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Zhu Y, Yang G. Identification of an IRF8 gene in common carp (Cyprinus carpio. L) and its regulatory role in immune responses. BMC Vet Res 2025; 21:143. [PMID: 40038681 PMCID: PMC11881467 DOI: 10.1186/s12917-025-04607-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2023] [Accepted: 02/19/2025] [Indexed: 03/06/2025] Open
Abstract
BACKGROUND Interferon (IFN) regulatory factors (IRF) are the crucial transcription factors for IFN expression and leading host cells response to viral infection. IRF8 in mammals plays vital roles in the innate and adaptive immune systems. In this study, we identified and characterized the common carp (Cyprinus carpio. L) IRF8 gene (ccIRF8) to further clarify the function of IRF8 in teleost fish. RESULTS The complete cDNA sequence of ccIRF8 was 1431 bp and encodes a polypeptide of 431 amino acids. Analysis of the putative amino acid sequence showed that ccIRF8 encodes structures typical of the IRF family, including a DNA-binding domain (DBD), an IRF-association domain (IAD) and two nuclear localization signals (NLS). Comparison with homologous proteins showed that the deduced protein has the highest sequence identity to grass carp IRF8 (92.7%). Phylogenetic analysis grouped ccIRF8 with other IRF8s of teleosts. Quantitative RT-PCR analysis showed that ccIRF8 transcripts were detectable in all investigated tissues of healthy fish with the highest level in spleen. Following poly I: C and Aeromonas hydrophila challenge, ccIRF8 transcripts were induced significantly in immune relevant tissues. In addition, ccIRF8 was induced by poly I: C and ipopolysaccharide (LPS), peptidoglycan (PGN) and flagellin in HKLs. Overexpression of ccIRF8 increased the expression of IFN and IFN-stimulated genes (ISGs), and a dual-luciferase reporter assay revealed that ccIRF8 decreased the activation of NF-κB though TRAF6. CONCLUSIONS Overall, our findings provide a new perspective on the role of IRF8 in innate immunity in fish, as well as insights that will help the prevention and control of disease in the common carp farming industry.
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Affiliation(s)
- Yaoyao Zhu
- Key Laboratory of Tropical Marine Fishery Resources Protection and Utilization of Hainan Province, College of Fisheries and Life Science, Hainan Tropical Ocean University, No. 1 Yucai Road, Sanya, 572022, China.
- Hainan Key Laboratory for Conservation and Utilization of Tropical Marine Fishery Resources, Hainan Tropical Ocean University, Sanya, 572022, China.
- Yazhou Bay Innovation Institute, Hainan Tropical Ocean University, Sanya, China.
| | - Guiwen Yang
- Shandong Provincial Key Laboratory of Animal Resistance Biology, College of Life Sciences, Shandong Normal University, No. 88 East Wenhua Road, Jinan, 250014, China.
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Chen Y, Yang H, Wu X, Liu Z, Chen Y, Wei Q, Lin J, Yu Y, Tu Q, Li H. Interferon Regulatory Factors ( IRF1, IRF4, IRF5, IRF7 and IRF9) in Sichuan taimen ( Hucho bleekeri): Identification and Functional Characterization. Genes (Basel) 2024; 15:1418. [PMID: 39596618 PMCID: PMC11593489 DOI: 10.3390/genes15111418] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2024] [Revised: 10/27/2024] [Accepted: 10/30/2024] [Indexed: 11/29/2024] Open
Abstract
Background/Objectives: Interferon regulatory factors (IRFs) are multifunctional transcription factors that play important roles in the transcriptional regulation of interferons and in the immune response to pathogens. Therefore, studying the interferon system in fish is highly relevant in the prevention and treatment of viral diseases. Methods: In this study, five IRF genes (IRF1, IRF4, IRF5, IRF7 and IRF9) were identified and characterized in Hucho bleekeri, and their expression profiles were determined after LPS and Poly(I:C) treatment. Results: These IRFs have typical DNA-binding domains and IRF-association domains. Amino acid sequence comparison revealed high homology between these IRFs and those of other vertebrates, with the highest homology being with other salmonid fish. Phylogenetic analysis revealed that these IRFs are divided into four subfamilies (IRF1, IRF3, IRF4 and IRF5), with both IRF4 and IRF9 belonging to the IRF4 subfamily. IRF genes were widely expressed in all of the tested tissues, with IRF1, IRF4 and IRF9 being highly expressed in the spleen and kidney and IRF5 and IRF7 highly expressed in the gonads. IRF1, IRF4 and IRF5 expression was induced at different time points post-LPS challenge. IRF7 and IRF9 expression in the spleen and head kidney was not significantly altered by LPS induction. Poly(I:C) treatment altered IRF expression more significantly than LPS treatment. Poly(I:C) significantly altered the spleen and head kidney expression of all five IRFs. Conclusions: These findings reveal the potential role of IRFs in the antiviral response of H. bleekeri and provide a reference for examining signal transduction pathways in the interferon system in fish.
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Affiliation(s)
- Yeyu Chen
- Fisheries Research Institute, Sichuan Academy of Agricultural Sciences, Chengdu 611730, China; (Y.C.); (H.Y.); (X.W.); (Z.L.); (Y.C.); (Q.W.); (J.L.); (Y.Y.); (Q.T.)
- Fish Resources and Environment, The Upper Reaches of the Yangtze River Observation and Research Station of Sichuan Province, Chengdu 611730, China
| | - Huanchao Yang
- Fisheries Research Institute, Sichuan Academy of Agricultural Sciences, Chengdu 611730, China; (Y.C.); (H.Y.); (X.W.); (Z.L.); (Y.C.); (Q.W.); (J.L.); (Y.Y.); (Q.T.)
