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McCall MA. Pig Models in Retinal Research and Retinal Disease. Cold Spring Harb Perspect Med 2024; 14:a041296. [PMID: 37553210 PMCID: PMC10982707 DOI: 10.1101/cshperspect.a041296] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/10/2023]
Abstract
The pig has been used as a large animal model in biomedical research for many years and its use continues to increase because induced mutations phenocopy several inherited human diseases. In addition, they are continuous breeders, can be propagated by artificial insemination, have large litter sizes (on the order of mice), and can be genetically manipulated using all of the techniques that are currently available in mice. The pioneering work of Petters and colleagues set the stage for the use of the pig as a model of inherited retinal disease. In the last 10 years, the pig has become a model of choice where specific disease-causing mutations that are not phenocopied in rodents need to be studied and therapeutic approaches explored. The pig is not only used for retinal eye disease but also for the study of the cornea and lens. This review attempts to show how broad the use of the pig has become and how it has contributed to the assessment of treatments for eye disease. In the last 10 years, there have been several reviews that included the use of the pig in biomedical research (see body of the review) that included information about retinal disease. None directly discuss the use of the pig as an animal model for retinal diseases, including inherited diseases, where a single genetic mutation has been identified or for multifactorial diseases such as glaucoma and diabetic retinopathy. Although the pig is used to explore diseases of the cornea and lens, this review focuses on how and why the pig, as a large animal model, is useful for research in neural retinal disease and its treatment.
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Affiliation(s)
- Maureen A McCall
- Departments of Ophthalmology & Visual Sciences and Anatomical Sciences & Neurobiology, University of Louisville, Louisville, Kentucky 40202, USA
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Katleba K, Legacki E, Berger T. Expression of CSF1, AR, and SRD5A2 during Postnatal Development of the Boar Reproductive Tract. Animals (Basel) 2022; 12:ani12172167. [PMID: 36077888 PMCID: PMC9454667 DOI: 10.3390/ani12172167] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2022] [Revised: 08/08/2022] [Accepted: 08/22/2022] [Indexed: 11/28/2022] Open
Abstract
Simple Summary Understanding the initial development of the male reproductive system, including the prostate, should provide insight into malfunctions in the adult male. Although changes in circulating androgens during development are characterized in multiple species, potential changes in the androgen receptor, in the enzyme that converts testosterone to the presumably more potent dihydrotestosterone, and in colony stimulating factor 1, a critical mediator of macrophage influence on organ development, were previously unknown and anticipated to be influenced by androgens and estrogens. Gene expression in the testis, prostate, and seminal vesicles of these three mediators of development, including responses to reduced testosterone or estrogens, were evaluated. Each of these three genes had a unique temporal pattern of expression during postnatal reproductive tract development. However, surprisingly minimal effects of altered steroid signaling were reported on the expression of these presumed pivotal genes. Abstract The male reproductive system develops from a minimally functioning gonad and nonfunctioning accessory sex glands in the neonate; sex steroids, presumed to be primary influencers of these changes, have been characterized in multiple species. This study focused on the expression of the androgen receptor as the principal mediator of androgen-induced signaling; the 5α reductase enzyme that converts testosterone to the more active dihydrotestosterone; and colony stimulating factor 1, a mediator of macrophage influence on organ development in the pig. The time points chosen to evaluate normal developmental changes during the juvenile and prepubertal intervals included the inflection time points of 6.5 weeks of age at the nadir of circulating estradiol and testosterone concentrations in juveniles, and 11 weeks of age, when these concentrations begin to increase. The role of sex steroid signaling in the regulation of gene expression was evaluated by the blockade of androgen and estrogen receptors and reduction in endogenous estrogens. Expression of colony stimulating factor 1 in the testes gradually decreased during development; developmental profiles in the prostate and seminal vesicles were clearly different. Interference with sex steroid signaling had no effect on the expression of these three genes in testicular tissue and minimal and transient effects in prostate and seminal vesicles.
