1
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Xu Y, Lin C, Tan HY, Bian ZX. The double-edged sword effect of indigo naturalis. Food Chem Toxicol 2024; 185:114476. [PMID: 38301993 DOI: 10.1016/j.fct.2024.114476] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/04/2023] [Revised: 01/18/2024] [Accepted: 01/20/2024] [Indexed: 02/03/2024]
Abstract
Indigo naturalis (IN) is a dried powder derived from plants such as Baphicacanthus cusia (Neeks) Bremek., Polygonum tinctorium Ait. and Isatis indigotica Fork. It has a historical application as a dye in ancient India, Egypt, Africa and China. Over time, it has been introduced to China and Japan for treatment of various ailments including hemoptysis, epistaxis, chest discomfort, and aphtha. Clinical and pre-clinical studies have widely demonstrated its promising effects on autoimmune diseases like psoriasis and Ulcerative colitis (UC). Despite the documented efficacy of IN in UC patients, concerns have been raised on the development of adverse effects with long term consumption, prompting a closer examination of its safety and tolerability in these contexts. This review aims to comprehensively assess the efficacy of IN in both clinical and pre-clinical settings, with a detailed exploration of the mechanisms of action involved. Additionally, it summarizes the observed potential toxicity of IN in animal and human settings was summarized. This review will deepen our understanding on the beneficial and detrimental effects of IN in UC, providing valuable insights for its future application in patients with this condition.
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Affiliation(s)
- Yiqi Xu
- Centre for Chinese Herbal Medicine Drug Development, Hong Kong Baptist University, Hong Kong SAR, China
| | - Chengyuan Lin
- Centre for Chinese Herbal Medicine Drug Development, Hong Kong Baptist University, Hong Kong SAR, China
| | - Hor-Yue Tan
- Centre for Chinese Herbal Medicine Drug Development, Hong Kong Baptist University, Hong Kong SAR, China; School of Chinese Medicine, Hong Kong Baptist University, Hong Kong SAR, China.
| | - Zhao-Xiang Bian
- Centre for Chinese Herbal Medicine Drug Development, Hong Kong Baptist University, Hong Kong SAR, China; School of Chinese Medicine, Hong Kong Baptist University, Hong Kong SAR, China.
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2
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Zapata AG. The fish spleen. FISH & SHELLFISH IMMUNOLOGY 2024; 144:109280. [PMID: 38086514 DOI: 10.1016/j.fsi.2023.109280] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/18/2023] [Revised: 12/05/2023] [Accepted: 12/06/2023] [Indexed: 12/31/2023]
Abstract
In the present study, we review the structure and function of fish spleen with special emphasis on its condition in Elasmobranchs, Teleosts and Lungfish. Apart from the amount of splenic lymphoid tissue, the histological organization of the organ ensures the existence of areas involved in antigen trapping, the ellipsoids, and exhibit numerous melano-macrophages which appear isolated or forming the so-called melano-macrophage centres. An extensive discussion on the functional significance of these centres conclude that they are mere accumulations of macrophages consequence of tissue homeostasis rather than primitive germinal centres, as proposed by some authors.
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Affiliation(s)
- Agustín G Zapata
- Department of Cell Biology, Faculty of Biology, Complutense University, 28040, Madrid, Spain.
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3
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Jones EM, Cain KD. An Introduction to Relevant Immunology Principles with Respect to Oral Vaccines in Aquaculture. Microorganisms 2023; 11:2917. [PMID: 38138061 PMCID: PMC10745647 DOI: 10.3390/microorganisms11122917] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2023] [Revised: 11/30/2023] [Accepted: 12/01/2023] [Indexed: 12/24/2023] Open
Abstract
Vaccines continue to play an enormous role in the progression of aquaculture industries worldwide. Though preventable diseases cause massive economic losses, injection-based vaccine delivery is cost-prohibitive or otherwise impractical for many producers. Most oral vaccines, which are much cheaper to administer, do not provide adequate protection relative to traditional injection or even immersion formulas. Research has focused on determining why there appears to be a lack of protection afforded by oral vaccines. Here, we review the basic immunological principles associated with oral vaccination before discussing the recent progress and current status of oral vaccine research. This knowledge is critical for the development and advancement of efficacious oral vaccines for the aquaculture industry.
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Affiliation(s)
| | - Kenneth D. Cain
- Department of Fisheries and Wildlife, University of Idaho, Moscow, ID 83844, USA;
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4
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Liu Z, Zheng Y. An immune-cell transcription factor tethers DNA together. Nature 2023; 624:255-256. [PMID: 38030764 DOI: 10.1038/d41586-023-03628-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/01/2023]
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5
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Tian H, Xing J, Tang X, Sheng X, Chi H, Zhan W. Cytokine networks provide sufficient evidence for the differentiation of CD4 + T cells in teleost fish. DEVELOPMENTAL AND COMPARATIVE IMMUNOLOGY 2023; 141:104627. [PMID: 36587713 DOI: 10.1016/j.dci.2022.104627] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/29/2022] [Revised: 12/23/2022] [Accepted: 12/28/2022] [Indexed: 06/17/2023]
Abstract
Cytokines, a class of small molecular proteins with a wide range of biological activities, are secreted mainly by immune cells and function by binding to the corresponding receptors to regulate cell growth, differentiation and effects. CD4+ T cells can be defined into different lineages based on the unique set of signature cytokines and transcription factors, including helper T cells (Th1, Th2, Th17) and regulatory T cells (Treg). In teleost, CD4+ T cells have been identified in a variety of fish species, thought to play roles as Th cells, and shown to be involved in the immune response following specific antigen stimulation. With the update of sequencing technologies, a variety of cytokines and transcription factors capable of characterizing CD4+ T cell subsets also have been described in fish, including hallmark cytokines such as IFN-γ, TNF-α, IL-4, IL-17, IL-10, TGF-β and unique transcription factors such as T-bet, GATA3, RORγt, and Foxp3. Hence, there is increasing evidence that the subpopulation of Th and Treg cells present in mammals may also exist in teleost fish. However, the differentiation, plasticity and precise roles of Th cell subsets in mammals remain controversial. Research on the identification and differentiation of fish Th cells is still in its infancy and requires more significant effort. Here we will review recent research advances in characterizing the differentiation of fish CD4+ T cells by cytokines and transcription factors, mainly including the identification of Th and Treg cell hallmark cytokines and transcription factors, the regulatory role of cytokines on Th cell differentiation, and the function of Th and Treg cells in the immune response. The primary purpose of this review is to deepen our understanding of cytokine networks in characterizing the differentiation of CD4+ T cells in teleost.
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Affiliation(s)
- Hongfei Tian
- Laboratory of Pathology and Immunology of Aquatic Animals, KLMME, Fisheries College, Ocean University of China, Qingdao, 266003, China
| | - Jing Xing
- Laboratory of Pathology and Immunology of Aquatic Animals, KLMME, Fisheries College, Ocean University of China, Qingdao, 266003, China; Laboratory for Marine Fisheries Science and Food Production Processes, Qingdao National Laboratory for Marine Science and Technology, Qingdao, 266071, China.
| | - Xiaoqian Tang
- Laboratory of Pathology and Immunology of Aquatic Animals, KLMME, Fisheries College, Ocean University of China, Qingdao, 266003, China
| | - Xiuzhen Sheng
- Laboratory of Pathology and Immunology of Aquatic Animals, KLMME, Fisheries College, Ocean University of China, Qingdao, 266003, China
| | - Heng Chi
- Laboratory of Pathology and Immunology of Aquatic Animals, KLMME, Fisheries College, Ocean University of China, Qingdao, 266003, China
| | - Wenbin Zhan
- Laboratory of Pathology and Immunology of Aquatic Animals, KLMME, Fisheries College, Ocean University of China, Qingdao, 266003, China; Laboratory for Marine Fisheries Science and Food Production Processes, Qingdao National Laboratory for Marine Science and Technology, Qingdao, 266071, China.
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6
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D'Addabbo P, Frezza D, Sulentic CE. Evolutive emergence and divergence of an Ig regulatory node: An environmental sensor getting cues from the aryl hydrocarbon receptor? Front Immunol 2023; 14:996119. [PMID: 36817426 PMCID: PMC9936319 DOI: 10.3389/fimmu.2023.996119] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2022] [Accepted: 01/18/2023] [Indexed: 02/05/2023] Open
Abstract
One gene, the immunoglobulin heavy chain (IgH) gene, is responsible for the expression of all the different antibody isotypes. Transcriptional regulation of the IgH gene is complex and involves several regulatory elements including a large element at the 3' end of the IgH gene locus (3'RR). Animal models have demonstrated an essential role of the 3'RR in the ability of B cells to express high affinity antibodies and to express different antibody classes. Additionally, environmental chemicals such as aryl hydrocarbon receptor (AhR) ligands modulate mouse 3'RR activity that mirrors the effects of these chemicals on antibody production and immunocompetence in mouse models. Although first discovered as a mediator of the toxicity induced by the high affinity ligand 2,3,7,8-tetracholordibenzo-p-dioxin (dioxin), understanding of the AhR has expanded to a physiological role in preserving homeostasis and maintaining immunocompetence. We posit that the AhR also plays a role in human antibody production and that the 3'RR is not only an IgH regulatory node but also an environmental sensor receiving signals through intrinsic and extrinsic pathways, including the AhR. This review will 1) highlight the emerging role of the AhR as a key transducer between environmental signals and altered immune function; 2) examine the current state of knowledge regarding IgH gene regulation and the role of the AhR in modulation of Ig production; 3) describe the evolution of the IgH gene that resulted in species and population differences; and 4) explore the evidence supporting the environmental sensing capacity of the 3'RR and the AhR as a transducer of these cues. This review will also underscore the need for studies focused on human models due to the premise that understanding genetic differences in the human population and the signaling pathways that converge at the 3'RR will provide valuable insight into individual sensitivities to environmental factors and antibody-mediated disease conditions, including emerging infections such as SARS-CoV-2.
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Affiliation(s)
- Pietro D'Addabbo
- Department of Biology, University of Bari “Aldo Moro”, Bari, Italy
| | - Domenico Frezza
- Department of Biology E. Calef, University of Rome Tor Vergata, Rome, Italy
| | - Courtney E.W. Sulentic
- Department of Pharmacology & Toxicology, Boonshoft School of Medicine, Wright State University, Dayton, OH, United States
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7
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Okamura Y, Kono T, Sakai M, Hikima JI. Evolutional perspective and functional characteristics of interleukin-17 in teleosts. FISH & SHELLFISH IMMUNOLOGY 2023; 132:108496. [PMID: 36526158 DOI: 10.1016/j.fsi.2022.108496] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/31/2022] [Revised: 12/10/2022] [Accepted: 12/13/2022] [Indexed: 06/17/2023]
Abstract
Interleukin (IL)-17 is a proinflammatory cytokine and plays essential roles in adaptive and innate immune responses against bacterial and fungal infections. Especially in mammalian mucosal tissues, it is well known that innate immune responses via IL-17A and IL-17F, such as the production of antimicrobial peptides, are very important for microbiota control. In contrast, interesting insights into the functions of IL-17 have recently been reported in several teleost species, although little research has been conducted on teleost IL-17. In the present review, we focused on current insights on teleost IL-17 and speculated on the different or consensus parts of teleost IL-17 signaling compared to that of mammals. This review focuses on the role of teleost IL-17 in intestinal immunity. We expect that this review will encourage a further understanding of the roles and importance of IL-17 signaling in teleosts.
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Affiliation(s)
- Yo Okamura
- Department of Immunology, School of Medicine, University of Washington, Seattle, WA, 98109, USA
| | - Tomoya Kono
- Department of Biochemistry and Applied Biosciences, Faculty of Agriculture, University of Miyazaki, Miyazaki, Japan
| | - Masahiro Sakai
- Department of Biochemistry and Applied Biosciences, Faculty of Agriculture, University of Miyazaki, Miyazaki, Japan
| | - Jun-Ichi Hikima
- Department of Biochemistry and Applied Biosciences, Faculty of Agriculture, University of Miyazaki, Miyazaki, Japan.
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8
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Identification of environmental factors that promote intestinal inflammation. Nature 2022; 611:801-809. [PMID: 36266581 PMCID: PMC9898826 DOI: 10.1038/s41586-022-05308-6] [Citation(s) in RCA: 52] [Impact Index Per Article: 26.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2021] [Accepted: 09/01/2022] [Indexed: 02/06/2023]
Abstract
Genome-wide association studies have identified risk loci linked to inflammatory bowel disease (IBD)1-a complex chronic inflammatory disorder of the gastrointestinal tract. The increasing prevalence of IBD in industrialized countries and the augmented disease risk observed in migrants who move into areas of higher disease prevalence suggest that environmental factors are also important determinants of IBD susceptibility and severity2. However, the identification of environmental factors relevant to IBD and the mechanisms by which they influence disease has been hampered by the lack of platforms for their systematic investigation. Here we describe an integrated systems approach, combining publicly available databases, zebrafish chemical screens, machine learning and mouse preclinical models to identify environmental factors that control intestinal inflammation. This approach established that the herbicide propyzamide increases inflammation in the small and large intestine. Moreover, we show that an AHR-NF-κB-C/EBPβ signalling axis operates in T cells and dendritic cells to promote intestinal inflammation, and is targeted by propyzamide. In conclusion, we developed a pipeline for the identification of environmental factors and mechanisms of pathogenesis in IBD and, potentially, other inflammatory diseases.
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9
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Wei H, Qiu X, Lv M, Liu X. Expression analysis of grass carp Foxp3 and its biologic effects on CXCL-8 transcription in non-lymphoid cells. DEVELOPMENTAL AND COMPARATIVE IMMUNOLOGY 2022; 134:104447. [PMID: 35597302 DOI: 10.1016/j.dci.2022.104447] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/12/2021] [Revised: 05/13/2022] [Accepted: 05/13/2022] [Indexed: 06/15/2023]
Abstract
Teleost Forkhead box protein P3 (Foxp3) expression was discovered not only in regulatory T cells (Tregs) but also in other cells. Compared to the extensive study on its roles in lymphoid cells, the expression pattern and biological roles of Foxp3 in non-lymphoid cells have not been elucidated in both mammals and fish species. In the present study, grass carp Foxp3 (gcFoxp3) mRNA expression was detected in different cell types, showing that it has a moderate expression level in peripheral blood leukocytes (PBLs), head kidney leukocytes (HKLs) and grass carp fibroblast-like kidney cells (CIK cells). Interestingly, gcFoxp3 mRNA and protein expression could be significantly stimulated by polyinosinic-polycytidylic acid (poly I:C) in CIK cells, indicating its participation in poly I:C-induced immune response in non-lymphoid cells. To further investigate the function of gcFoxp3, its overexpression plasmid was constructed and transfected into CIK cells. After 24 h of transfection, grass carp C-X-C chemokine ligand (CXCL) 8 (gcCXCL-8) mRNA expression was elevated, implying the modulatory role of gcFoxp3 in gcCXCL-8 mRNA expression. This notion was further supported by the features of gcCXCL-8 promoter which contained a putative Foxp3 binding site at -2196 to -2190 region. Poly I:C or overexpression of gcFoxp3 obviously stimulated gcCXCL-8 promoter activity and deletion of gcFoxp3 binding region on the promoter abolished this stimulation, revealing that Foxp3 is pivotal for transcription of CXCL-8 induced by poly I:C. In conclusion, our results collectively demonstrate expression pattern of teleost Foxp3, and illuminate novel immune function of fish Foxp3 in regulating chemokine transcription in non-lymphoid cells.
