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Jolly A, Fernández B, Mundo SL, Elguezabal N. Modeling Paratuberculosis in Laboratory Animals, Cells, or Tissues: A Focus on Their Applications for Pathogenesis, Diagnosis, Vaccines, and Therapy Studies. Animals (Basel) 2023; 13:3553. [PMID: 38003170 PMCID: PMC10668694 DOI: 10.3390/ani13223553] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/12/2023] [Revised: 11/13/2023] [Accepted: 11/14/2023] [Indexed: 11/26/2023] Open
Abstract
Paratuberculosis is a chronic granulomatous enteritis caused by Mycobacterium avium subsp. Paratuberculosis that affects a wide variety of domestic and wild animals. It is considered one of the diseases with the highest economic impact on the ruminant industry. Despite many efforts and intensive research, paratuberculosis control still remains controversial, and the existing diagnostic and immunoprophylactic tools have great limitations. Thus, models play a crucial role in understanding the pathogenesis of infection and disease, and in testing novel vaccine candidates. Ruminant animal models can be restricted by several reasons, related to space requirements, the cost of the animals, and the maintenance of the facilities. Therefore, we review the potential and limitations of the different experimental approaches currently used in paratuberculosis research, focusing on laboratory animals and cell-based models. The aim of this review is to offer a vision of the models that have been used, and what has been achieved or discovered with each one, so that the reader can choose the best model to answer their scientific questions and prove their hypotheses. Also, we bring forward new approaches that we consider worth exploring in the near future.
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Affiliation(s)
- Ana Jolly
- Cátedra de Inmunología, Facultad de Ciencias Veterinarias, Universidad de Buenos Aires, Av. Chorroarín 280, Buenos Aires C1427CWO, Argentina; (B.F.); (S.L.M.)
| | - Bárbara Fernández
- Cátedra de Inmunología, Facultad de Ciencias Veterinarias, Universidad de Buenos Aires, Av. Chorroarín 280, Buenos Aires C1427CWO, Argentina; (B.F.); (S.L.M.)
- Instituto de Investigaciones en Producción Animal (INPA), CONICET-Universidad de Buenos Aires, Av. Chorroarín 280, Buenos Aires C1427CWO, Argentina
- Instituto de Investigación y Tecnología en Reproducción Animal (INITRA), Facultad de Ciencias Veterinarias, Universidad de Buenos Aires, Av. Chorroarín 280, Buenos Aires C1427CWO, Argentina
| | - Silvia Leonor Mundo
- Cátedra de Inmunología, Facultad de Ciencias Veterinarias, Universidad de Buenos Aires, Av. Chorroarín 280, Buenos Aires C1427CWO, Argentina; (B.F.); (S.L.M.)
- Instituto de Investigaciones en Producción Animal (INPA), CONICET-Universidad de Buenos Aires, Av. Chorroarín 280, Buenos Aires C1427CWO, Argentina
- Instituto de Investigación y Tecnología en Reproducción Animal (INITRA), Facultad de Ciencias Veterinarias, Universidad de Buenos Aires, Av. Chorroarín 280, Buenos Aires C1427CWO, Argentina
| | - Natalia Elguezabal
- Departamento de Sanidad Animal, NEIKER-Instituto Vasco de Investigación y Desarrollo Agrario-Basque Research and Technology Alliance (BRTA), 48160 Derio, Spain
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Optimized in vitro isolation of different subpopulation of immune cells from peripheral blood and comparative techniques for generation of monocyte-derived macrophages in small ruminants. Vet Immunol Immunopathol 2020; 230:110131. [PMID: 33129192 DOI: 10.1016/j.vetimm.2020.110131] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/02/2020] [Revised: 09/17/2020] [Accepted: 10/05/2020] [Indexed: 12/13/2022]
Abstract
