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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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Zhang Y, Su J. Interleukin-2 family cytokines: An overview of genes, expression, signaling and functional roles in teleost. DEVELOPMENTAL AND COMPARATIVE IMMUNOLOGY 2023; 141:104645. [PMID: 36696924 DOI: 10.1016/j.dci.2023.104645] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/25/2022] [Revised: 01/11/2023] [Accepted: 01/20/2023] [Indexed: 06/17/2023]
Abstract
The interleukin-2 (IL-2) family cytokines include IL-2, IL-4, IL-7, IL-9, IL-15, and IL-21, which share γ chain (γc) subunit in receptors. The IL-2 family cytokines have unique biological effects that regulate differentiation, survival and activation of multiple lymphocyte lineages. Deficiency of IL-2 family signaling pathway in mammals prevents CD4+ T cells from developing effector functions and CD8+ T cells from developing immunological memory. In the present review, we addressed available information from teleost IL-2 family cytokines and discussed implications in teleost immunity. Also, we described and discussed their expression profiles, receptors, signaling transductions and functions. In teleost, IL-2 family has 5 members (IL-2, IL-4/13, IL-7, IL-15, IL-21) without IL-9, and their receptors share a common γc subunit and include other 6 subunits (IL-2Rβ1/2, IL-4Rα1/2, IL-13Rα1/2, IL-7Rα, IL-15Rα, and IL-21Rα1/2). Some paralogues have changes in domain structure and show differential expression, modulation, functions. IL-2 family cytokines constitutively express in many immune associated tissues and are largely induced after pathogenic microbial stimulation. In general, there are relatively conserved functions in the IL-2 family throughout vertebrates, and many of the key IL-2 family members are important in lymphocyte proliferation and differentiation, development, inflammation from fishes to mammals. This review will give an update on the effective information of teleost IL-2 family cytokines. Thus, it will provide a source of reference for other researchers/readers and inspire further interest.
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Affiliation(s)
- Yanqi Zhang
- College of Fisheries, Hubei Hongshan Laboratory, Huazhong Agricultural University, Wuhan, 430070, China; Laboratory for Marine Biology and Biotechnology, Pilot National Laboratory for Marine Science and Technology, Qingdao, 266237, China
| | - Jianguo Su
- College of Fisheries, Hubei Hongshan Laboratory, Huazhong Agricultural University, Wuhan, 430070, China; Laboratory for Marine Biology and Biotechnology, Pilot National Laboratory for Marine Science and Technology, Qingdao, 266237, China.
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3
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Wentzel AS, Petit J, van Veen WG, Fink IR, Scheer MH, Piazzon MC, Forlenza M, Spaink HP, Wiegertjes GF. Transcriptome sequencing supports a conservation of macrophage polarization in fish. Sci Rep 2020; 10:13470. [PMID: 32778701 PMCID: PMC7418020 DOI: 10.1038/s41598-020-70248-y] [Citation(s) in RCA: 21] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2020] [Accepted: 07/21/2020] [Indexed: 12/12/2022] Open
Abstract
Mammalian macrophages can adopt polarization states that, depending on the exact stimuli present in their extracellular environment, can lead to very different functions. Although these different polarization states have been shown primarily for macrophages of humans and mice, it is likely that polarized macrophages with corresponding phenotypes exist across mammals. Evidence of functional conservation in macrophages from teleost fish suggests that the same, or at least comparable polarization states should also be present in teleosts. However, corresponding transcriptional profiles of marker genes have not been reported thus far. In this study we confirm that macrophages from common carp can polarize into M1- and M2 phenotypes with conserved functions and corresponding transcriptional profiles compared to mammalian macrophages. Carp M1 macrophages show increased production of nitric oxide and a transcriptional profile with increased pro-inflammatory cytokines and mediators, including il6, il12 and saa. Carp M2 macrophages show increased arginase activity and a transcriptional profile with increased anti-inflammatory mediators, including cyr61, timp2b and tgm2b. Our RNA sequencing approach allowed us to list, in an unbiased manner, markers discriminating between M1 and M2 macrophages of teleost fish. We discuss the importance of our findings for the evaluation of immunostimulants for aquaculture and for the identification of gene targets to generate transgenic zebrafish for detailed studies on M1 and M2 macrophages. Above all, we discuss the striking degree of evolutionary conservation of macrophage polarization in a lower vertebrate.
