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Ahn H, Jeong DH, Lee G, Lee SJ, Yang JJ, Kim YH, Hahn TW, Choi S, Lee GS. Characterization of Inflammasomes and Their Regulation in the Red Fox. Animals (Basel) 2023; 13:3842. [PMID: 38136879 PMCID: PMC10741141 DOI: 10.3390/ani13243842] [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: 11/27/2023] [Revised: 12/11/2023] [Accepted: 12/12/2023] [Indexed: 12/24/2023] Open
Abstract
BACKGROUND Inflammasomes recognize endogenous and exogenous danger signals, and subsequently induce the secretion of IL-1β. Studying inflammasomes in the red fox (Vulpes vulpes) is crucial for wildlife veterinary medicine, as it can help control inflammatory diseases in foxes. METHODS We investigated the activation and intracellular mechanisms of three inflammasomes (NLRP3, AIM2, and NLRC4) in fox peripheral blood mononuclear cells (PBMCs), using established triggers and inhibitors derived from humans and mice. RESULTS Fox PBMCs exhibited normal activation and induction of IL-1β secretion in response to representative inflammasome triggers (ATP and nigericin for NLRP3, dsDNA for AIM2, flagellin for NLRC4). Additionally, PBMCs showed normal IL-1β secretion when inoculated with inflammasome-activating bacteria. In inhibitors of the inflammasome signaling pathway, fox inflammasome activation was compared with mouse inflammasomes. MCC950, a selective NLRP3 inhibitor, suppressed the secretion of dsDNA- and flagellin-mediated IL-1β in foxes, unlike mice. CONCLUSIONS These findings suggest that NLRP3 may have a common role in dsDNA- and flagellin-mediated inflammasome activation in the red fox. It implies that this fox inflammasome biology can be applied to the treatment of inflammasome-mediated diseases in the red fox.
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Affiliation(s)
- Huijeong Ahn
- College of Veterinary Medicine and Institute of Veterinary Science, Kangwon National University, Chuncheon 24341, Republic of Korea; (H.A.); (G.L.); (Y.-H.K.); (T.-W.H.); (S.C.)
| | - Dong-Hyuk Jeong
- Laboratory of Wildlife Medicine, College of Veterinary Medicine, Chungbuk National University, Cheongju 28644, Republic of Korea;
| | - Gilyoung Lee
- College of Veterinary Medicine and Institute of Veterinary Science, Kangwon National University, Chuncheon 24341, Republic of Korea; (H.A.); (G.L.); (Y.-H.K.); (T.-W.H.); (S.C.)
| | - Suk-Jin Lee
- National Park Institute of Wildlife Conservation, Gurye 57616, Republic of Korea; (S.-J.L.); (J.-J.Y.)
| | - Jeong-Jin Yang
- National Park Institute of Wildlife Conservation, Gurye 57616, Republic of Korea; (S.-J.L.); (J.-J.Y.)
| | - Yo-Han Kim
- College of Veterinary Medicine and Institute of Veterinary Science, Kangwon National University, Chuncheon 24341, Republic of Korea; (H.A.); (G.L.); (Y.-H.K.); (T.-W.H.); (S.C.)
| | - Tae-Wook Hahn
- College of Veterinary Medicine and Institute of Veterinary Science, Kangwon National University, Chuncheon 24341, Republic of Korea; (H.A.); (G.L.); (Y.-H.K.); (T.-W.H.); (S.C.)
| | - Sooyoung Choi
- College of Veterinary Medicine and Institute of Veterinary Science, Kangwon National University, Chuncheon 24341, Republic of Korea; (H.A.); (G.L.); (Y.-H.K.); (T.-W.H.); (S.C.)
| | - Geun-Shik Lee
- College of Veterinary Medicine and Institute of Veterinary Science, Kangwon National University, Chuncheon 24341, Republic of Korea; (H.A.); (G.L.); (Y.-H.K.); (T.-W.H.); (S.C.)