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Affiliation(s)
- He Wei
- School of Bioscience and Technology, Chengdu Medical College, Chengdu, People's Republic of China; Department of Gastroenterology, The Second Affiliated Hospital of Chengdu Medical College, Chengdu, People's Republic of China.
| | - Xingyang Qiu
- School of Life Science and Technology, University of Electronic Science and Technology of China, Chengdu, People's Republic of China
| | - Mengyuan Lv
- School of Life Science and Technology, University of Electronic Science and Technology of China, Chengdu, People's Republic of China
| | - Xuelian Liu
- School of Life Science and Technology, University of Electronic Science and Technology of China, Chengdu, People's Republic of China
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10
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Zapata AG. Lympho-Hematopoietic Microenvironments and Fish Immune System. BIOLOGY 2022; 11:747. [PMID: 35625475 PMCID: PMC9138301 DOI: 10.3390/biology11050747] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/09/2022] [Revised: 05/10/2022] [Accepted: 05/11/2022] [Indexed: 12/20/2022]
Abstract
In the last 50 years information on the fish immune system has increased importantly, particularly that on species of marked commercial interest (i.e., salmonids, cods, catfish, sea breams), that occupy a key position in the vertebrate phylogenetical tree (i.e., Agnatha, Chondrichtyes, lungfish) or represent consolidated experimental models, such as zebrafish or medaka. However, most obtained information was based on genetic sequence analysis with little or no information on the cellular basis of the immune responses. Although jawed fish contain a thymus and lympho-hematopoietic organs equivalents to mammalian bone marrow, few studies have accounted for the presumptive relationships between the organization of these cell microenvironments and the known immune capabilities of the fish immune system. In the current review, we analyze this topic providing information on: (1) The origins of T and B lymphopoiesis in Agnatha and jawed fish; (2) the remarkable organization of the thymus of teleost fish; (3) the occurrence of numerous, apparently unrelated organs housing lympho-hematopoietic progenitors and, presumably, B lymphopoiesis; (4) the existence of fish immunological memory in the absence of germinal centers.
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Affiliation(s)
- Agustín G. Zapata
- Department of Cell Biology, Faculty of Biology, Complutense University of Madrid, 28040 Madrid, Spain; ; Tel.: +34-913-944-979
- Health Research Institute, Hospital 12 de Octubre (imas12), 28041 Madrid, Spain
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11
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Lee PT, Yamamoto FY, Low CF, Loh JY, Chong CM. Gut Immune System and the Implications of Oral-Administered Immunoprophylaxis in Finfish Aquaculture. Front Immunol 2022; 12:773193. [PMID: 34975860 PMCID: PMC8716388 DOI: 10.3389/fimmu.2021.773193] [Citation(s) in RCA: 25] [Impact Index Per Article: 12.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/09/2021] [Accepted: 11/23/2021] [Indexed: 12/13/2022] Open
Abstract
The gastrointestinal immune system plays an important role in immune homeostasis regulation. It regulates the symbiotic host-microbiome interactions by training and developing the host's innate and adaptive immunity. This interaction plays a vital role in host defence mechanisms and at the same time, balancing the endogenous perturbations of the host immune homeostasis. The fish gastrointestinal immune system is armed with intricate diffused gut-associated lymphoid tissues (GALTs) that establish tolerance toward the enormous commensal gut microbiome while preserving immune responses against the intrusion of enteric pathogens. A comprehensive understanding of the intestinal immune system is a prerequisite for developing an oral vaccine and immunostimulants in aquaculture, particularly in cultured fish species. In this review, we outline the remarkable features of gut immunity and the essential components of gut-associated lymphoid tissue. The mechanistic principles underlying the antigen absorption and uptake through the intestinal epithelial, and the subsequent immune activation through a series of molecular events are reviewed. The emphasis is on the significance of gut immunity in oral administration of immunoprophylactics, and the different potential adjuvants that circumvent intestinal immune tolerance. Comprehension of the intestinal immune system is pivotal for developing effective fish vaccines that can be delivered orally, which is less labour-intensive and could improve fish health and facilitate disease management in the aquaculture industry.
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Affiliation(s)
- Po-Tsang Lee
- Department of Aquaculture, National Taiwan Ocean University, Keelung, Taiwan
| | - Fernando Y Yamamoto
- Thad Cochran National Warmwater Aquaculture Center, Mississippi Agriculture and Forestry Experiment Station, Mississippi State University, Stoneville, MS, United States
| | - Chen-Fei Low
- Institute of Systems Biology, Universiti Kebangsaan Malaysia, Bangi, Malaysia
| | - Jiun-Yan Loh
- Centre of Research for Advanced Aquaculture (CORAA), UCSI University, Cheras, Malaysia
| | - Chou-Min Chong
- Aquatic Animal Health and Therapeutics Laboratory (AquaHealth), Institute of Bioscience, Universiti Putra Malaysia, Serdang, Malaysia
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12
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Xie J, Li M, Ye W, Shan J, Zhao X, Duan Y, Liu Y, Unger BH, Cheng Y, Zhang W, Wu N, Xia XQ. Sinomenine Hydrochloride Ameliorates Fish Foodborne Enteritis via α7nAchR-Mediated Anti-Inflammatory Effect Whilst Altering Microbiota Composition. Front Immunol 2021; 12:766845. [PMID: 34887862 PMCID: PMC8650311 DOI: 10.3389/fimmu.2021.766845] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2021] [Accepted: 11/02/2021] [Indexed: 02/06/2023] Open
Abstract
Foodborne intestinal inflammation is a major health and welfare issue in aquaculture. To prevent enteritis, various additives have been incorporated into the fish diet. Considering anti-inflammatory immune regulation, an effective natural compound could potentially treat or prevent intestinal inflammation. Our previous study has revealed galantamine’s effect on soybean induced enteritis (SBMIE) and has highlighted the possible role of the cholinergic anti-inflammatory pathway in the fish gut. To further activate the intestinal cholinergic related anti-inflammatory function, α7nAchR signaling was considered. In this study, sinomenine, a typical agonist of α7nAChR in mammals, was tested to treat fish foodborne enteritis via its potential anti-inflammation effect using the zebrafish foodborne enteritis model. After sinomenine’s dietary inclusion, results suggested that there was an alleviation of intestinal inflammation at a pathological level. This outcome was demonstrated through the improved morphology of intestinal villi. At a molecular level, SN suppressed inflammatory cytokines’ expression (especially for tnf-α) and upregulated anti-inflammation-related functions (indicated by expression of il-10, il-22, and foxp3a). To systematically understand sinomenine’s intestinal effect on SBMIE, transcriptomic analysis was done on the SBMIE adult fish model. DEGs (sinomenine vs soybean meal groups) were enriched in GO terms related to the negative regulation of lymphocyte/leukocyte activation and alpha-beta T cell proliferation, as well as the regulation of lymphocyte migration. The KEGG pathways for glycolysis and insulin signaling indicated metabolic adjustments of α7nAchR mediated anti-inflammatory effect. To demonstrate the immune cells’ response, in the SBMIE larva model, inflammatory gatherings of neutrophils, macrophages, and lymphocytes caused by soybean meal could be relieved significantly with the inclusion of sinomenine. This was consistent within the sinomenine group as CD4+ or Foxp3+ lymphocytes were found with a higher proportion at the base of mucosal folds, which may suggest the Treg population. Echoing, the sinomenine group’s 16s sequencing result, there were fewer enteritis-related TM7, Sphingomonas and Shigella, but more Cetobacterium, which were related to glucose metabolism. Our findings indicate that sinomenine hydrochloride could be important in the prevention of fish foodborne enteritis at both immune and microbiota levels.
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Affiliation(s)
- Jiayuan Xie
- Institute of Hydrobiology, Chinese Academy of Sciences, Wuhan, China.,College of Advanced Agricultural Sciences, University of Chinese Academy of Sciences, Beijing, China
| | - Ming Li
- Institute of Hydrobiology, Chinese Academy of Sciences, Wuhan, China.,College of Fisheries and Life Science, Dalian Ocean University, Dalian, China
| | - Weidong Ye
- Institute of Hydrobiology, Chinese Academy of Sciences, Wuhan, China.,College of Advanced Agricultural Sciences, University of Chinese Academy of Sciences, Beijing, China
| | - Junwei Shan
- Institute of Hydrobiology, Chinese Academy of Sciences, Wuhan, China.,College of Fisheries and Life Science, Dalian Ocean University, Dalian, China
| | - Xuyang Zhao
- Institute of Hydrobiology, Chinese Academy of Sciences, Wuhan, China.,College of Fisheries and Life Science, Dalian Ocean University, Dalian, China
| | - You Duan
- Institute of Hydrobiology, Chinese Academy of Sciences, Wuhan, China.,College of Advanced Agricultural Sciences, University of Chinese Academy of Sciences, Beijing, China
| | - Yuhang Liu
- Institute of Hydrobiology, Chinese Academy of Sciences, Wuhan, China.,College of Fisheries and Life Science, Dalian Ocean University, Dalian, China
| | | | - Yingyin Cheng
- Institute of Hydrobiology, Chinese Academy of Sciences, Wuhan, China
| | - Wanting Zhang
- Institute of Hydrobiology, Chinese Academy of Sciences, Wuhan, China
| | - Nan Wu
- Institute of Hydrobiology, Chinese Academy of Sciences, Wuhan, China.,College of Advanced Agricultural Sciences, University of Chinese Academy of Sciences, Beijing, China
| | - Xiao-Qin Xia
- Institute of Hydrobiology, Chinese Academy of Sciences, Wuhan, China.,College of Fisheries and Life Science, Dalian Ocean University, Dalian, China
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13
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Gupta S, Adhikary S, Hui SP. Decoding the proregenerative competence of regulatory T cells through complex tissue regeneration in zebrafish. Clin Exp Immunol 2021; 206:346-353. [PMID: 34529822 DOI: 10.1111/cei.13661] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/09/2021] [Revised: 09/03/2021] [Accepted: 09/07/2021] [Indexed: 12/12/2022] Open
Abstract
Regulatory T cells (Tregs ) are specific subtype of T cells that play a central role in sustaining self-antigen tolerance and restricting inflammatory tissue damage. More recently, additional direct functions of Tregs in mammalian tissue repair have emerged, but the regenerative potential of Tregs in non-mammalian vertebrates has not been explored despite the latter possessing a highly developed adaptive immune system. Why complex organs such as the caudal fin, heart, brain, spinal cord and retina regenerate in certain non-mammalian vertebrates, but not in mammals, is an interesting but unresolved question in the field of regenerative biology. Inflammation has traditionally been thought to be an impediment to regeneration due to the formation of scars. Regenerative decline in higher organisms has been speculated to be the evolutionary advent of adaptive immunity. Recent studies, however, have shown that the innate inflammatory response in non-mammalian organisms is required for organ regeneration. It has also been found that highly advanced adaptive immunity is no longer incompatible with regeneration and for that, Tregs are important. Zebrafish regulatory T cells (zTregs ) migrate rapidly to the injury site in damaged organs, where they facilitate the proliferation of regeneration precursor cells by generating tissue-specific regenerative factors by a process distinct from the canonical anti-inflammatory pathway. We review both reparative and proregenerative roles of Tregs in mammals and zebrafish, respectively, and also give an overview of the forkhead box protein 3 (FoxP3) -dependent immunosuppressive function of Tregs in zebrafish, which makes it a useful model organism for future Treg biology and research.
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Affiliation(s)
- Samudra Gupta
- S. N. Pradhan Centre for Neurosciences, University of Calcutta, Kolkata, India
| | - Satadal Adhikary
- Post Graduate Department of Zoology, ABN Seal College, Cooch Behar, India
| | - Subhra Prakash Hui
- S. N. Pradhan Centre for Neurosciences, University of Calcutta, Kolkata, India
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14
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Miao KZ, Kim GY, Meara GK, Qin X, Feng H. Tipping the Scales With Zebrafish to Understand Adaptive Tumor Immunity. Front Cell Dev Biol 2021; 9:660969. [PMID: 34095125 PMCID: PMC8173129 DOI: 10.3389/fcell.2021.660969] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2021] [Accepted: 04/19/2021] [Indexed: 12/20/2022] Open
Abstract
The future of improved immunotherapy against cancer depends on an in-depth understanding of the dynamic interactions between the immune system and tumors. Over the past two decades, the zebrafish has served as a valuable model system to provide fresh insights into both the development of the immune system and the etiologies of many different cancers. This well-established foundation of knowledge combined with the imaging and genetic capacities of the zebrafish provides a new frontier in cancer immunology research. In this review, we provide an overview of the development of the zebrafish immune system along with a side-by-side comparison of its human counterpart. We then introduce components of the adaptive immune system with a focus on their roles in the tumor microenvironment (TME) of teleosts. In addition, we summarize zebrafish models developed for the study of cancer and adaptive immunity along with other available tools and technology afforded by this experimental system. Finally, we discuss some recent research conducted using the zebrafish to investigate adaptive immune cell-tumor interactions. Without a doubt, the zebrafish will arise as one of the driving forces to help expand the knowledge of tumor immunity and facilitate the development of improved anti-cancer immunotherapy in the foreseeable future.
