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Wang ZY, Reyes L, Estrada J, Burlak C, Gennuso VN, Tector MO, Ho S, Tector M, Tector AJ. Patients on the Transplant Waiting List Have Anti-Swine Leukocyte Antigen Class I Antibodies. Immunohorizons 2023; 7:619-625. [PMID: 37712913 PMCID: PMC10587499 DOI: 10.4049/immunohorizons.2300056] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2023] [Accepted: 08/29/2023] [Indexed: 09/16/2023] Open
Abstract
Organ supply remains inadequate to meet the needs of many patients who could benefit from allotransplantation. Xenotransplantation, the use of animals as organ donors, provides an opportunity to alleviate this challenge. Pigs are widely accepted as the ideal organ donor, but humans and nonhuman primates have strong humoral immune responses to porcine tissue. Although carbohydrate xenoantigens have been studied intensively, the primate Ab response also targets class I and class II swine leukocyte Ags (SLAs). Human Abs that recognize HLAs can cross-react with SLA molecules because epitopes can be shared across species. However, ∼15% of people may also exhibit Abs toward class II SLAs despite lacking Abs that also recognize class II HLAs. Here, we extend these studies to better understand human Ab responses toward class I SLAs. When tested against a panel of 18 unique class I SLA proteins, 14 of 52 sera samples collected from patients in need of an organ transplant contained Abs that bound class I SLAs. Class I SLA-reactive sera may contain IgM only, IgG, only, or IgM and IgG capable of recognizing the pig proteins. The presence of class I HLA-reactive Abs was not essential to generating anti-class I SLA Ig. Last, anti-class I SLA reactivity varied by serum; some recognized a single SLA allele, whereas others recognized multiple class I SLA proteins.
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Affiliation(s)
- Zheng-Yu Wang
- Department of Surgery, University of Miami School of Medicine, Miami, FL
| | - Luz Reyes
- Department of Surgery, University of Miami School of Medicine, Miami, FL
| | - Jose Estrada
- Department of Surgery, University of Miami School of Medicine, Miami, FL
| | - Christopher Burlak
- Department of Surgery, University of Miami School of Medicine, Miami, FL
| | | | | | - Sam Ho
- Gift of Hope Organ and Tissue Donor Network, Itasca, IL
| | | | - A. Joseph Tector
- Department of Surgery, University of Miami School of Medicine, Miami, FL
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2
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Porrett PM, Orandi BJ, Kumar V, Houp J, Anderson D, Cozette Killian A, Hauptfeld-Dolejsek V, Martin DE, Macedon S, Budd N, Stegner KL, Dandro A, Kokkinaki M, Kuravi KV, Reed RD, Fatima H, Killian JT, Baker G, Perry J, Wright ED, Cheung MD, Erman EN, Kraebber K, Gamblin T, Guy L, George JF, Ayares D, Locke JE. First clinical-grade porcine kidney xenotransplant using a human decedent model. Am J Transplant 2022; 22:1037-1053. [PMID: 35049121 DOI: 10.1111/ajt.16930] [Citation(s) in RCA: 180] [Impact Index Per Article: 90.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2021] [Revised: 12/15/2021] [Accepted: 12/16/2021] [Indexed: 01/25/2023]
Abstract
A radical solution is needed for the organ supply crisis, and the domestic pig is a promising organ source. In preparation for a clinical trial of xenotransplantation, we developed an in vivo pre-clinical human model to test safety and feasibility tenets established in animal models. After performance of a novel, prospective compatible crossmatch, we performed bilateral native nephrectomies in a human brain-dead decedent and subsequently transplanted two kidneys from a pig genetically engineered for human xenotransplantation. The decedent was hemodynamically stable through reperfusion, and vascular integrity was maintained despite the exposure of the xenografts to human blood pressure. No hyperacute rejection was observed, and the kidneys remained viable until termination 74 h later. No chimerism or transmission of porcine retroviruses was detected. Longitudinal biopsies revealed thrombotic microangiopathy that did not progress in severity, without evidence of cellular rejection or deposition of antibody or complement proteins. Although the xenografts produced variable amounts of urine, creatinine clearance did not recover. Whether renal recovery was impacted by the milieu of brain death and/or microvascular injury remains unknown. In summary, our study suggests that major barriers to human xenotransplantation have been surmounted and identifies where new knowledge is needed to optimize xenotransplantation outcomes in humans.
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Affiliation(s)
- Paige M Porrett
- University of Alabama at Birmingham Heersink School of Medicine, Birmingham, Alabama, USA
| | - Babak J Orandi
- University of Alabama at Birmingham Heersink School of Medicine, Birmingham, Alabama, USA
| | - Vineeta Kumar
- University of Alabama at Birmingham Heersink School of Medicine, Birmingham, Alabama, USA
| | - Julie Houp
- University of Alabama at Birmingham Heersink School of Medicine, Birmingham, Alabama, USA
| | - Douglas Anderson
- University of Alabama at Birmingham Heersink School of Medicine, Birmingham, Alabama, USA
| | - A Cozette Killian
- University of Alabama at Birmingham Heersink School of Medicine, Birmingham, Alabama, USA
| | | | | | - Sara Macedon
- University of Alabama at Birmingham Heersink School of Medicine, Birmingham, Alabama, USA
| | - Natalie Budd
- University of Alabama at Birmingham Heersink School of Medicine, Birmingham, Alabama, USA
| | - Katherine L Stegner
- University of Alabama at Birmingham Heersink School of Medicine, Birmingham, Alabama, USA
| | - Amy Dandro
- Revivicor, Inc, Blacksburg, Virginia, USA
| | | | | | - Rhiannon D Reed
- University of Alabama at Birmingham Heersink School of Medicine, Birmingham, Alabama, USA
| | - Huma Fatima
- University of Alabama at Birmingham Heersink School of Medicine, Birmingham, Alabama, USA
| | - John T Killian
- University of Alabama at Birmingham Heersink School of Medicine, Birmingham, Alabama, USA
| | - Gavin Baker
- University of Alabama at Birmingham Heersink School of Medicine, Birmingham, Alabama, USA
| | - Jackson Perry
- University of Alabama at Birmingham Heersink School of Medicine, Birmingham, Alabama, USA
| | - Emma D Wright
- University of Alabama at Birmingham Heersink School of Medicine, Birmingham, Alabama, USA
| | - Matthew D Cheung
- University of Alabama at Birmingham Heersink School of Medicine, Birmingham, Alabama, USA
| | - Elise N Erman
- University of Alabama at Birmingham Heersink School of Medicine, Birmingham, Alabama, USA
| | - Karl Kraebber
- University of Alabama at Birmingham Heersink School of Medicine, Birmingham, Alabama, USA
| | - Tracy Gamblin
- University of Alabama at Birmingham Heersink School of Medicine, Birmingham, Alabama, USA
| | - Linda Guy
- University of Alabama at Birmingham Heersink School of Medicine, Birmingham, Alabama, USA
| | - James F George
- University of Alabama at Birmingham Heersink School of Medicine, Birmingham, Alabama, USA
| | | | - Jayme E Locke
- University of Alabama at Birmingham Heersink School of Medicine, Birmingham, Alabama, USA
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3
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Gao Z, Shao JJ, Zhang GL, Ge SD, Chang YY, Xiao L, Chang HY. Development of an indirect ELISA to specifically detect antibodies against African swine fever virus: bioinformatics approaches. Virol J 2021; 18:97. [PMID: 33952293 PMCID: PMC8097255 DOI: 10.1186/s12985-021-01568-2] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2020] [Accepted: 04/29/2021] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND African swine fever (ASF), characterized by acute, severe, and fast-spreading, is a highly lethal swine infectious disease caused by the African swine fever virus (ASFV), which has caused substantial economic losses to the pig industry worldwide in the past 100 years. METHODS This study started with bioinformatics methods and verified the epitope fusion protein method's reliability that does not rely on traditional epitope identification. Meanwhile, it will also express and purify the constructed genes through prokaryotic expression and establish antibody detection methods. RESULTS The results indicated that the protein had good reactivity and did not cross-react with other swine diseases. The receiver-operating characteristic analysis was performed to verify the determination. The area under the receiver-operating characteristic curve was 0.9991 (95% confidence interval 0.9973 to 1.001). CONCLUSIONS It was proved that the recombinant protein is feasible as a diagnostic antigen to distinguish ASFV and provides a new idea for ASFV antibody detection.
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Affiliation(s)
- Zhan Gao
- State Key Laboratory of Veterinary Etiological Biology, OIE/National Foot-and-Mouth Disease Reference Laboratory, Lanzhou Veterinary Research Institute, Chinese Academy of Agricultural Sciences, No. 1 Xujiaping, Yanchangbao, Chengguan District, Lanzhou, 730046, Gansu, China
| | - Jun-Jun Shao
- State Key Laboratory of Veterinary Etiological Biology, OIE/National Foot-and-Mouth Disease Reference Laboratory, Lanzhou Veterinary Research Institute, Chinese Academy of Agricultural Sciences, No. 1 Xujiaping, Yanchangbao, Chengguan District, Lanzhou, 730046, Gansu, China
| | - Guang-Lei Zhang
- State Key Laboratory of Veterinary Etiological Biology, OIE/National Foot-and-Mouth Disease Reference Laboratory, Lanzhou Veterinary Research Institute, Chinese Academy of Agricultural Sciences, No. 1 Xujiaping, Yanchangbao, Chengguan District, Lanzhou, 730046, Gansu, China
| | - Su-Dan Ge
- State Key Laboratory of Veterinary Etiological Biology, OIE/National Foot-and-Mouth Disease Reference Laboratory, Lanzhou Veterinary Research Institute, Chinese Academy of Agricultural Sciences, No. 1 Xujiaping, Yanchangbao, Chengguan District, Lanzhou, 730046, Gansu, China
| | - Yan-Yan Chang
- State Key Laboratory of Veterinary Etiological Biology, OIE/National Foot-and-Mouth Disease Reference Laboratory, Lanzhou Veterinary Research Institute, Chinese Academy of Agricultural Sciences, No. 1 Xujiaping, Yanchangbao, Chengguan District, Lanzhou, 730046, Gansu, China
| | - Lei Xiao
- State Key Laboratory of Veterinary Etiological Biology, OIE/National Foot-and-Mouth Disease Reference Laboratory, Lanzhou Veterinary Research Institute, Chinese Academy of Agricultural Sciences, No. 1 Xujiaping, Yanchangbao, Chengguan District, Lanzhou, 730046, Gansu, China
| | - Hui-Yun Chang
- State Key Laboratory of Veterinary Etiological Biology, OIE/National Foot-and-Mouth Disease Reference Laboratory, Lanzhou Veterinary Research Institute, Chinese Academy of Agricultural Sciences, No. 1 Xujiaping, Yanchangbao, Chengguan District, Lanzhou, 730046, Gansu, China.
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4
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Techakriengkrai N, Nedumpun T, Golde WT, Suradhat S. Diversity of the Swine Leukocyte Antigen Class I and II in Commercial Pig Populations. Front Vet Sci 2021; 8:637682. [PMID: 33996967 PMCID: PMC8121083 DOI: 10.3389/fvets.2021.637682] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/04/2020] [Accepted: 03/26/2021] [Indexed: 12/12/2022] Open
Abstract
Among swine genetic markers, the highly polymorphic swine leukocyte antigen (SLA) is one of the key determinants, associated with not only immune responses but also reproductive performance and meat quality. The objective of this study was to characterize the SLA class I and II diversities in the commercial pig populations. In this study, a total number of 158 pigs (126 gilts and 32 boars) were randomly selected from different breeding herds of five major pig-producing companies, which covered ~70% of Thai swine production. The results indicate that a moderate level of SLA diversity was maintained in the Thai swine population, despite the performance-oriented breeding scheme. The highly common SLA class I alleles were SLA-1*08:XX, SLA-2*02:XX, and SLA-3*04:XX at a combined frequency of 30.1, 18.4, and 34.5%, respectively, whereas DRB1*04:XX, DQB1*02:XX and DQA*02:XX were the common class II alleles at 22.8, 33.3, and 38.6%, respectively. The haplotype Lr-32.0 (SLA-1*07:XX, SLA-2*02:XX, and SLA-3*04:XX) and Lr-0.23 (DRB1*10:XX, DQB1*06:XX, DQA* 01:XX) was the most common SLA class I and II haplotype, at 15.5 and 14.6%, respectively. Common class I and II haplotypes were also observed, which Lr-22.15 was the most predominant at 11.1%, followed by Lr-32.12 and Lr-4.2 at 10.8 and 7.9%, respectively. To our knowledge, this is the first report of SLA class I and II diversities in the commercial pigs in Southeast Asia. The information of the common SLA allele(s) in the population could facilitate swine genetic improvement and future vaccine design.