- Fish Resources and Environment, The Upper Reaches of the Yangtze River Observation and Research Station of Sichuan Province, Chengdu 611730, China
| | - Xiaoyun Wu
- Fisheries Research Institute, Sichuan Academy of Agricultural Sciences, Chengdu 611730, China; (Y.C.); (H.Y.); (X.W.); (Z.L.); (Y.C.); (Q.W.); (J.L.); (Y.Y.); (Q.T.)
- Fish Resources and Environment, The Upper Reaches of the Yangtze River Observation and Research Station of Sichuan Province, Chengdu 611730, China
| | - Zhao Liu
- Fisheries Research Institute, Sichuan Academy of Agricultural Sciences, Chengdu 611730, China; (Y.C.); (H.Y.); (X.W.); (Z.L.); (Y.C.); (Q.W.); (J.L.); (Y.Y.); (Q.T.)
- Fish Resources and Environment, The Upper Reaches of the Yangtze River Observation and Research Station of Sichuan Province, Chengdu 611730, China
| | - Yanling Chen
- Fisheries Research Institute, Sichuan Academy of Agricultural Sciences, Chengdu 611730, China; (Y.C.); (H.Y.); (X.W.); (Z.L.); (Y.C.); (Q.W.); (J.L.); (Y.Y.); (Q.T.)
- Fish Resources and Environment, The Upper Reaches of the Yangtze River Observation and Research Station of Sichuan Province, Chengdu 611730, China
| | - Qinyao Wei
- Fisheries Research Institute, Sichuan Academy of Agricultural Sciences, Chengdu 611730, China; (Y.C.); (H.Y.); (X.W.); (Z.L.); (Y.C.); (Q.W.); (J.L.); (Y.Y.); (Q.T.)
- Key Laboratory of Bio-Resources and Eco-Environment of Ministry of Education, College of Life Sciences, Sichuan University, Chengdu 610065, China
| | - Jue Lin
- Fisheries Research Institute, Sichuan Academy of Agricultural Sciences, Chengdu 611730, China; (Y.C.); (H.Y.); (X.W.); (Z.L.); (Y.C.); (Q.W.); (J.L.); (Y.Y.); (Q.T.)
- Fish Resources and Environment, The Upper Reaches of the Yangtze River Observation and Research Station of Sichuan Province, Chengdu 611730, China
| | - Yi Yu
- Fisheries Research Institute, Sichuan Academy of Agricultural Sciences, Chengdu 611730, China; (Y.C.); (H.Y.); (X.W.); (Z.L.); (Y.C.); (Q.W.); (J.L.); (Y.Y.); (Q.T.)
- Fish Resources and Environment, The Upper Reaches of the Yangtze River Observation and Research Station of Sichuan Province, Chengdu 611730, China
| | - Quanyu Tu
- Fisheries Research Institute, Sichuan Academy of Agricultural Sciences, Chengdu 611730, China; (Y.C.); (H.Y.); (X.W.); (Z.L.); (Y.C.); (Q.W.); (J.L.); (Y.Y.); (Q.T.)
- Fish Resources and Environment, The Upper Reaches of the Yangtze River Observation and Research Station of Sichuan Province, Chengdu 611730, China
| | - Hua Li
- Fisheries Research Institute, Sichuan Academy of Agricultural Sciences, Chengdu 611730, China; (Y.C.); (H.Y.); (X.W.); (Z.L.); (Y.C.); (Q.W.); (J.L.); (Y.Y.); (Q.T.)
- Fish Resources and Environment, The Upper Reaches of the Yangtze River Observation and Research Station of Sichuan Province, Chengdu 611730, China
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He HX, Guo HY, Liu BS, Zhang N, Zhu KC, Zhang DC. Two IFNa3s mediate the regulation of IRF9 in the process of infection with Streptococcus iniae in yellowfin seabream, Acanthopagrus latus (Hottuyn, 1782). DEVELOPMENTAL AND COMPARATIVE IMMUNOLOGY 2024; 156:105167. [PMID: 38574830 DOI: 10.1016/j.dci.2024.105167] [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: 11/27/2023] [Revised: 03/20/2024] [Accepted: 03/20/2024] [Indexed: 04/06/2024]
Abstract
IRF9 can play an antibacterial role by regulating the type I interferon (IFN) pathway. Streptococcus iniae can cause many deaths of yellowfin seabream, Acanthopagrus latus in pond farming. Nevertheless, the regulatory mechanism of type I IFN signalling by A. latus IRF9 (AlIRF9) against S. iniae remains elucidated. In our study, AlIRF9 has a total cDNA length of 3200 bp and contains a 1311 bp ORF encoding a presumed 436 amino acids (aa). The genomic DNA sequence of AlIRF9 has nine exons and eight introns, and AlIRF9 was expressed in various tissues, containing the stomach, spleen, brain, skin, and liver, among which the highest expression was in the spleen. Moreover, AlIRF9 transcriptions in the spleen, liver, kidney, and brain were increased by S. iniae infection. By overexpression of AlIRF9, AlIRF9 is shown as a whole-cell distribution, mainly concentrated in the nucleus. Moreover, the promoter fragments of -415 to +192 bp and -311 to +196 bp were regarded as core sequences from two AlIFNa3s. The point mutation analyses verified that AlIFNa3 and AlIFNa3-like transcriptions are dependent on both M3 sites with AlIRF9. In addition, AlIRF9 could greatly reduce two AlIFNa3s and interferon signalling factors expressions. These results showed that in A. latus, both AlIFNa3 and AlIFNa3-like can mediate the regulation of AlIRF9 in the process of infection with S. iniae.