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Affiliation(s)
- Kelly Z Miao
- Department of Pharmacology & Experimental Therapeutics, Boston University School of Medicine, Boston, MA, United States
| | - Grace Y Kim
- Department of Pharmacology & Experimental Therapeutics, Boston University School of Medicine, Boston, MA, United States
| | - Grace K Meara
- Department of Pharmacology & Experimental Therapeutics, Boston University School of Medicine, Boston, MA, United States
| | - Xiaodan Qin
- Department of Pharmacology & Experimental Therapeutics, Boston University School of Medicine, Boston, MA, United States
| | - Hui Feng
- Department of Pharmacology & Experimental Therapeutics, Boston University School of Medicine, Boston, MA, United States.,Department of Medicine, Section of Hematology and Medical Oncology, Boston University School of Medicine, Boston, MA, United States
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15
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Moreira C, Paiola M, Duflot A, Varó I, Sitjà-Bobadilla A, Knigge T, Pinto P, Monsinjon T. The influence of 17β-oestradiol on lymphopoiesis and immune system ontogenesis in juvenile sea bass, Dicentrarchus labrax. DEVELOPMENTAL AND COMPARATIVE IMMUNOLOGY 2021; 118:104011. [PMID: 33460678 DOI: 10.1016/j.dci.2021.104011] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/18/2020] [Revised: 01/10/2021] [Accepted: 01/10/2021] [Indexed: 06/12/2023]
Abstract
The female sex steroid 17β-oestradiol (E2) is involved in the regulation of numerous physiological functions, including the immune system development and performance. The role of oestrogens during ontogenesis is, however, not well studied. In rodents and fish, thymus maturation appears to be oestrogen-dependent. Nevertheless, little is known about the function of oestrogen in immune system development. To further the understanding of the role of oestrogens in fish immune system ontogenesis, fingerlings of European sea bass (Dicentrarchus labrax) were exposed for 30 days to 20 ng E2·L-1, at two ages tightly related to thymic maturation, i.e., 60 or 90 days post hatch (dph). The expression of nuclear and membrane oestrogen receptors was measured in the thymus and spleen, and the expression of several T cell-related gene markers was studied in both immune organs, as well as in the liver. Waterborne E2-exposure at 20.2 ± 2.1 (S.E.) ng·L-1 was confirmed by radioimmunoassay, leading to significantly higher E2-contents in the liver of exposed fish. The majority of gene markers presented age-dependent dynamics in at least one of the organs, confirming thymus maturation, but also suggesting a critical ontogenetic window for the implementation of liver resident γδ and αβ T cells. The oestrogen receptors, however, remained unchanged over the age and treatment comparisons with the exception of esr2b, which was modulated by E2 in the younger cohort and increased its expression with age in the thymus of the older cohort, as did the membrane oestrogen receptor gpera. These results confirm that oestrogen-signalling is involved in thymus maturation in European sea bass, as it is in mammals. This suggests that esr2b and gpera play key roles during thymus ontogenesis, particularly during medulla maturation. In contrast, the spleen expressed low or non-detectable levels of oestrogen receptors. The E2-exposure decreased the expression of tcrγ in the liver in the cohort exposed from 93 to 122 dph, but not the expression of any other immune-related gene analysed. These results indicate that the proliferation/migration of these innate-like T cell populations is oestrogen-sensitive. In regard to the apparent prominent role of oestrogen-signalling in the late thymus maturation stage, the thymic differentiation of the corresponding subpopulations of T cells might be regulated by oestrogen. To the best of our knowledge, this is the first study investigating the dynamics of both nuclear and membrane oestrogen receptors in specific immune organs in a teleost fish at very early stages of immune system development as well as to examine thymic function in sea bass after an exposure to E2 during ontogenesis.
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Affiliation(s)
- Catarina Moreira
- UMR-I 02 Environmental Stress and Aquatic Biomonitoring (SEBIO), University of Le Havre Normandy, F-76600, Le Havre, France
| | - Matthieu Paiola
- UMR-I 02 Environmental Stress and Aquatic Biomonitoring (SEBIO), University of Le Havre Normandy, F-76600, Le Havre, France; Department of Microbiology and Immunology, University of Rochester Medical Center, 14642, Rochester, NY, United States
| | - Aurélie Duflot
- UMR-I 02 Environmental Stress and Aquatic Biomonitoring (SEBIO), University of Le Havre Normandy, F-76600, Le Havre, France
| | - Inma Varó
- Instituto de Acuicultura Torre de La Sal, CSIC, 12595, Ribera de Cabanes, Castellón, Spain
| | | | - Thomas Knigge
- UMR-I 02 Environmental Stress and Aquatic Biomonitoring (SEBIO), University of Le Havre Normandy, F-76600, Le Havre, France
| | - Patrícia Pinto
- Centro de Ciências Do Mar (CCMAR), Universidade Do Algarve, 8005-139, Faro, Portugal
| | - Tiphaine Monsinjon
- UMR-I 02 Environmental Stress and Aquatic Biomonitoring (SEBIO), University of Le Havre Normandy, F-76600, Le Havre, France.
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16
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Levy O, Rothhammer V, Mascanfroni I, Tong Z, Kuai R, De Biasio M, Wang Q, Majid T, Perrault C, Yeste A, Kenison JE, Safaee H, Musabeyezu J, Heinelt M, Milton Y, Kuang H, Lan H, Siders W, Multon MC, Rothblatt J, Massadeh S, Alaamery M, Alhasan AH, Quintana FJ, Karp JM. A cell-based drug delivery platform for treating central nervous system inflammation. J Mol Med (Berl) 2021; 99:663-671. [PMID: 33398468 DOI: 10.1007/s00109-020-02003-9] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2020] [Revised: 10/22/2020] [Accepted: 10/29/2020] [Indexed: 01/18/2023]
Abstract
Mesenchymal stem cells (MSCs) are promising candidates for the development of cell-based drug delivery systems for autoimmune inflammatory diseases, such as multiple sclerosis (MS). Here, we investigated the effect of Ro-31-8425, an ATP-competitive kinase inhibitor, on the therapeutic properties of MSCs. Upon a simple pretreatment procedure, MSCs spontaneously took up and then gradually released significant amounts of Ro-31-8425. Ro-31-8425 (free or released by MSCs) suppressed the proliferation of CD4+ T cells in vitro following polyclonal and antigen-specific stimulation. Systemic administration of Ro-31-8425-loaded MSCs ameliorated the clinical course of experimental autoimmune encephalomyelitis (EAE), a murine model of MS, displaying a stronger suppressive effect on EAE than control MSCs or free Ro-31-8425. Ro-31-8425-MSC administration resulted in sustained levels of Ro-31-8425 in the serum of EAE mice, modulating immune cell trafficking and the autoimmune response during EAE. Collectively, these results identify MSC-based drug delivery as a potential therapeutic strategy for the treatment of autoimmune diseases. KEY MESSAGES: MSCs can spontaneously take up the ATP-competitive kinase inhibitor Ro-31-8425. Ro-31-8425-loaded MSCs gradually release Ro-31-8425 and exhibit sustained suppression of T cells. Ro-31-8425-loaded MSCs have more sustained serum levels of Ro-31-8425 than free Ro-31-8425. Ro-31-8425-loaded MSCs are more effective than MSCs and free Ro-31-8425 for EAE therapy.
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Affiliation(s)
- Oren Levy
- Department of Anesthesiology, Perioperative and Pain Medicine, Brigham and Women's Hospital, Harvard Medical School, Harvard Stem Cell Institute, Boston, MA, USA
| | - Veit Rothhammer
- Center for Neurologic Diseases, Brigham and Women's Hospital, Harvard Medical School, Boston, MA, USA
| | - Ivan Mascanfroni
- Center for Neurologic Diseases, Brigham and Women's Hospital, Harvard Medical School, Boston, MA, USA
| | - Zhixiang Tong
- Department of Anesthesiology, Perioperative and Pain Medicine, Brigham and Women's Hospital, Harvard Medical School, Harvard Stem Cell Institute, Boston, MA, USA
| | - Rui Kuai
- Department of Anesthesiology, Perioperative and Pain Medicine, Brigham and Women's Hospital, Harvard Medical School, Harvard Stem Cell Institute, Boston, MA, USA
- Centre of Excellence for Biomedicine, Brigham and Women's Hospital, Boston, MA, USA
| | - Michael De Biasio
- Department of Anesthesiology, Perioperative and Pain Medicine, Brigham and Women's Hospital, Harvard Medical School, Harvard Stem Cell Institute, Boston, MA, USA
| | - Qingping Wang
- Department of Drug Metabolism and Pharmacokinetics, Sanofi R&D, Waltham, MA, USA
| | - Tahir Majid
- Global Research Program and Portfolio Management, Sanofi-Genzyme, Cambridge, MA, USA
| | - Christelle Perrault
- Sanofi R&D, In Vitro Pharmacology, Integrated Drug Discovery, Centre de Recherche Vitry-Alfortville, Vitry-Sur-Seine, France
| | - Ada Yeste
- Center for Neurologic Diseases, Brigham and Women's Hospital, Harvard Medical School, Boston, MA, USA
| | - Jessica E Kenison
- Center for Neurologic Diseases, Brigham and Women's Hospital, Harvard Medical School, Boston, MA, USA
| | - Helia Safaee
- Department of Anesthesiology, Perioperative and Pain Medicine, Brigham and Women's Hospital, Harvard Medical School, Harvard Stem Cell Institute, Boston, MA, USA
| | - Juliet Musabeyezu
- Department of Anesthesiology, Perioperative and Pain Medicine, Brigham and Women's Hospital, Harvard Medical School, Harvard Stem Cell Institute, Boston, MA, USA
| | - Martina Heinelt
- Department of Anesthesiology, Perioperative and Pain Medicine, Brigham and Women's Hospital, Harvard Medical School, Harvard Stem Cell Institute, Boston, MA, USA
| | - Yuka Milton
- Department of Anesthesiology, Perioperative and Pain Medicine, Brigham and Women's Hospital, Harvard Medical School, Harvard Stem Cell Institute, Boston, MA, USA
| | - Heidi Kuang
- Department of Anesthesiology, Perioperative and Pain Medicine, Brigham and Women's Hospital, Harvard Medical School, Harvard Stem Cell Institute, Boston, MA, USA
| | - Haoyue Lan
- Department of Anesthesiology, Perioperative and Pain Medicine, Brigham and Women's Hospital, Harvard Medical School, Harvard Stem Cell Institute, Boston, MA, USA
| | - William Siders
- Genzyme R&D, Neuroimmunology Research, Framingham, MA, USA
| | - Marie-Christine Multon
- Sanofi R&D, Translational Sciences, Centre de Recherche Vitry-Alfortville, Vitry-Sur-Seine, France
| | | | - Salam Massadeh
- Developmental Medicine Department, King Abdullah International Medical Research Center, Ministry of National Guard Health Affairs, Riyadh, Saudi Arabia
- Centre of Excellence for Biomedicine, Joint Centers of Excellence Program, King Abdulaziz City for Science and Technology, Riyadh, Saudi Arabia
| | - Manal Alaamery
- Developmental Medicine Department, King Abdullah International Medical Research Center, Ministry of National Guard Health Affairs, Riyadh, Saudi Arabia
- Centre of Excellence for Biomedicine, Joint Centers of Excellence Program, King Abdulaziz City for Science and Technology, Riyadh, Saudi Arabia
| | - Ali H Alhasan
- Centre of Excellence for Biomedicine, Joint Centers of Excellence Program, King Abdulaziz City for Science and Technology, Riyadh, Saudi Arabia
- National Center of Pharmaceutical Technology, Life Science and Environment Research Institute, King Abdulaziz City for Science and Technology, Riyadh, Saudi Arabia
| | - Francisco J Quintana
- Center for Neurologic Diseases, Brigham and Women's Hospital, Harvard Medical School, Boston, MA, USA.
- Centre of Excellence for Biomedicine, Brigham and Women's Hospital, Boston, MA, USA.
- The Broad Institute of Harvard and MIT, Cambridge, MA, USA.
| | - Jeffrey M Karp
- Department of Anesthesiology, Perioperative and Pain Medicine, Brigham and Women's Hospital, Harvard Medical School, Harvard Stem Cell Institute, Boston, MA, USA.
- Centre of Excellence for Biomedicine, Brigham and Women's Hospital, Boston, MA, USA.
- The Broad Institute of Harvard and MIT, Cambridge, MA, USA.
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17
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Yamaguchi T, Chang CJ, Karger A, Keller M, Pfaff F, Wangkahart E, Wang T, Secombes CJ, Kimoto A, Furihata M, Hashimoto K, Fischer U, Dijkstra JM. Ancient Cytokine Interleukin 15-Like (IL-15L) Induces a Type 2 Immune Response. Front Immunol 2020; 11:549319. [PMID: 33193315 PMCID: PMC7658486 DOI: 10.3389/fimmu.2020.549319] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2020] [Accepted: 08/28/2020] [Indexed: 12/20/2022] Open
Abstract
Related interleukin-2, -15, and -15-like (IL-2, -15, and -15L) are ancient cytokines, with all three genes surviving in extant fish and some mammals. The present study is the first to identify IL-15L functions, namely in rainbow trout. In isolated trout splenocytes, and in vivo, purified recombinant IL-15L+IL-15Rα molecules induced expression of IL-4 and IL-13 homologs, which are markers of type 2 immunity. In contrast, trout IL-15 stimulated type 1 immunity markers, thus IL-15 and IL-15L can have opposing functions. Trout IL-15L was more dependent on "in trans" presentation by the receptor chain IL-15Rα than IL-15, and stimulated CD4-CD8-(IgM-) lymphocytes from thymus and spleen. We propose an important role for IL-15L early in the type 2 immunity cytokine cascade. Trout IL-2 and IL-15 exhibited features reminiscent of their mechanistic and functional dichotomy observed in mammals; for example, IL-15 but not IL-2 required a receptor alpha chain (only IL-15Rα in the case of fish) for its stability, and only IL-15 was efficient in stimulating lymphocytes from mucosal tissues. Data suggest that IL-15L and IL-15 may be particularly effective in stimulating innate lymphocyte type 2 cells (ILC2) and natural killer (NK) cells, respectively, but further identification of the cell types is needed. An interesting finding different from in mammals was the efficient stimulation of CD4+CD8+ thymocytes by IL-2. In short, this study presents fundamental information on the evolution of the IL-2/15/15L cytokine family.