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Reißmann M, Rajavel A, Kokov ZA, Schmitt AO. Identification of Differentially Expressed Genes after Endurance Runs in Karbadian Horses to Determine Candidates for Stress Indicators and Performance Capability. Genes (Basel) 2023; 14:1982. [PMID: 38002925 PMCID: PMC10671444 DOI: 10.3390/genes14111982] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/15/2023] [Revised: 10/13/2023] [Accepted: 10/18/2023] [Indexed: 11/26/2023] Open
Abstract
RNA sequencing makes it possible to uncover genetic mechanisms that underlie certain performance traits. In order to gain a deeper insight into the genetic background and biological processes involved in endurance performance in horses, the changes in the gene expression profiles induced by endurance runs over long (70 km) and short (15 km) distances in the blood of Kabardian horses (Equus caballus) were analyzed. For the long-distance runs, we identified 1484 up- and 691 downregulated genes, while after short-distance runs, only 13 up- and 8 downregulated genes (FC > |1.5|; p < 0.05) were found. These differentially expressed genes (DEGs) are involved in processes and pathways that are primarily related to stress response (interleukin production, activation of inflammatory system) but also to metabolism (carbohydrate catabolic process, lipid biosynthesis, NADP metabolic process). The most important genes involved in these processes therefore represent good candidates for the monitoring and evaluation of the performance of horses in order to avoid excessive demands when endurance performance is required, like ACOD1, CCL5, CD40LG, FOS, IL1R2, IL20RA, and IL22RA2, on the one hand, and, on the other hand, for assessing the suitability of a horse for endurance races, like GATA2, GYG1, HIF1A, MOGAT1, PFKFB3, PLIN5, SIK1, and STBD1.
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Affiliation(s)
- Monika Reißmann
- Thaer-Institute of Agricultural and Horticultural Sciences, Humboldt-Universität zu Berlin, Unter den Linden 6, 10099 Berlin, Germany;
| | - Abirami Rajavel
- Breeding Informatics Group, Department of Animal Sciences, Georg-August University, Margarethe von Wrangell-Weg 7, 37075 Göttingen, Germany
| | - Zaur A. Kokov
- Institute of Physics and Mathematics, Kabardino-Balkarian State University, Chernyshevsky 173, Nalchik 360004, Russia;
| | - Armin O. Schmitt
- Breeding Informatics Group, Department of Animal Sciences, Georg-August University, Margarethe von Wrangell-Weg 7, 37075 Göttingen, Germany
- Center for Integrated Breeding Research (CiBreed), Georg-August University, Carl-Sprengel-Weg 1, 37075 Göttingen, Germany
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Carnet F, Perrin-Cocon L, Paillot R, Lotteau V, Pronost S, Vidalain PO. An inventory of adjuvants used for vaccination in horses: the past, the present and the future. Vet Res 2023; 54:18. [PMID: 36864517 PMCID: PMC9983233 DOI: 10.1186/s13567-023-01151-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2022] [Accepted: 01/27/2023] [Indexed: 03/04/2023] Open
Abstract
Vaccination is one of the most widely used strategies to protect horses against pathogens. However, available equine vaccines often have limitations, as they do not always provide effective, long-term protection and booster injections are often required. In addition, research efforts are needed to develop effective vaccines against emerging equine pathogens. In this review, we provide an inventory of approved adjuvants for equine vaccines worldwide, and discuss their composition and mode of action when available. A wide range of adjuvants are used in marketed vaccines for horses, the main families being aluminium salts, emulsions, polymers, saponins and ISCOMs. We also present veterinary adjuvants that are already used for vaccination in other species and are currently evaluated in horses to improve equine vaccination and to meet the expected level of protection against pathogens in the equine industry. Finally, we discuss new adjuvants such as liposomes, polylactic acid polymers, inulin, poly-ε-caprolactone nanoparticles and co-polymers that are in development. Our objective is to help professionals in the horse industry understand the composition of marketed equine vaccines in a context of mistrust towards vaccines. Besides, this review provides researchers with a list of adjuvants, either approved or at least evaluated in horses, that could be used either alone or in combination to develop new vaccines.