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Corbett RJ, Luttman AM, Herrera-Uribe J, Liu H, Raney NE, Grabowski JM, Loving CL, Tuggle CK, Ernst CW. Assessment of DNA methylation in porcine immune cells reveals novel regulatory elements associated with cell-specific gene expression and immune capacity traits. BMC Genomics 2022; 23:575. [PMID: 35953767 PMCID: PMC9367135 DOI: 10.1186/s12864-022-08773-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2021] [Accepted: 07/18/2022] [Indexed: 11/15/2022] Open
Abstract
Background Genetics studies in the porcine immune system have enhanced selection practices for disease resistance phenotypes and increased the efficacy of porcine models in biomedical research; however limited functional annotation of the porcine immunome has hindered progress on both fronts. Among epigenetic mechanisms that regulate gene expression, DNA methylation is the most ubiquitous modification made to the DNA molecule and influences transcription factor binding as well as gene and phenotype expression. Human and mouse DNA methylation studies have improved mapping of regulatory elements in these species, but comparable studies in the pig have been limited in scope. Results We performed whole-genome bisulfite sequencing to assess DNA methylation patterns in nine pig immune cell populations: CD21+ and CD21− B cells, four T cell fractions (CD4+, CD8+, CD8+CD4+, and SWC6γδ+), natural killer and myeloid cells, and neutrophils. We identified 54,391 cell differentially methylated regions (cDMRs), and clustering by cDMR methylation rate grouped samples by cell lineage. 32,737 cDMRs were classified as cell lowly methylated regions (cLMRs) in at least one cell type, and cLMRs were broadly enriched in genes and regions of intermediate CpG density. We observed strong correlations between differential methylation and expression across immune cell populations, with cell-specific low methylation disproportionately impacting genes exhibiting enriched gene expression in the same cell type. Motif analysis of cLMRs revealed cell type-specific enrichment of transcription factor binding motifs, indicating that cell-specific methylation patterns may influence accessibility by trans-acting factors. Lastly, cDMRs were enriched for immune capacity GWAS SNPs, and many such overlaps occurred within genes known to influence immune cell development and function (CD8B, NDRG1). Conclusion Our DNA methylation data improve functional annotation of the porcine genome through characterization of epigenomic regulatory patterns that contribute to immune cell identity and function, and increase the potential for identifying mechanistic links between genotype and phenotype. Supplementary Information The online version contains supplementary material available at 10.1186/s12864-022-08773-5.
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Affiliation(s)
- Ryan J Corbett
- Genetics & Genome Sciences Graduate Program, Michigan State University, East Lansing, MI, USA
| | - Andrea M Luttman
- Genetics & Genome Sciences Graduate Program, Michigan State University, East Lansing, MI, USA
| | | | - Haibo Liu
- Department of Animal Science, Iowa State University, Ames, IA, USA
| | - Nancy E Raney
- Department of Animal Science, Michigan State University, East Lansing, MI, USA
| | - Jenna M Grabowski
- Department of Animal Science, Michigan State University, East Lansing, MI, USA
| | | | | | - Catherine W Ernst
- Department of Animal Science, Michigan State University, East Lansing, MI, USA.