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Affiliation(s)
- Navapon Techakriengkrai
- Department of Veterinary Microbiology, Faculty of Veterinary Science, Chulalongkorn University, Bangkok, Thailand.,Diagnosis and Monitoring of Animal Pathogens Research Unit, Chulalongkorn University, Bangkok, Thailand.,Center of Excellence in Emerging Infectious Diseases in Animals, Chulalongkorn University (CU-EIDAs), Bangkok, Thailand
| | - Teerawut Nedumpun
- Department of Veterinary Microbiology, Faculty of Veterinary Science, Chulalongkorn University, Bangkok, Thailand.,Center of Excellence in Emerging Infectious Diseases in Animals, Chulalongkorn University (CU-EIDAs), Bangkok, Thailand
| | - William T Golde
- Department of Vaccines and Diagnostics, Moredun Research Institute, Penicuik, United Kingdom
| | - Sanipa Suradhat
- Department of Veterinary Microbiology, Faculty of Veterinary Science, Chulalongkorn University, Bangkok, Thailand.,Center of Excellence in Emerging Infectious Diseases in Animals, Chulalongkorn University (CU-EIDAs), Bangkok, Thailand
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5
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Goatley LC, Reis AL, Portugal R, Goldswain H, Shimmon GL, Hargreaves Z, Ho CS, Montoya M, Sánchez-Cordón PJ, Taylor G, Dixon LK, Netherton CL. A Pool of Eight Virally Vectored African Swine Fever Antigens Protect Pigs Against Fatal Disease. Vaccines (Basel) 2020; 8:E234. [PMID: 32443536 PMCID: PMC7349991 DOI: 10.3390/vaccines8020234] [Citation(s) in RCA: 59] [Impact Index Per Article: 14.8] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/08/2020] [Revised: 05/01/2020] [Accepted: 05/14/2020] [Indexed: 01/08/2023] Open
Abstract
Classical approaches to African swine fever virus (ASFV) vaccine development have not been successful; inactivated virus does not provide protection and use of live attenuated viruses generated by passage in tissue culture had a poor safety profile. Current African swine fever (ASF) vaccine research focuses on the development of modified live viruses by targeted gene deletion or subunit vaccines. The latter approach would be differentiation of vaccinated from infected animals (DIVA)-compliant, but information on which viral proteins to include in a subunit vaccine is lacking. Our previous work used DNA-prime/vaccinia-virus boost to screen 40 ASFV genes for immunogenicity, however this immunization regime did not protect animals after challenge. Here we describe the induction of both antigen and ASFV-specific antibody and cellular immune responses by different viral-vectored pools of antigens selected based on their immunogenicity in pigs. Immunization with one of these pools, comprising eight viral-vectored ASFV genes, protected 100% of pigs from fatal disease after challenge with a normally lethal dose of virulent ASFV. This data provide the basis for the further development of a subunit vaccine against this devastating disease.
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Affiliation(s)
- Lynnette C. Goatley
- The Pirbright Institute, Ash Road, Pirbright, Surrey GU24 0NF, UK; (L.C.G.); (A.L.R.); (R.P.); (H.G.); (G.L.S.); (Z.H.); (M.M.); (P.J.S.-C.); (G.T.); (L.K.D.)
| | - Ana Luisa Reis
- The Pirbright Institute, Ash Road, Pirbright, Surrey GU24 0NF, UK; (L.C.G.); (A.L.R.); (R.P.); (H.G.); (G.L.S.); (Z.H.); (M.M.); (P.J.S.-C.); (G.T.); (L.K.D.)
| | - Raquel Portugal
- The Pirbright Institute, Ash Road, Pirbright, Surrey GU24 0NF, UK; (L.C.G.); (A.L.R.); (R.P.); (H.G.); (G.L.S.); (Z.H.); (M.M.); (P.J.S.-C.); (G.T.); (L.K.D.)
| | - Hannah Goldswain
- The Pirbright Institute, Ash Road, Pirbright, Surrey GU24 0NF, UK; (L.C.G.); (A.L.R.); (R.P.); (H.G.); (G.L.S.); (Z.H.); (M.M.); (P.J.S.-C.); (G.T.); (L.K.D.)
| | - Gareth L. Shimmon
- The Pirbright Institute, Ash Road, Pirbright, Surrey GU24 0NF, UK; (L.C.G.); (A.L.R.); (R.P.); (H.G.); (G.L.S.); (Z.H.); (M.M.); (P.J.S.-C.); (G.T.); (L.K.D.)
| | - Zoe Hargreaves
- The Pirbright Institute, Ash Road, Pirbright, Surrey GU24 0NF, UK; (L.C.G.); (A.L.R.); (R.P.); (H.G.); (G.L.S.); (Z.H.); (M.M.); (P.J.S.-C.); (G.T.); (L.K.D.)
| | - Chak-Sum Ho
- Gift of Hope Organ and Tissue Donor Network, Itasca, IL 60143, USA;
| | - María Montoya
- The Pirbright Institute, Ash Road, Pirbright, Surrey GU24 0NF, UK; (L.C.G.); (A.L.R.); (R.P.); (H.G.); (G.L.S.); (Z.H.); (M.M.); (P.J.S.-C.); (G.T.); (L.K.D.)
| | - Pedro J. Sánchez-Cordón
- The Pirbright Institute, Ash Road, Pirbright, Surrey GU24 0NF, UK; (L.C.G.); (A.L.R.); (R.P.); (H.G.); (G.L.S.); (Z.H.); (M.M.); (P.J.S.-C.); (G.T.); (L.K.D.)
| | - Geraldine Taylor
- The Pirbright Institute, Ash Road, Pirbright, Surrey GU24 0NF, UK; (L.C.G.); (A.L.R.); (R.P.); (H.G.); (G.L.S.); (Z.H.); (M.M.); (P.J.S.-C.); (G.T.); (L.K.D.)
| | - Linda K. Dixon
- The Pirbright Institute, Ash Road, Pirbright, Surrey GU24 0NF, UK; (L.C.G.); (A.L.R.); (R.P.); (H.G.); (G.L.S.); (Z.H.); (M.M.); (P.J.S.-C.); (G.T.); (L.K.D.)
| | - Christopher L. Netherton
- The Pirbright Institute, Ash Road, Pirbright, Surrey GU24 0NF, UK; (L.C.G.); (A.L.R.); (R.P.); (H.G.); (G.L.S.); (Z.H.); (M.M.); (P.J.S.-C.); (G.T.); (L.K.D.)
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6
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Ba L, Wang Z, Liu WJ, Wu D, Xiang W, Qi P, Dong C, Hu Y, Lu P, Xiao J, Yu C. Polymorphism analysis and supertype definition of swine leukocyte antigen class I molecules in three-way crossbred (Landrace, Duroc, and Yorkshire) pigs: implications for the vaccine development of African swine fever virus. SCIENCE CHINA-LIFE SCIENCES 2020; 63:1604-1607. [PMID: 32399768 PMCID: PMC7222080 DOI: 10.1007/s11427-019-1696-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 03/04/2020] [Accepted: 04/21/2020] [Indexed: 11/29/2022]
Affiliation(s)
- Limin Ba
- College of Life Science and Technology, Beijing University of Chemical Technology, Beijing, 100029, China.,Zhongmu Research Institute, China Animal Husbandry Industry Co., LTD, Beijing, 100095, China
| | - Zhenbao Wang
- Zhongmu Research Institute, China Animal Husbandry Industry Co., LTD, Beijing, 100095, China
| | - William J Liu
- National Institute for Viral Disease Control and Prevention, Chinese Center for Disease Control and Prevention, Beijing, 100052, China
| | - Dongxun Wu
- China Animal Husbandry Industry Co., LTD, Beijing, 100095, China
| | - Wangzhen Xiang
- Zhongmu Research Institute, China Animal Husbandry Industry Co., LTD, Beijing, 100095, China
| | - Peng Qi
- Zhongmu Research Institute, China Animal Husbandry Industry Co., LTD, Beijing, 100095, China
| | - Chunna Dong
- Zhongmu Research Institute, China Animal Husbandry Industry Co., LTD, Beijing, 100095, China
| | - Yanxin Hu
- Key Laboratory of Zoonosis of Ministry of Agriculture, College of Veterinary Medicine, China Agricultural University, Beijing, 100094, China
| | - Ping Lu
- China Animal Health and Epidemiology Center, Qingdao, 266032, China
| | - Jin Xiao
- Zhongmu Research Institute, China Animal Husbandry Industry Co., LTD, Beijing, 100095, China.
| | - Changyuan Yu
- College of Life Science and Technology, Beijing University of Chemical Technology, Beijing, 100029, China.
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7
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Le MT, Choi H, Lee H, Le VCQ, Ahn B, Ho CS, Hong K, Song H, Kim JH, Park C. SLA-1 Genetic Diversity in Pigs: Extensive Analysis of Copy Number Variation, Heterozygosity, Expression, and Breed Specificity. Sci Rep 2020; 10:743. [PMID: 31959823 PMCID: PMC6971002 DOI: 10.1038/s41598-020-57712-5] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2019] [Accepted: 01/06/2020] [Indexed: 11/17/2022] Open
Abstract
Swine leukocyte antigens play indispensable roles in immune responses by recognizing a large number of foreign antigens and thus, their genetic diversity plays a critical role in their functions. In this study, we developed a new high-resolution typing method for pig SLA-1 and successfully typed 307 individuals from diverse genetic backgrounds including 11 pure breeds, 1 cross bred, and 12 cell lines. We identified a total of 52 alleles including 18 novel alleles and 9 SLA-1 duplication haplotypes, including 4 new haplotypes. We observed significant differences in the distribution of SLA-1 alleles among the different pig breeds, including the breed specific alleles. SLA-1 duplication was observed in 33% of the chromosomes and was especially high in the biomedical model breeds such as SNU (100%) and NIH (76%) miniature pigs. Our analysis showed that SLA-1 duplication is associated with the increased level of SLA-1 mRNA expression in porcine cells compared to that of the single copy haplotype. Therefore, we provide here the results of the most extensive genetic analysis on pig SLA-1.
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Affiliation(s)
- Minh Thong Le
- Department of Stem Cells and Regenerative Biology, Konkuk University, Seoul, 143-701, Korea
- School of Biotechnology, International University, Ho Chi Minh City, Vietnam
- Vietnam National University, Ho Chi Minh City, Vietnam
| | - Hojun Choi
- Department of Stem Cells and Regenerative Biology, Konkuk University, Seoul, 143-701, Korea
| | - Hyejeong Lee
- Department of Stem Cells and Regenerative Biology, Konkuk University, Seoul, 143-701, Korea
| | - Van Chanh Quy Le
- Department of Stem Cells and Regenerative Biology, Konkuk University, Seoul, 143-701, Korea
| | - Byeongyong Ahn
- Department of Stem Cells and Regenerative Biology, Konkuk University, Seoul, 143-701, Korea
| | - Chak-Sum Ho
- Gift of Life Michigan, Ann Arbor, MI, 48108, USA
| | - Kwonho Hong
- Department of Stem Cells and Regenerative Biology, Konkuk University, Seoul, 143-701, Korea
| | - Hyuk Song
- Department of Stem Cells and Regenerative Biology, Konkuk University, Seoul, 143-701, Korea
| | - Jin-Hoi Kim
- Department of Stem Cells and Regenerative Biology, Konkuk University, Seoul, 143-701, Korea
| | - Chankyu Park
- Department of Stem Cells and Regenerative Biology, Konkuk University, Seoul, 143-701, Korea.
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8
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Netherton CL, Goatley LC, Reis AL, Portugal R, Nash RH, Morgan SB, Gault L, Nieto R, Norlin V, Gallardo C, Ho CS, Sánchez-Cordón PJ, Taylor G, Dixon LK. Identification and Immunogenicity of African Swine Fever Virus Antigens. Front Immunol 2019; 10:1318. [PMID: 31275307 PMCID: PMC6593957 DOI: 10.3389/fimmu.2019.01318] [Citation(s) in RCA: 80] [Impact Index Per Article: 16.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2018] [Accepted: 05/23/2019] [Indexed: 12/22/2022] Open
Abstract
African swine fever (ASF) is a lethal haemorrhagic disease of domestic pigs for which there is no vaccine. Strains of the virus with reduced virulence can provide protection against related virulent strains of ASFV, but protection is not 100% and there are concerns about the safety profile of such viruses. However, they provide a useful tool for understanding the immune response to ASFV and previous studies using the low virulent isolate OUR T88/3 have shown that CD8+ cells are crucial for protection. In order to develop a vaccine that stimulates an effective anti-ASFV T-cell response we need to know which of the >150 viral proteins are recognized by the cellular immune response. Therefore, we used a gamma interferon ELIspot assay to screen for viral proteins recognized by lymphocytes from ASF-immune pigs using peptides corresponding to 133 proteins predicted to be encoded by OUR T88/3. Eighteen antigens that were recognized by ASFV-specific lymphocytes were then incorporated into adenovirus and MVA vectors, which were used in immunization and challenge experiments in pigs. We present a systematic characterization of the cellular immune response to this devastating disease and identify proteins capable of inducing ASFV-specific cellular and humoral immune responses in pigs. Pools of viral vectors expressing these genes did not protect animals from severe disease, but did reduce viremia in a proportion of pigs following ASFV challenge.
