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Bela-Ong DB, Thompson KD, Kim HJ, Park SB, Jung TS. CD4 + T lymphocyte responses to viruses and virus-relevant stimuli in teleost fish. FISH & SHELLFISH IMMUNOLOGY 2023; 142:109007. [PMID: 37625734 DOI: 10.1016/j.fsi.2023.109007] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/14/2023] [Revised: 07/31/2023] [Accepted: 08/17/2023] [Indexed: 08/27/2023]
Abstract
Fish diseases caused by viruses are a major threat to aquaculture. Development of disease protection strategies for sustainable fish aquaculture requires a better understanding of the immune mechanisms involved in antiviral defence. The innate and adaptive arms of the vertebrate immune system collaborate to mount an effective defence against viral pathogens. The T lymphocyte components of the adaptive immune system, comprising two major classes (helper T, Th or CD4+ and cytotoxic T lymphocytes, CTLs or CD8+ T cells), are responsible for cell-mediated immune responses. In particular, CD4+ T cells and their different subsets orchestrate the actions of various other immune cells during immune responses, making CD4+ T cells central drivers of responses to pathogens and vaccines. CD4+ T cells are also present in teleost fish. Here we review the literature that reported the use of antibodies against CD4 in a few teleost fish species and transcription profiling of Th cell-relevant genes in the context of viral infections and virus-relevant immunomodulation. Studies reveal massive CD4+ T cell proliferation and expression of key cytokines, transcription factors, and effector molecules that evoke mammalian Th cell responses. We also discuss gaps in the current understanding and evaluation of teleost CD4+ T cell responses and how development and application of novel tools and approaches to interrogate such responses could bridge these gaps. A greater understanding of fish Th cell responses will further illuminate the evolution of vertebrate adaptive immunity, inform strategies to address viral infections in aquaculture, and could further foster fish as model organisms.
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Affiliation(s)
- Dennis Berbulla Bela-Ong
- Laboratory of Aquatic Animal Diseases, Research Institute of Natural Science, College of Veterinary Medicine, Gyeongsang National University, 501-201, 501 Jinju-daero, Jinju-si, Gyeongsangnam-do, 52828, Republic of Korea.
| | - Kim D Thompson
- Moredun Research Institute, Pentlands Science Park, Bush Loan, Penicuik, EH26 0PZ, Scotland, United Kingdom
| | - Hyoung Jun Kim
- WOAH Reference Laboratory for VHS, National Institute of Fisheries Science, Busan, 46083, Republic of Korea
| | - Seong Bin Park
- Coastal Research and Extension Center, Mississippi State University, Pascagula, MS, 39567, USA
| | - Tae Sung Jung
- Laboratory of Aquatic Animal Diseases, Research Institute of Natural Science, College of Veterinary Medicine, Gyeongsang National University, 501-201, 501 Jinju-daero, Jinju-si, Gyeongsangnam-do, 52828, Republic of Korea.
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2
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Crider J, Wilson M, Felch KL, Dupre RA, Quiniou SMA, Bengtén E. A subset of leukocyte immune-type receptors (LITRs) regulates phagocytosis in channel catfish (Ictalurus punctatus) leukocytes. Mol Immunol 2023; 154:33-44. [PMID: 36586386 DOI: 10.1016/j.molimm.2022.12.009] [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: 09/30/2022] [Revised: 12/12/2022] [Accepted: 12/15/2022] [Indexed: 12/31/2022]
Abstract
Channel catfish, Ictalurus punctatus, leukocyte immune-type receptors (LITRs) constitute a large family of paired, immunoregulatory receptors unique to teleosts. A role for LITRs in phagocytosis has been proposed based on studies in mammalian cell lines; however, LITR-mediated phagocytosis has not been examined in the catfish model. In this study, we use two anti-LITR monoclonal antibodies, CC41 and 125.2, to contrast the effects of crosslinking subsets of inhibitory and activating LITRs. Briefly, LITRs expressed by catfish γδ T cells, αβ T cells, and macrophage cell lines were crosslinked using mAb-conjugated fluorescent microbeads, and bead uptake was evaluated by flow cytometry and confirmed by confocal microscopy. A clear difference in the uptake of 125.2- and CC41-conjugated beads was observed. Crosslinking LITRs with mAb 125.2 resulted in efficient bead internalization, while mAb CC41 crosslinking of inhibitory LITRs resulted predominantly in a capturing phenotype. Pretreating catfish macrophages with mAb CC41 resulted in a marked decrease in LITR-mediated phagocytosis of 125.2-conjugated beads. Overall, these findings provide insight into fish immunobiology and validate LITRs as regulators of phagocytosis in catfish macrophages and γδ T cells.
