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Wang QQ, Zhou GZ, Wu KL, Yang YR, Li HJ, Ding J, Liu X, Li CX, Zhang L, Li SH, Zhang RX. Activation of RIG-I signaling in the early stage of Paragonimus proliferus infection causes lung injury via type I immune response in rat. J Infect Dev Ctries 2024; 18:464-472. [PMID: 38635624 DOI: 10.3855/jidc.18863] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/10/2023] [Accepted: 11/03/2023] [Indexed: 04/20/2024] Open
Abstract
Paragonimiasis is a common zoonotic parasitic disease. The retinoic acid-inducible gene I (RIG-I) signaling is very important for the host to recognize invading pathogens (especially viruses and bacteria). However, the role of RIG-I signaling in the early stages of P. proliferus infection remains unclear. Therefore, in this study, Sprague-Dawley (SD) rat models with lung damage caused by P. proliferus were established. Experimental methods including Enzyme-linked Immuno Sorbent Assay (ELISA), real-time fluorescent quantitative polymerase chain reaction (PCR), western blotting, and hematoxylin and eosin (HE) staining were used to explore the mechanisms of lung injury caused by P. proliferus. As a result, the expression of the mRNA and proteins of RIG-I signal-related key target molecules, including RIG-I, tumor necrosis factor (TNF) receptor associated factor 6 (TRAF6), interferon regulatory Factor 7 (IRF7), IPS-1, and downstream C-X-C chemokine ligand 10 (CXCL10), were significantly up-regulated immediately after infection, peaked at 3 or 7 days, and showed a downward trend on after 14 days. The levels of pro-inflammatory cytokines interleukin-1 (IL-1), interferon (IFN)-α, -β, and -γ, which represent type 1 immune response, gradually increased and reached a peak by 14 days, which was consistent with the changes in the degree of inflammatory damage observed under HE staining of lung tissues. In conclusion, RIG-I signaling is activated in the early stage (before 14 days) of P. proliferus infection, it is inferred that the lung injury of the host may be related to the activation of RIG-I like signaling to induce type I immune response.
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Affiliation(s)
- Qing-Qing Wang
- Department of Hepatology 1, The Third People's Hospital of Kunming/Yunnan Clinical Center for Infectious Diseases, Kunming, China
| | - Guo-Zhong Zhou
- Office of Academic Research, The First People's Hospital of Anning, Anning, China
| | - Kun-Li Wu
- Department of Hepatology 1, The Third People's Hospital of Kunming/Yunnan Clinical Center for Infectious Diseases, Kunming, China
| | - Yong-Rui Yang
- Department of Hepatology 1, The Third People's Hospital of Kunming/Yunnan Clinical Center for Infectious Diseases, Kunming, China
| | - Hong-Juan Li
- Department of Hepatology 1, The Third People's Hospital of Kunming/Yunnan Clinical Center for Infectious Diseases, Kunming, China
| | - Jie Ding
- Department of Hepatology 1, The Third People's Hospital of Kunming/Yunnan Clinical Center for Infectious Diseases, Kunming, China
| | - Xing Liu
- Department of Hepatology 1, The Third People's Hospital of Kunming/Yunnan Clinical Center for Infectious Diseases, Kunming, China
| | - Chong-Xi Li
- Department of Hepatology 1, The Third People's Hospital of Kunming/Yunnan Clinical Center for Infectious Diseases, Kunming, China
| | - Lu Zhang
- School of Public Health, Dali University, Dali City, China
| | - Sheng-Hao Li
- Department of Hepatology 1, The Third People's Hospital of Kunming/Yunnan Clinical Center for Infectious Diseases, Kunming, China
| | - Rui-Xian Zhang
- Department of Disease Control and Prevention, The First People's Hospital of Yunnan Province / The Affiliated Hospital of Kunming University of Science and Technology, Kunming, China
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Rao SS, Lunde HS, Dolan DWP, Fond AK, Petersen K, Haugland GT. Transcriptome-wide analyses of early immune responses in lumpfish leukocytes upon stimulation with poly(I:C). Front Immunol 2023; 14:1198211. [PMID: 37388730 PMCID: PMC10300353 DOI: 10.3389/fimmu.2023.1198211] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2023] [Accepted: 05/26/2023] [Indexed: 07/01/2023] Open
Abstract