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Affiliation(s)
- Flora Carnet
- grid.508204.bLABÉO, 14280 Saint-Contest, France ,grid.412043.00000 0001 2186 4076BIOTARGEN, Normandie University, UNICAEN, 14280 Saint-Contest, France
| | - Laure Perrin-Cocon
- grid.462394.e0000 0004 0450 6033CIRI, Centre International de Recherche en Infectiologie, Univ Lyon, Inserm, U1111, Université Claude Bernard Lyon 1, CNRS, UMR5308, ENS de Lyon, 21 Avenue Tony Garnier, 69007 Lyon, France
| | - Romain Paillot
- grid.451003.30000 0004 0387 5232School of Equine and Veterinary Physiotherapy, Writtle University College, Lordship Road, Writtle, Chelmsford, CM1 3RR UK
| | - Vincent Lotteau
- grid.462394.e0000 0004 0450 6033CIRI, Centre International de Recherche en Infectiologie, Univ Lyon, Inserm, U1111, Université Claude Bernard Lyon 1, CNRS, UMR5308, ENS de Lyon, 21 Avenue Tony Garnier, 69007 Lyon, France
| | - Stéphane Pronost
- LABÉO, 14280, Saint-Contest, France. .,BIOTARGEN, Normandie University, UNICAEN, 14280, Saint-Contest, France.
| | - Pierre-Olivier Vidalain
- CIRI, Centre International de Recherche en Infectiologie, Univ Lyon, Inserm, U1111, Université Claude Bernard Lyon 1, CNRS, UMR5308, ENS de Lyon, 21 Avenue Tony Garnier, 69007, Lyon, France.
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Ahn H, Lee G, Han BC, Lee SH, Lee GS. Maltol, a Natural Flavor Enhancer, Inhibits NLRP3 and Non-Canonical Inflammasome Activation. Antioxidants (Basel) 2022; 11:1923. [PMID: 36290645 PMCID: PMC9598623 DOI: 10.3390/antiox11101923] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/05/2022] [Revised: 09/23/2022] [Accepted: 09/26/2022] [Indexed: 09/22/2023] Open
Abstract
Maltol (3-hydroxy-2-methyl-4-pyrone) is used widely as a food and cosmetic supplement, and it has antioxidant and anti-inflammatory activities. Inflammasome causes the maturation and secretion of interleukin (IL)-1β and -18 through the activation of caspase-1 (Casp1), which contributes to various inflammatory diseases. This study examined the effects of maltol on the inflammasome activation in macrophages and mice. Lipopolysaccharide (LPS)-primed macrophages were treated with a trigger of NLRP3, NLRC4, AIM2, or non-canonical (NC) inflammasomes in the presence of maltol. The secretion of IL-1β and IL-18 and the cleavage of Casp1 were analyzed as indices of inflammasome activation. Mice were injected with LPS and an NLRP3 trigger with or without maltol, and the peritoneal IL-1β secretions were observed. The effects of maltol on reactive oxygen species (ROS) production and Casp1 activity were analyzed to determine the mechanism. Maltol inhibited the activation of NLRP3 and NC inflammasomes, but it did not alter the other inflammasomes. Maltol also attenuated IL-1β secretion resulting from the inflammasome activation in mice. The anti-inflammatory mechanism of maltol was revealed by the inhibition of ROS production and Casp1 activity. Maltol is suggested to be promising as a anti-inflammasome molecule.
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Affiliation(s)
- Huijeong Ahn
- College of Veterinary Medicine and Institute of Veterinary Science, Kangwon National University, Chuncheon 24341, Korea
| | - Gilyoung Lee
- College of Veterinary Medicine and Institute of Veterinary Science, Kangwon National University, Chuncheon 24341, Korea
| | - Byung-Cheol Han
- College of Veterinary Medicine and Institute of Veterinary Science, Kangwon National University, Chuncheon 24341, Korea
- Korea Ginseng Research Institute, Korea Ginseng Corporation, Daejeon 34337, Korea
| | - Seung-Ho Lee
- Korea Ginseng Research Institute, Korea Ginseng Corporation, Daejeon 34337, Korea
| | - Geun-Shik Lee
- College of Veterinary Medicine and Institute of Veterinary Science, Kangwon National University, Chuncheon 24341, Korea
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Suagee-Bedore J, Shost N, Miller C, Grado L, Bechelli J. Age and Body Condition Influence the Post-Prandial Interleukin-1β Response to a High-Starch Meal in Horses. Animals (Basel) 2021; 11:3362. [PMID: 34944138 PMCID: PMC8698138 DOI: 10.3390/ani11123362] [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: 10/20/2021] [Revised: 11/15/2021] [Accepted: 11/18/2021] [Indexed: 11/21/2022] Open
Abstract
Older horses and those prone to obesity may be at a higher risk for inflammation than younger and leaner counterparts. Previous research indicated a postprandial elevation in plasma concentrations of interleukin-1β (IL-1β), a pro-inflammatory cytokine, after consuming 1.2 g of non-structural carbohydrates/kilogram of body weight. However, these studies utilized horses of mixed age and body condition. The current study evaluated post-prandial IL-1β concentrations in horses specifically comparing lean to over-conditioned and middle aged to older. Our results suggest that at least two weeks of daily consumption of a high non-structural carbohydrate diet is required to induce a post-prandial increase in IL-1β concentrations in younger and leaner horses. In opposition to this, older and over-conditioned horses experience plasma increased on the first day of feeding and thereafter. Feeding management practices of older and over-conditioned individuals should emphasize lower non-structural carbohydrate intakes and further research should elucidate mechanisms of IL-1β activation.