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Affiliation(s)
| | | | | | | | | | | | - Lynden Gault
- Gift of Life Michigan Histocompatibility Laboratory, Ann Arbor, MI, United States
| | - Raquel Nieto
- European Union Reference Laboratory for ASF, Centro de Investigación en Sanidad Animal-Instituto Nacional de Investigación y Tecnología Agraria y Alimentaria, Madrid, Spain
| | - Veronica Norlin
- Gift of Life Michigan Histocompatibility Laboratory, Ann Arbor, MI, United States
| | - Carmina Gallardo
- European Union Reference Laboratory for ASF, Centro de Investigación en Sanidad Animal-Instituto Nacional de Investigación y Tecnología Agraria y Alimentaria, Madrid, Spain
| | - Chak-Sum Ho
- Gift of Life Michigan Histocompatibility Laboratory, Ann Arbor, MI, United States
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9
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Massari S, Bellini M, Ciccarese S, Antonacci R. Overview of the Germline and Expressed Repertoires of the TRB Genes in Sus scrofa. Front Immunol 2018; 9:2526. [PMID: 30455691 PMCID: PMC6230588 DOI: 10.3389/fimmu.2018.02526] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/13/2018] [Accepted: 10/12/2018] [Indexed: 11/19/2022] Open
Abstract
The α/β T cell receptor (TR) is a complex heterodimer that recognizes antigenic peptides and binds to major histocompatibility complex (MH) molecules. Both α and β chains are encoded by different genes localized on two distinct chromosomal loci: TRA and TRB. The present study employed the recent release of the swine genome assembly to define the genomic organization of the TRB locus. According to the sequencing data, the pig TRB locus spans approximately 400 kb of genomic DNA and consists of 38 TRBV genes belonging to 24 subgroups located upstream of three in tandem TRBD-J-C clusters, which are followed by a TRBV gene in an inverted transcriptional orientation. Comparative analysis confirms that the general organization of the TRB locus is similar among mammalian species, but the number of germline TRBV genes varies greatly even between species belonging to the same order, determining the diversity and specificity of the immune response. However, sequence analysis of the TRB locus also suggests the presence of blocks of conserved homology in the genomic region across mammals. Furthermore, by analysing a public cDNA collection, we identified the usage pattern of the TRBV, TRBD, and TRBJ genes in the adult pig TRB repertoire, and we noted that the expressed TRBV repertoire seems to be broader and more diverse than the germline repertoire, in line with the presence of a high level of TRBV gene polymorphisms. Because the nucleotide differences seems to be principally concentrated in the CDR2 region, it is reasonable to presume that most T cell β-chain diversity can be related to polymorphisms in pig MH molecules. Domestic pigs represent a valuable animal model as they are even more anatomically, genetically and physiologically similar to humans than are mice. Therefore, present knowledge on the genomic organization of the pig TRB locus allows the collection of increased information on the basic aspects of the porcine immune system and contributes to filling the gaps left by rodent models.
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Affiliation(s)
- Serafina Massari
- Department of Biological and Environmental Science and Technologies, University of Salento, Lecce, Italy
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10
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Ballingall KT, Bontrop RE, Ellis SA, Grimholt U, Hammond JA, Ho CS, Kaufman J, Kennedy LJ, Maccari G, Miller D, Robinson J, Marsh SGE. Comparative MHC nomenclature: report from the ISAG/IUIS-VIC committee 2018. Immunogenetics 2018; 70:625-632. [PMID: 30039257 DOI: 10.1007/s00251-018-1073-3] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2018] [Accepted: 07/13/2018] [Indexed: 12/24/2022]
Abstract
Significant progress has been made over the last decade in defining major histocompatibility complex (MHC) diversity at the nucleotide, allele, haplotype, diplotype, and population levels in many non-human species. Much of this progress has been driven by the increased availability and reduced costs associated with nucleotide sequencing technologies. This report provides an update on the activities of the comparative MHC nomenclature committee which is a standing committee of both the International Society for Animal Genetics (ISAG) and the International Union of Immunological Societies (IUIS) where it operates under the umbrella of the Veterinary Immunology Committee (VIC). A previous report from this committee in 2006 defined the role of the committee in providing guidance in the development of a standardized nomenclature for genes and alleles at MHC loci in non-human species. It described the establishment of the Immuno Polymorphism Database, IPD-MHC, which continues to provide public access to high quality MHC sequence data across a range of species. In this report, guidelines for the continued development of a universal MHC nomenclature framework are described, summarizing the continued development of each species section within the IPD-MHC project.
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Affiliation(s)
- Keith T Ballingall
- Moredun Research Institute, Midlothian, UK and Chair of the Comparative MHC Nomenclature Committee, Edinburgh, Scotland, UK.
| | | | | | | | | | | | | | - Lorna J Kennedy
- Centre for Integrated Genomic Medical Research, Manchester, UK
| | - Giuseppe Maccari
- The Pirbright Institute, Pirbright, Surrey, UK.,Anthony Nolan Research Institute, London, UK
| | - Donald Miller
- Baker Institute for Animal Health, College of Veterinary Medicine, Cornell University, Ithaca, NY, USA
| | - James Robinson
- Anthony Nolan Research Institute, London, UK.,UCL Cancer Institute, Royal Free Campus, London, UK
| | - Steven G E Marsh
- Anthony Nolan Research Institute, London, UK.,UCL Cancer Institute, Royal Free Campus, London, UK
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11
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Fan S, Wang Y, Wang S, Wang X, Wu Y, Li Z, Zhang N, Xia C. Polymorphism and peptide-binding specificities of porcine major histocompatibility complex (MHC) class I molecules. Mol Immunol 2018; 93:236-245. [DOI: 10.1016/j.molimm.2017.06.024] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2017] [Revised: 05/07/2017] [Accepted: 06/10/2017] [Indexed: 10/19/2022]
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12
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Powell EJ, Graham J, Ellinwood NM, Hostetter J, Yaeger M, Ho CS, Gault L, Norlin V, Snella EN, Jens J, Waide EH, Boettcher AN, Kerrigan M, Rowland RRR, Ross JW, Dekkers JCM, Tuggle CK. T Cell Lymphoma and Leukemia in Severe Combined Immunodeficiency Pigs following Bone Marrow Transplantation: A Case Report. Front Immunol 2017; 8:813. [PMID: 28747915 PMCID: PMC5506080 DOI: 10.3389/fimmu.2017.00813] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2017] [Accepted: 06/27/2017] [Indexed: 01/03/2023] Open
Abstract
After the discovery of naturally occurring severe combined immunodeficiency (SCID) within a selection line of pigs at Iowa State University, we found two causative mutations in the Artemis gene: haplotype 12 (ART12) and haplotype 16 (ART16). Bone marrow transplants (BMTs) were performed to create genetically SCID and phenotypically immunocompetent breeding animals to establish a SCID colony for further characterization and research utilization. Of nine original BMT transfer recipients, only four achieved successful engraftment. At approximately 11 months of age, both animals homozygous for the ART16 mutation were diagnosed with T cell lymphoma. One of these ART16/ART16 recipients was a male who received a transplant from a female sibling; the tumors in this recipient consist primarily of Y chromosome-positive cells. The other ART16/ART16 animal also presented with leukemia in addition to T cell lymphoma, while one of the ART12/ART16 compound heterozygote recipients presented with a nephroblastoma at a similar age. Human Artemis SCID patients have reported cases of lymphoma associated with a "leaky" Artemis phenotype. The naturally occurring Artemis SCID pig offers a large animal model more similar to human SCID patients and may offer a naturally occurring cancer model and provides a valuable platform for therapy development.
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Affiliation(s)
- Ellis J Powell
- Department of Animal Science, Iowa State University, Ames, IA, United States
| | - Jared Graham
- Department of Animal Science, Iowa State University, Ames, IA, United States
| | - N M Ellinwood
- Department of Animal Science, Iowa State University, Ames, IA, United States
| | - Jesse Hostetter
- Department of Veterinary Pathology Science, Iowa State University, Ames, IA, United States
| | - Michael Yaeger
- Department of Veterinary Pathology Science, Iowa State University, Ames, IA, United States
| | - Chak-Sum Ho
- Gift of Life Michigan, Ann Arbor, MI, United States
| | - Lynden Gault
- Gift of Life Michigan, Ann Arbor, MI, United States
| | | | - Elizabeth N Snella
- Department of Animal Science, Iowa State University, Ames, IA, United States
| | - Jackie Jens
- Department of Animal Science, Iowa State University, Ames, IA, United States
| | - Emily H Waide
- Department of Animal Science, Iowa State University, Ames, IA, United States
| | - Adeline N Boettcher
- Department of Animal Science, Iowa State University, Ames, IA, United States
| | | | | | - Jason W Ross
- Department of Animal Science, Iowa State University, Ames, IA, United States
| | - Jack C M Dekkers
- Department of Animal Science, Iowa State University, Ames, IA, United States
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13
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Sørensen MR, Ilsøe M, Strube ML, Bishop R, Erbs G, Hartmann SB, Jungersen G. Sequence-Based Genotyping of Expressed Swine Leukocyte Antigen Class I Alleles by Next-Generation Sequencing Reveal Novel Swine Leukocyte Antigen Class I Haplotypes and Alleles in Belgian, Danish, and Kenyan Fattening Pigs and Göttingen Minipigs. Front Immunol 2017; 8:701. [PMID: 28670315 PMCID: PMC5472656 DOI: 10.3389/fimmu.2017.00701] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2017] [Accepted: 05/30/2017] [Indexed: 11/13/2022] Open
Abstract
The need for typing of the swine leukocyte antigen (SLA) is increasing with the expanded use of pigs as models for human diseases and organ-transplantation experiments, their use in infection studies, and for design of veterinary vaccines. Knowledge of SLA sequences is furthermore a prerequisite for the prediction of epitope binding in pigs. The low number of known SLA class I alleles and the limited knowledge of their prevalence in different pig breeds emphasizes the need for efficient SLA typing methods. This study utilizes an SLA class I-typing method based on next-generation sequencing of barcoded PCR amplicons. The amplicons were generated with universal primers and predicted to resolve 68-88% of all known SLA class I alleles dependent on amplicon size. We analyzed the SLA profiles of 72 pigs from four different pig populations; Göttingen minipigs and Belgian, Kenyan, and Danish fattening pigs. We identified 67 alleles, nine previously described haplotypes and 15 novel haplotypes. The highest variation in SLA class I profiles was observed in the Danish pigs and the lowest among the Göttingen minipig population, which also have the highest percentage of homozygote individuals. Highlighting the fact that there are still numerous unknown SLA class I alleles to be discovered, a total of 12 novel SLA class I alleles were identified. Overall, we present new information about known and novel alleles and haplotypes and their prevalence in the tested pig populations.
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Affiliation(s)
| | - Mette Ilsøe
- National Veterinary Institute, Technical University of Denmark, Lyngby, Denmark
| | - Mikael Lenz Strube
- National Veterinary Institute, Technical University of Denmark, Lyngby, Denmark
| | - Richard Bishop
- International Livestock Research Institute, Nairobi, Kenya
| | - Gitte Erbs
- National Veterinary Institute, Technical University of Denmark, Lyngby, Denmark
| | | | - Gregers Jungersen
- National Veterinary Institute, Technical University of Denmark, Lyngby, Denmark
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14
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Lassiter R, Wang Y, Fang X, Winn M, Ghaffari A, Ho CS, Helman S, Jajosky R, Kleven D, Stanley Nahman N, Merchen TD. A model of acute renal allograft rejection in outbred Yorkshire piglets. Transpl Immunol 2017; 42:40-46. [PMID: 28495618 DOI: 10.1016/j.trim.2017.05.001] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2016] [Revised: 05/02/2017] [Accepted: 05/05/2017] [Indexed: 11/19/2022]
Abstract
Pigs represent a desirable animal model for the study of rejection in kidney transplantation with inbred Yucatan miniature swine (YMS) the most commonly studied strain due to well defined swine leukocyte antigen (SLA) genotypes. However, limitations to YMS may include cost and availability. Outbred Yorkshire pigs are widely available and significantly cheaper than YMS. Recent advances in SLA genotyping have allowed its application to outbred strains. On this basis, we theorized that Yorkshire pigs would be a viable alternative to YMS for the study of rejection in kidney transplantation. To address this question, we performed auto (Auto) and allotransplants (Allo) in 24 Yorkshire pigs, and assessed SLA genotypes and acute rejection after 72h. At sacrifice, and when compared to autotransplants, allotransplants had significant elevations in serum creatinine (8.4±1.3 vs 2.8±2.0mg/dL for Allo vs autotransplants, respectively) and BUN (61±9 vs 19.2±15mg/dL for Allo vs autotransplants, respectively). Warm ischemia times between the two groups did not differ (24±2.3 vs 26.4±1.4min for Auto vs Allo, respectively). There were 16 distinct SLA haplotypes identified from pigs undergoing allotransplantion, no matched donor-recipient pairs, and all allografts demonstrated rejection. Type IIA cellular rejection (Banff) was the most common. One allograft demonstrated hyperacute rejection due a blood group incompatibility. Histologically, the expression of regulatory Tcells and dendritic cells was increased in allografts. These data suggest that Yorkshire pigs may be a useful model for the study of acute rejection in experimental kidney transplantation.
