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Karakoese Z, Ingola M, Sitek B, Dittmer U, Sutter K. IFNα Subtypes in HIV Infection and Immunity. Viruses 2024; 16:364. [PMID: 38543729 PMCID: PMC10975235 DOI: 10.3390/v16030364] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2024] [Revised: 02/23/2024] [Accepted: 02/24/2024] [Indexed: 05/23/2024] Open
Abstract
Type I interferons (IFN), immediately triggered following most viral infections, play a pivotal role in direct antiviral immunity and act as a bridge between innate and adaptive immune responses. However, numerous viruses have evolved evasion strategies against IFN responses, prompting the exploration of therapeutic alternatives for viral infections. Within the type I IFN family, 12 IFNα subtypes exist, all binding to the same receptor but displaying significant variations in their biological activities. Currently, clinical treatments for chronic virus infections predominantly rely on a single IFNα subtype (IFNα2a/b). However, the efficacy of this therapeutic treatment is relatively limited, particularly in the context of Human Immunodeficiency Virus (HIV) infection. Recent investigations have delved into alternative IFNα subtypes, identifying certain subtypes as highly potent, and their antiviral and immunomodulatory properties have been extensively characterized. This review consolidates recent findings on the roles of individual IFNα subtypes during HIV and Simian Immunodeficiency Virus (SIV) infections. It encompasses their induction in the context of HIV/SIV infection, their antiretroviral activity, and the diverse regulation of the immune response against HIV by distinct IFNα subtypes. These insights may pave the way for innovative strategies in HIV cure or functional cure studies.
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Affiliation(s)
- Zehra Karakoese
- Institute for Virology, University Hospital Essen, University of Duisburg-Essen, 45147 Essen, Germany; (Z.K.); (U.D.)
- Institute for the Research on HIV and AIDS-Associated Diseases, University Hospital Essen, University of Duisburg-Essen, 45147 Essen, Germany
| | - Martha Ingola
- Medical Proteome Center, Ruhr University Bochum, 44801 Bochum, Germany; (M.I.); (B.S.)
| | - Barbara Sitek
- Medical Proteome Center, Ruhr University Bochum, 44801 Bochum, Germany; (M.I.); (B.S.)
- Department of Anesthesia, Intensive Care Medicine and Pain Therapy, University Hospital Knappschaftskrankenhaus Bochum, 44892 Bochum, Germany
| | - Ulf Dittmer
- Institute for Virology, University Hospital Essen, University of Duisburg-Essen, 45147 Essen, Germany; (Z.K.); (U.D.)
- Institute for the Research on HIV and AIDS-Associated Diseases, University Hospital Essen, University of Duisburg-Essen, 45147 Essen, Germany
| | - Kathrin Sutter
- Institute for Virology, University Hospital Essen, University of Duisburg-Essen, 45147 Essen, Germany; (Z.K.); (U.D.)
- Institute for the Research on HIV and AIDS-Associated Diseases, University Hospital Essen, University of Duisburg-Essen, 45147 Essen, Germany
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2
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Moreau TRJ, Bondet V, Rodero MP, Duffy D. Heterogeneity and functions of the 13 IFN-α subtypes - lucky for some? Eur J Immunol 2023; 53:e2250307. [PMID: 37367434 DOI: 10.1002/eji.202250307] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2023] [Revised: 05/24/2023] [Accepted: 05/24/2023] [Indexed: 06/28/2023]
Abstract
Type I IFNs are critical for host responses to viral infection and are also implicated in the pathogenesis of multiple autoimmune diseases. Multiple subtypes exist within the type I IFN family, in particular 13 distinct IFN-α genes, which signal through the same heterodimer receptor that is ubiquitously expressed by mammalian cells. Both evolutionary genetic studies and functional antiviral assays strongly suggest differential functions and activity between the 13 IFN-α subtypes, yet we still lack a clear understanding of these different roles. This review summarizes the evidence from studies describing differential functions of IFN-α subtypes and highlights potential reasons for discrepancies between the reports. We examine both acute and chronic viral infection, as well as autoimmunity, and integrate a more recent awareness of the importance of anti-IFN-α autoantibodies in shaping the type I IFN responses in these different conditions.