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Ramos L, Lunney JK, Gonzalez-Juarrero M. Neonatal and infant immunity for tuberculosis vaccine development: importance of age-matched animal models. Dis Model Mech 2020; 13:dmm045740. [PMID: 32988990 PMCID: PMC7520460 DOI: 10.1242/dmm.045740] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022] Open
Abstract
Neonatal and infant immunity differs from that of adults in both the innate and adaptive arms, which are critical contributors to immune-mediated clearance of infection and memory responses elicited during vaccination. The tuberculosis (TB) research community has openly admitted to a vacuum of knowledge about neonatal and infant immune responses to Mycobacterium tuberculosis (Mtb) infection, especially in the functional and phenotypic attributes of memory T cell responses elicited by the only available vaccine for TB, the Bacillus Calmette-Guérin (BCG) vaccine. Although BCG vaccination has variable efficacy in preventing pulmonary TB during adolescence and adulthood, 80% of endemic TB countries still administer BCG at birth because it has a good safety profile and protects children from severe forms of TB. As such, new vaccines must work in conjunction with BCG at birth and, thus, it is essential to understand how BCG shapes the immune system during the first months of life. However, many aspects of the neonatal and infant immune response elicited by vaccination with BCG remain unknown, as only a handful of studies have followed BCG responses in infants. Furthermore, most animal models currently used to study TB vaccine candidates rely on adult-aged animals. This presents unique challenges when transitioning to human trials in neonates or infants. In this Review, we focus on vaccine development in the field of TB and compare the relative utility of animal models used thus far to study neonatal and infant immunity. We encourage the development of neonatal animal models for TB, especially the use of pigs.
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Affiliation(s)
- Laylaa Ramos
- Mycobacteria Research Laboratories, Microbiology Immunology and Pathology Department, Colorado State University, 1682 Campus Delivery, Fort Collins, CO 80523, USA
| | - Joan K Lunney
- Animal Parasitic Diseases Laboratory, BARC, NEA, ARS, USDA Building 1040, Room 103, Beltsville, MD 20705, USA
| | - Mercedes Gonzalez-Juarrero
- Mycobacteria Research Laboratories, Microbiology Immunology and Pathology Department, Colorado State University, 1682 Campus Delivery, Fort Collins, CO 80523, USA
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Abstract
Streptococcus pneumoniae remains the most common bacterial pathogen causing lower respiratory tract infections and is a leading cause of morbidity and mortality worldwide, especially in children and the elderly. Another important aspect related to pneumococcal infections is the persistent rate of penicillin and macrolide resistance. Therefore, animal models have been developed to better understand the pathogenesis of pneumococcal disease and test new therapeutic agents and vaccines. This narrative review will focus on the characteristics of the different animal pneumococcal pneumonia models. The assessment of the different animal models will include considerations regarding pneumococcal strains, microbiology properties, procedures used for bacterial inoculation, pathogenesis, clinical characteristics, diagnosis, treatment, and preventive approaches.
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Schultz D, Methling K, Rothe M, Lalk M. Eicosanoid Profile of Influenza A Virus Infected Pigs. Metabolites 2019; 9:E130. [PMID: 31277231 PMCID: PMC6680658 DOI: 10.3390/metabo9070130] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/28/2019] [Revised: 06/28/2019] [Accepted: 06/28/2019] [Indexed: 12/26/2022] Open
Abstract
Respiratory tract infections caused by the Influenza A virus (IAV) are a worldwide problem for human and animal health. Within this study, we analyzed the impact of IAV infection on the immune-related lipidome (eicosanoids) of the pig as new infection model. For this purpose, we performed HPLC-MS/MS using dynamic multiple reaction monitoring and analyzed lung, spleen, blood plasma and bronchoalveolar lavages. IAV infection leads to collective changes in the levels of the analyzed hydroxyeicosatrienoic acids (HETEs), hydroxydocosahexaenoic acids (HDHAs) and epoxyeicosatrienoic acids (EETs), and moreover, unique eicosanoid changes in several sample types, even under mild infection conditions. In accordance with different mouse infection studies, we observed infection-related patterns for 12-HETE, 15-HETE and 17-HDHA, which seem to be common for IAV infection. Using a long-term approach of 21 days we established an experimental setup that can be used also for bacterial-viral coinfection experiments.
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Affiliation(s)
- Daniel Schultz
- Institute of Biochemistry, University of Greifswald, 17487 Greifswald, Germany
| | - Karen Methling
- Institute of Biochemistry, University of Greifswald, 17487 Greifswald, Germany
| | | | - Michael Lalk
- Institute of Biochemistry, University of Greifswald, 17487 Greifswald, Germany.