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Affiliation(s)
- Randi Lassiter
- Department of Surgery, Medical College of Georgia at Augusta University, Augusta, GA, United States
| | - Youli Wang
- Department of Medicine, Medical College of, Georgia, at Augusta University, Augusta, GA, United States
| | - Xuexiu Fang
- Department of Medicine, Medical College of, Georgia, at Augusta University, Augusta, GA, United States
| | - Matt Winn
- Department of Medicine, Medical College of, Georgia, at Augusta University, Augusta, GA, United States
| | - Arina Ghaffari
- Department of Surgery, Medical College of Georgia at Augusta University, Augusta, GA, United States
| | - Chak-Sum Ho
- Gift of Life Michigan, Ann Arbor, MI, United States
| | - Sandra Helman
- Department of Pathology, Medical College of Georgia at Augusta University, Augusta, GA, United States
| | - Ryan Jajosky
- Department of Pathology, Medical College of Georgia at Augusta University, Augusta, GA, United States
| | - Daniel Kleven
- Department of Pathology, Medical College of Georgia at Augusta University, Augusta, GA, United States
| | - N Stanley Nahman
- Department of Medicine, Medical College of, Georgia, at Augusta University, Augusta, GA, United States; Charlie Norwood VAMC, Augusta, GA, United States.
| | - Todd D Merchen
- Department of Surgery, Medical College of Georgia at Augusta University, Augusta, GA, United States
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15
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Gao C, Quan J, Jiang X, Li C, Lu X, Chen H. Swine Leukocyte Antigen Diversity in Canadian Specific Pathogen-Free Yorkshire and Landrace Pigs. Front Immunol 2017; 8:282. [PMID: 28360911 PMCID: PMC5350106 DOI: 10.3389/fimmu.2017.00282] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/29/2016] [Accepted: 02/28/2017] [Indexed: 01/09/2023] Open
Abstract
The highly polymorphic swine major histocompatibility complex (MHC), termed swine leukocyte antigen (SLA), is associated with different levels of immunologic responses to infectious diseases, vaccines, and transplantation. Pig breeds with known SLA haplotypes are important genetic resources for biomedical research. Canadian Yorkshire and Landrace pigs represent the current specific pathogen-free (SPF) breeding stock maintained in the isolation environment at the Harbin Veterinary Research Institute, Chinese Academy of Agricultural Sciences. In this study, we identified 61 alleles at five polymorphic SLA loci (SLA-1, SLA-2, SLA-3, DRB1, and DQB1) representing 17 class I haplotypes and 11 class II haplotypes using reverse transcription-polymerase chain reaction (RT-PCR) sequence-based typing and PCR-sequence specific primers methods in 367 Canadian SPF Yorkshire and Landrace pigs. The official designation of the alleles has been assigned by the SLA Nomenclature Committee of the International Society for Animal Genetics and released in updated Immuno Polymorphism Database-MHC SLA sequence database [Release 2.0.0.3 (2016-11-03)]. The submissions confirmed some unassigned alleles and standardized nomenclatures of many previously unconfirmed alleles in the GenBank database. Three class I haplotypes, Hp-37.0, 63.0, and 73.0, appeared to be novel and have not previously been reported in other pig populations. One crossover within the class I region and two between class I and class II regions were observed, resulting in three new recombinant haplotypes. The presence of the duplicated SLA-1 locus was confirmed in three class I haplotypes Hp-28.0, Hp-35.0, and Hp-63.0. Furthermore, we also analyzed the functional diversities of 19 identified frequent SLA class I molecules in this study and confirmed the existence of four supertypes using the MHCcluster method. These results will be useful for studying the adaptive immune response and immunological phenotypic differences in pigs, screening potential T-cell epitopes, and further developing the more effective vaccines.
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Affiliation(s)
- Caixia Gao
- Laboratory Animal and Comparative Medicine Team, State Key Laboratory of Veterinary Biotechnology, Harbin Veterinary Research Institute, Chinese Academy of Agricultural Sciences (CAAS) , Harbin , China
| | - Jinqiang Quan
- Laboratory Animal and Comparative Medicine Team, State Key Laboratory of Veterinary Biotechnology, Harbin Veterinary Research Institute, Chinese Academy of Agricultural Sciences (CAAS) , Harbin , China
| | - Xinjie Jiang
- Laboratory Animal and Comparative Medicine Team, State Key Laboratory of Veterinary Biotechnology, Harbin Veterinary Research Institute, Chinese Academy of Agricultural Sciences (CAAS) , Harbin , China
| | - Changwen Li
- Laboratory Animal and Comparative Medicine Team, State Key Laboratory of Veterinary Biotechnology, Harbin Veterinary Research Institute, Chinese Academy of Agricultural Sciences (CAAS) , Harbin , China
| | - Xiaoye Lu
- Laboratory Animal and Comparative Medicine Team, State Key Laboratory of Veterinary Biotechnology, Harbin Veterinary Research Institute, Chinese Academy of Agricultural Sciences (CAAS) , Harbin , China
| | - Hongyan Chen
- Laboratory Animal and Comparative Medicine Team, State Key Laboratory of Veterinary Biotechnology, Harbin Veterinary Research Institute, Chinese Academy of Agricultural Sciences (CAAS) , Harbin , China
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16
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Kametani Y, Ohshima S, Miyamoto A, Shigenari A, Takasu M, Imaeda N, Matsubara T, Tanaka M, Shiina T, Kamiguchi H, Suzuki R, Kitagawa H, Kulski JK, Hirayama N, Inoko H, Ando A. Production of a Locus- and Allele-Specific Monoclonal Antibody for the Characterization of SLA-1*0401 mRNA and Protein Expression Levels in MHC-Defined Microminipigs. PLoS One 2016; 11:e0164995. [PMID: 27760184 PMCID: PMC5070868 DOI: 10.1371/journal.pone.0164995] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2016] [Accepted: 10/04/2016] [Indexed: 12/17/2022] Open
Abstract
The class I major histocompatibility complex (MHC) presents self-developed peptides to specific T cells to induce cytotoxity against infection. The MHC proteins are encoded by multiple loci that express numerous alleles to preserve the variability of the antigen-presenting ability in each species. The mechanism regulating MHC mRNA and protein expression at each locus is difficult to analyze because of the structural and sequence similarities between alleles. In this study, we examined the correlation between the mRNA and surface protein expression of swine leukocyte antigen (SLA)-1*0401 after the stimulation of peripheral blood mononuclear cells (PBMCs) by Staphylococcus aureus superantigen toxic shock syndrome toxin-1 (TSST-1). We prepared a monoclonal antibody (mAb) against a domain composed of Y102, L103 and L109 in the α2 domain. The Hp-16.0 haplotype swine possess only SLA-1*0401, which has the mAb epitope, while other haplotypes possess 0 to 3 SLA classical class I loci with the mAb epitopes. When PBMCs from SLA-1*0401 homozygous pigs were stimulated, the SLA-1*0401 mRNA expression level increased until 24 hrs and decreased at 48 hrs. The kinetics of the interferon regulatory transcription factor-1 (IRF-1) mRNA level were similar to those of the SLA-1*0401 mRNA. However, the surface protein expression level continued to increase until 72 hrs. Similar results were observed in the Hp-10.0 pigs with three mAb epitopes. These results suggest that TSST-1 stimulation induced both mRNA and surface protein expression of class I SLA in the swine PBMCs differentially and that the surface protein level was sustained independently of mRNA regulation.
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Affiliation(s)
- Yoshie Kametani
- Department of Molecular Life Science, Division of Basic Medical Science, Tokai University School of Medicine, Isehara, Kanagawa, Japan
- Institute of Advanced Biosciences, Tokai University, Kanagawa, Japan
- * E-mail:
| | - Shino Ohshima
- Department of Molecular Life Science, Division of Basic Medical Science, Tokai University School of Medicine, Isehara, Kanagawa, Japan
| | - Asuka Miyamoto
- Department of Molecular Life Science, Division of Basic Medical Science, Tokai University School of Medicine, Isehara, Kanagawa, Japan
| | - Atsuko Shigenari
- Department of Molecular Life Science, Division of Basic Medical Science, Tokai University School of Medicine, Isehara, Kanagawa, Japan
| | - Masaki Takasu
- Department of Veterinary Medicine, Faculty of Applied Biological Sciences, Gifu University, Gifu, Gifu, Japan
| | - Noriaki Imaeda
- Department of Veterinary Medicine, Faculty of Applied Biological Sciences, Gifu University, Gifu, Gifu, Japan
| | - Tatsuya Matsubara
- Department of Veterinary Medicine, Faculty of Applied Biological Sciences, Gifu University, Gifu, Gifu, Japan
| | - Masafumi Tanaka
- Department of Molecular Life Science, Division of Basic Medical Science, Tokai University School of Medicine, Isehara, Kanagawa, Japan
| | - Takashi Shiina
- Department of Molecular Life Science, Division of Basic Medical Science, Tokai University School of Medicine, Isehara, Kanagawa, Japan
| | - Hiroshi Kamiguchi
- Teaching and Research Support Center, Tokai University School of Medicine, Isehara, Japan
| | - Ryuji Suzuki
- Department of Rheumatology and Clinical Immunology, Clinical Research Center for Allergy and Rheumatology, Sagamihara National Hospital, National Hospital Organization, Sagamihara, Kanagawa, Japan
| | - Hitoshi Kitagawa
- Department of Veterinary Medicine, Faculty of Applied Biological Sciences, Gifu University, Gifu, Gifu, Japan
| | - Jerzy K. Kulski
- Department of Molecular Life Science, Division of Basic Medical Science, Tokai University School of Medicine, Isehara, Kanagawa, Japan
- School of Psychiatry and Clinical Neurosciences, The University of Western Australia, Crawley WA, Australia
| | - Noriaki Hirayama
- Institute of Glycoscience, Tokai University, Hiratsuka, Kanagawa, Japan
| | - Hidetoshi Inoko
- Department of Molecular Life Science, Division of Basic Medical Science, Tokai University School of Medicine, Isehara, Kanagawa, Japan
| | - Asako Ando
- Department of Molecular Life Science, Division of Basic Medical Science, Tokai University School of Medicine, Isehara, Kanagawa, Japan
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17
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Gimsa U, Ho CS, Hammer SE. Preferred SLA class I/class II haplotype combinations in German Landrace pigs. Immunogenetics 2016; 69:39-47. [DOI: 10.1007/s00251-016-0946-6] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/13/2016] [Accepted: 07/20/2016] [Indexed: 10/21/2022]
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18
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Choi H, Le MT, Lee H, Choi MK, Cho HS, Nagasundarapandian S, Kwon OJ, Kim JH, Seo K, Park JK, Lee JH, Ho CS, Park C. Sequence variations of the locus-specific 5' untranslated regions of SLA class I genes and the development of a comprehensive genomic DNA-based high-resolution typing method for SLA-2. ACTA ACUST UNITED AC 2016; 86:255-66. [PMID: 26381046 DOI: 10.1111/tan.12648] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2015] [Revised: 06/30/2015] [Accepted: 08/03/2015] [Indexed: 11/30/2022]
Abstract
The genetic diversity of the major histocompatibility complex (MHC) class I molecules of pigs has not been well characterized. Therefore, the influence of MHC genetic diversity on the immune-related traits of pigs, including disease resistance and other MHC-dependent traits, is not well understood. Here, we attempted to develop an efficient method for systemic analysis of the polymorphisms in the epitope-binding region of swine leukocyte antigens (SLA) class I genes. We performed a comparative analysis of the last 92 bp of the 5' untranslated region (UTR) to the beginning of exon 4 of six SLA classical class I-related genes, SLA-1, -2, -3, -4, -5, and -9, from 36 different sequences. Based on this information, we developed a genomic polymerase chain reaction (PCR) and direct sequencing-based comprehensive typing method for SLA-2. We successfully typed SLA-2 from 400 pigs and 8 cell lines, consisting of 9 different pig breeds, and identified 49 SLA-2 alleles, including 31 previously reported alleles and 18 new alleles. We observed differences in the composition of SLA-2 alleles among different breeds. Our method can be used to study other SLA class I loci and to deepen our knowledge of MHC class I genes in pigs.
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Affiliation(s)
- H Choi
- Department of Animal Biotechnology, Konkuk University, Seoul, South Korea
| | - M T Le
- Department of Animal Biotechnology, Konkuk University, Seoul, South Korea
| | - H Lee
- Department of Animal Biotechnology, Konkuk University, Seoul, South Korea
| | - M-K Choi
- Department of Animal Biotechnology, Konkuk University, Seoul, South Korea
| | - H-S Cho
- Department of Animal Biotechnology, Konkuk University, Seoul, South Korea
| | | | - O-J Kwon
- Department of Animal Biotechnology, Konkuk University, Seoul, South Korea
| | - J-H Kim
- Department of Animal Biotechnology, Konkuk University, Seoul, South Korea
| | - K Seo
- College of Veterinary Medicine, Konkuk University, Seoul, South Korea
| | - J-K Park
- Department of Swine and Poultry Science, Korea National College of Agriculture and Fisheries, Jeonju-si, South Korea
| | - J-H Lee
- Department of Animal Resource and Life Science, Chungnam National University, Daejeon, South Korea
| | - C-S Ho
- Histocompatibility Laboratory, Gift of Life Michigan, Ann Arbor, MI, USA
| | - C Park
- Department of Animal Biotechnology, Konkuk University, Seoul, South Korea
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19
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Choi NR, Seo DW, Choi KM, Ko NY, Kim JH, Kim HI, Jung WY, Lee JH. Analysis of Swine Leukocyte Antigen Haplotypes in Yucatan Miniature Pigs Used as Biomedical Model Animal. ASIAN-AUSTRALASIAN JOURNAL OF ANIMAL SCIENCES 2016; 29:321-6. [PMID: 26950861 PMCID: PMC4811781 DOI: 10.5713/ajas.15.0331] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/17/2015] [Revised: 07/13/2015] [Accepted: 08/12/2015] [Indexed: 11/27/2022]
Abstract
The porcine major histocompatibility complex (MHC) is called swine leukocyte antigen (SLA), which controls immune responses and transplantation reactions. The SLA is mapped on pig chromosome 7 (SSC7) near the centromere. In this study, 3 class I (SLA-1, SLA-3, and SLA-2) and 3 class II (DRB1, DQB1, and DQA) genes were used for investigation of SLA haplotypes in Yucatan miniature pigs in Korea. This pig breed is a well-known model organism for biomedical research worldwide. The current study indicated that Korean Yucatan pig population had 3 Class I haplotypes (Lr-4.0, Lr-6.0, and Lr-25.0) and 3 class II haplotypes (Lr-0.5, Lr-0.7, and Lr-0.25). The combinations of SLA class I and II haplotype together, 2 homozygous (Lr-4.5/4.5 and Lr-6.7/6.7) and 3 heterozygous (Lr-4.5/6.7, Lr-4.5/25.25, and Lr-6.7/25.25) haplotypes were identified, including previously unidentified new heterozygous haplotypes (Lr-4.5/4.7). In addition, a new SLA allele typing method using Agilent 2100 bioanalyzer was developed that permitted more rapid identification of SLA haplotypes. These results will facilitate the breeding of SLA homozygous Yucatan pigs and will expedite the possible use of these pigs for the biomedical research, especially xenotransplantation research.