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Affiliation(s)
- Takuya Yamaguchi
- Institute of Infectology, Friedrich-Loeffler-Institut, Greifswald-Insel Riems, Germany
| | - Chia Jung Chang
- Institute of Infectology, Friedrich-Loeffler-Institut, Greifswald-Insel Riems, Germany
| | - Axel Karger
- Institute of Molecular Virology and Cell Biology, Friedrich-Loeffler-Institut, Greifswald-Insel Riems, Germany
| | - Markus Keller
- Institute of Novel and Emerging Infectious Diseases, Friedrich-Loeffler-Institut, Greifswald-Insel Riems, Germany
| | - Florian Pfaff
- Institute of Diagnostic Virology, Friedrich-Loeffler-Institut, Greifswald-Insel Riems, Germany
| | - Eakapol Wangkahart
- Scottish Fish Immunology Research Centre, School of Biological Sciences, University of Aberdeen, Aberdeen, United Kingdom
| | - Tiehui Wang
- Scottish Fish Immunology Research Centre, School of Biological Sciences, University of Aberdeen, Aberdeen, United Kingdom
| | - Christopher J Secombes
- Scottish Fish Immunology Research Centre, School of Biological Sciences, University of Aberdeen, Aberdeen, United Kingdom
| | - Azusa Kimoto
- Institute for Comprehensive Medical Science, Fujita Health University, Toyoake, Japan
| | - Mitsuru Furihata
- Nagano Prefectural Fisheries Experimental Station, Nagano, Japan
| | - Keiichiro Hashimoto
- Institute for Comprehensive Medical Science, Fujita Health University, Toyoake, Japan
| | - Uwe Fischer
- Institute of Infectology, Friedrich-Loeffler-Institut, Greifswald-Insel Riems, Germany
| | - Johannes M Dijkstra
- Institute for Comprehensive Medical Science, Fujita Health University, Toyoake, Japan
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18
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Li X, Zhang F, Wu N, Ye D, Wang Y, Zhang X, Sun Y, Zhang YA. A critical role of foxp3a-positive regulatory T cells in maintaining immune homeostasis in zebrafish testis development. J Genet Genomics 2020; 47:547-561. [PMID: 33309050 DOI: 10.1016/j.jgg.2020.07.006] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/17/2020] [Revised: 07/22/2020] [Accepted: 07/30/2020] [Indexed: 01/07/2023]
Abstract
Suppressive regulatory T cells (Treg cells) play a vital role in preventing autoimmunity and restraining excessive immune response to both self- and non-self-antigens. Studies on humans and mice show that the Forkhead box p3 (Foxp3) is a key regulatory gene for the development and function of Treg cells. In zebrafish, Treg cells have been identified by using foxp3a as a reliable marker. However, little is known about the function of foxp3a and Treg cells in gonadal development and sex differentiation. Here, we show that foxp3a is essential for maintaining immune homeostasis in zebrafish testis development. We found that foxp3a was specifically expressed in a subset of T cells in zebrafish testis, while knockout of foxp3a led to deficiency of foxp3a-positive Treg cells in the testis. More than 80% of foxp3a-/- mutants developed as subfertile males, and the rest of the mutants developed as fertile females with decreased ovulation. Further study revealed that foxp3a-/- mutants had a delayed juvenile ovary-to-testis transition in definite males and sex reversal in about half of the definite females, which led to a dominance of later male development. Owing to the absence of foxp3a-positive Treg cells in the differentiating testis of foxp3a-/- mutants, abundant T cells and macrophages expand to disrupt an immunosuppressive milieu, resulting in defective development of germ cells and gonadal somatic cells and leading to development of infertile males. Therefore, our study reveals that foxp3a-positive Treg cells play an essential role in the orchestration of gonadal development and sex differentiation in zebrafish.
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Affiliation(s)
- Xianmei Li
- State Key Laboratory of Freshwater Ecology and Biotechnology, Innovation Academy for Seed Design, Institute of Hydrobiology, Chinese Academy of Sciences, Wuhan, 430072, China; University of Chinese Academy of Sciences, Beijing, 100049, China
| | - Fenghua Zhang
- State Key Laboratory of Freshwater Ecology and Biotechnology, Innovation Academy for Seed Design, Institute of Hydrobiology, Chinese Academy of Sciences, Wuhan, 430072, China; University of Chinese Academy of Sciences, Beijing, 100049, China
| | - Nan Wu
- State Key Laboratory of Freshwater Ecology and Biotechnology, Innovation Academy for Seed Design, Institute of Hydrobiology, Chinese Academy of Sciences, Wuhan, 430072, China
| | - Ding Ye
- State Key Laboratory of Freshwater Ecology and Biotechnology, Innovation Academy for Seed Design, Institute of Hydrobiology, Chinese Academy of Sciences, Wuhan, 430072, China
| | - Yaqing Wang
- State Key Laboratory of Freshwater Ecology and Biotechnology, Innovation Academy for Seed Design, Institute of Hydrobiology, Chinese Academy of Sciences, Wuhan, 430072, China; University of Chinese Academy of Sciences, Beijing, 100049, China
| | - Xiaofan Zhang
- State Key Laboratory of Freshwater Ecology and Biotechnology, Innovation Academy for Seed Design, Institute of Hydrobiology, Chinese Academy of Sciences, Wuhan, 430072, China; University of Chinese Academy of Sciences, Beijing, 100049, China
| | - Yonghua Sun
- State Key Laboratory of Freshwater Ecology and Biotechnology, Innovation Academy for Seed Design, Institute of Hydrobiology, Chinese Academy of Sciences, Wuhan, 430072, China; University of Chinese Academy of Sciences, Beijing, 100049, China.
| | - Yong-An Zhang
- State Key Laboratory of Freshwater Ecology and Biotechnology, Innovation Academy for Seed Design, Institute of Hydrobiology, Chinese Academy of Sciences, Wuhan, 430072, China; Laboratory for Marine Biology and Biotechnology, Qingdao National Laboratory for Marine Science and Technology, Qingdao, 266071, China; State Key Laboratory of Agricultural Microbiology, College of Fisheries, Huazhong Agricultural University, Wuhan, 430070, China.
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19
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Martini E, Giugliano S, Rescigno M, Kallikourdis M. Regulatory T Cells Beyond Autoimmunity: From Pregnancy to Cancer and Cardiovascular Disease. Front Immunol 2020; 11:509. [PMID: 32296427 PMCID: PMC7136891 DOI: 10.3389/fimmu.2020.00509] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/22/2019] [Accepted: 03/05/2020] [Indexed: 01/21/2023] Open
Abstract
The evolution of the full range of functions of regulatory T cells (Treg) coincides with the evolution of mammalian pregnancy. Accordingly, Treg function has been shown to be crucial for maternal-fetal tolerance and implantation. As reproduction is a key point of selective pressure, mammalian pregnancy may represent an evolutionary driver for the development of Treg. Yet beyond the chronological boundaries of mammalian pregnancy, several key physiological and pathological events are being gradually uncovered as involving the immunomodulating functions of Treg cells. These include autoimmunity, age-related inflammation in males and in post-menopausal females, but also oncological and cardiovascular diseases. The latter two sets of diseases collectively compose the main causes of mortality world-wide. Emerging data point to Treg-modulable effects in these diseases, in a departure from the relatively narrower perceived role of Treg as master regulators of autoimmunity. Yet recent evidence also suggests that changes in intestinal microbiota can affect the above pathological conditions. This is likely due to the finding that, whilst the presence and maintenance of intestinal microbiota requires active immune tolerance, mediated by Treg, the existence of microbiota per se profoundly affects the polarization, stability, and balance of pro- and anti-inflammatory T cell populations, including Treg and induced Treg cells. The study of these “novel,” but possibly highly relevant from an ontogenesis perspective, facets of Treg function may hold great potential for our understanding of the mechanisms underlying human disease.
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Affiliation(s)
- Elisa Martini
- Adaptive Immunity Laboratory, Humanitas Clinical and Research Center, Milan, Italy
| | - Silvia Giugliano
- Laboratory of Mucosal Immunology and Microbiota, Humanitas Clinical and Research Center, Milan, Italy.,Department of Biomedical Sciences, Humanitas University, Milan, Italy
| | - Maria Rescigno
- Laboratory of Mucosal Immunology and Microbiota, Humanitas Clinical and Research Center, Milan, Italy.,Department of Biomedical Sciences, Humanitas University, Milan, Italy
| | - Marinos Kallikourdis
- Adaptive Immunity Laboratory, Humanitas Clinical and Research Center, Milan, Italy.,Department of Biomedical Sciences, Humanitas University, Milan, Italy
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20
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Kikuchi K. New function of zebrafish regulatory T cells in organ regeneration. Curr Opin Immunol 2019; 63:7-13. [PMID: 31765917 DOI: 10.1016/j.coi.2019.10.001] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/19/2019] [Revised: 10/22/2019] [Accepted: 10/24/2019] [Indexed: 12/22/2022]
Abstract
Zebrafish can efficiently regenerate complex tissue structures with a highly developed innate and adaptive immune system, which provides a model to investigate the roles of immune cells in tissue repair and regeneration. Two groups recently reported zebrafish mutants deficient in a forkhead box P3 (FOXP3) ortholog, which helped reveal the conserved immunosuppressive function of zebrafish FOXP3 in vivo. Zebrafish FOXP3 defines the development of a subset of T cell lineage with the conserved gene expression profile of mammalian regulatory T cells (Tregs). In damaged organs, zebrafish Tregs rapidly migrate to the injury site, where they promote the proliferation of regeneration precursor cells by producing tissue-specific regenerative factors through a distinct mechanism from the canonical anti-inflammatory pathway. These findings illuminate the potential for using zebrafish as an effective model in Treg research and demonstrate organ-specific roles for Tregs in maintaining proregenerative capacity that could potentially be harnessed for use in diverse regeneration therapies.
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Affiliation(s)
- Kazu Kikuchi
- Developmental and Stem Cell Biology Division, Victor Chang Cardiac Research Institute, Darlinghurst NSW 2010, Australia; St. Vincent's Clinical School, University of New South Wales, Kensington NSW 2052, Australia; Department of Regenerative Medicine and Tissue Engineering, National Cerebral and Cardiovascular Center Research Institute, 6-1 Kishibe-Shimmachi, Suita, Osaka 564-8565, Japan.
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21
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Giallongo C, Tibullo D, Camiolo G, Parrinello NL, Romano A, Puglisi F, Barbato A, Conticello C, Lupo G, Anfuso CD, Lazzarino G, Li Volti G, Palumbo GA, Di Raimondo F. TLR4 signaling drives mesenchymal stromal cells commitment to promote tumor microenvironment transformation in multiple myeloma. Cell Death Dis 2019; 10:704. [PMID: 31541083 PMCID: PMC6754430 DOI: 10.1038/s41419-019-1959-5] [Citation(s) in RCA: 33] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/03/2019] [Revised: 09/04/2019] [Accepted: 09/05/2019] [Indexed: 02/06/2023]
Abstract
Inflammation represents a key feature and hallmark of tumor microenvironment playing a major role in the interaction with mesenchymal stromal cells (MSC) in cancer progression. The aim of the present study was to investigate the crosstalk between MSCs and myeloma cells (MM) in the pro-inflammatory microenvironment promoting immune evasion and tumor growth. MSC were collected from patients with diagnosis of MGUS (n = 10), smoldering myeloma (n = 7), multiple myeloma at diagnosis (n = 16), relapse (n = 5) or refractory (n = 3), and from age-matched healthy controls (HC, n = 10) and cultured with peripheral blood mononucleated cells (PBMC) from healthy volunteer donors. Similarly to MM, we showed that MSC from smoldering multiple myeloma (SMM) patients activated neutrophils and conferred an immunosuppressive and pro-angiogenic phenotype. Furthermore, co-cultures of plasma cells (PC) and HC-MSC suggested that such activation is driven by MM cells through the switching into a pro-inflammatory phenotype mediated by toll-like receptor 4 (TLR4). These results were further confirmed using a zebrafish as an immunocompetent in vivo model, showing the role of MM-MSC in supporting PCs engraftment and Th2 response. Such effect was abolished following inhibition of TLR4 signaling in MM-MSC before co-injection with PC. Moreover, the addition of a TLR4 inhibitor in the co-culture of HC-MSC with MM cells prevented the activation of the pro-tumor activity in PC-educated MSC. In conclusion, our study provides evidence that TLR4 signaling plays a key role in MSC transformation by inducing a pro-tumor phenotype associated with a permissive microenvironment allowing immune escape and tumor growth.
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Affiliation(s)
- Cesarina Giallongo
- Section of Haematology, Department of General Surgery and Medical-Surgical Specialties, University of Catania, Catania, Italy
| | - Daniele Tibullo
- Department of Biomedical and Biotechnological Sciences, University of Catania, Catania, Italy.
- EuroMediterranean Institute of Science and Technology, Palermo, Italy.
| | - Giuseppina Camiolo
- Department of Biomedical and Biotechnological Sciences, University of Catania, Catania, Italy
| | - Nunziatina L Parrinello
- Section of Haematology, Department of General Surgery and Medical-Surgical Specialties, University of Catania, Catania, Italy
| | - Alessandra Romano
- Section of Haematology, Department of General Surgery and Medical-Surgical Specialties, University of Catania, Catania, Italy
| | - Fabrizio Puglisi
- Section of Haematology, Department of General Surgery and Medical-Surgical Specialties, University of Catania, Catania, Italy
| | - Alessandro Barbato
- Section of Haematology, Department of General Surgery and Medical-Surgical Specialties, University of Catania, Catania, Italy
| | - Concetta Conticello
- Section of Haematology, Department of General Surgery and Medical-Surgical Specialties, University of Catania, Catania, Italy
| | - Gabriella Lupo
- Department of Biomedical and Biotechnological Sciences, University of Catania, Catania, Italy
| | | | - Giacomo Lazzarino
- Institute of Biochemistry and Clinical Biochemistry, Catholic University of Rome, Largo F. Vito 1, 00168, Rome, Italy
| | - Giovanni Li Volti
- Department of Biomedical and Biotechnological Sciences, University of Catania, Catania, Italy.
- EuroMediterranean Institute of Science and Technology, Palermo, Italy.
| | - Giuseppe Alberto Palumbo
- Department of Medical, Surgical Sciences and Advanced Technologies "G. F. Ingrassia", University of Catania, Catania, Italy
| | - Francesco Di Raimondo
- Section of Haematology, Department of General Surgery and Medical-Surgical Specialties, University of Catania, Catania, Italy
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22
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Whiting JR, Magalhaes IS, Singkam AR, Robertson S, D'Agostino D, Bradley JE, MacColl ADC. A genetics-based approach confirms immune associations with life history across multiple populations of an aquatic vertebrate (Gasterosteus aculeatus). Mol Ecol 2018; 27:3174-3191. [PMID: 29924437 PMCID: PMC6221044 DOI: 10.1111/mec.14772] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2017] [Revised: 05/10/2018] [Accepted: 05/10/2018] [Indexed: 12/15/2022]
Abstract
Understanding how wild immune variation covaries with other traits can reveal how costs and trade‐offs shape immune evolution in the wild. Divergent life history strategies may increase or alleviate immune costs, helping shape immune variation in a consistent, testable way. Contrasting hypotheses suggest that shorter life histories may alleviate costs by offsetting them against increased mortality, or increase the effect of costs if immune responses are traded off against development or reproduction. We investigated the evolutionary relationship between life history and immune responses within an island radiation of three‐spined stickleback, with discrete populations of varying life histories and parasitism. We sampled two short‐lived, two long‐lived and an anadromous population using qPCR to quantify current immune profile and RAD‐seq data to study the distribution of immune variants within our assay genes and across the genome. Short‐lived populations exhibited significantly increased expression of all assay genes, which was accompanied by a strong association with population‐level variation in local alleles and divergence in a gene that may be involved in complement pathways. In addition, divergence around the eda gene in anadromous fish is likely associated with increased inflammation. A wider analysis of 15 populations across the island revealed that immune genes across the genome show evidence of having diverged alongside life history strategies. Parasitism and reproductive investment were also important sources of variation for expression, highlighting the caution required when assaying immune responses in the wild. These results provide strong, gene‐based support for current hypotheses linking life history and immune variation across multiple populations of a vertebrate model.