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Affiliation(s)
- Jessica Suagee-Bedore
- School of Agricultural Sciences, College of Science and Engineering Technology, Sam Houston State University, Huntsville, TX 77340, USA;
| | - Nichola Shost
- School of Agricultural Sciences, College of Science and Engineering Technology, Sam Houston State University, Huntsville, TX 77340, USA;
| | - Christian Miller
- Department of Biological Sciences, College of Science and Engineering Technology, Sam Houston State University, Huntsville, TX 77340, USA; (C.M.); (L.G.); (J.B.)
| | - Luis Grado
- Department of Biological Sciences, College of Science and Engineering Technology, Sam Houston State University, Huntsville, TX 77340, USA; (C.M.); (L.G.); (J.B.)
| | - Jeremy Bechelli
- Department of Biological Sciences, College of Science and Engineering Technology, Sam Houston State University, Huntsville, TX 77340, USA; (C.M.); (L.G.); (J.B.)
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Estrada McDermott J, Pezzanite L, Goodrich L, Santangelo K, Chow L, Dow S, Wheat W. Role of Innate Immunity in Initiation and Progression of Osteoarthritis, with Emphasis on Horses. Animals (Basel) 2021; 11:3247. [PMID: 34827979 PMCID: PMC8614551 DOI: 10.3390/ani11113247] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2021] [Revised: 11/08/2021] [Accepted: 11/10/2021] [Indexed: 01/15/2023] Open
Abstract
Osteoarthritis (OA) is a common condition with diverse etiologies, affecting horses, humans, and companion animals. Importantly, OA is not a single disease, but rather a disease process initiated by different events, including acute trauma, irregular or repetitive overload of articular structures, and spontaneous development with aging. Our understanding of the pathogenesis of OA is still evolving, and OA is increasingly considered a multifactorial disease in which the innate immune system plays a key role in regulating and perpetuating low-grade inflammation, resulting in sustained cartilage injury and destruction. Macrophages within the synovium and synovial fluid are considered the key regulators of immune processes in OA and are capable of both stimulating and suppressing joint inflammation, by responding to local and systemic cues. The purpose of this review is to examine the role of the innate immune system in the overall pathogenesis of OA, drawing on insights from studies in humans, animal models of OA, and from clinical and research studies in horses. This review also discusses the various therapeutic immune modulatory options currently available for managing OA and their mechanisms of action.
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Affiliation(s)
- Juan Estrada McDermott
- Department of Clinical Sciences, Colorado State University, Fort Collins, CO 80523, USA; (J.E.M.); (L.P.); (L.G.); (L.C.); (S.D.)
| | - Lynn Pezzanite
- Department of Clinical Sciences, Colorado State University, Fort Collins, CO 80523, USA; (J.E.M.); (L.P.); (L.G.); (L.C.); (S.D.)
| | - Laurie Goodrich
- Department of Clinical Sciences, Colorado State University, Fort Collins, CO 80523, USA; (J.E.M.); (L.P.); (L.G.); (L.C.); (S.D.)
| | - Kelly Santangelo
- Department of Microbiology, Immunology and Pathology, Colorado State University, Fort Collins, CO 80523, USA;
| | - Lyndah Chow
- Department of Clinical Sciences, Colorado State University, Fort Collins, CO 80523, USA; (J.E.M.); (L.P.); (L.G.); (L.C.); (S.D.)
| | - Steven Dow
- Department of Clinical Sciences, Colorado State University, Fort Collins, CO 80523, USA; (J.E.M.); (L.P.); (L.G.); (L.C.); (S.D.)