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Affiliation(s)
- Annelieke S Wentzel
- Cell Biology and Immunology Group, Aquaculture and Fisheries Group, Wageningen University and Research, De Elst 1, 6708 WD, Wageningen, The Netherlands
| | - Jules Petit
- Aquaculture and Fisheries Group, Wageningen University and Research, De Elst 1, 6708 WD, Wageningen, The Netherlands
| | - Wouter G van Veen
- Experimental Zoology Group, Wageningen University and Research, De Elst 1, 6708 WD, Wageningen, The Netherlands
| | - Inge Rosenbek Fink
- Cell Biology and Immunology Group, Aquaculture and Fisheries Group, Wageningen University and Research, De Elst 1, 6708 WD, Wageningen, The Netherlands
| | - Marleen H Scheer
- Cell Biology and Immunology Group, Aquaculture and Fisheries Group, Wageningen University and Research, De Elst 1, 6708 WD, Wageningen, The Netherlands
| | - M Carla Piazzon
- Fish Pathology Group, Institute of Aquaculture Torre de La Sal (IATS-CSIC), 12595, Ribera de Cabanes, Castellón, Spain
| | - Maria Forlenza
- Cell Biology and Immunology Group, Aquaculture and Fisheries Group, Wageningen University and Research, De Elst 1, 6708 WD, Wageningen, The Netherlands
| | - Herman P Spaink
- Institute of Biology, Leiden University, Einsteinweg 55, 2332 CC, Leiden, The Netherlands
| | - Geert F Wiegertjes
- Aquaculture and Fisheries Group, Wageningen University and Research, De Elst 1, 6708 WD, Wageningen, The Netherlands.
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Nishiya K, Sawada M, Dijkstra JM, Miyamae J, Okano M, Katakura F, Moritomo T. A fish cytokine related to human IL-3, IL-5, and GM-CSF, induces development of eosinophil/basophil/mast-cell type (EBM) granulocytes. DEVELOPMENTAL AND COMPARATIVE IMMUNOLOGY 2020; 108:103671. [PMID: 32147469 DOI: 10.1016/j.dci.2020.103671] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/29/2020] [Revised: 03/04/2020] [Accepted: 03/04/2020] [Indexed: 06/10/2023]
Abstract
Interleukin-3 (IL-3), IL-5, and granulocyte-macrophage colony-stimulating factor (GM-CSF) are related cytokines that signal through receptors possessing the β common (βc) chain. As a family, these cytokines combine rather non-specific hematopoietic growth factor properties with a special importance for eosinophils, basophils, and mast cells. In fish the cytokines of this family are called IL-5fam, and the present study, using carp, constitutes their first functional analysis. Carp il-5fam expression was enhanced by stimulation with phytohemagglutinin and killed bacteria. Reminiscent of mammalian IL-3/IL-5/GM-CSF family members, recombinant carp IL-5fam (rcIL-5fam) induced activation of transcription factor STAT5 and efficiently promoted proliferation and colony-formation of eosinophil/basophil/mast-cell type (EBM) granulocytes. Upon addition of recombinant carp βc the growth effect of rcIL-5fam was reduced, suggesting βc participation in the signaling route. In summary, despite differences in individual cytokines and cell populations, fish and mammalian IL-3/IL-5/GM-CSF family members share growth factor functions for non-neutrophil granulocytes.