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Affiliation(s)
- Thomas R J Moreau
- Université Paris Cité, CNRS, Laboratoire de Chimie et de Biochimie Pharmacologiques et Toxicologiques, Paris, France
- Translational Immunology Unit, Institut Pasteur, Université Paris Cité, Paris, France
| | - Vincent Bondet
- Translational Immunology Unit, Institut Pasteur, Université Paris Cité, Paris, France
| | - Mathieu P Rodero
- Université Paris Cité, CNRS, Laboratoire de Chimie et de Biochimie Pharmacologiques et Toxicologiques, Paris, France
| | - Darragh Duffy
- Translational Immunology Unit, Institut Pasteur, Université Paris Cité, Paris, France
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3
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Haslund MM, Sørensen JK, Graff Stensballe L. Genetics and measles, mumps and rubella vaccine response in childhood and adolescence-A systematic review. Scand J Immunol 2023; 97:e13266. [PMID: 38157324 DOI: 10.1111/sji.13266] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2022] [Revised: 02/20/2023] [Accepted: 03/14/2023] [Indexed: 04/03/2023]
Abstract
Measles, mumps and rubella (MMR) are contagious infectious diseases that can be prevented by immunization. However, MMR infections can occur in previously immunized individuals. The vaccine response is, among other factors, influenced by the combined effects of many genes. This systematic review investigates the genetic influence on measles, mumps and rubella antibody responses after childhood vaccination. In accordance with the Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA), systematic literature searches were conducted in the medical databases PubMed, EMBASE and PsycINFO. Search strings were adjusted for each database. Citations were included if they measured and compared the immune response with immunogenetics after vaccination with a vaccine containing one or more of the following components: measles, mumps and/or rubella, MMR. The measure of vaccine response studied was antibodies after vaccination. Forty-eight articles were included in the final analysis. The results suggest that genetic determinants, including host genes, and single nucleotide polymorphisms in immune-related genes influence the MMR antibody responses after vaccination. Specifically, replicated associations were found between HLA, CD46, RARB, IRF9, EIF2AK2, cytokine genes and MMR vaccine-induced humoral immune responses. This knowledge can be useful in understanding and predicting immune responses and may have implications for future vaccine strategies.
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Affiliation(s)
- Marie Mykløy Haslund
- The Child and Adolescent Clinic, The Juliane Marie Center, The Danish National University Hospital "Rigshospitalet", 9-Blegdamsvej, DK-2100, Copenhagen East, Denmark
| | - Jesper Kiehn Sørensen
- The Child and Adolescent Clinic, The Juliane Marie Center, The Danish National University Hospital "Rigshospitalet", 9-Blegdamsvej, DK-2100, Copenhagen East, Denmark
| | - Lone Graff Stensballe
- The Child and Adolescent Clinic, The Juliane Marie Center, The Danish National University Hospital "Rigshospitalet", 9-Blegdamsvej, DK-2100, Copenhagen East, Denmark
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4
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Wang Y, Huang G, Hou Q, Pan H, Cai L. Cell surface-nanoengineering for cancer targeting immunoregulation and precise immunotherapy. WILEY INTERDISCIPLINARY REVIEWS. NANOMEDICINE AND NANOBIOTECHNOLOGY 2022:e1875. [PMID: 36567668 DOI: 10.1002/wnan.1875] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/29/2022] [Revised: 11/28/2022] [Accepted: 12/01/2022] [Indexed: 12/27/2022]
Abstract
Living cells have become ideal therapeutic agents for cancer treatment owing to their innate activities, such as efficient tumor targeting and delivery, easy engineering, immunomodulatory properties, and fewer adverse effects. However, cell agents are often fragile to rigorous tumor microenvironment (TME) and limited by inadequate therapeutic responses, leading to unwanted treatment efficacy. Cell nanomodification, particularly the cell surface-nanoengineering has emerged as reliable and efficient strategy that not only combines cell activity properties with nanomaterials but also endows them with extra novel functions, enabling to achieve remarkable treatment results. In this review, we systematically introduce two major strategies have been adopted to develop cell surface engineering with nanomaterials, mainly including living cell nano-backpacks and cell membrane-mimicking nanoparticles (NPs). Based on various functional NPs and cell types, we focus on reviewing the cell-surface nanoengineering for targeted drug delivery, immune microenvironment regulation, and precisely antitumor therapy. The advances and challenges of cell surface-nanoengineered antitumor agents for cancer therapy applications are further discussed in future clinical practice. This review provides an overview of the advances in cell surface-engineering for targeting immunoregulation and treatment and could contribute to the future of advanced cell-based antitumor therapeutic applications. This article is categorized under: Therapeutic Approaches and Drug Discovery > Nanomedicine for Oncologic Disease Therapeutic Approaches and Drug Discovery > Emerging Technologies Nanotechnology Approaches to Biology > Cells at the Nanoscale.
