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Tse BCY, Bergamin S, Steffen P, Hruby G, Pavlakis N, Clarke SJ, Evans J, Engel A, Kneebone A, Molloy MP. CD11c + and IRF8 + cell densities in rectal cancer biopsies predict outcomes of neoadjuvant chemoradiotherapy. Oncoimmunology 2023; 12:2238506. [PMID: 37485033 PMCID: PMC10361136 DOI: 10.1080/2162402x.2023.2238506] [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] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2022] [Revised: 07/09/2023] [Accepted: 07/16/2023] [Indexed: 07/25/2023] Open
Abstract
Approximately 20% of locally advanced rectal cancer (LARC) patients treated preoperatively with chemoradiotherapy (CRT) achieve pathologically confirmed complete regression. However, there are no clinically implemented biomarkers measurable in biopsies that are predictive of tumor regression. Here, we conducted multiplexed immunophenotyping of rectal cancer diagnostic biopsies from 16 LARC patients treated preoperatively with CRT. We identified that patients with greater tumor regression had higher tumor infiltration of pan-T cells and IRF8+HLA-DR+ cells prior to CRT. High IRF8+HLA-DR+ cell density was further associated with prolonged disease-specific survival with 83% survival at 5 y compared to 28% in patients with low infiltration. Contrastingly, low CD11c+ myeloid cell infiltration prior to CRT was a putative biomarker associated with longer 3- and 5-y disease-free survival. The results demonstrate the potential use of rectal cancer diagnostic biopsies to measure IRF8+ HLA-DR+ cells as predictors of CRT-induced tumor regression and CD11c+ myeloid cells as predictors of LARC patient survival.
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Affiliation(s)
- Benita C. Y. Tse
- Bowel Cancer and Biomarker Laboratory, School of Medical Sciences, Faculty of Medicine and Health, The University of Sydney, Camperdown, Australia
| | - Sarah Bergamin
- Department of Radiation Oncology, Royal North Shore Hospital, Sydney, Australia
| | - Pascal Steffen
- Bowel Cancer and Biomarker Laboratory, School of Medical Sciences, Faculty of Medicine and Health, The University of Sydney, Camperdown, Australia
| | - George Hruby
- Department of Radiation Oncology, Royal North Shore Hospital, Sydney, Australia
| | - Nick Pavlakis
- Department of Medical Oncology, Royal North Shore Hospital, Sydney, Australia
- Sydney Medical School, Faculty of Medicine and Health, University of Sydney, Camperdown, Australia
| | - Stephen J. Clarke
- Department of Medical Oncology, Royal North Shore Hospital, Sydney, Australia
- Sydney Medical School, Faculty of Medicine and Health, University of Sydney, Camperdown, Australia
| | - Justin Evans
- Colorectal Surgical Unit, Royal North Shore Hospital, Sydney, Australia
| | - Alexander Engel
- Sydney Medical School, Faculty of Medicine and Health, University of Sydney, Camperdown, Australia
- Colorectal Surgical Unit, Royal North Shore Hospital, Sydney, Australia
| | - Andrew Kneebone
- Department of Radiation Oncology, Royal North Shore Hospital, Sydney, Australia
- Sydney Medical School, Faculty of Medicine and Health, University of Sydney, Camperdown, Australia
| | - Mark P. Molloy
- Bowel Cancer and Biomarker Laboratory, School of Medical Sciences, Faculty of Medicine and Health, The University of Sydney, Camperdown, Australia
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Lin Z, Xie X, Gu M, Chen Q, Lu G, Jia X, Xiao W, Zhang J, Yu D, Gong W. microRNA-144/451 decreases dendritic cell bioactivity via targeting interferon-regulatory factor 5 to limit DSS-induced colitis. Front Immunol 2022; 13:928593. [PMID: 35967345 PMCID: PMC9372465 DOI: 10.3389/fimmu.2022.928593] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2022] [Accepted: 07/08/2022] [Indexed: 11/28/2022] Open
Abstract
The microRNAs miR-144/451 are highly conserved miRNA that is strongly induced during erythropoiesis. Despite the biological functions of miR-144/451 have been extensively studied in erythropoiesis and tumorigenesis, few studies have been conducted in immune responses. In this study, we showed that miR-144/451-/- DCs exhibit increased activation. Mechanistically, the miR-144 directly targets the 3`-UTR of IRF5 and represses the expression of IRF5 in DCs. Ectopic expression of miR-144/451 by lentiviruses downregulates the levels of IRF5 and suppresses DCs function. In addition, knockdown of IRF5 by shRNA significantly inhibits activities of the miR-144/451-/- DCs. Expression of miR144/451 was decreased in DCs from both patients with IBD and mice with DSS-colitis compared with controls. Human PBMC derived DCs were downregulated expression of miR144/451 after LPS stimulation. In the DSS-induced colitis mice model, we showed that ablation of the miR-144/451 gene causes severe colitis, and their DCs from both periphery and MLN expressed higher co-stimulatory molecules and pro-inflammatory cytokines than wild-type mice. In addition, DCs isolated from miR-144/451-/- mice transfusion exacerbates mice colitis. In the bone marrow transplanted chimeric mice model, we show that miR-144/451-/- bone marrow transplantation deteriorated DSS-induced colitis. At last, we treat the mice with miR-144/451 delivered by chitosan nanoparticles revealing protective effects in DSS-induced colitis mice. Thus, our results reveal a novel miR144/451-IRF5 pathway in DCs that protects experimental colitis. The manipulation of miR-144/451 expression and DCs activation in IBD patients may be a novel therapeutic approach for the treatment of inflammatory diseases.
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Affiliation(s)
- Zhijie Lin
- Department of Immunology, Institute of Translational Medicine, Medical College, Yangzhou University, Yangzhou, China
- Jiangsu Key Laboratory of Experimental & Translational Non-coding RNA Research, Yangzhou University, Yangzhou, China
| | - Xiaoyan Xie
- Department of Immunology, Institute of Translational Medicine, Medical College, Yangzhou University, Yangzhou, China
| | - Min Gu
- Department of Immunology, Institute of Translational Medicine, Medical College, Yangzhou University, Yangzhou, China
| | - Qian Chen
- Department of Immunology, Institute of Translational Medicine, Medical College, Yangzhou University, Yangzhou, China
| | - Guotao Lu
- Department of Gastroenterology, Affiliated Hospital of Yangzhou University, Yangzhou University, Yangzhou, China
| | - Xiaoqin Jia
- Jiangsu Key Laboratory of Integrated Traditional Chinese and Western Medicine for Prevention and Treatment of Senile Diseases, Yangzhou University, Yangzhou, China
| | - Weiming Xiao
- Department of Gastroenterology, Affiliated Hospital of Yangzhou University, Yangzhou University, Yangzhou, China
| | - Jun Zhang
- Department of Blood Transfusion, Affiliated Hospital of Yangzhou University, Yangzhou University, Yangzhou, China
| | - Duonan Yu
- Jiangsu Key Laboratory of Experimental & Translational Non-coding RNA Research, Yangzhou University, Yangzhou, China
- *Correspondence: Weijuan Gong, ; Duonan Yu,
| | - Weijuan Gong
- Department of Immunology, Institute of Translational Medicine, Medical College, Yangzhou University, Yangzhou, China
- Jiangsu Key Laboratory of Experimental & Translational Non-coding RNA Research, Yangzhou University, Yangzhou, China
- Department of Gastroenterology, Affiliated Hospital of Yangzhou University, Yangzhou University, Yangzhou, China
- Jiangsu Key Laboratory of Integrated Traditional Chinese and Western Medicine for Prevention and Treatment of Senile Diseases, Yangzhou University, Yangzhou, China
- Jiangsu Key Laboratory of Zoonosis, Jiangsu Co-innovation Center for Prevention and Control of Important Animal Infectious Diseases and Zoonoses, Yangzhou University, Yangzhou, China
- *Correspondence: Weijuan Gong, ; Duonan Yu,
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3
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Yang C, Bachu M, Du Y, Brauner C, Yuan R, Ah Kioon MD, Chesi G, Barrat FJ, Ivashkiv LB. CXCL4 synergizes with TLR8 for TBK1-IRF5 activation, epigenomic remodeling and inflammatory response in human monocytes. Nat Commun 2022; 13:3426. [PMID: 35701499 PMCID: PMC9195402 DOI: 10.1038/s41467-022-31132-7] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2021] [Accepted: 06/06/2022] [Indexed: 01/11/2023] Open
Abstract
Regulation of endosomal Toll-like receptor (TLR) responses by the chemokine CXCL4 is implicated in inflammatory and fibrotic diseases, with CXCL4 proposed to potentiate TLR responses by binding to nucleic acid TLR ligands and facilitating their endosomal delivery. Here we report that in human monocytes/macrophages, CXCL4 initiates signaling cascades and downstream epigenomic reprogramming that change the profile of the TLR8 response by selectively amplifying inflammatory gene transcription and interleukin (IL)-1β production, while partially attenuating the interferon response. Mechanistically, costimulation by CXCL4 and TLR8 synergistically activates TBK1 and IKKε, repurposes these kinases towards an inflammatory response via coupling with IRF5, and activates the NLRP3 inflammasome. CXCL4 signaling, in a cooperative and synergistic manner with TLR8, induces chromatin remodeling and activates de novo enhancers associated with inflammatory genes. Our findings thus identify new regulatory mechanisms of TLR responses relevant for cytokine storm, and suggest targeting the TBK1-IKKε-IRF5 axis may be beneficial in inflammatory diseases.
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Affiliation(s)
- Chao Yang
- HSS Research Institute and David Z. Rosensweig Genomics Research Center, Hospital for Special Surgery, New York, NY, USA
| | - Mahesh Bachu
- HSS Research Institute and David Z. Rosensweig Genomics Research Center, Hospital for Special Surgery, New York, NY, USA
| | - Yong Du
- HSS Research Institute and David Z. Rosensweig Genomics Research Center, Hospital for Special Surgery, New York, NY, USA
| | - Caroline Brauner
- HSS Research Institute and David Z. Rosensweig Genomics Research Center, Hospital for Special Surgery, New York, NY, USA
| | - Ruoxi Yuan
- HSS Research Institute and David Z. Rosensweig Genomics Research Center, Hospital for Special Surgery, New York, NY, USA
| | - Marie Dominique Ah Kioon
- HSS Research Institute and David Z. Rosensweig Genomics Research Center, Hospital for Special Surgery, New York, NY, USA
| | - Giancarlo Chesi
- HSS Research Institute and David Z. Rosensweig Genomics Research Center, Hospital for Special Surgery, New York, NY, USA
| | - Franck J Barrat
- HSS Research Institute and David Z. Rosensweig Genomics Research Center, Hospital for Special Surgery, New York, NY, USA
- Immunology and Microbial Pathogenesis Program, Weill Cornell Medicine, New York, NY, USA
- Department of Microbiology and Immunology, Weill Cornell Medicine, New York, NY, USA
| | - Lionel B Ivashkiv
- HSS Research Institute and David Z. Rosensweig Genomics Research Center, Hospital for Special Surgery, New York, NY, USA.
- Immunology and Microbial Pathogenesis Program, Weill Cornell Medicine, New York, NY, USA.
- Department of Medicine, Weill Cornell Medicine, New York, NY, USA.
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Cicinelli E, Haimovich S, De Ziegler D, Raz N, Ben-Tzur D, Andrisani A, Ambrosini G, Picardi N, Cataldo V, Balzani M, Cicinelli R, Noventa M, Marin L, Greco P, Resta L, Saccardi C, Buzzaccarini G, Vitagliano A. MUM-1 immunohistochemistry has high accuracy and reliability in the diagnosis of chronic endometritis: a multi-centre comparative study with CD-138 immunostaining. J Assist Reprod Genet 2022; 39:219-226. [PMID: 34791588 PMCID: PMC8866577 DOI: 10.1007/s10815-021-02356-1] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [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: 09/08/2021] [Accepted: 11/10/2021] [Indexed: 01/03/2023] Open
Abstract
PURPOSE The current gold standard for chronic endometritis (CE) diagnosis is immunohistochemistry (IHC) for CD-138. However, IHC for CD-138 is not exempt from diagnostic limitations. The aim of our study was to evaluate the reliability and accuracy of MUM-1 IHC, as compared with CD-138. METHODS This is a multi-centre, retrospective, observational study, which included three tertiary hysteroscopic centres in university teaching hospitals. One hundred ninety-three consecutive women of reproductive age were referred to our hysteroscopy services due to infertility, recurrent miscarriage, abnormal uterine bleeding, endometrial polyps or myomas. All women underwent hysteroscopy plus endometrial biopsy. Endometrial samples were analysed through histology, CD138 and MUM-1 IHC. The primary outcome was to evaluate the diagnostic accuracy of MUM-1 IHC for CE, as compared with CD-138 IHC. RESULTS Sensitivity and specificity of CD-138 and MUM-1 IHC were respectively 89.13%, 79.59% versus 93.48% and 85.03%. The overall diagnostic accuracy of MUM-1 and CD-138 IHC were similar (AUC = 0.893 vs AUC = 0.844). The intercorrelation coefficient for single measurements was high between the two techniques (ICC = 0.831, 0.761-0.881 95%CI). However, among CE positive women, MUM-1 allowed the identification of higher number of plasma cells/hpf than CD-138 (6.50 [SD 4.80] vs 5.05 [SD 3.37]; p = 0.017). Additionally, MUM-1 showed a higher inter-observer agreement as compared to CD-138. CONCLUSION IHC for MUM-1 and CD-138 showed a similar accuracy for detecting endometrial stromal plasma cells. Notably, MUM-1 showed higher reliability in the paired comparison of the individual samples than CD-138. Thus, MUM-1 may represent a novel, promising add-on technique for the diagnosis of CE.
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Affiliation(s)
- Ettore Cicinelli
- Department of Biomedical and Human Oncological Science (DIMO), 2nd Unit of Obstetrics and Gynecology, University of Bari, Policlinico, Piazza Giulio Cesare 11, 70124, Bari, Italy
| | - Sergio Haimovich
- Department of Obstetrics and Gynecology, Hospital del Mar, Autonomous University of Barcelona, Barcelona, Spain
- Department of Obstetrics and Gynecology, Hillel Yaffe Medical Center, Hadera. The Ruth and Bruce Rappaport Faculty of Medicine, Technion, Hadera, Israel
| | - Dominique De Ziegler
- Department of Gynaecology Obstetrics II and Reproductive Medicine, Assistance Publique-Hôpitaux de Paris (AP-HP), Hôpital Universitaire Paris Centre, Centre Hospitalier Universitaire (CHU) Cochin, Université Paris Descartes, Sorbonne Paris Cité, Paris, France
| | - Nili Raz
- Department of Obstetrics and Gynecology, Hillel Yaffe Medical Center, Hadera. The Ruth and Bruce Rappaport Faculty of Medicine, Technion, Hadera, Israel
| | - Dana Ben-Tzur
- Department of Obstetrics and Gynecology, Hillel Yaffe Medical Center, Hadera. The Ruth and Bruce Rappaport Faculty of Medicine, Technion, Hadera, Israel
| | - Alessandra Andrisani
- Department of Women's and Children's Health, University of Padua, via Nicolò Giustiniani 3, 35128, Padua, Italy
| | - Guido Ambrosini
- Department of Women's and Children's Health, University of Padua, via Nicolò Giustiniani 3, 35128, Padua, Italy
| | - Nico Picardi
- Department of Biomedical and Human Oncological Science (DIMO), 2nd Unit of Obstetrics and Gynecology, University of Bari, Policlinico, Piazza Giulio Cesare 11, 70124, Bari, Italy
| | - Viviana Cataldo
- Department of Biomedical and Human Oncological Science (DIMO), 2nd Unit of Obstetrics and Gynecology, University of Bari, Policlinico, Piazza Giulio Cesare 11, 70124, Bari, Italy
| | - Marco Balzani
- Department of Biomedical and Human Oncological Science (DIMO), 2nd Unit of Obstetrics and Gynecology, University of Bari, Policlinico, Piazza Giulio Cesare 11, 70124, Bari, Italy
| | - Rossana Cicinelli
- Department of Biomedical and Human Oncological Science (DIMO), 2nd Unit of Obstetrics and Gynecology, University of Bari, Policlinico, Piazza Giulio Cesare 11, 70124, Bari, Italy
| | - Marco Noventa
- Department of Women's and Children's Health, University of Padua, via Nicolò Giustiniani 3, 35128, Padua, Italy
| | - Loris Marin
- Department of Women's and Children's Health, University of Padua, via Nicolò Giustiniani 3, 35128, Padua, Italy
| | - Pantaleo Greco
- Section of Gynecology and Obstetrics, Department of Morphology, Surgery and Experimental Medicine, University of Ferrara, Ferrara, Italy
| | - Leonardo Resta
- Institute of Pathology, Faculty of Medicinecs, University of Bari, Bari, Italy
| | - Carlo Saccardi
- Department of Women's and Children's Health, University of Padua, via Nicolò Giustiniani 3, 35128, Padua, Italy
| | - Giovanni Buzzaccarini
- Department of Women's and Children's Health, University of Padua, via Nicolò Giustiniani 3, 35128, Padua, Italy.
| | - Amerigo Vitagliano
- Department of Women's and Children's Health, University of Padua, via Nicolò Giustiniani 3, 35128, Padua, Italy
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5
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Li D, Zhang Y, Qiu Q, Wang J, Zhao X, Jiao B, Zhang X, Yu S, Xu P, Dan Y, Xiao X, Wang P, Liu M, Xia Z, Huang Z, Zhang R, Li J, Xie X, Zhang Y, Liu C, Liu P, Ren R. IRF8 Impacts Self-Renewal of Hematopoietic Stem Cells by Regulating TLR9 Signaling Pathway of Innate Immune Cells. Adv Sci (Weinh) 2021; 8:e2101031. [PMID: 34365741 PMCID: PMC8498865 DOI: 10.1002/advs.202101031] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/15/2021] [Revised: 06/25/2021] [Indexed: 05/03/2023]
Abstract
IRF8 is a key regulator of innate immunity receptor signaling and plays diverse functions in the development of hematopoietic cells. The effects of IRF8 on hematopoietic stem cells (HSCs) are still unknown. Here, it is demonstrated that IRF8 deficiency results in a decreased number of long-term HSCs (LT-HSCs) in mice. However, the repopulation capacity of individual HSCs is significantly increased. Transcriptomic analysis shows that IFN-γ and IFN-α signaling is downregulated in IRF8-deficient HSCs, while their response to proinflammatory cytokines is unchanged ex vivo. Further tests show that Irf8-/- HSCs can not respond to CpG, an agonist of Toll-like receptor 9 (TLR9) in mice, while long-term CpG stimulation increases wild-type HSC abundance and decreases their bone marrow colony-forming capacity. Mechanistically, as the primary producer of proinflammatory cytokines in response to CpG stimulation, dendritic cells has a blocked TLR9 signaling due to developmental defect in Irf8-/- mice. Macrophages remain functionally intact but severely reduce in Irf8-/- mice. In NK cells, IRF8 directly regulates the expression of Tlr9 and its deficiency leads to no increased IFNγ production upon CpG stimulation. These results indicate that IRF8 regulates HSCs, at least in part, through controlling TLR9 signaling in diverse innate immune cells.
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Affiliation(s)
- Donghe Li
- Shanghai Institute of HematologyState Key Laboratory for Medical GenomicsNational Research Center for Translational MedicineInternational Center for Aging and CancerCollaborative Innovation Center of HematologyRuijin Hospital affiliated to Shanghai Jiao Tong University School of MedicineSchool of Life Sciences and BiotechnologyShanghai Jiao Tong UniversityShanghai200025China
| | - Yuyin Zhang
- Shanghai Institute of HematologyState Key Laboratory for Medical GenomicsNational Research Center for Translational MedicineInternational Center for Aging and CancerCollaborative Innovation Center of HematologyRuijin Hospital affiliated to Shanghai Jiao Tong University School of MedicineSchool of Life Sciences and BiotechnologyShanghai Jiao Tong UniversityShanghai200025China
| | - Qingsong Qiu
- Shanghai Institute of HematologyState Key Laboratory for Medical GenomicsNational Research Center for Translational MedicineInternational Center for Aging and CancerCollaborative Innovation Center of HematologyRuijin Hospital affiliated to Shanghai Jiao Tong University School of MedicineSchool of Life Sciences and BiotechnologyShanghai Jiao Tong UniversityShanghai200025China
| | - Jinzeng Wang
- Shanghai Institute of HematologyState Key Laboratory for Medical GenomicsNational Research Center for Translational MedicineInternational Center for Aging and CancerCollaborative Innovation Center of HematologyRuijin Hospital affiliated to Shanghai Jiao Tong University School of MedicineSchool of Life Sciences and BiotechnologyShanghai Jiao Tong UniversityShanghai200025China
| | - Xuemei Zhao
- Shanghai Institute of HematologyState Key Laboratory for Medical GenomicsNational Research Center for Translational MedicineInternational Center for Aging and CancerCollaborative Innovation Center of HematologyRuijin Hospital affiliated to Shanghai Jiao Tong University School of MedicineSchool of Life Sciences and BiotechnologyShanghai Jiao Tong UniversityShanghai200025China
| | - Bo Jiao
- Shanghai Institute of HematologyState Key Laboratory for Medical GenomicsNational Research Center for Translational MedicineInternational Center for Aging and CancerCollaborative Innovation Center of HematologyRuijin Hospital affiliated to Shanghai Jiao Tong University School of MedicineSchool of Life Sciences and BiotechnologyShanghai Jiao Tong UniversityShanghai200025China
| | - Xiuli Zhang
- Shanghai Institute of HematologyState Key Laboratory for Medical GenomicsNational Research Center for Translational MedicineInternational Center for Aging and CancerCollaborative Innovation Center of HematologyRuijin Hospital affiliated to Shanghai Jiao Tong University School of MedicineSchool of Life Sciences and BiotechnologyShanghai Jiao Tong UniversityShanghai200025China
| | - Shanhe Yu
- Shanghai Institute of HematologyState Key Laboratory for Medical GenomicsNational Research Center for Translational MedicineInternational Center for Aging and CancerCollaborative Innovation Center of HematologyRuijin Hospital affiliated to Shanghai Jiao Tong University School of MedicineSchool of Life Sciences and BiotechnologyShanghai Jiao Tong UniversityShanghai200025China
| | - Pengfei Xu
- Shanghai Institute of HematologyState Key Laboratory for Medical GenomicsNational Research Center for Translational MedicineInternational Center for Aging and CancerCollaborative Innovation Center of HematologyRuijin Hospital affiliated to Shanghai Jiao Tong University School of MedicineSchool of Life Sciences and BiotechnologyShanghai Jiao Tong UniversityShanghai200025China
| | - Yuqing Dan
- Shanghai Institute of HematologyState Key Laboratory for Medical GenomicsNational Research Center for Translational MedicineInternational Center for Aging and CancerCollaborative Innovation Center of HematologyRuijin Hospital affiliated to Shanghai Jiao Tong University School of MedicineSchool of Life Sciences and BiotechnologyShanghai Jiao Tong UniversityShanghai200025China
| | - Xinhua Xiao
- Shanghai Institute of HematologyState Key Laboratory for Medical GenomicsNational Research Center for Translational MedicineInternational Center for Aging and CancerCollaborative Innovation Center of HematologyRuijin Hospital affiliated to Shanghai Jiao Tong University School of MedicineSchool of Life Sciences and BiotechnologyShanghai Jiao Tong UniversityShanghai200025China
| | - Peihong Wang
- Shanghai Institute of HematologyState Key Laboratory for Medical GenomicsNational Research Center for Translational MedicineInternational Center for Aging and CancerCollaborative Innovation Center of HematologyRuijin Hospital affiliated to Shanghai Jiao Tong University School of MedicineSchool of Life Sciences and BiotechnologyShanghai Jiao Tong UniversityShanghai200025China
| | - Mingzhu Liu
- Shanghai Institute of HematologyState Key Laboratory for Medical GenomicsNational Research Center for Translational MedicineInternational Center for Aging and CancerCollaborative Innovation Center of HematologyRuijin Hospital affiliated to Shanghai Jiao Tong University School of MedicineSchool of Life Sciences and BiotechnologyShanghai Jiao Tong UniversityShanghai200025China
| | - Zhizhou Xia
- Shanghai Institute of HematologyState Key Laboratory for Medical GenomicsNational Research Center for Translational MedicineInternational Center for Aging and CancerCollaborative Innovation Center of HematologyRuijin Hospital affiliated to Shanghai Jiao Tong University School of MedicineSchool of Life Sciences and BiotechnologyShanghai Jiao Tong UniversityShanghai200025China
| | - Zhangsen Huang
- Shanghai Institute of HematologyState Key Laboratory for Medical GenomicsNational Research Center for Translational MedicineInternational Center for Aging and CancerCollaborative Innovation Center of HematologyRuijin Hospital affiliated to Shanghai Jiao Tong University School of MedicineSchool of Life Sciences and BiotechnologyShanghai Jiao Tong UniversityShanghai200025China
| | - Ruihong Zhang
- Shanghai Institute of HematologyState Key Laboratory for Medical GenomicsNational Research Center for Translational MedicineInternational Center for Aging and CancerCollaborative Innovation Center of HematologyRuijin Hospital affiliated to Shanghai Jiao Tong University School of MedicineSchool of Life Sciences and BiotechnologyShanghai Jiao Tong UniversityShanghai200025China
| | - Jiaoyang Li
- Shanghai Institute of HematologyState Key Laboratory for Medical GenomicsNational Research Center for Translational MedicineInternational Center for Aging and CancerCollaborative Innovation Center of HematologyRuijin Hospital affiliated to Shanghai Jiao Tong University School of MedicineSchool of Life Sciences and BiotechnologyShanghai Jiao Tong UniversityShanghai200025China
| | - Xi Xie
- Shanghai Institute of HematologyState Key Laboratory for Medical GenomicsNational Research Center for Translational MedicineInternational Center for Aging and CancerCollaborative Innovation Center of HematologyRuijin Hospital affiliated to Shanghai Jiao Tong University School of MedicineSchool of Life Sciences and BiotechnologyShanghai Jiao Tong UniversityShanghai200025China
| | - Yan Zhang
- Shanghai Institute of HematologyState Key Laboratory for Medical GenomicsNational Research Center for Translational MedicineInternational Center for Aging and CancerCollaborative Innovation Center of HematologyRuijin Hospital affiliated to Shanghai Jiao Tong University School of MedicineSchool of Life Sciences and BiotechnologyShanghai Jiao Tong UniversityShanghai200025China
| | - Chenxuan Liu
- Shanghai Institute of HematologyState Key Laboratory for Medical GenomicsNational Research Center for Translational MedicineInternational Center for Aging and CancerCollaborative Innovation Center of HematologyRuijin Hospital affiliated to Shanghai Jiao Tong University School of MedicineSchool of Life Sciences and BiotechnologyShanghai Jiao Tong UniversityShanghai200025China
| | - Ping Liu
- Shanghai Institute of HematologyState Key Laboratory for Medical GenomicsNational Research Center for Translational MedicineInternational Center for Aging and CancerCollaborative Innovation Center of HematologyRuijin Hospital affiliated to Shanghai Jiao Tong University School of MedicineSchool of Life Sciences and BiotechnologyShanghai Jiao Tong UniversityShanghai200025China
| | - Ruibao Ren
- Shanghai Institute of HematologyState Key Laboratory for Medical GenomicsNational Research Center for Translational MedicineInternational Center for Aging and CancerCollaborative Innovation Center of HematologyRuijin Hospital affiliated to Shanghai Jiao Tong University School of MedicineSchool of Life Sciences and BiotechnologyShanghai Jiao Tong UniversityShanghai200025China
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6
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Amparyup P, Charoensapsri W, Soponpong S, Jearaphunt M, Wongpanya R, Tassanakajon A. Stimulator of interferon gene (STING) and interferon regulatory factor (IRF) are crucial for shrimp antiviral defense against WSSV infection. Fish Shellfish Immunol 2021; 117:240-247. [PMID: 34418555 DOI: 10.1016/j.fsi.2021.08.016] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [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: 03/29/2021] [Revised: 08/16/2021] [Accepted: 08/17/2021] [Indexed: 06/13/2023]
Abstract
The cytosolic DNA-sensing immune response is essential for recognizing and establishing an effective host immune response to pathogens. However, the importance of the cytosolic signalling molecules responsible for facilitating an appropriate immune response following infection with a DNA virus in shrimps remains unknown. Here, we report the discovery of the Penaeus monodon stimulator of interferon gene (PmSTING) and interferon regulatory factor (PmIRF) genes and their important roles in the host defense against viral infection. High expression levels of PmSTING transcripts were detected in the midgut, hepatopancreas, and hindgut, with lower levels in foregut, while PmIRF was highly expressed in the hindgut, foregut, and hepatopancreas of P. monodon. The mRNA expression level of both PmSTING and PmIRF was up-regulated in the foregut in response to white spot syndrome virus (WSSV; dsDNA virus) infection. RNA-interference-mediated gene silencing of PmSTING and PmIRF rendered shrimps to be more susceptible to WSSV infection; suppression of PmIRF decreased the mRNA transcript level of PmSTING; and silencing of the cytosolic sensor PmDDX41 suppressed both PmSTING and PmIRF gene transcript levels. Thus, PmSTING and PmIRF are likely to be important for the antiviral innate response against the dsDNA WSSV pathogen and may mediate the antiviral immune defenses via PmDDX41/PmSTING/PmIRF signaling cascade in P. monodon.