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Affiliation(s)
- Kohei Nishiya
- Laboratory of Comparative Immunology, Department of Veterinary Medicine, Nihon University, Kameino 1866, Fujisawa, Kanagawa, 252-0880, Japan
| | - Mai Sawada
- Laboratory of Comparative Immunology, Department of Veterinary Medicine, Nihon University, Kameino 1866, Fujisawa, Kanagawa, 252-0880, Japan
| | - Johannes M Dijkstra
- Institute for Comprehensive Medical Science, Fujita Health University, Dengakugakubo 1-98, Toyoake, Aichi, 470-1192, Japan
| | - Jiro Miyamae
- Faculty of Veterinary Medicine, Okayama University of Science, Ikoino-oka 1-3, Imabari, Ehime, 794-8555, Japan
| | - Masaharu Okano
- Laboratory of Comparative Immunology, Department of Veterinary Medicine, Nihon University, Kameino 1866, Fujisawa, Kanagawa, 252-0880, Japan
| | - Fumihiko Katakura
- Laboratory of Comparative Immunology, Department of Veterinary Medicine, Nihon University, Kameino 1866, Fujisawa, Kanagawa, 252-0880, Japan.
| | - Tadaaki Moritomo
- Laboratory of Comparative Immunology, Department of Veterinary Medicine, Nihon University, Kameino 1866, Fujisawa, Kanagawa, 252-0880, Japan
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Jiang X, Wang J, Wan S, Xue Y, Sun Z, Cheng X, Gao Q, Zou J. Distinct expression profiles and overlapping functions of IL-4/13A and IL-4/13B in grass carp (Ctenopharyngodon idella). AQUACULTURE AND FISHERIES 2020. [DOI: 10.1016/j.aaf.2019.10.006] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
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Mao K, Chen W, Mu Y, Ao J, Chen X. Identification of two IL-4/13 homologues in large yellow croaker (Larimichthys crocea) revealed their similar roles in inducing alternative activation of monocytes/macrophages. FISH & SHELLFISH IMMUNOLOGY 2018; 80:180-190. [PMID: 29870826 DOI: 10.1016/j.fsi.2018.06.002] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/02/2018] [Accepted: 06/01/2018] [Indexed: 05/02/2023]
Abstract
Mammalian interleukin-4 (IL-4) and -13 (IL-13), two anti-inflammatory T helper cell type 2 (Th2) cytokines, play the central roles in mediating the alternative activation of monocytes/macrophages (MO/Mφs). However, exact functions in MO/Mφs polarization of IL-4/13 homologues in teleost fish remain largely unknown. In this study, we identified two IL-4/13 homologues from large yellow croaker Larimichthys crocea, LcIL-4/13A and LcIL-4/13B, which share low amino acid sequence identities to the known fish IL-4/13 molecules. Phylogenetic analysis showed that LcIL-4/13A is evolutionarily closely related to Dicentrarchus labrax IL-4/13A, and LcIL-4/13B to Takifugu rubripes IL-4/13B. The two LcIL-4/13 genes were constitutively expressed in all examined tissues, but with different expression levels. Both LcIL-4/13A and LcIL-4/13B were up-regulated by inactivated trivalent bacterial vaccine in the head kidney, and LcIL-4/13B appeared more responsive to bacterial vaccine than LcIL-4/13A. Recombinant LcIL-4/13A and LcIL-4/13B proteins (rLcIL-4/13A and rLcIL-4/13B) produced in Escherichia coli could significantly decrease production of reactive oxygen species (ROS) and nitrogen oxide (NO) in the head kidney MO/Mφs from large yellow croaker. Furthermore, rLcIL-4/13A and rLcIL-4/13B obviously down-regulated expression of pro-inflammatory cytokine (IL-1β and TNF-α) and inducible NO synthase (iNOS) genes in MO/Mφs, while they increased mRNA expression of anti-inflammatory cytokines (TGF-β and VEGF) and arginase-2. Additionally, the phagocytic activity of MO/Mφs was also inhibited by rLcIL-4/13A or rLcIL-4/13B. All these results therefore indicated that both LcIL-4/13A and LcIL-4/13B, although exhibiting a lower degree of sequence identity of 15.6% and differential expression pattern, have the similar roles in promoting alternative activation of head kidney MO/Mφs.