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Affiliation(s)
- Yuhan Wang
- Guangdong Key Laboratory of Nanomedicine, CAS-HK Joint Lab of Biomaterials, Shenzhen Institute of Advanced Technology (SIAT), Chinese Academy of Sciences (CAS), Shenzhen, China.,Department of Urology, Shenzhen University General Hospital, Shenzhen University, Shenzhen, China
| | - Guojun Huang
- Guangdong Key Laboratory of Nanomedicine, CAS-HK Joint Lab of Biomaterials, Shenzhen Institute of Advanced Technology (SIAT), Chinese Academy of Sciences (CAS), Shenzhen, China.,University of Chinese Academy of Sciences, Beijing, China
| | - Qi Hou
- Department of Urology, Shenzhen University General Hospital, Shenzhen University, Shenzhen, China
| | - Hong Pan
- Guangdong Key Laboratory of Nanomedicine, CAS-HK Joint Lab of Biomaterials, Shenzhen Institute of Advanced Technology (SIAT), Chinese Academy of Sciences (CAS), Shenzhen, China.,University of Chinese Academy of Sciences, Beijing, China
| | - Lintao Cai
- Guangdong Key Laboratory of Nanomedicine, CAS-HK Joint Lab of Biomaterials, Shenzhen Institute of Advanced Technology (SIAT), Chinese Academy of Sciences (CAS), Shenzhen, China.,University of Chinese Academy of Sciences, Beijing, China
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5
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Barnes SA, Audsley KM, Newnes HV, Fernandez S, de Jong E, Waithman J, Foley B. Type I interferon subtypes differentially activate the anti-leukaemic function of natural killer cells. Front Immunol 2022; 13:1050718. [PMID: 36505400 PMCID: PMC9731670 DOI: 10.3389/fimmu.2022.1050718] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2022] [Accepted: 11/04/2022] [Indexed: 11/25/2022] Open
Abstract
Natural killer (NK) cells have an intrinsic ability to detect and eliminate leukaemic cells. Cellular therapies using cytokine-activated NK cells have emerged as promising treatments for patients with advanced leukaemia. However, not all patients respond to current NK cell therapies, and thus improvements in efficacy are required. Type I interferons (IFN-I) are a family of potent immunomodulatory cytokines with a known ability to modulate NK cell responses against cancer. Although the human IFN-I family comprises 16 distinct subtypes, only IFNα2 has been widely explored as an anti-cancer agent. Here, we investigated the individual immunomodulatory effects each IFNα subtype and IFNβ had on NK cell functionality to determine whether a particular subtype confers enhanced effector activity against leukaemia. Importantly, IFNα14 and IFNβ were identified as superior activators of NK cell effector function in vitro. To test the ability of these subtypes to enhance NK cell activity in vivo, IFN-I stimulation was overlaid onto a standard ex vivo expansion protocol to generate NK cells for adoptive cell therapy. Interestingly, infusion of NK cells pre-activated with IFNα14, but not IFNβ, significantly prolonged survival in a preclinical model of leukaemia compared to NK cells expanded without IFN-I. Collectively, these results highlight the diverse immunomodulatory potencies of individual IFN-I subtypes and support further investigation into the use of IFNα14 to favourably modulate NK cells against leukaemia.