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Affiliation(s)
- James R Whiting
- School of Life Sciences, University of Nottingham, University Park, Nottingham, UK.,School of Life Sciences, University of Sussex, Falmer, Brighton, UK
| | - Isabel S Magalhaes
- School of Life Sciences, University of Nottingham, University Park, Nottingham, UK.,Department of Life Sciences, Whitelands College, University of Roehampton, London, UK
| | - Abdul R Singkam
- School of Life Sciences, University of Nottingham, University Park, Nottingham, UK.,Pendidikan Biologi JPMIPA FKIP, University of Bengkulu, Bengkulu, Indonesia
| | - Shaun Robertson
- School of Life Sciences, University of Nottingham, University Park, Nottingham, UK.,Institute of Biodiversity, Animal Health and Comparative Medicine, University of Glasgow, Glasgow, UK
| | - Daniele D'Agostino
- School of Life Sciences, University of Nottingham, University Park, Nottingham, UK
| | - Janette E Bradley
- School of Life Sciences, University of Nottingham, University Park, Nottingham, UK
| | - Andrew D C MacColl
- School of Life Sciences, University of Nottingham, University Park, Nottingham, UK
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23
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Paiola M, Knigge T, Duflot A, Pinto PIS, Farcy E, Monsinjon T. Oestrogen, an evolutionary conserved regulator of T cell differentiation and immune tolerance in jawed vertebrates? DEVELOPMENTAL AND COMPARATIVE IMMUNOLOGY 2018; 84:48-61. [PMID: 29408048 DOI: 10.1016/j.dci.2018.01.013] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/25/2017] [Revised: 01/18/2018] [Accepted: 01/18/2018] [Indexed: 06/07/2023]
Abstract
In teleosts, as in mammals, the immune system is tightly regulated by sexual steroid hormones, such as oestrogens. We investigated the effects of 17β-oestradiol on the expression of several genes related to T cell development and resulting T cell subpopulations in sea bass, Dicentrarchus labrax, for a primary lymphoid organ, the thymus, and two secondary lymphoid organs, the head-kidney and the spleen. In parallel, the oxidative burst capacity was assessed in leucocytes of the secondary lymphoid organs. Apoptosis- and proliferation-related genes, indicative of B and T cell clonal selection and lymphoid progenitor activity, were not affected by elevated oestrogen-levels. Sex-related oestrogen-responsiveness in T cell and antigen-presenting cell markers was observed, the expression of which was differentially induced by oestrogen-exposure in the three lymphoid organs. Remarkably, in the spleen, oestrogen increased regulatory T cell-related gene expression was associated with a decrease in oxidative burst capacity. To the best of our knowledge, this study indicates for the first time that physiological levels of oestrogen are likely to promote immune tolerance by modulating thymic function (i.e., T cell development and output) and peripheral T cells in teleosts, similar to previously reported oestrogenic effects in mammals.
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Affiliation(s)
- Matthieu Paiola
- Normandy University, FR CNRS 3730 SCALE, UMR-I 02 INERIS-URCA-ULH Environmental Stress and Aquatic Biomonitoring (SEBIO), University of Le Havre Normandy, 76600 Le Havre, France
| | - Thomas Knigge
- Normandy University, FR CNRS 3730 SCALE, UMR-I 02 INERIS-URCA-ULH Environmental Stress and Aquatic Biomonitoring (SEBIO), University of Le Havre Normandy, 76600 Le Havre, France
| | - Aurélie Duflot
- Normandy University, FR CNRS 3730 SCALE, UMR-I 02 INERIS-URCA-ULH Environmental Stress and Aquatic Biomonitoring (SEBIO), University of Le Havre Normandy, 76600 Le Havre, France
| | - Patricia I S Pinto
- Laboratory of Comparative Endocrinology and Integrative Biology, CCMAR - Centre of Marine Sciences, University of Algarve, 8005-139 Faro, Portugal
| | - Emilie Farcy
- Montpellier University, UMR MARBEC (UM, CNRS, Ifremer, IRD), 34095 Montpellier, France
| | - Tiphaine Monsinjon
- Normandy University, FR CNRS 3730 SCALE, UMR-I 02 INERIS-URCA-ULH Environmental Stress and Aquatic Biomonitoring (SEBIO), University of Le Havre Normandy, 76600 Le Havre, France.
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24
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Hui SP, Sheng DZ, Sugimoto K, Gonzalez-Rajal A, Nakagawa S, Hesselson D, Kikuchi K. Zebrafish Regulatory T Cells Mediate Organ-Specific Regenerative Programs. Dev Cell 2017; 43:659-672.e5. [DOI: 10.1016/j.devcel.2017.11.010] [Citation(s) in RCA: 125] [Impact Index Per Article: 17.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2017] [Revised: 10/20/2017] [Accepted: 11/13/2017] [Indexed: 12/12/2022]
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25
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Trujillo-Ochoa JL, Corral-Jara KF, Charles-Niño CL, Panduro A, Fierro NA. Conjugated Bilirubin Upregulates TIM-3 Expression on CD4 +CD25 + T Cells: Anti-Inflammatory Implications for Hepatitis A Virus Infection. Viral Immunol 2017; 31:223-232. [PMID: 29099687 DOI: 10.1089/vim.2017.0103] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023] Open
Abstract
Bilirubin (BR), a metabolite with increased concentrations in plasma during viral hepatitis, has been recognized as a potential immune-modulator. We recently reported that conjugated BR (CB) augments regulatory T cell (Treg) suppressor activity during acute hepatitis A virus (HAV) infection. However, the mechanisms related to the effects of CB on Treg function in the course of hepatotropic viral diseases have not been elucidated. T cell immunoglobulin domain and mucin domain 3 (TIM-3), via its interactions with galectin-9 (GAL-9), is a receptor associated with enhanced Treg function. Thus, TIM-3 expression may be related to the crosstalk between CB and Tregs during HAV infection. Herein, in vitro treatment with high concentrations of CB upregulated TIM-3 expression on Tregs from healthy donors. CB treatment in vitro did not induce de novo Treg generation, and in vitro stimulation with TGF-β, which shows increased secretion during HAV infection, resulted in a trend toward increased TIM-3 expression on Tregs and CD4+ T lymphocytes (TLs) from healthy donors. Interestingly, an upregulation of TIM-3 expression on CD4+CD25+ T cells and an increase in the proportion of CD4+ TLs expressing GAL-9 were found in HAV-infected patients with abnormal CB values relative to healthy controls. In addition, a statistically significantly reduction in IL-17F production was observed after treatment of CD4+ TLs from healthy donors with high doses of CB in vitro. In summary, our results suggest that CB might regulate Treg activity via a TIM-3-mediated mechanism, ultimately leading to an anti-inflammatory hepatoprotective effect.
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Affiliation(s)
- Jorge L Trujillo-Ochoa
- 1 Unidad de Inmunovirología, Servicio de Biología Molecular en Medicina, Hospital Civil de Guadalajara "Fray Antonio Alcalde," Guadalajara, México .,2 Departamento de Fisiología, Centro Universitario de Ciencias de la Salud, Universidad de Guadalajara , Guadalajara, México
| | - Karla F Corral-Jara
- 1 Unidad de Inmunovirología, Servicio de Biología Molecular en Medicina, Hospital Civil de Guadalajara "Fray Antonio Alcalde," Guadalajara, México .,3 Departamento de Biología Molecular, Centro Universitario de Ciencias de la Salud, Universidad de Guadalajara , Guadalajara, México
| | - Claudia L Charles-Niño
- 4 Departamento de Microbiología, Centro Universitario de Ciencias de la Salud, Universidad de Guadalajara , Guadalajara, México
| | - Arturo Panduro
- 3 Departamento de Biología Molecular, Centro Universitario de Ciencias de la Salud, Universidad de Guadalajara , Guadalajara, México .,5 Servicio de Biología Molecular, Hospital Civil of Guadalajara "Fray Antonio Alcalde," Guadalajara, México
| | - Nora A Fierro
- 1 Unidad de Inmunovirología, Servicio de Biología Molecular en Medicina, Hospital Civil de Guadalajara "Fray Antonio Alcalde," Guadalajara, México .,2 Departamento de Fisiología, Centro Universitario de Ciencias de la Salud, Universidad de Guadalajara , Guadalajara, México
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26
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Aas IB, Austbø L, Falk K, Hordvik I, Koppang EO. The interbranchial lymphoid tissue likely contributes to immune tolerance and defense in the gills of Atlantic salmon. DEVELOPMENTAL AND COMPARATIVE IMMUNOLOGY 2017; 76:247-254. [PMID: 28655579 DOI: 10.1016/j.dci.2017.06.013] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/12/2017] [Revised: 06/22/2017] [Accepted: 06/23/2017] [Indexed: 06/07/2023]
Abstract
Central and peripheral immune tolerance is together with defense mechanisms a hallmark of all lymphoid tissues. In fish, such tolerance is especially important in the gills, where the intimate contact between gill tissue and the aqueous environment would otherwise lead to continual immune stimulation by innocuous antigens. In this paper, we focus on the expression of genes associated with immune regulation by the interbranchial lymphoid tissue (ILT) in an attempt to understand its role in maintaining immune homeostasis. Both healthy and virus-challenged fish were investigated, and transcript levels were examined from laser-dissected ILT, gills, head kidney and intestine. Lack of Aire expression in the ILT excluded its involvement in central tolerance and any possibility of its being an analogue to the thymus. On the other hand, the ILT appears to participate in peripheral immune tolerance due to its relatively high expression of forkhead box protein 3 (Foxp3) and other genes associated with regulatory T cells (Tregs) and immune suppression.
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Affiliation(s)
- Ida Bergva Aas
- Department of Basic Sciences and Aquatic Medicine, Faculty of Veterinary Medicine, Norwegian University of Life Sciences, 0454 Oslo, Norway
| | - Lars Austbø
- Department of Basic Sciences and Aquatic Medicine, Faculty of Veterinary Medicine, Norwegian University of Life Sciences, 0454 Oslo, Norway
| | - Knut Falk
- Norwegian Veterinary Institute, 0454 Oslo, Norway
| | - Ivar Hordvik
- Department of Biology, High Technology Centre, University of Bergen, 5006 Bergen, Norway
| | - Erling Olaf Koppang
- Department of Basic Sciences and Aquatic Medicine, Faculty of Veterinary Medicine, Norwegian University of Life Sciences, 0454 Oslo, Norway.
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27
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Sugimoto K, Hui SP, Sheng DZ, Nakayama M, Kikuchi K. Zebrafish FOXP3 is required for the maintenance of immune tolerance. DEVELOPMENTAL AND COMPARATIVE IMMUNOLOGY 2017; 73:156-162. [PMID: 28365195 DOI: 10.1016/j.dci.2017.03.023] [Citation(s) in RCA: 34] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/30/2017] [Revised: 03/14/2017] [Indexed: 06/07/2023]
Abstract
Regulatory T (Treg) cells play a central role in the suppression of excessive immune responses against both self and non-self antigens. The development and function of Treg cells are controlled by a master regulatory gene encoding the forkhead box P3 (FOXP3) protein in mammals. However, little is known regarding the functions of Treg cells and FOXP3 in non-mammalian vertebrates. In this study, we generated mutant zebrafish lacking a functional FOXP3 ortholog, and demonstrated a significant reduction in survival accompanied by a marked increase in inflammatory gene expression, mononuclear cell infiltration, and T cell proliferation in peripheral tissues. Our findings indicate that the zebrafish FOXP3 protein may have an evolutionally conserved role in the control of immune tolerance, illuminating the potential of the zebrafish as a novel model for investigating the development and functions of Treg cells.
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Affiliation(s)
- Kotaro Sugimoto
- Developmental and Stem Cell Biology Division, Victor Chang Cardiac Research Institute, Darlinghurst, NSW 2010, Australia
| | - Subhra P Hui
- Developmental and Stem Cell Biology Division, Victor Chang Cardiac Research Institute, Darlinghurst, NSW 2010, Australia
| | - Delicia Z Sheng
- Developmental and Stem Cell Biology Division, Victor Chang Cardiac Research Institute, Darlinghurst, NSW 2010, Australia
| | - Maki Nakayama
- Developmental and Stem Cell Biology Division, Victor Chang Cardiac Research Institute, Darlinghurst, NSW 2010, Australia
| | - Kazu Kikuchi
- Developmental and Stem Cell Biology Division, Victor Chang Cardiac Research Institute, Darlinghurst, NSW 2010, Australia; St. Vincent's Clinical School, University of New South Wales, Kensington, NSW 2052, Australia.
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28
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Sehrawat S, Rouse BT. Interplay of Regulatory T Cell and Th17 Cells during Infectious Diseases in Humans and Animals. Front Immunol 2017; 8:341. [PMID: 28421070 PMCID: PMC5377923 DOI: 10.3389/fimmu.2017.00341] [Citation(s) in RCA: 50] [Impact Index Per Article: 7.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/03/2016] [Accepted: 03/09/2017] [Indexed: 12/14/2022] Open
Abstract
It is now clear that the outcome of an inflammatory process caused by infections depends on the balance of responses by several components of the immune system. Of particular relevance is the interplay between regulatory T cells (Tregs) and CD4+ T cells that produce IL-17 (Th17 cells) during immunoinflammatory events. In addition to discussing studies done in mice to highlight some unresolved issues in the biology of these cells, we emphasize the need to include outbred animals and humans in analyses. Achieving a balance between Treg and Th17 cells responses represents a powerful approach to control events during immunity and immunopathology.
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Affiliation(s)
- Sharvan Sehrawat
- Indian Institute of Science Education and Research Mohali, Mohali, Punjab, India
| | - Barry T Rouse
- Department of Biomedical and Diagnostic Sciences, College of Veterinary Medicine, The University of Tennessee, Knoxville, TN, USA
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29
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Bailey C, Segner H, Casanova-Nakayama A, Wahli T. Who needs the hotspot? The effect of temperature on the fish host immune response to Tetracapsuloides bryosalmonae the causative agent of proliferative kidney disease. FISH & SHELLFISH IMMUNOLOGY 2017; 63:424-437. [PMID: 28238860 DOI: 10.1016/j.fsi.2017.02.039] [Citation(s) in RCA: 34] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/24/2016] [Revised: 02/21/2017] [Accepted: 02/22/2017] [Indexed: 06/06/2023]
Abstract
Proliferative kidney disease (PKD) of salmonids, caused by Tetracapsuloides bryosalmonae may lead to high mortalities at elevated water temperatures. However, it has not yet been investigated how temperature affects the fish host immune response to T. bryosalmonae. We exposed YOY (young of the year) rainbow trout (Oncorhynchus mykiss) to T. bryosalmonae at two temperatures (12 °C and 15 °C) that reflect a realistic environmental scenario and could occur in the natural habitat of salmonids. We followed the development of the parasite, host pathology and immune response over seven weeks. We evaluated the composition and kinetics of the leukocytes and their major subgroups in the anterior and posterior kidney. We measured immune gene expression profiles associated with cell lineages and functional pathways in the anterior and posterior kidney. At 12 °C, both infection prevalence and pathogen load were markedly lower. While the immune response was characterized by subtle changes, mainly an increased amount of lymphocytes present in the kidney, elevated expression of Th1-like signature cytokines and strong upregulation of the natural killer cell enhancement factor, NKEF at week 6 P.E. At 15 °C the infection prevalence and pathogen burden were ominously greater. While the immune response as the disease progressed was associated with a Th2-like switch at week 6 P.E and a prominent B cell response, evidenced at the tissue, cell and transcript level. Our results highlight how a subtle, environmentally relevant difference in temperature resulted in diverse outcomes in terms of the immune response strategy, altering the type of interaction between a host and a parasite.