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Affiliation(s)
- Piti Amparyup
- Marine Biotechnology Research Team, Integrative Aquaculture Biotechnology Research Group, National Center for Genetic Engineering and Biotechnology (BIOTEC), National Science and Technology Development Agency (NSTDA), 113 Paholyothin Road, Klong 1, Klong Luang, Pathumthani, 12120, Thailand; Center of Excellence for Marine Biotechnology, Department of Marine Science, Faculty of Science, Chulalongkorn University, 254 Phayathai Road, Bangkok, 10330, Thailand.
| | - Walaiporn Charoensapsri
- Marine Biotechnology Research Team, Integrative Aquaculture Biotechnology Research Group, National Center for Genetic Engineering and Biotechnology (BIOTEC), National Science and Technology Development Agency (NSTDA), 113 Paholyothin Road, Klong 1, Klong Luang, Pathumthani, 12120, Thailand; Center of Excellence for Marine Biotechnology, Department of Marine Science, Faculty of Science, Chulalongkorn University, 254 Phayathai Road, Bangkok, 10330, Thailand
| | - Suthinee Soponpong
- Center of Excellence for Molecular Biology and Genomics of Shrimp, Department of Biochemistry, Faculty of Science, Chulalongkorn University, 254 Phayathai Road, Bangkok, 10330, Thailand
| | - Miti Jearaphunt
- Program in Biology, Faculty of Science and Technology, Suratthani Rajabhat University, 272 Moo 9 Surat-Nasarn Road, Khun Talae, Muang, Surat Thani, 84100, Thailand
| | - Ratree Wongpanya
- Department of Biochemistry, Faculty of Science, Kasetsart University, 50 Ngamwongwan Road, Bangkok, 10900, Thailand
| | - Anchalee Tassanakajon
- Center of Excellence for Molecular Biology and Genomics of Shrimp, Department of Biochemistry, Faculty of Science, Chulalongkorn University, 254 Phayathai Road, Bangkok, 10330, Thailand
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7
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Cui C, Wang S, Lu W, Wang Y, Li J, Qu K, Yang M, Wang L, Yu Y. The adjuvanticity of manganese for microbial vaccines via activating the IRF5 signaling pathway. Biochem Pharmacol 2021; 192:114720. [PMID: 34363796 DOI: 10.1016/j.bcp.2021.114720] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [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: 07/19/2021] [Revised: 07/26/2021] [Accepted: 08/02/2021] [Indexed: 11/18/2022]
Abstract
Manganese (Mn2+) has been reported to activate macrophages and NK cells, and to induce the production of type-I interferons (IFNs) by activating the cGAS-STING pathway. Few studies have been conducted on its adjuvanticity to microbial vaccines, and on the involvement of the interferon regulatory factor (IRF) 5 signaling pathway in the adjuvanticity. In this study, we demonstrated that Mn2+ could facilitate various microbial vaccines to induce enhanced antibody responses, and facilitate the influenza virus vaccine to induce protective immunity against the influenza virus challenge. When formulated in vaccines, Mn2+ could activate murine CD4+ T cells, CD8+ T cells, B cells and DCs, and induce the expression and phosphorylation of TANK-binding kinase 1 (TBK1) and IRF5 in the splenocytes of the immunized mice, resulting in the increased expression of type-I IFNs, TNF-α, B cell-activating factor of the TNF family (BAFF) and B lymphocyte-induced maturation protein-1 (Blimp-1). The induced TBK1 could recruit and bind the IRF5. Furthermore, the Mn2+ induced expression of IRF5 and Blimp-1 was prohibited by a IRF5 interfering oligonucleotide. The data suggest the Mn2+ could be used as a novel type of adjuvants for microbial vaccines, and the activation of IRF5 signaling pathway might involve in the adjuvanticity.
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Affiliation(s)
- Cuiyun Cui
- Department of Immunology, College of Basic Medical Sciences, Jilin University, Jilin, Changchun 130021, China
| | - Shengnan Wang
- Department of Molecular Biology, College of Basic Medical Sciences, Jilin University, Jilin, Changchun 130021, China
| | - Wenting Lu
- Department of Molecular Biology, College of Basic Medical Sciences, Jilin University, Jilin, Changchun 130021, China
| | - Yangyang Wang
- Department of Molecular Biology, College of Basic Medical Sciences, Jilin University, Jilin, Changchun 130021, China
| | - Jianhua Li
- Department of Molecular Biology, College of Basic Medical Sciences, Jilin University, Jilin, Changchun 130021, China
| | - Kuo Qu
- Department of Molecular Biology, College of Basic Medical Sciences, Jilin University, Jilin, Changchun 130021, China
| | - Ming Yang
- Department of Molecular Biology, College of Basic Medical Sciences, Jilin University, Jilin, Changchun 130021, China
| | - Liying Wang
- Department of Molecular Biology, College of Basic Medical Sciences, Jilin University, Jilin, Changchun 130021, China.
| | - Yongli Yu
- Department of Immunology, College of Basic Medical Sciences, Jilin University, Jilin, Changchun 130021, China.
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8
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Martin-Sancho L, Lewinski MK, Pache L, Stoneham CA, Yin X, Becker ME, Pratt D, Churas C, Rosenthal SB, Liu S, Weston S, De Jesus PD, O'Neill AM, Gounder AP, Nguyen C, Pu Y, Curry HM, Oom AL, Miorin L, Rodriguez-Frandsen A, Zheng F, Wu C, Xiong Y, Urbanowski M, Shaw ML, Chang MW, Benner C, Hope TJ, Frieman MB, García-Sastre A, Ideker T, Hultquist JF, Guatelli J, Chanda SK. Functional landscape of SARS-CoV-2 cellular restriction. Mol Cell 2021; 81:2656-2668.e8. [PMID: 33930332 PMCID: PMC8043580 DOI: 10.1016/j.molcel.2021.04.008] [Citation(s) in RCA: 111] [Impact Index Per Article: 37.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/17/2020] [Revised: 02/01/2021] [Accepted: 04/07/2021] [Indexed: 12/21/2022]
Abstract
A deficient interferon (IFN) response to severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) infection has been implicated as a determinant of severe coronavirus disease 2019 (COVID-19). To identify the molecular effectors that govern IFN control of SARS-CoV-2 infection, we conducted a large-scale gain-of-function analysis that evaluated the impact of human IFN-stimulated genes (ISGs) on viral replication. A limited subset of ISGs were found to control viral infection, including endosomal factors inhibiting viral entry, RNA binding proteins suppressing viral RNA synthesis, and a highly enriched cluster of endoplasmic reticulum (ER)/Golgi-resident ISGs inhibiting viral assembly/egress. These included broad-acting antiviral ISGs and eight ISGs that specifically inhibited SARS-CoV-2 and SARS-CoV-1 replication. Among the broad-acting ISGs was BST2/tetherin, which impeded viral release and is antagonized by SARS-CoV-2 Orf7a protein. Overall, these data illuminate a set of ISGs that underlie innate immune control of SARS-CoV-2/SARS-CoV-1 infection, which will facilitate the understanding of host determinants that impact disease severity and offer potential therapeutic strategies for COVID-19.
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Affiliation(s)
- Laura Martin-Sancho
- Immunity and Pathogenesis Program, Sanford Burnham Prebys Medical Discovery Institute, La Jolla, CA 92037, USA
| | - Mary K Lewinski
- Department of Medicine, University of California San Diego, and the VA San Diego Healthcare System, San Diego, CA 92161, USA
| | - Lars Pache
- Immunity and Pathogenesis Program, Sanford Burnham Prebys Medical Discovery Institute, La Jolla, CA 92037, USA
| | - Charlotte A Stoneham
- Department of Medicine, University of California San Diego, and the VA San Diego Healthcare System, San Diego, CA 92161, USA
| | - Xin Yin
- Immunity and Pathogenesis Program, Sanford Burnham Prebys Medical Discovery Institute, La Jolla, CA 92037, USA
| | - Mark E Becker
- Department of Cell and Developmental Biology, Northwestern University Feinberg School of Medicine, Chicago, IL 60611, USA
| | - Dexter Pratt
- Department of Medicine, University of California San Diego, La Jolla, CA 92093, USA
| | - Christopher Churas
- Department of Medicine, University of California San Diego, La Jolla, CA 92093, USA
| | - Sara B Rosenthal
- Department of Medicine, University of California San Diego, La Jolla, CA 92093, USA
| | - Sophie Liu
- Department of Medicine, University of California San Diego, La Jolla, CA 92093, USA
| | - Stuart Weston
- Department of Microbiology and Immunology, University of Maryland School of Medicine, Baltimore, MD 21201, USA
| | - Paul D De Jesus
- Immunity and Pathogenesis Program, Sanford Burnham Prebys Medical Discovery Institute, La Jolla, CA 92037, USA
| | - Alan M O'Neill
- Department of Dermatology, University of California San Diego, La Jolla, CA 92093, USA
| | - Anshu P Gounder
- Immunity and Pathogenesis Program, Sanford Burnham Prebys Medical Discovery Institute, La Jolla, CA 92037, USA
| | - Courtney Nguyen
- Immunity and Pathogenesis Program, Sanford Burnham Prebys Medical Discovery Institute, La Jolla, CA 92037, USA
| | - Yuan Pu
- Immunity and Pathogenesis Program, Sanford Burnham Prebys Medical Discovery Institute, La Jolla, CA 92037, USA
| | - Heather M Curry
- Immunity and Pathogenesis Program, Sanford Burnham Prebys Medical Discovery Institute, La Jolla, CA 92037, USA
| | - Aaron L Oom
- Department of Medicine, University of California San Diego, and the VA San Diego Healthcare System, San Diego, CA 92161, USA
| | - Lisa Miorin
- Department of Microbiology, Icahn School of Medicine at Mount Sinai, New York, NY 10029-5674, USA; Global Health and Emerging Pathogens Institute, Icahn School of Medicine at Mount Sinai, New York, NY 10029-5674, USA
| | - Ariel Rodriguez-Frandsen
- Immunity and Pathogenesis Program, Sanford Burnham Prebys Medical Discovery Institute, La Jolla, CA 92037, USA
| | - Fan Zheng
- Department of Medicine, University of California San Diego, La Jolla, CA 92093, USA
| | - Chunxiang Wu
- Department of Molecular Biophysics and Biochemistry, Yale University, New Haven, CT 06510, USA
| | - Yong Xiong
- Department of Molecular Biophysics and Biochemistry, Yale University, New Haven, CT 06510, USA
| | - Matthew Urbanowski
- Department of Microbiology, Icahn School of Medicine at Mount Sinai, New York, NY 10029-5674, USA
| | - Megan L Shaw
- Department of Microbiology, Icahn School of Medicine at Mount Sinai, New York, NY 10029-5674, USA; Department of Medical Biosciences, University of the Western Cape, Cape Town 7535, South Africa
| | - Max W Chang
- Department of Medicine, University of California San Diego, La Jolla, CA 92093, USA
| | - Christopher Benner
- Department of Medicine, University of California San Diego, La Jolla, CA 92093, USA
| | - Thomas J Hope
- Department of Cell and Developmental Biology, Northwestern University Feinberg School of Medicine, Chicago, IL 60611, USA
| | - Matthew B Frieman
- Department of Microbiology and Immunology, University of Maryland School of Medicine, Baltimore, MD 21201, USA
| | - Adolfo García-Sastre
- Department of Microbiology, Icahn School of Medicine at Mount Sinai, New York, NY 10029-5674, USA; Global Health and Emerging Pathogens Institute, Icahn School of Medicine at Mount Sinai, New York, NY 10029-5674, USA; Department of Medicine, Division of Infectious Diseases, Icahn School of Medicine at Mount Sinai, New York, NY 10029-5674, USA; The Tisch Institute, Icahn School of Medicine at Mount Sinai, New York, NY 10029-5674, USA
| | - Trey Ideker
- Department of Medicine, University of California San Diego, La Jolla, CA 92093, USA; Department of Computer Science and Engineering, University of California San Diego, La Jolla, CA 92093, USA
| | - Judd F Hultquist
- Division of Infectious Diseases, Northwestern University Feinberg School of Medicine, Chicago, IL 60611, USA
| | - John Guatelli
- Department of Medicine, University of California San Diego, and the VA San Diego Healthcare System, San Diego, CA 92161, USA
| | - Sumit K Chanda
- Immunity and Pathogenesis Program, Sanford Burnham Prebys Medical Discovery Institute, La Jolla, CA 92037, USA.
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9
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Huang HI, Jewell ML, Youssef N, Huang MN, Hauser ER, Fee BE, Rudemiller NP, Privratsky JR, Zhang JJ, Reyes EY, Wang D, Taylor GA, Gunn MD, Ko DC, Cook DN, Chandramohan V, Crowley SD, Hammer GE. Th17 Immunity in the Colon Is Controlled by Two Novel Subsets of Colon-Specific Mononuclear Phagocytes. Front Immunol 2021; 12:661290. [PMID: 33995384 PMCID: PMC8113646 DOI: 10.3389/fimmu.2021.661290] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2021] [Accepted: 03/31/2021] [Indexed: 12/23/2022] Open
Abstract
Intestinal immunity is coordinated by specialized mononuclear phagocyte populations, constituted by a diversity of cell subsets. Although the cell subsets constituting the mononuclear phagocyte network are thought to be similar in both small and large intestine, these organs have distinct anatomy, microbial composition, and immunological demands. Whether these distinctions demand organ-specific mononuclear phagocyte populations with dedicated organ-specific roles in immunity are unknown. Here we implement a new strategy to subset murine intestinal mononuclear phagocytes and identify two novel subsets which are colon-specific: a macrophage subset and a Th17-inducing dendritic cell (DC) subset. Colon-specific DCs and macrophages co-expressed CD24 and CD14, and surprisingly, both were dependent on the transcription factor IRF4. Novel IRF4-dependent CD14+CD24+ macrophages were markedly distinct from conventional macrophages and failed to express classical markers including CX3CR1, CD64 and CD88, and surprisingly expressed little IL-10, which was otherwise robustly expressed by all other intestinal macrophages. We further found that colon-specific CD14+CD24+ mononuclear phagocytes were essential for Th17 immunity in the colon, and provide definitive evidence that colon and small intestine have distinct antigen presenting cell requirements for Th17 immunity. Our findings reveal unappreciated organ-specific diversity of intestine-resident mononuclear phagocytes and organ-specific requirements for Th17 immunity.
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Affiliation(s)
- Hsin-I. Huang
- Department of Immunology, Duke University Medical Center, Durham, NC, United States
| | - Mark L. Jewell
- Department of Immunology, Duke University Medical Center, Durham, NC, United States
| | - Nourhan Youssef
- Department of Immunology, Duke University Medical Center, Durham, NC, United States
| | - Min-Nung Huang
- Department of Medicine, Division of Cardiology, Duke University Medical Center, Durham, NC, United States
| | - Elizabeth R. Hauser
- Department of Biostatistics and Bioinformatics, and Duke Molecular Physiology Institute, Duke University School of Medicine, Durham, NC, United States
- Cooperative Studies Program Epidemiology Center, VA Medical Center, Durham, NC, United States
| | - Brian E. Fee
- Geriatric Research, Education, and Clinical Center, VA Health Care Center, Durham, NC, United States
- Department of Medicine, Division of Geriatrics, and Center for the Study of Aging and Human Development, Duke University Medical Center, Durham, NC, United States
| | - Nathan P. Rudemiller
- Department of Medicine, Division of Nephrology, Duke University and Durham VA Medical Centers, Durham, NC, United States
| | - Jamie R. Privratsky
- Department of Anesthesiology, Duke University Medical Center, Durham, NC, United States
| | - Junyi J. Zhang
- Department of Immunology, Duke University Medical Center, Durham, NC, United States
| | - Estefany Y. Reyes
- Department of Immunology, Duke University Medical Center, Durham, NC, United States
| | - Donghai Wang
- Department of Medicine, Division of Rheumatology and Immunology, Duke University Medical Center, Durham, NC, United States
| | - Gregory A. Taylor
- Department of Immunology, Duke University Medical Center, Durham, NC, United States
- Geriatric Research, Education, and Clinical Center, VA Health Care Center, Durham, NC, United States
- Department of Medicine, Division of Geriatrics, and Center for the Study of Aging and Human Development, Duke University Medical Center, Durham, NC, United States
- Department of Molecular Genetics and Microbiology, Duke University Medical Center, Durham, NC, United States
| | - Michael D. Gunn
- Department of Immunology, Duke University Medical Center, Durham, NC, United States
- Department of Medicine, Division of Cardiology, Duke University Medical Center, Durham, NC, United States
| | - Dennis C. Ko
- Department of Molecular Genetics and Microbiology, Duke University Medical Center, Durham, NC, United States
| | - Donald N. Cook
- Immunity, Inflammation, and Disease Laboratory, National Institute of Environmental Health Sciences, NIH, Durham, NC, United States
| | - Vidyalakshmi Chandramohan
- Department of Neurosurgery and Department of Pathology, Duke University Medical Center, Durham, NC, United States
| | - Steven D. Crowley
- Department of Medicine, Division of Nephrology, Duke University and Durham VA Medical Centers, Durham, NC, United States
| | - Gianna Elena Hammer
- Department of Immunology, Duke University Medical Center, Durham, NC, United States
- Department of Molecular Genetics and Microbiology, Duke University Medical Center, Durham, NC, United States
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10
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Albers GJ, Iwasaki J, McErlean P, Ogger PP, Ghai P, Khoyratty TE, Udalova IA, Lloyd CM, Byrne AJ. IRF5 regulates airway macrophage metabolic responses. Clin Exp Immunol 2021; 204:134-143. [PMID: 33423291 PMCID: PMC7944363 DOI: 10.1111/cei.13573] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/04/2020] [Revised: 12/13/2020] [Accepted: 12/16/2020] [Indexed: 02/06/2023] Open
Abstract
Interferon regulatory factor 5 (IRF5) is a master regulator of macrophage phenotype and a key transcription factor involved in expression of proinflammatory cytokine responses to microbial and viral infection. Here, we show that IRF5 controls cellular and metabolic responses. By integrating ChIP sequencing (ChIP-Seq) and assay for transposase-accessible chromatin using sequencing (ATAC)-seq data sets, we found that IRF5 directly regulates metabolic genes such as hexokinase-2 (Hk2). The interaction of IRF5 and metabolic genes had a functional consequence, as Irf5-/- airway macrophages but not bone marrow-derived macrophages (BMDMs) were characterized by a quiescent metabolic phenotype at baseline and had reduced ability to utilize oxidative phosphorylation after Toll-like receptor (TLR)-3 activation, in comparison to controls, ex vivo. In a murine model of influenza infection, IRF5 deficiency had no effect on viral load in comparison to wild-type controls but controlled metabolic responses to viral infection, as IRF5 deficiency led to reduced expression of Sirt6 and Hk2. Together, our data indicate that IRF5 is a key component of AM metabolic responses following influenza infection and TLR-3 activation.
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Affiliation(s)
- G. J. Albers
- Inflammation, Repair and Development SectionNational Heart and Lung InstituteImperial College LondonLondonUK
| | - J. Iwasaki
- Inflammation, Repair and Development SectionNational Heart and Lung InstituteImperial College LondonLondonUK
| | - P. McErlean
- Inflammation, Repair and Development SectionNational Heart and Lung InstituteImperial College LondonLondonUK
| | - P. P. Ogger
- Inflammation, Repair and Development SectionNational Heart and Lung InstituteImperial College LondonLondonUK
| | - P. Ghai
- Inflammation, Repair and Development SectionNational Heart and Lung InstituteImperial College LondonLondonUK
| | - T. E. Khoyratty
- The Kennedy Institute of RheumatologyUniversity of OxfordOxfordUK
| | - I. A. Udalova
- The Kennedy Institute of RheumatologyUniversity of OxfordOxfordUK
| | - C. M. Lloyd
- Inflammation, Repair and Development SectionNational Heart and Lung InstituteImperial College LondonLondonUK
| | - A. J. Byrne
- Inflammation, Repair and Development SectionNational Heart and Lung InstituteImperial College LondonLondonUK
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11
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Wang X, Lin X, Zheng Z, Lu B, Wang J, Tan AHM, Zhao M, Loh JT, Ng SW, Chen Q, Xiao F, Huang E, Ko KH, Huang Z, Li J, Kok KH, Lu G, Liu X, Lam KP, Liu W, Zhang Y, Yuen KY, Mak TW, Lu L. Host-derived lipids orchestrate pulmonary γδ T cell response to provide early protection against influenza virus infection. Nat Commun 2021; 12:1914. [PMID: 33772013 PMCID: PMC7997921 DOI: 10.1038/s41467-021-22242-9] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2020] [Accepted: 03/06/2021] [Indexed: 01/01/2023] Open
Abstract
Innate immunity is important for host defense by eliciting rapid anti-viral responses and bridging adaptive immunity. Here, we show that endogenous lipids released from virus-infected host cells activate lung γδ T cells to produce interleukin 17 A (IL-17A) for early protection against H1N1 influenza infection. During infection, the lung γδ T cell pool is constantly supplemented by thymic output, with recent emigrants infiltrating into the lung parenchyma and airway to acquire tissue-resident feature. Single-cell studies identify IL-17A-producing γδ T (Tγδ17) cells with a phenotype of TCRγδhiCD3hiAQP3hiCXCR6hi in both infected mice and patients with pneumonia. Mechanistically, host cell-released lipids during viral infection are presented by lung infiltrating CD1d+ B-1a cells to activate IL-17A production in γδ T cells via γδTCR-mediated IRF4-dependent transcription. Reduced IL-17A production in γδ T cells is detected in mice either lacking B-1a cells or with ablated CD1d in B cells. Our findings identify a local host-immune crosstalk and define important cellular and molecular mediators for early innate defense against lung viral infection.