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Xiao X, Liu B, Ma X, Yang S, Cai J. Molecular cloning and characterization of the pig MHC class Ⅰ-related MR1 gene. DEVELOPMENTAL AND COMPARATIVE IMMUNOLOGY 2019; 96:58-67. [PMID: 30836125 DOI: 10.1016/j.dci.2019.02.020] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/29/2018] [Revised: 02/26/2019] [Accepted: 02/26/2019] [Indexed: 06/09/2023]
Abstract
Major histocompatibility complex (MHC) class Ⅰ-related protein 1 (MR1), the most highly conserved MHC class Ⅰ molecule among mammals, is the restricting molecule for mucosal-associated invariant T (MAIT) cells. MAIT cells, a novel subset of T cells, play important roles in modulating the immune responses to infectious and non-infectious diseases, and recognize antigens in the context of MR1. MR1 has been identified in many species, including human, mouse, sheep, and cow. Here, we cloned and characterized pig (Sus scrofa) MR1 (pMR1) transcripts, including five unique splice variants, from pig peripheral blood mononuclear cell cDNA. We also examined the tissue distribution of pMR1 and confirmed reactivity of pMR1 using a MR1 specific monoclonal antibody 26.5, demonstrating that the pMR1 gene was expressed in all tested tissues. Finally, we predicted the pMR1 3D structure and analyzed the docking mode of the MR1-5-OP-RU complex, finding that the docking mode of pMR1 with 5-OP-RU is similar to human MR1 docking. Collectively, this description of pMR1 adds to our understanding of the evolution of MHC molecules, and provides a theoretical basis for the subsequent study of pig MAIT cells.
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Affiliation(s)
- Xingxing Xiao
- State Key Laboratory of Veterinary Etiological Biology, Key Laboratory of Veterinary Parasitology of Gansu Province, Lanzhou Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Xujiaping 1, Lanzhou, Gansu Province, 730046, People's Republic of China; Jiangsu Co-Innovation Center for Prevention and Control of Animal Infectious Diseases and Zoonoses, Yangzhou, Jiangsu Province, 225009, People's Republic of China
| | - Baohong Liu
- State Key Laboratory of Veterinary Etiological Biology, Key Laboratory of Veterinary Parasitology of Gansu Province, Lanzhou Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Xujiaping 1, Lanzhou, Gansu Province, 730046, People's Republic of China; Jiangsu Co-Innovation Center for Prevention and Control of Animal Infectious Diseases and Zoonoses, Yangzhou, Jiangsu Province, 225009, People's Republic of China
| | - Xueting Ma
- State Key Laboratory of Veterinary Etiological Biology, Key Laboratory of Veterinary Parasitology of Gansu Province, Lanzhou Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Xujiaping 1, Lanzhou, Gansu Province, 730046, People's Republic of China; Jiangsu Co-Innovation Center for Prevention and Control of Animal Infectious Diseases and Zoonoses, Yangzhou, Jiangsu Province, 225009, People's Republic of China
| | - Shunli Yang
- State Key Laboratory of Veterinary Etiological Biology, Key Laboratory of Veterinary Parasitology of Gansu Province, Lanzhou Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Xujiaping 1, Lanzhou, Gansu Province, 730046, People's Republic of China; Jiangsu Co-Innovation Center for Prevention and Control of Animal Infectious Diseases and Zoonoses, Yangzhou, Jiangsu Province, 225009, People's Republic of China
| | - Jianping Cai
- State Key Laboratory of Veterinary Etiological Biology, Key Laboratory of Veterinary Parasitology of Gansu Province, Lanzhou Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Xujiaping 1, Lanzhou, Gansu Province, 730046, People's Republic of China; Jiangsu Co-Innovation Center for Prevention and Control of Animal Infectious Diseases and Zoonoses, Yangzhou, Jiangsu Province, 225009, People's Republic of China.