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Affiliation(s)
- Samantha A. Barnes
- Telethon Kids Institute, The University of Western Australia, Nedlands, WA, Australia,School of Biomedical Sciences, The University of Western Australia, Crawley, WA, Australia
| | - Katherine M. Audsley
- Telethon Kids Institute, The University of Western Australia, Nedlands, WA, Australia,School of Biomedical Sciences, The University of Western Australia, Crawley, WA, Australia
| | - Hannah V. Newnes
- Telethon Kids Institute, The University of Western Australia, Nedlands, WA, Australia,School of Biomedical Sciences, The University of Western Australia, Crawley, WA, Australia
| | - Sonia Fernandez
- School of Biomedical Sciences, The University of Western Australia, Crawley, WA, Australia
| | - Emma de Jong
- Telethon Kids Institute, The University of Western Australia, Nedlands, WA, Australia
| | - Jason Waithman
- Telethon Kids Institute, The University of Western Australia, Nedlands, WA, Australia,School of Biomedical Sciences, The University of Western Australia, Crawley, WA, Australia
| | - Bree Foley
- Telethon Kids Institute, The University of Western Australia, Nedlands, WA, Australia,*Correspondence: Bree Foley,
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6
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Pujantell M, Altfeld M. Consequences of sex differences in Type I IFN responses for the regulation of antiviral immunity. Front Immunol 2022; 13:986840. [PMID: 36189206 PMCID: PMC9522975 DOI: 10.3389/fimmu.2022.986840] [Citation(s) in RCA: 15] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2022] [Accepted: 08/24/2022] [Indexed: 12/02/2022] Open
Abstract
The immune system protects us from pathogens, such as viruses. Antiviral immune mechanisms aim to limit viral replication, and must maintain immunological homeostasis to avoid excessive inflammation and damage to the host. Sex differences in the manifestation and progression of immune-mediated disease point to sex-specific factors modulating antiviral immunity. The exact mechanisms regulating these immunological differences between females and males are still insufficiently understood. Females are known to display stronger Type I IFN responses and are less susceptible to viral infections compared to males, indicating that Type I IFN responses might contribute to the sexual dimorphisms observed in antiviral responses. Here, we review the impact of sex hormones and X chromosome-encoded genes on differences in Type I IFN responses between females and males; and discuss the consequences of sex differences in Type I IFN responses for the regulation of antiviral immune responses.
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Propper DJ, Balkwill FR. Harnessing cytokines and chemokines for cancer therapy. Nat Rev Clin Oncol 2022; 19:237-253. [PMID: 34997230 DOI: 10.1038/s41571-021-00588-9] [Citation(s) in RCA: 304] [Impact Index Per Article: 152.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 12/06/2021] [Indexed: 12/14/2022]
Abstract
During the past 40 years, cytokines and cytokine receptors have been extensively investigated as either cancer targets or cancer treatments. A strong preclinical rationale supports therapeutic strategies to enhance the growth inhibitory and immunostimulatory effects of interferons and interleukins, including IL-2, IL-7, IL-12 and IL-15, or to inhibit the inflammatory and tumour-promoting actions of cytokines such as TNF, IL-1β and IL-6. This rationale is underscored by the discovery of altered and dysregulated cytokine expression in all human cancers. These findings prompted clinical trials of several cytokines or cytokine antagonists, revealing relevant biological activity but limited therapeutic efficacy. However, most trials involved patients with advanced-stage disease, which might not be the optimal setting for cytokine-based therapy. The advent of more effective immunotherapies and an increased understanding of the tumour microenvironment have presented new approaches to harnessing cytokine networks in the treatment of cancer, which include using cytokine-based therapies to enhance the activity or alleviate the immune-related toxicities of other treatments as well as to target early stage cancers. Many challenges remain, especially concerning delivery methods, context dependencies, and the pleiotropic, redundant and often conflicting actions of many cytokines. Herein, we discuss the lessons learnt from the initial trials of single-agent cytokine-based therapies and subsequent efforts to better exploit such agents for the treatment of solid tumours.