Peripheral blood from healthy sheep (n = 3) and goats (n = 3) were employed to establish an efficient method for simultaneous isolation of peripheral blood mononuclear cells (PBMCs) and neutrophils and to standardize protocols for monocyte purification and generation of monocyte-derived macrophages (MDMs). In both species, a significantly enriched population of PBMCs, with higher purity and number of cells determined by flow cytometry, was achieved when processing through a density gradient a mixture of buffy-coat and red blood cell layer (RBC) in comparison to the use of just the buffy-coat (p < 0.05). Neutrophils could be subsequently isolated from the layer, located underneath PBMCs fraction with significant higher purity rates, higher than 85 % determined by flow cytometry, than those obtained with protocols without density gradients (< 60 %) (p < 0.05). This technique would allow the isolation of both cell populations from the same sample of blood. A pure cell population of monocytes, CD14+ cells, was purified from PBMCs when using immunomagnetic columns, which allow for 17 % (nº monocytes/nº PBMCs) of yield and high percentages of expression of CD14+ (88 %), MHC-II+ (91.5 %) and CD11b+ (94 %) established by flow cytometry. On the other hand, the classical and non-expensive purification of monocytes from PBMCs based on the adherence capacity of the former, allowed significantly lower yield of monocytes (4.6 %), with percentages of surface markers expression that dropped to 35 %, 65 % and 55 %, respectively (p < 0.001), suggesting the isolation of a mixed population of cells. The addition of GM-CSF to the culture, at concentration from 25 to 125 ng/mL, enhanced proportionally the number of MDMs generated compared to the absence of supplementation or the use of autologous serum from 5% to 20 %. However, purification of monocytes through the adherence method achieved higher yields of MDMs than those isolated through immunomagnetic columns in both species (p < 0.001). Under the conditions of this study, the use of centrifugation in density gradients allow for the simultaneous purification of PBMCs and neutrophils, with high purity of both populations, from the same sample of blood. The isolation of monocytes could be subsequently achieved through two different methods, i.e. based on immunomagnetic columns or adherence. The preference between both methods would depend on the necessities of the experiment, the initial sample with high purity of monocytes or a final population of MDMs required.
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García-Sánchez M, Jiménez-Pelayo L, Horcajo P, Regidor-Cerrillo J, Ólafsson EB, Bhandage AK, Barragan A, Werling D, Ortega-Mora LM, Collantes-Fernández E. Differential Responses of Bovine Monocyte-Derived Macrophages to Infection by Neospora caninum Isolates of High and Low Virulence. Front Immunol 2019; 10:915. [PMID: 31114577 PMCID: PMC6503000 DOI: 10.3389/fimmu.2019.00915] [Citation(s) in RCA: 29] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/26/2018] [Accepted: 04/09/2019] [Indexed: 12/31/2022] Open
Abstract
Neospora caninum, a protozoan parasite closely related to Toxoplasma gondii, represents one of the main causes of abortion in cattle. Macrophages (MØs) are mediators of the innate immune response against infection and likely one of the first cells encountered by the parasite during the host infection process. In this study, we investigated in vitro how high or low virulent isolates of N. caninum (Nc-Spain7 and Nc-Spain1H, respectively) interact with bovine monocyte-derived MØs and the influence of the isolate virulence on the subsequent cellular response. Both isolates actively invaded, survived and replicated in the MØs. However, Nc-Spain7 showed a higher invasion rate and a replication significantly faster, following an exponential growth model, whereas Nc-Spain1H presented a delayed replication and a lower growth rate without an exponential pattern. N. caninum infection induced a hypermigratory phenotype in bovine MØs that was characterized by enhanced motility and transmigration in vitro and was accompanied by morphological changes and abrogated extracellular matrix degradation. A significantly higher hypermotility was observed with the highly virulent isolate Nc-Spain7. Nc-Spain1H-infected MØs showed elevated reactive oxygen species (ROS) production and IL12p40 expression, which also resulted in increased IFN-γ release by lymphocytes, compared to cells infected with Nc-Spain7. Furthermore, IL-10 was upregulated in MØs infected with both isolates. Infected MØs exhibited lower expression of MHC Class II, CD86, and CD1b molecules than uninfected MØs, with non-significant differences between isolates. This work characterizes for the first time N. caninum replication in bovine monocyte-derived MØs and details isolate-dependent differences in host cell responses to the parasite.