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Serve R, Sturm R, Schimunek L, Störmann P, Heftrig D, Teuben MPJ, Oppermann E, Horst K, Pfeifer R, Simon TP, Kalbas Y, Pape HC, Hildebrand F, Marzi I, Relja B. Comparative Analysis of the Regulatory T Cells Dynamics in Peripheral Blood in Human and Porcine Polytrauma. Front Immunol 2018; 9:435. [PMID: 29593715 PMCID: PMC5859958 DOI: 10.3389/fimmu.2018.00435] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/13/2017] [Accepted: 02/19/2018] [Indexed: 12/18/2022] Open
Abstract
Background Severely injured patients experience substantial immunological stress in the aftermath of traumatic insult, which often results in systemic immune dysregulation. Regulatory T cells (Treg) play a key role in the suppression of the immune response and in the maintenance of immunological homeostasis. Little is known about their presence and dynamics in blood after trauma, and nothing is known about Treg in the porcine polytrauma model. Here, we assessed different subsets of Treg in trauma patients (TP) and compared those to either healthy volunteers (HV) or data from porcine polytrauma. Methods Peripheral blood was withdrawn from 20 TP with injury severity score (ISS) ≥16 at the admittance to the emergency department (ED), and subsequently on day 1 and at day 3. Ten HV were included as controls (ctrl). The porcine polytrauma model consisted of a femur fracture, liver laceration, lung contusion, and hemorrhagic shock resulting in an ISS of 27. After polytrauma, the animals underwent resuscitation and surgical fracture fixation. Blood samples were withdrawn before and immediately after trauma, 24 and 72 h later. Different subsets of Treg, CD4+CD25+, CD4+CD25+FoxP3+, CD4+CD25+CD127-, and CD4+CD25+CD127-FoxP3+ were characterized by flow cytometry. Results Absolute cell counts of leukocytes were significantly increasing after trauma, and again decreasing in the follow-up in human and porcine samples. The proportion of human Treg in the peripheral blood of TP admitted to the ED was lower when compared to HV. Their numbers did not recover until 72 h after trauma. Comparable data were found for all subsets. The situation in the porcine trauma model was comparable with the clinical data. In porcine peripheral blood before trauma, we could identify Treg with the typical immunophenotype (CD4+CD25+CD127-), which were virtually absent immediately after trauma. Similar to the human situation, most of these cells expressed FoxP3, as assessed by intracellular FACS stain. Conclusion Despite minor percental differences in the recovery of Treg populations after trauma, our findings show a comparable decrease of Treg early after polytrauma, and strengthen the immunological significance of the porcine polytrauma model. Furthermore, the Treg subpopulation CD4+CD25+CD127- was characterized in porcine samples.