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Affiliation(s)
- Hong-Xi He
- Key Laboratory of South China Sea Fishery Resources Exploitation and Utilization, Ministry of Agriculture and Rural Affairs, South China Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences, Guangzhou, 510300, China.
| | - Hua-Yang Guo
- Key Laboratory of South China Sea Fishery Resources Exploitation and Utilization, Ministry of Agriculture and Rural Affairs, South China Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences, Guangzhou, 510300, China; Guangdong Provincial Engineer Technology Research Center of Marine Biological Seed Industry, Guangzhou, 510300, China; Sanya Tropical Fisheries Research Institute, Sanya, 510300, China.
| | - Bao-Suo Liu
- Key Laboratory of South China Sea Fishery Resources Exploitation and Utilization, Ministry of Agriculture and Rural Affairs, South China Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences, Guangzhou, 510300, China; Guangdong Provincial Engineer Technology Research Center of Marine Biological Seed Industry, Guangzhou, 510300, China; Sanya Tropical Fisheries Research Institute, Sanya, 510300, China.
| | - Nan Zhang
- Key Laboratory of South China Sea Fishery Resources Exploitation and Utilization, Ministry of Agriculture and Rural Affairs, South China Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences, Guangzhou, 510300, China; Guangdong Provincial Engineer Technology Research Center of Marine Biological Seed Industry, Guangzhou, 510300, China; Sanya Tropical Fisheries Research Institute, Sanya, 510300, China.
| | - Ke-Cheng Zhu
- Key Laboratory of South China Sea Fishery Resources Exploitation and Utilization, Ministry of Agriculture and Rural Affairs, South China Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences, Guangzhou, 510300, China; Guangdong Provincial Engineer Technology Research Center of Marine Biological Seed Industry, Guangzhou, 510300, China; Sanya Tropical Fisheries Research Institute, Sanya, 510300, China.
| | - Dian-Chang Zhang
- Key Laboratory of South China Sea Fishery Resources Exploitation and Utilization, Ministry of Agriculture and Rural Affairs, South China Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences, Guangzhou, 510300, China; Guangdong Provincial Engineer Technology Research Center of Marine Biological Seed Industry, Guangzhou, 510300, China; Sanya Tropical Fisheries Research Institute, Sanya, 510300, China.
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Periyasamy T, Ming-Wei L, Velusamy S, Ahamed A, Khan JM, Pappuswamy M, Viswakethu V. Functional characterization of Malabar grouper (Epinephelus malabaricus) interferon regulatory factor 9 involved in antiviral response. Int J Biol Macromol 2024; 266:131282. [PMID: 38565369 DOI: 10.1016/j.ijbiomac.2024.131282] [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: 12/28/2023] [Revised: 03/27/2024] [Accepted: 03/29/2024] [Indexed: 04/04/2024]
Abstract
IRF9 is a crucial component in the JAK-STAT pathway. IRF9 interacts with STAT1 and STAT2 to form IFN-I-stimulated gene factor 3 (ISGF3) in response to type I IFN stimulation, which promotes ISG transcription. However, the mechanism by which IFN signaling regulates Malabar grouper (Epinephelus malabaricus) IRF9 is still elusive. Here, we explored the nd tissue-specific mRNA distribution of the MgIRF9 gene, as well as its antiviral function in E. malabaricus. MgIRF9 encodes a protein of 438 amino acids with an open reading frame of 1317 base pairs. MgIRF9 mRNA was detected in all tissues of a healthy M. grouper, with the highest concentrations in the muscle, gills, and brain. It was significantly up-regulated by nervous necrosis virus infection and poly (I:C) stimulation. The gel mobility shift test demonstrated a high-affinity association between MgIRF9 and the promoter of zfIFN in vitro. In GK cells, grouper recombinant IFN-treated samples showed a significant response in ISGs and exhibited antiviral function. Subsequently, overexpression of MgIRF9 resulted in a considerable increase in IFN and ISGs mRNA expression (ADAR1, ADAR1-Like, and ADAR2). Co-immunoprecipitation studies demonstrated that MgIRF9 and STAT2 can interact in vivo. According to the findings, M. grouper IRF9 may play a role in how IFN signaling induces ISG gene expression in grouper species.
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Affiliation(s)
- Thirunavukkarasu Periyasamy
- Laboratory of Molecular Virology and Immunology, Department of Aquaculture, The College of Life Science, National Taiwan Ocean University, Keelung 202, Taiwan; Department of Biotechnology, Nehru Arts and Science College, Coimbatore 641105, Tamil Nadu, India.
| | - Lu Ming-Wei
- Laboratory of Molecular Virology and Immunology, Department of Aquaculture, The College of Life Science, National Taiwan Ocean University, Keelung 202, Taiwan; Center of Excellence for the Oceans, National Taiwan Ocean University, Keelung 202, Taiwan
| | - Sharmila Velusamy
- Department of Biotechnology, Nehru Arts and Science College, Coimbatore 641105, Tamil Nadu, India
| | - Anis Ahamed
- Department of Botany and Microbiology, College of Science, King Saud University, P.O. Box 2455, Riyadh 11451, Saudi Arabia
| | - Javed Masood Khan
- Department of Food Science and Nutrition, College of Food and Agricultural Sciences, King Saud University, Riyadh 11451, Saudi Arabia
| | - Manikantan Pappuswamy
- Department of Life Sciences, CHRIST (Deemed to be University), Bangalore, Karnataka 560029, India
| | - Velavan Viswakethu
- Department of Biotechnology, Nehru Arts and Science College, Coimbatore 641105, Tamil Nadu, India
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Esteban MÁ. A review of soluble factors and receptors involved in fish skin immunity: The tip of the iceberg. FISH & SHELLFISH IMMUNOLOGY 2024; 145:109311. [PMID: 38128682 DOI: 10.1016/j.fsi.2023.109311] [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: 09/21/2023] [Revised: 12/12/2023] [Accepted: 12/14/2023] [Indexed: 12/23/2023]
Abstract
The immune system of fish possesses soluble factors, receptors, pathways and cells very similar to those of the other vertebrates' immune system. Throughout evolutionary history, the exocrine secretions of organisms have accumulated a large reservoir of soluble factors that serve to protect organisms from microbial pathogens that could disrupt mucosal barrier homeostasis. In parallel, a diverse set of recognition molecules have been discovered that alert the organism to the presence of pathogens. The known functions of both the soluble factors and receptors mentioned above encompass critical aspects of host defense, such as pathogen binding and neutralization, opsonization, or modulation of inflammation if present. The molecules and receptors cooperate and are able to initiate the most appropriate immune response in an attempt to eliminate pathogens before host infection can begin. Furthermore, these recognition molecules, working in coordination with soluble defence factors, collaboratively erect a robust and perfectly coordinated defence system with complementary specificity, activity and tissue distribution. This intricate network constitutes an immensely effective defence mechanism for fish. In this context, the present review focuses on some of the main soluble factors and recognition molecules studied in the last decade in the skin mucosa of teleost fish. However, knowledge of these molecules is still very limited in all teleosts. Therefore, further studies are suggested throughout the review that would help to better understand the functions in which the proteins studied are involved.