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Affiliation(s)
- Marta García-Sánchez
- SALUVET, Animal Health Department, Complutense University of Madrid, Madrid, Spain
| | - Laura Jiménez-Pelayo
- SALUVET, Animal Health Department, Complutense University of Madrid, Madrid, Spain
| | - Pilar Horcajo
- SALUVET, Animal Health Department, Complutense University of Madrid, Madrid, Spain
| | | | - Einar B. Ólafsson
- Department of Molecular Biosciences, The Wenner-Gren Institute, Stockholm University, Stockholm, Sweden
| | - Amol K. Bhandage
- Department of Molecular Biosciences, The Wenner-Gren Institute, Stockholm University, Stockholm, Sweden
| | - Antonio Barragan
- Department of Molecular Biosciences, The Wenner-Gren Institute, Stockholm University, Stockholm, Sweden
| | - Dirk Werling
- Department of Pathobiology and Population Sciences, Royal Veterinary College, University of London, North Mymms, United Kingdom
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Hussain T, Zhao D, Shah SZA, Wang J, Yue R, Liao Y, Sabir N, Yang L, Zhou X. MicroRNA 27a-3p Regulates Antimicrobial Responses of Murine Macrophages Infected by Mycobacterium avium subspecies paratuberculosis by Targeting Interleukin-10 and TGF-β-Activated Protein Kinase 1 Binding Protein 2. Front Immunol 2018; 8:1915. [PMID: 29375563 PMCID: PMC5768609 DOI: 10.3389/fimmu.2017.01915] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/03/2017] [Accepted: 12/14/2017] [Indexed: 12/21/2022] Open
Abstract
Mycobacterium avium subspecies paratuberculosis (MAP) persistently survive and replicate in mononuclear phagocytic cells by adopting various strategies to subvert host immune response. Interleukin-10 (IL-10) upregulation via inhibition of macrophage bactericidal activity is a critical step for MAP survival and pathogenesis within the host cell. Mitogen-activated protein kinase p38 signaling cascade plays a crucial role in the elevation of IL-10 and progression of MAP pathogenesis. The contribution of microRNAs (miRNAs) and their influence on the activation of macrophages during MAP pathogenesis are still unclear. In the current study, we found that miRNA-27a-3p (miR-27a) expression is downregulated during MAP infection both in vivo and in vitro. Moreover, miR-27a is also downregulated in toll-like receptor 2 (TLR2)-stimulated murine macrophages (RAW264.7 and bone marrow-derived macrophage). ELISA and real-time qRT-PCR results confirm that overexpression of miR-27a inhibited MAP-induced IL-10 production in macrophages and upregulated pro-inflammatory cytokines, while miR-27a inhibitor counteracted these effects. Luciferase reporter assay results revealed that IL-10 and TGF-β-activated protein kinase 1 binding protein 2 (TAB 2) are potential targets of miR-27a. In addition, we demonstrated that miR-27a negatively regulates TAB 2 expression and diminishes TAB 2-dependent p38/JNK phosphorylation, ultimately downregulating IL-10 expression in MAP-infected macrophages. Furthermore, overexpression of miR-27a significantly inhibited the intracellular survival of MAP in infected macrophages. Our data show that miR-27a augments antimicrobial activities of macrophages and inhibits the expression of IL-10, demonstrating that miR-27a regulates protective innate immune responses during MAP infection and can be exploited as a novel therapeutic target in the control of intracellular pathogens, including paratuberculosis.