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MESH Headings
- Animals
- Antigens, CD1d/immunology
- Antigens, CD1d/metabolism
- Female
- Host-Pathogen Interactions/immunology
- Humans
- Immunity, Innate/immunology
- Influenza A Virus, H1N1 Subtype/immunology
- Influenza A Virus, H1N1 Subtype/physiology
- Influenza, Human/immunology
- Influenza, Human/metabolism
- Influenza, Human/virology
- Interferon Regulatory Factors/immunology
- Interferon Regulatory Factors/metabolism
- Interleukin-17/immunology
- Interleukin-17/metabolism
- Lipids/immunology
- Lung/immunology
- Lung/metabolism
- Lung/virology
- Mice, Inbred C57BL
- Mice, Knockout
- Mice, Transgenic
- Orthomyxoviridae Infections/immunology
- Orthomyxoviridae Infections/metabolism
- Orthomyxoviridae Infections/virology
- Receptors, Antigen, T-Cell, gamma-delta/immunology
- Receptors, Antigen, T-Cell, gamma-delta/metabolism
- Mice
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Affiliation(s)
- Xiaohui Wang
- Department of Pathology and Shenzhen Institute of Research and Innovation, The University of Hong Kong, Hong Kong, China.
- Department of Microbiology, State Key Laboratory of Emerging Infectious Diseases, The University of Hong Kong, Hong Kong, China.
| | - Xiang Lin
- Department of Pathology and Shenzhen Institute of Research and Innovation, The University of Hong Kong, Hong Kong, China
| | - Zihan Zheng
- Chongqing International Institute for Immunology, Chongqing, China
| | - Bingtai Lu
- Department of Respiratory Medicine and Guangzhou Institute of Pediatrics, Guangzhou Women and Children's Medical Center, Guangzhou Medical University, Guangzhou, China
| | - Jun Wang
- Department of Respiratory Medicine and Guangzhou Institute of Pediatrics, Guangzhou Women and Children's Medical Center, Guangzhou Medical University, Guangzhou, China
| | - Andy Hee-Meng Tan
- Bioprocessing Technology Institute, Agency for Science, Technology and Research, Singapore, Singapore
| | - Meng Zhao
- Ministry of Education Key Laboratory of Protein Sciences, Center for Life Sciences, Collaborative Innovation Center for Diagnosis and Treatment of Infectious Diseases, Institute for Immunology, School of Life Sciences, Tsinghua University, Beijing, China
| | - Jia Tong Loh
- Bioprocessing Technology Institute, Agency for Science, Technology and Research, Singapore, Singapore
- Singapore Immunology Network, Agency for Science, Technology and Research, Singapore, Singapore
| | - Sze Wai Ng
- Bioprocessing Technology Institute, Agency for Science, Technology and Research, Singapore, Singapore
| | - Qian Chen
- Department of Pathology and Shenzhen Institute of Research and Innovation, The University of Hong Kong, Hong Kong, China
| | - Fan Xiao
- Department of Pathology and Shenzhen Institute of Research and Innovation, The University of Hong Kong, Hong Kong, China
| | - Enyu Huang
- Department of Pathology and Shenzhen Institute of Research and Innovation, The University of Hong Kong, Hong Kong, China
| | - King-Hung Ko
- Department of Pathology and Shenzhen Institute of Research and Innovation, The University of Hong Kong, Hong Kong, China
| | - Zhong Huang
- Department of Pathogen Biology and Immunology, Shenzhen University School of Medicine, Shenzhen, China
| | - Jingyi Li
- Chongqing International Institute for Immunology, Chongqing, China
| | - Kin-Hang Kok
- Department of Microbiology, State Key Laboratory of Emerging Infectious Diseases, The University of Hong Kong, Hong Kong, China
| | - Gen Lu
- Department of Respiratory Medicine and Guangzhou Institute of Pediatrics, Guangzhou Women and Children's Medical Center, Guangzhou Medical University, Guangzhou, China
| | - Xiaohui Liu
- National Protein Science Facility, Tsinghua University, Beijing, China
| | - Kong-Peng Lam
- Bioprocessing Technology Institute, Agency for Science, Technology and Research, Singapore, Singapore
- Singapore Immunology Network, Agency for Science, Technology and Research, Singapore, Singapore
| | - Wanli Liu
- Ministry of Education Key Laboratory of Protein Sciences, Center for Life Sciences, Collaborative Innovation Center for Diagnosis and Treatment of Infectious Diseases, Institute for Immunology, School of Life Sciences, Tsinghua University, Beijing, China
| | - Yuxia Zhang
- Department of Respiratory Medicine and Guangzhou Institute of Pediatrics, Guangzhou Women and Children's Medical Center, Guangzhou Medical University, Guangzhou, China
| | - Kwok-Yung Yuen
- Department of Microbiology, State Key Laboratory of Emerging Infectious Diseases, The University of Hong Kong, Hong Kong, China
| | - Tak Wah Mak
- Department of Pathology and Shenzhen Institute of Research and Innovation, The University of Hong Kong, Hong Kong, China
- The Campbell Family Institute for Breast Cancer Research at Princess Margaret Cancer Centre, Ontario Cancer Institute, University Health Network, Toronto, ON, Canada
| | - Liwei Lu
- Department of Pathology and Shenzhen Institute of Research and Innovation, The University of Hong Kong, Hong Kong, China.
- Chongqing International Institute for Immunology, Chongqing, China.
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12
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Kang M, Lee HS, Choi JK, Yu CR, Egwuagu CE. Deletion of Irf4 in T Cells Suppressed Autoimmune Uveitis and Dysregulated Transcriptional Programs Linked to CD4 + T Cell Differentiation and Metabolism. Int J Mol Sci 2021; 22:ijms22052775. [PMID: 33803441 PMCID: PMC7967141 DOI: 10.3390/ijms22052775] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2021] [Revised: 03/01/2021] [Accepted: 03/05/2021] [Indexed: 02/06/2023] Open
Abstract
Interferon regulatory factor-4 (IRF4) and IRF8 regulate differentiation, growth and functions of lymphoid and myeloid cells. Targeted deletion of irf8 in T cells (CD4-IRF8KO) has been shown to exacerbate colitis and experimental autoimmune uveitis (EAU), a mouse model of human uveitis. We therefore generated mice lacking irf4 in T cells (CD4-IRF4KO) and investigated whether expression of IRF4 by T cells is also required for regulating T cells that suppress autoimmune diseases. Surprisingly, we found that CD4-IRF4KO mice are resistant to EAU. Suppression of EAU derived in part from inhibiting pathogenic responses of Th17 cells while inducing expansion of regulatory lymphocytes that secrete IL-10 and/or IL-35 in the eye and peripheral lymphoid tissues. Furthermore, CD4-IRF4KO T cells exhibit alterations in cell metabolism and are defective in the expression of two Ikaros zinc-finger (IKZF) transcription factors (Ikaros, Aiolos) that are required for lymphocyte differentiation, metabolism and cell-fate decisions. Thus, synergistic effects of IRF4 and IkZFs might induce metabolic reprogramming of differentiating lymphocytes and thereby dynamically regulate relative abundance of T and B lymphocyte subsets that mediate immunopathogenic mechanisms during uveitis. Moreover, the diametrically opposite effects of IRF4 and IRF8 during EAU suggests that intrinsic function of IRF4 in T cells might be activating proinflammatory responses while IRF8 promotes expansion of immune-suppressive mechanisms.
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Affiliation(s)
- Minkyung Kang
- Molecular Immunology Section, Laboratory of Immunology, National Eye Institute (NEI), National Institute of Health, Bethesda, MD 20892, USA; (M.K.); (H.-S.L.); (J.K.C.); (C.-R.Y.)
| | - Hyun-Su Lee
- Molecular Immunology Section, Laboratory of Immunology, National Eye Institute (NEI), National Institute of Health, Bethesda, MD 20892, USA; (M.K.); (H.-S.L.); (J.K.C.); (C.-R.Y.)
| | - Jin Kyeong Choi
- Molecular Immunology Section, Laboratory of Immunology, National Eye Institute (NEI), National Institute of Health, Bethesda, MD 20892, USA; (M.K.); (H.-S.L.); (J.K.C.); (C.-R.Y.)
- Department of Immunology, Jeonbuk National University Medical School, Jeonju, Jeonbuk 54907, Korea
| | - Cheng-Rong Yu
- Molecular Immunology Section, Laboratory of Immunology, National Eye Institute (NEI), National Institute of Health, Bethesda, MD 20892, USA; (M.K.); (H.-S.L.); (J.K.C.); (C.-R.Y.)
| | - Charles E. Egwuagu
- Molecular Immunology Section, Laboratory of Immunology, National Eye Institute (NEI), National Institute of Health, Bethesda, MD 20892, USA; (M.K.); (H.-S.L.); (J.K.C.); (C.-R.Y.)
- Correspondence: ; Tel.: +301-496-0049; Fax: +301-480-3914
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13
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Buchele V, Konein P, Vogler T, Kunert T, Enderle K, Khan H, Büttner-Herold M, Lehmann CHK, Amon L, Wirtz S, Dudziak D, Neurath MF, Neufert C, Hildner K. Th17 Cell-Mediated Colitis Is Positively Regulated by Interferon Regulatory Factor 4 in a T Cell- Extrinsic Manner. Front Immunol 2021; 11:590893. [PMID: 33584655 PMCID: PMC7879684 DOI: 10.3389/fimmu.2020.590893] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2020] [Accepted: 12/08/2020] [Indexed: 01/14/2023] Open
Abstract
Inflammatory bowel diseases (IBDs) are characterized by chronic, inflammatory gastrointestinal lesions and often require life-long treatment with immunosuppressants and repetitive surgical interventions. Despite progress in respect to the characterization of molecular mechanisms e.g. exerted by TNF-alpha, currently clinically approved therapeutics fail to provide long-term disease control for most patients. The transcription factor interferon regulatory factor 4 (IRF4) has been shown to play important developmental as well as functional roles within multiple immune cells. In the context of colitis, a T cell-intrinsic role of IRF4 in driving immune-mediated gut pathology is established. Here, we conversely addressed the impact of IRF4 inactivation in non-T cells on T cell driven colitis in vivo. Employing the CD4+CD25- naïve T cell transfer model, we found that T cells fail to elicit colitis in IRF4-deficient compared to IRF4-proficient Rag1-/- mice. Reduced colitis activity in the absence of IRF4 was accompanied by hampered T cell expansion both within the mesenteric lymph node (MLN) and colonic lamina propria (cLP). Furthermore, the influx of various myeloids, presumably inflammation-promoting cells was abrogated overall leading to a less disrupted intestinal barrier. Mechanistically, gene profiling experiments revealed a Th17 response dominated molecular expression signature in colon tissues of IRF4-proficient, colitic Rag1-/- but not in colitis-protected Rag1-/-Irf4-/- mice. Colitis mitigation in Rag1-/-Irf4-/- T cell recipients resulted in reduced frequencies and absolute numbers of IL-17a-producing T cell subsets in MLN and cLP possibly due to a regulation of conventional dendritic cell subset 2 (cDC2) known to impact Th17 differentiation. Together, extending the T cell-intrinsic role for IRF4 in the context of Th17 cell driven colitis, the provided data demonstrate a Th17-inducing and thereby colitis-promoting role of IRF4 through a T cell-extrinsic mechanism highlighting IRF4 as a putative molecular master switch among transcriptional regulators driving immune-mediated intestinal inflammation through both T cell-intrinsic and T cell-extrinsic mechanisms. Future studies need to further dissect IRF4 controlled pathways within distinct IRF4-expressing myeloid cell types, especially cDC2s, to elucidate the precise mechanisms accounting for hampered Th17 formation and, according to our data, the predominant mechanism of colitis protection in Rag1-/-Irf4-/- T cell receiving mice.
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Affiliation(s)
- Vera Buchele
- Department of Medicine 1, University Hospital Erlangen, University of Erlangen-Nuremberg, Erlangen, Germany
- Deutsches Zentrum Immuntherapie (DZI), University Hospital Erlangen, University of Erlangen-Nuremberg, Erlangen, Germany
| | - Patrick Konein
- Department of Medicine 1, University Hospital Erlangen, University of Erlangen-Nuremberg, Erlangen, Germany
- Deutsches Zentrum Immuntherapie (DZI), University Hospital Erlangen, University of Erlangen-Nuremberg, Erlangen, Germany
| | - Tina Vogler
- Department of Medicine 1, University Hospital Erlangen, University of Erlangen-Nuremberg, Erlangen, Germany
- Deutsches Zentrum Immuntherapie (DZI), University Hospital Erlangen, University of Erlangen-Nuremberg, Erlangen, Germany
| | - Timo Kunert
- Department of Medicine 1, University Hospital Erlangen, University of Erlangen-Nuremberg, Erlangen, Germany
- Deutsches Zentrum Immuntherapie (DZI), University Hospital Erlangen, University of Erlangen-Nuremberg, Erlangen, Germany
| | - Karin Enderle
- Department of Medicine 1, University Hospital Erlangen, University of Erlangen-Nuremberg, Erlangen, Germany
- Deutsches Zentrum Immuntherapie (DZI), University Hospital Erlangen, University of Erlangen-Nuremberg, Erlangen, Germany
| | - Hanif Khan
- Department of Medicine 1, University Hospital Erlangen, University of Erlangen-Nuremberg, Erlangen, Germany
- Deutsches Zentrum Immuntherapie (DZI), University Hospital Erlangen, University of Erlangen-Nuremberg, Erlangen, Germany
| | - Maike Büttner-Herold
- Institute of Pathology, Department of Nephropathology, University Hospital Erlangen, Erlangen, Germany
| | - Christian H. K. Lehmann
- Deutsches Zentrum Immuntherapie (DZI), University Hospital Erlangen, University of Erlangen-Nuremberg, Erlangen, Germany
- Laboratory of Dendritic Cell Biology, Department of Dermatology, University Hospital Erlangen, Friedrich-Alexander University of Erlangen-Nuremberg, Erlangen, Germany
| | - Lukas Amon
- Deutsches Zentrum Immuntherapie (DZI), University Hospital Erlangen, University of Erlangen-Nuremberg, Erlangen, Germany
- Laboratory of Dendritic Cell Biology, Department of Dermatology, University Hospital Erlangen, Friedrich-Alexander University of Erlangen-Nuremberg, Erlangen, Germany
| | - Stefan Wirtz
- Department of Medicine 1, University Hospital Erlangen, University of Erlangen-Nuremberg, Erlangen, Germany
- Deutsches Zentrum Immuntherapie (DZI), University Hospital Erlangen, University of Erlangen-Nuremberg, Erlangen, Germany
| | - Diana Dudziak
- Deutsches Zentrum Immuntherapie (DZI), University Hospital Erlangen, University of Erlangen-Nuremberg, Erlangen, Germany
- Laboratory of Dendritic Cell Biology, Department of Dermatology, University Hospital Erlangen, Friedrich-Alexander University of Erlangen-Nuremberg, Erlangen, Germany
| | - Markus F. Neurath
- Department of Medicine 1, University Hospital Erlangen, University of Erlangen-Nuremberg, Erlangen, Germany
- Deutsches Zentrum Immuntherapie (DZI), University Hospital Erlangen, University of Erlangen-Nuremberg, Erlangen, Germany
| | - Clemens Neufert
- Department of Medicine 1, University Hospital Erlangen, University of Erlangen-Nuremberg, Erlangen, Germany
- Deutsches Zentrum Immuntherapie (DZI), University Hospital Erlangen, University of Erlangen-Nuremberg, Erlangen, Germany
| | - Kai Hildner
- Department of Medicine 1, University Hospital Erlangen, University of Erlangen-Nuremberg, Erlangen, Germany
- Deutsches Zentrum Immuntherapie (DZI), University Hospital Erlangen, University of Erlangen-Nuremberg, Erlangen, Germany
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Park SJ, Lee K, Kang MA, Kim TH, Jang HJ, Ryu HW, Oh SR, Lee HJ. Tilianin attenuates HDM-induced allergic asthma by suppressing Th2-immune responses via downregulation of IRF4 in dendritic cells. Phytomedicine 2021; 80:153392. [PMID: 33113503 DOI: 10.1016/j.phymed.2020.153392] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [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: 06/26/2020] [Revised: 10/14/2020] [Accepted: 10/16/2020] [Indexed: 06/11/2023]
Abstract
BACKGROUND Acacetin 7-O-β-D-glucoside (tilianin) is a major constituent of Agastache rugosa, a traditional medicine that has long been used for the treatment of gastrointestinal disorders. Tilianin has a wide variety of pharmacological properties such as cardioprotective, neuroprotective, and anti-atherogenic activities. We recently discovered that tilianin has the ability to suppress MUC5AC expression in vitro. In addition, we have established an in vivo model of allergic asthma using house dust mite (HDM) that can be applied to tilianin. PURPOSE We investigated the effects of tilianin on airway inflammation in a HDM-induced asthma mouse model and associated mechanisms. METHODS Tilianin was treated in splenocytes cultured in Th0 condition and HDM-stimulated bone marrow-derived dendritic cells (BMDCs), and their mRNA expression and cytokines production were determined by quantitative real-time PCR and ELISA. To evaluate the effects of tilianin in an allergic asthma model, mice were sensitized and challenged with HDM. Tilianin was administered prior to challenge by oral gavage and airway hyper-reactivity (AHR) to methacholine, inflammatory cell infiltration, cytokine levels, and airway remodeling were assessed. RESULTS Tilianin inhibited the production of Th2-related cytokines in splenocytes, which play pivotal roles in allergic airway inflammation. When treated in HDM-stimulated BMDCs, tilianin decreased Th2-skewing cytokine IL-33 and transcription factor IRF4. On the contrary, tilianin increased Th1-skewing regulators, IL-12 and IRF1. In an HDM-induced asthmatic mouse model, tilianin attenuated AHR and airway inflammation. Tilianin suppressed the expression of Th2-related cytokines, IL-13 and IL-33 in lung tissues. As seen in HDM-stimulated BMDCs, tilianin also downregulated the expression of the transcription factor IRF4 but not IRF1. CONCLUSION Taken together, these results suggest that tilianin attenuates HDM-induced allergic airway inflammation by inhibiting Th2-mediated inflammation through the selective inhibition of the IRF4-IL-33 axis in dendritic cells.
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Affiliation(s)
- Soo-Jin Park
- Natural Medicine Research Center, Korea Research Institute of Bioscience and Biotechnology, Cheong-ju si, Chungcheongbuk-do, 28116, South Korea
| | - Kiram Lee
- Natural Medicine Research Center, Korea Research Institute of Bioscience and Biotechnology, Cheong-ju si, Chungcheongbuk-do, 28116, South Korea; Department of Biomolecular Science, University of Science & Technology (UST), Daejeon 341113, South Korea
| | - Min-Ah Kang
- Natural Medicine Research Center, Korea Research Institute of Bioscience and Biotechnology, Cheong-ju si, Chungcheongbuk-do, 28116, South Korea
| | - Tae-Hyoun Kim
- Natural Medicine Research Center, Korea Research Institute of Bioscience and Biotechnology, Cheong-ju si, Chungcheongbuk-do, 28116, South Korea
| | - Hyun-Jae Jang
- Natural Medicine Research Center, Korea Research Institute of Bioscience and Biotechnology, Cheong-ju si, Chungcheongbuk-do, 28116, South Korea
| | - Hyung Won Ryu
- Natural Medicine Research Center, Korea Research Institute of Bioscience and Biotechnology, Cheong-ju si, Chungcheongbuk-do, 28116, South Korea
| | - Sei-Ryang Oh
- Natural Medicine Research Center, Korea Research Institute of Bioscience and Biotechnology, Cheong-ju si, Chungcheongbuk-do, 28116, South Korea
| | - Hyun-Jun Lee
- Natural Medicine Research Center, Korea Research Institute of Bioscience and Biotechnology, Cheong-ju si, Chungcheongbuk-do, 28116, South Korea.
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Guan Y, Chen X, Luo T, Ao J, Ai C, Chen X. Molecular characterization of the interferon regulatory factor (IRF) family and functional analysis of IRF11 in the large yellow croaker (Larimichthys crocea). Fish Shellfish Immunol 2020; 107:218-229. [PMID: 33011435 DOI: 10.1016/j.fsi.2020.10.001] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [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: 09/03/2020] [Revised: 09/29/2020] [Accepted: 10/01/2020] [Indexed: 06/11/2023]
Abstract
Interferon regulatory factors (IRFs) are a family of transcription factors involved in regulating interferon (IFN) responses and immune cell development. A total of 11 IRFs have been identified in teleost fish. Here, a complete repertoire of 11 IRFs (LcIRFs) in the large yellow croaker (Larimichthys crocea) was characterized with the addition of five newly identified members, LcIRF2, LcIRF5, LcIRF6, LcIRF10, and LcIRF11. These five LcIRFs possess a DNA-binding domain (DBD) at the N-terminal that contains five to six conserved tryptophan residues and an IRF-association domain (IAD) or IAD2 at the C-terminal that is responsible for interaction with other IRFs or co-modulators. Phylogenetic analysis showed that the 11 LcIRFs were divided into four clades including the IRF1 subfamily, IRF3 subfamily, IRF4 subfamily, and IRF5 subfamily. These are evolutionarily related to their respective counterparts in other fish species. The 11 LcIRFs were constitutively expressed in all examined tissues, although at different expression levels. Upon polyinosinic: polycytidylic acid (poly (I:C)) stimulation, the expression of all 11 LcIRFs was significantly induced in the head kidney and reached the highest levels at 6 h post-stimulation (except LcIRF4). LcIRF1, LcIRF3, LcIRF7, LcIRF8, and LcIRF10 were more strongly induced by poly (I:C) than the other LcIRFs. Significant induction of all LcIRFs was observed in the spleen, with LcIRF2, LcIRF5, LcIRF6, LcIRF7, LcIRF9, and LcIRF11 reaching their highest levels at 48 h LcIRF3 and LcIRF11 showed a stronger response to poly (I:C) in the spleen than the other LcIRFs. In addition, LcIRF1, LcIRF3, LcIRF7, LcIRF9, LcIRF10, and LcIRF11 were significantly induced by Vibro alginolyticus in both the spleen and the head kidney, with LcIRF1 strongly induced. Thus, LcIRFs exhibited differential inducible expression patterns in response to different stimuli in different tissues, suggesting that LcIRFs have different functions in the regulation of immune responses. Furthermore, overexpression of LcIRF11 activated the promoters of LcIFNc, LcIFNd, and LcIFNh, and differentially induced the expression levels of LcIFNs and IFN-stimulated genes (ISGs). Overexpression of LcIRF11 in epithelioma papulosum cyprinid (EPC) cells inhibited the replication of viral genes after infection of spring viremia of carp virus (SVCV). These data suggested that LcIRF11 may function as a positive regulator in regulating the cellular antiviral response through induction of type I IFN expression. Taken together, the present study reported molecular characterization and expression analysis of 11 IRFs in the large yellow croaker, and investigated the role of LcIRF11 in the antiviral response, which laid a good foundation for further study on the evolution and functional characterization of fish IRFs.
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Affiliation(s)
- Yanyun Guan
- College of Ocean and Earth Sciences, Xiamen University, Xiamen, 361102, PR China; Key Laboratory of Marine Biotechnology of Fujian Province, Institute of Oceanology, Fujian Agriculture and Forestry University, Fuzhou, 350002, PR China
| | - Xiaojuan Chen
- Key Laboratory of Marine Biotechnology of Fujian Province, Institute of Oceanology, Fujian Agriculture and Forestry University, Fuzhou, 350002, PR China
| | - Tian Luo
- Key Laboratory of Marine Biotechnology of Fujian Province, Institute of Oceanology, Fujian Agriculture and Forestry University, Fuzhou, 350002, PR China
| | - Jingqun Ao
- Key Laboratory of Marine Biogenetic Resources, Third Institute of Oceanography, Ministry of Natural Resources, Xiamen, 361005, PR China
| | - Chunxiang Ai
- College of Ocean and Earth Sciences, Xiamen University, Xiamen, 361102, PR China.
| | - Xinhua Chen
- College of Ocean and Earth Sciences, Xiamen University, Xiamen, 361102, PR China; Key Laboratory of Marine Biotechnology of Fujian Province, Institute of Oceanology, Fujian Agriculture and Forestry University, Fuzhou, 350002, PR China; Southern Marine Science and Engineering Guangdong Laboratory (Zhuhai), Zhuhai, 519000, PR China.
