesions was executed to clarify the characteristics of each pig line. These findings suggest that the immune responses in the three pig lines are genetically distinct and that MPS resistance and some immunity characteristics from the La line were transmitted to the three-way crossbred pigs.
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Affiliation(s)
- Liushiqi Borjigin
- Graduate School of Agricultural Science, Tohoku University, Sendai, Japan
| | - Tomoyuki Shimazu
- Graduate School of Agricultural Science, Tohoku University, Sendai, Japan
| | - Yuki Katayama
- Graduate School of Agricultural Science, Tohoku University, Sendai, Japan
| | - Kouichi Watanabe
- Graduate School of Agricultural Science, Tohoku University, Sendai, Japan
| | - Haruki Kitazawa
- Graduate School of Agricultural Science, Tohoku University, Sendai, Japan
| | - Sang-Gun Roh
- Graduate School of Agricultural Science, Tohoku University, Sendai, Japan
| | - Hisashi Aso
- Graduate School of Agricultural Science, Tohoku University, Sendai, Japan
| | - Kazuo Katoh
- Graduate School of Agricultural Science, Tohoku University, Sendai, Japan
| | - Masahiro Satoh
- Department of Food, Agriculture and Environment, Miyagi University, Sendai, Japan
| | - Yoshihito Suda
- Miyagi Prefecture Animal Industry Experiment Station, Iwadeyama, Miyagi, Japan
| | - Akiko Sakuma
- Miyagi Prefecture Animal Industry Experiment Station, Iwadeyama, Miyagi, Japan
| | - Mituru Nakajo
- Graduate School of Agricultural Science, Tohoku University, Sendai, Japan
| | - Keiichi Suzuki
- Graduate School of Agricultural Science, Tohoku University, Sendai, Japan
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14
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Borjigin L, Shimazu T, Katayama Y, Watanabe K, Kitazawa H, Roh SG, Aso H, Katoh K, Uchida T, Suda Y, Sakuma A, Nakajo M, Suzuki K. Mycoplasma pneumonia of swine (MPS) resistance and immune characteristics of pig lines generated by crossing an MPS pulmonary lesion selected Landrace line and a highly immune capacity selected Large White line. Anim Sci J 2015; 87:972-81. [PMID: 26709243 DOI: 10.1111/asj.12529] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2015] [Accepted: 07/21/2015] [Indexed: 11/28/2022]
Abstract
To understand the influence of crossbreeding on Mycoplasma pneumonia of swine (MPS) resistance and immune characteristics, two crossbred lines were characterized. One crossbred line, LaWa, was generated by crossing the MPS pulmonary lesion selected Landrace line (La) and the highly immune-selected Large White line (Wa). The second crossbred line, LaWb, was generated by crossing the La line and the nonselected Large White line (Wb). The crossbred LbWb line (nonselected Landrace line × nonselected Large White line) and the La line were used as controls. The LaWa and LaWb lines had an intermediate level of MPS lung lesions between La and LbWb lines, although the difference was not statistically significant. After stimulation with sheep red blood cells (SRBCs), the LaWb and LaWa lines showed immune characteristics similar to that of the La line; the number of monocytes in peripheral blood increased, while B cells, T cells, secretion of SRBC-specific immunoglobulin G, and interleukin (IL)-13 decreased. Additionally, the number of natural killer (NK) cells and the expression of IL-4 and IL-17 were significantly higher in the LaWb and LaWa lines, respectively. These data suggested that crossbreeding of La and Wa lines resulted in the inheritance of some of the selected immune responses.