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Affiliation(s)
- Tariq Hussain
- State Key Laboratories for Agrobiotechnology, Key Laboratory of Animal Epidemiology and Zoonosis, Ministry of Agriculture, National Animal Transmissible Spongiform Encephalopathy Laboratory, College of Veterinary Medicine, China Agricultural University, Beijing, China
| | - Deming Zhao
- State Key Laboratories for Agrobiotechnology, Key Laboratory of Animal Epidemiology and Zoonosis, Ministry of Agriculture, National Animal Transmissible Spongiform Encephalopathy Laboratory, College of Veterinary Medicine, China Agricultural University, Beijing, China
| | - Syed Zahid Ali Shah
- State Key Laboratories for Agrobiotechnology, Key Laboratory of Animal Epidemiology and Zoonosis, Ministry of Agriculture, National Animal Transmissible Spongiform Encephalopathy Laboratory, College of Veterinary Medicine, China Agricultural University, Beijing, China
| | - Jie Wang
- State Key Laboratories for Agrobiotechnology, Key Laboratory of Animal Epidemiology and Zoonosis, Ministry of Agriculture, National Animal Transmissible Spongiform Encephalopathy Laboratory, College of Veterinary Medicine, China Agricultural University, Beijing, China
| | - Ruichao Yue
- State Key Laboratories for Agrobiotechnology, Key Laboratory of Animal Epidemiology and Zoonosis, Ministry of Agriculture, National Animal Transmissible Spongiform Encephalopathy Laboratory, College of Veterinary Medicine, China Agricultural University, Beijing, China
| | - Yi Liao
- State Key Laboratories for Agrobiotechnology, Key Laboratory of Animal Epidemiology and Zoonosis, Ministry of Agriculture, National Animal Transmissible Spongiform Encephalopathy Laboratory, College of Veterinary Medicine, China Agricultural University, Beijing, China
| | - Naveed Sabir
- State Key Laboratories for Agrobiotechnology, Key Laboratory of Animal Epidemiology and Zoonosis, Ministry of Agriculture, National Animal Transmissible Spongiform Encephalopathy Laboratory, College of Veterinary Medicine, China Agricultural University, Beijing, China
| | - Lifeng Yang
- State Key Laboratories for Agrobiotechnology, Key Laboratory of Animal Epidemiology and Zoonosis, Ministry of Agriculture, National Animal Transmissible Spongiform Encephalopathy Laboratory, College of Veterinary Medicine, China Agricultural University, Beijing, China
| | - Xiangmei Zhou
- State Key Laboratories for Agrobiotechnology, Key Laboratory of Animal Epidemiology and Zoonosis, Ministry of Agriculture, National Animal Transmissible Spongiform Encephalopathy Laboratory, College of Veterinary Medicine, China Agricultural University, Beijing, China
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Souza C, Bannantine J, Brown W, Norton M, Davis W, Hwang J, Ziaei P, Abdellrazeq G, Eren M, Deringer J, Laws E, Cardieri M. A nano particle vector comprised of poly lactic-co-glycolic acid and monophosphoryl lipid A and recombinant Mycobacterium avium
subsp paratuberculosis
peptides stimulate a pro-immune profile in bovine macrophages. J Appl Microbiol 2017; 123:54-65. [DOI: 10.1111/jam.13491] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2017] [Revised: 04/19/2017] [Accepted: 05/09/2017] [Indexed: 11/29/2022]
Affiliation(s)
- C.D. Souza
- Department of Veterinary Clinical Sciences; College of Veterinary Medicine; Washington State University; Pullman WA USA
| | - J.P. Bannantine
- National Animal Disease Center; USDA-Agricultural Research Service; Ames IA USA
| | - W.C. Brown
- School of Mechanical and Materials Engineering; Washington State University; Pullman WA USA
| | - M.G. Norton
- School of Mechanical and Materials Engineering; Washington State University; Pullman WA USA
| | - W.C. Davis
- Department of Veterinary Microbiology and Pathology; Washington State University; Pullman WA USA
| | - J.K. Hwang
- Department of Veterinary Clinical Sciences; College of Veterinary Medicine; Washington State University; Pullman WA USA
| | - P. Ziaei
- School of Mechanical and Materials Engineering; Washington State University; Pullman WA USA
| | - G.S. Abdellrazeq
- Department of Veterinary Microbiology and Pathology; Washington State University; Pullman WA USA
- Department of Microbiology; Faculty of Veterinary Medicine; Alexandria University; Alexandria Egypt
| | - M.V. Eren
- Department of Veterinary Clinical Sciences; College of Veterinary Medicine; Washington State University; Pullman WA USA
| | - J.R. Deringer
- School of Mechanical and Materials Engineering; Washington State University; Pullman WA USA
| | - E. Laws
- Department of Veterinary Clinical Sciences; College of Veterinary Medicine; Washington State University; Pullman WA USA
| | - M.C.D. Cardieri
- Department of Veterinary Clinical Sciences; College of Veterinary Medicine; Washington State University; Pullman WA USA
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