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16
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Lai CF, Wang TY, Yeh MI, Chen TY. Characterization of orange-spotted grouper (Epinephelus coioides) interferon regulatory factor 4 regulated by heat shock factor 1 during heat stress in response to antiviral immunity. Fish Shellfish Immunol 2020; 106:755-767. [PMID: 32858187 DOI: 10.1016/j.fsi.2020.08.033] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [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: 03/31/2020] [Revised: 08/09/2020] [Accepted: 08/20/2020] [Indexed: 06/11/2023]
Abstract
Interferon regulatory factor 4 (IRF4), in conjunction with thermogenic regulation, is a negative regulator of immune responses. Therefore, we examined whether temperature changes regulated the antiviral response of IRF4 in nervous necrosis virus (NNV)-infected orange-spotted groupers. We found that osgIRF4 mRNA expression was responsive to poly I:C stimulation and NNV infection. In vitro overexpression of osgIRF4 caused a marked decrease in the promoter activity of the antiviral protein Mx1, and magnified NNV replication. Notably, we showed that the IAD domain of osgIRF4 exerted a dominant inhibitory effect on the Mx1 promoter. Furthermore, on exposure to high temperatures, the action of osgIRF4 was dependent on heat shock factor 1 (HSF1) expression. Additionally, small interfering RNA knockdown of HSF1 abrogated high temperature-mediated osgIRF4 activity. These findings suggest that osgIRF4 is an essential negative regulator of innate antiviral immunity and enhances viral replication during heat stress in the orange-spotted grouper.
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Affiliation(s)
- Chai Foong Lai
- Laboratory of Molecular Genetics, Department of Biotechnology and Bioindustry Sciences, College of Bioscience and Biotechnology, National Cheng Kung University, Tainan, Taiwan; Institute of Biotechnology, College of Bioscience and Biotechnology, National Cheng Kung University, Tainan, Taiwan; Translational Center for Marine Biotechnology, National Cheng Kung University, Tainan, Taiwan; Agriculture Biotechnology Research Center, National Cheng Kung University, Tainan, Taiwan
| | - Ting-Yu Wang
- Institute of Biotechnology, College of Bioscience and Biotechnology, National Cheng Kung University, Tainan, Taiwan; Translational Center for Marine Biotechnology, National Cheng Kung University, Tainan, Taiwan; Agriculture Biotechnology Research Center, National Cheng Kung University, Tainan, Taiwan
| | - Min-I Yeh
- Laboratory of Molecular Genetics, Department of Biotechnology and Bioindustry Sciences, College of Bioscience and Biotechnology, National Cheng Kung University, Tainan, Taiwan; Translational Center for Marine Biotechnology, National Cheng Kung University, Tainan, Taiwan; Agriculture Biotechnology Research Center, National Cheng Kung University, Tainan, Taiwan
| | - Tzong-Yueh Chen
- Laboratory of Molecular Genetics, Department of Biotechnology and Bioindustry Sciences, College of Bioscience and Biotechnology, National Cheng Kung University, Tainan, Taiwan; Institute of Biotechnology, College of Bioscience and Biotechnology, National Cheng Kung University, Tainan, Taiwan; Translational Center for Marine Biotechnology, National Cheng Kung University, Tainan, Taiwan; Agriculture Biotechnology Research Center, National Cheng Kung University, Tainan, Taiwan; University Center for Bioscience and Biotechnology, National Cheng Kung University, Tainan, Taiwan.
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17
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Zhang Z, Wei J, Ren R, Zhang X. Anti-virus effects of interferon regulatory factors (IRFs) identified in ascidian Ciona savignyi. Fish Shellfish Immunol 2020; 106:273-282. [PMID: 32750546 DOI: 10.1016/j.fsi.2020.07.059] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [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: 04/10/2020] [Revised: 07/24/2020] [Accepted: 07/27/2020] [Indexed: 06/11/2023]
Abstract
Interferon regulatory factors (IRFs) are key transcription factors that function in the immune system via the interferon (IFN) pathway. In the current study, we identified and characterized three IRFs (CsIRFL1, CsIRFL2, and CsIRFL3) from ascidian Ciona savignyi. Phylogenetic analysis showed that CsIRFL1 was clustered with two IRFs from Ciona robusta and shrimp IRF apart from the vertebrate IRFs, whereas CsIRFL2 and CsIRFL3 were grouped with an unnamed protein from Oikopleura dioica into a sub-branch highly identifying with the vertebrate IRF4, IRF8, and IRF9. Gene expression analysis revealed that CsIRFL1 and CsIRFL2 expressed in all the examined adult tissues (stomach, intestines, eggs, hemocytes, gonad, heart, and pharynx) and predominantly in hemocytes. However, the expression of CsIRFL3 was undetectable in the tested adult tissues. Furthermore, in situ hybridization showed that CsIRFL1 and CsIRFL2 mainly expressed in immunocytes within hemolymph, including phagocytes, macrophage-like cells, morula cells, and amoebocytes, suggesting CsIRFL1 and CsIRFL2 were involved in ascidian immune responses. We then performed LPS and poly(I:C) challenge assay and found that CsIRFL1 highly expressed in the cultured hemocytes following LPS infection for 24 h. After viral analogue poly(I:C) stimulation, the expression of CsIRFL2 was dramatically upregulated from 12 to 24 h. Meanwhile, two critical components of the IFN signaling pathways, STAT and TBK1, showed the increased expression as well after poly(I:C) induction, indicating that CsIRFL2 and IFN pathways genes were activated under the infection of viral analogue. Thus, our findings suggested that CsIRFL2 was a potential transcriptional regulatory factor that participated in regulating the ascidian anti-virus immune response.
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Affiliation(s)
- Zhaoxuan Zhang
- Ministry of Education Key Laboratory of Marine Genetics and Breeding, College of Marine Life Sciences, Ocean University of China, Qingdao, 266003, China; Laboratory for Marine Biology and Biotechnology, Qingdao National Laboratory for Marine Science and Technology, Qingdao, 266237, China
| | - Jiankai Wei
- Ministry of Education Key Laboratory of Marine Genetics and Breeding, College of Marine Life Sciences, Ocean University of China, Qingdao, 266003, China; Laboratory for Marine Biology and Biotechnology, Qingdao National Laboratory for Marine Science and Technology, Qingdao, 266237, China; Institute of Evolution and Marine Biodiversity, Ocean University of China, Qingdao, 266003, China
| | - Ruimei Ren
- Department of Radiation Oncology, The Affiliated Hospital of Qingdao University, Qingdao, 266003, China.
| | - Xiaoming Zhang
- Ministry of Education Key Laboratory of Marine Genetics and Breeding, College of Marine Life Sciences, Ocean University of China, Qingdao, 266003, China; Laboratory for Marine Biology and Biotechnology, Qingdao National Laboratory for Marine Science and Technology, Qingdao, 266237, China; Institute of Evolution and Marine Biodiversity, Ocean University of China, Qingdao, 266003, China.
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18
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Kato Y, Abbott RK, Freeman BL, Haupt S, Groschel B, Silva M, Menis S, Irvine DJ, Schief WR, Crotty S. Multifaceted Effects of Antigen Valency on B Cell Response Composition and Differentiation In Vivo. Immunity 2020; 53:548-563.e8. [PMID: 32857950 PMCID: PMC7451196 DOI: 10.1016/j.immuni.2020.08.001] [Citation(s) in RCA: 129] [Impact Index Per Article: 32.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2020] [Revised: 06/03/2020] [Accepted: 08/04/2020] [Indexed: 12/11/2022]
Abstract
How antigen valency affects B cells in vivo during immune responses is not well understood. Here, using HIV immunogens with defined valencies ranging from 1 to 60, we investigated the role of antigen valency during different phases of B cell responses in vivo. Highly multimerized immunogens preferentially rapidly activated cognate B cells, with little affinity discrimination. This led to strong early induction of the transcription factors IRF4 (interferon regulatory factor 4) and Bcl6, driving both early extrafollicular plasma cell and germinal center responses, in a CD4+ T-cell-dependent manner, involving B cells with a broad range of affinities. Low-valency antigens induced smaller effector B cell responses, with preferential recruitment of high-affinity B cells. Thus, antigen valency has multifaceted effects on B cell responses and can dictate affinity thresholds and competitive landscapes for B cells in vivo, with implications for vaccine design. Antigen valency dictates the magnitude and composition of B cell responses High valency enables robust activation and effector differentiation of B cells Antigen valency alters breadth of B cell affinities recruited
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Affiliation(s)
- Yu Kato
- Center for Infectious Disease and Vaccine Research, La Jolla Institute for Immunology (LJI), La Jolla, CA 92037, USA; Scripps Consortium for HIV/AIDS Vaccine Development (CHAVD), La Jolla, CA 92037, USA
| | - Robert K Abbott
- Center for Infectious Disease and Vaccine Research, La Jolla Institute for Immunology (LJI), La Jolla, CA 92037, USA; Scripps Consortium for HIV/AIDS Vaccine Development (CHAVD), La Jolla, CA 92037, USA
| | - Brian L Freeman
- Center for Infectious Disease and Vaccine Research, La Jolla Institute for Immunology (LJI), La Jolla, CA 92037, USA
| | - Sonya Haupt
- Center for Infectious Disease and Vaccine Research, La Jolla Institute for Immunology (LJI), La Jolla, CA 92037, USA; Department of Medicine, Division of Infectious Diseases and Global Public Health, University of California, San Diego (UCSD), La Jolla, CA 92037, USA
| | - Bettina Groschel
- Scripps Consortium for HIV/AIDS Vaccine Development (CHAVD), La Jolla, CA 92037, USA; Department of Immunology and Microbiology, The Scripps Research Institute, La Jolla, CA 92037, USA; IAVI Neutralizing Antibody Center, The Scripps Research Institute, La Jolla, CA 92037, USA
| | - Murillo Silva
- Scripps Consortium for HIV/AIDS Vaccine Development (CHAVD), La Jolla, CA 92037, USA; Koch Institute for Integrative Cancer Research, Massachusetts Institute of Technology
| | - Sergey Menis
- Scripps Consortium for HIV/AIDS Vaccine Development (CHAVD), La Jolla, CA 92037, USA; Department of Immunology and Microbiology, The Scripps Research Institute, La Jolla, CA 92037, USA; IAVI Neutralizing Antibody Center, The Scripps Research Institute, La Jolla, CA 92037, USA
| | - Darrell J Irvine
- Scripps Consortium for HIV/AIDS Vaccine Development (CHAVD), La Jolla, CA 92037, USA; Koch Institute for Integrative Cancer Research, Massachusetts Institute of Technology; Department of Biological Engineering, Massachusetts Institute of Technology, Cambridge, MA 02139, USA; Department of Materials Science and Engineering, Massachusetts Institute of Technology, Cambridge, MA 02139, USA; The Ragon Institute of Massachusetts General Hospital, Massachusetts Institute of Technology and Harvard University, Cambridge, MA 02139, USA; Howard Hughes Medical Institute, Chevy Chase, MD 20815, USA
| | - William R Schief
- Scripps Consortium for HIV/AIDS Vaccine Development (CHAVD), La Jolla, CA 92037, USA; Department of Immunology and Microbiology, The Scripps Research Institute, La Jolla, CA 92037, USA; IAVI Neutralizing Antibody Center, The Scripps Research Institute, La Jolla, CA 92037, USA; The Ragon Institute of Massachusetts General Hospital, Massachusetts Institute of Technology and Harvard University, Cambridge, MA 02139, USA.
| | - Shane Crotty
- Center for Infectious Disease and Vaccine Research, La Jolla Institute for Immunology (LJI), La Jolla, CA 92037, USA; Scripps Consortium for HIV/AIDS Vaccine Development (CHAVD), La Jolla, CA 92037, USA; Department of Medicine, Division of Infectious Diseases and Global Public Health, University of California, San Diego (UCSD), La Jolla, CA 92037, USA.
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19
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Brune Z, Rice MR, Barnes BJ. Potential T Cell-Intrinsic Regulatory Roles for IRF5 via Cytokine Modulation in T Helper Subset Differentiation and Function. Front Immunol 2020; 11:1143. [PMID: 32582209 PMCID: PMC7283537 DOI: 10.3389/fimmu.2020.01143] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/06/2020] [Accepted: 05/11/2020] [Indexed: 12/24/2022] Open
Abstract
Interferon Regulatory Factor 5 (IRF5) is one of nine members of the IRF family of transcription factors. Although initially discovered as a key regulator of the type I interferon and pro-inflammatory cytokine arm of the innate immune response, IRF5 has now been found to also mediate pathways involved in cell growth and differentiation, apoptosis, metabolic homeostasis and tumor suppression. Hyperactivation of IRF5 has been implicated in numerous autoimmune diseases, chief among them systemic lupus erythematosus (SLE). SLE is a heterogeneous autoimmune disease in which patients often share similar characteristics in terms of autoantibody production and strong genetic risk factors, yet also possess unique disease signatures. IRF5 pathogenic alleles contribute one of the strongest risk factors for SLE disease development. Multiple models of murine lupus have shown that loss of Irf5 is protective against disease development. In an attempt to elucidate the regulatory role(s) of IRF5 in driving SLE pathogenesis, labs have begun to examine the function of IRF5 in several immune cell types, including B cells, macrophages, and dendritic cells. A somewhat untouched area of research on IRF5 is in T cells, even though Irf5 knockout mice were reported to have skewing of T cell subsets from T helper 1 (Th1) and T helper 17 (Th17) toward T helper 2 (Th2), indicating a potential role for IRF5 in T cell regulation. However, most studies attributed this T cell phenotype in Irf5 knockout mice to dysregulation of antigen presenting cell function rather than an intrinsic role for IRF5 in T cells. In this review, we offer a different interpretation of the literature. The role of IRF5 in T cells, specifically its control of T cell effector polarization and the resultant T cell-mediated cytokine production, has yet to be elucidated. A strong understanding of the regulatory role(s) of this key transcription factor in T cells is necessary for us to grasp the full picture of the complex pathogenesis of autoimmune diseases like SLE.
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Affiliation(s)
- Zarina Brune
- Zucker School of Medicine at Hofstra/Northwell, Hempstead, NY, United States
- Center for Autoimmune Musculoskeletal and Hematopoietic Diseases, The Feinstein Institutes for Medical Research, Manhasset, NY, United States
| | - Matthew R. Rice
- Zucker School of Medicine at Hofstra/Northwell, Hempstead, NY, United States
- Center for Autoimmune Musculoskeletal and Hematopoietic Diseases, The Feinstein Institutes for Medical Research, Manhasset, NY, United States
| | - Betsy J. Barnes
- Center for Autoimmune Musculoskeletal and Hematopoietic Diseases, The Feinstein Institutes for Medical Research, Manhasset, NY, United States
- Departments of Molecular Medicine and Pediatrics, Zucker School of Medicine at Hofstra/Northwell, Hempstead, NY, United States
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20
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Sawalha AH, Zhao M, Coit P, Lu Q. Epigenetic dysregulation of ACE2 and interferon-regulated genes might suggest increased COVID-19 susceptibility and severity in lupus patients. Clin Immunol 2020; 215:108410. [PMID: 32276140 PMCID: PMC7139239 DOI: 10.1016/j.clim.2020.108410] [Citation(s) in RCA: 176] [Impact Index Per Article: 44.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2020] [Revised: 04/04/2020] [Accepted: 04/04/2020] [Indexed: 12/13/2022]
Abstract
Infection caused by SARS-CoV-2 can result in severe respiratory complications and death. Patients with a compromised immune system are expected to be more susceptible to a severe disease course. In this report we suggest that patients with systemic lupus erythematous might be especially prone to severe COVID-19 independent of their immunosuppressed state from lupus treatment. Specifically, we provide evidence in lupus to suggest hypomethylation and overexpression of ACE2, which is located on the X chromosome and encodes a functional receptor for the SARS-CoV-2 spike glycoprotein. Oxidative stress induced by viral infections exacerbates the DNA methylation defect in lupus, possibly resulting in further ACE2 hypomethylation and enhanced viremia. In addition, demethylation of interferon-regulated genes, NFκB, and key cytokine genes in lupus patients might exacerbate the immune response to SARS-CoV-2 and increase the likelihood of cytokine storm. These arguments suggest that inherent epigenetic dysregulation in lupus might facilitate viral entry, viremia, and an excessive immune response to SARS-CoV-2. Further, maintaining disease remission in lupus patients is critical to prevent a vicious cycle of demethylation and increased oxidative stress, which will exacerbate susceptibility to SARS-CoV-2 infection during the current pandemic. Epigenetic control of the ACE2 gene might be a target for prevention and therapy in COVID-19.
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MESH Headings
- Angiotensin-Converting Enzyme 2
- Betacoronavirus/immunology
- Betacoronavirus/pathogenicity
- CD11a Antigen/genetics
- CD11a Antigen/immunology
- COVID-19
- Coronavirus Infections/complications
- Coronavirus Infections/epidemiology
- Coronavirus Infections/genetics
- Coronavirus Infections/immunology
- Cytokines/genetics
- Cytokines/immunology
- DNA Methylation
- Disease Progression
- Epigenesis, Genetic
- Genetic Predisposition to Disease
- Host-Pathogen Interactions/genetics
- Host-Pathogen Interactions/immunology
- Humans
- Interferon Regulatory Factors/genetics
- Interferon Regulatory Factors/immunology
- Lupus Erythematosus, Systemic/complications
- Lupus Erythematosus, Systemic/epidemiology
- Lupus Erythematosus, Systemic/genetics
- Lupus Erythematosus, Systemic/immunology
- NF-kappa B/genetics
- NF-kappa B/immunology
- Oxidative Stress/genetics
- Oxidative Stress/immunology
- Pandemics
- Peptidyl-Dipeptidase A/genetics
- Peptidyl-Dipeptidase A/immunology
- Pneumonia, Viral/complications
- Pneumonia, Viral/epidemiology
- Pneumonia, Viral/genetics
- Pneumonia, Viral/immunology
- Protein Binding
- Receptors, KIR/genetics
- Receptors, KIR/immunology
- SARS-CoV-2
- Signal Transduction
- Spike Glycoprotein, Coronavirus/genetics
- Spike Glycoprotein, Coronavirus/immunology
- Viremia/complications
- Viremia/epidemiology
- Viremia/genetics
- Viremia/immunology
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Affiliation(s)
- Amr H Sawalha
- Division of Rheumatology, Department of Pediatrics, Children's Hospital of Pittsburgh, University of Pittsburgh, Pittsburgh, PA, USA; Division of Rheumatology and Clinical Immunology, Department of Medicine, University of Pittsburgh, Pittsburgh, PA, USA; Lupus Center of Excellence, University of Pittsburgh School of Medicine, Pittsburgh, PA, USA.
| | - Ming Zhao
- Department of Dermatology, The Second Xiangya Hospital of Central South University, Changsha, Hunan, China; Hunan Key Laboratory of Medical Epigenomics, The Second Xiangya Hospital of Central South University, Changsha, Hunan, China
| | - Patrick Coit
- Division of Rheumatology, Department of Pediatrics, Children's Hospital of Pittsburgh, University of Pittsburgh, Pittsburgh, PA, USA; Graduate Immunology Program, University of Michigan School of Medicine, Ann Arbor, MI, USA
| | - Qianjin Lu
- Department of Dermatology, The Second Xiangya Hospital of Central South University, Changsha, Hunan, China; Hunan Key Laboratory of Medical Epigenomics, The Second Xiangya Hospital of Central South University, Changsha, Hunan, China
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21
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Alvisi G, Brummelman J, Puccio S, Mazza EM, Tomada EP, Losurdo A, Zanon V, Peano C, Colombo FS, Scarpa A, Alloisio M, Vasanthakumar A, Roychoudhuri R, Kallikourdis M, Pagani M, Lopci E, Novellis P, Blume J, Kallies A, Veronesi G, Lugli E. IRF4 instructs effector Treg differentiation and immune suppression in human cancer. J Clin Invest 2020; 130:3137-3150. [PMID: 32125291 PMCID: PMC7260038 DOI: 10.1172/jci130426] [Citation(s) in RCA: 93] [Impact Index Per Article: 23.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/28/2019] [Accepted: 02/26/2020] [Indexed: 12/29/2022] Open
Abstract
The molecular mechanisms responsible for the high immunosuppressive capacity of CD4+ Tregs in tumors are not well known. High-dimensional single-cell profiling of T cells from chemotherapy-naive individuals with non-small-cell lung cancer identified the transcription factor IRF4 as specifically expressed by a subset of intratumoral CD4+ effector Tregs with superior suppressive activity. In contrast to the IRF4- counterparts, IRF4+ Tregs expressed a vast array of suppressive molecules, and their presence correlated with multiple exhausted subpopulations of T cells. Integration of transcriptomic and epigenomic data revealed that IRF4, either alone or in combination with its partner BATF, directly controlled a molecular program responsible for immunosuppression in tumors. Accordingly, deletion of Irf4 exclusively in Tregs resulted in delayed tumor growth in mice while the abundance of IRF4+ Tregs correlated with poor prognosis in patients with multiple human cancers. Thus, a common mechanism underlies immunosuppression in the tumor microenvironment irrespective of the tumor type.
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Affiliation(s)
- Giorgia Alvisi
- Laboratory of Translational Immunology, Humanitas Clinical and Research Center, Rozzano, Milan, Italy
| | - Jolanda Brummelman
- Laboratory of Translational Immunology, Humanitas Clinical and Research Center, Rozzano, Milan, Italy
| | - Simone Puccio
- Laboratory of Translational Immunology, Humanitas Clinical and Research Center, Rozzano, Milan, Italy
| | - Emilia M.C. Mazza
- Laboratory of Translational Immunology, Humanitas Clinical and Research Center, Rozzano, Milan, Italy
| | - Elisa Paoluzzi Tomada
- Laboratory of Translational Immunology, Humanitas Clinical and Research Center, Rozzano, Milan, Italy
| | - Agnese Losurdo
- Humanitas Clinical and Research Center – IRCCS, Humanitas Cancer Center, Rozzano, Milan, Italy
| | - Veronica Zanon
- Laboratory of Translational Immunology, Humanitas Clinical and Research Center, Rozzano, Milan, Italy
| | - Clelia Peano
- Division of Genetic and Biomedical Research, UOS Milan, National Research Council, Rozzano, Milan, Italy
- Genomic Unit and
| | - Federico S. Colombo
- Humanitas Flow Cytometry Core, Humanitas Clinical and Research Center, Rozzano, Milan, Italy
| | - Alice Scarpa
- Laboratory of Translational Immunology, Humanitas Clinical and Research Center, Rozzano, Milan, Italy
| | - Marco Alloisio
- Division of Thoracic Surgery, Humanitas Clinical and Research Hospital, Rozzano, Milan, Italy
- Biomedical Science Department, Humanitas University, Rozzano, Milan, Italy
| | - Ajithkumar Vasanthakumar
- Department of Microbiology and Immunology, The Peter Doherty Institute for Infection and Immunity, University of Melbourne, Melbourne, Victoria, Australia
| | - Rahul Roychoudhuri
- Laboratory of Lymphocyte Signalling and Development, Babraham Institute, Cambridge, United Kingdom
| | - Marinos Kallikourdis
- Adaptive Immunity Laboratory, Humanitas Clinical and Research Center, Rozzano, Milan
| | - Massimiliano Pagani
- Istituto Nazionale Genetica Molecolare “Romeo ed Enrica Invernizzi,” Milan, Italy
| | - Egesta Lopci
- Nuclear Medicine Department, Humanitas Clinical and Research Hospital, Rozzano, Milan, Italy
| | - Pierluigi Novellis
- Division of Thoracic Surgery, Humanitas Clinical and Research Hospital, Rozzano, Milan, Italy
| | - Jonas Blume
- Department of Microbiology and Immunology, The Peter Doherty Institute for Infection and Immunity, University of Melbourne, Melbourne, Victoria, Australia
| | - Axel Kallies
- Department of Microbiology and Immunology, The Peter Doherty Institute for Infection and Immunity, University of Melbourne, Melbourne, Victoria, Australia
| | - Giulia Veronesi
- Division of Thoracic Surgery, Humanitas Clinical and Research Hospital, Rozzano, Milan, Italy
| | - Enrico Lugli
- Laboratory of Translational Immunology, Humanitas Clinical and Research Center, Rozzano, Milan, Italy
- Humanitas Flow Cytometry Core, Humanitas Clinical and Research Center, Rozzano, Milan, Italy
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22
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Cook SL, Franke MC, Sievert EP, Sciammas R. A Synchronous IRF4-Dependent Gene Regulatory Network in B and Helper T Cells Orchestrating the Antibody Response. Trends Immunol 2020; 41:614-628. [PMID: 32467029 DOI: 10.1016/j.it.2020.05.001] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/21/2019] [Revised: 05/04/2020] [Accepted: 05/05/2020] [Indexed: 12/18/2022]
Abstract
Control of diverse pathogens requires an adaptive antibody response, dependent on cellular division of labor to allocate antigen-dependent B- and CD4+ T-cell fates that collaborate to control the quantity and quality of antibody. This is orchestrated by the dynamic action of key transcriptional regulators mediating gene expression programs in response to pathogen-specific environmental inputs. We describe a conserved, likely ancient, gene regulatory network that intriguingly operates contemporaneously in B and CD4+ T cells to control their cell fate dynamics and thus, the character of the antibody response. The remarkable output of this network derives from graded expression, designated by antigen receptor signal strength, of a pivotal transcription factor that regulates alternate cell fate choices.