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Affiliation(s)
- María Ángeles Esteban
- Immunobiology for Aquaculture Group, Department of Cell Biology and Histology, Faculty of Biology, University of Murcia, 30100, Murcia, Spain.
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6
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Jiang X, Ren W, Tian L, Ge Y, Li C, Hu X, Shi L, Jia Z. IRF9 inhibits CyHV-3 replication by regulating the PI3K-AKT signalling pathway in common carp (Cyprinus carpio) epithelial cells. DEVELOPMENTAL AND COMPARATIVE IMMUNOLOGY 2023; 148:104905. [PMID: 37549834 DOI: 10.1016/j.dci.2023.104905] [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: 06/19/2023] [Revised: 07/27/2023] [Accepted: 08/02/2023] [Indexed: 08/09/2023]
Abstract
Interferon regulatory factor 9 (IRF9) is an important transcriptional regulator involved in innate and adaptive immunity. Cyprinid herpesvirus-3 (CyHV-3) is a virus causing widespread death and great economic loss in farmed common carp (Cyprinus carpio). However, the effect of IRF9 on CyHV-3 infection in common carp has not been reported. In this study, during CyHV-3 infection, IRF9 overexpression in common carp fin epithelial (CCF) cells significantly reduced the expression of viral factor thymidine kinase (TK) and open reading frame 72 (ORF72), and knockdown of IRF9 produced the opposite results (p < 0.05). In CCF cells. The IRF9 protein was expression in the nucleus and was rapidly induced in CCF cells by CyHV-3 infection. In addition, several genes associated with virus infection, including type I interferon (IFNI), IFN-stimulated gene 15 (ISG15), myxovirus resistance 1 (Mx1) and Viperin were induced in CCF cells overexpressing IRF9 upon CyHV-3 infection. IRF9 overexpression induced by CyHV-3 infection significantly increased the gene expression of Mx1 and phosphoinositide 3-kinase (PI3K) and the protein expression of protein kinase B (AKT) (p < 0.01). Interestingly, IRF9 did not significantly affect Mx1 gene expression when AKT protein levels remained unchanged during CyHV-3 infection of CCF cells. Furthermore, a significant resistance-related locus was found in the IRF9 sequence in "Longke-11" mirror carp (M11) and Yellow River carp (p < 0.05). These results indicated that IRF9 inhibited viral replication by upregulating the expression of Mx1 via the PI3K-AKT signalling pathway during CyHV-3 infection in CCF cells and provide some basis for the study of the antiviral molecular mechanisms of common carp.
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Affiliation(s)
- Xiaona Jiang
- Heilongjiang River Fisheries Research Institute, Chinese Academy of Fishery Sciences, Harbin, China; Key Laboratory of Freshwater Aquatic Biotechnology and Breeding, Ministry of Agriculture and Rural Affairs, Harbin, China
| | - Wanying Ren
- Heilongjiang River Fisheries Research Institute, Chinese Academy of Fishery Sciences, Harbin, China; Key Laboratory of Freshwater Aquatic Biotechnology and Breeding, Ministry of Agriculture and Rural Affairs, Harbin, China
| | - Lijing Tian
- Heilongjiang River Fisheries Research Institute, Chinese Academy of Fishery Sciences, Harbin, China; Key Laboratory of Freshwater Aquatic Biotechnology and Breeding, Ministry of Agriculture and Rural Affairs, Harbin, China
| | - Yanlong Ge
- Heilongjiang River Fisheries Research Institute, Chinese Academy of Fishery Sciences, Harbin, China; Key Laboratory of Freshwater Aquatic Biotechnology and Breeding, Ministry of Agriculture and Rural Affairs, Harbin, China
| | - Chitao Li
- Heilongjiang River Fisheries Research Institute, Chinese Academy of Fishery Sciences, Harbin, China; Key Laboratory of Freshwater Aquatic Biotechnology and Breeding, Ministry of Agriculture and Rural Affairs, Harbin, China
| | - Xuesong Hu
- Heilongjiang River Fisheries Research Institute, Chinese Academy of Fishery Sciences, Harbin, China; Key Laboratory of Freshwater Aquatic Biotechnology and Breeding, Ministry of Agriculture and Rural Affairs, Harbin, China
| | - Lianyu Shi
- Heilongjiang River Fisheries Research Institute, Chinese Academy of Fishery Sciences, Harbin, China; Key Laboratory of Freshwater Aquatic Biotechnology and Breeding, Ministry of Agriculture and Rural Affairs, Harbin, China
| | - Zhiying Jia
- Heilongjiang River Fisheries Research Institute, Chinese Academy of Fishery Sciences, Harbin, China; Key Laboratory of Freshwater Aquatic Biotechnology and Breeding, Ministry of Agriculture and Rural Affairs, Harbin, China.