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Affiliation(s)
- Jonathan Crider
- Center for Immunology and Microbial Research, University of Mississippi Medical Center, 2500 North State Street, Jackson, MS 39216, USA; Department of Cell and Molecular Biology, University of Mississippi Medical Center, 2500 North State Street, Jackson, MS 39216, USA.
| | - Melanie Wilson
- Center for Immunology and Microbial Research, University of Mississippi Medical Center, 2500 North State Street, Jackson, MS 39216, USA; Department of Cell and Molecular Biology, University of Mississippi Medical Center, 2500 North State Street, Jackson, MS 39216, USA.
| | - Kristianna L Felch
- Center for Immunology and Microbial Research, University of Mississippi Medical Center, 2500 North State Street, Jackson, MS 39216, USA; Department of Cell and Molecular Biology, University of Mississippi Medical Center, 2500 North State Street, Jackson, MS 39216, USA.
| | - Rebecca A Dupre
- Oak Ridge Institute for Science and Education, US Department of Energy, 1299 Bethel Valley Rd, Oak Ridge, TN 37831-0117, USA; Food Processing and Sensory Quality Unit, USDA-ARS, 1100 Allen Toussaint Blvd, New Orleans, LA 70124, USA.
| | - Sylvie M A Quiniou
- Warmwater Aquaculture Research Unit, USDA-ARS-WARU, P.O. BOX 38, Stoneville, MS 38776, USA.
| | - Eva Bengtén
- Center for Immunology and Microbial Research, University of Mississippi Medical Center, 2500 North State Street, Jackson, MS 39216, USA; Department of Cell and Molecular Biology, University of Mississippi Medical Center, 2500 North State Street, Jackson, MS 39216, USA.
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Quiniou SMA, Crider J, Felch KL, Bengtén E, Boudinot P. Interferons and interferon receptors in the channel catfish, Ictalurus punctatus. FISH & SHELLFISH IMMUNOLOGY 2022; 123:442-452. [PMID: 35304241 DOI: 10.1016/j.fsi.2022.02.019] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/29/2021] [Revised: 02/09/2022] [Accepted: 02/11/2022] [Indexed: 06/14/2023]
Abstract
In this work, we describe the complete repertoire of channel catfish, Ictalurus punctatus, IFNs and IFN receptor genes. Based on multiple genomic and transcriptomic resources we identified 16 type I IFN genes, which represent the six type I IFN subgroups previously defined in salmonids (a-f.) No representatives of subgroup h previously only found in percomorphs were identified. An expansion in copy numbers of subgroup d IFN genes was of particular interest, as this has not been reported in other fish species to date. Furthermore, we confirmed the presence of two type II ifn genes encoding orthologs of IFNγ and the teleost-specific IFNγRel. Six homologs of IFN type I receptor genes were found in an array that shows conserved synteny with human chromosome 21. Three homologs of type II IFN receptor genes were also identified. These type I and type II receptor sequences are compatible with the dual type I IFN receptors, and the potentially more complex type II IFN receptors described in teleosts. Our data provide a comprehensive resource for future studies of channel catfish innate antiviral immunity.
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Affiliation(s)
| | | | | | - Eva Bengtén
- UMMC, Department of Microbiology, 39211, Jackson, MS, USA
| | - Pierre Boudinot
- Université Paris-Saclay, INRAE, UVSQ, VIM, 78350, Jouy-en-Josas, France.