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Affiliation(s)
- Sarah L Cook
- Center for Immunology and Infectious Diseases, University of California Davis, Davis, CA 95616, USA.
| | - Marissa C Franke
- Center for Immunology and Infectious Diseases, University of California Davis, Davis, CA 95616, USA
| | - Evelyn P Sievert
- Center for Immunology and Infectious Diseases, University of California Davis, Davis, CA 95616, USA
| | - Roger Sciammas
- Center for Immunology and Infectious Diseases, University of California Davis, Davis, CA 95616, USA
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23
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Gao Y, Jin H, Tan H, Wang Y, Wu J, Wang Y, Zhang J, Yang Y, Tian W, Hou R. The role of extracellular vesicles from stored RBC units in B lymphocyte survival and plasma cell differentiation. J Leukoc Biol 2020; 108:1765-1776. [PMID: 32421907 DOI: 10.1002/jlb.1a0220-666r] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [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: 11/28/2019] [Revised: 02/22/2020] [Accepted: 03/28/2020] [Indexed: 12/21/2022] Open
Abstract
Extracellular vesicles (EVs) are small, double-membrane vesicles derived from erythrocytes, leukocytes, platelets, and cells of multiple tissues under physiologic or pathologic conditions. The role of EVs in stored RBC units is of great interest with respect to transfusion-related immunomodulation. The current study focuses on the quantity of EVs isolated from stored RBC units and their action on B cell-mediated immune responses. The in vitro experiment demonstrated that EVs exhibited a negative role in B cell survival, plasmacytic differentiation, and class switch recombination under LPS stimulation. Furthermore, LPS-induced antibody production was significantly decreased after EVs injection in vivo. Biochemical analysis revealed that EVs hampered the expression of Blimp-1 and IRF4 and the activation of NF-κB pathway in LPS-primed B cells. Overall, these data imply a vital role for EVs isolated from RBC units in B cell-mediated immune responses.
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Affiliation(s)
- Yuhan Gao
- Department of Blood Transfusion, Peking University People's Hospital, Beijing, China
| | - Haiqiang Jin
- Department of Neurology, Peking University First Hospital, Beijing, China
| | - Hui Tan
- Guangdong Innovation Platform of Translational Research for Cerebrovascular Diseases, The First Affiliated Hospital of Shenzhen University, Shenzhen, China
| | - Yan Wang
- Department of Immunology, and Key Laboratory of Medical Immunology of Ministry of Public Health, Peking University Health Science Center, Beijing, China
| | - Jia Wu
- Department of Immunology, and Key Laboratory of Medical Immunology of Ministry of Public Health, Peking University Health Science Center, Beijing, China
| | - Yuqing Wang
- Department of Immunology, and Key Laboratory of Medical Immunology of Ministry of Public Health, Peking University Health Science Center, Beijing, China
| | - Jianhua Zhang
- Department of Blood Transfusion, Peking University People's Hospital, Beijing, China
| | - Ying Yang
- Department of Blood Transfusion, Peking University People's Hospital, Beijing, China
| | - Wenqin Tian
- Department of Blood Transfusion, Peking University People's Hospital, Beijing, China
| | - Ruiqin Hou
- Department of Blood Transfusion, Peking University People's Hospital, Beijing, China
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24
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Yang T, Wang R, Zhang J, Bao C, Zhang J, Li R, Chen X, Wu S, Wen J, Wei S, Li H, Cai H, Yang X, Zhao Y. Mechanism of berberine in treating Helicobacter pylori induced chronic atrophic gastritis through IRF8-IFN-γ signaling axis suppressing. Life Sci 2020; 248:117456. [PMID: 32097666 DOI: 10.1016/j.lfs.2020.117456] [Citation(s) in RCA: 31] [Impact Index Per Article: 7.8] [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: 01/11/2020] [Revised: 02/15/2020] [Accepted: 02/19/2020] [Indexed: 12/15/2022]
Abstract
AIMS In this study, we will investigate the therapeutic effects of berberine (BBR) in Helicobacter pylori (H. pylori) induced chronic atrophic gastritis (CAG). Furthermore, potential mechanisms of BBR in regulating IRF8-IFN-γ signaling axis will also be investigated. MATERIALS AND METHODS H. pylori were utilized to establish CAG model of rats. Therapeutic effects of BBR on serum supernatant indices, and histopathology of stomach were analyzed in vivo. Moreover, GES-1 cells were infected by H. pylori, and intervened with BBR in vitro. Cell viability, morphology, proliferation, and quantitative analysis were detected by high-content screening (HCS) imaging assay. To further investigate the potential mechanisms of BBR, relative mRNA, immunohistochemistry and protein expression in IRF8-IFN-γ signaling axis were measured. KEY FINDINGS Results showed serum supernatant indices including IL-17, CXCL1, and CXCL9 were downregulated by BBR intervention, while, G-17 increased significantly. Histological injuries of gastric mucosa induced by H. pylori also were alleviated. Moreover, cell viability and morphology changes of GES-1 cells were improved by BBR intervention. In addition, proinflammatory genes and IRF8-IFN-γ signaling axis related genes, including Ifit3, Upp1, USP18, Nlrc5, were suppressed by BBR administration in vitro and in vivo. The proteins expression related to IRF8-IFN-γ signaling axis, including Ifit3, IRF1 and Ifit1 were downregulated by BBR intervention.
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Affiliation(s)
- Tao Yang
- College of Clinical Medicine, Chengdu University of Traditional Chinese Medicine, No. 37, 12 Bridge Road, Chengdu 610075, PR China
| | - Ruilin Wang
- Integrative Medical Center, The Fifth Medical Center of PLA General Hospital, Beijing 100039, PR China
| | - Jianzhong Zhang
- Center of Disease Control and Prevention, National Institute for Communicable Disease Control and Prevention, Beijing 100039, PR China
| | - Chunmei Bao
- Division of Clinical Microbiology, The Fifth Medical Center of PLA General Hospital, Beijing 100039, PR China
| | - Juling Zhang
- Division of Clinical Microbiology, The Fifth Medical Center of PLA General Hospital, Beijing 100039, PR China
| | - Ruisheng Li
- Research Center for Clinical and Translational Medicine, The Fifth Medical Center of PLA General Hospital, Beijing 100039, PR China
| | - Xing Chen
- College of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu 611137, PR China
| | - Shihua Wu
- College of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu 611137, PR China
| | - Jianxia Wen
- College of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu 611137, PR China
| | - Shizhang Wei
- Department of Pharmacy, The Fifth Medical Center of PLA General Hospital, Beijing 100039, PR China
| | - Haotian Li
- Department of Pharmacy, The Fifth Medical Center of PLA General Hospital, Beijing 100039, PR China
| | - Huadan Cai
- Department of Pharmacy, The Fifth Medical Center of PLA General Hospital, Beijing 100039, PR China
| | - Xiangdong Yang
- Colorectal and Anal Surgery, Chengdu Anorectal Hospital, No 152 Daqiang East Street, Taisheng South Road, Chengdu 610075, PR China.
| | - Yanling Zhao
- Department of Pharmacy, The Fifth Medical Center of PLA General Hospital, Beijing 100039, PR China.
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25
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Liu Z, Liu Y, Li T, Wang P, Mo X, Lv P, Ma D, Han W. CMTM7 plays key roles in TLR-induced plasma cell differentiation and p38 activation in murine B-1 B cells. Eur J Immunol 2020; 50:809-821. [PMID: 32022930 DOI: 10.1002/eji.201948363] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/21/2019] [Revised: 12/25/2019] [Accepted: 02/04/2020] [Indexed: 12/30/2022]
Abstract
Terminal differentiation of B cells into antibody-secreting cells is the foundation of humoral immune response. B-1 cells, which are different from B-2 cells, preferentially differentiate into plasma cells. CMTM7 is a MARVEL-domain-containing membrane protein predominantly expressed in B cells that plays an important role in B-1a cell development. The present study assessed CMTM7 function in response to antigen stimulation. Following immunization with T cell-dependent and T cell-independent antigens, Cmtm7-deficient mice exhibited decreased IgM but normal IgG responses in vivo. In vitro stimulation with LPSs induced Cmtm7-/- B-1 cell activation, whereas proliferation was marginally reduced. Notably, Cmtm7 deficiency markedly suppressed plasma cell differentiation in response to TLR agonists, accompanied by a decrease in IgM and IL-10 production. At the molecular level, loss of Cmtm7 repressed the downregulation of Pax5 and the upregulation of Xbp1, Irf4, and Prdm1. Furthermore, p38 phosphorylation was inhibited in Cmtm7-/- B-1 cells. Experiments using a p38 inhibitor revealed that p38 activation was essential for the terminal differentiation of B-1 cells, suggesting that Cmtm7 contributes to B-1 cell differentiation by maintaining p38 activation. Overall, the data reveal the crucial functions of CMTM7 in TLR-induced terminal differentiation and p38 activation in B-1 cells.
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Affiliation(s)
- Zhengyang Liu
- Department of Immunology, School of Basic Medical Sciences, Peking University Health Science Center, NHC Key Laboratory of Medical Immunology (Peking University), Beijing, China
- Peking University Center for Human Disease Genomics, Beijing, China
| | - Yuan Liu
- Department of Immunology, School of Basic Medical Sciences, Peking University Health Science Center, NHC Key Laboratory of Medical Immunology (Peking University), Beijing, China
- Peking University Center for Human Disease Genomics, Beijing, China
| | - Ting Li
- Department of Immunology, School of Basic Medical Sciences, Peking University Health Science Center, NHC Key Laboratory of Medical Immunology (Peking University), Beijing, China
- Peking University Center for Human Disease Genomics, Beijing, China
| | - Pingzhang Wang
- Department of Immunology, School of Basic Medical Sciences, Peking University Health Science Center, NHC Key Laboratory of Medical Immunology (Peking University), Beijing, China
- Peking University Center for Human Disease Genomics, Beijing, China
| | - Xiaoning Mo
- Department of Immunology, School of Basic Medical Sciences, Peking University Health Science Center, NHC Key Laboratory of Medical Immunology (Peking University), Beijing, China
- Peking University Center for Human Disease Genomics, Beijing, China
| | - Ping Lv
- Department of Immunology, School of Basic Medical Sciences, Peking University Health Science Center, NHC Key Laboratory of Medical Immunology (Peking University), Beijing, China
- Peking University Center for Human Disease Genomics, Beijing, China
| | - Dalong Ma
- Department of Immunology, School of Basic Medical Sciences, Peking University Health Science Center, NHC Key Laboratory of Medical Immunology (Peking University), Beijing, China
- Peking University Center for Human Disease Genomics, Beijing, China
| | - Wenling Han
- Department of Immunology, School of Basic Medical Sciences, Peking University Health Science Center, NHC Key Laboratory of Medical Immunology (Peking University), Beijing, China
- Peking University Center for Human Disease Genomics, Beijing, China
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26
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Lee J, Zhang J, Chung YJ, Kim JH, Kook CM, González-Navajas JM, Herdman DS, Nürnberg B, Insel PA, Corr M, Mo JH, Tao A, Yasuda K, Rifkin IR, Broide DH, Sciammas R, Webster NJG, Raz E. Inhibition of IRF4 in dendritic cells by PRR-independent and -dependent signals inhibit Th2 and promote Th17 responses. eLife 2020; 9:e49416. [PMID: 32014112 PMCID: PMC7000221 DOI: 10.7554/elife.49416] [Citation(s) in RCA: 21] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/18/2019] [Accepted: 01/17/2020] [Indexed: 12/13/2022] Open
Abstract
Cyclic AMP (cAMP) is involved in many biological processes but little is known regarding its role in shaping immunity. Here we show that cAMP-PKA-CREB signaling (a pattern recognition receptor [PRR]-independent mechanism) regulates conventional type-2 Dendritic Cells (cDC2s) in mice and reprograms their Th17-inducing properties via repression of IRF4 and KLF4, transcription factors essential for cDC2-mediated Th2 induction. In mice, genetic loss of IRF4 phenocopies the effects of cAMP on Th17 induction and restoration of IRF4 prevents the cAMP effect. Moreover, curdlan, a PRR-dependent microbial product, activates CREB and represses IRF4 and KLF4, resulting in a pro-Th17 phenotype of cDC2s. These in vitro and in vivo results define a novel signaling pathway by which cDC2s display plasticity and provide a new molecular basis for the classification of novel cDC2 and cDC17 subsets. The findings also reveal that repressing IRF4 and KLF4 pathway can be harnessed for immuno-regulation.
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Affiliation(s)
- Jihyung Lee
- Department of MedicineUniversity of California San DiegoSan DiegoUnited States
| | - Junyan Zhang
- Department of MedicineUniversity of California San DiegoSan DiegoUnited States
- The Second Affiliated Hospital of Guangzhou Medical University (GMU), The State Key Laboratory of Respiratory Disease, Guangdong Provincial Key Laboratory of Allergy & Clinical ImmunologyGuangzhouChina
- Center for Immunology, Inflammation and Immune-mediated disease, GMUGuangzhouChina
| | - Young-Jun Chung
- Department of MedicineUniversity of California San DiegoSan DiegoUnited States
- Department of Otorhinolaryngology-Head and Neck SurgeryDankook University College of MedicineChungnamRepublic of Korea
| | - Jun Hwan Kim
- Department of MedicineUniversity of California San DiegoSan DiegoUnited States
| | - Chae Min Kook
- Department of MedicineUniversity of California San DiegoSan DiegoUnited States
| | - José M González-Navajas
- Center for Immunology, Inflammation and Immune-mediated disease, GMUGuangzhouChina
- Alicante Institute for Health and Biomedical Research (ISABIAL - FISABIO)AlicanteSpain
- Networked Biomedical Research Center for Hepatic and Digestive Diseases (CIBERehd)Institute of Health Carlos IIIMadridSpain
| | - David S Herdman
- Department of MedicineUniversity of California San DiegoSan DiegoUnited States
| | - Bernd Nürnberg
- Department of Pharmacology and Experimental TherapyUniversity of TübingenTübingenGermany
| | - Paul A Insel
- Department of MedicineUniversity of California San DiegoSan DiegoUnited States
- Department of PharmacologyUniversity of California San DiegoSan DiegoUnited States
| | - Maripat Corr
- Department of MedicineUniversity of California San DiegoSan DiegoUnited States
| | - Ji-Hun Mo
- Department of Otorhinolaryngology-Head and Neck SurgeryDankook University College of MedicineChungnamRepublic of Korea
| | - Ailin Tao
- The Second Affiliated Hospital of Guangzhou Medical University (GMU), The State Key Laboratory of Respiratory Disease, Guangdong Provincial Key Laboratory of Allergy & Clinical ImmunologyGuangzhouChina
- Center for Immunology, Inflammation and Immune-mediated disease, GMUGuangzhouChina
| | - Kei Yasuda
- Boston University School of MedicineBostonUnited States
| | - Ian R Rifkin
- Boston University School of MedicineBostonUnited States
- VA Boston Healthcare SystemBostonUnited States
| | - David H Broide
- Department of MedicineUniversity of California San DiegoSan DiegoUnited States
| | - Roger Sciammas
- Center for Comparative MedicineUniversity of California, DavisDavisUnited States
| | - Nicholas JG Webster
- Department of MedicineUniversity of California San DiegoSan DiegoUnited States
- VA San Diego Healthcare SystemSan DiegoUnited States
| | - Eyal Raz
- Department of MedicineUniversity of California San DiegoSan DiegoUnited States
- Center for Immunology, Inflammation and Immune-mediated disease, GMUGuangzhouChina
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27
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Huang B, Li WX, Wang ZX, Liang Y, Huang WS, Nie P. Identification of a novel splice variant isoform of interferon regulatory factor 10, IRF10, in orange spotted grouper Epinephelus coioides. Fish Shellfish Immunol 2020; 97:637-647. [PMID: 31866452 DOI: 10.1016/j.fsi.2019.12.056] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [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: 09/16/2019] [Revised: 12/16/2019] [Accepted: 12/18/2019] [Indexed: 06/10/2023]
Abstract
Interferon regulatory factors (IRFs) are a family of transcription factors essential to the control of antiviral immune response, cell growth, differentiation and apoptosis. IRF10 was originally found in chicken, which was induced by the v-Rel oncoprotein in lymphoid cell lines and involved in the upregulation of major histocompatibility complex (MHC) class I and guanylate-binding protein. In fish, IRF10 plays negative roles in regulation of the interferon (IFN) response. Here, we identified a splice variant of IRF10, named as EcIRF10-SF in orange spotted grouper, which shares the first three exons with the long form (EcIRF10-LF) and retains part of intron 3, creating a premature termination codon. Furthermore, we observed that the EcIRF10-SF exhibits similar expression pattern compared to its native counterparts. Functional studies demonstrate that the two EcIRF10 isoforms repress DrIFNϕ1 and DrIFNϕ3 promoter activity and negatively regulate fish antiviral gene expression. Subcellular localization analysis shows that the amino acids from 57 to 86 within DBD are required for IRF10 nuclear import. Overall, our description of transcript diversification of IRF10 in the grouper provides a coherent framework to further dissect its roles in immune response.
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Affiliation(s)
- B Huang
- Fisheries College, Jimei University, Xiamen, 361021, China; Engineering Research Center of the Modern Technology for Eel Industry, Ministry of Education, PR China
| | - W X Li
- Fisheries College, Jimei University, Xiamen, 361021, China
| | - Z X Wang
- Fisheries College, Jimei University, Xiamen, 361021, China
| | - Y Liang
- Fisheries College, Jimei University, Xiamen, 361021, China
| | - W S Huang
- Fisheries College, Jimei University, Xiamen, 361021, China; Engineering Research Center of the Modern Technology for Eel Industry, Ministry of Education, PR China.
| | - P Nie
- Laboratory for Marine Biology and Biotechnology, Pilot National Laboratory for Marine Science and Technology (Qingdao), Qingdao, Shandong Province, 266237, China; School of Marine Science and Engineering, Qingdao Agricultural University, Qingdao, Shandong Province, 266109, China.
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Zhu KC, Guo HY, Zhang N, Liu BS, Guo L, Jiang SG, Zhang DC. Structural and expression analysis of golden pompano Trachinotus ovatus IRF5 and its role in regulation of type I IFN. Fish Shellfish Immunol 2020; 97:313-321. [PMID: 31866451 DOI: 10.1016/j.fsi.2019.12.058] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [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: 08/05/2019] [Revised: 11/04/2019] [Accepted: 12/18/2019] [Indexed: 06/10/2023]
Abstract
The interferon regulatory factor 5 (IRF5) is a mediator of the type I IFN signalling pathways, thereby playing a key role in innate immunity. However, the detailed mechanism through which IRF5 regulates type I IFN in fish remains unclearly. In the present study, we first describe the identification of IRF5 (ToIRF5) from golden pompano (Trachinotus ovatus) and its features at the genomic sequence and expression level. The genomic DNA sequence consists of eight exons and seven introns. The full-length ToIRF5 cDNA is composed of 2, 059 bp and encodes for 499 amino acid polypeptides. The putative protein sequence shares 66.3%-82.9% identity to fish IRF5 and possesses three representative conserved domains (a DNA-binding domain (DBD) at the N-terminus, an IRF-associated domain (IAD), and a virus-activated domain (VAD) at the C-terminus) and one highly variable domain (middle region (MR)). Furthermore, the ToIRF5 transcript is constitutively expressed in all examined tissues, with higher levels observed in the immune relevant tissues. The mRNA levels of ToIRF5 are increased by polyinosinic: polycytidylic acid [poly (I: C)], lipopolysaccharide (LPS) and flagellin stimulation in the immune- and nonimmune-related tissues. The subcellular localization indicates that ToIRF5 is mainly localized in the cytoplasm with or without poly (I: C) induction. In addition, to explore whether ToIRF5 is a modulator of ToIFNa3, promoter analysis is performed. The region from -200 bp to +1 bp is identified as the core promoter by different truncated mutants of ToIFNa3. Mutation analyse declares that the activity of the ToIFNa3-5 promoter significantly decreases after targeted mutation of M2 binding sites. Moreover, overexpression of ToIRF5 in vitro memorably aggrandizes the expression of some IFN/IRF-based signalling pathway genes. These results provide new insights into the roles of teleost IRF5 in transcriptional mechanisms of type I IFN in the immunity process.
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Affiliation(s)
- 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, 510300, Guangzhou, Guangdong Province, PR China; Guangdong Provincial Engineer Technology Research Center of Marine Biological Seed Industry, Guangzhou, Guangdong Province, PR 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, 510300, Guangzhou, Guangdong Province, PR China; Guangdong Provincial Engineer Technology Research Center of Marine Biological Seed Industry, Guangzhou, Guangdong Province, PR 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, 510300, Guangzhou, Guangdong Province, PR China; Guangdong Provincial Engineer Technology Research Center of Marine Biological Seed Industry, Guangzhou, Guangdong Province, PR 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, 510300, Guangzhou, Guangdong Province, PR China; Guangdong Provincial Engineer Technology Research Center of Marine Biological Seed Industry, Guangzhou, Guangdong Province, PR China
| | - Liang 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, 510300, Guangzhou, Guangdong Province, PR China; Guangdong Provincial Engineer Technology Research Center of Marine Biological Seed Industry, Guangzhou, Guangdong Province, PR China
| | - Shi-Gui Jiang
- 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, 510300, Guangzhou, Guangdong Province, PR China; Guangdong Provincial Engineer Technology Research Center of Marine Biological Seed Industry, Guangzhou, Guangdong Province, PR 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, 510300, Guangzhou, Guangdong Province, PR China; Guangdong Provincial Engineer Technology Research Center of Marine Biological Seed Industry, Guangzhou, Guangdong Province, PR China.
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Zou PF, Shen JJ, Li Y, Zhang ZP, Wang YL. TRAF3 enhances TRIF-mediated signaling via NF-κB and IRF3 activation in large yellow croaker Larimichthys crocea. Fish Shellfish Immunol 2020; 97:114-124. [PMID: 31841694 DOI: 10.1016/j.fsi.2019.12.024] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [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: 08/21/2019] [Revised: 12/03/2019] [Accepted: 12/09/2019] [Indexed: 06/10/2023]
Abstract
As a member of tumor necrosis factor receptor (TNFR)-associated factor (TRAF) family, TRAF3 is an important regulator of NF-κB and type I interferon (IFN) activation, especially in Toll-like receptors (TLRs)- and retinoic acid inducible gene I (RIG-I)-like receptors (RLRs)-mediated signaling pathway. In the present study, a TRAF3 homologue named Lc-TRAF3 was characterized in large yellow croaker (Larimichthys crocea). The open reading frame (ORF) of Lc-TRAF3 contains 1788 bp encoding a protein of 595 amino acids (aa). Sequence analysis indicated that Lc-TRAF3 is conserved in vertebrates, constituted with a N-terminal RING finger, two TRAF-type zinc fingers, and a C-terminal TRAF-MATH domain. The genome organization of Lc-TRAF3 is conserved in fish, with 13 exons and 12 introns, but different from that in birds or mammals, which contains 10 exons and 9 introns. Lc-TRAF3 was identified as cytosolic protein base on fluorescence microscopy analysis. Expression analysis revealed that Lc-TRAF3 was broadly distributed in examined organs/tissues, with the highest expression level in gill and weakest in brain, and could be up-regulated under poly I:C, LPS, PGN, and Pseudomonas plecoglossicida stimulation in vivo. Interestingly, overexpression Lc-TRAF3 could induce the activation of NF-κB, and Lc-TRAF3 co-transfected with Lc-TRIF induced a significantly higher level of NF-κB and IRF3 promoter activity, implying that Lc-TRAF3 may function as an enhancer in Lc-TRIF-mediated signaling pathway.
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Affiliation(s)
- Peng Fei Zou
- Key Laboratory of Healthy Mariculture for the East China Sea, Ministry of Agriculture and Rural Affairs, Fisheries College, Jimei University, Xiamen, Fujian Province, 361021, China
| | - Juan Juan Shen
- Key Laboratory of Healthy Mariculture for the East China Sea, Ministry of Agriculture and Rural Affairs, Fisheries College, Jimei University, Xiamen, Fujian Province, 361021, China
| | - Ying Li
- Key Laboratory of Estuarine Ecological Security and Environmental Health, Tan Kah Kee College, Xiamen University, Zhangzhou, Fujian Province, 363105, China
| | - Zi Ping Zhang
- College of Animal Science, Fujian Agriculture and Forestry University, Fuzhou, Fujian Province, 350002, China; State Key Laboratory of Large Yellow Croaker Breeding, Ningde Fufa Fisheries Company Limited, Ningde, Fujian Province, 352103, China
| | - Yi Lei Wang
- Key Laboratory of Healthy Mariculture for the East China Sea, Ministry of Agriculture and Rural Affairs, Fisheries College, Jimei University, Xiamen, Fujian Province, 361021, China; State Key Laboratory of Large Yellow Croaker Breeding, Ningde Fufa Fisheries Company Limited, Ningde, Fujian Province, 352103, China.