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Affiliation(s)
- Kaiqiong Mao
- Institute of Oceanology, College of Animal Sciences, Fujian Agriculture and Forestry University, Fuzhou, 350002, PR China; Key Laboratory of Marine Biogenetic Resources, Third Institute of Oceanography, State Oceanic Administration, Xiamen, 361005, PR China; School of Life Sciences, Xiamen University, Xiamen, 361005, PR China
| | - Wei Chen
- School of Life Sciences, Xiamen University, Xiamen, 361005, PR China
| | - Yinnan Mu
- Institute of Oceanology, College of Animal Sciences, Fujian Agriculture and Forestry University, Fuzhou, 350002, PR China.
| | - Jingqun Ao
- Key Laboratory of Marine Biogenetic Resources, Third Institute of Oceanography, State Oceanic Administration, Xiamen, 361005, PR China
| | - Xinhua Chen
- Institute of Oceanology, College of Animal Sciences, Fujian Agriculture and Forestry University, Fuzhou, 350002, PR China; Laboratory for Marine Biology and Biotechnology, Qingdao National Laboratory for Marine Science and Technology, Qingdao, 266071, PR China.
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Odaka T, Suetake H, Maeda T, Miyadai T. Teleost Basophils Have IgM-Dependent and Dual Ig-Independent Degranulation Systems. THE JOURNAL OF IMMUNOLOGY 2018. [PMID: 29514952 DOI: 10.4049/jimmunol.1701051] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
Recently, mammalian basophils have been highlighted as having roles in allergy and antiparasitic immunity; however, there is little information about the functions and evolutionary origin of basophils, because they are the least abundant leukocyte in most vertebrates. In this study, we characterized the teleost basophils that are abundant in the peripheral blood of fugu (Takifugu rubripes). Fugu basophils have two distinct granules: reddish-purple and dark violet ones. Teleost fish do not have IgG and IgE, but we found that fugu IgM bound on the surface of the basophils, and the cross-linked IgM induced degranulation of both types of granules. This indicates that teleost basophils can be activated in an Ab-dependent manner. Furthermore, papain induced the degranulation of the reddish-purple granules, which contain histamine, and the released granules stimulated the migration of various leukocytes. In contrast, chitin elicited the degranulation of the dark violet granules, which resulted in CD4+ T cell-specific migration. Thus, fugu basophils control immune responses via two distinct Ab-independent mechanisms. In addition, fugu basophils endocytosed soluble Ag and expressed MHC class II and B7-H1/DC. These findings suggested that fugu basophils can interact with T cells as APCs. Thus, the Ab-dependent basophil activation predates the emergence of IgG and IgE, and fish basophils exhibit different dynamics and features of degranulation to distinct stimuli compared with mammalian basophils. Some features of teleost basophils are more similar to those of mammalian mast cells than to those of mammalian basophils.
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Affiliation(s)
- Tomoyuki Odaka
- Faculty of Marine Science and Technology, Fukui Prefectural University, Obama, Fukui 917-0003, Japan
| | - Hiroaki Suetake
- Faculty of Marine Science and Technology, Fukui Prefectural University, Obama, Fukui 917-0003, Japan
| | - Tomoki Maeda
- Faculty of Marine Science and Technology, Fukui Prefectural University, Obama, Fukui 917-0003, Japan
| | - Toshiaki Miyadai
- Faculty of Marine Science and Technology, Fukui Prefectural University, Obama, Fukui 917-0003, Japan
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Sequeida A, Maisey K, Imarai M. Interleukin 4/13 receptors: An overview of genes, expression and functional role in teleost fish. Cytokine Growth Factor Rev 2017; 38:66-72. [PMID: 28988781 DOI: 10.1016/j.cytogfr.2017.09.004] [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] [Received: 08/20/2017] [Revised: 09/26/2017] [Accepted: 09/26/2017] [Indexed: 12/11/2022]
Abstract
In superior vertebrates, Interleukin 4 (IL-4) and Interleukin 13 (IL-13) play key and diverse roles to support immune responses acting on cell surface receptors. When stimulated, receptors activate intracellular signalling cascades switching cell phenotypes according to stimuli. In teleost fish, Interleukin 4/13 (IL-4/13) is the ancestral family cytokine related to both IL-4 and IL-13. Every private and common receptor subunit for IL-4/13 have in fish at least two paralogues and, as in mammals, soluble forms are also part of the receptor system. Reports for findings of fish IL-4/13 receptors have covered comparative analysis, transcriptomic profiles and to a lesser extent, functional analysis regarding ligand-receptor interactions and their biological effects. This review addresses available information from fish IL-4/13 receptors and discusses overall implications on teleost immunity, summarized gene induction strategies and pathogen-induced gene modulation, which may be useful tools to enhance immune response. Additionally, we present novel coding sequences for Atlantic salmon (Salmo salar) common gamma chain receptor (γC), Interleukin 13 receptor alpha 1A chain (IL-13Rα1A) and Interleukin 13 receptor alpha 1B chain (IL-13Rα1B).