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Crider J, Quiniou SMA, Felch KL, Showmaker K, Bengtén E, Wilson M. A Comprehensive Annotation of the Channel Catfish ( Ictalurus punctatus) T Cell Receptor Alpha/Delta, Beta, and Gamma Loci. Front Immunol 2021; 12:786402. [PMID: 34899754 PMCID: PMC8656973 DOI: 10.3389/fimmu.2021.786402] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2021] [Accepted: 11/05/2021] [Indexed: 12/28/2022] Open
Abstract
The complete germline repertoires of the channel catfish, Ictalurus punctatus, T cell receptor (TR) loci, TRAD, TRB, and TRG were obtained by analyzing genomic data from PacBio sequencing. The catfish TRB locus spans 214 kb, and contains 112 TRBV genes, a single TRBD gene, 31 TRBJ genes and two TRBC genes. In contrast, the TRAD locus is very large, at 1,285 kb. It consists of four TRDD genes, one TRDJ gene followed by the exons for TRDC, 125 TRAJ genes and the exons encoding the TRAC. Downstream of the TRAC, are 140 TRADV genes, and all of them are in the opposite transcriptional orientation. The catfish TRGC locus spans 151 kb and consists of four diverse V-J-C cassettes. Altogether, this locus contains 15 TRGV genes and 10 TRGJ genes. To place our data into context, we also analyzed the zebrafish TR germline gene repertoires. Overall, our findings demonstrated that catfish possesses a more restricted repertoire compared to the zebrafish. For example, the 140 TRADV genes in catfish form eight subgroups based on members sharing 75% nucleotide identity. However, the 149 TRAD genes in zebrafish form 53 subgroups. This difference in subgroup numbers between catfish and zebrafish is best explained by expansions of catfish TRADV subgroups, which likely occurred through multiple, relatively recent gene duplications. Similarly, 112 catfish TRBV genes form 30 subgroups, while the 51 zebrafish TRBV genes are placed into 36 subgroups. Notably, several catfish and zebrafish TRB subgroups share ancestor nodes. In addition, the complete catfish TR gene annotation was used to compile a TR gene segment database, which was applied in clonotype analysis of an available gynogenetic channel catfish transcriptome. Combined, the TR annotation and clonotype analysis suggested that the expressed TRA, TRB, and TRD repertoires were generated by different mechanisms. The diversity of the TRB repertoire depends on the number of TRBV subgroups and TRBJ genes, while TRA diversity relies on the many different TRAJ genes, which appear to be only minimally trimmed. In contrast, TRD diversity relies on nucleotide additions and the utilization of up to four TRDD segments.
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Affiliation(s)
- Jonathan Crider
- Department of Microbiology and Immunology, University of Mississippi Medical Center, Jackson, MS, United States
| | - Sylvie M A Quiniou
- Warmwater Aquaculture Research Unit, United States Department of Agriculture - Agricultural Research Service (USDA-ARS), Stoneville, MS, United States
| | - Kristianna L Felch
- Department of Microbiology and Immunology, University of Mississippi Medical Center, Jackson, MS, United States
| | - Kurt Showmaker
- Department of Pharmacology and Toxicology, University of Mississippi Medical Center, Jackson, MS, United States.,Department of Data Science, John D. Bower School of Population Health, University of Mississippi Medical Center, Jackson, MS, United States
| | - Eva Bengtén
- Department of Microbiology and Immunology, University of Mississippi Medical Center, Jackson, MS, United States
| | - Melanie Wilson
- Department of Microbiology and Immunology, University of Mississippi Medical Center, Jackson, MS, United States
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Natnan ME, Mayalvanan Y, Jazamuddin FM, Aizat WM, Low CF, Goh HH, Azizan KA, Bunawan H, Baharum SN. Omics Strategies in Current Advancements of Infectious Fish Disease Management. BIOLOGY 2021; 10:1086. [PMID: 34827079 PMCID: PMC8614662 DOI: 10.3390/biology10111086] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/21/2021] [Revised: 10/15/2021] [Accepted: 10/18/2021] [Indexed: 12/26/2022]
Abstract