Background Both bacterial and viral diseases are a major threat to farmed fish. As the antiviral immune mechanisms in lumpfish (Cyclopterus lumpus L.) are poorly understood, lumpfish leukocytes were stimulated with poly(I:C), a synthetic analog of double stranded RNA, which mimic viral infections, and RNA sequencing was performed. Methods To address this gap, we stimulated lumpfish leukocytes with poly(I:C) for 6 and 24 hours and did RNA sequencing with three parallels per timepoint. Genome guided mapping was performed to define differentially expressed genes (DEGs). Results Immune genes were identified, and transcriptome-wide analyses of early immune responses showed that 376 and 2372 transcripts were significantly differentially expressed 6 and 24 hours post exposure (hpe) to poly(I:C), respectively. The most enriched GO terms when time had been accounted for, were immune system processes (GO:0002376) and immune response (GO:0006955). Analysis of DEGs showed that among the most highly upregulated genes were TLRs and genes belonging to the RIG-I signaling pathway, including LGP2, STING and MX, as well as IRF3 and IL12A. RIG-I was not identified, but in silico analyses showed that genes encoding proteins involved in pathogen recognition, cell signaling, and cytokines of the TLR and RIG-I signaling pathway are mostly conserved in lumpfish when compared to mammals and other teleost species. Conclusions Our analyses unravel the innate immune pathways playing a major role in antiviral defense in lumpfish. The information gathered can be used in comparative studies and lay the groundwork for future functional analyses of immune and pathogenicity mechanisms. Such knowledge is also necessary for the development of immunoprophylactic measures for lumpfish, which is extensively cultivated for use as cleaner fish in the aquaculture for removal of sea lice from Atlantic salmon (Salmo salar L.).
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Affiliation(s)
- Shreesha S. Rao
- Department of Biological Sciences, Bergen High-Technology Centre, University of Bergen, Bergen, Norway
| | - Harald S. Lunde
- Department of Biological Sciences, Bergen High-Technology Centre, University of Bergen, Bergen, Norway
| | - David W. P. Dolan
- Computational Biology Unit, Department of Informatics, University of Bergen, Bergen, Norway
| | - Amanda K. Fond
- Department of Biological Sciences, Bergen High-Technology Centre, University of Bergen, Bergen, Norway
| | - Kjell Petersen
- Computational Biology Unit, Department of Informatics, University of Bergen, Bergen, Norway
| | - Gyri T. Haugland
- Department of Biological Sciences, Bergen High-Technology Centre, University of Bergen, Bergen, Norway
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Han J, Chu Q, Huo R, Xu T. Inducible microRNA-122 modulates RIG-I signaling pathway via targeting DAK in miiuy croaker after poly(I:C) stimulation. Dev Comp Immunol 2018; 78:52-60. [PMID: 28923593 DOI: 10.1016/j.dci.2017.09.011] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/30/2017] [Revised: 09/12/2017] [Accepted: 09/13/2017] [Indexed: 06/07/2023]
Abstract
MicroRNA-122 (miR-122) was originally identified in mouse and then lots of researches on miR-122 had been performed in mammals. However, the functional study of miR-122 were restricted in fish. In miiuy croaker, miR-122 is sensitive to poly(I:C) stimulation. In this study, a combination of bioinformatics and experimental techniques were used to investigate the functions of miR-122. DAK is a putative target gene of miR-122 which was predicted by bioinformatics, and further the luciferase reporter assays were used to confirm the target sites in DAK 3'untranslated region. The inhibiting effect of miR-122 mimics or pre-miR-122 on DAK presented the dose and time dependent manners, and the pre-miR-122 showed stronger inhibiting effect on DAK than the miR-122 mimics. Therefore, the miR-122 participate in regulating RIG-I-like receptors signaling pathway via inhibiting DAK which is the inhibitors of MDA5. The expression of miR-122 and DAK showed negative relationship in both miiuy croaker spleen and macrophages, which imply that miR-122 may regulate DAK at the post-transcriptional level. These results will enhance our understanding about the regulation of miRNAs on immune response in fish.
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Affiliation(s)
- Jingjing Han
- Laboratory of Fish Biogenetics & Immune Evolution, College of Marine Science, Zhejiang Ocean University, Zhoushan, 316022, China
| | - Qing Chu
- Laboratory of Fish Biogenetics & Immune Evolution, College of Marine Science, Zhejiang Ocean University, Zhoushan, 316022, China
| | - Ruixuan Huo
- Laboratory of Fish Biogenetics & Immune Evolution, College of Marine Science, Zhejiang Ocean University, Zhoushan, 316022, China
| | - Tianjun Xu
- Laboratory of Fish Biogenetics & Immune Evolution, College of Marine Science, Zhejiang Ocean University, Zhoushan, 316022, China.