- Department of Microbiology, Immunology and Pathology, Colorado State University, Fort Collins, CO 80523, USA;
| | - William Wheat
- Department of Clinical Sciences, Colorado State University, Fort Collins, CO 80523, USA; (J.E.M.); (L.P.); (L.G.); (L.C.); (S.D.)
- Department of Microbiology, Immunology and Pathology, Colorado State University, Fort Collins, CO 80523, USA;
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Ahn H, Lee G, Lee GS. Lower Temperatures Exacerbate NLRP3 Inflammasome Activation by Promoting Monosodium Urate Crystallization, Causing Gout. Cells 2021; 10:cells10081919. [PMID: 34440688 PMCID: PMC8394355 DOI: 10.3390/cells10081919] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2021] [Revised: 07/23/2021] [Accepted: 07/27/2021] [Indexed: 12/16/2022] Open
Abstract
Gout is a recurrent and chronic form of arthritis caused by the deposition of monosodium urate (MSU) crystals in the joints. Macrophages intake MSU crystals, the trigger for NLRP3 inflammasome activation, which leads to the release of interleukin (IL)-1β and results in the flaring of gout. The effects of temperature, an environmental factor for MSU crystallization, on IL-1β secretion have not been well studied. This study examined the effects of temperature on inflammasome activation. Specific triggers activated canonical inflammasomes (NLRP3, NLRC4, and AIM2) in murine macrophages at various temperatures (25, 33, 37, 39, and 42 °C). The maturation of IL-1β and caspase-1 was measured as an indicator for inflammasome activation. As expected, the optimal temperature of inflammasome activation was 37 °C. The MSU crystal-mediated activation of inflammasome increased at temperatures lower than 37 °C and decreased at higher temperatures. MSU crystals at lower temperatures enhanced IL-1β secretion via the NLRP3 inflammasome pathway. A lower temperature promoted the formation of MSU crystals without changing phagocytosis. Overall, lower temperatures form more MSU crystals and enhance NLRP3 inflammasome activation. In light of these findings, it is possible that hyperthermia therapy may reduce gout flaring.
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Affiliation(s)
| | | | - Geun-Shik Lee
- Correspondence: ; Tel.: +82-3-3250-8683; Fax: +82-3-3244-2367
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Karagianni AE, Lisowski ZM, Hume DA, Scott Pirie R. The equine mononuclear phagocyte system: The relevance of the horse as a model for understanding human innate immunity. Equine Vet J 2020; 53:231-249. [PMID: 32881079 DOI: 10.1111/evj.13341] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2020] [Revised: 07/07/2020] [Accepted: 08/13/2020] [Indexed: 12/11/2022]
Abstract
The mononuclear phagocyte system (MPS) is a family of cells of related function that includes bone marrow progenitors, blood monocytes and resident tissue macrophages. Macrophages are effector cells in both innate and acquired immunity. They are a major resident cell population in every organ and their numbers increase in response to proinflammatory stimuli. Their function is highly regulated by a wide range of agonists, including lymphokines, cytokines and products of microorganisms. Macrophage biology has been studied most extensively in mice, yet direct comparisons of rodent and human macrophages have revealed many functional differences. In this review, we provide an overview of the equine MPS, describing the variation in the function and phenotype of macrophages depending on their location and the similarities and differences between the rodent, human and equine immune response. We discuss the use of the horse as a large animal model in which to study macrophage biology and pathological processes shared with humans. Finally, following the recent update to the horse genome, facilitating further comparative analysis of regulated gene expression between the species, we highlight the importance of future transcriptomic macrophage studies in the horse, the findings of which may also be applicable to human as well as veterinary research.
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Affiliation(s)
- Anna E Karagianni
- The Roslin Institute and Royal (Dick) School of Veterinary Studies, University of Edinburgh, Midlothian, UK
| | - Zofia M Lisowski
- The Roslin Institute and Royal (Dick) School of Veterinary Studies, University of Edinburgh, Midlothian, UK
| | - David A Hume
- Mater Research Institute-UQ, Translational Research Institute, Woolloongabba, QLD, Australia
| | - R Scott Pirie
- The Roslin Institute and Royal (Dick) School of Veterinary Studies, University of Edinburgh, Midlothian, UK
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