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McCarthy MK, Reynoso GV, Winkler ES, Mack M, Diamond MS, Hickman HD, Morrison TE. MyD88-dependent influx of monocytes and neutrophils impairs lymph node B cell responses to chikungunya virus infection via Irf5, Nos2 and Nox2. PLoS Pathog 2020; 16:e1008292. [PMID: 31999809 PMCID: PMC7012455 DOI: 10.1371/journal.ppat.1008292] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/13/2019] [Revised: 02/11/2020] [Accepted: 12/22/2019] [Indexed: 12/21/2022] Open
Abstract
Humoral immune responses initiate in the lymph node draining the site of viral infection (dLN). Some viruses subvert LN B cell activation; however, our knowledge of viral hindrance of B cell responses of important human pathogens is lacking. Here, we define mechanisms whereby chikungunya virus (CHIKV), a mosquito-transmitted RNA virus that causes outbreaks of acute and chronic arthritis in humans, hinders dLN antiviral B cell responses. Infection of WT mice with pathogenic, but not acutely cleared CHIKV, induced MyD88-dependent recruitment of monocytes and neutrophils to the dLN. Blocking this influx improved lymphocyte accumulation, dLN organization, and CHIKV-specific B cell responses. Both inducible nitric oxide synthase (iNOS) and the phagocyte NADPH oxidase (Nox2) contributed to impaired dLN organization and function. Infiltrating monocytes expressed iNOS through a local IRF5- and IFNAR1-dependent pathway that was partially TLR7-dependent. Together, our data suggest that pathogenic CHIKV triggers the influx and activation of monocytes and neutrophils in the dLN that impairs virus-specific B cell responses. Elucidating mechanisms by which viruses subvert B cell immunity and establish persistent infection is essential for the development of new therapeutic strategies against chronic viral infections. The humoral immune response initiates in the lymph node draining the site of viral infection. However, how persistent viruses evade B cell responses is poorly understood. In this study, we find that infection with pathogenic, persistent chikungunya virus triggers rapid recruitment of neutrophils and monocytes to the draining lymph node, which impair structural organization, lymphocyte accumulation, and downstream virus-specific B cell responses that are important for control of infection. This work enhances our understanding of the pathogenesis of acute and chronic CHIKV disease and highlights how local innate immune responses in draining lymphoid tissue dictate the effectiveness of downstream adaptive immunity.
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Affiliation(s)
- Mary K. McCarthy
- Department of Immunology and Microbiology, University of Colorado School of Medicine, Aurora, Colorado, United States of America
| | - Glennys V. Reynoso
- Viral Immunity and Pathogenesis Unit, Laboratory of Clinical Microbiology and Immunology, National Institutes of Allergy and Infectious Diseases, NIH, Bethesda, Maryland, United States of America
| | - Emma S. Winkler
- Department of Medicine, Washington University School of Medicine, St. Louis, Missouri, United States of America
| | - Matthias Mack
- Regensburg University Medical Center, Regensburg, Germany
| | - Michael S. Diamond
- Department of Medicine, Washington University School of Medicine, St. Louis, Missouri, United States of America
- Department of Pathology and Immunology, Washington University School of Medicine, St. Louis, Missouri, United States of America
- Department of Molecular Microbiology, Washington University School of Medicine, St. Louis, Missouri, United States of America
- The Andrew M. and Jane M. Bursky Center for Human Immunology and Immunotherapy Programs, Washington University School of Medicine, St. Louis, Missouri, United States of America
| | - Heather D. Hickman
- Viral Immunity and Pathogenesis Unit, Laboratory of Clinical Microbiology and Immunology, National Institutes of Allergy and Infectious Diseases, NIH, Bethesda, Maryland, United States of America
| | - Thomas E. Morrison
- Department of Immunology and Microbiology, University of Colorado School of Medicine, Aurora, Colorado, United States of America
- * E-mail:
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Tharuka MDN, Yang H, Lee J. Expression, subcellular localization, and potential antiviral function of three interferon regulatory factors in the big-belly seahorse (Hippocampus abdominalis). Fish Shellfish Immunol 2020; 96:297-310. [PMID: 31811886 DOI: 10.1016/j.fsi.2019.11.026] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [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: 08/01/2019] [Revised: 11/08/2019] [Accepted: 11/13/2019] [Indexed: 06/10/2023]
Abstract
Interferon regulatory factors (IRFs) are among the most important transcription mediators and have multiple biological functions, such as antiviral and antimicrobial defense, cell differentiation, immune modulation, and apoptosis. Three IRF family members (HaIRF4-like, HaIRF6, and HaIRF8) of the big belly seahorse (Hippocampus abdominalis) were molecularly and functionally characterized at the sequence and transcriptional level. The coding sequences of HaIRF4-like, HaIRF6, and HaIRF8 were 1214, 1485, and 1266 bp in length, encoding proteins of size 46.21, 55.32, and 47.56 kDa, respectively. Potential viral transcription and replication was detected against VHSV infection using qPCR in HaIRFs-transfected FHM cells. IRFs significantly reduced viral gene expression at 24 h and 48 h post infection and the expression of interferon-stimulated genes (ISGs) was modulated at transcriptional level upon HaIRF overexpression in FHM cells. Subcellular HaIRF localization was observed using GFP-tagged expression vectors in FHM cells. HaIRF4-like and HaIRF8 were localized to the nucleus, whereas HaIRF6 was observed in the cytoplasm. All three IRFs were ubiquitously expressed in all analyzed tissues of the big belly seahorse. The mRNA expression of IRF4-like, IRF6, and IRF8 increased significantly post injection in the blood and gills following LPS, poly (I:C), and Streptococcus iniae challenge. These findings demonstrate that seahorse IRFs are involved in host defense mechanisms against immune stimulants and HaIRFs induce interferon and ISGs which trigger antiviral activity against viral infections in the host.
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Affiliation(s)
- M D Neranjan Tharuka
- Department of Marine Life Sciences & Fish Vaccine Research Center, Jeju National University, Jeju Self-Governing Province, 63243, Republic of Korea; Marine Science Institute, Jeju National University, Jeju Self-Governing Province, 63333, Republic of Korea
| | - Hyerim Yang
- Department of Marine Life Sciences & Fish Vaccine Research Center, Jeju National University, Jeju Self-Governing Province, 63243, Republic of Korea; Marine Science Institute, Jeju National University, Jeju Self-Governing Province, 63333, Republic of Korea
| | - Jehee Lee
- Department of Marine Life Sciences & Fish Vaccine Research Center, Jeju National University, Jeju Self-Governing Province, 63243, Republic of Korea; Marine Science Institute, Jeju National University, Jeju Self-Governing Province, 63333, Republic of Korea.
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Zhu KC, Guo HY, Zhang N, Liu BS, Guo L, Jiang SG, Zhang DC. Functional characterization of IRF8 regulation of type II IFN in golden pompano (Trachinotus ovatus). Fish Shellfish Immunol 2019; 94:1-9. [PMID: 31465868 DOI: 10.1016/j.fsi.2019.08.060] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [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: 07/25/2019] [Revised: 08/20/2019] [Accepted: 08/24/2019] [Indexed: 06/10/2023]
Abstract
Interferon regulatory factor 8 (IRF8) increases type I IFN transcription levels by binding to IFN promoters, thereby playing a role in innate immunity. Nevertheless, the detailed mechanism through which IRF8 regulates type II IFN in fish remains ambiguous. In the present study, two genes from the golden pompano (Trachinotus ovatus), IRF8 (ToIRF8) and IFN gamma (ToIFNγ), were identified in the IFN/IRF-based signalling pathway. The full-length ToIRF8 cDNA was composed of 2,141 bp and encoded a 421 amino acid polypeptide; the genomic DNA was 2,917 bp in length and consisted of 8 exons and 7 introns. The putative protein showed the highest sequence identity (90-92%) with fish IRF8 and possessed a DNA-binding domain (DBD), an IRF-association domain (IAD) and a nuclear localization signal (NLS) motif consistent with those of IRF8 in other vertebrates. Furthermore, the ToIRF8 transcripts were expressed in all examined tissues of healthy fish, with higher levels observed in the central nervous and immune relevant tissues. They were upregulated by polyinosinic acid: polycytidylic acid [poly (I: C)], lipopolysaccharide (LPS) and flagellin treatments in the blood, liver, intestine and kidney. The results from assays of subcellular localization showed that ToIRF8 was localized to the cytoplasm. Moreover, to investigate whether ToIRF8 was a regulator of ToIFNγ, a promoter analysis was performed using progressive deletion mutations of ToIFNγ. The results indicated that the region from -601 bp to -468 bp includes the core promoter. Mutation analyses indicated that the activity of the ToIFNγ promoter significantly decreased after the targeted mutation of the M1-M3 binding sites. Additionally, overexpressed ToIRF8 in vitro notably increased the expression of several IFN/IRF-based signalling pathway genes. These results suggest that IRF8 is vital in the defence of T. ovatus against bacterial infection and contributes to a better understanding of the transcriptional mechanisms of ToIRF8 on type II IFN in fish.
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Affiliation(s)
- 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, 510300, Guangzhou, Guangdong Province, PR China; Guangdong Provincial Engineer Technology Research Center of Marine Biological Seed Industry, Guangzhou, Guangdong Province, PR 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, 510300, Guangzhou, Guangdong Province, PR China; Guangdong Provincial Engineer Technology Research Center of Marine Biological Seed Industry, Guangzhou, Guangdong Province, PR 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, 510300, Guangzhou, Guangdong Province, PR China; Guangdong Provincial Engineer Technology Research Center of Marine Biological Seed Industry, Guangzhou, Guangdong Province, PR 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, 510300, Guangzhou, Guangdong Province, PR China; Guangdong Provincial Engineer Technology Research Center of Marine Biological Seed Industry, Guangzhou, Guangdong Province, PR China
| | - Liang 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, 510300, Guangzhou, Guangdong Province, PR China; Guangdong Provincial Engineer Technology Research Center of Marine Biological Seed Industry, Guangzhou, Guangdong Province, PR China
| | - Shi-Gui Jiang
- 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, 510300, Guangzhou, Guangdong Province, PR China; Guangdong Provincial Engineer Technology Research Center of Marine Biological Seed Industry, Guangzhou, Guangdong Province, PR 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, 510300, Guangzhou, Guangdong Province, PR China; Guangdong Provincial Engineer Technology Research Center of Marine Biological Seed Industry, Guangzhou, Guangdong Province, PR China.
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Fu Y, Koh B, Kuwahara M, Ulrich BJ, Kharwadkar R, Yamashita M, Kaplan MH. BATF-Interacting Proteins Dictate Specificity in Th Subset Activity. J Immunol 2019; 203:1989-1998. [PMID: 31451674 PMCID: PMC6761015 DOI: 10.4049/jimmunol.1900128] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/01/2019] [Accepted: 08/02/2019] [Indexed: 12/24/2022]
Abstract
The basic leucine zipper (bZIP) transcription factor BATF is expressed in multiple Th subsets and cooperates with other factors to regulate gene transcription. BATF activates lineage-specific cytokines in Th subsets, activating IL-9 in Th9 cells and IL-17 in Th17 cells, but not IL-9 or IL-17 in the reciprocal subset. The mechanism for this restricted activity is unclear. In this report, we define BATF binding partners that contribute to Th subset-specific functions. Although BATF and IRF4 are expressed in greater amounts in Th9 than Th17, increased expression of both factors is not sufficient to induce IL-9 in Th17 cells. BATF also requires heterodimer formation with Jun family members to bind DNA and induce gene expression. Using primary mouse T cell culture, we observed that JunB and c-Jun, but not JunD, promote IL-9 production in Th9 cells. Ectopic expression of BATF with either JunB or c-Jun generates modest, but significant, increases in IL-9 production in Th17 cells, suggesting that the low expression of Jun family members is one factor limiting the ability of BATF to induce IL-9 in Th17 cells. We further identified that Bach2 positively regulates IL-9 production by directly binding to the Il9 gene and by increasing transcription factor expression in Th9 cells. Strikingly, cotransduction of Bach2 and BATF significantly induces IL-9 production in both Th9 and Th17 cells. Taken together, our results reveal that JunB, c-Jun, and Bach2 cooperate with BATF to contribute to the specificity of BATF-dependent cytokine induction in Th subsets.
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Affiliation(s)
- Yongyao Fu
- Herman B Wells Center for Pediatric Research, Department of Pediatrics, School of Medicine, Indiana University, Indianapolis, IN 46202
- Department of Microbiology and Immunology, School of Medicine, Indiana University, Indianapolis, IN 46202
| | - Byunghee Koh
- Herman B Wells Center for Pediatric Research, Department of Pediatrics, School of Medicine, Indiana University, Indianapolis, IN 46202
| | - Makoto Kuwahara
- Department of Immunology, Ehime University, Shitsukawa, Toon-Shi, Ehime 791-0295, Japan; and
| | - Benjamin J Ulrich
- Herman B Wells Center for Pediatric Research, Department of Pediatrics, School of Medicine, Indiana University, Indianapolis, IN 46202
- Department of Microbiology and Immunology, School of Medicine, Indiana University, Indianapolis, IN 46202
| | - Rakshin Kharwadkar
- Herman B Wells Center for Pediatric Research, Department of Pediatrics, School of Medicine, Indiana University, Indianapolis, IN 46202
- Department of Biochemistry and Molecular Biology, School of Medicine, Indiana University, Indianapolis, IN 46202
| | - Masakatsu Yamashita
- Department of Immunology, Ehime University, Shitsukawa, Toon-Shi, Ehime 791-0295, Japan; and
| | - Mark H Kaplan
- Herman B Wells Center for Pediatric Research, Department of Pediatrics, School of Medicine, Indiana University, Indianapolis, IN 46202;
- Department of Microbiology and Immunology, School of Medicine, Indiana University, Indianapolis, IN 46202
- Department of Biochemistry and Molecular Biology, School of Medicine, Indiana University, Indianapolis, IN 46202
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Liu T, Han Y, Chen S, Zhao H. Global characterization and expression analysis of interferon regulatory factors in response to Aeromonas hydrophila challenge in Chinese soft-shelled turtle (Pelodiscus sinensis). Fish Shellfish Immunol 2019; 92:821-832. [PMID: 31299462 DOI: 10.1016/j.fsi.2019.07.013] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [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: 04/30/2019] [Revised: 06/29/2019] [Accepted: 07/05/2019] [Indexed: 06/10/2023]
Abstract
Interferon regulatory factors (IRFs) were originally identified as transcriptional regulators of type I interferon (IFN) expression. Recent studies have widely identified the roles of IRFs as central mediators in immune defence against pathogen infection. However, the functional roles and expression profiles of IRFs are still unclear in Chinese soft-shelled turtle (Pelodiscus sinensis). In this study, eight members of the PsIRF family were identified in P. sinensis through a genome-wide search. These PsIRF genes contained the conserved domains of this group of proteins, including the N-terminal DNA-binding domain and C-terminal IRF-associated domain. Phylogenetic analyses among IRF homologs showed that the PsIRFs shared the closest phylogenetic relationships with IRFs of other turtle species. Further molecular evolutionary analyses revealed evolutionary conservation of the PsIRF genes. Moreover, expression profiling demonstrated that eight PsIRF genes exhibited constitutive expression in different tissues of P. sinensis. Several genes, such as PsIRF1, PsIRF2 and PsIRF4, showed predominant expression in the spleen and were significantly upregulated upon Aeromonas hydrophila infection. Remarkably, PsIRF1, PsIRF2 and PsIRF4 exhibited rapid increases in their protein expression levels post-infection and were mainly expressed in the splenic red pulp according to immunohistochemistry analysis. These results provide rich resources for further exploration of the roles of PsIRFs in immune regulation in P. sinensis and other turtles.
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Affiliation(s)
- Tengfei Liu
- College of Veterinary Medicine, Northwest A&F University, Yangling, Shaanxi Province, 712100, China.
| | - Yawen Han
- College of Veterinary Medicine, Northwest A&F University, Yangling, Shaanxi Province, 712100, China.
| | - Shulin Chen
- College of Veterinary Medicine, Northwest A&F University, Yangling, Shaanxi Province, 712100, China.
| | - Huiying Zhao
- College of Veterinary Medicine, Northwest A&F University, Yangling, Shaanxi Province, 712100, China.
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Lv S, Zhang Y, Zheng J, Huang X, Huang Y, Qin Q. Negative regulation of the interferon response by finTRIM82 in the orange spotted grouper. Fish Shellfish Immunol 2019; 88:391-402. [PMID: 30853655 DOI: 10.1016/j.fsi.2019.03.004] [Citation(s) in RCA: 4] [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: 11/13/2018] [Revised: 02/26/2019] [Accepted: 03/01/2019] [Indexed: 06/09/2023]
Abstract
Tripartite motif (TRIM) proteins have been demonstrated to exhibit critical functions in multiple cellular processes, including development, carcinogenesis, and programmed cell death, and are also widely recognized to be important antiviral restriction factors or modulators of immune and inflammatory signaling pathways. However, in teleosts, additional TRIM members have been identified and their functions remain largely unknown. Here, a novel finTRIM gene from orange spotted grouper (EcfinTRIM82) was cloned and characterized. Sequence analysis indicated that EcfinTRIM82 encoded a 575 amino acid peptide which shared 94% and 82% identity with Asian sea bass (Lates calcarifer), and zebrafish (Danio rerio) finTRIM82, respectively. EcfinTRIM82 contained three conserved domains, including a RING, B-Box, and SPRY domain. Using fluorescence microscopy, we found that green fluorescence aggregates were observed in the cytoplasm of EcfinTRIM82-EGFP transfected grouper spleen (GS) cells. As the infection proceeded, EcfinTRIM82 transcription was significantly upregulated in Singapore grouper iridovirus (SGIV) or red-spotted grouper nervous necrosis virus (RGNNV) infected GS cells. This suggests that EcfinTRIM82 might be involved in fish virus infection. The in vitro overexpression of EcfinTRIM82 in GS cells significantly enhanced the replication of SGIV and RGNNV, evidenced by increased expression of viral genes, including the SGIV major capsid protein (MCP), VP19, ICP-18, RGNNV coat protein (CP), and RNA-dependent RNA polymerase (RdRp). Furthermore, the ectopic expression of EcfinTRIM82 significantly decreased the expression of interferon (IFN)-related signaling molecules, including interferon regulatory factor 3 (IRF3), IRF7, interferon stimulated gene 15 (ISG15), ISG56, IFP35, and myxovirus resistance gene (MXI), suggesting that EcfinTRIM82 regulated viral replication via the negative regulation of the host IFN response. In addition, EcfinTRIM82 overexpression substantially decreased the level of proinflammatory cytokine transcription. Furthermore, the ectopic expression of EcfinTRIM82 significantly weakened the melanoma differentiation-associated protein 5 (MDA5), mediator of IRF3 activation (MITA) and mitochondrial antiviral-signaling (MAVS) protein-induced IFN response by detecting the transcription of interferon related cytokines and the promoter activity of IFN. Together, our results demonstrate that finTRIM82 negatively regulates the innate antiviral immune response against grouper virus infection.
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Affiliation(s)
- Shunyou Lv
- College of Marine Sciences, South China Agricultural University, Guangzhou, 510642, China
| | - Ya Zhang
- College of Marine Sciences, South China Agricultural University, Guangzhou, 510642, China
| | - Jiaying Zheng
- College of Marine Sciences, South China Agricultural University, Guangzhou, 510642, China
| | - Xiaohong Huang
- College of Marine Sciences, South China Agricultural University, Guangzhou, 510642, China
| | - Youhua Huang
- College of Marine Sciences, South China Agricultural University, Guangzhou, 510642, China.
| | - Qiwei Qin
- College of Marine Sciences, South China Agricultural University, Guangzhou, 510642, China; Laboratory for Marine Biology and Biotechnology, Qingdao National Laboratory for Marine Science and Technology, Qingdao, China.
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Kim SB, Lee AY, Chun JM, Lee AR, Kim HS, Seo YS, Moon BC, Kwon BI. Anthriscus sylvestris root extract reduces allergic lung inflammation by regulating interferon regulatory factor 4-mediated Th2 cell activation. J Ethnopharmacol 2019; 232:165-175. [PMID: 30552991 DOI: 10.1016/j.jep.2018.12.016] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [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: 07/22/2018] [Revised: 12/05/2018] [Accepted: 12/11/2018] [Indexed: 06/09/2023]
Abstract
ETHNOPHARMACOLOGICAL RELEVANCE Anthriscus sylvestris L. Hoffmann (AS) is a perennial plant that grows in Asia and Eastern Europe. Its dried root is used to treat conditions such as asthma, bronchitis, and cough. AIM OF THE STUDY The present study investigated the anti-inflammatory effects of whole AS extract (ASE) on allergic lung inflammation in vitro and in vivo as well as the underlying mechanisms. MATERIALS AND METHODS We used an ovalbumin (OVA)-induced asthma mouse model and in vitro primary T helper (Th)2 polarization system. Five groups of 8-week-old female C57BL/6 mice were divided into the following groups: saline control, or OVA-induced allergic asthma with vehicle, ASE (100 or 200 mg/kg), or dexamethasone (5 mg/kg) treatment for 7 days. RESULTS ASE attenuated mucus secretion in airway epithelial cells, inflammatory cell infiltration, eosinophilia, and Th2 cytokine levels in bronchoalveolar lavage fluid. Mice administered ASE showed reductions in the activated cluster of differentiation 4+ T cell population and GATA-binding protein-3 gene expression in the lung, and diminished Th2 cell differentiation and activation in vitro. Furthermore, ASE-treated mice showed decreased interleukin-6 and interferon regulatory factor (IRF)4 expression, with corresponding reductions in nitric oxide levels in the lungs of asthmatic mice and in stimulated RAW cells. CONCLUSION ASE exerts anti-asthmatic effects by inhibiting IRF4 expression and thereby suppressing Th2 cell activation.
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Affiliation(s)
- Sung-Bae Kim
- Herbal Medicine Research Division, Korea Institute of Oriental Medicine, Daejeon 34054, Republic of Korea.
| | - A Yeong Lee
- Herbal Medicine Research Division, Korea Institute of Oriental Medicine, Daejeon 34054, Republic of Korea.
| | - Jin Mi Chun
- Herbal Medicine Research Division, Korea Institute of Oriental Medicine, Daejeon 34054, Republic of Korea
| | - A Reum Lee
- Herbal Medicine Research Division, Korea Institute of Oriental Medicine, Daejeon 34054, Republic of Korea.
| | - Hyo Seon Kim
- Herbal Medicine Research Division, Korea Institute of Oriental Medicine, Daejeon 34054, Republic of Korea.
| | - Yun Soo Seo
- Herbal Medicine Research Division, Korea Institute of Oriental Medicine, Daejeon 34054, Republic of Korea.
| | - Byeong Cheol Moon
- Herbal Medicine Research Division, Korea Institute of Oriental Medicine, Daejeon 34054, Republic of Korea.
| | - Bo-In Kwon
- Herbal Medicine Research Division, Korea Institute of Oriental Medicine, Daejeon 34054, Republic of Korea; Department of Pathology, College of Korean Medicine, Sangji University, Wonju-si, Gangwon-do 26339, Republic of Korea.
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Zhang Y, Lv S, Zheng J, Huang X, Huang Y, Qin Q. Grouper viperin acts as a crucial antiviral molecule against iridovirus. Fish Shellfish Immunol 2019; 86:1026-1034. [PMID: 30584907 DOI: 10.1016/j.fsi.2018.12.038] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [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: 11/07/2018] [Revised: 12/17/2018] [Accepted: 12/21/2018] [Indexed: 06/09/2023]
Abstract
Virus inhibitory protein, endoplasmic reticulum-associated, IFN-inducible (viperin), is an antiviral protein, induced by interferon (IFN), poly(I:C) and viral infection to exert antiviral function. To investigate the roles of viperin during fish virus infection, a viperin homolog from orange spotted grouper (Epinephelus coioides) (Ecviperin) was cloned and characterized in this study. Ecviperin encoded a 361-aa protein which shared 87% and 69% identity with Siniperca undulata and Homo sapiens, respectively. Amino acid alignment analysis showed that Ecviperin contained a conserved radical-SAM domain (aa73-281). Phylogenetic analysis indicated that Ecviperin showed the nearest relationship with S. undulata. In healthy grouper, Ecviperin was distributed in all tissues, and the expression of Ecviperin was the highest in kidney and spleen. In vitro, the mRNA expression of Ecviperin was significantly up-regulated in response to Singaporean grouper iridovirus (SGIV) infection. Subcellular localization analysis showed that Ecviperin was distributed in the cytoplasm and co-localized with endoplasmic reticulum (ER). The ectopic expression of Ecviperin significantly inhibited the replication of SGIV. Furthermore, overexpression of Ecviperin positively regulated the interferon related molecules, including interferon regulatory factor 3 (IRF3), IRF7, interferon stimulated gene 15 (ISG15), myxovirus resistance gene I (MXI), interferon-induced 35-kDa protein (IFP35), and TNF receptor-associated factor 6 (TRAF6). In addition, the expression of pro-inflammation cytokines was differently regulated by Ecviperin overexpression. Furthermore, reporter gene analysis showed that the overexpression of Ecviperin enhanced the activity of nuclear factor of kappa B (NF-κB), IFN-1 and interferon-stimulated response element (ISRE) promoter, suggesting that Ecviperin might restrict SGIV replication by the positive regulation of interferon and inflammatory response. Taken together, our results demonstrated that Ecviperin encoded an ER-localized protein, and exerted antiviral function against fish DNA virus by up-regulating interferon and pro-inflammatory response.