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Affiliation(s)
| | | | | | | | - Ji-Ho Kim
- Optipharm Inc, Cheongju 28158, Korea
| | | | - Woo-Young Jung
- Hanwoo Improvement Center, National Agricultural Cooperative Federation, Seosan 31948, Korea
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20
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Overgaard NH, Frøsig TM, Welner S, Rasmussen M, Ilsøe M, Sørensen MR, Andersen MH, Buus S, Jungersen G. Establishing the pig as a large animal model for vaccine development against human cancer. Front Genet 2015; 6:286. [PMID: 26442104 PMCID: PMC4584933 DOI: 10.3389/fgene.2015.00286] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2015] [Accepted: 08/28/2015] [Indexed: 12/13/2022] Open
Abstract
Immunotherapy has increased overall survival of metastatic cancer patients, and cancer antigens are promising vaccine targets. To fulfill the promise, appropriate tailoring of the vaccine formulations to mount in vivo cytotoxic T cell (CTL) responses toward co-delivered cancer antigens is essential. Previous development of therapeutic cancer vaccines has largely been based on studies in mice, and the majority of these candidate vaccines failed to induce therapeutic responses in the subsequent human clinical trials. Given that antigen dose and vaccine volume in pigs are translatable to humans and the porcine immunome is closer related to the human counterpart, we here introduce pigs as a supplementary large animal model for human cancer vaccine development. IDO and RhoC, both important in human cancer development and progression, were used as vaccine targets and 12 pigs were immunized with overlapping 20mer peptides spanning the entire porcine IDO and RhoC sequences formulated in CTL-inducing adjuvants: CAF09, CASAC, Montanide ISA 51 VG, or PBS. Taking advantage of recombinant swine MHC class I molecules (SLAs), the peptide-SLA complex stability was measured for 198 IDO- or RhoC-derived 9-11mer peptides predicted to bind to SLA-1*04:01, −1*07:02, −2*04:01, −2*05:02, and/or −3*04:01. This identified 89 stable (t½ ≥ 0.5 h) peptide-SLA complexes. By IFN-γ release in PBMC cultures we monitored the vaccine-induced peptide-specific CTL responses, and found responses to both IDO- and RhoC-derived peptides across all groups with no adjuvant being superior. These findings support the further use of pigs as a large animal model for vaccine development against human cancer.
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Affiliation(s)
- Nana H Overgaard
- Department of Immunology and Vaccinology, National Veterinary Institute, Technical University of Denmark Copenhagen, Denmark
| | - Thomas M Frøsig
- Department of Immunology and Vaccinology, National Veterinary Institute, Technical University of Denmark Copenhagen, Denmark
| | - Simon Welner
- Department of Immunology and Vaccinology, National Veterinary Institute, Technical University of Denmark Copenhagen, Denmark
| | - Michael Rasmussen
- Department of International Health, Immunology and Microbiology, University of Copenhagen Copenhagen, Denmark
| | - Mette Ilsøe
- Department of Immunology and Vaccinology, National Veterinary Institute, Technical University of Denmark Copenhagen, Denmark
| | - Maria R Sørensen
- Department of Immunology and Vaccinology, National Veterinary Institute, Technical University of Denmark Copenhagen, Denmark
| | - Mads H Andersen
- Center for Cancer Immune Therapy, Department of Hematology, Copenhagen University Hospital Herlev, Denmark
| | - Søren Buus
- Department of International Health, Immunology and Microbiology, University of Copenhagen Copenhagen, Denmark
| | - Gregers Jungersen
- Department of Immunology and Vaccinology, National Veterinary Institute, Technical University of Denmark Copenhagen, Denmark
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Gutiérrez AH, Martin WD, Bailey-Kellogg C, Terry F, Moise L, De Groot AS. Development and validation of an epitope prediction tool for swine (PigMatrix) based on the pocket profile method. BMC Bioinformatics 2015; 16:290. [PMID: 26370412 PMCID: PMC4570239 DOI: 10.1186/s12859-015-0724-8] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2015] [Accepted: 08/26/2015] [Indexed: 12/14/2022] Open
Abstract
Background T cell epitope prediction tools and associated vaccine design algorithms have accelerated the development of vaccines for humans. Predictive tools for swine and other food animals are not as well developed, primarily because the data required to develop the tools are lacking. Here, we overcome a lack of T cell epitope data to construct swine epitope predictors by systematically leveraging available human information. Applying the “pocket profile method”, we use sequence and structural similarities in the binding pockets of human and swine major histocompatibility complex proteins to infer Swine Leukocyte Antigen (SLA) peptide binding preferences. We developed epitope-prediction matrices (PigMatrices), for three SLA class I alleles (SLA-1*0401, 2*0401 and 3*0401) and one class II allele (SLA-DRB1*0201), based on the binding preferences of the best-matched Human Leukocyte Antigen (HLA) pocket for each SLA pocket. The contact residues involved in the binding pockets were defined for class I based on crystal structures of either SLA (SLA-specific contacts, Ssc) or HLA supertype alleles (HLA contacts, Hc); for class II, only Hc was possible. Different substitution matrices were evaluated (PAM and BLOSUM) for scoring pocket similarity and identifying the best human match. The accuracy of the PigMatrices was compared to available online swine epitope prediction tools such as PickPocket and NetMHCpan. Results PigMatrices that used Ssc to define the pocket sequences and PAM30 to score pocket similarity demonstrated the best predictive performance and were able to accurately separate binders from random peptides. For SLA-1*0401 and 2*0401, PigMatrix achieved area under the receiver operating characteristic curves (AUC) of 0.78 and 0.73, respectively, which were equivalent or better than PickPocket (0.76 and 0.54) and NetMHCpan version 2.4 (0.41 and 0.51) and version 2.8 (0.72 and 0.71). In addition, we developed the first predictive SLA class II matrix, obtaining an AUC of 0.73 for existing SLA-DRB1*0201 epitopes. Notably, PigMatrix achieved this level of predictive power without training on SLA binding data. Conclusion Overall, the pocket profile method combined with binding preferences from HLA binding data shows significant promise for developing T cell epitope prediction tools for pigs. When combined with existing vaccine design algorithms, PigMatrix will be useful for developing genome-derived vaccines for a range of pig pathogens for which no effective vaccines currently exist (e.g. porcine reproductive and respiratory syndrome, influenza and porcine epidemic diarrhea). Electronic supplementary material The online version of this article (doi:10.1186/s12859-015-0724-8) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Andres H Gutiérrez
- Institute for Immunology and Informatics, CMB/CELS, University of Rhode Island, Providence, RI, 02903, USA.
| | | | | | | | - Leonard Moise
- Institute for Immunology and Informatics, CMB/CELS, University of Rhode Island, Providence, RI, 02903, USA. .,EpiVax, Inc., Providence, RI, 02860, USA.
| | - Anne S De Groot
- Institute for Immunology and Informatics, CMB/CELS, University of Rhode Island, Providence, RI, 02903, USA. .,EpiVax, Inc., Providence, RI, 02860, USA.
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22
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Bruffaerts N, Pedersen LE, Vandermeulen G, Préat V, Stockhofe-Zurwieden N, Huygen K, Romano M. Increased B and T Cell Responses in M. bovis Bacille Calmette-Guérin Vaccinated Pigs Co-Immunized with Plasmid DNA Encoding a Prototype Tuberculosis Antigen. PLoS One 2015; 10:e0132288. [PMID: 26172261 PMCID: PMC4501720 DOI: 10.1371/journal.pone.0132288] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2015] [Accepted: 06/11/2015] [Indexed: 11/18/2022] Open
Abstract
The only tuberculosis vaccine currently available, bacille Calmette-Guérin (BCG) is a poor inducer of CD8(+) T cells, which are particularly important for the control of latent tuberculosis and protection against reactivation. As the induction of strong CD8(+) T cell responses is a hallmark of DNA vaccines, a combination of BCG with plasmid DNA encoding a prototype TB antigen (Ag85A) was tested. As an alternative animal model, pigs were primed with BCG mixed with empty vector or codon-optimized pAg85A by the intradermal route and boosted with plasmid delivered by intramuscular electroporation. Control pigs received unformulated BCG. The BCG-pAg85A combination stimulated robust and sustained Ag85A specific antibody, lymphoproliferative, IL-6, IL-10 and IFN-γ responses. IgG1/IgG2 antibody isotype ratio reflected the Th1 helper type biased response. T lymphocyte responses against purified protein derivative of tuberculin (PPD) were induced in all (BCG) vaccinated animals, but responses were much stronger in BCG-pAg85A vaccinated pigs. Finally, Ag85A-specific IFN-γ producing CD8(+) T cells were detected by intracellular cytokine staining and a synthetic peptide, spanning Ag85A131-150 and encompassing two regions with strong predicted SLA-1*0401/SLA-1*0801 binding affinity, was promiscuously recognized by 6/6 animals vaccinated with the BCG-pAg85A combination. Our study provides a proof of concept in a large mammalian species, for a new Th1 and CD8(+) targeting tuberculosis vaccine, based on BCG-plasmid DNA co-administration.
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Affiliation(s)
- Nicolas Bruffaerts
- Service Immunology, Scientific Institute for Public Health (WIV-ISP Site Ukkel), Brussels, Belgium
| | - Lasse E. Pedersen
- Section for Immunology and Vaccinology, Technical University of Denmark, Bulowsvej Frederiksberg C, Denmark
| | - Gaëlle Vandermeulen
- Louvain Drug Research Institute, Pharmaceutics and Drug Delivery, Université Catholique de Louvain, Brussels, Belgium
| | - Véronique Préat
- Louvain Drug Research Institute, Pharmaceutics and Drug Delivery, Université Catholique de Louvain, Brussels, Belgium
| | - Norbert Stockhofe-Zurwieden
- Division Infection Biology Central Veterinary Institute, Part of Wageningen U(niversity)&R(esearch); Lelystad, The Netherlands
| | - Kris Huygen
- Service Immunology, Scientific Institute for Public Health (WIV-ISP Site Ukkel), Brussels, Belgium
- * E-mail:
| | - Marta Romano
- Service Immunology, Scientific Institute for Public Health (WIV-ISP Site Ukkel), Brussels, Belgium
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Pedersen LE, Jungersen G, Sorensen MR, Ho CS, Vadekær DF. Swine Leukocyte Antigen (SLA) class I allele typing of Danish swine herds and identification of commonly occurring haplotypes using sequence specific low and high resolution primers. Vet Immunol Immunopathol 2014; 162:108-16. [PMID: 25457547 DOI: 10.1016/j.vetimm.2014.10.007] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/23/2014] [Revised: 10/14/2014] [Accepted: 10/16/2014] [Indexed: 11/18/2022]
Abstract
The swine major histocompatibility complex (MHC) genomic region (SLA) is extremely polymorphic comprising high numbers of different alleles, many encoding a distinct MHC class I molecule, which binds and presents endogenous peptides to circulating T cells of the immune system. Upon recognition of such peptide-MHC complexes (pMHC) naïve T cells can become activated and respond to a given pathogen leading to its elimination and the generation of memory cells. Hence SLA plays a crucial role in maintaining overall adaptive immunologic resistance to pathogens. Knowing which SLA alleles that are commonly occurring can be of great importance in regard to future vaccine development and the establishment of immune protection in swine through broad coverage, highly specific, subunit based vaccination against viruses such as swine influenza, porcine reproductive and respiratory syndrome virus, vesicular stomatitis virus, foot-and-mouth-disease virus and others. Here we present the use of low- and high-resolution PCR-based typing methods to identify individual and commonly occurring SLA class I alleles in Danish swine. A total of 101 animals from seven different herds were tested, and by low resolution typing the top four most frequent SLA class I alleles were those of the allele groups SLA-3*04XX, SLA-1*08XX, SLA-2*02XX, and SLA-1*07XX, respectively. Customised high resolution primers were used to identify specific alleles within the above mentioned allele groups as well as within the SLA-2*05XX allele group. Our studies also suggest the most common haplotype in Danish pigs to be Lr-4.0 expressing the SLA-1*04XX, SLA-2*04XX, and SLA-3*04XX allele combination.