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Affiliation(s)
- Christyn Bailey
- University of Berne, Vetsuisse Faculty, Centre for Fish and Wildlife Health, Länggassstrasse 122, CH-3012 Berne, Switzerland
| | - Helmut Segner
- University of Berne, Vetsuisse Faculty, Centre for Fish and Wildlife Health, Länggassstrasse 122, CH-3012 Berne, Switzerland
| | - Ayako Casanova-Nakayama
- University of Berne, Vetsuisse Faculty, Centre for Fish and Wildlife Health, Länggassstrasse 122, CH-3012 Berne, Switzerland
| | - Thomas Wahli
- University of Berne, Vetsuisse Faculty, Centre for Fish and Wildlife Health, Länggassstrasse 122, CH-3012 Berne, Switzerland.
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30
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Brugman S. The zebrafish as a model to study intestinal inflammation. DEVELOPMENTAL AND COMPARATIVE IMMUNOLOGY 2016; 64:82-92. [PMID: 26902932 DOI: 10.1016/j.dci.2016.02.020] [Citation(s) in RCA: 177] [Impact Index Per Article: 22.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/23/2015] [Revised: 02/16/2016] [Accepted: 02/17/2016] [Indexed: 06/05/2023]
Abstract
Starting out as a model for developmental biology, during the last decade, zebrafish have also gained the attention of the immunologists and oncologists. Due to its small size, high fecundity and full annotation of its genome, the zebrafish is an attractive model system. The fact that fish are transparent early in life combined with the growing list of immune cell reporter fish, enables in vivo tracking of immune responses in a complete organism. Since zebrafish develop ex utero from a fertilized egg, immune development can be monitored from the start of life. Given that several gut functions and immune genes are conserved between zebrafish and mammals, the zebrafish is an interesting model organism to investigate fundamental processes underlying intestinal inflammation and injury. This review will first provide some background on zebrafish intestinal development, bacterial colonization and immunity, showing the similarities and differences compared to mammals. This will be followed by an overview of the existing models for intestinal disease, and concluded by future perspectives in light of the newest technologies and insights.
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Affiliation(s)
- Sylvia Brugman
- Animal Sciences Group, Cell Biology and Immunology, Wageningen University, De Elst 1, room Ee1253, 6708 WD Wageningen, Netherlands.
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31
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Alternative haplotypes of antigen processing genes in zebrafish diverged early in vertebrate evolution. Proc Natl Acad Sci U S A 2016; 113:E5014-23. [PMID: 27493218 DOI: 10.1073/pnas.1607602113] [Citation(s) in RCA: 35] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022] Open
Abstract
Antigen processing and presentation genes found within the MHC are among the most highly polymorphic genes of vertebrate genomes, providing populations with diverse immune responses to a wide array of pathogens. Here, we describe transcriptome, exome, and whole-genome sequencing of clonal zebrafish, uncovering the most extensive diversity within the antigen processing and presentation genes of any species yet examined. Our CG2 clonal zebrafish assembly provides genomic context within a remarkably divergent haplotype of the core MHC region on chromosome 19 for six expressed genes not found in the zebrafish reference genome: mhc1uga, proteasome-β 9b (psmb9b), psmb8f, and previously unknown genes psmb13b, tap2d, and tap2e We identify ancient lineages for Psmb13 within a proteasome branch previously thought to be monomorphic and provide evidence of substantial lineage diversity within each of three major trifurcations of catalytic-type proteasome subunits in vertebrates: Psmb5/Psmb8/Psmb11, Psmb6/Psmb9/Psmb12, and Psmb7/Psmb10/Psmb13. Strikingly, nearby tap2 and MHC class I genes also retain ancient sequence lineages, indicating that alternative lineages may have been preserved throughout the entire MHC pathway since early diversification of the adaptive immune system ∼500 Mya. Furthermore, polymorphisms within the three MHC pathway steps (antigen cleavage, transport, and presentation) are each predicted to alter peptide specificity. Lastly, comparative analysis shows that antigen processing gene diversity is far more extensive than previously realized (with ancient coelacanth psmb8 lineages, shark psmb13, and tap2t and psmb10 outside the teleost MHC), implying distinct immune functions and conserved roles in shaping MHC pathway evolution throughout vertebrates.
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32
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Zou J, Secombes CJ. The Function of Fish Cytokines. BIOLOGY 2016; 5:biology5020023. [PMID: 27231948 PMCID: PMC4929537 DOI: 10.3390/biology5020023] [Citation(s) in RCA: 292] [Impact Index Per Article: 36.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/29/2016] [Revised: 04/28/2016] [Accepted: 05/17/2016] [Indexed: 12/14/2022]
Abstract
What is known about the biological activity of fish cytokines is reviewed. Most of the functional studies performed to date have been in teleost fish, and have focused on the induced effects of cytokine recombinant proteins, or have used loss- and gain-of-function experiments in zebrafish. Such studies begin to tell us about the role of these molecules in the regulation of fish immune responses and whether they are similar or divergent to the well-characterised functions of mammalian cytokines. This knowledge will aid our ability to determine and modulate the pathways leading to protective immunity, to improve fish health in aquaculture.
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Affiliation(s)
- Jun Zou
- Scottish Fish Immunology Research Centre, University of Aberdeen, Zoology Building, Tillydrone Avenue, Aberdeen AB24 2TZ, UK.
| | - Christopher J Secombes
- Scottish Fish Immunology Research Centre, University of Aberdeen, Zoology Building, Tillydrone Avenue, Aberdeen AB24 2TZ, UK.
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33
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Zhang B, Shimada Y, Hirota T, Ariyoshi M, Kuroyanagi J, Nishimura Y, Tanaka T. Novel immunologic tolerance of human cancer cell xenotransplants in zebrafish. Transl Res 2016; 170:89-98.e3. [PMID: 26746804 DOI: 10.1016/j.trsl.2015.12.007] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/27/2015] [Revised: 11/22/2015] [Accepted: 12/14/2015] [Indexed: 10/22/2022]
Abstract
Immune deficiency or suppression in host animals is an essential precondition for the success of cancer cell xenotransplantation because the host immune system has a tendency to reject implanted cells. However, in such animals, the typical tumor microenvironment seen in cancer subjects does not form because of the lack of normal immunity. Here, we developed a novel zebrafish (Danio rerio) model based on 2 rounds of cancer cell xenotransplantation that achieved cancer-specific immunologic tolerance without immunosuppression. We irradiated human cancer cells (PC-3, K562 and HepG2) to abolish their proliferative abilities and implanted them into zebrafish larvae. These cells survived for 2 weeks in the developing host. Three months after the first implantation, the zebrafish were implanted with the same, but nonirradiated, cell lines. These cancer cells proliferated and exhibited metastasis without immune suppression. To reveal the transcriptional mechanism of this immune tolerance, we conducted dual RNA-seq of the tumor with its surrounding tissues and identified several regulatory zebrafish genes that are involved in immunity; the expression of plasminogen activator, urokinase, and forkhead box P3 was altered in response to immunologic tolerance. In conclusion, this xenograft method has potential as a platform for zebrafish-based anticancer drug discovery because it can closely mimic human clinical cancers without inducing immune suppression.
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Affiliation(s)
- Beibei Zhang
- Department of Molecular and Cellular Pharmacology, Mie University Graduate School of Medicine, Mie, Japan; Department of Pharmacogenomics and Pharmacoinformatics, Mie University Graduate School of Medicine, Mie, Japan
| | - Yasuhito Shimada
- Department of Molecular and Cellular Pharmacology, Mie University Graduate School of Medicine, Mie, Japan; Department of Pharmacogenomics and Pharmacoinformatics, Mie University Graduate School of Medicine, Mie, Japan; Department of Systems Pharmacology, Mie University Graduate School of Medicine, Mie, Japan; Mie University Medical Zebrafish Research Center, Mie, Japan; Department of Bioinformatics, Mie University Life Science Research Center, Mie, Japan; Department of Omics Medicine, Mie University Industrial Technology Innovation Institute, Mie, Japan
| | - Tomokazu Hirota
- Department of Molecular and Cellular Pharmacology, Mie University Graduate School of Medicine, Mie, Japan; Department of Pharmacogenomics and Pharmacoinformatics, Mie University Graduate School of Medicine, Mie, Japan
| | - Michiko Ariyoshi
- Department of Molecular and Cellular Pharmacology, Mie University Graduate School of Medicine, Mie, Japan; Department of Pharmacogenomics and Pharmacoinformatics, Mie University Graduate School of Medicine, Mie, Japan
| | - Junya Kuroyanagi
- Department of Molecular and Cellular Pharmacology, Mie University Graduate School of Medicine, Mie, Japan; Department of Pharmacogenomics and Pharmacoinformatics, Mie University Graduate School of Medicine, Mie, Japan
| | - Yuhei Nishimura
- Department of Molecular and Cellular Pharmacology, Mie University Graduate School of Medicine, Mie, Japan; Department of Pharmacogenomics and Pharmacoinformatics, Mie University Graduate School of Medicine, Mie, Japan; Department of Systems Pharmacology, Mie University Graduate School of Medicine, Mie, Japan; Mie University Medical Zebrafish Research Center, Mie, Japan; Department of Bioinformatics, Mie University Life Science Research Center, Mie, Japan; Department of Omics Medicine, Mie University Industrial Technology Innovation Institute, Mie, Japan
| | - Toshio Tanaka
- Department of Molecular and Cellular Pharmacology, Mie University Graduate School of Medicine, Mie, Japan; Department of Pharmacogenomics and Pharmacoinformatics, Mie University Graduate School of Medicine, Mie, Japan; Department of Systems Pharmacology, Mie University Graduate School of Medicine, Mie, Japan; Mie University Medical Zebrafish Research Center, Mie, Japan; Department of Bioinformatics, Mie University Life Science Research Center, Mie, Japan; Department of Omics Medicine, Mie University Industrial Technology Innovation Institute, Mie, Japan.
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34
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Covacu R, Philip H, Jaronen M, Almeida J, Kenison JE, Darko S, Chao CC, Yaari G, Louzoun Y, Carmel L, Douek DC, Efroni S, Quintana FJ. System-wide Analysis of the T Cell Response. Cell Rep 2016; 14:2733-44. [PMID: 26972015 PMCID: PMC4805488 DOI: 10.1016/j.celrep.2016.02.056] [Citation(s) in RCA: 38] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/18/2015] [Revised: 01/12/2016] [Accepted: 02/02/2016] [Indexed: 01/01/2023] Open
Abstract
The T cell receptor (TCR) controls the cellular adaptive immune response to antigens, but our understanding of TCR repertoire diversity and response to challenge is still incomplete. For example, TCR clones shared by different individuals with minimal alteration to germline gene sequences (public clones) are detectable in all vertebrates, but their significance is unknown. Although small in size, the zebrafish TCR repertoire is controlled by processes similar to those operating in mammals. Thus, we studied the zebrafish TCR repertoire and its response to stimulation with self and foreign antigens. We found that cross-reactive public TCRs dominate the T cell response, endowing a limited TCR repertoire with the ability to cope with diverse antigenic challenges. These features of vertebrate public TCRs might provide a mechanism for the rapid generation of protective T cell immunity, allowing a short temporal window for the development of more specific private T cell responses.
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Affiliation(s)
- Ruxandra Covacu
- Ann Romney Center for Neurologic Diseases, Brigham and Women's Hospital, Harvard Medical School, 77 Avenue Louis Pasteur, Boston, MA 02115, USA
| | - Hagit Philip
- The Mina & Everard Goodman Faculty of Life Sciences, Bar-Ilan University, Ramat Gan 52900, Israel
| | - Merja Jaronen
- Ann Romney Center for Neurologic Diseases, Brigham and Women's Hospital, Harvard Medical School, 77 Avenue Louis Pasteur, Boston, MA 02115, USA
| | - Jorge Almeida
- Human Immunology Section, Vaccine Research Center, National Institute of Allergy and Infectious Diseases, US National Institutes of Health, Bethesda, MD 20892, USA
| | - Jessica E Kenison
- Ann Romney Center for Neurologic Diseases, Brigham and Women's Hospital, Harvard Medical School, 77 Avenue Louis Pasteur, Boston, MA 02115, USA
| | - Samuel Darko
- Human Immunology Section, Vaccine Research Center, National Institute of Allergy and Infectious Diseases, US National Institutes of Health, Bethesda, MD 20892, USA
| | - Chun-Cheih Chao
- Ann Romney Center for Neurologic Diseases, Brigham and Women's Hospital, Harvard Medical School, 77 Avenue Louis Pasteur, Boston, MA 02115, USA
| | - Gur Yaari
- Bioengineering Program, Faculty of Engineering, Bar-Ilan University, Ramat Gan 52900, Israel
| | - Yoram Louzoun
- Department of Mathematics, Bar-Ilan University, Ramat Gan 52900, Israel; Gonda Brain Research Center, Bar-Ilan University, Ramat Gan 52900, Israel
| | - Liran Carmel
- Department of Genetics, The Alexander Silberman Institute of Life Sciences, Faculty of Science, The Hebrew University of Jerusalem, Edmond J. Safra Campus, Givat Ram, Jerusalem 91904, Israel
| | - Daniel C Douek
- Human Immunology Section, Vaccine Research Center, National Institute of Allergy and Infectious Diseases, US National Institutes of Health, Bethesda, MD 20892, USA.
| | - Sol Efroni
- The Mina & Everard Goodman Faculty of Life Sciences, Bar-Ilan University, Ramat Gan 52900, Israel.
| | - Francisco J Quintana
- Ann Romney Center for Neurologic Diseases, Brigham and Women's Hospital, Harvard Medical School, 77 Avenue Louis Pasteur, Boston, MA 02115, USA; Broad Institute of MIT and Harvard, Cambridge, MA 02142, USA.