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Affiliation(s)
- Rafael Serve
- Department of Trauma, Hand and Reconstructive Surgery, University Hospital Frankfurt, Goethe University, Frankfurt am Main, Germany
| | - Ramona Sturm
- Department of Trauma, Hand and Reconstructive Surgery, University Hospital Frankfurt, Goethe University, Frankfurt am Main, Germany
| | - Lukas Schimunek
- Department of Trauma, Hand and Reconstructive Surgery, University Hospital Frankfurt, Goethe University, Frankfurt am Main, Germany
| | - Philipp Störmann
- Department of Trauma, Hand and Reconstructive Surgery, University Hospital Frankfurt, Goethe University, Frankfurt am Main, Germany
| | - David Heftrig
- Department of Trauma, Hand and Reconstructive Surgery, University Hospital Frankfurt, Goethe University, Frankfurt am Main, Germany
| | - Michel P. J. Teuben
- Department of Orthopaedic Trauma Surgery, University Hospital Zurich, University of Zurich, Zurich, Switzerland
| | - Elsie Oppermann
- Department of Abdominal and Visceral Surgery, University Hospital Frankfurt, Goethe University, Frankfurt am Main, Germany
| | - Klemens Horst
- Department of Orthopaedic Trauma, RWTH Aachen University, Aachen, Germany
| | - Roman Pfeifer
- Department of Orthopaedic Trauma Surgery, University Hospital Zurich, University of Zurich, Zurich, Switzerland
| | - Tim P. Simon
- Department of Intensive Care and Intermediate Care, RWTH Aachen University, Aachen, Germany
| | - Yannik Kalbas
- Department of Orthopaedic Trauma Surgery, University Hospital Zurich, University of Zurich, Zurich, Switzerland
| | - Hans-Christoph Pape
- Department of Orthopaedic Trauma Surgery, University Hospital Zurich, University of Zurich, Zurich, Switzerland
| | - Frank Hildebrand
- Department of Orthopaedic Trauma, RWTH Aachen University, Aachen, Germany
| | - Ingo Marzi
- Department of Trauma, Hand and Reconstructive Surgery, University Hospital Frankfurt, Goethe University, Frankfurt am Main, Germany
| | - Borna Relja
- Department of Trauma, Hand and Reconstructive Surgery, University Hospital Frankfurt, Goethe University, Frankfurt am Main, Germany
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Ramos L, Obregon-Henao A, Henao-Tamayo M, Bowen R, Lunney JK, Gonzalez-Juarrero M. The minipig as an animal model to study Mycobacterium tuberculosis infection and natural transmission. Tuberculosis (Edinb) 2017; 106:91-98. [PMID: 28802411 DOI: 10.1016/j.tube.2017.07.003] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/13/2017] [Revised: 07/07/2017] [Accepted: 07/11/2017] [Indexed: 02/02/2023]
Abstract
In endemic countries more than 20% of tuberculosis (TB) cases are in infants and children. Current animal models study TB during adulthood but animal models for infant TB are scarce. Here we propose that minipigs can be used as an animal model to study adult, adolescent and infant TB including natural transmission. In these studies, two-month old minipigs (representing infant age in humans) and six-month old minipigs (representing adolescence in humans) were infected via the aerosol route with hyper-virulent clinical strain W-Beijing Mycobacterium tuberculosis (Mtb) HN878 and were monitored for 11 or 36 weeks post-challenge, respectively. In the same studies, infected and unchallenged animals were housed together. Viable bacteria were recovered from pulmonary and thoracic lymph nodes from both -infected and their initially unchallenged natural contacts. Bacillary load, gross lesions and histopathology revealed similarities to the spectrum of disease observed in human TB. The study did not reach terminal end point, thus it was not possible to annotate definitive clinical symptoms of active TB. The results demonstrated that minipigs are experimental hosts of Mtb HN878, and the pathology developed in their lungs resembles pathological findings described in human TB. Importantly, within communities of Mtb infected minipigs natural transmission occurs.
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Affiliation(s)
- Laylaa Ramos
- Cell and Molecular Biology Colorado State University, Fort Collins, CO 80523, USA
| | - Andres Obregon-Henao
- Department of Microbiology, Immunology and Pathology, Colorado State University, Campus Delivery 1682, Fort Collins, CO 80523, USA
| | - Marcela Henao-Tamayo
- Department of Microbiology, Immunology and Pathology, Colorado State University, Campus Delivery 1682, Fort Collins, CO 80523, USA
| | - Richard Bowen
- Department of Microbiology, Immunology and Pathology, Colorado State University, Campus Delivery 1682, Fort Collins, CO 80523, USA
| | - Joan K Lunney
- Animal Parasitic Diseases Laboratory, BARC, NEA, ARS, USDA, Building 1040, Room 103, BARC-East, Beltsville, MD 20705, USA
| | - Mercedes Gonzalez-Juarrero
- Department of Microbiology, Immunology and Pathology, Colorado State University, Campus Delivery 1682, Fort Collins, CO 80523, USA.