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Affiliation(s)
- Lasse Eggers Pedersen
- The National Veterinary Institute, Technical University of Denmark, 1870 Frederiksberg C, Denmark
| | - Gregers Jungersen
- The National Veterinary Institute, Technical University of Denmark, 1870 Frederiksberg C, Denmark.
| | - Maria Rathmann Sorensen
- The National Veterinary Institute, Technical University of Denmark, 1870 Frederiksberg C, Denmark
| | - Chak-Sum Ho
- Histocompatibility Laboratory, Gift of Life Michigan, Ann Arbor, MI 48108, USA
| | - Dorte Fink Vadekær
- The National Veterinary Institute, Technical University of Denmark, 1870 Frederiksberg C, Denmark
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24
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Reyes LM, Blosser RJ, Smith RF, Miner AC, Paris LL, Blankenship RL, Tector MF, Tector AJ. Characterization of swine leucocyte antigen alleles in a crossbred pig to be used in xenotransplant studies. ACTA ACUST UNITED AC 2014; 84:484-8. [DOI: 10.1111/tan.12430] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/05/2014] [Revised: 07/21/2014] [Accepted: 07/29/2014] [Indexed: 11/28/2022]
Affiliation(s)
- L. M. Reyes
- Indiana University School of Medicine; Department of Surgery; Indianapolis IN USA
| | - R. J. Blosser
- Indiana University School of Medicine; Department of Surgery; Indianapolis IN USA
| | - R. F. Smith
- Indiana University School of Medicine; Department of Surgery; Indianapolis IN USA
| | - A. C. Miner
- Indiana University School of Medicine; Department of Surgery; Indianapolis IN USA
| | - L. L. Paris
- Indiana University School of Medicine; Department of Surgery; Indianapolis IN USA
| | - R. L. Blankenship
- Indiana University School of Medicine; Department of Surgery; Indianapolis IN USA
| | | | - A. J. Tector
- Indiana University Health Transplant Institute, Department of Surgery; Indiana University School of Medicine; Indianapolis IN USA
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25
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Pedersen LE, Breum SØ, Riber U, Larsen LE, Jungersen G. Identification of swine influenza virus epitopes and analysis of multiple specificities expressed by cytotoxic T cell subsets. Virol J 2014; 11:163. [PMID: 25192825 PMCID: PMC4161877 DOI: 10.1186/1743-422x-11-163] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/17/2014] [Accepted: 09/01/2014] [Indexed: 11/13/2022] Open
Abstract
BACKGROUND Major histocompatibility complex (MHC) class I peptide binding and presentation are essential for antigen-specific activation of cytotoxic T lymphocytes (CTLs) and swine MHC class I molecules, also termed swine leukocyte antigens (SLA), thus play a crucial role in the process that leads to elimination of viruses such as swine influenza virus (SwIV). This study describes the identification of SLA-presented peptide epitopes that are targets for a swine CTL response, and further analyses multiple specificities expressed by SwIV activated CTL subsets. FINDINGS Four SwIV derived peptides were identified as T cell epitopes using fluorescent influenza:SLA tetramers. In addition, multiple CTL specificities were analyzed using peptide sequence substitutions in two of the four epitope candidates analyzed. Interestingly both conserved and substituted peptides were found to stain the CD4-CD8+ T cell subsets indicating multiple specificities. CONCLUSIONS This study describes a timely and cost-effective approach for viral epitope identification in livestock animals. Analysis of T cell subsets showed multiple specificities suggesting SLA-bound epitope recognition of different conformations.
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Affiliation(s)
- Lasse E Pedersen
- National Veterinary Institute, Technical University of Denmark, Frederiksberg C, Denmark
| | - Solvej Ø Breum
- National Veterinary Institute, Technical University of Denmark, Frederiksberg C, Denmark
| | - Ulla Riber
- National Veterinary Institute, Technical University of Denmark, Frederiksberg C, Denmark
| | - Lars E Larsen
- National Veterinary Institute, Technical University of Denmark, Frederiksberg C, Denmark
| | - Gregers Jungersen
- National Veterinary Institute, Technical University of Denmark, Frederiksberg C, Denmark
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26
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Ando A, Imaeda N, Ohshima S, Miyamoto A, Kaneko N, Takasu M, Shiina T, Kulski JK, Inoko H, Kitagawa H. Characterization of swine leukocyte antigen alleles and haplotypes on a novel miniature pig line, Microminipig. Anim Genet 2014; 45:791-8. [DOI: 10.1111/age.12199] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 06/18/2014] [Indexed: 11/29/2022]
Affiliation(s)
- A. Ando
- Department of Molecular Life Science; Division of Basic Medical Science and Molecular Medicine; Tokai University School of Medicine; Isehara 259-1193 Japan
| | - N. Imaeda
- Department of Veterinary Medicine; Faculty of Applied Biological Sciences; Gifu University; Gifu 501-1193 Japan
| | - S. Ohshima
- Department of Molecular Life Science; Division of Basic Medical Science and Molecular Medicine; Tokai University School of Medicine; Isehara 259-1193 Japan
| | - A. Miyamoto
- Department of Molecular Life Science; Division of Basic Medical Science and Molecular Medicine; Tokai University School of Medicine; Isehara 259-1193 Japan
| | - N. Kaneko
- Fuji Micra Inc.; Fujinomiya 418-0005 Japan
| | - M. Takasu
- Department of Veterinary Medicine; Faculty of Applied Biological Sciences; Gifu University; Gifu 501-1193 Japan
| | - T. Shiina
- Department of Molecular Life Science; Division of Basic Medical Science and Molecular Medicine; Tokai University School of Medicine; Isehara 259-1193 Japan
| | - J. K. Kulski
- Department of Molecular Life Science; Division of Basic Medical Science and Molecular Medicine; Tokai University School of Medicine; Isehara 259-1193 Japan
- Centre for Forensic Science; The University of Western Australia; Nedlands WA 6008 Australia
| | - H. Inoko
- Department of Molecular Life Science; Division of Basic Medical Science and Molecular Medicine; Tokai University School of Medicine; Isehara 259-1193 Japan
| | - H. Kitagawa
- Department of Veterinary Medicine; Faculty of Applied Biological Sciences; Gifu University; Gifu 501-1193 Japan
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27
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Jung WY, Choi NR, Seo DW, Lim HT, Ho CS, Lee JH. Sequence-based characterization of five SLA loci in Asian wild boars. Int J Immunogenet 2014; 41:397-400. [PMID: 25053502 DOI: 10.1111/iji.12141] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/24/2013] [Revised: 05/18/2014] [Accepted: 07/03/2014] [Indexed: 11/29/2022]
Abstract
Two swine leucocyte antigen (SLA) class I (SLA-1 and SLA-2) and three class II (DRB1, DQB1 and DQA) genes were investigated for their diversity in Asian wild boars using a sequence-based typing method. A total of 15 alleles were detected at these loci, with eleven being novel. The findings provide one of the first glimpses of the SLA allelic diversity and architecture in the wild boar populations.
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Affiliation(s)
- W Y Jung
- Department of Animal Science and Biotechnology, Chungnam National University, Daejeon, Korea; Hanwoo Improvement Center, National Agricultural Cooperative Federation, Seosan, Chungnam, Korea
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28
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Yang QL, Kong JJ, Wang DW, Zhao SG, Gun SB. Swine Leukocyte Antigen-DQA Gene Variation and Its Association with Piglet Diarrhea in Large White, Landrace and Duroc. ASIAN-AUSTRALASIAN JOURNAL OF ANIMAL SCIENCES 2014; 26:1065-71. [PMID: 25049886 PMCID: PMC4093232 DOI: 10.5713/ajas.2013.13067] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/29/2013] [Revised: 04/23/2013] [Accepted: 03/29/2013] [Indexed: 01/17/2023]
Abstract
The swine leukocyte antigen class II molecules are possibly associated with the induction of protective immunity. The study described here was to investigate the relationship between polymorphisms in exon 2 of the swine DQA gene and piglet diarrhea. This study was carried out on 425 suckling piglets from three purebred pig strains (Large White, Landrace and Duroc). The genetic diversity of exon 2 in swine DQA was detected by PCR-SSCP and sequencing analysis, eight unique SSCP patterns (AB, BB, BC, CC, CD, BD, BE and DD) representing five specific allele (A to E) sequences were detected. Sequence analysis revealed 21 nucleotide variable sites and resulting in 12 amino acid substitutions in the populations. A moderate level polymorphism and significant deviations from Hardy-Weinberg equilibrium of the genotypes distribution were observed in the populations (p<0.01). The association analysis indicated that there was a statistically significant difference in the score of piglet diarrhea between different genotypes, individuals with genotype CC showed a lower diarrhea score than genotypes AB (0.98±0.09), BB (0.85±0.77) and BC (1.25±0.23) (p<0.05), and significantly low than genotype BE (1.19±0.19) (p<0.01), CC genotype may be a most resistance genotype for piglet diarrhea.
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Affiliation(s)
- Q L Yang
- College of Animal Science and Technology, Gansu Agricultural University, Lanzhou, 730070, China
| | - J J Kong
- College of Animal Science and Technology, Gansu Agricultural University, Lanzhou, 730070, China
| | - D W Wang
- College of Animal Science and Technology, Gansu Agricultural University, Lanzhou, 730070, China
| | - S G Zhao
- College of Animal Science and Technology, Gansu Agricultural University, Lanzhou, 730070, China
| | - S B Gun
- College of Animal Science and Technology, Gansu Agricultural University, Lanzhou, 730070, China
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29
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Gao C, Jiang Q, Guo D, Liu J, Han L, Qu L. Characterization of swine leukocyte antigen (SLA) polymorphism by sequence-based and PCR-SSP methods in Chinese Bama miniature pigs. DEVELOPMENTAL AND COMPARATIVE IMMUNOLOGY 2014; 45:87-96. [PMID: 24560654 DOI: 10.1016/j.dci.2014.02.006] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/11/2013] [Revised: 02/11/2014] [Accepted: 02/11/2014] [Indexed: 06/03/2023]
Abstract
The highly polymorphic swine leukocyte antigen (SLA) genes have been repeatedly shown to influence swine immune traits, disease resistance, vaccine responsiveness and tumour penetrance. Analysis of the SLA diversity in as many pig breeds as possible is important to clarify the relationships between SLA genes and diseases or traits, and develop these pigs as valuable animal models for biomedical research. The Chinese Bama miniature pig breed is an economically significant breed that is available at several research institutions in China. In this study, we identified a total of 32 alleles at five polymorphic SLA loci (SLA-1, SLA-3, SLA-2, DRB1 and DQB1) representing nine class I and seven class II haplotypes using the reverse transcription polymerase chain reaction (RT-PCR) sequence-based typing (SBT) method. The possible functional sites of the SLA genes were predicted and analyzed by comparison with those of the human and mouse. Based on the sequence information, we subsequently developed a rapid PCR-based typing assay using sequence-specific primers (PCR-SSP) to efficiently follow the SLA types of the progeny. In the studied cohort (2n = 562), the most prevalent Haplotype Hp-35.6 (SLA-1(∗)1201, SLA-1(∗)1301-SLA-3(∗)0502-SLA-2(∗)1001-DRB1(∗)0501-DQB1(∗)0801) was identified in 182 Bama pigs with a frequency of 32.38%. The presence of the duplicated SLA-1 locus was confirmed in five of the class I haplotypes. Moreover, we identified two crossovers within the class I region and one between the class I and class II regions, which corresponded to recombination frequencies of 0.36% and 0.18%, respectively. The information of this study is essential for an understanding of the SLA allelic architecture and diversity, and it will be helpful for studying the adaptive immune response and further developing the more effective vaccines in the context of SLA specificities.
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Affiliation(s)
- Caixia Gao
- State Key Laboratory of Veterinary Biotechnology, Harbin Veterinary Research Institute, Chinese Academy of Agricultural Sciences (CAAS), Harbin 150001, China
| | - Qian Jiang
- State Key Laboratory of Veterinary Biotechnology, Harbin Veterinary Research Institute, Chinese Academy of Agricultural Sciences (CAAS), Harbin 150001, China
| | - Dongchun Guo
- State Key Laboratory of Veterinary Biotechnology, Harbin Veterinary Research Institute, Chinese Academy of Agricultural Sciences (CAAS), Harbin 150001, China
| | - Jiasen Liu
- State Key Laboratory of Veterinary Biotechnology, Harbin Veterinary Research Institute, Chinese Academy of Agricultural Sciences (CAAS), Harbin 150001, China
| | - Lingxia Han
- State Key Laboratory of Veterinary Biotechnology, Harbin Veterinary Research Institute, Chinese Academy of Agricultural Sciences (CAAS), Harbin 150001, China
| | - Liandong Qu
- State Key Laboratory of Veterinary Biotechnology, Harbin Veterinary Research Institute, Chinese Academy of Agricultural Sciences (CAAS), Harbin 150001, China.