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Affiliation(s)
- David J Propper
- Centre for the Tumour Microenvironment, Barts Cancer Institute, Queen Mary University of London, London, UK
| | - Frances R Balkwill
- Centre for the Tumour Microenvironment, Barts Cancer Institute, Queen Mary University of London, London, UK.
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Hu Y, Pan Q, Zhou K, Ling Y, Wang H, Li Y. RUNX1 inhibits the antiviral immune response against influenza A virus through attenuating type I interferon signaling. Virol J 2022; 19:39. [PMID: 35248104 PMCID: PMC8897766 DOI: 10.1186/s12985-022-01764-8] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/13/2021] [Accepted: 02/14/2022] [Indexed: 11/10/2022] Open
Abstract
Background Influenza A viruses (IAVs) are zoonotic, segmented negative-stranded RNA viruses. The rapid mutation of IAVs results in host immune response escape and antiviral drug and vaccine resistance. RUNX1 is a transcription factor that not only plays essential roles in hematopoiesis, but also functions as a regulator in inflammation. However, its role in the innate immunity to IAV infection has not been well studied. Methods To investigate the effects of RUNX1 on IAV infection and explore the mechanisms that RUNX1 uses during IAV infection. We infected the human alveolar epithelial cell line (A549) with influenza virus A/Puerto Rico/8/34 (H1N1) (PR8) and examined RUNX1 expression by Western blot and qRT-PCR. We also knocked down or overexpressed RUNX1 in A549 cells, then evaluated viral replication by Western blot, qRT-PCR, and viral titration. Results We found RUNX1 expression is induced by IAV H1N1 PR8 infection, but not by poly(I:C) treatment, in the human alveolar epithelial cell line A549. Knockdown of RUNX1 significantly inhibited IAV infection. Conversely, overexpression of RUNX1 efficiently promoted production of progeny viruses. Additionally, RUNX1 knockdown increased IFN-β and ISGs production while RUNX1 overexpression compromised IFN-β and ISGs production upon PR8 infection in A549 cells. We further showed that RUNX1 may attenuate the interferon signaling transduction by hampering the expression of IRF3 and STAT1 during IAV infection. Conclusions Taken together, we found RUNX1 attenuates type I interferon signaling to facilitate IAV infection in A549 cells.
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Fu X, De Angelis C, Schiff R. Interferon Signaling in Estrogen Receptor-positive Breast Cancer: A Revitalized Topic. Endocrinology 2022; 163:6429717. [PMID: 34791151 DOI: 10.1210/endocr/bqab235] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/03/2021] [Indexed: 12/25/2022]
Abstract
Cancer immunology is the most rapidly expanding field in cancer research, with the importance of immunity in cancer pathogenesis now well accepted including in the endocrine-related cancers. The immune system plays an essential role in the development of ductal and luminal epithelial differentiation in the mammary gland. Originally identified as evolutionarily conserved antipathogen cytokines, interferons (IFNs) have shown important immune-modulatory and antineoplastic properties when administered to patients with various types of cancer, including breast cancer. Recent studies have drawn attention to the role of tumor- and stromal-infiltrating lymphocytes in dictating therapy response and outcome of breast cancer patients, which, however, is highly dependent on the breast cancer subtype. The emerging role of tumor cell-inherent IFN signaling in the subtype-defined tumor microenvironment could influence therapy response with protumor activities in breast cancer. Here we review evidence with new insights into tumor cell-intrinsic and tumor microenvironment-derived IFN signaling, and the crosstalk of IFN signaling with key signaling pathways in estrogen receptor-positive (ER+) breast cancer. We also discuss clinical implications and opportunities exploiting IFN signaling to treat advanced ER+ breast cancer.