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Liang Y, Liu R, Zhang J, Chen Y, Shan S, Zhu Y, Yang G, Li H. Negative regulation of interferon regulatory factor 6 (IRF6) in interferon and NF-κB signalling pathways of common carp (Cyprinus carpio L.). BMC Vet Res 2022; 18:433. [PMID: 36503433 PMCID: PMC9743528 DOI: 10.1186/s12917-022-03538-4] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2022] [Accepted: 11/30/2022] [Indexed: 12/14/2022] Open
Abstract
BACKGROUND Interferon (IFN) regulatory factors (IRFs) is a kind of transcription factors, which play an important role in regulating the expression of type I IFN and related genes. In mammals, IRF6 is not relevant with IFN expression, while zebrafish IRF6 was reported to be a positive regulator of IFN expression and could be phosphorylated by both MyD88 and TBK1. However, the role of IRF6 in the immune response and IFN transcription of common carp is unknown. RESULTS In the present study, the cDNA of IRF6 gene (CcIRF6) was cloned from common carp using RACE technique, with a total length of 1905 bp, encoding 471 amino acid residues, which possesses two functional domains of DBD and IAD. Similarity analysis showed that CcIRF6 had more than 50% similarity with IRFs of other vertebrates, and had the highest similarity with grass carp and zebrafish, among which the DBD domain was much more conserved. The phylogenetic analysis showed that CcIRF6 is in the branch of Osteichthyes and has the closest relationship with grass carp. In healthy common carp, the CcIRF6 was expressed in all the examined tissues, with the highest level in the oral epithelium, and the lowest level in the head kidney. After intraperitoneal injection of poly(I:C) or Aeromonas hydrophila, the expression of CcIRF6 increased in spleen, head kidney, foregut and hindgut of common carp. Moreover, poly(I:C), LPS, PGN and flagellin induced the expression of CcIRF6 in peripheral leukocytes and head kidney leukocytes of common carp in vitro. In EPC cells, CcIRF6 inhibited the expression of some IFN-related genes and pro-inflammatory cytokines, and dual luciferase reporter assay showed that CcIRF6 reduced the activity of IFN and NF-κB reporter genes. CONCLUSIONS The present study suggests that CcIRF6 is involved in the antiviral and antibacterial immune response of common carp, and negatively regulate the expression of IFN and NF-κB signalling pathways, which provides a theoretical basis for the study and prevention of fish disease pathogenesis.
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Affiliation(s)
- Yaxin Liang
- grid.410585.d0000 0001 0495 1805Shandong Provincial Key Laboratory of Animal Resistance Biology, College of Life Sciences, Shandong Normal University, No. 88 East Wenhua Road, Jinan, 250014 China
| | - Rongrong Liu
- grid.410585.d0000 0001 0495 1805Shandong Provincial Key Laboratory of Animal Resistance Biology, College of Life Sciences, Shandong Normal University, No. 88 East Wenhua Road, Jinan, 250014 China
| | - Jiahui Zhang
- grid.410585.d0000 0001 0495 1805Shandong Provincial Key Laboratory of Animal Resistance Biology, College of Life Sciences, Shandong Normal University, No. 88 East Wenhua Road, Jinan, 250014 China
| | - Yixin Chen
- grid.410585.d0000 0001 0495 1805Shandong Provincial Key Laboratory of Animal Resistance Biology, College of Life Sciences, Shandong Normal University, No. 88 East Wenhua Road, Jinan, 250014 China
| | - Shijuan Shan
- grid.410585.d0000 0001 0495 1805Shandong Provincial Key Laboratory of Animal Resistance Biology, College of Life Sciences, Shandong Normal University, No. 88 East Wenhua Road, Jinan, 250014 China
| | - Yaoyao Zhu
- grid.449397.40000 0004 1790 3687College of Fisheries and Life Science, Hainan Tropical Ocean University, No. 1 Yucai Road, Sanya, 572022 China
| | - Guiwen Yang
- grid.410585.d0000 0001 0495 1805Shandong Provincial Key Laboratory of Animal Resistance Biology, College of Life Sciences, Shandong Normal University, No. 88 East Wenhua Road, Jinan, 250014 China
| | - Hua Li
- grid.410585.d0000 0001 0495 1805Shandong Provincial Key Laboratory of Animal Resistance Biology, College of Life Sciences, Shandong Normal University, No. 88 East Wenhua Road, Jinan, 250014 China
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Zhao H, Wang H, Liu R, Liang Y, Li K, Shan S, An L, Yang G, Li H. Activation of the NLRP1 inflammasome and its ligand recognition in the antibacterial immune response of common carp (Cyprinus carpio). FISH & SHELLFISH IMMUNOLOGY 2022; 125:238-246. [PMID: 35588906 DOI: 10.1016/j.fsi.2022.05.019] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/17/2022] [Revised: 04/27/2022] [Accepted: 05/10/2022] [Indexed: 06/15/2023]
Abstract
NLRP1 (NLR family pyrin domain containing 1) is the first member of NOD-like receptors (NLRs) which can form inflammasome and play critical roles in innate immunity and pathogenesis of various diseases. To date, many NLRs and inflammasome-related genes have been identified in teleost, however, the activation of NLRP1 inflammasome is only found in zebrafish, and the activator of fish NLRP1 is unclear. In the present study, the activation of CcNLRP1 inflammasome and its function in innate immune defence of common carp was investigated. The expression of CcNLRP1 was induced in immune-related tissues of common carp upon challenge with Edwardsiella tarda and Aeromonas hydrophila. The colocalization of CcNLRP1 and CcASC, ASC oligomerization, and interaction between CcNLRP1CARD and CcASC was observed in 293T, Hela and EPC cells, suggesting that the CcNLRP1 inflammasome was activated in common carp. Furthermore, we found that MDP may be the specific ligand of CcNLRP1, which can activate the CcNLRP1 inflammasome. Taken together, the present study identifies a new inflammasome in common carp, and is beneficial to the control of infectious diseases in carp farming.