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Affiliation(s)
- A Sequeida
- Laboratory of Immunology, Center for Aquatic Biotechnology, Department of Biology, Faculty of Chemistry and Biology, University of Santiago of Chile, Av. Bernardo O'Higgins, 3363 Santiago, Chile
| | - K Maisey
- Laboratory of Immunology, Center for Aquatic Biotechnology, Department of Biology, Faculty of Chemistry and Biology, University of Santiago of Chile, Av. Bernardo O'Higgins, 3363 Santiago, Chile; Laboratory of Comparative Immunology, Center for Aquatic Biotechnology, Department of Biology, Faculty of Chemistry and Biology, University of Santiago of Chile,Av. Bernardo O'Higgins, 3363 Santiago, Chile
| | - M Imarai
- Laboratory of Immunology, Center for Aquatic Biotechnology, Department of Biology, Faculty of Chemistry and Biology, University of Santiago of Chile, Av. Bernardo O'Higgins, 3363 Santiago, Chile.
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Evolution of Th2 responses: characterization of IL-4/13 in sea bass (Dicentrarchus labrax L.) and studies of expression and biological activity. Sci Rep 2017; 7:2240. [PMID: 28533556 PMCID: PMC5440397 DOI: 10.1038/s41598-017-02472-y] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2017] [Accepted: 04/11/2017] [Indexed: 02/07/2023] Open
Abstract
Th2 immunity is a primary host defence against metazoan pathogens and two of the important cytokines involved in this immune response in mammals are IL-4 and IL-13. Recently the origin and evolution of Th2 immune responses have been investigated in fish where a molecule with relatedness to both IL-4 and IL-13 is present, termed IL-4/13. Different IL-4/13 paralogues (IL-4/13 A and IL-4/13B) exist in teleost fish. In this paper, we have focused on the IL-4/13 isoforms found in the European sea bass (Dicentrarchus labrax L.). Two tandem duplicated but divergent IL-4/13 A isoforms and one IL-4/13B are present, a unique situation compared to other teleosts. These genes were studied in terms of their in vitro and in vivo transcript levels after different treatments and their biological activities after production of the recombinant isoforms. The results show that the presence of these three paralogues is associated with different activities, both in terms of their expression profiles and the ability of the proteins to modulate the expression of immune genes in head kidney leukocytes. It is clear that the initiation and control of type-2 responses in seabass is complex due to the presence of multiple IL-4/13 isoforms with overlapping but distinct activities.