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30
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Generation of porcine induced pluripotent stem cells and evaluation of their major histocompatibility complex protein expression in vitro. Vet Res Commun 2013; 37:293-301. [DOI: 10.1007/s11259-013-9574-x] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 08/06/2013] [Indexed: 12/18/2022]
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31
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Patch JR, Kenney M, Pacheco JM, Grubman MJ, Golde WT. Characterization of cytotoxic T lymphocyte function after foot-and-mouth disease virus infection and vaccination. Viral Immunol 2013; 26:239-49. [PMID: 23829779 DOI: 10.1089/vim.2013.0011] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023] Open
Abstract
The induction of neutralizing antibodies specific for foot-and-mouth disease virus (FMDV) has been the central goal of vaccination efforts against this economically important disease of cloven-hoofed animals. Although these efforts have yielded much success, challenges remain, including little cross-serotype protection and inadequate duration of immunity. Commonly, viral infections are characterized by induction of cytotoxic T lymphocytes (CTL), yet the function of CTL in FMDV immunity is poorly defined. We developed an assay for detection of CTL specific for FMDV and reported that a modified adenovirus-vectored FMDV vaccine could induce CTL activity. This allowed us to determine whether FMDV-specific CTL responses are induced during infection and to test further whether vaccine-induced CTL could protect against challenge with FMDV. We now show the induction of antigen-specific CTL responses after infection of swine with FMDV strain A24 Cruizero. In addition, we developed a vaccination strategy that induces FMDV-specific CTL in the absence of significant neutralizing antibody. Animals vaccinated using this protocol showed delayed clinical disease and significantly suppressed viremia compared to control animals, suggesting a role for CTLs in the control of virus shedding. These results provide new insights showing induction of CTL responses to FMDV following infection or vaccination, and create the potential for improving vaccine performance by targeting cellular immunity.
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Affiliation(s)
- Jared R Patch
- Plum Island Animal Disease Center, Agricultural Research Service, USDA, Greenport, New York, USA
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32
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Pedersen LE, Harndahl M, Nielsen M, Patch JR, Jungersen G, Buus S, Golde WT. Identification of peptides from foot-and-mouth disease virus structural proteins bound by class I swine leukocyte antigen (SLA) alleles, SLA-1*0401 and SLA-2*0401. Anim Genet 2012; 44:251-8. [PMID: 22984928 DOI: 10.1111/j.1365-2052.2012.02400.x] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 06/19/2012] [Indexed: 11/30/2022]
Abstract
Characterization of the peptide-binding specificity of swine leukocyte antigen (SLA) class I and II molecules is critical to the understanding of adaptive immune responses of swine toward infectious pathogens. Here, we describe the complete binding motif of the SLA-2*0401 molecule based on a positional scanning combinatorial peptide library approach. By combining this binding motif with data achieved by applying the NetMHCpan peptide prediction algorithm to both SLA-1*0401 and SLA-2*0401, we identified high-affinity binding peptides. A total of 727 different 9mer and 726 different 10mer peptides within the structural proteins of foot-and-mouth disease virus (FMDV), strain A24 were analyzed as candidate T-cell epitopes. Peptides predicted by the NetMHCpan were tested in ELISA for binding to the SLA-1*0401 and SLA-2*0401 major histocompatibility complex class I proteins. Four of the 10 predicted FMDV peptides bound to SLA-2*0401, whereas five of the nine predicted FMDV peptides bound to SLA-1*0401. These methods provide the characterization of T-cell epitopes in response to pathogens in more detail. The development of such approaches to analyze vaccine performance will contribute to a more accelerated improvement of livestock vaccines by virtue of identifying and focusing analysis on bona fide T-cell epitopes.
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Affiliation(s)
- L E Pedersen
- Foreign Animal Disease Unit, Plum Island Animal Disease Center, Agricultural Research Service, USDA, Greenport, NY 11944, USA
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33
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Jung WY, Seo DW, Choi NR, Lee JH, Jin DI, Hwang SS, Yang BC, Chung HJ, Kim KW, Park JK, Lee HC. Investigation of SLA class I and II haplotypes in the NIH miniature pigs. Genes Genomics 2012. [DOI: 10.1007/s13258-011-0136-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
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34
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Gao FS, Bai J, Gong XJ, Zhang XH, Zhang WJ, Guo D, Zhang S. Analyzing the genetic characteristics and function of the swine leukocyte antigen 2 gene in a Chinese inbreed of pigs. Microbiol Immunol 2012; 56:208-15. [PMID: 22233465 DOI: 10.1111/j.1348-0421.2012.00427.x] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/01/2022]
Abstract
To study the genetic characteristics and function of swine leukocyte antigen (SLA) class I from the Hebao pig, a rare inbreed in China, a pair of primers was designed to amplify the SLA-2 gene (SLA-2-HB) and then the genetic characteristics of the gene were analyzed. The 3D homology modeling was used to analyze the structure and function of SLA-2-HB proteins. After cloning, sequencing and computer analysis, four SLA-2-HB alleles were found, all of 1119 bp. Sites 3-1097 were an open reading frame encoding 364 amino acids with two sets of intra-chain disulfide bonds comprising four cysteines situated in sites 125, 188, 227 and 283. By alignment of SLA-2-HB sequences with other SLA-2 alleles in the IPD database, 11 key variable amino acid sites were found in the extracellular domain of the SLA-2-HB alleles at sites 23(F), 24(I), 43(A), 44(K), 50(Q), 73(N), 95(I), 114(R), 155(G), 156(E) and 216(S), which could be used to differentiate other SLA-2 alleles. The 3D homology modeling demonstrated that the eight of 11 key variable amino acid sites were all in antigenic binding groove of SLA-2-HB proteins. The amino acid identities between SLA-2-HB and other SLA-2, SLA-1 and SLA-3 alleles were 86.2-97.0%, 85.0-93.9% and 83.3-88.6%, respectively. The phylogenetic tree of SLA-2-HB showed that it was relatively independent of the other SLA-2 genes. Furthermore, the SLA-2-HB alleles were similar to HLA-B15 and HLA-A2 functional domains and preserved some functional sites of HLA-A2. It was concluded that SLA-2-HB are novel alleles of SLA-2 and that the Hebao pig might have evolved independently in China.
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Affiliation(s)
- Feng-Shan Gao
- Department of Biochemistry and Molecular Biology, College of Life Science and Technology, Dalian University, Dalian, China.
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Essler SE, Ertl W, Deutsch J, Ruetgen BC, Groiss S, Stadler M, Wysoudil B, Gerner W, Ho CS, Saalmueller A. Molecular characterization of swine leukocyte antigen gene diversity in purebred Pietrain pigs. Anim Genet 2012; 44:202-5. [DOI: 10.1111/j.1365-2052.2012.02375.x] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 03/05/2012] [Indexed: 11/30/2022]
Affiliation(s)
- Sabine E. Essler
- Department for Pathobiology; Institute of Immunology; University of Veterinary Medicine Vienna; Vienna A-1210 Austria
| | - Werner Ertl
- Department for Pathobiology; Institute of Immunology; University of Veterinary Medicine Vienna; Vienna A-1210 Austria
| | - Julia Deutsch
- Department for Pathobiology; Institute of Immunology; University of Veterinary Medicine Vienna; Vienna A-1210 Austria
| | - Barbara C. Ruetgen
- Department for Pathobiology; Institute of Immunology; University of Veterinary Medicine Vienna; Vienna A-1210 Austria
| | - Sandra Groiss
- Department for Pathobiology; Institute of Immunology; University of Veterinary Medicine Vienna; Vienna A-1210 Austria
| | - Maria Stadler
- Department for Pathobiology; Institute of Immunology; University of Veterinary Medicine Vienna; Vienna A-1210 Austria
| | - Bhuma Wysoudil
- Department for Pathobiology; Institute of Immunology; University of Veterinary Medicine Vienna; Vienna A-1210 Austria
| | - Wilhelm Gerner
- Department for Pathobiology; Institute of Immunology; University of Veterinary Medicine Vienna; Vienna A-1210 Austria
| | - Chak-Sum Ho
- Gift of Life Michigan; Histocompatibility Lab; Ann Arbor MI 48108-2217 USA
| | - Armin Saalmueller
- Department for Pathobiology; Institute of Immunology; University of Veterinary Medicine Vienna; Vienna A-1210 Austria
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Porcine MHC classical class I genes are coordinately expressed in superantigen-activated mononuclear cells. Vet Immunol Immunopathol 2012; 148:252-9. [PMID: 22640570 DOI: 10.1016/j.vetimm.2012.05.005] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/07/2011] [Revised: 04/18/2012] [Accepted: 05/02/2012] [Indexed: 11/24/2022]
Abstract
The expression of the major histocompatibility complex (MHC) classical class I genes is important for the adaptive immune response to target virus-infected cells and cancer cells. The up-regulation of the MHC is achieved by hormonal/cytokine signals including IFN-γ-inducible elements. The swine leukocyte antigen (SLA), the MHC class I region of pigs, consists of the duplicated classical class I genes, SLA-1, SLA-2 and SLA-3, but the molecular mechanisms involved in their up-regulation after T cell stimulation have not been fully elucidated. In order to better understand some of the putative regulatory mechanisms of SLA class I gene expression in activated T cells, we examined the coordinated expression of the SLA classical class I, IFN-γ and interferon regulatory factor-1 (IRF-1) genes in the peripheral blood mononuclear cells (PBMCs) of SLA homozygous Clawn miniature swine stimulated for 72 h with either IFN-γ or an enterotoxin produced by Staphylococcus aureus. This enterotoxin, toxic shock syndrome-1 (TSST-1), is known to act as a superantigen (sAG) to activate the T cells in various vertebrate species. We showed by using mAbs and flow cytometry that the CD4(+)CD25(+) cell number of swine PBMCs was also increased by TSST-1 and to a lesser degree by IFN-γ. Time course analyses of the expression of the IFN-γ, IRF-1 and the three classical class I genes, SLA-1, SLA-2, and SLA-3, in PBMCs by quantitative real-time PCR revealed a transitory response to TSST-1 or IFN-γ stimulation. The IFN-γ mRNA levels in the PBMCs were continuously up-regulated over the first 48 h by TSST-1 or IFN-γ. In contrast, SLA class I expression moderately increased at 24h and then decreased to a baseline level or less at 72 h of IFN-γ or TSST-1 stimulation. The three classical SLA class I genes showed similar expression kinetics, although SLA-3 mRNA level was consistently lower than those of SLA-1 and -2. The expression of IRF-1, a modulator of SLA expression, showed similar kinetics to those of the three classical SLA class I genes. The expression profiles detected by flow cytometry of the SLA molecules on the cell surface of PBMCs were maintained at a consistently high level during cell stimulation with either TSST-1 or IFN-γ, which was distinct from the kinetics of mRNA expression. These results showed that miniature swine SLA class I mRNA expression was effectively and equally up-regulated among the three loci and coordinately with IRF-1 gene expression after stimulation of T cell activation by sAG or IFN-γ.
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Gao FS, Bai J, Zhang XH, Zhang WJ, Guo D, Zhang S. Molecular characteristics of the SLA-2 gene from Chinese Hebao pigs. RUSS J GENET+ 2012. [DOI: 10.1134/s1022795412010073] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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38
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Ye L, Zi C, Pan ZY, Zhu J, Du ZD, Zhu GQ, Huang XG, Bao WB, Wu SL. Investigation of the relationship between SLA-1 and SLA-3 gene expression and susceptibility to Escherichia coli F18 in post-weaning pigs. Comp Immunol Microbiol Infect Dis 2012; 35:23-30. [PMID: 22019298 DOI: 10.1016/j.cimid.2011.09.006] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2011] [Revised: 09/24/2011] [Accepted: 09/27/2011] [Indexed: 11/18/2022]
Abstract
Porcine post-weaning diarrhea and edema disease are principally caused by Escherichia coli strains that produce F18 adhesin. FUT1 genotyping and receptor binding studies divided piglets into E. coli F18-resistant and -sensitive groups, and the roles of SLA-1 and SLA-3 were investigated. SLA-1 and SLA-3 expression was detected in 11 pig tissues, with higher levels of SLA-1 in lung, immune tissues and gastrointestinal tract, and higher levels of SLA-3 also in lung and lymphoid tissues. Both genes were expressed higher in F18-resistant piglets, and their expression was positively correlated in different tissues; a negative correlation was observed in some tissues of F18-sensitive group, particularly in lung and lymphatic samples. Gene ontology and pathway analyses showed that SLA-1 and SLA-3 were involved in 37 biological processes, including nine pathways related to immune functions. These observations help to elucidate the relationship between SLA class I genes and E. coli F18-related porcine gastrointestinal tract diseases.
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Affiliation(s)
- L Ye
- College of Animal Science and Technology, Yangzhou University, China
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39
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Application of high-resolution, massively parallel pyrosequencing for estimation of haplotypes and gene expression levels of swine leukocyte antigen (SLA) class I genes. Immunogenetics 2011; 64:187-99. [DOI: 10.1007/s00251-011-0572-2] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/22/2011] [Accepted: 09/03/2011] [Indexed: 12/26/2022]
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40
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41
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Pedersen LE, Harndahl M, Rasmussen M, Lamberth K, Golde WT, Lund O, Nielsen M, Buus S. Porcine major histocompatibility complex (MHC) class I molecules and analysis of their peptide-binding specificities. Immunogenetics 2011; 63:821-34. [PMID: 21739336 PMCID: PMC3214623 DOI: 10.1007/s00251-011-0555-3] [Citation(s) in RCA: 33] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/25/2011] [Accepted: 06/20/2011] [Indexed: 11/21/2022]
Abstract
In all vertebrate animals, CD8+ cytotoxic T lymphocytes (CTLs) are controlled by major histocompatibility complex class I (MHC-I) molecules. These are highly polymorphic peptide receptors selecting and presenting endogenously derived epitopes to circulating CTLs. The polymorphism of the MHC effectively individualizes the immune response of each member of the species. We have recently developed efficient methods to generate recombinant human MHC-I (also known as human leukocyte antigen class I, HLA-I) molecules, accompanying peptide-binding assays and predictors, and HLA tetramers for specific CTL staining and manipulation. This has enabled a complete mapping of all HLA-I specificities (“the Human MHC Project”). Here, we demonstrate that these approaches can be applied to other species. We systematically transferred domains of the frequently expressed swine MHC-I molecule, SLA-1*0401, onto a HLA-I molecule (HLA-A*11:01), thereby generating recombinant human/swine chimeric MHC-I molecules as well as the intact SLA-1*0401 molecule. Biochemical peptide-binding assays and positional scanning combinatorial peptide libraries were used to analyze the peptide-binding motifs of these molecules. A pan-specific predictor of peptide–MHC-I binding, NetMHCpan, which was originally developed to cover the binding specificities of all known HLA-I molecules, was successfully used to predict the specificities of the SLA-1*0401 molecule as well as the porcine/human chimeric MHC-I molecules. These data indicate that it is possible to extend the biochemical and bioinformatics tools of the Human MHC Project to other vertebrate species.