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Moreau E, Meurens F. Interleukins and large domestic animals, a bibliometric analysis. Heliyon 2017; 3:e00321. [PMID: 28653038 PMCID: PMC5476471 DOI: 10.1016/j.heliyon.2017.e00321] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/12/2017] [Revised: 05/21/2017] [Accepted: 06/05/2017] [Indexed: 12/21/2022] Open
Abstract
Interleukins have been well described in mice and humans. In large domestic animals the situation is drastically different and there is still a need for further researches aiming at identifying all the homologous interleukins and comparing their functions among species. We performed here a bibliometric analysis of all interleukins described in the literature in various large animal species to identify what is known so far and to underline where there is a need for new studies. Using indicators such as H index but also M quotient, A index, G index, GH ratio, and HG index we ranked 39 interleukins identified so far in bovine, caprine, equine, ovine, and porcine, the main large domestic animals. Indexes and ratio under investigations were higher for IL1, IL2, IL4, IL5, IL6, IL8, IL10, IL12, and IL18 than for other interleukins, particularly in bovine and porcine species and to a certain extent in equine species. Recently discovered interleukins presented low values for the different indexes, quotient, and ratio. Even some “old” interleukins showed low values highlighting the need for further developments in comparative immunology. For instance an interleukin such as IL4 demonstrated variation in its functions between species. In conclusion, this study provides the first bibliometric analysis dedicated to large domestic animal interleukins and underlines the need for more studies to fully determine the structure and the functions of interleukins in other mammal species.
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Maisonnasse P, Bouguyon E, Piton G, Ezquerra A, Urien C, Deloizy C, Bourge M, Leplat JJ, Simon G, Chevalier C, Vincent-Naulleau S, Crisci E, Montoya M, Schwartz-Cornil I, Bertho N. The respiratory DC/macrophage network at steady-state and upon influenza infection in the swine biomedical model. Mucosal Immunol 2016; 9:835-49. [PMID: 26530136 DOI: 10.1038/mi.2015.105] [Citation(s) in RCA: 58] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2015] [Accepted: 08/12/2015] [Indexed: 02/04/2023]
Abstract
Human and mouse respiratory tracts show anatomical and physiological differences, which will benefit from alternative experimental models for studying many respiratory diseases. Pig has been recognized as a valuable biomedical model, in particular for lung transplantation or pathologies such as cystic fibrosis and influenza infection. However, there is a lack of knowledge about the porcine respiratory immune system. Here we segregated and studied six populations of pig lung dendritic cells (DCs)/macrophages (Mθs) as follows: conventional DCs (cDC) 1 and cDC2, inflammatory monocyte-derived DCs (moDCs), monocyte-derived Mθs, and interstitial and alveolar Mθs. The three DC subsets present migratory and naive T-cell stimulation capacities. As observed in human and mice, porcine cDC1 and cDC2 were able to induce T-helper (Th)1 and Th2 responses, respectively. Interestingly, porcine moDCs increased in the lung upon influenza infection, as observed in the mouse model. Pig cDC2 shared some characteristics observed in human but not in mice, such as the expression of FCɛRIα and Langerin, and an intra-epithelial localization. This work, by unraveling the extended similarities of the porcine and human lung DC/Mθ networks, highlights the relevance of pig, both as an exploratory model of DC/Mθ functions and as a model for human inflammatory lung pathologies.