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Affiliation(s)
- Ya Zhang
- College of Marine Sciences, South China Agricultural University, Guangzhou, 510642, PR China
| | - Shunyou Lv
- College of Marine Sciences, South China Agricultural University, Guangzhou, 510642, PR China
| | - Jiaying Zheng
- College of Marine Sciences, South China Agricultural University, Guangzhou, 510642, PR China
| | - Xiaohong Huang
- College of Marine Sciences, South China Agricultural University, Guangzhou, 510642, PR China
| | - Youhua Huang
- College of Marine Sciences, South China Agricultural University, Guangzhou, 510642, PR China.
| | - Qiwei Qin
- College of Marine Sciences, South China Agricultural University, Guangzhou, 510642, PR China; Laboratory for Marine Biology and Biotechnology, Qingdao National Laboratory for Marine Science and Technology, Qingdao, 266000, PR China.
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Mao F, Lin Y, Zhou Y, He Z, Li J, Zhang Y, Yu Z. Structural and functional analysis of interferon regulatory factors (IRFs) reveals a novel regulatory model in an invertebrate, Crassostrea gigas. Dev Comp Immunol 2018; 89:14-22. [PMID: 30077552 DOI: 10.1016/j.dci.2018.07.027] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [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: 04/15/2018] [Revised: 07/30/2018] [Accepted: 07/30/2018] [Indexed: 06/08/2023]
Abstract
Interferon regulatory factors (IRF), a family of transcription factors, are involved in the regulation of interferon to response the pathogen infection. Here, three IRF-like genes including CgIRF1a, CgIRF1b and CgIRF8 were identified in the genome of the oyster C. gigas. Among these genes, CgIRF1a and CgIRF1b, which are tandemly located in adjacent loci of scaffold 4, share the same domains. Phylogenetic analysis indicated that CgIRF1a and CgIRF1b were two paralogs that may originate from duplication of the same ancestral IRF gene. Subcellular localization analysis confirmed the nuclear distribution of CgIRF1a and CgIRF1b. Dual-luciferase reporter assay showed that CgIRF1a significantly activated the ISRE reporter gene, whereas CgIRF1b did not. Additionally, overexpression of CgIRF1b could significantly suppress the activation effect of CgIRF1a, which strongly suggests that CgIRF1b may serve as a regulator of the IRF signaling pathway. Furthermore, the result of native page revealed that CgIRF1a would form homologous dimers, and CgIRF1b would interact with CgIRF1a to inhibit the activity of the latter. Taken together, one novel regulatory model of IRF signaling pathways has been raised one paralog of IRF has evolved and appears to be a regulator of IRF.
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Affiliation(s)
- Fan Mao
- Key Laboratory of Tropical Marine Bio-resources and Ecology, Guangdong Provincial Key Laboratory of Applied Marine Biology, South China Sea Institute of Oceanology, Chinese Academy of Science, Guangzhou, 510301, China; University of Chinese Academy of Sciences, Beijing, 100049, China
| | - Yue Lin
- Key Laboratory of Tropical Marine Bio-resources and Ecology, Guangdong Provincial Key Laboratory of Applied Marine Biology, South China Sea Institute of Oceanology, Chinese Academy of Science, Guangzhou, 510301, China; University of Chinese Academy of Sciences, Beijing, 100049, China
| | - Yingli Zhou
- Key Laboratory of Tropical Marine Bio-resources and Ecology, Guangdong Provincial Key Laboratory of Applied Marine Biology, South China Sea Institute of Oceanology, Chinese Academy of Science, Guangzhou, 510301, China; University of Chinese Academy of Sciences, Beijing, 100049, China
| | - Zhiying He
- Key Laboratory of Tropical Marine Bio-resources and Ecology, Guangdong Provincial Key Laboratory of Applied Marine Biology, South China Sea Institute of Oceanology, Chinese Academy of Science, Guangzhou, 510301, China; University of Chinese Academy of Sciences, Beijing, 100049, China
| | - Jun Li
- Key Laboratory of Tropical Marine Bio-resources and Ecology, Guangdong Provincial Key Laboratory of Applied Marine Biology, South China Sea Institute of Oceanology, Chinese Academy of Science, Guangzhou, 510301, China
| | - Yang Zhang
- Key Laboratory of Tropical Marine Bio-resources and Ecology, Guangdong Provincial Key Laboratory of Applied Marine Biology, South China Sea Institute of Oceanology, Chinese Academy of Science, Guangzhou, 510301, China.
| | - Ziniu Yu
- Key Laboratory of Tropical Marine Bio-resources and Ecology, Guangdong Provincial Key Laboratory of Applied Marine Biology, South China Sea Institute of Oceanology, Chinese Academy of Science, Guangzhou, 510301, China.
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de Pablo-Maiso L, Doménech A, Echeverría I, Gómez-Arrebola C, de Andrés D, Rosati S, Gómez-Lucia E, Reina R. Prospects in Innate Immune Responses as Potential Control Strategies against Non-Primate Lentiviruses. Viruses 2018; 10:v10080435. [PMID: 30126090 PMCID: PMC6116218 DOI: 10.3390/v10080435] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2018] [Revised: 08/08/2018] [Accepted: 08/10/2018] [Indexed: 02/06/2023] Open
Abstract
Lentiviruses are infectious agents of a number of animal species, including sheep, goats, horses, monkeys, cows, and cats, in addition to humans. As in the human case, the host immune response fails to control the establishment of chronic persistent infection that finally leads to a specific disease development. Despite intensive research on the development of lentivirus vaccines, it is still not clear which immune responses can protect against infection. Viral mutations resulting in escape from T-cell or antibody-mediated responses are the basis of the immune failure to control the infection. The innate immune response provides the first line of defense against viral infections in an antigen-independent manner. Antiviral innate responses are conducted by dendritic cells, macrophages, and natural killer cells, often targeted by lentiviruses, and intrinsic antiviral mechanisms exerted by all cells. Intrinsic responses depend on the recognition of the viral pathogen-associated molecular patterns (PAMPs) by pathogen recognition receptors (PRRs), and the signaling cascades leading to an antiviral state by inducing the expression of antiviral proteins, including restriction factors. This review describes the latest advances on innate immunity related to the infection by animal lentiviruses, centered on small ruminant lentiviruses (SRLV), equine infectious anemia virus (EIAV), and feline (FIV) and bovine immunodeficiency viruses (BIV), specifically focusing on the antiviral role of the major restriction factors described thus far.
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MESH Headings
- Animals
- Cats
- Cattle
- Dendritic Cells/immunology
- Dendritic Cells/virology
- Gene Expression Regulation/immunology
- Goats
- Horses
- Immunity, Innate
- Immunodeficiency Virus, Bovine/immunology
- Immunodeficiency Virus, Bovine/pathogenicity
- Immunodeficiency Virus, Feline/immunology
- Immunodeficiency Virus, Feline/pathogenicity
- Infectious Anemia Virus, Equine/immunology
- Infectious Anemia Virus, Equine/pathogenicity
- Interferon Regulatory Factors/genetics
- Interferon Regulatory Factors/immunology
- Killer Cells, Natural/immunology
- Killer Cells, Natural/virology
- Lentivirus Infections/genetics
- Lentivirus Infections/immunology
- Lentivirus Infections/virology
- Macrophages/immunology
- Macrophages/virology
- Pathogen-Associated Molecular Pattern Molecules/immunology
- Receptors, Pattern Recognition/genetics
- Receptors, Pattern Recognition/immunology
- Sheep
- T-Lymphocytes/immunology
- T-Lymphocytes/virology
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Affiliation(s)
- Lorena de Pablo-Maiso
- Instituto de Agrobiotecnología (IdAB), UPNA-CSIC-Gobierno de Navarra, Navarra 31192, Spain.
| | - Ana Doménech
- Dpto. Sanidad Animal, Facultad de Veterinaria, Universidad Complutense de Madrid, Madrid 28040, Spain.
| | - Irache Echeverría
- Instituto de Agrobiotecnología (IdAB), UPNA-CSIC-Gobierno de Navarra, Navarra 31192, Spain.
| | - Carmen Gómez-Arrebola
- Instituto de Agrobiotecnología (IdAB), UPNA-CSIC-Gobierno de Navarra, Navarra 31192, Spain.
| | - Damián de Andrés
- Instituto de Agrobiotecnología (IdAB), UPNA-CSIC-Gobierno de Navarra, Navarra 31192, Spain.
| | - Sergio Rosati
- Malattie Infettive degli Animali Domestici, Dipartimento di Scienze Veterinarie, Università degli Studi di Torino, Torino 10095, Italy.
| | - Esperanza Gómez-Lucia
- Dpto. Sanidad Animal, Facultad de Veterinaria, Universidad Complutense de Madrid, Madrid 28040, Spain.
| | - Ramsés Reina
- Instituto de Agrobiotecnología (IdAB), UPNA-CSIC-Gobierno de Navarra, Navarra 31192, Spain.
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Lugli E, Brummelman J, Pilipow K, Roychoudhuri R. Paths to expansion: Differential requirements of IRF4 in CD8 + T-cell expansion driven by antigen and homeostatic cytokines. Eur J Immunol 2018; 48:1281-1284. [PMID: 30133745 DOI: 10.1002/eji.201847727] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2018] [Accepted: 07/02/2018] [Indexed: 11/11/2022]
Abstract
Interferon regulatory factor 4 (IRF4) regulates the clonal expansion and metabolic activity of activated T cells, but the precise context and mechanisms of its function in these processes are unclear. In this issue of the European Journal of Immunology, Miyakoda et al. [Eur. J. Immunol. 2018. 48: 1319-1328] show that IRF4 is required for activation and expansion of naïve and memory CD8+ T cells driven by T-cell receptor (TCR) signaling, but dispensable for memory CD8+ T-cell maintenance and homeostatic proliferation driven by homeostatic cytokines. The authors show that the function of IRF4 in CD8+ T-cell expansion is partially dependent upon activation of the PI3K/AKT pathway through direct or indirect attenuation of PTEN expression. These data shed light upon the differential intracellular pathways required for naïve and memory T cells to respond to self-antigens and/or homeostatic cytokines, and highlight the potential translational relevance of these findings in the context of immune reconstitution such as following allogeneic stem cell transplantation.
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Affiliation(s)
- Enrico Lugli
- Laboratory of Translational Immunology, Humanitas Clinical and Research Center, Rozzano, Milan, Italy
- Humanitas Flow Cytometry Core, Humanitas Clinical and Research Center, Rozzano, Milan, Italy
| | - Jolanda Brummelman
- Laboratory of Translational Immunology, Humanitas Clinical and Research Center, Rozzano, Milan, Italy
| | - Karolina Pilipow
- Laboratory of Translational Immunology, Humanitas Clinical and Research Center, Rozzano, Milan, Italy
| | - Rahul Roychoudhuri
- Laboratory of Lymphocyte Signalling and Development, The Babraham Institute, Cambridge, UK
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Ainouze M, Rochefort P, Parroche P, Roblot G, Tout I, Briat F, Zannetti C, Marotel M, Goutagny N, Auron P, Traverse-Glehen A, Lunel-Potencier A, Golfier F, Masson M, Robitaille A, Tommasino M, Carreira C, Walzer T, Henry T, Zanier K, Trave G, Hasan UA. Human papillomavirus type 16 antagonizes IRF6 regulation of IL-1β. PLoS Pathog 2018; 14:e1007158. [PMID: 30089163 PMCID: PMC6124776 DOI: 10.1371/journal.ppat.1007158] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/12/2018] [Revised: 09/05/2018] [Accepted: 06/15/2018] [Indexed: 12/15/2022] Open
Abstract
Human papillomavirus type 16 (HPV16) and other oncoviruses have been shown to block innate immune responses and to persist in the host. However, to avoid viral persistence, the immune response attempts to clear the infection. IL-1β is a powerful cytokine produced when viral motifs are sensed by innate receptors that are members of the inflammasome family. Whether oncoviruses such as HPV16 can activate the inflammasome pathway remains unknown. Here, we show that infection of human keratinocytes with HPV16 induced the secretion of IL-1β. Yet, upon expression of the viral early genes, IL-1β transcription was blocked. We went on to show that expression of the viral oncoprotein E6 in human keratinocytes inhibited IRF6 transcription which we revealed regulated IL-1β promoter activity. Preventing E6 expression using siRNA, or using E6 mutants that prevented degradation of p53, showed that p53 regulated IRF6 transcription. HPV16 abrogation of p53 binding to the IRF6 promoter was shown by ChIP in tissues from patients with cervical cancer. Thus E6 inhibition of IRF6 is an escape strategy used by HPV16 to block the production IL-1β. Our findings reveal a struggle between oncoviral persistence and host immunity; which is centered on IL-1β regulation.
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Affiliation(s)
- Michelle Ainouze
- Centre International de recherche en Infectiologie, CIRI, Inserm, U1111, Lyon, France
- Université Claude Bernard Lyon 1, Lyon, France
- CNRS, UMR5308, Lyon, France
- École Normale Supérieure de Lyon, Univ Lyon, France
- Hospices Civils de Lyon, France
| | - Pauline Rochefort
- Centre International de recherche en Infectiologie, CIRI, Inserm, U1111, Lyon, France
- Université Claude Bernard Lyon 1, Lyon, France
- CNRS, UMR5308, Lyon, France
- École Normale Supérieure de Lyon, Univ Lyon, France
- Hospices Civils de Lyon, France
| | - Peggy Parroche
- Centre International de recherche en Infectiologie, CIRI, Inserm, U1111, Lyon, France
- Université Claude Bernard Lyon 1, Lyon, France
- CNRS, UMR5308, Lyon, France
- École Normale Supérieure de Lyon, Univ Lyon, France
- Hospices Civils de Lyon, France
| | - Guillaume Roblot
- Centre International de recherche en Infectiologie, CIRI, Inserm, U1111, Lyon, France
- Université Claude Bernard Lyon 1, Lyon, France
- CNRS, UMR5308, Lyon, France
- École Normale Supérieure de Lyon, Univ Lyon, France
- Hospices Civils de Lyon, France
| | - Issam Tout
- Centre International de recherche en Infectiologie, CIRI, Inserm, U1111, Lyon, France
- Université Claude Bernard Lyon 1, Lyon, France
- CNRS, UMR5308, Lyon, France
- École Normale Supérieure de Lyon, Univ Lyon, France
- Hospices Civils de Lyon, France
| | - François Briat
- Centre International de recherche en Infectiologie, CIRI, Inserm, U1111, Lyon, France
- Université Claude Bernard Lyon 1, Lyon, France
- CNRS, UMR5308, Lyon, France
- École Normale Supérieure de Lyon, Univ Lyon, France
- Hospices Civils de Lyon, France
| | - Claudia Zannetti
- Centre International de recherche en Infectiologie, CIRI, Inserm, U1111, Lyon, France
- Université Claude Bernard Lyon 1, Lyon, France
- CNRS, UMR5308, Lyon, France
- École Normale Supérieure de Lyon, Univ Lyon, France
- Hospices Civils de Lyon, France
| | - Marie Marotel
- Centre International de recherche en Infectiologie, CIRI, Inserm, U1111, Lyon, France
- Université Claude Bernard Lyon 1, Lyon, France
- CNRS, UMR5308, Lyon, France
- École Normale Supérieure de Lyon, Univ Lyon, France
- Hospices Civils de Lyon, France
| | - Nadege Goutagny
- Cancer Research Centre of Lyon, INSERM U1052-CNRS UMR5286, Lyon, France
| | - Philip Auron
- Duquesne University, Pittsburgh, Pennsylvania, United States of America
| | - Alexandra Traverse-Glehen
- Hospices Civils de Lyon, France
- Cancer Research Centre of Lyon, INSERM U1052-CNRS UMR5286, Lyon, France
| | | | | | | | | | | | | | - Thierry Walzer
- Centre International de recherche en Infectiologie, CIRI, Inserm, U1111, Lyon, France
- Université Claude Bernard Lyon 1, Lyon, France
- CNRS, UMR5308, Lyon, France
- École Normale Supérieure de Lyon, Univ Lyon, France
- Hospices Civils de Lyon, France
| | - Thomas Henry
- Centre International de recherche en Infectiologie, CIRI, Inserm, U1111, Lyon, France
- Université Claude Bernard Lyon 1, Lyon, France
- CNRS, UMR5308, Lyon, France
- École Normale Supérieure de Lyon, Univ Lyon, France
- Hospices Civils de Lyon, France
| | | | | | - Uzma Ayesha Hasan
- Centre International de recherche en Infectiologie, CIRI, Inserm, U1111, Lyon, France
- Université Claude Bernard Lyon 1, Lyon, France
- CNRS, UMR5308, Lyon, France
- École Normale Supérieure de Lyon, Univ Lyon, France
- Hospices Civils de Lyon, France
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Adams NM, Lau CM, Fan X, Rapp M, Geary CD, Weizman OE, Diaz-Salazar C, Sun JC. Transcription Factor IRF8 Orchestrates the Adaptive Natural Killer Cell Response. Immunity 2018; 48:1172-1182.e6. [PMID: 29858012 PMCID: PMC6233715 DOI: 10.1016/j.immuni.2018.04.018] [Citation(s) in RCA: 87] [Impact Index Per Article: 14.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2017] [Revised: 03/08/2018] [Accepted: 04/16/2018] [Indexed: 12/18/2022]
Abstract
Natural killer (NK) cells are innate lymphocytes that display features of adaptive immunity during viral infection. Biallelic mutations in IRF8 have been reported to cause familial NK cell deficiency and susceptibility to severe viral infection in humans; however, the precise role of this transcription factor in regulating NK cell function remains unknown. Here, we show that cell-intrinsic IRF8 was required for NK-cell-mediated protection against mouse cytomegalovirus infection. During viral exposure, NK cells upregulated IRF8 through interleukin-12 (IL-12) signaling and the transcription factor STAT4, which promoted epigenetic remodeling of the Irf8 locus. Moreover, IRF8 facilitated the proliferative burst of virus-specific NK cells by promoting expression of cell-cycle genes and directly controlling Zbtb32, a master regulator of virus-driven NK cell proliferation. These findings identify the function and cell-type-specific regulation of IRF8 in NK-cell-mediated antiviral immunity and provide a mechanistic understanding of viral susceptibility in patients with IRF8 mutations.
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Affiliation(s)
- Nicholas M Adams
- Immunology Program, Memorial Sloan Kettering Cancer Center, New York, NY 10065, USA; Louis V. Gerstner Jr. Graduate School of Biomedical Sciences, Memorial Sloan Kettering Cancer Center, New York, NY 10065, USA
| | - Colleen M Lau
- Immunology Program, Memorial Sloan Kettering Cancer Center, New York, NY 10065, USA
| | - Xiying Fan
- Immunology Program, Memorial Sloan Kettering Cancer Center, New York, NY 10065, USA
| | - Moritz Rapp
- Immunology Program, Memorial Sloan Kettering Cancer Center, New York, NY 10065, USA
| | - Clair D Geary
- Immunology Program, Memorial Sloan Kettering Cancer Center, New York, NY 10065, USA
| | - Orr-El Weizman
- Immunology Program, Memorial Sloan Kettering Cancer Center, New York, NY 10065, USA
| | - Carlos Diaz-Salazar
- Immunology Program, Memorial Sloan Kettering Cancer Center, New York, NY 10065, USA
| | - Joseph C Sun
- Immunology Program, Memorial Sloan Kettering Cancer Center, New York, NY 10065, USA; Louis V. Gerstner Jr. Graduate School of Biomedical Sciences, Memorial Sloan Kettering Cancer Center, New York, NY 10065, USA; Department of Immunology and Microbial Pathogenesis, Weill Cornell Medical College, New York, NY 10065, USA.
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Bo M, Erre GL, Niegowska M, Piras M, Taras L, Longu MG, Passiu G, Sechi LA. Interferon regulatory factor 5 is a potential target of autoimmune response triggered by Epstein-barr virus and Mycobacterium avium subsp. paratuberculosis in rheumatoid arthritis: investigating a mechanism of molecular mimicry. Clin Exp Rheumatol 2018; 36:376-381. [PMID: 29352853] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2017] [Accepted: 08/01/2017] [Indexed: 06/07/2023]
Abstract
OBJECTIVES Rheumatoid arthritis (RA) is a chronic disease characterised by a pro-inflammatory cytokines linked erosive joint damage and by humoral and cellular response against a broad range of self-peptides. Molecular mimicry between Epstein-Barr virus (EBV), Mycobacterium avium subsp. paratuberculosis (MAP) and host peptides has long been regarded as an RA pathogenetic mechanism. Using bioinformatic analysis we identified high sequence homology among interferon regulatory factor 5 (IRF5), EBV antigen BOLF1 and MAP antigen MAP_4027. Our objective was to evaluate the presence in sera of RA patients of antibodies (Abs) directed against human homologous IRF5 cross-reacting with BOLF1 and MAP_4027. METHODS Frequency of reactivity against IRF5424-434, BOLF1305-320 and MAP_402718-32 was tested by indirect ELISA in sera from 71 RA patients and 60 healthy controls (HCs). RESULTS RA sera show a remarkable high frequency of reactivity against IRF5424-434 in comparison to HCs (69% vs. 8%; p<0.0001). Similarly, seroreactivity against BOLF1305-320 was more frequently detected in RA sera than in HCs counterpart (58% vs. 8%; p<0.0001). Frequency of Abs against MAP_402718-32 was 17% in RA sera vs. 5% in HCs with a p-value at the threshold level (p<0.051). Prevalence of Abs against at least one of the assessed epitopes reached 72% in RA patients and 15% among HCs. Levels of Abs in RA patients were significantly related to systemic inflammation. CONCLUSIONS IRF5 is a potential autoimmune target of RA. Our results support the hypothesis that EBV and MAP infections may be involved in the pathogenesis of RA, igniting a secondary immune response that cross-reacts against RA self-peptides.
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Affiliation(s)
- Marco Bo
- Dipartimento di Scienze Biomediche, Sezione di Microbiologia e Virologia, Università di Sassari, Italy
| | - Gian Luca Erre
- Dipartimento di Medicina Clinica e Sperimentale, Azienda Ospedaliero-Universitaria di Sassari, Italy
| | - Magdalena Niegowska
- Dipartimento di Scienze Biomediche, Sezione di Microbiologia e Virologia, Università di Sassari, Italy
| | - Marco Piras
- Dipartimento di Medicina Clinica e Sperimentale, Azienda Ospedaliero-Universitaria di Sassari, Italy
| | - Loredana Taras
- Dipartimento di Medicina Clinica e Sperimentale, Azienda Ospedaliero-Universitaria di Sassari, Italy
| | - Maria Giovanna Longu
- Dipartimento di Medicina Clinica e Sperimentale, Azienda Ospedaliero-Universitaria di Sassari, Italy
| | - Giuseppe Passiu
- Dipartimento di Medicina Clinica e Sperimentale, Azienda Ospedaliero-Universitaria di Sassari, Italy
| | - Leonardo A Sechi
- Dipartimento di Scienze Biomediche, Sezione di Microbiologia e Virologia, Università di Sassari, Italy.
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Bo M, Niegowska M, Erre GL, Piras M, Longu MG, Manchia P, Manca M, Passiu G, Sechi LA. Rheumatoid arthritis patient antibodies highly recognize IL-2 in the immune response pathway involving IRF5 and EBV antigens. Sci Rep 2018; 8:1789. [PMID: 29379122 PMCID: PMC5789096 DOI: 10.1038/s41598-018-19957-z] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2017] [Accepted: 12/18/2017] [Indexed: 12/28/2022] Open
Abstract
Rheumatoid arthritis (RA) is a chronic autoimmune disease characterized by a progressive joint damage due to largely unknown environmental factors acting in concert with risk alleles conferring genetic susceptibility. A major role has been attributed to viral infections that include past contacts with Epstein-Barr virus (EBV) and, more recently, to non-protein coding sequences of human endogenous retrovirus K (HERV-K) integrated in the human genome. Molecular mimicry between viral and self proteins is supposed to cause the loss of immune tolerance in predisposed hosts. There are evidences that anti-IL-2 antibodies (Abs) are present in subjects affected by autoimmune diseases and may be responsible for alterations in regulatory T cell responses. In this study, we evaluated the levels of Abs against IL-2, viral epitopes and interferon regulatory factor 5 (IRF5) in 140 RA patients and 137 healthy controls (HCs). Ab reactivity reached the highest levels for IRF5, EBV and IL-2 (56%, 44% and 39%, respectively) in RA with significantly lower values among HCs (7-9%, p < 0.0001), which suggests a possible cross-reaction between IRF5/EBV homologous antigens and shifts in T cell balance disrupted by anti-IL-2 Abs.