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Affiliation(s)
- Huaping Zhao
- Shandong Provincial Key Laboratory of Animal Resistance Biology, College of Life Sciences, Shandong Normal University, No. 88 East Wenhua Road, Jinan, 250014, PR China
| | - Hui Wang
- Shandong Provincial Key Laboratory of Animal Resistance Biology, College of Life Sciences, Shandong Normal University, No. 88 East Wenhua Road, Jinan, 250014, PR China
| | - Rongrong Liu
- Shandong Provincial Key Laboratory of Animal Resistance Biology, College of Life Sciences, Shandong Normal University, No. 88 East Wenhua Road, Jinan, 250014, PR China
| | - Yaxin Liang
- Shandong Provincial Key Laboratory of Animal Resistance Biology, College of Life Sciences, Shandong Normal University, No. 88 East Wenhua Road, Jinan, 250014, PR China
| | - Kaimin Li
- Shandong Provincial Key Laboratory of Animal Resistance Biology, College of Life Sciences, Shandong Normal University, No. 88 East Wenhua Road, Jinan, 250014, PR China
| | - Shijuan Shan
- Shandong Provincial Key Laboratory of Animal Resistance Biology, College of Life Sciences, Shandong Normal University, No. 88 East Wenhua Road, Jinan, 250014, PR China
| | - Liguo An
- Shandong Provincial Key Laboratory of Animal Resistance Biology, College of Life Sciences, Shandong Normal University, No. 88 East Wenhua Road, Jinan, 250014, PR China
| | - Guiwen Yang
- Shandong Provincial Key Laboratory of Animal Resistance Biology, College of Life Sciences, Shandong Normal University, No. 88 East Wenhua Road, Jinan, 250014, PR China.
| | - Hua Li
- Shandong Provincial Key Laboratory of Animal Resistance Biology, College of Life Sciences, Shandong Normal University, No. 88 East Wenhua Road, Jinan, 250014, PR China.
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Zhu Y, Yang G. Molecular identification and functional characterization of IRF4 from common carp (Cyprinus carpio. L) in immune response: a negative regulator in the IFN and NF-κB signalling pathways. BMC Vet Res 2022; 18:106. [PMID: 35300694 PMCID: PMC8928632 DOI: 10.1186/s12917-022-03205-8] [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: 01/06/2022] [Accepted: 03/07/2022] [Indexed: 12/03/2022] Open
Abstract
Background The interferon (IFN) regulatory factors (IRFs) were originally identified as transcription factors playing critical roles in the regulation of IFN-related genes in the signal pathway. In mammals, IRF4 plays a vital role in both the innate and adaptive immune system. This study aims to reveal the molecular characterization, phylogenetic analysis, expression profiles and the regulatory role in the IFN and NF-κB signalling pathways of IRF4 in common carp (Cyprinus carpio. L) (abbreviation, ccIRF4). Results Here, ccIRF4 was identified and characterized, it contained a DNA binding domain (DBD) which possess five tryptophans and an IRF-associated domain (IAD). The predicted protein sequence of the ccIRF4 showed higher identities with grass carp (Ctenopharyngodon idella) and zebrafish (Danio rerio). Phylogenetic analysis suggested that ccIRF4 has the closest relationship with zebrafish IRF4. Quantitative real-time PCR analysis showed that ccIRF4 was constitutively expressed in all investigated tissues with the highest expression level in the gonad. Polyinosinic:polycytidylic acid (poly I:C) stimulation up-regulated the ccIRF4 expressions in the liver, spleen, head kidney, skin, foregut and hindgut. Upon Aeromonas hydrophila injection, the expression level of ccIRF4 was up-regulated in all tissues with the exception of spleen. In addition, ccIRF4 was induced by lipopolysaccharide (LPS), peptidoglycan (PGN) and Flagellin in head kidney leukocytes (HKLs). Overexpression of the ccIRF4 gene in epithelioma papulosum cyprini cells (EPC) down regulated the expressions of IFN-related genes and proinflammatory factors. Dual-luciferase reporter assay revealed that ccIRF4 decreased the activation of NF-κB through MyD88. Conclusions These results indicate that ccIRF4 participates in both antiviral and antibacterial immune response and negatively regulates the IFN and NF-κB response. Overall, our study on ccIRF4 provides more new insights into the innate immune system of common carp as well as a theoretical basis for investigating the pathogenesis and prevention of fish disease.
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Affiliation(s)
- Yaoyao Zhu
- Key Laboratory of Tropical Marine Fishery Resources Protection and Utilization of Hainan Province, College of Fisheries and Life Science, Hainan Tropical Ocean University, No. 1 Yucai Road, Sanya, 572022, China. .,Hainan Key Laboratory for Conservation and Utilization of Tropical Marine Fishery Resources, Hainan Tropical Ocean University, Sanya, 572022, China.
| | - Guiwen Yang
- Shandong Provincial Key Laboratory of Animal Resistance Biology, College of Life Sciences, Shandong Normal University, No. 88 East Wenhua Road, Jinan, 250014, China.
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10
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Abstract
Cytokines belong to the most widely studied group of intracellular molecules involved in the function of the immune system. Their secretion is induced by various infectious stimuli. Cytokine release by host cells has been extensively used as a powerful tool for studying immune reactions in the early stages of viral and bacterial infections. Recently, research attention has shifted to the investigation of cytokine responses using mRNA expression, an essential mechanism related to pathogenic and nonpathogenic-immune stimulants in fish. This review represents the current knowledge of cytokine responses to infectious diseases in the common carp (Cyprinus carpio L.). Given the paucity of literature on cytokine responses to many infections in carp, only select viral diseases, such as koi herpesvirus disease (KHVD), spring viremia of carp (SVC), and carp edema virus disease (CEVD), are discussed. Aeromonas hydrophila is one of the most studied bacterial pathogens associated with cytokine responses in common carp. Therefore, the cytokine-based immunoreactivity raised by this specific bacterial pathogen is also highlighted in this review.