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Wang K, Lai C, Gu H, Zhao L, Xia M, Yang P, Wang X. miR-194 Inhibits Innate Antiviral Immunity by Targeting FGF2 in Influenza H1N1 Virus Infection. Front Microbiol 2017; 8:2187. [PMID: 29163456 PMCID: PMC5674008 DOI: 10.3389/fmicb.2017.02187] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/04/2017] [Accepted: 10/25/2017] [Indexed: 01/07/2023] Open
Abstract
Fibroblast growth factor 2 (FGF2 or basic FGF) regulates a wide range of cell biological functions including proliferation, angiogenesis, migration, differentiation, and injury repair. However, the roles of FGF2 and the underlying mechanisms of action in influenza A virus (IAV)-induced lung injury remain largely unexplored. In this study, we report that microRNA-194-5p (miR-194) expression is significantly decreased in A549 alveolar epithelial cells (AECs) following infection with IAV/Beijing/501/2009 (BJ501). We found that miR-194 can directly target FGF2, a novel antiviral regulator, to suppress FGF2 expression at the mRNA and protein levels. Overexpression of miR-194 facilitated IAV replication by negatively regulating type I interferon (IFN) production, whereas reintroduction of FGF2 abrogated the miR-194-induced effects on IAV replication. Conversely, inhibition of miR-194 alleviated IAV-induced lung injury by promoting type I IFN antiviral activities in vivo. Importantly, FGF2 activated the retinoic acid-inducible gene I signaling pathway, whereas miR-194 suppressed the phosphorylation of tank binding kinase 1 and IFN regulatory factor 3. Our findings suggest that the miR-194-FGF2 axis plays a vital role in IAV-induced lung injury, and miR-194 antagonism might be a potential therapeutic target during IAV infection.
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Affiliation(s)
- Keyu Wang
- State Key Laboratory of Pathogen and Biosecurity, Beijing Institute of Microbiology and Epidemiology, Beijing, China
| | - Chengcai Lai
- State Key Laboratory of Pathogen and Biosecurity, Beijing Institute of Microbiology and Epidemiology, Beijing, China
| | - Hongjing Gu
- State Key Laboratory of Pathogen and Biosecurity, Beijing Institute of Microbiology and Epidemiology, Beijing, China
| | - Lingna Zhao
- State Key Laboratory of Pathogen and Biosecurity, Beijing Institute of Microbiology and Epidemiology, Beijing, China
| | - Min Xia
- State Key Laboratory of Pathogen and Biosecurity, Beijing Institute of Microbiology and Epidemiology, Beijing, China
| | - Penghui Yang
- State Key Laboratory of Pathogen and Biosecurity, Beijing Institute of Microbiology and Epidemiology, Beijing, China.,Beijing 302 Hospital, Beijing, China
| | - Xiliang Wang
- State Key Laboratory of Pathogen and Biosecurity, Beijing Institute of Microbiology and Epidemiology, Beijing, China
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Wang FP, Zhang PA, Yang XY. Relationship between sex hormones and RIG-I signaling in peripheral blood mononuclear cells of patients infected with hepatitis C virus. Exp Ther Med 2017; 14:2728-2732. [PMID: 28962219 DOI: 10.3892/etm.2017.4829] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2017] [Accepted: 07/14/2017] [Indexed: 01/22/2023] Open
Abstract
It has previously been suggested that men and women demonstrate differing immune responses to hepatitis C virus (HCV) infection, resulting in the investigation of the role of sex hormones and if they influence the anti-HCV response. The present study aimed to examine if hormone levels were associated with interferon (IFN) signaling pathways in peripheral blood mononuclear cells of 131 patients infected with HCV and 113 healthy controls. HCV infection was diagnosed based on the presence of anti-HCV antibodies and HCV RNA in serum. Expression of testosterone and estrogen was measured at the protein level using a competitive chemiluminescence immunoassay, and at the mRNA level using reverse transcription-quantitative polymerase chain reaction. HCV-infected males had increased levels of estrogen and a decreased ratio of testosterone to estrogen compared with healthy male controls (all P<0.001). HCV-infected patients demonstrated a significantly decreased expression of IFN and retinoic acid-induced gene protein I (RIG-I), RIG-I mRNA compared with controls. Pearson correlation analysis revealed that among males, levels of RIG-I correlated with levels of IFN-β mRNA (r=0.460), testosterone (r=-0.500), and the ratio of testosterone to estrogen (r=-0.477; all P<0.001). However, levels of RIG-I did not correlate with levels of IFN-α mRNA (r=0.158) or estrogen (r=0.173; both P>0.05). These results suggested that testosterone or the ratio of testosterone to estrogen may inhibit RIG-I signaling and thereby influence immune responses to HCV infection.
