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Ji JX, Zhang L, Li L, Wang KL, Hou J, Liu LH, Li B, Zhang BD, Li N, Chen SN, Nie P. Molecular cloning and functional analysis of polymeric immunoglobulin receptor, pIgR, gene in mandarin fish Siniperca chuatsi. FISH & SHELLFISH IMMUNOLOGY 2023; 137:108732. [PMID: 37044186 DOI: 10.1016/j.fsi.2023.108732] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/20/2023] [Revised: 03/28/2023] [Accepted: 04/02/2023] [Indexed: 05/22/2023]
Abstract
Polymeric immunoglobulin receptor (pIgR) can bind and transport immunoglobulins (Igs), thus playing a role in mucosal immunity. In this study, pIgR gene was cloned in mandarin fish, Siniperca chuatsi, with the open reading frame (ORF) of 1011 bp, encoding 336 amino acids. The pIgR protein consists of a signal peptide, an extracellular domain, a transmembrane domain and an intracellular region, with the presence of two Ig-like domains (ILDs) in the extracellular domain, as reported in other species of fish. The pIgR gene was expressed in all organs/tissues of healthy mandarin fish, with higher level observed in liver and spleen. Following the immersion infection of Flavobacterium columnare, pIgR transcripts were detected in immune related, especially mucosal tissues, with significantly increased transcription during the first two days of infection. Through transfection of plasmids expressing pIgR, IgT and IgM, pIgR was found to be interacted with IgT and IgM as revealed by co-immunoprecipitation and immunofluorescence.
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Affiliation(s)
- Jia Xiang Ji
- State Key Laboratory of Freshwater Ecology and Biotechnology and Key Laboratory of Aquaculture Disease Control, Institute of Hydrobiology, Chinese Academy of Sciences, Wuhan, Hubei Province, 430072, China
| | - Lin Zhang
- Yangtze River Fisheries Research Institute, Chinese Academy of Fishery Science, Wudayuan First Road 8, Wuhan, Hubei Province, 430023, China
| | - Li Li
- State Key Laboratory of Freshwater Ecology and Biotechnology and Key Laboratory of Aquaculture Disease Control, Institute of Hydrobiology, Chinese Academy of Sciences, Wuhan, Hubei Province, 430072, China
| | - Kai Lun Wang
- State Key Laboratory of Freshwater Ecology and Biotechnology and Key Laboratory of Aquaculture Disease Control, Institute of Hydrobiology, Chinese Academy of Sciences, Wuhan, Hubei Province, 430072, China
| | - Jing Hou
- School of Marine Science and Engineering, Qingdao Agricultural University, Qingdao, Shandong Province, 266109, China
| | - Lan Hao Liu
- School of Marine Science and Engineering, Qingdao Agricultural University, Qingdao, Shandong Province, 266109, China
| | - Bo Li
- School of Marine Science and Engineering, Qingdao Agricultural University, Qingdao, Shandong Province, 266109, China
| | - Bai Dong Zhang
- School of Marine Science and Engineering, Qingdao Agricultural University, Qingdao, Shandong Province, 266109, China
| | - Nan Li
- State Key Laboratory of Freshwater Ecology and Biotechnology and Key Laboratory of Aquaculture Disease Control, Institute of Hydrobiology, Chinese Academy of Sciences, Wuhan, Hubei Province, 430072, China
| | - Shan Nan Chen
- State Key Laboratory of Freshwater Ecology and Biotechnology and Key Laboratory of Aquaculture Disease Control, Institute of Hydrobiology, Chinese Academy of Sciences, Wuhan, Hubei Province, 430072, China.
| | - Pin Nie
- State Key Laboratory of Freshwater Ecology and Biotechnology and Key Laboratory of Aquaculture Disease Control, Institute of Hydrobiology, Chinese Academy of Sciences, Wuhan, Hubei Province, 430072, China; School of Marine Science and Engineering, Qingdao Agricultural University, Qingdao, Shandong Province, 266109, China.
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Comparative Phylogeny of the Mucosa-Associated Lymphoid Tissue. Mucosal Immunol 2015. [DOI: 10.1016/b978-0-12-415847-4.00010-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/11/2023]
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Coevolution of Mucosal Immunoglobulins and the Polymeric Immunoglobulin Receptor: Evidence That the Commensal Microbiota Provided the Driving Force. ACTA ACUST UNITED AC 2014. [DOI: 10.1155/2014/541537] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Abstract
Immunoglobulins (Igs) in mucosal secretions contribute to immune homeostasis by limiting access of microbial and environmental antigens to the body proper, maintaining the integrity of the epithelial barrier and shaping the composition of the commensal microbiota. The emergence of IgM in cartilaginous fish represented the primordial mucosal Ig, which is expressed in all higher vertebrates. Expansion and diversification of the mucosal Ig repertoire led to the emergence of IgT in bony fishes, IgX in amphibians, and IgA in reptiles, birds, and mammals. Parallel evolution of cellular receptors for the constant (Fc) regions of Igs provided mechanisms for their transport and immune effector functions. The most ancient of these Fc receptors is the polymeric Ig receptor (pIgR), which first appeared in an ancestor of bony fishes. The pIgR transports polymeric IgM, IgT, IgX, and IgA across epithelial cells into external secretions. Diversification and refinement of the structure of mucosal Igs during tetrapod evolution were paralleled by structural changes in pIgR, culminating in the multifunctional secretory IgA complex in mammals. In this paper, evidence is presented that the mutualistic relationship between the commensal microbiota and the vertebrate host provided the driving force for coevolution of mucosal Igs and pIgR.