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Benedicenti O, Wang T, Wangkahart E, Milne DJ, Holland JW, Collins C, Secombes CJ. Characterisation of arginase paralogues in salmonids and their modulation by immune stimulation/ infection. FISH & SHELLFISH IMMUNOLOGY 2017; 61:138-151. [PMID: 28025160 DOI: 10.1016/j.fsi.2016.12.024] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/08/2016] [Revised: 12/16/2016] [Accepted: 12/21/2016] [Indexed: 06/06/2023]
Abstract
In this study we show that four arginase isoforms (arg1a, arg1b, arg2a, arg2b) exist in rainbow trout (Oncorhynchus mykiss) and Atlantic salmon (Salmo salar). We have characterised these molecules in terms of a) sequence analysis, b) constitutive expression in different tissues, and modulated expression following c) stimulation of head kidney macrophages in vitro, or d) vaccination/infection with Yersinia ruckeri and e) parasite infection (AGD caused by Paramoeba perurans and PKD caused by Tetracapsuloides bryosalmonae). Synteny analysis suggested that these arginase genes are paralogues likely from the Ss4R duplication event, and amino acid identity/similarity analyses showed that the proteins are relatively well conserved across species. In rainbow trout constitutive expression of one or both paralogues was seen in most tissues but different constitutive expression patterns were observed for the different isoforms. Stimulation of rainbow trout head kidney macrophages with PAMPs and cytokines also revealed isoform specific responses and kinetics, with arg1a being particularly highly modulated by the PAMPs and pro-inflammatory cytokines. In contrast the type II arginase paralogues were induced by rIl-4/13, albeit to a lesser degree. Vaccination and infection with Y. ruckeri also revealed isoform specific responses, with variation in tissue expression level and kinetics. Lastly, the impact of parasite infection was studied, where down regulation of arg1a and arg1b was seen in two different models (AGD in salmon and PKD in trout) and of arg2a in AGD. The differential responses seen are discussed in the context of markers of type II responses in fish and paralogue subfunctionalization.
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Affiliation(s)
- Ottavia Benedicenti
- Scottish Fish Immunology Research Centre, Institute of Biological and Environmental Sciences, University of Aberdeen, Tillydrone Avenue, Aberdeen AB24 2TZ, UK; Marine Scotland Science Marine Laboratory, 375 Victoria Rd, Aberdeen AB11 9DB, UK.
| | - Tiehui Wang
- Scottish Fish Immunology Research Centre, Institute of Biological and Environmental Sciences, University of Aberdeen, Tillydrone Avenue, Aberdeen AB24 2TZ, UK
| | - Eakapol Wangkahart
- Scottish Fish Immunology Research Centre, Institute of Biological and Environmental Sciences, University of Aberdeen, Tillydrone Avenue, Aberdeen AB24 2TZ, UK
| | - Douglas J Milne
- Scottish Fish Immunology Research Centre, Institute of Biological and Environmental Sciences, University of Aberdeen, Tillydrone Avenue, Aberdeen AB24 2TZ, UK
| | - Jason W Holland
- Scottish Fish Immunology Research Centre, Institute of Biological and Environmental Sciences, University of Aberdeen, Tillydrone Avenue, Aberdeen AB24 2TZ, UK
| | - Catherine Collins
- Marine Scotland Science Marine Laboratory, 375 Victoria Rd, Aberdeen AB11 9DB, UK
| | - Christopher J Secombes
- Scottish Fish Immunology Research Centre, Institute of Biological and Environmental Sciences, University of Aberdeen, Tillydrone Avenue, Aberdeen AB24 2TZ, UK.
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Hodgkinson JW, Fibke C, Belosevic M. Recombinant IL-4/13A and IL-4/13B induce arginase activity and down-regulate nitric oxide response of primary goldfish (Carassius auratus L.) macrophages. DEVELOPMENTAL AND COMPARATIVE IMMUNOLOGY 2017; 67:377-384. [PMID: 27581741 DOI: 10.1016/j.dci.2016.08.014] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/21/2016] [Revised: 08/26/2016] [Accepted: 08/27/2016] [Indexed: 05/02/2023]
Abstract
We report on the expression analysis and functional characterization of IL-4/13A and IL-4/13B in goldfish. Quantitative analysis indicated the highest expression in the heart, spleen, brain, and kidney, with comparable expression patterns for both IL-4/13A and IL-4/13B. The mRNA levels of IL-4/13A and IL-4/13B in the immune cells examined were highest in macrophage and monocytes. Assessment of spleen mRNA following infection with Trypanosoma carassii, a prominent protozoan pathogen of fish, revealed decrease in IL-4/13B and arginase expression 14 days post infection, followed by an increase in IL-4/13B and arginase-2 at 28 days post infection. Recombinant forms of IL-4/13A and IL-4/13B induced an increase in arginase activity in macrophages in a dose-dependent manner. Recombinant IL-4/13A and IL-4/13B also induced significant increase in mRNA levels of arginase -2 in macrophages at 6, 12, 18 and 24 h after treatment. Furthermore, treatment with both IL-4/13 recombinants interfered with the IFNγ-induced nitric oxide response of macrophages. Our results suggest a conserved role of IL-4/IL-13 in induction of alternative activation phenotype in teleost macrophages.