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Affiliation(s)
- Fang Ping Wang
- Department of Clinical Laboratory, Renmin Hospital of Wuhan University, Wuhan, Hubei 430060, P.R. China
| | - Ping An Zhang
- Department of Clinical Laboratory, Renmin Hospital of Wuhan University, Wuhan, Hubei 430060, P.R. China
| | - Xiao Yan Yang
- Department of Clinical Laboratory, Renmin Hospital of Wuhan University, Wuhan, Hubei 430060, P.R. China
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Pang LL, Yuan XH, Shao CS, Li MZ, Wang Y, Wang HM, Xie GC, Xie ZP, Yuan Y, Zhou DM, Sun XM, Zhang Q, Xin Y, Li DD, Duan ZJ. The suppression of innate immune response by human rhinovirus C. Biochem Biophys Res Commun 2017; 490:22-28. [PMID: 28576493 DOI: 10.1016/j.bbrc.2017.05.169] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2017] [Accepted: 05/29/2017] [Indexed: 12/20/2022]
Abstract
Rhinovirus C (RV-C), a newly identified group of human rhinoviruses (RVs), is associated with exacerbation of severe asthma. The type I interferon (IFN) response induced by this virus and the mechanisms of evasion of IFN-mediated innate immunity for RV-C remain unclear. In this study, we constructed a full-length cDNA clone of RV-C (LZ651) from a clinical sample. IFN-β mRNA and protein levels were not elevated in differentiated Human bronchial epithelial (HBE) cells at the air-liquid interface infected with RV-C, except in the early stage of infection. The ability to attenuate IFN-β activation was ascribed to 3Cpro of RV-C, and the 40-His site of 3Cpro played an important role. Furthermore, RIG-I was degraded by 3Cpro in a caspase-dependent manner and 3Cpro cleaved MAVS at 148 Q/A, which inhibited IFN signaling. Taken together, our results demonstrate the mechanism by which RV-C circumvents the production of type I IFN in infected cells.
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Affiliation(s)
- Li-Li Pang
- National Institute for Viral Disease Control and Prevention, Chinese Center for Disease Control and Prevention, Beijing 102206, China
| | - Xin-Hui Yuan
- The First Hospital of Lanzhou University, Lanzhou 730000, China
| | - Chang-Sheng Shao
- Anhui Engineering Research Center of Recombinant Protein Pharmaceutical Biotechnology, Institute of Advanced Technology, University of Science and Technology of China, Hefei 230026, China
| | - Mao-Zhong Li
- National Institute for Viral Disease Control and Prevention, Chinese Center for Disease Control and Prevention, Beijing 102206, China; Institute for Immunization and Prevention, Beijing CDC, Beijing 100013, China
| | - Ying Wang
- National Institute for Viral Disease Control and Prevention, Chinese Center for Disease Control and Prevention, Beijing 102206, China; Basic Medical College, Inner Mongolia Medical University, Hohhot 010000, China
| | - Hui-Min Wang
- National Institute for Viral Disease Control and Prevention, Chinese Center for Disease Control and Prevention, Beijing 102206, China; Basic Medical College, Inner Mongolia Medical University, Hohhot 010000, China
| | - Guang-Cheng Xie
- National Institute for Viral Disease Control and Prevention, Chinese Center for Disease Control and Prevention, Beijing 102206, China; Department of Pathogenic Biology, Chengde Medical University, Chengde 067000, China
| | - Zhi-Ping Xie
- National Institute for Viral Disease Control and Prevention, Chinese Center for Disease Control and Prevention, Beijing 102206, China
| | - Yue Yuan
- National Institute for Viral Disease Control and Prevention, Chinese Center for Disease Control and Prevention, Beijing 102206, China; Basic Medical College, Inner Mongolia Medical University, Hohhot 010000, China
| | - Dong-Mei Zhou
- National Institute for Viral Disease Control and Prevention, Chinese Center for Disease Control and Prevention, Beijing 102206, China
| | - Xiao-Man Sun
- National Institute for Viral Disease Control and Prevention, Chinese Center for Disease Control and Prevention, Beijing 102206, China
| | - Qing Zhang
- National Institute for Viral Disease Control and Prevention, Chinese Center for Disease Control and Prevention, Beijing 102206, China
| | - Yan Xin
- Basic Medical College, Inner Mongolia Medical University, Hohhot 010000, China
| | - Dan-di Li
- National Institute for Viral Disease Control and Prevention, Chinese Center for Disease Control and Prevention, Beijing 102206, China.
| | - Zhao-Jun Duan
- National Institute for Viral Disease Control and Prevention, Chinese Center for Disease Control and Prevention, Beijing 102206, China.
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