Aquaculture is an important industry globally as it remains one of the significant alternatives of animal protein source supplies for humankind. Yet, the progression of this industry is being dampened by the increasing rate of fish mortality, mainly the outbreak of infectious diseases. Consequently, the regress in aquaculture ultimately results in the economy of multiple countries being affected due to the decline of product yields and marketability. By 2025, aquaculture is expected to contribute approximately 57% of fish consumption worldwide. Without a strategic approach to curb infectious diseases, the increasing demands of the aquaculture industry may not be sustainable and hence contributing to the over-fishing of wild fish. Recently, a new holistic approach that utilizes multi-omics platforms including transcriptomics, proteomics, and metabolomics is unraveling the intricate molecular mechanisms of host-pathogen interaction. This approach aims to provide a better understanding of how to improve the resistance of host species. However, no comprehensive review has been published on multi-omics strategies in deciphering fish disease etiology and molecular regulation. Most publications have only covered particular omics and no constructive reviews on various omics findings across fish species, particularly on their immune systems, have been described elsewhere. Our previous publication reviewed the integration of omics application for understanding the mechanism of fish immune response due to microbial infection. Hence, this review provides a thorough compilation of current advancements in omics strategies for fish disease management in the aquaculture industry. The discovery of biomarkers in various fish diseases and their potential advancement to complement the recent progress in combatting fish disease is also discussed in this review.
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Affiliation(s)
| | | | | | | | | | | | | | | | - Syarul Nataqain Baharum
- Institute of Systems Biology (INBIOSIS), Universiti Kebangsaan Malaysia, UKM, Bangi 43600, Selangor, Malaysia; (M.E.N.); (Y.M.); (F.M.J.); (W.M.A.); (C.-F.L.); (H.-H.G.); (K.A.A.); (H.B.)
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Blackmon LE, Quiniou SMA, Wilson M, Bengtén E. Catfish lymphocytes expressing CC41-reactive leukocyte immune-type receptors (LITRs) proliferate in response to Edwardsiella ictaluri infection in vitro. DEVELOPMENTAL AND COMPARATIVE IMMUNOLOGY 2020; 106:103610. [PMID: 31926174 DOI: 10.1016/j.dci.2020.103610] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/23/2019] [Revised: 12/28/2019] [Accepted: 01/07/2020] [Indexed: 06/10/2023]
Abstract
Monoclonal antibodies (mAbs) CC34 and CC41 recognize overlapping subsets of leukocyte immune-type receptors (LITRs). The mAb CC34 was raised against the clonal TS32.15 cytotoxic T cell line and the mAb CC41 was raised against the clonal NK cell line TS10.1. In this study, an in vitro model was developed to monitor CC34- and CC41-reactive cells in response to Edwardsiella ictaluri infection. Briefly, head kidney leukocytes and peripheral blood lymphocytes (PBL) were isolated from individual catfish and labeled with CellTrace Violet and CellTrace FarRed dye, respectively. Head kidney-derived macrophages were infected with E. ictaluri and then cocultured with autologous PBL. The combined cell cultures were then analyzed using flow cytometry. A significant increase in CC41 staining was observed in the PBL population at 2, 5 and 7 days after culture, which suggest that LITRs are involved in cell-mediated immunity to E. ictaluri.
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Affiliation(s)
- Laura E Blackmon
- Department of Microbiology and Immunology, University of Mississippi Medical Center, 2500 North State St, Jackson, MS, 39216, USA.
| | - Sylvie M A Quiniou
- U.S. Department of Agriculture, Agricultural Research Service, Thad Cochran National Warmwater Aquaculture Center, Warmwater Aquaculture Research Unit, 127 Experiment Station Rd, P. O. Box 38, Stoneville, MS, 38776, USA.
| | - Melanie Wilson
- Department of Microbiology and Immunology, University of Mississippi Medical Center, 2500 North State St, Jackson, MS, 39216, USA.
| | - Eva Bengtén
- Department of Microbiology and Immunology, University of Mississippi Medical Center, 2500 North State St, Jackson, MS, 39216, USA.
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