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Denyer MP, Pinheiro DY, Garden OA, Shepherd AJ. Missed, Not Missing: Phylogenomic Evidence for the Existence of Avian FoxP3. PLoS One 2016; 11:e0150988. [PMID: 26938477 PMCID: PMC4777427 DOI: 10.1371/journal.pone.0150988] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/07/2015] [Accepted: 02/21/2016] [Indexed: 01/04/2023] Open
Abstract
The Forkhead box transcription factor FoxP3 is pivotal to the development and function of regulatory T cells (Tregs), which make a major contribution to peripheral tolerance. FoxP3 is believed to perform a regulatory role in all the vertebrate species in which it has been detected. The prevailing view is that FoxP3 is absent in birds and that avian Tregs rely on alternative developmental and suppressive pathways. Prompted by the automated annotation of foxp3 in the ground tit (Parus humilis) genome, we have questioned this assumption. Our analysis of all available avian genomes has revealed that the foxp3 locus is missing, incomplete or of poor quality in the relevant genomic assemblies for nearly all avian species. Nevertheless, in two species, the peregrine falcon (Falco peregrinus) and the saker falcon (F. cherrug), there is compelling evidence for the existence of exons showing synteny with foxp3 in the ground tit. A broader phylogenomic analysis has shown that FoxP3 sequences from these three species are similar to crocodilian sequences, the closest living relatives of birds. In both birds and crocodilians, we have also identified a highly proline-enriched region at the N terminus of FoxP3, a region previously identified only in mammals.
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Affiliation(s)
- Michael P. Denyer
- Department of Clinical Sciences and Services, The Royal Veterinary College, London, United Kingdom
- Institute of Structural and Molecular Biology and Department of Biological Sciences, Birkbeck, University of London, London, United Kingdom
| | - Dammy Y. Pinheiro
- Department of Clinical Sciences and Services, The Royal Veterinary College, London, United Kingdom
| | - Oliver A. Garden
- Department of Clinical Sciences and Services, The Royal Veterinary College, London, United Kingdom
- * E-mail: (OAG); (AJS)
| | - Adrian J. Shepherd
- Institute of Structural and Molecular Biology and Department of Biological Sciences, Birkbeck, University of London, London, United Kingdom
- * E-mail: (OAG); (AJS)
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36
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Protective and pro-inflammatory roles of intestinal bacteria. ACTA ACUST UNITED AC 2016; 23:67-80. [PMID: 26947707 DOI: 10.1016/j.pathophys.2016.02.002] [Citation(s) in RCA: 52] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2015] [Revised: 02/11/2016] [Accepted: 02/12/2016] [Indexed: 02/06/2023]
Abstract
The intestinal mucosal surface in all vertebrates is exposed to enormous numbers of microorganisms that include bacteria, archaea, fungi and viruses. Coexistence of the host with the gut microbiota represents an active and mutually beneficial relationship that helps to shape the mucosal and systemic immune systems of both mammals and teleosts (ray-finned fish). Due to the potential for enteric microorganisms to invade intestinal tissue and induce local and/or systemic inflammation, the mucosal immune system has developed a number of protective mechanisms that allow the host to mount an appropriate immune response to invading bacteria, while limiting bystander tissue injury associated with these immune responses. Failure to properly regulate mucosal immunity is thought to be responsible for the development of chronic intestinal inflammation. The objective of this review is to present our current understanding of the role that intestinal bacteria play in vertebrate health and disease. While our primary focus will be humans and mice, we also present the new and exciting comparative studies being performed in zebrafish to model host-microbe interactions.
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Yamaguchi T, Takizawa F, Fischer U, Dijkstra JM. Along the Axis between Type 1 and Type 2 Immunity; Principles Conserved in Evolution from Fish to Mammals. BIOLOGY 2015; 4:814-59. [PMID: 26593954 PMCID: PMC4690019 DOI: 10.3390/biology4040814] [Citation(s) in RCA: 40] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/08/2015] [Revised: 10/10/2015] [Accepted: 10/19/2015] [Indexed: 02/07/2023]
Abstract
A phenomenon already discovered more than 25 years ago is the possibility of naïve helper T cells to polarize into TH1 or TH2 populations. In a simplified model, these polarizations occur at opposite ends of an "immune 1-2 axis" (i1-i2 axis) of possible conditions. Additional polarizations of helper/regulatory T cells were discovered later, such as for example TH17 and Treg phenotypes; although these polarizations are not selected by the axis-end conditions, they are affected by i1-i2 axis factors, and may retain more potential for change than the relatively stable TH1 and TH2 phenotypes. I1-i2 axis conditions are also relevant for polarizations of other types of leukocytes, such as for example macrophages. Tissue milieus with "type 1 immunity" ("i1") are biased towards cell-mediated cytotoxicity, while the term "type 2 immunity" ("i2") is used for a variety of conditions which have in common that they inhibit type 1 immunity. The immune milieus of some tissues, like the gills in fish and the uterus in pregnant mammals, probably are skewed towards type 2 immunity. An i2-skewed milieu is also created by many tumors, which allows them to escape eradication by type 1 immunity. In this review we compare a number of i1-i2 axis factors between fish and mammals, and conclude that several principles of the i1-i2 axis system seem to be ancient and shared between all classes of jawed vertebrates. Furthermore, the present study is the first to identify a canonical TH2 cytokine locus in a bony fish, namely spotted gar, in the sense that it includes RAD50 and bona fide genes of both IL-4/13 and IL-3/ IL-5/GM-CSF families.
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Affiliation(s)
- Takuya Yamaguchi
- Laboratory of Fish Immunology, Institute of Infectology, Friedrich-Loeffler-Institut, Südufer 10, Greifswald-Insel Riems 17493, Germany.
| | - Fumio Takizawa
- Department of Pathobiology, School of Veterinary Medicine, University of Pennsylvania, Philadelphia, PA 19104, USA.
| | - Uwe Fischer
- Laboratory of Fish Immunology, Institute of Infectology, Friedrich-Loeffler-Institut, Südufer 10, Greifswald-Insel Riems 17493, Germany.
| | - Johannes M Dijkstra
- Institute for Comprehensive Medical Science, Fujita Health University, Dengakugakubo 1-98, Toyoake, Aichi 470-1192, Japan.
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38
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Jia C, Zhou Y, Huang X, Peng X, Liu L, Zhou L, Jin L, Shi H, Wei J, Wang D. The cellular protein expression of Foxp3 in lymphoid and non-lymphoid organs of Nile tilapia. FISH & SHELLFISH IMMUNOLOGY 2015; 45:300-306. [PMID: 25804488 DOI: 10.1016/j.fsi.2015.03.021] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/04/2015] [Revised: 03/12/2015] [Accepted: 03/13/2015] [Indexed: 06/04/2023]
Abstract
In the present study, an antibody highly specific to the Nile tilapia (Oreochromis niloticus) Foxp3 was produced and characterized. Immunohistochemistry analysis indicates that Foxp3 was expressed in peripheral blood mononuclear cells (PBMC) and certain packed lymphocytes in particular, what's more, the percentage of Foxp3(+) cells among PBMC was 5.7 ± 2.0% (n = 5) in healthy adults and could be significantly up-regulated after phytohemagglutinin (50 μg/ml) stimulation in vitro at 6, 12 and 24 h, respectively. In the lymphoid tissues, such as the thymus, spleen and head kidney, Foxp3 expression was observed mainly in lymphocyte-like cells. Surprisingly, in the non-lymphoid organ stomach, Foxp3 was detected in epithelial-like cells within the mucosa. Our study demonstrates for the first time that Foxp3 protein expression occurs not only in hematopoietic cells of lymphoid organ systems but also non-hematopoietic cells of non-lymphoid organ in lower vertebrates such as the fish tilapia. The conserved expression pattern of Foxp3 at the protein and cellular levels implies that it might have conserved functions from fish to mammals.
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Affiliation(s)
- Cunxin Jia
- Key Laboratory of Freshwater Fish Reproduction and Development, Ministry of Education, School of Life Science, Southwest University, 400715 Chongqing, China
| | - Yujie Zhou
- Key Laboratory of Freshwater Fish Reproduction and Development, Ministry of Education, School of Life Science, Southwest University, 400715 Chongqing, China
| | - Xiaohuan Huang
- Key Laboratory of Freshwater Fish Reproduction and Development, Ministry of Education, School of Life Science, Southwest University, 400715 Chongqing, China
| | - Xi Peng
- College of Animal Science & Veterinary Medicine, Sichuan Agricultural University, 625014 Sichuan, China
| | - Linyan Liu
- Key Laboratory of Freshwater Fish Reproduction and Development, Ministry of Education, School of Life Science, Southwest University, 400715 Chongqing, China
| | - Linyan Zhou
- Key Laboratory of Freshwater Fish Reproduction and Development, Ministry of Education, School of Life Science, Southwest University, 400715 Chongqing, China
| | - Li Jin
- Key Laboratory of Freshwater Fish Reproduction and Development, Ministry of Education, School of Life Science, Southwest University, 400715 Chongqing, China
| | - Hongjuan Shi
- Key Laboratory of Freshwater Fish Reproduction and Development, Ministry of Education, School of Life Science, Southwest University, 400715 Chongqing, China
| | - Jing Wei
- Key Laboratory of Freshwater Fish Reproduction and Development, Ministry of Education, School of Life Science, Southwest University, 400715 Chongqing, China.
| | - Deshou Wang
- Key Laboratory of Freshwater Fish Reproduction and Development, Ministry of Education, School of Life Science, Southwest University, 400715 Chongqing, China
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39
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Cao M, Theus SA, Straub KD, Figueroa JA, Mirandola L, Chiriva-Internati M, Hermonat PL. AAV2/8-humanFOXP3 gene therapy shows robust anti-atherosclerosis efficacy in LDLR-KO mice on high cholesterol diet. J Transl Med 2015; 13:235. [PMID: 26187646 PMCID: PMC4506442 DOI: 10.1186/s12967-015-0597-7] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/12/2015] [Accepted: 07/07/2015] [Indexed: 11/10/2022] Open
Abstract
Inflammation is a key etiologic component in atherogenesis. Previously we demonstrated that adeno-associated virus (AAV) 2/8 gene delivery of Netrin1 inhibited atherosclerosis in the low density lipoprotein receptor knockout mice on high-cholesterol diet (LDLR-KO/HCD). One important finding from this study was that FOXP3 was strongly up-regulated in these Netrin1-treated animals, as FOXP3 is an anti-inflammatory gene, being the master transcription factor of regulatory T cells. These results suggested that the FOXP3 gene might potentially be used, itself, as an agent to limit atherosclerosis. To test this hypothesis AAV2/8 (AAV)/hFOXP3 or AAV/Neo (control) gene therapy virus were tail vein injected into the LDLR-KO/HCD animal model. It was found that hFOXP3 gene delivery was associated with significantly lower HCD-induced atherogenesis, as measured by larger aortic lumen cross sectional area, thinner aortic wall thickness, and lower aortic systolic blood velocity compared with Neo gene-HCD-treated controls. Moreover these measurements taken from the hFOXP3/HCD-treated animals very closely matched those measurements taken from the normal diet (ND) control animals. These data strongly suggest that AAV/hFOXP3 delivery gave a robust anti-atherosclerosis therapeutic effect and further suggest that FOXP3 be examined more stringently as a therapeutic gene for clinical use.
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Affiliation(s)
- M Cao
- Central Arkansas Veterans Healthcare System, 111J, 4300 West 7th Street, Little Rock, AR, 72205, USA.
| | - S A Theus
- Central Arkansas Veterans Healthcare System, 111J, 4300 West 7th Street, Little Rock, AR, 72205, USA.
| | - K D Straub
- Central Arkansas Veterans Healthcare System, 111J, 4300 West 7th Street, Little Rock, AR, 72205, USA.
| | | | - L Mirandola
- Division of Hematology and Oncology, Department of Internal Medicine, Texas Tech University Health Sciences Center, School of Medicine, Lubbock, TX, 79415, USA.
| | - M Chiriva-Internati
- Division of Hematology and Oncology, Department of Internal Medicine, Texas Tech University Health Sciences Center, School of Medicine, Lubbock, TX, 79415, USA.
- Kiromic LLC, Lubbock, TX, USA.
| | - P L Hermonat
- Central Arkansas Veterans Healthcare System, 111J, 4300 West 7th Street, Little Rock, AR, 72205, USA.
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40
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Oosterhof N, Boddeke E, van Ham TJ. Immune cell dynamics in the CNS: Learning from the zebrafish. Glia 2014; 63:719-35. [PMID: 25557007 DOI: 10.1002/glia.22780] [Citation(s) in RCA: 47] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2014] [Accepted: 12/10/2014] [Indexed: 12/22/2022]
Abstract
A major question in research on immune responses in the brain is how the timing and nature of these responses influence physiology, pathogenesis or recovery from pathogenic processes. Proper understanding of the immune regulation of the human brain requires a detailed description of the function and activities of the immune cells in the brain. Zebrafish larvae allow long-term, noninvasive imaging inside the brain at high-spatiotemporal resolution using fluorescent transgenic reporters labeling specific cell populations. Together with recent additional technical advances this allows an unprecedented versatility and scope of future studies. Modeling of human physiology and pathology in zebrafish has already yielded relevant insights into cellular dynamics and function that can be translated to the human clinical situation. For instance, in vivo studies in the zebrafish have provided new insight into immune cell dynamics in granuloma formation in tuberculosis and the mechanisms involving treatment resistance. In this review, we highlight recent findings and novel tools paving the way for basic neuroimmunology research in the zebrafish. GLIA 2015;63:719-735.
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Affiliation(s)
- Nynke Oosterhof
- Department of Clinical Genetics, Erasmus Medical Center, Rotterdam, The Netherlands
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41
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Brugman S, Schneeberger K, Witte M, Klein MR, van den Bogert B, Boekhorst J, Timmerman HM, Boes ML, Kleerebezem M, Nieuwenhuis EES. T lymphocytes control microbial composition by regulating the abundance of Vibrio in the zebrafish gut. Gut Microbes 2014; 5:737-47. [PMID: 25536157 PMCID: PMC4615293 DOI: 10.4161/19490976.2014.972228] [Citation(s) in RCA: 38] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/03/2023] Open
Abstract
Dysbiosis of the intestinal microbial community is considered a risk factor for development of chronic intestinal inflammation as well as other diseases such as diabetes, obesity and even cancer. Study of the innate and adaptive immune pathways controlling bacterial colonization has however proven difficult in rodents, considering the extensive cross-talk between bacteria and innate and adaptive immunity. Here, we used the zebrafish to study innate and adaptive immune processes controlling the microbial community. Zebrafish lack a functional adaptive immune system in the first weeks of life, enabling study of the innate immune system in the absence of adaptive immunity. We show that in wild type zebrafish, the initial lack of adaptive immunity associates with overgrowth of Vibrio species (a group encompassing fish and human pathogens), which is overcome upon adaptive immune development. In Rag1-deficient zebrafish (lacking adaptive immunity) Vibrio abundance remains high, suggesting that adaptive immune processes indeed control Vibrio species. Using cell transfer experiments, we confirm that adoptive transfer of T lymphocytes, but not B lymphocytes into Rag1-deficient recipients suppresses outgrowth of Vibrio. In addition, ex vivo exposure of intestinal T lymphocytes to Rag1-deficient microbiota results in increased interferon-gamma expression by these T lymphocytes, compared to exposure to wild type microbiota. In conclusion, we show that T lymphocytes control microbial composition by effectively suppressing the outgrowth of Vibrio species in the zebrafish intestine.