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Affiliation(s)
- P Maisonnasse
- Virologie et Immunologie Moléculaires UR892, Institut National de la Recherche Agronomique, Jouy-en-Josas, France
| | - E Bouguyon
- Virologie et Immunologie Moléculaires UR892, Institut National de la Recherche Agronomique, Jouy-en-Josas, France
| | - G Piton
- INRA, UMR Génétique Animale et Biologie Intégrative (GABI), Equipe Génétique Immunité Santé, Jouy-en-Josas, France.,Laboratoire de Radiobiologie et Etude du genome, CEA, Direction des Sciences du Vivant, Institut de Radiobiologie Cellulaire et Moléculaire, Jouy-en-Josas, France
| | - A Ezquerra
- Dpto. de Biotecnología, Instituto Nacional de Investigación y Tecnología Agraria y Alimentaria (INIA), Madrid, Spain
| | - C Urien
- Virologie et Immunologie Moléculaires UR892, Institut National de la Recherche Agronomique, Jouy-en-Josas, France
| | - C Deloizy
- Virologie et Immunologie Moléculaires UR892, Institut National de la Recherche Agronomique, Jouy-en-Josas, France
| | - M Bourge
- I2BC, Centre National de la Recherche Scientifique, Gif-sur-Yvette, France
| | - J-J Leplat
- INRA, UMR Génétique Animale et Biologie Intégrative (GABI), Equipe Génétique Immunité Santé, Jouy-en-Josas, France.,Laboratoire de Radiobiologie et Etude du genome, CEA, Direction des Sciences du Vivant, Institut de Radiobiologie Cellulaire et Moléculaire, Jouy-en-Josas, France
| | - G Simon
- Anses, Laboratoire de Ploufragan/Plouzané, Unité Virologie Immunologie Porcines, BP53, Ploufragan, France.,Université Européenne de Bretagne, Rennes, France
| | - C Chevalier
- Virologie et Immunologie Moléculaires UR892, Institut National de la Recherche Agronomique, Jouy-en-Josas, France
| | - S Vincent-Naulleau
- INRA, UMR Génétique Animale et Biologie Intégrative (GABI), Equipe Génétique Immunité Santé, Jouy-en-Josas, France.,Laboratoire de Radiobiologie et Etude du genome, CEA, Direction des Sciences du Vivant, Institut de Radiobiologie Cellulaire et Moléculaire, Jouy-en-Josas, France
| | - E Crisci
- Centre de Recerca en Sanitat Animal (CReSA), UAB-IRTA, Campus de la Universitat Autònoma de Barcelona, Bellaterra (Cerdanyola del Vallès), Spain
| | - M Montoya
- Centre de Recerca en Sanitat Animal (CReSA), UAB-IRTA, Campus de la Universitat Autònoma de Barcelona, Bellaterra (Cerdanyola del Vallès), Spain.,The Pirbright Institute, Surrey, UK
| | - I Schwartz-Cornil
- Virologie et Immunologie Moléculaires UR892, Institut National de la Recherche Agronomique, Jouy-en-Josas, France
| | - N Bertho
- Virologie et Immunologie Moléculaires UR892, Institut National de la Recherche Agronomique, Jouy-en-Josas, France
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Meurens F, Summerfield A, Nauwynck H, Saif L, Gerdts V. The pig: a model for human infectious diseases. Trends Microbiol 2011; 20:50-7. [PMID: 22153753 PMCID: PMC7173122 DOI: 10.1016/j.tim.2011.11.002] [Citation(s) in RCA: 673] [Impact Index Per Article: 51.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2011] [Revised: 10/21/2011] [Accepted: 11/02/2011] [Indexed: 12/11/2022]
Abstract
An animal model to study human infectious diseases should accurately reproduce the various aspects of disease. Domestic pigs (Sus scrofa domesticus) are closely related to humans in terms of anatomy, genetics and physiology, and represent an excellent animal model to study various microbial infectious diseases. Indeed, experiments in pigs are much more likely to be predictive of therapeutic treatments in humans than experiments in rodents. In this review, we highlight the numerous advantages of the pig model for infectious disease research and vaccine development and document a few examples of human microbial infectious diseases for which the use of pigs as animal models has contributed to the acquisition of new knowledge to improve both animal and human health.
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Affiliation(s)
- François Meurens
- Institut National de la Recherche Agronomique, Unité de Recherche 1282, Infectiologie Animale et Santé Publique, 37380, Nouzilly (Tours), France.
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