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Affiliation(s)
- Jordan W Hodgkinson
- Department of Biological Sciences, University of Alberta, Edmonton, Alberta, Canada
| | - Chad Fibke
- Department of Biological Sciences, University of Alberta, Edmonton, Alberta, Canada
| | - Miodrag Belosevic
- Department of Biological Sciences, University of Alberta, Edmonton, Alberta, Canada; Department of Medical Microbiology and Immunology, University of Alberta, Edmonton, Alberta, Canada.
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Samie A, Madzie N. EFFECTS OF COMBRETUM HEREROENSE AND CANTHIUMMUNDIANUM water EXTRACTS ON PRODUCTION AND EXPRESSION OF INTERLEUKIN-4. AFRICAN JOURNAL OF TRADITIONAL, COMPLEMENTARY, AND ALTERNATIVE MEDICINES : AJTCAM 2016; 14:302-309. [PMID: 28480408 PMCID: PMC5411882 DOI: 10.21010/ajtcam.v14i1.32] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
Abstract
BACKGROUND Combretum hereroense and Canthium mundianum are two plants commonly used by traditional healers in the Northern region of Limpopo, South Africa for the treatment of diarrhea and inflammation. In the present study, the effects of their water extracts on the production and expression of interleukin-4 by peripheral blood mononuclear cells (PBMC'S) from HIV positive and negative individuals was evaluated. MATERIALS AND METHODS Blood samples were collected from both HIV positive and HIV negative volunteers and were used for the purification of Peripheral blood mononuclear cells (PBMC). The PBMCs were cultured together with the water extracts after activation with phytohemagglutinin (PHA) for three days. Solid-phase sandwich ELISA (MABTECH) kit was used to detect IL-4 on un-stimulated and stimulated PBMC'S with phytohemaglutinin (PHA) and plant extracts, followed by the isolation of RNA using RNAesy Qiagen mini kit from the cells. Reverse transcriptase real time PCR was used to evaluate IL-4 gene expression by the cells. RESULTS Combretum hereroense showed higher production of IL-4 at three different concentrations and a significant expression of mRNA with 4-fold amplification increase at 300μg/ml and 2-fold amplification increase at 20μg/ml. Canthium mundianum also showed increased production of IL-4 at 300μg/ml, but inhibited its production at 20μg/ml. Both extracts showed no expression at 50μg/ml. The response of the PBMCs from HIV negative individuals was more pronounced than that of HIV positive individuals who mostly increased production of IL4 at smaller concentrations unlike their HIV negative counterparts. Although in vitro studies do not necessarily predict in vivo outcomes, the plant extracts modulated the immune system by enhancing the production and expression of IL-4 in both HIV- and HIV+ individuals at different concentrations. CONCLUSIONS For the first time we have shown that the immunomodulatory effect of medicinal plants may depend on the clinical status of the individual. The present study revealed that the effect of the water extracts from the two plants on IL-4 expression and production is dependent on the microbiological state of the individual and is dose dependent. Further studies are needed to identify the active components in the extracts and also characterize the patients further for a better understanding of the mechanisms of action of these extracts.