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Arjmand B, Khodadost M, Jahani Sherafat S, Rezaei Tavirani M, Ahmadi N, Hamzeloo Moghadam M, Okhovatian F, Rezaei Tavirani S. The Principal Role of Several Members of HLA and IRF Genes in Prevention of Oral Mucositis After Chemoradiotherapy. J Lasers Med Sci 2021; 12:e65. [DOI: 10.34172/jlms.2021.65] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2021] [Accepted: 07/20/2021] [Indexed: 12/19/2022]
Abstract
Introduction: One of the chemoradiotherapy (CRT) side effects is oral mucositis (OM). Since photobiomodulation therapy (PBMT) is a public method for the repair process, in the present study the mechanism of PBMT in the prevention of OM is investigated via the bioinformatics approach. Methods: Six validated and significant differentially expressed genes (DEGs) associated with the prevention of OM in head and neck cancer (HNC) patients who had experienced CRT were extracted from the literature. After adding 50 neighbors from STRING, the network was constructed and analyzed. The results of the action map and network analysis were compared and discussed. Results: HLA gene family were identified as central nodes of the analyzed network. Based on action map finding, activation is prominent action and IRF9 was the potent activator. The role of the IRF gene family was highlighted by action map analysis. Conclusion: Regulation of the immune system by HLA and IRF genes family is a crucial factor in the prevention of OM in the studied patients.
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Affiliation(s)
- Babak Arjmand
- Cell Therapy and Regenerative Medicine Research Center, Endocrinology and Metabolism Molecular-Cellular Sciences Institute, Tehran University of Medical Sciences, Tehran, Iran
| | - Mahmood Khodadost
- School of Traditional Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Somayeh Jahani Sherafat
- Laser Application in Medical Sciences Research Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Mostafa Rezaei Tavirani
- Proteomics Research Center, Faculty of Paramedical Sciences, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Nayebali Ahmadi
- Proteomics Research Center, Faculty of Paramedical Sciences, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Maryam Hamzeloo Moghadam
- Traditional Medicine and Materia Medica Research Center, School of Traditional Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Farshad Okhovatian
- Physiotherapy Research Centre, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Sina Rezaei Tavirani
- Proteomics Research Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran
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12
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Li H, Chen X, Zhu Y, Liu R, Zheng L, Shan S, Zhang F, An L, Yang G. Molecular characterization and immune functional analysis of IRF2 in common carp (Cyprinus carpio L.): different regulatory role in the IFN and NF-κB signalling pathway. BMC Vet Res 2021; 17:303. [PMID: 34503504 PMCID: PMC8428054 DOI: 10.1186/s12917-021-03012-7] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/08/2021] [Accepted: 09/02/2021] [Indexed: 01/05/2023] Open
Abstract
BACKGROUND Interferon regulatory factor 2 (IRF2) is an important transcription factor, which can regulate the IFN response and plays a role in antiviral innate immunity in teleost. RESULTS In the present study, the full-length cDNA sequence of IRF2 (CcIRF2) was characterized in common carp (Cyprinus carpio L.), which encoded a protein containing a conserved DNA-binding domain (DBD) and an IRF-associated domain (IAD). Phylogenetic analysis showed that CcIRF2 was most closely related with IRF2 of Ctenopharyngodon idella. CcIRF2 transcripts were detectable in all examined tissues, with higher expression in the gills, spleen and brain. CcIRF2 expression was upregulated in immune-related tissues of common carp upon polyinosinic:polycytidylic acid (poly (I:C)) and Aeromonas hydrophila stimulation and induced by poly (I:C), lipopolysaccharide (LPS), peptidoglycan (PGN) and flagellin in the peripheral blood leucocytes (PBLs) and head kidney leukocytes (HKLs). In addition, overexpression of CcIRF2 decreased the expression of IFN and IFN-stimulated genes (ISGs), and a dual-luciferase reporter assay revealed that CcIRF2 could increase the activation of NF-κB. CONCLUSIONS These results indicate that CcIRF2 participates in antiviral and antibacterial immune response and negatively regulates the IFN response, which provide a new insight into the regulation of IFN system in common carp, and are helpful for the prevention and control of infectious diseases in carp farming.
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Affiliation(s)
- Hua Li
- Shandong Provincial Key Laboratory of Animal Resistance Biology, College of Life Sciences, Shandong Normal University, No. 88 East Wenhua Road, Jinan, 250014, China.
| | - Xinping Chen
- Shandong Provincial Key Laboratory of Animal Resistance Biology, College of Life Sciences, Shandong Normal University, No. 88 East Wenhua Road, Jinan, 250014, China
| | - Yaoyao Zhu
- College of Fisheries and Life Science, Hainan Tropical Ocean University, No. 1 Yucai Road, Sanya, 572022, China
| | - Rongrong Liu
- Shandong Provincial Key Laboratory of Animal Resistance Biology, College of Life Sciences, Shandong Normal University, No. 88 East Wenhua Road, Jinan, 250014, China
| | - Linlin Zheng
- Jinan Eco-environmental Monitoring Center of Shandong Province, No. 17199 Lvyou Road, Jinan, 250101, China
| | - Shijuan Shan
- Shandong Provincial Key Laboratory of Animal Resistance Biology, College of Life Sciences, Shandong Normal University, No. 88 East Wenhua Road, Jinan, 250014, China
| | - Fumiao Zhang
- Shandong Provincial Key Laboratory of Animal Resistance Biology, College of Life Sciences, Shandong Normal University, No. 88 East Wenhua Road, Jinan, 250014, China
| | - Liguo An
- Shandong Provincial Key Laboratory of Animal Resistance Biology, College of Life Sciences, Shandong Normal University, No. 88 East Wenhua Road, Jinan, 250014, China
| | - Guiwen Yang
- Shandong Provincial Key Laboratory of Animal Resistance Biology, College of Life Sciences, Shandong Normal University, No. 88 East Wenhua Road, Jinan, 250014, China.