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Affiliation(s)
- Liushiqi Borjigin
- Graduate School of Agricultural Science, Tohoku University, Sendai, Japan
| | - Tomoyuki Shimazu
- Graduate School of Agricultural Science, Tohoku University, Sendai, Japan
| | - Yuki Katayama
- Graduate School of Agricultural Science, Tohoku University, Sendai, Japan
| | - Kouichi Watanabe
- Graduate School of Agricultural Science, Tohoku University, Sendai, Japan
| | - Haruki Kitazawa
- Graduate School of Agricultural Science, Tohoku University, Sendai, Japan
| | - Sang-Gun Roh
- Graduate School of Agricultural Science, Tohoku University, Sendai, Japan
| | - Hisashi Aso
- Graduate School of Agricultural Science, Tohoku University, Sendai, Japan
| | - Kazuo Katoh
- Graduate School of Agricultural Science, Tohoku University, Sendai, Japan
| | - Takafumi Uchida
- Graduate School of Agricultural Science, Tohoku University, Sendai, Japan
| | - Yoshihito Suda
- Department of Food, Agriculture and Environment, Miyagi University, Sendai, Japan
| | - Akiko Sakuma
- Miyagi Prefecture Animal Industry Experiment Station, Miyagi, Japan
| | - Mituru Nakajo
- Miyagi Prefecture Animal Industry Experiment Station, Miyagi, Japan
| | - Keiichi Suzuki
- Graduate School of Agricultural Science, Tohoku University, Sendai, Japan
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15
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Borjigin L, Shimazu T, Katayama Y, Li M, Satoh T, Watanabe K, Kitazawa H, Roh SG, Aso H, Katoh K, Uchida T, Suda Y, Sakuma A, Nakajo M, Suzuki K. Immunogenic properties of Landrace pigs selected for resistance to mycoplasma pneumonia of swine. Anim Sci J 2015; 87:321-9. [PMID: 26260893 PMCID: PMC7159536 DOI: 10.1111/asj.12440] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/27/2014] [Revised: 02/17/2015] [Accepted: 03/09/2015] [Indexed: 12/16/2022]
Abstract
Mycoplasma pneumonia of swine (MPS) lung lesions and immunogenic properties were compared between a Landrace line that was genetically selected for reduced incidence of pulmonary MPS lesions, and a non‐selected Landrace line. The MPS‐selected Landrace line showed significantly lower degrees of pulmonary MPS lesions compared with the non‐selected Landrace line. When changes in immunity before and after vaccination were compared, the percentage of B cells in the peripheral blood of the MPS‐selected Landrace line was significantly lower than that of the non‐selected line. Furthermore, the concentration of growth hormone and the mitogen activity of peripheral blood mononuclear cells in the MPS‐selected Landrace line showed significantly (P < 0.05) lower increases after vaccination than the non‐selected line. Conversely, the concentration of peripheral blood interferon (IFN)‐γ and salivary immunoglobulin A (IgA) after Mycoplasma hyopneumoniae vaccination was significantly higher in the MPS‐selected Landrace line than in the non‐selected line. Gene expression of toll‐like receptor (TLR)2 and TLR4 was significantly higher in the MPS‐selected Landrace line in immune tissues, with the exception of the hilar lymph nodes. The present results suggest that peripheral blood IFN‐γ, salivary IgA TLR2, and TLR4 are important immunological factors influencing the development of MPS lesions.
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Affiliation(s)
- Liushiqi Borjigin
- Graduate School of Agricultural Science, Tohoku University, Sendai, Japan
| | - Tomoyuki Shimazu
- Graduate School of Agricultural Science, Tohoku University, Sendai, Japan
| | - Yuki Katayama
- Graduate School of Agricultural Science, Tohoku University, Sendai, Japan
| | - Meihua Li
- Graduate School of Agricultural Science, Tohoku University, Sendai, Japan
| | - Takumi Satoh
- Graduate School of Agricultural Science, Tohoku University, Sendai, Japan
| | - Kouichi Watanabe
- Graduate School of Agricultural Science, Tohoku University, Sendai, Japan
| | - Haruki Kitazawa
- Graduate School of Agricultural Science, Tohoku University, Sendai, Japan
| | - Sang-gun Roh
- Graduate School of Agricultural Science, Tohoku University, Sendai, Japan
| | - Hisashi Aso
- Graduate School of Agricultural Science, Tohoku University, Sendai, Japan
| | - Kazuo Katoh
- Graduate School of Agricultural Science, Tohoku University, Sendai, Japan
| | - Takafumi Uchida
- Graduate School of Agricultural Science, Tohoku University, Sendai, Japan
| | - Yoshihito Suda
- Department of Food, Agriculture and Environment, Miyagi University, Sendai, Japan
| | - Akiko Sakuma
- Miyagi Prefecture Animal Industry Experiment Station, Miyagi, Japan
| | - Mituru Nakajo
- Miyagi Prefecture Animal Industry Experiment Station, Miyagi, Japan
| | - Keiichi Suzuki
- Graduate School of Agricultural Science, Tohoku University, Sendai, Japan
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