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42
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Chung H, McClure MC. Characterization of microsatellite loci in the SLA class I region. Genomics 2011; 97:223-34. [DOI: 10.1016/j.ygeno.2010.12.006] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2010] [Revised: 12/16/2010] [Accepted: 12/19/2010] [Indexed: 11/29/2022]
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43
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Kusza S, Flori L, Gao Y, Teillaud A, Hu R, Lemonnier G, Bosze Z, Bourneuf E, Vincent-Naulleau S, Rogel-Gaillard C. Transcription specificity of the class Ib genes SLA-6, SLA-7 and SLA-8 of the swine major histocompatibility complex and comparison with class Ia genes. Anim Genet 2011; 42:510-20. [PMID: 21906102 DOI: 10.1111/j.1365-2052.2010.02170.x] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/02/2023]
Abstract
Our aim was to analyse the transcription levels of the three non-classical class Ib genes SLA-6, SLA-7 and SLA-8 of the swine major histocompatibility complex in various tissues and conditions and to compare them to the transcription levels of classical class Ia genes. Twenty-five adult tissues from two pig breeds, pig renal PK15 cells infected with the Pseudorabies virus, and peripheral blood mononuclear cells (PBMCs) stimulated by lipopolysaccharide or a mixture of phorbol myristate acetate and ionomycin were included in our study. Relative transcription was quantified by quantitative real-time PCR. On average, in adult tissues and PBMCs and compared to SLA-6, the transcription level of SLA-Ia genes was 100-1000 times higher, the level of SLA-8 was 10-20 times higher, and that of SLA-7 was five times higher. Thus, SLA-8 is the most transcribed SLA-Ib gene, followed by the SLA-7 and SLA-6 genes. The highest transcription levels of SLA-Ib transcripts were found in the lymphoid organs, followed by the lung and the digestive tract. The tissue variability of expression levels was widest for the SLA-6 gene, with a 1:32 ratio between the lowest and highest levels in contrast to a 1:12 ratio for the SLA-7 and SLA-8 genes and a 1:16 ratio for the SLA-Ia genes. During PK-15 infection and PBMC stimulation, SLA-Ia and SLA-8 genes were downregulated, whereas SLA-6 and SLA-7 were upregulated, downregulated or not significantly modified. Our overall results confirm the tissue-wide transcription of the three SLA-Ib genes and suggest that they have complementary roles.
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Affiliation(s)
- S Kusza
- Institute of Animal Science, University Debrecen, Centre for Agricultural and Applied Economic Sciences, 4032 Debrecen, Böszörményi Str.138, Hungary
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44
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Jung WY, Lim HT, Lim JS, Kim SB, Jeon JT, Lee JH. SLA Homozygous Korean Native Pigs and Their Inbreeding Status Deduced from the Microsatellite Marker Analysis. JOURNAL OF ANIMAL SCIENCE AND TECHNOLOGY 2010. [DOI: 10.5187/jast.2010.52.6.451] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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45
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Cho HO, Ho CS, Lee YJ, Cho IC, Lee SS, Ko MS, Park C, Smith DM, Jeon JT, Lee JH. Establishment of a resource population of SLA haplotype-defined Korean native pigs. Mol Cells 2010; 29:493-9. [PMID: 20396963 DOI: 10.1007/s10059-010-0061-8] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2009] [Revised: 01/26/2010] [Accepted: 01/29/2010] [Indexed: 10/19/2022] Open
Abstract
The highly polymorphic porcine major histocompatibility complex (MHC), or the swine leukocyte antigens (SLA), has been repeatedly associated with variations in swine immune response to pathogens and vaccines as well as with production traits. The SLA antigens are also important targets for immunological recognition of foreign tissue grafts. We recently established a resource population of Korean native pigs as models for human transplantation and xenotransplantation research. In this study, 115 animals derived from three generations of the Korean native pigs were genotyped for three SLA class I (SLA-2, SLA-3 and SLA-1) and three SLA class II loci (DRB1, DQB1, DQA) using PCR with sequence-specific primers (PCR-SSP) at the allele group resolution. A total of seven SLA haplotypes (Lr-5.34, Lr-7.23, Lr-31.13, Lr-56.23, Lr-56.30, Lr-59.1, Lr-65.34), comprising six unique class I and five unique class II haplotypes, were characterized in the founding animals. Class I haplotype Lr-65.0 and class II haplotype Lr-0.34 were novel; and together with Lr-56.0 these haplotypes appeared to be breed-specific. In the progeny population, Lr-7.23 and Lr-56.30 appeared to be the most prevalent haplotypes with frequencies of 34.7% and 31.6%, respectively; the overall homozygosity was 27.4%. This resource population of SLA-defined Korean native pigs will be useful as large animal models for various transplantation and xenotransplantation experiments, as well as for dissecting the roles of SLA proteins in swine disease resistance and production traits.
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Affiliation(s)
- Han-Ok Cho
- Department of Animal Science and Biotechnology, College of Agriculture and Life Sciences, Chungnam National University, Daejeon, 305-764, Korea
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46
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YEOM SC, PARK CG, LEE BC, LEE WJ. SLA typing using the PCR-SSP method and establishment of the SLA homozygote line in pedigreed SNU miniature pigs. Anim Sci J 2010; 81:158-64. [DOI: 10.1111/j.1740-0929.2009.00727.x] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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47
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Ho CS, Martens GW, Amoss MS, Gomez-Raya L, Beattie CW, Smith DM. Swine leukocyte antigen (SLA) diversity in Sinclair and Hanford swine. DEVELOPMENTAL AND COMPARATIVE IMMUNOLOGY 2010; 34:250-257. [PMID: 19782700 DOI: 10.1016/j.dci.2009.09.006] [Citation(s) in RCA: 27] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/22/2009] [Revised: 09/15/2009] [Accepted: 09/18/2009] [Indexed: 05/28/2023]
Abstract
The swine leukocyte antigen (SLA) haplotype B is associated with increased penetrance of the tumor traits in Sinclair swine cutaneous melanoma (SSCM). We established a series of SinclairxHanford swine crosses to facilitate genetic mapping of the tumor-associated loci. In this study, the SLA diversity in the founding animals was characterized for effective selection of maximum tumor penetrance in the pedigrees. Using the sequence-based typing (SBT) method we identified a total of 29 alleles at five polymorphic SLA loci (SLA-1, SLA-3, SLA-2, DRB1 and DQB1) representing six class I and five class II haplotypes. We subsequently developed a rapid PCR-based typing assay using sequence-specific primers (PCR-SSP) to efficiently follow the SLA types of the crossbred progeny. In a total of 469 animals we identified three crossovers within the class I region and three between the class I and class II regions, which corresponded to recombination frequencies of 0.39% and 0.56%, respectively. We also confirmed the presence of two expressed SLA-1 loci in three of the class I haplotypes and were able to determine the relative chromosomal arrangement of the duplicated loci in two haplotypes. This study furthers our understanding of the allelic architecture and polymorphism of the SLA system and will facilitate the mapping of loci associated with the expression of SSCM.
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Affiliation(s)
- Chak-Sum Ho
- Department of Pathology, University of Michigan, Ann Arbor, MI 48109, USA
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48
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Ho CS, Lunney JK, Lee JH, Franzo-Romain MH, Martens GW, Rowland RRR, Smith DM. Molecular characterization of swine leucocyte antigen class II genes in outbred pig populations. Anim Genet 2010; 41:428-32. [PMID: 20121817 DOI: 10.1111/j.1365-2052.2010.02019.x] [Citation(s) in RCA: 33] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
The highly polymorphic swine leucocyte antigen (SLA) genes are among the most important determinants of swine immune responses to disease and vaccines. Accurate and effective SLA genotyping methods are required to understand how SLA gene polymorphisms affect immunity, especially in outbred pigs with diverse genetic backgrounds. In this study, we present a simple and rapid molecular-based typing system for characterizing SLA class II alleles of the DRB1, DQB1 and DQA loci. This system utilizes a set of 47 sequence-specific PCR primers developed to differentiate alleles by groups that share similar sequence motifs. We applied this typing method to investigate the SLA class II diversity in four populations of outbred pigs (n = 206) and characterized a total of 19 SLA class II haplotypes, six of which were shared by at least three of the sampled pig populations. We found that Lr-0.1 (DRB1*01XX-DQB1*01XX-DQA*01XX) was the most prevalent haplotype with a combined frequency of 16.0%, followed by Lr-0.2 (DRB1*02XX-DQB1*02XX-DQA*02XX) with 14.6% and Lr-0.15b (DRB1*04XX-DQB1*0202-DQA*02XX) with 14.1%. Over 70% of the pigs (n = 147) had at least one copy of one of these three haplotypes. The PCR-based typing system described in this study demonstrates a reliable and unambiguous detection method for SLA class II alleles. It will be a valuable tool for studying the influence of SLA diversity on various immunological, pathological and physiological traits in outbred pigs.
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Affiliation(s)
- C-S Ho
- Department of Pathology, University of Michigan, Ann Arbor, MI 48109, USA
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Tallmadge RL, Campbell JA, Miller DC, Antczak DF. Analysis of MHC class I genes across horse MHC haplotypes. Immunogenetics 2010; 62:159-72. [PMID: 20099063 DOI: 10.1007/s00251-009-0420-9] [Citation(s) in RCA: 41] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2009] [Accepted: 12/12/2009] [Indexed: 11/28/2022]
Abstract
The genomic sequences of 15 horse major histocompatibility complex (MHC) class I genes and a collection of MHC class I homozygous horses of five different haplotypes were used to investigate the genomic structure and polymorphism of the equine MHC. A combination of conserved and locus-specific primers was used to amplify horse MHC class I genes with classical and nonclassical characteristics. Multiple clones from each haplotype identified three to five classical sequences per homozygous animal and two to three nonclassical sequences. Phylogenetic analysis was applied to these sequences, and groups were identified which appear to be allelic series, but some sequences were left ungrouped. Sequences determined from MHC class I heterozygous horses and previously described MHC class I sequences were then added, representing a total of ten horse MHC haplotypes. These results were consistent with those obtained from the MHC homozygous horses alone, and 30 classical sequences were assigned to four previously confirmed loci and three new provisional loci. The nonclassical genes had few alleles and the classical genes had higher levels of allelic polymorphism. Alleles for two classical loci with the expected pattern of polymorphism were found in the majority of haplotypes tested, but alleles at two other commonly detected loci had more variation outside of the hypervariable region than within. Our data indicate that the equine major histocompatibility complex is characterized by variation in the complement of class I genes expressed in different haplotypes in addition to the expected allelic polymorphism within loci.
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Affiliation(s)
- Rebecca L Tallmadge
- Baker Institute for Animal Health, College of Veterinary Medicine, Cornell University, Ithaca, NY 14853, USA
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50
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Mulder A, Kardol MJ, Arn JS, Eijsink C, Franke MEI, Schreuder GMT, Haasnoot GW, Doxiadis IIN, Sachs DH, Smith DM, Claas FHJ. Human monoclonal HLA antibodies reveal interspecies crossreactive swine MHC class I epitopes relevant for xenotransplantation. Mol Immunol 2009; 47:809-15. [PMID: 19931911 DOI: 10.1016/j.molimm.2009.10.004] [Citation(s) in RCA: 66] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2009] [Accepted: 10/06/2009] [Indexed: 10/20/2022]
Abstract
Crossreactivity of anti-HLA antibodies with SLA alleles may limit the use of pig xenografts in some highly sensitized patients. An understanding of the molecular basis for this crossreactivity may allow better selection of xenograft donors. We have tested 68 human monoclonal HLA class I antibodies (mAbs) for reactivity with pig lymphocytes from SLA defined pigs and found nine to be crossreactive. Eight of nine were broadly HLA reactive IgM-mAbs. The putative HLA epitopes for seven mAbs. were conserved in the aminoacid sequence of the SLA alleles studied. The lack of reactivity of a large number of mAbs largely correlated with the absence of the putative epitopes in the SLA alleles studied. We conclude that most patients with anti-HLA class I antibodies should be able to find pig donors lacking SLA antigens that cross react with their antibodies and that many of the crossreacting epitopes can be defined by analysis of shared epitopes in the aminoacid sequence of human and pig MHC antigens.
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Affiliation(s)
- Arend Mulder
- Dept of Immunohaematology and Bloodtransfusion, Leiden University Medical Center, PO Box 9600, 2300RC Leiden, The Netherlands.
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