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Affiliation(s)
- Sylvia Brugman
- Department of Paediatric Gastroenterology, Wilhelmina Children's Hospital, University Medical Centre Utrecht, Utrecht, The Netherlands,Animal Sciences Group, Cell Biology and Immunology, Wageningen University, Wageningen, The Netherlands,Correspondence to: Sylvia Brugman;
| | - Kerstin Schneeberger
- Department of Paediatric Gastroenterology, Wilhelmina Children's Hospital, University Medical Centre Utrecht, Utrecht, The Netherlands
| | - Merlijn Witte
- Department of Paediatric Gastroenterology, Wilhelmina Children's Hospital, University Medical Centre Utrecht, Utrecht, The Netherlands,Hubrecht Institute-Royal Netherlands Academy of Arts and Sciences and University Medical Centre, Utrecht, The Netherlands
| | - Mark R Klein
- Laboratory of Pediatric Immunology, UMC Utrecht, Utrecht, The Netherlands
| | - Bartholomeus van den Bogert
- Laboratory of Microbiology, Wageningen University, Wageningen, The Netherlands,Top Institute Food and Nutrition (TIFN) Wageningen, The Netherlands
| | - Jos Boekhorst
- NIZO food research, Ede, The Netherlands,Centre for Molecular and Biomolecular Informatics (CMBI), Radboud University Nijmegen Medical Centre, The Netherlands
| | | | - Marianne L Boes
- Laboratory of Pediatric Immunology, UMC Utrecht, Utrecht, The Netherlands
| | - Michiel Kleerebezem
- Host Microbe Interactomics Group, Wageningen University, Wageningen, The Netherlands,NIZO food research, Ede, The Netherlands
| | - Edward ES Nieuwenhuis
- Department of Paediatric Gastroenterology, Wilhelmina Children's Hospital, University Medical Centre Utrecht, Utrecht, The Netherlands
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42
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Preston MA, Macklin WB. Zebrafish as a model to investigate CNS myelination. Glia 2014; 63:177-93. [PMID: 25263121 DOI: 10.1002/glia.22755] [Citation(s) in RCA: 65] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/02/2014] [Accepted: 09/12/2014] [Indexed: 12/18/2022]
Abstract
Myelin plays a critical role in proper neuronal function by providing trophic and metabolic support to axons and facilitating energy-efficient saltatory conduction. Myelination is influenced by numerous molecules including growth factors, hormones, transmembrane receptors and extracellular molecules, which activate signaling cascades that drive cellular maturation. Key signaling molecules and downstream signaling cascades controlling myelination have been identified in cell culture systems. However, in vitro systems are not able to faithfully replicate the complex in vivo signaling environment that occurs during development or following injury. Currently, it remains time-consuming and expensive to investigate myelination in vivo in rodents, the most widely used model for studying mammalian myelination. As such, there is a need for alternative in vivo myelination models, particularly ones that can test molecular mechanisms without removing oligodendrocyte lineage cells from their native signaling environment or disrupting intercellular interactions with other cell types present during myelination. Here, we review the ever-increasing role of zebrafish in studies uncovering novel mechanisms controlling vertebrate myelination. These innovative studies range from observations of the behavior of single cells during in vivo myelination as well as mutagenesis- and pharmacology-based screens in whole animals. Additionally, we discuss recent efforts to develop novel models of demyelination and oligodendrocyte cell death in adult zebrafish for the study of cellular behavior in real time during repair and regeneration of damaged nervous systems.
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Affiliation(s)
- Marnie A Preston
- Department of Cell and Developmental Biology, University of Colorado School of Medicine, Aurora, Colorado
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43
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Gratacap RL, Wheeler RT. Utilization of zebrafish for intravital study of eukaryotic pathogen-host interactions. DEVELOPMENTAL AND COMPARATIVE IMMUNOLOGY 2014; 46:108-15. [PMID: 24491522 PMCID: PMC4028364 DOI: 10.1016/j.dci.2014.01.020] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/04/2013] [Revised: 01/21/2014] [Accepted: 01/22/2014] [Indexed: 05/04/2023]
Abstract
Unique imaging tools and practical advantages have made zebrafish a popular model to investigate in vivo host-pathogen interactions. These studies have uncovered details of the mechanisms involved in several human infections. Until recently, studies using this versatile host were limited to viral and prokaryotic pathogens. Eukaryotic pathogens are a diverse group with a major impact on the human and fish populations. The relationships of eukaryote pathogens with their hosts are complex and many aspects remain obscure. The small and transparent zebrafish, with its conserved immune system and amenability to genetic manipulation, make it an exciting model for quantitative study of the core strategies of eukaryotic pathogens and their hosts. The only thing to do now is realize its potential for advancement of biomedical and aquaculture research.
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Affiliation(s)
- Remi L Gratacap
- Department of Molecular & Biomedical Sciences, University of Maine, Orono, ME 04469, United States
| | - Robert T Wheeler
- Department of Molecular & Biomedical Sciences, University of Maine, Orono, ME 04469, United States; Graduate School of Biomedical Sciences and Engineering, University of Maine, Orono, ME 04469, United States.
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44
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Iwanami N. Zebrafish as a model for understanding the evolution of the vertebrate immune system and human primary immunodeficiency. Exp Hematol 2014; 42:697-706. [PMID: 24824573 DOI: 10.1016/j.exphem.2014.05.001] [Citation(s) in RCA: 36] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/06/2014] [Revised: 04/21/2014] [Accepted: 05/02/2014] [Indexed: 01/04/2023]
Abstract
Zebrafish is an important vertebrate model that provides the opportunity for the combination of genetic interrogation with advanced live imaging in the analysis of complex developmental and physiologic processes. Among the many advances that have been achieved using the zebrafish model, it has had a great impact on immunology. Here, I discuss recent work focusing on the genetic underpinnings of the development and function of lymphocytes in fish. Lymphocytes play critical roles in vertebrate-specific acquired immune systems of jawless and jawed fish. The unique opportunities afforded by the ability to carry out forward genetic screens and the rapidly evolving armamentarium of reverse genetics in fish usher in a new immunologic research that complements the traditional models of chicken and mouse. Recent work has greatly increased our understanding of the molecular components of the zebrafish immune system, identifying evolutionarily conserved and fish-specific functions of immune-related genes. Interestingly, some of the genes whose mutations underlie the phenotypes in immunodeficient zebrafish were also identified in immunodeficient human patients. In addition, because of the generally conserved structure and function of immune facilities, the zebrafish also provides a versatile model to examine the functional consequences of genetic variants in immune-relevant genes in the human population. Thus, I propose that genetic approaches using the zebrafish hold great potential for a better understanding of molecular mechanisms of human primary immunodeficiencies and the evolution of vertebrate immune systems.
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Affiliation(s)
- Norimasa Iwanami
- Max Planck Institute of Immunobiology and Epigenetics, Freiburg, Germany.
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45
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Wang T, Secombes CJ. The cytokine networks of adaptive immunity in fish. FISH & SHELLFISH IMMUNOLOGY 2013; 35:1703-1718. [PMID: 24036335 DOI: 10.1016/j.fsi.2013.08.030] [Citation(s) in RCA: 204] [Impact Index Per Article: 18.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/04/2013] [Revised: 08/30/2013] [Accepted: 08/31/2013] [Indexed: 05/28/2023]
Abstract
Cytokines, produced at the site of entry of a pathogen, drive inflammatory signals that regulate the capacity of resident and newly arrived phagocytes to destroy the invading pathogen. They also regulate antigen presenting cells (APCs), and their migration to lymph nodes to initiate the adaptive immune response. When naive CD4+ T cells recognize a foreign antigen-derived peptide presented in the context of major histocompatibility complex class II on APCs, they undergo massive proliferation and differentiation into at least four different T-helper (Th) cell subsets (Th1, Th2, Th17, and induced T-regulatory (iTreg) cells in mammals. Each cell subset expresses a unique set of signature cytokines. The profile and magnitude of cytokines produced in response to invasion of a foreign organism or to other danger signals by activated CD4+ T cells themselves, and/or other cell types during the course of differentiation, define to a large extent whether subsequent immune responses will have beneficial or detrimental effects to the host. The major players of the cytokine network of adaptive immunity in fish are described in this review with a focus on the salmonid cytokine network. We highlight the molecular, and increasing cellular, evidence for the existence of T-helper cells in fish. Whether these cells will match exactly to the mammalian paradigm remains to be seen, but the early evidence suggests that there will be many similarities to known subsets. Alternative or additional Th populations may also exist in fish, perhaps influenced by the types of pathogen encountered by a particular species and/or fish group. These Th cells are crucial for eliciting disease resistance post-vaccination, and hopefully will help resolve some of the difficulties in producing efficacious vaccines to certain fish diseases.
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Affiliation(s)
- Tiehui Wang
- Scottish Fish Immunology Research Centre, School of Biological Sciences, University of Aberdeen, Aberdeen AB24 2TZ, UK.
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46
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Cytokine mediated immune responses in the Japanese pufferfish (Takifugu rubripes) administered with heat-killed Lactobacillus paracasei spp. paracasei (06TCa22) isolated from the Mongolian dairy product. Int Immunopharmacol 2013; 17:358-65. [DOI: 10.1016/j.intimp.2013.06.030] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2013] [Revised: 06/13/2013] [Accepted: 06/26/2013] [Indexed: 11/18/2022]
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47
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Darrasse-Jèze G, Podsypanina K. How numbers, nature, and immune status of foxp3(+) regulatory T-cells shape the early immunological events in tumor development. Front Immunol 2013; 4:292. [PMID: 24133490 PMCID: PMC3784046 DOI: 10.3389/fimmu.2013.00292] [Citation(s) in RCA: 33] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2013] [Accepted: 09/05/2013] [Indexed: 12/21/2022] Open
Abstract
The influence of CD4(+)CD25(+)Foxp3(+) regulatory T-cells (Tregs) on cancer progression has been demonstrated in a large number of preclinical models and confirmed in several types of malignancies. Neoplastic processes trigger an increase of Treg numbers in draining lymph nodes, spleen, blood, and tumors, leading to the suppression of anti-tumor responses. Treg-depletion before or early in tumor development may lead to complete tumor eradication and extends survival of mice and humans. However this strategy is ineffective in established tumors, highlighting the critical role of the early Treg-tumor encounters. In this review, after discussing old and new concepts of immunological tumor tolerance, we focus on the nature (thymus-derived vs. peripherally derived) and status (naïve or activated/memory) of the regulatory T-cells at tumor emergence. The recent discoveries in this field suggest that the activation status of Tregs and effector T-cells (Teffs) at the first encounter with the tumor are essential to shape the fate and speed of the immune response across a variety of tumor models. The relative timing of activation/recruitment of anti-tumor cells vs. tolerogenic cells at tumor emergence appears to be crucial in the identification of tumor cells as friend or foe, which has broad implications for the design of cancer immunotherapies.
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Affiliation(s)
- Guillaume Darrasse-Jèze
- Faculté de Médecine, Sorbonne Paris Cité, Université Paris Descartes , Paris , France ; Unité 1013, Institut National de la Santé et de le Recherche Médicale, Hôpital Necker , Paris , France ; Immunoregulation and Immunopathology Team, INEM , Paris , France
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Wei J, Yu L, Sun L, Zhang X, Li M, Qi W, Zhou L, Wang D. Molecular cloning and expression analysis of Foxp3 from Nile tilapia. Vet Immunol Immunopathol 2013; 155:48-56. [DOI: 10.1016/j.vetimm.2013.06.004] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/05/2013] [Revised: 05/28/2013] [Accepted: 06/03/2013] [Indexed: 12/18/2022]
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Chen T, Darrasse-Jèze G, Bergot AS, Courau T, Churlaud G, Valdivia K, Strominger JL, Ruocco MG, Chaouat G, Klatzmann D. Self-specific memory regulatory T cells protect embryos at implantation in mice. THE JOURNAL OF IMMUNOLOGY 2013; 191:2273-81. [PMID: 23913969 DOI: 10.4049/jimmunol.1202413] [Citation(s) in RCA: 77] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
Abstract
Regulatory T cells (Tregs) play crucial roles in both fetal and tumor development. We recently showed that immunosurveillance by pre-existing CD44(high)CD62L(low) activated/memory Tregs (amTregs) specific for self-Ags protects emergent tumor cells in mice. This Treg response of a memory type is more rapid than and dominates the antitumor response of tumor-specific effector T cells. In this study, we report striking similarities between the early Treg responses to embryo and tumor implantation. Tregs are rapidly recruited to uterus-draining lymph nodes and activated in the first days after embryo implantation in both syngeneic and allogeneic matings; express the markers of the amTreg subset; and are at least in part self-Ag specific, as seen in tumor emergence. Unlike in the tumor emergence setting, however, for which preimmunization against tumor Ags is sufficient for complete tumor eradication even in the presence of Tregs, Treg depletion is additionally required for high frequencies of fetus loss after preimmunization against paternal tissue Ags. Thus, amTregs play a major role in protecting embryos in both naive and preimmune settings. This role and the ensuing therapeutic potential are further highlighted by showing that Treg stimulation, directly by low-dose IL-2 or indirectly by Fms-related tyrosine kinase 3 ligand, led to normal pregnancy rates in a spontaneous abortion-prone model.
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Affiliation(s)
- Ting Chen
- Université Pierre et Marie Curie, University Paris 06, F-75013 Paris, France
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Quintana FJ, Sherr DH. Aryl hydrocarbon receptor control of adaptive immunity. Pharmacol Rev 2013; 65:1148-61. [PMID: 23908379 DOI: 10.1124/pr.113.007823] [Citation(s) in RCA: 244] [Impact Index Per Article: 22.2] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023] Open
Abstract
The aryl hydrocarbon receptor (AhR) is a ligand-activated transcription factor that belongs to the family of basic helix-loop-helix transcription factors. Although the AhR was initially recognized as the receptor mediating the pathologic effects of dioxins and other pollutants, the activation of AhR by endogenous and environmental factors has important physiologic effects, including the regulation of the immune response. Thus, the AhR provides a molecular pathway through which environmental factors modulate the immune response in health and disease. In this review, we discuss the role of AhR in the regulation of the immune response, the source and chemical nature of AhR ligands, factors controlling production and degradation of AhR ligands, and the potential to target the AhR for therapeutic immunomodulation.
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Affiliation(s)
- Francisco J Quintana
- Center for Neurologic Diseases, Brigham and Women’s Hospital, Harvard Medical School, Boston, Massachusetts 02115, USA.
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