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Affiliation(s)
- Marco Bo
- Department of Biomedical Sciences, Section of Microbiology and Virology, University of Sassari, Viale San Pietro 43b, 07100, Sassari, Italy
| | - Magdalena Niegowska
- Department of Biomedical Sciences, Section of Microbiology and Virology, University of Sassari, Viale San Pietro 43b, 07100, Sassari, Italy
| | - Gian Luca Erre
- UOC Reumatologia, Dipartimento di Medicina Clinica e Sperimentale, Azienda-Ospedaliero Universitaria di Sassari, Sassari, Italy
| | - Marco Piras
- UOC Reumatologia, Dipartimento di Medicina Clinica e Sperimentale, Azienda-Ospedaliero Universitaria di Sassari, Sassari, Italy
| | - Maria Giovanna Longu
- UOC Reumatologia, Dipartimento di Medicina Clinica e Sperimentale, Azienda-Ospedaliero Universitaria di Sassari, Sassari, Italy
| | | | - Mario Manca
- Centro Trasfusionale, ASL Sassari, Sassari, Italy
| | - Giuseppe Passiu
- UOC Reumatologia, Dipartimento di Medicina Clinica e Sperimentale, Azienda-Ospedaliero Universitaria di Sassari, Sassari, Italy
| | - Leonardo A Sechi
- Department of Biomedical Sciences, Section of Microbiology and Virology, University of Sassari, Viale San Pietro 43b, 07100, Sassari, Italy.
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de Mingo Pulido Á, Gardner A, Hiebler S, Soliman H, Rugo HS, Krummel MF, Coussens LM, Ruffell B. TIM-3 Regulates CD103 + Dendritic Cell Function and Response to Chemotherapy in Breast Cancer. Cancer Cell 2018; 33:60-74.e6. [PMID: 29316433 PMCID: PMC5764109 DOI: 10.1016/j.ccell.2017.11.019] [Citation(s) in RCA: 232] [Impact Index Per Article: 38.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/13/2017] [Revised: 08/13/2017] [Accepted: 11/29/2017] [Indexed: 12/18/2022]
Abstract
Intratumoral CD103+ dendritic cells (DCs) are necessary for anti-tumor immunity. Here we evaluated the expression of immune regulators by CD103+ DCs in a murine model of breast cancer and identified expression of TIM-3 as a target for therapy. Anti-TIM-3 antibody improved response to paclitaxel chemotherapy in models of triple-negative and luminal B disease, with no evidence of toxicity. Combined efficacy was CD8+ T cell dependent and associated with increased granzyme B expression; however, TIM-3 expression was predominantly localized to myeloid cells in both human and murine tumors. Gene expression analysis identified upregulation of Cxcl9 within intratumoral DCs during combination therapy, and therapeutic efficacy was ablated by CXCR3 blockade, Batf3 deficiency, or Irf8 deficiency.
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Affiliation(s)
- Álvaro de Mingo Pulido
- Department of Immunology, H. Lee Moffitt Cancer Center and Research Institute, 12902 Magnolia Drive SRB-2, Tampa, FL 33612, USA
| | - Alycia Gardner
- Department of Immunology, H. Lee Moffitt Cancer Center and Research Institute, 12902 Magnolia Drive SRB-2, Tampa, FL 33612, USA; Cancer Biology PhD Program, University of South Florida, Tampa, FL 33620, USA
| | - Shandi Hiebler
- Department of Immunology, H. Lee Moffitt Cancer Center and Research Institute, 12902 Magnolia Drive SRB-2, Tampa, FL 33612, USA
| | - Hatem Soliman
- Department of Immunology, H. Lee Moffitt Cancer Center and Research Institute, 12902 Magnolia Drive SRB-2, Tampa, FL 33612, USA; Department of Breast Oncology, H. Lee Moffitt Cancer Center and Research Institute, Tampa, FL 33612, USA
| | - Hope S Rugo
- Department of Medicine and Helen Diller Family Comprehensive Cancer Center, University of California, San Francisco, CA 94143, USA
| | - Matthew F Krummel
- Department of Pathology, University of California, San Francisco, CA 94143, USA
| | - Lisa M Coussens
- Department of Cell, Developmental & Cancer Biology, and Knight Cancer Institute, Oregon Health & Science University, Portland, OR 97239, USA
| | - Brian Ruffell
- Department of Immunology, H. Lee Moffitt Cancer Center and Research Institute, 12902 Magnolia Drive SRB-2, Tampa, FL 33612, USA; Department of Breast Oncology, H. Lee Moffitt Cancer Center and Research Institute, Tampa, FL 33612, USA.
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Ai K, Luo K, Xia L, Gao W, Hu W, Qi Z, Xu Q. Functional characterization of interferon regulatory factor 5 and its role in the innate antiviral immune response. Fish Shellfish Immunol 2018; 72:31-36. [PMID: 29080685 DOI: 10.1016/j.fsi.2017.10.042] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [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: 08/10/2017] [Revised: 09/26/2017] [Accepted: 10/24/2017] [Indexed: 06/07/2023]
Abstract
In mammals, type I interferons (IFNs) are primarily regulated by transcription factors of the IFN regulatory (IRF) family. Interferon regulatory factor 5 (IRF-5) plays pivotal roles in antiviral and inflammatory responses. In the present study, we found that zebrafish (Danio rerio) IRF5 is a key player in the regulation of the expression of type I IFN and its antiviral immune response. IRF5 was upregulated in zebrafish embryonic fibroblast cells (ZF4) when challenged with grass carp reovirus (GCRV). Moreover, the expression profiles of Mx, IFN, Viperin, and IRF7, but not IRF3, were upregulated by overexpression of IRF5 in Epithelioma papulosum cyprinid cells (EPCs). Luciferase assays revealed that the activation of the IFNϕ1 promoter was stimulated by overexpression of IRF5 and IRF5-△IAD (IRF5 lacking the IRF-associated domain), respectively. However, overexpression of IRF5 or IRF5-△IAD inhibited the activity of the IFNϕ3 promoter. IRF5-△DBD (lacking the DNA-binding domain) had no influence in the activation of the IFNϕ1 and IFNϕ3 promoters. Furthermore, the determination of the cytopathic effect (CPE) numbers and viral titers revealed that the viral concentration was reduced by ectopic expression of IRF5 in EPC cells. Ectopic expression of IRF5 in EPC cells could protect cells from GCRV and significantly inhibited GCRV virus replication. These data indicated that IRF5 could limit viral replication through an IFN-dependent pathway.
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Affiliation(s)
- Kete Ai
- Engineering Research Center of Ecology and Agricultural Use of Wetland, Ministry of Education, Jingzhou 434020, China; State Key Laboratory of Freshwater Ecology and Biotechnology, Institute of Hydrobiology, Chinese Academy of Sciences, Wuhan, Hubei Province 430072, China
| | - Kai Luo
- Engineering Research Center of Ecology and Agricultural Use of Wetland, Ministry of Education, Jingzhou 434020, China
| | - Lihai Xia
- Engineering Research Center of Ecology and Agricultural Use of Wetland, Ministry of Education, Jingzhou 434020, China
| | - Weihua Gao
- Engineering Research Center of Ecology and Agricultural Use of Wetland, Ministry of Education, Jingzhou 434020, China
| | - Wei Hu
- Engineering Research Center of Ecology and Agricultural Use of Wetland, Ministry of Education, Jingzhou 434020, China; School of Animal Science, Yangtze University, Jingzhou 434020, China
| | - Zhitao Qi
- Engineering Research Center of Ecology and Agricultural Use of Wetland, Ministry of Education, Jingzhou 434020, China; School of Animal Science, Yangtze University, Jingzhou 434020, China
| | - Qiaoqing Xu
- Engineering Research Center of Ecology and Agricultural Use of Wetland, Ministry of Education, Jingzhou 434020, China; School of Animal Science, Yangtze University, Jingzhou 434020, China.
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Li S, Hu G, Chen Z, Song L, Wang G, Liu D, Liu Q. Cloning and expression study of an IRF4a gene and its two transcript variants in turbot, Scophthalmus maximus. Fish Shellfish Immunol 2018; 72:389-398. [PMID: 29054828 DOI: 10.1016/j.fsi.2017.10.024] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [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: 07/05/2017] [Revised: 10/09/2017] [Accepted: 10/13/2017] [Indexed: 06/07/2023]
Abstract
Interferon regulatory factor 4 (IRF4) is known to be involved in antiviral response as well as regulation of functional and developmental processes in lymphomyeloid cell lineages in mammals. In this study, the gene of IRF4a and its two transcript variants (named IRF4a1 and -2) were cloned from turbot, Scophthalmus maximus, the tissue distributions and in vivo immune responsive expression patterns of the two transcripts were subsequently examined. The Scophthalmus maximus (Sm)IRF4a gene is 8367 nucleotide (nt) in length, consisting of eight exons and seven introns. The SmIRF4a1 transcript is 3185 nt long, containing an open reading frame (ORF) of 1401 nt that encodes a polypeptide of 466 amino acids (aa). The SmIRF4a2 transcript is 2265 nt long and identical with the SmIRF4a1 from position 1 to 1171, containing an ORF of 1164 nt that encodes a truncated protein of 387 aa as a result of a frame shift in exon 6 which introduces a premature stop codon. The deduced aa sequence of SmIRF4a1 posses a DNA-binding domain (DBD), a nuclear localization signal (NLS), a serine-rich domain (SRD) and an IRF association domain (IAD), while SmIRF4a2 lacks the C-terminal 52 residues of the IAD and the downstream C-terminal extension, instead, they are replaced by a 8-aa segment although the three upstream domains are intact. Quantitative real-time PCR analysis revealed a broad tissue expression for both SmIRF4a1 and -2 with the former showing a significantly higher expression in all examined tissues except skin. Expressions of two transcript variants after stimulation with polyinosinic:polycytidylic acid [poly(I:C)] and turbot reddish body iridovirus (TRBIV) were tested in gills, spleen, head kidney and muscle. A two-wave of induced expression pattern was observed for both transcripts with either stimulus treatment during a 7-day time course. SmIRF4a2 responded more promptly to the stimuli and showed a higher level of inducibility in the early phase while SmIRF4a1 was strongly detected in the later phase. These data suggest an important role of SmIRF4a2 in the fast immune response under a background of SmIRF4a1-dominant antiviral response in the IRF4a system of turbot.
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Affiliation(s)
- Song Li
- College of Marine Life Sciences, Ocean University of China, Qingdao 266003, China; Institute of Evolution & Marine Biodiversity, Ocean University of China, Qingdao 266003, China
| | - Guobin Hu
- College of Marine Life Sciences, Ocean University of China, Qingdao 266003, China; Institute of Evolution & Marine Biodiversity, Ocean University of China, Qingdao 266003, China.
| | - Zhipeng Chen
- College of Fisheries, Ocean University of China, Qingdao 266003, China; Institute of Evolution & Marine Biodiversity, Ocean University of China, Qingdao 266003, China
| | - Lianfei Song
- College of Marine Life Sciences, Ocean University of China, Qingdao 266003, China; Institute of Evolution & Marine Biodiversity, Ocean University of China, Qingdao 266003, China
| | - Guanjie Wang
- College of Marine Life Sciences, Ocean University of China, Qingdao 266003, China; Institute of Evolution & Marine Biodiversity, Ocean University of China, Qingdao 266003, China
| | - Dahai Liu
- First Institute of Oceanography, State Oceanic Administration of China, Qingdao 266061, China
| | - Qiuming Liu
- College of Marine Life Sciences, Ocean University of China, Qingdao 266003, China
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Valanparambil RM, Tam M, Gros PP, Auger JP, Segura M, Gros P, Jardim A, Geary TG, Ozato K, Stevenson MM. IRF-8 regulates expansion of myeloid-derived suppressor cells and Foxp3+ regulatory T cells and modulates Th2 immune responses to gastrointestinal nematode infection. PLoS Pathog 2017; 13:e1006647. [PMID: 28968468 PMCID: PMC5638610 DOI: 10.1371/journal.ppat.1006647] [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] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/07/2016] [Revised: 10/12/2017] [Accepted: 09/12/2017] [Indexed: 11/24/2022] Open
Abstract
Interferon regulatory factor-8 (IRF-8) is critical for Th1 cell differentiation and negatively regulates myeloid cell development including myeloid-derived suppressor cells (MDSC). MDSC expand during infection with various pathogens including the gastrointestinal (GI) nematode Heligmosomoides polygyrus bakeri (Hpb). We investigated if IRF-8 contributes to Th2 immunity to Hpb infection. Irf8 expression was down-regulated in MDSC from Hpb-infected C57BL/6 (B6) mice. IRF-8 deficient Irf8-/- and BXH-2 mice had significantly higher adult worm burdens than B6 mice after primary or challenge Hpb infection. During primary infection, MDSC expanded to a significantly greater extent in mesenteric lymph nodes (MLN) and spleens of Irf8-/- and BXH-2 than B6 mice. CD4+GATA3+ T cells numbers were comparable in MLN of infected B6 and IRF-8 deficient mice, but MLN cells from infected IRF-8 deficient mice secreted significantly less parasite-specific IL-4 ex vivo. The numbers of alternatively activated macrophages in MLN and serum levels of Hpb-specific IgG1 and IgE were also significantly less in infected Irf8-/- than B6 mice. The frequencies of antigen-experienced CD4+CD11ahiCD49dhi cells that were CD44hiCD62L- were similar in MLN of infected Irf8-/- and B6 mice, but the proportions of CD4+GATA3+ and CD4+IL-4+ T cells were lower in infected Irf8-/- mice. CD11b+Gr1+ cells from naïve or infected Irf8-/- mice suppressed CD4+ T cell proliferation and parasite-specific IL-4 secretion in vitro albeit less efficiently than B6 mice. Surprisingly, there were significantly more CD4+ T cells in infected Irf8-/- mice, with a higher frequency of CD4+CD25+Foxp3+ T (Tregs) cells and significantly higher numbers of Tregs than B6 mice. In vivo depletion of MDSC and/or Tregs in Irf8-/- mice did not affect adult worm burdens, but Treg depletion resulted in higher egg production and enhanced parasite-specific IL-5, IL-13, and IL-6 secretion ex vivo. Our data thus provide a previously unrecognized role for IRF-8 in Th2 immunity to a GI nematode. We investigated if IRF-8, which is critical for Th1 immunity and negatively regulates myeloid cell development including MDSC, contributes to Th2 immunity to the gastrointestinal nematode Heligmosomoides polygyrus bakeri (Hpb). Irf8 expression was down-regulated in MDSC from infected C57BL/6 (B6) mice. Hpb-infected IRF-8 deficient mice had significantly higher adult worm burdens than B6 mice. There were significantly more MDSC, fewer alternatively activated macrophages, lower serum levels of Hpb-specific antibodies in infected IRF-8 deficient than B6 mice, and MLN cells from infected IRF-8 deficient mice secreted less parasite-specific IL-4 ex vivo. There were similar frequencies of antigen-experienced CD4+CD11ahiCD49dhi T cells in MLN that were CD44hiCD62L- in infected Irf8-/- and B6 mice, but lower proportions of CD4+GATA3+ and CD4+IL-4+ T cells in Irf8-/- mice. Infected Irf8-/- mice had a higher frequency of CD4+Foxp3+ T (Tregs) cells and significantly higher numbers of Tregs compared to infected B6 mice. MDSC from infected Irf8-/- mice suppressed CD4+ T cell effector functions in vitro albeit less efficiently than B6 mice. Treg and/or MDSC depletion did not affect adult worm burdens in infected Irf8-/- mice, but Treg depletion partially restored Th2 cytokine responses. These data highlight the importance of IRF-8 in Th2 immunity to Hpb infection.
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Affiliation(s)
- Rajesh M. Valanparambil
- Division of Experimental Medicine, Department of Medicine, McGill University, Montreal, Quebec, Canada
- The Research Institute of the McGill University Health Centre, Montreal, Quebec, Canada
- Centre for Host-Parasite Interactions, Institute of Parasitology, McGill University, Ste-Anne de Bellevue, Quebec, Canada
| | - Mifong Tam
- The Research Institute of the McGill University Health Centre, Montreal, Quebec, Canada
| | - Pierre-Paul Gros
- The Research Institute of the McGill University Health Centre, Montreal, Quebec, Canada
| | - Jean-Philippe Auger
- Department of Pathology and Microbiology, Faculty of Veterinary Medicine, University of Montreal, St. Hyacinthe, Quebec, Canada
| | - Mariela Segura
- Centre for Host-Parasite Interactions, Institute of Parasitology, McGill University, Ste-Anne de Bellevue, Quebec, Canada
- Department of Pathology and Microbiology, Faculty of Veterinary Medicine, University of Montreal, St. Hyacinthe, Quebec, Canada
| | - Philippe Gros
- Department of Biochemistry, McGill University, Montreal, Quebec, Canada
| | - Armando Jardim
- Centre for Host-Parasite Interactions, Institute of Parasitology, McGill University, Ste-Anne de Bellevue, Quebec, Canada
| | - Timothy G. Geary
- Centre for Host-Parasite Interactions, Institute of Parasitology, McGill University, Ste-Anne de Bellevue, Quebec, Canada
| | - Keiko Ozato
- Division of Developmental Biology, National Institute of Child Health and Human Development, NIH, Bethesda MD, United States of America
| | - Mary M. Stevenson
- Division of Experimental Medicine, Department of Medicine, McGill University, Montreal, Quebec, Canada
- The Research Institute of the McGill University Health Centre, Montreal, Quebec, Canada
- Centre for Host-Parasite Interactions, Institute of Parasitology, McGill University, Ste-Anne de Bellevue, Quebec, Canada
- Department of Microbiology and Immunology, McGill University, Montreal, Quebec, Canada
- * E-mail:
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Wang H, Mo L, Xiao X, An S, Liu X, Ba J, Wu W, Ran P, Yang P, Liu Z. Pplase of Dermatophagoides farinae promotes ovalbumin-induced airway allergy by modulating the functions of dendritic cells in a mouse model. Sci Rep 2017; 7:43322. [PMID: 28240301 PMCID: PMC5327411 DOI: 10.1038/srep43322] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2016] [Accepted: 01/25/2017] [Indexed: 11/09/2022] Open
Abstract
Our previous studies revealed that many proteins in addition to the known allergens of D. farinae have not been fully characterized. We observed that Pplase did not respond to serum collected from patients sensitized to D. farinae. In a mouse model, Pplase significantly enhanced airway hyperresponsiveness (AHR) and Th2 responses induced by ovalbumin (OVA) compared with mice treated with OVA alone. Moreover, exposure to Pplase significantly increased the expression of IRF4, CD80, CD83, MHCII and TNF-α in DC2.4 cells, which was abolished in the presence of a TLR4 inhibitor. In vitro T cell polarization experiments revealed that Pplase alone could not induce T cell polarization but enhanced T cell polarization together with OVA. In addition, transfer of Pplase-primed bone marrow-derived DCs (BMDCs) to naïve mice enhanced AHR and Th2 immune responses in mice sensitized to OVA. In conclusion, Pplase is not an allergen of D. farinae but can activate DC cells to facilitate OVA-induced allergic responses.
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Affiliation(s)
- Hui Wang
- State Key Laboratory of Respiratory Disease for Allergy at Shenzhen University, Shenzhen Key Laboratory of Allergy & Immunology, Shenzhen University School of Medicine, Shenzhen, China
| | - Lihua Mo
- State Key Laboratory of Respiratory Disease for Allergy at Shenzhen University, Shenzhen Key Laboratory of Allergy & Immunology, Shenzhen University School of Medicine, Shenzhen, China
- Shenzhen ENT Institute, Longgang ENT Hospital, Shenzhen, China
| | - Xiaojun Xiao
- State Key Laboratory of Respiratory Disease for Allergy at Shenzhen University, Shenzhen Key Laboratory of Allergy & Immunology, Shenzhen University School of Medicine, Shenzhen, China
| | - Shu An
- Luohu district people’s hospital, Shenzhen, China
| | - Xiaoyu Liu
- State Key Laboratory of Respiratory Disease for Allergy at Shenzhen University, Shenzhen Key Laboratory of Allergy & Immunology, Shenzhen University School of Medicine, Shenzhen, China
| | - Jinge Ba
- State Key Laboratory of Respiratory Disease for Allergy at Shenzhen University, Shenzhen Key Laboratory of Allergy & Immunology, Shenzhen University School of Medicine, Shenzhen, China
| | - Weifang Wu
- State Key Laboratory of Respiratory Disease for Allergy at Shenzhen University, Shenzhen Key Laboratory of Allergy & Immunology, Shenzhen University School of Medicine, Shenzhen, China
| | - Pixin Ran
- State Key Laboratory of Respiratory Disease, Guangzhou Medical University, Guangzhou 510006, China
| | - Pingchang Yang
- State Key Laboratory of Respiratory Disease for Allergy at Shenzhen University, Shenzhen Key Laboratory of Allergy & Immunology, Shenzhen University School of Medicine, Shenzhen, China
- Shenzhen ENT Institute, Longgang ENT Hospital, Shenzhen, China
| | - Zhigang Liu
- State Key Laboratory of Respiratory Disease for Allergy at Shenzhen University, Shenzhen Key Laboratory of Allergy & Immunology, Shenzhen University School of Medicine, Shenzhen, China
- Shenzhen ENT Institute, Longgang ENT Hospital, Shenzhen, China
- Luohu district people’s hospital, Shenzhen, China
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50
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Yin X, Yu H, Jin X, Li J, Guo H, Shi Q, Yin Z, Xu Y, Wang X, Liu R, Wang S, Zhang L. Human Blood CD1c+ Dendritic Cells Encompass CD5high and CD5low Subsets That Differ Significantly in Phenotype, Gene Expression, and Functions. J Immunol 2017; 198:1553-1564. [PMID: 28087664 DOI: 10.4049/jimmunol.1600193] [Citation(s) in RCA: 83] [Impact Index Per Article: 11.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/02/2016] [Accepted: 12/09/2016] [Indexed: 12/16/2023]
Abstract
There are three major dendritic cell (DC) subsets in both humans and mice, that is, plasmacytoid DCs and two types of conventional DCs (cDCs), cDC1s and cDC2s. cDC2s are important for polarizing CD4+ naive T cells into different subsets, including Th1, Th2, Th17, Th22, and regulatory T cells. In mice, cDC2s can be further divided into phenotypically and functionally distinct subgroups. However, subsets of human cDC2s have not been reported. In the present study, we showed that human blood CD1c+ cDCs (cDC2s) can be further separated into two subpopulations according to their CD5 expression status. Comparative transcriptome analyses showed that the CD5high DCs expressed higher levels of cDC2-specific genes, including IFN regulatory factor 4, which is essential for the cDC2 development and its migration to lymph nodes. In contrast, CD5low DCs preferentially expressed monocyte-related genes, including the lineage-specific transcription factor MAFB. Furthermore, compared with the CD5low subpopulation, the CD5high subpopulation showed stronger migration toward CCL21 and overrepresentation among migratory DCs in lymph nodes. Additionally, the CD5high DCs induced naive T cell proliferation more potently than did the CD5low DCs. Moreover, CD5high DCs induced higher levels of IL-10-, IL-22-, and IL-4-producing T cell formation, whereas CD5low DCs induced higher levels of IFN-γ-producing T cell formation. Thus, we show that human blood CD1c+ cDC2s encompass two subsets that differ significantly in phenotype, that is, gene expression and functions. We propose that these two subsets of human cDC2s could potentially play contrasting roles in immunity or tolerance.
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Affiliation(s)
- Xiangyun Yin
- Key Laboratory of Infection and Immunity, Institute of Biophysics, Chinese Academy of Sciences, Beijing 100101, China
- University of Chinese Academy of Sciences, Beijing 100080, China
| | - Haisheng Yu
- Key Laboratory of Infection and Immunity, Institute of Biophysics, Chinese Academy of Sciences, Beijing 100101, China
- University of Chinese Academy of Sciences, Beijing 100080, China
| | - Xiaoyang Jin
- Key Laboratory of Infection and Immunity, Institute of Biophysics, Chinese Academy of Sciences, Beijing 100101, China
- University of Chinese Academy of Sciences, Beijing 100080, China
| | - Jingyun Li
- Key Laboratory of Infection and Immunity, Institute of Biophysics, Chinese Academy of Sciences, Beijing 100101, China
| | - Hao Guo
- Key Laboratory of Infection and Immunity, Institute of Biophysics, Chinese Academy of Sciences, Beijing 100101, China
| | - Quanxing Shi
- Department of Cardiology, 306th Hospital of Chinese People's Liberation Army, Beijing 100101, China; and
| | - Zhao Yin
- Department of Cardiology, 306th Hospital of Chinese People's Liberation Army, Beijing 100101, China; and
| | - Yong Xu
- Chinese People's Liberation Army General Hospital, Beijing 100853, China
| | - Xuefei Wang
- Chinese People's Liberation Army General Hospital, Beijing 100853, China
| | - Rong Liu
- Chinese People's Liberation Army General Hospital, Beijing 100853, China
| | - Shouli Wang
- Department of Cardiology, 306th Hospital of Chinese People's Liberation Army, Beijing 100101, China; and
| | - Liguo Zhang
- Key Laboratory of Infection and Immunity, Institute of Biophysics, Chinese Academy of Sciences, Beijing 100101, China;
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