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Feng LN, Lu DQ, Bei JX, Chen JL, Liu Y, Zhang Y, Liu XC, Meng ZN, Wang L, Lin HR. Molecular cloning and functional analysis of polymeric immunoglobulin receptor gene in orange-spotted grouper (Epinephelus coioides). Comp Biochem Physiol B Biochem Mol Biol 2009; 154:282-9. [DOI: 10.1016/j.cbpb.2009.07.003] [Citation(s) in RCA: 55] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2009] [Revised: 06/30/2009] [Accepted: 07/01/2009] [Indexed: 01/14/2023]
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Daly KA, Digby M, Lefèvre C, Mailer S, Thomson P, Nicholas K, Williamson P. Analysis of the expression of immunoglobulins throughout lactation suggests two periods of immune transfer in the tammar wallaby (Macropus eugenii). Vet Immunol Immunopathol 2007; 120:187-200. [PMID: 17727962 DOI: 10.1016/j.vetimm.2007.07.008] [Citation(s) in RCA: 37] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/12/2007] [Revised: 07/09/2007] [Accepted: 07/17/2007] [Indexed: 12/28/2022]
Abstract
Marsupial young are born in an under-developed state without mature immune responses. Prior to the maturation of an immune system, marsupial young are heavily reliant upon immune factors secreted in the milk to defend them against potential microbial pathogens in the environment. In this study, we identified and characterized the immunoglobulin heavy chain constant regions, light chains, polymeric Ig receptor (pIgR), J chain, neonatal Fc receptor (alpha chain) (FcRn) and the chemokine CCL28 from the model marsupial species, the tammar wallaby (Macropus eugenii). Low levels of conservation were seen in motifs in C alpha and C gamma associated with receptor binding and or transcytosis, and this may have potential implications for functionality. We evaluated the expression of immunoglobulin genes in the tammar mammary gland throughout lactation and found that two periods of increased expression of immunoglobulin genes occur. These two periods coincide with the birth of the young, and with its first emergence from the pouch. This increased expression may represent a strategy for maternal immunological protection of the pouch young.
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Affiliation(s)
- Kerry A Daly
- Centre for Advanced Technologies in Animal Genetics and Reproduction, Faculty of Veterinary Science, University of Sydney, NSW 2006, Australia; Cooperative Research Centre for Innovative Dairy Products, Australia
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Hamuro K, Suetake H, Saha NR, Kikuchi K, Suzuki Y. A Teleost Polymeric Ig Receptor Exhibiting Two Ig-Like Domains Transports Tetrameric IgM into the Skin. THE JOURNAL OF IMMUNOLOGY 2007; 178:5682-9. [PMID: 17442951 DOI: 10.4049/jimmunol.178.9.5682] [Citation(s) in RCA: 98] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
Abstract
The skin mucus IgM is an important molecule in the mucosal immune system of teleost skin. However, the transport mechanism associated with this molecule has yet to be clarified. In this study, we isolated a gene encoding a polymeric Ig receptor (pIgR) from a species of teleost fish, Takifugu rubripes (fugu). This gene is known to be an Ig transporter in the intestine of mammals. Our studies further demonstrated that fugu pIgR was expressed in the skin and that a fragment of pIgR bound to tetrameric IgM in the skin mucus. These results indicate that the skin pIgR transports tetrameric IgM into the skin mucus. The fugu pIgR exhibits a unique structure containing only two Ig-like domains corresponding to domain 1 and domain 4/5 of mammalian pIgR. This structure was sufficient for successful binding to tetrameric IgM. Teleost skin thus adopts the same Ig transport system as mammalian intestine via a unique pIgR.
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Affiliation(s)
- Koji Hamuro
- Fisheries Laboratory, Graduate School of Agricultural and Life Sciences, University of Tokyo, 2971-4 Bentenjima, Maisaka, Hamamatsu, Shizuoka, Japan
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Kaetzel CS. The polymeric immunoglobulin receptor: bridging innate and adaptive immune responses at mucosal surfaces. Immunol Rev 2005; 206:83-99. [PMID: 16048543 DOI: 10.1111/j.0105-2896.2005.00278.x] [Citation(s) in RCA: 406] [Impact Index Per Article: 21.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
Secretory antibodies of the immunoglobulin A (IgA) class form the first line of antigen-specific immune protection against inhaled, ingested, and sexually transmitted pathogens and antigens at mucosal surfaces. Epithelial transcytosis of polymeric IgA (pIgA) is mediated by the polymeric immunoglobulin receptor (pIgR). At the apical surface, the extracellular ligand-binding region of pIgR, known as secretory component (SC), is cleaved and released in free form or as a component of secretory IgA (SIgA). SC has innate anti-microbial properties, and it protects SIgA from proteolytic degradation. Expression of pIgR is regulated by microbial products through Toll-like receptor signaling and by host factors such as cytokines and hormones. Recent studies of the structure of the extracellular ligand-binding domain of pIgR have revealed mechanisms by which it binds pIgA and other ligands. During transcytosis, pIgA has been shown to neutralize pathogens and antigens within intracellular vesicular compartments. The recent identification of disease-associated polymorphisms in human pIgR near the cleavage site may help to unravel the mystery of how pIgR is cleaved to SC. The identification of novel functions for SC and SIgA has expanded our view of the immunobiology of pIgR, a key component of the mucosal immune system that bridges innate and adaptive immune defense.