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Xu J, Yang N, Xie T, Yang G, Chang L, Yan D, Li T. Summary and comparison of the perforin in teleosts and mammals: A review. Scand J Immunol 2021; 94:e13047. [PMID: 33914954 DOI: 10.1111/sji.13047] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/05/2020] [Revised: 04/14/2021] [Accepted: 04/23/2021] [Indexed: 12/18/2022]
Abstract
Perforin, a pore-forming glycoprotein, has been demonstrated to play key roles in clearing virus-infected cells and tumour cells due to its ability of forming 'pores' on the cell membranes. Additionally, perforin is also found to be associated with human diseases such as tumours, virus infections, immune rejection and some autoimmune diseases. Until now, plenty of perforin genes have been identified in vertebrates, especially the mammals and teleost fish. Conversely, vertebrate homologue of perforin gene was not identified in the invertebrates. Although recently there have been several reviews focusing on perforin and granzymes in mammals, no one highlighted the current advances of perforin in the other vertebrates. Here, in addition to mammalian perforin, the structure, evolution, tissue distribution and function of perforin in bony fish are summarized, respectively, which will allow us to gain more insights into the perforin in lower animals and the evolution of this important pore-forming protein across vertebrates.
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Affiliation(s)
- Jiahui Xu
- School of Agriculture, Ludong University, Yantai, China
| | - Ning Yang
- School of Agriculture, Ludong University, Yantai, China
| | - Ting Xie
- School of Agriculture, Ludong University, Yantai, China
| | - Guiwen Yang
- Shandong Provincial Key Laboratory of Animal Resistance Biology, College of Life Sciences, Shandong Normal University, Jinan, China
| | - Linrui Chang
- School of Agriculture, Ludong University, Yantai, China
| | - Dongchun Yan
- School of Agriculture, Ludong University, Yantai, China
| | - Ting Li
- School of Agriculture, Ludong University, Yantai, China
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Zhu Y, Shan S, Zhao H, Liu R, Wang H, Chen X, Yang G, Li H. Identification of an IRF10 gene in common carp (Cyprinus carpio L.) and analysis of its function in the antiviral and antibacterial immune response. BMC Vet Res 2020; 16:450. [PMID: 33213475 PMCID: PMC7678311 DOI: 10.1186/s12917-020-02674-z] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/25/2020] [Accepted: 11/09/2020] [Indexed: 12/17/2022] Open
Abstract
Background Interferon (IFN) regulatory factors (IRFs), as transcriptional regulatory factors, play important roles in regulating the expression of type I IFN and IFN- stimulated genes (ISGs) in innate immune responses. In addition, they participate in cell growth and development and regulate oncogenesis. Results In the present study, the cDNA sequence of IRF10 in common carp (Cyprinus carpio L.) was characterized (abbreviation, CcIRF10). The predicted protein sequence of CcIRF10 shared 52.7–89.2% identity with other teleost IRF10s and contained a DNA-binding domain (DBD), a nuclear localization signal (NLS) and an IRF-associated domain (IAD). Phylogenetic analysis showed that CcIRF10 had the closest relationship with IRF10 of Ctenopharyngodon idella. CcIRF10 transcripts were detectable in all examined tissues, with the highest expression in the gonad and the lowest expression in the head kidney. CcIRF10 expression was upregulated in the spleen, head kidney, foregut and hindgut upon polyinosinic:polycytidylic acid (poly I:C) and Aeromonas hydrophila stimulation and induced by poly I:C, lipopolysaccharide (LPS) and peptidoglycan (PGN) in peripheral blood leucocytes (PBLs) and head kidney leukocytes (HKLs) of C. carpio. In addition, overexpression of CcIRF10 was able to decrease the expression of the IFN and IFN-stimulated genes PKR and ISG15. Conclusions These results indicate that CcIRF10 participates in antiviral and antibacterial immunity and negatively regulates the IFN response, which provides new insights into the IFN system of C. carpio. Supplementary Information The online version contains supplementary material available at 10.1186/s12917-020-02674-z.
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Affiliation(s)
- Yaoyao Zhu
- Shandong Provincial Key Laboratory of Animal Resistance Biology, College of Life Sciences, Shandong Normal University, No. 88 East Wenhua Road, Jinan, 250014, China.,College of Fisheries and Life Science, Hainan Tropical Ocean University, No. 1 Yucai Road, Sanya, 572022, China
| | - Shijuan Shan
- Shandong Provincial Key Laboratory of Animal Resistance Biology, College of Life Sciences, Shandong Normal University, No. 88 East Wenhua Road, Jinan, 250014, China
| | - Huaping Zhao
- Shandong Provincial Key Laboratory of Animal Resistance Biology, College of Life Sciences, Shandong Normal University, No. 88 East Wenhua Road, Jinan, 250014, China
| | - Rongrong Liu
- Shandong Provincial Key Laboratory of Animal Resistance Biology, College of Life Sciences, Shandong Normal University, No. 88 East Wenhua Road, Jinan, 250014, China
| | - Hui Wang
- Shandong Provincial Key Laboratory of Animal Resistance Biology, College of Life Sciences, Shandong Normal University, No. 88 East Wenhua Road, Jinan, 250014, China
| | - Xinping Chen
- Shandong Provincial Key Laboratory of Animal Resistance Biology, College of Life Sciences, Shandong Normal University, No. 88 East Wenhua Road, Jinan, 250014, China
| | - Guiwen Yang
- Shandong Provincial Key Laboratory of Animal Resistance Biology, College of Life Sciences, Shandong Normal University, No. 88 East Wenhua Road, Jinan, 250014, China.
| | - Hua Li
- Shandong Provincial Key Laboratory of Animal Resistance Biology, College of Life Sciences, Shandong Normal University, No. 88 East Wenhua Road, Jinan, 250014, China.
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