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Affiliation(s)
- Amidou Samie
- Department of Microbiology, Molecular Parasitology and Opportunistic Infections Program, School of Mathematical and Natural Sciences, University of Venda, Private Bag X5050, Thohoyandou 0950, South Africa
| | - Nditsheni Madzie
- Department of Microbiology, Molecular Parasitology and Opportunistic Infections Program, School of Mathematical and Natural Sciences, University of Venda, Private Bag X5050, Thohoyandou 0950, South Africa
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Yang ZJ, Li CH, Chen J, Zhang H, Li MY, Chen J. Molecular characterization of an interleukin-4/13B homolog in grass carp (Ctenopharyngodon idella) and its role in fish against Aeromonas hydrophila infection. FISH & SHELLFISH IMMUNOLOGY 2016; 57:136-147. [PMID: 27546554 DOI: 10.1016/j.fsi.2016.08.022] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/03/2016] [Revised: 08/10/2016] [Accepted: 08/13/2016] [Indexed: 06/06/2023]
Abstract
Mammalian interleukin 4 (IL-4) and interleukin 13 (IL-13) molecules are anti-inflammatory cytokines mediating the alternative activation of macrophages. However, the role of fish IL-4/13 homologs in monocytes/macrophages (MO/MФ) polarization remains unclear. In this study, we have functionally identified an IL-4/13B homolog in grass carp (Ctenopharyngodon idella), which is termed as CiIL-4/13B. Multiple alignment showed that CiIL-4/13B shared the typical characteristics and structure with other known fish IL-4/13. Phylogenetic analysis showed that CiIL-4/13B is evolutionarily closely related to zebrafish (Danio rerio) and common carp (Cyprinus carpio) IL-4/13B. CiIL-4/13B mRNA was constitutively expressed in tissues and peripheral blood lymphocytes (PBLs) examined, with its highest expression seen in PBLs. Following Aeromonas hydrophila infection, CiIL-4/13B mRNA expression was upregulated. Recombinant CiIL-4/13B (rCiIL-4/13B) was overexpressed in Escherichia coli and purified for a functional study. Using prepared anti-rCiIL-4/13B antiserum, Western blot analysis showed that native CiIL-4/13B in grass carp plasma is N-glycosylated. Intraperitoneal injection of bioactive rCiIL-4/13B significantly increased the survival rate of grass carp against A. hydrophila, and decreased the tissue bacterial load, with a higher dose having better effects. Bioactive rCiIL-4/13B treatment decreased nitrite production and mRNA expression of proinflammatory cytokines (IL-1β and TNF-α), while it increased arginase activity and mRNA expression of anti-inflammatory cytokines (TGF-β and IL-10). The phagocytosis by grass carp MO/MФ had no significant changes by the 8 h treatment of bioactive rCiIL-4/13B compared to that of the negative control, while it was significantly inhibited by the 24 h treatment of bioactive rCiIL-4/13B. The inhibitory effect of rCiIL-4/13B on MO/MФ phagocytosis may be a consequence of MO/MФ proliferation. In summary, our results suggest that CiIL-4/13B plays a protective effect in grass carp against A. hydrophila by inducing alternatively activated MO/MФ.
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Affiliation(s)
- Zhi-Jing Yang
- Laboratory of Biochemistry and Molecular Biology, School of Marine Sciences, Ningbo University, Ningbo 315211, China
| | - Chang-Hong Li
- Laboratory of Biochemistry and Molecular Biology, School of Marine Sciences, Ningbo University, Ningbo 315211, China
| | - Jie Chen
- Laboratory of Biochemistry and Molecular Biology, School of Marine Sciences, Ningbo University, Ningbo 315211, China; Collaborative Innovation Center for Zhejiang Marine High-efficiency and Healthy Aquaculture, Ningbo University, Ningbo 315211, China
| | - Hao Zhang
- Laboratory of Biochemistry and Molecular Biology, School of Marine Sciences, Ningbo University, Ningbo 315211, China
| | - Ming-Yun Li
- Laboratory of Biochemistry and Molecular Biology, School of Marine Sciences, Ningbo University, Ningbo 315211, China
| | - Jiong Chen
- Laboratory of Biochemistry and Molecular Biology, School of Marine Sciences, Ningbo University, Ningbo 315211, China; Collaborative Innovation Center for Zhejiang Marine High-efficiency and Healthy Aquaculture, Ningbo University, Ningbo 315211, China.
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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: 301] [Impact Index Per Article: 37.6] [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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