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Affiliation(s)
- Charlotte S Kaetzel
- Department of Microbiology, Immunology and Molecular Genetics, University of Kentucky, Lexington, KY 40536, USA.
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Baudinette RV, Boontheung P, Musgrave IF, Wabnitz PA, Maselli VM, Skinner J, Alewood PF, Brinkworth CS, Bowie JH. An immunomodulator used to protect young in the pouch of the Tammar wallaby, Macropus eugenii. FEBS J 2005; 272:433-43. [PMID: 15654881 DOI: 10.1111/j.1742-4658.2004.04483.x] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
Eugenin [pGluGlnAspTyr(SO(3))ValPheMetHisProPhe-NH(2)] has been isolated from the pouches of female Tammar wallabies (Macropus eugenii) carrying young in the early lactation period. The sequence of eugenin has been determined using a combination of positive and negative ion electrospray mass spectrometry. This compound bears some structural resemblance to the mammalian neuropeptide cholecystokinin 8 [AspTyr(SO(3))MetGlyTrpMetAspPhe-NH(2)] and to the amphibian caerulein peptides [caerulein: pGluGlnAspTyr(SO(3))ThrGlyTrpMetAspPhe-NH(2)]. Eugenin has been synthesized by a route which causes only minor hydrolysis of the sulfate group when the peptide is removed from the resin support. Biological activity tests with eugenin indicate that it contracts smooth muscle at a concentration of 10(-9) M, and enhances the proliferation of splenocytes at 10(-7) M, probably via activation of CCK(2) receptors. The activity of eugenin on splenocytes suggests that it is an immunomodulator peptide which plays a role in the protection of pouch young.
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Affiliation(s)
- Russell V Baudinette
- Department of Environmental Biology, The University of Adelaide, South Australia, 5005
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MacDonald TT, Miller RD. Phylogeny of the Gut-Associated Lymphoid Tissue (GALT). Mucosal Immunol 2005. [DOI: 10.1016/b978-012491543-5/50021-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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Browning TL, Belov K, Miller RD, Eldridge MDB. Molecular cloning and characterization of the polymorphic MHC class II DBB from the tammar wallaby (Macropus eugenii). Immunogenetics 2004; 55:791-5. [PMID: 14752580 DOI: 10.1007/s00251-004-0644-7] [Citation(s) in RCA: 18] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2003] [Revised: 01/06/2004] [Indexed: 10/26/2022]
Abstract
Genes of the major histocompatibility complex (MHC) have been characterized in all extant lineages of mammals. The tammar wallaby (Macropus eugenii) is well established as a model marsupial species; however, no classical MHC sequences have been described from this species. We have isolated two MHC class II beta-chain sequences from a tammar wallaby spleen cDNA library using a tammar MHC class II beta probe. These sequences belong to the marsupial MHC class II DBB gene family. Two additional DBB sequences were amplified from tammar wallaby genomic DNA. All four sequences were obtained from the same individual, indicating that there are at least two DBB loci in the tammar wallaby.
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Affiliation(s)
- Teena L Browning
- Department of Biological Sciences, Macquarie University, 2109 Sydney, NSW, Australia
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Abstract
The lymphoid tissues of the metatherian mammal, the adult tammar wallaby, Macropus eugenii, were investigated using immunohistochemical techniques. Five cross-reactive antibodies previously shown to recognize surface markers in marsupial tissues and five previously untested antibodies were used. The distribution of T-cells in the tissue beds of spleen, lymph node, thymus, gut-associated lymphoid tissue (GALT) and bronchus-associated lymphoid tissue (BALT) was documented using antibodies to CD3 and CD5. Similarly, B-cells were identified in the same tissues using anti-CD79b. Antibodies to CD8, CD31, CD79a and CD68 failed to recognize cells in these tissue beds. In general the pattern of cellular distribution identified using these antibodies was similar to that observed in other marsupial and eutherian lymphoid tissues. This study provides further information on the commonality of lymphoid tissue structure in the two major groups of extant mammals, metatherians and eutherians.
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Affiliation(s)
- Julie M Old
- Co-operative Research Centre for Marsupial Conservation and Management, School of Science, University of Western Sydney, Penrith South DC & NSW, Australia
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