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Affiliation(s)
- Xiaoyong Fu
- Lester and Sue Smith Breast Center, Baylor College of Medicine, Houston, Texas 77030, USA
- Dan L Duncan Comprehensive Cancer Center, Baylor College of Medicine, Houston, Texas 77030, USA
- Department of Molecular and Cellular Biology, Baylor College of Medicine, Houston, Texas 77030, USA
| | - Carmine De Angelis
- Department of Clinical Medicine and Surgery, University of Naples Federico II, 80138 Naples, Italy
| | - Rachel Schiff
- Lester and Sue Smith Breast Center, Baylor College of Medicine, Houston, Texas 77030, USA
- Dan L Duncan Comprehensive Cancer Center, Baylor College of Medicine, Houston, Texas 77030, USA
- Department of Molecular and Cellular Biology, Baylor College of Medicine, Houston, Texas 77030, USA
- Department of Medicine, Baylor College of Medicine, Houston, Texas 77030, USA
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10
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Jami R, Mérour E, Lamoureux A, Bernard J, Millet JK, Biacchesi S. Deciphering the Fine-Tuning of the Retinoic Acid-Inducible Gene-I Pathway in Teleost Fish and Beyond. Front Immunol 2021; 12:679242. [PMID: 33995423 PMCID: PMC8113963 DOI: 10.3389/fimmu.2021.679242] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2021] [Accepted: 04/07/2021] [Indexed: 11/13/2022] Open
Abstract
Interferons are the first lines of defense against viral pathogen invasion during the early stages of infection. Their synthesis is tightly regulated to prevent excessive immune responses and possible deleterious effects on the host organism itself. The RIG-I-like receptor signaling cascade is one of the major pathways leading to the production of interferons. This pathway amplifies danger signals and mounts an appropriate innate response but also needs to be finely regulated to allow a rapid return to immune homeostasis. Recent advances have characterized different cellular factors involved in the control of the RIG-I pathway. This has been most extensively studied in mammalian species; however, some inconsistencies remain to be resolved. The IFN system is remarkably well conserved in vertebrates and teleost fish possess all functional orthologs of mammalian RIG-I-like receptors as well as most downstream signaling molecules. Orthologs of almost all mammalian regulatory components described to date exist in teleost fish, such as the widely used zebrafish, making fish attractive and powerful models to study in detail the regulation and evolution of the RIG-I pathway.
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Affiliation(s)
- Raphaël Jami
- University Paris-Saclay, INRAE, UVSQ, VIM, Jouy-en-Josas, France
| | - Emilie Mérour
- University Paris-Saclay, INRAE, UVSQ, VIM, Jouy-en-Josas, France
| | - Annie Lamoureux
- University Paris-Saclay, INRAE, UVSQ, VIM, Jouy-en-Josas, France
| | - Julie Bernard
- University Paris-Saclay, INRAE, UVSQ, VIM, Jouy-en-Josas, France
| | - Jean K Millet
- University Paris-Saclay, INRAE, UVSQ, VIM, Jouy-en-Josas, France
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11
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Salman AA, Waheed MH, Ali-Abdulsahib AA, Atwan ZW. Low type I interferon response in COVID-19 patients: Interferon response may be a potential treatment for COVID-19. Biomed Rep 2021; 14:43. [PMID: 33786172 DOI: 10.3892/br.2021.1419] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2020] [Accepted: 02/17/2021] [Indexed: 02/07/2023] Open
Abstract
Interferons (IFN) are antiviral cytokines that mitigate the effects of invading viruses early on during the infection process. SARS-CoV and MERS induce weak IFN responses; hence, the clinical trials which included recombinant IFN accompanied with other antiviral drugs exhibited improved results in terms of shortening the duration of illness. The aim of the present study was to evaluate the type I IFN response in COVID-19 patients to determine whether it is sufficient to eliminate or reduce the severity of the infection, and whether it can be recommended as a potential therapy. Total RNA samples were converted to cDNA and used as templates to evaluate the gene expression levels of IFN regulatory factor (IRF)3 and IFN-β in COVID-19 patients or control. The results showed that IRF3 gene expression was upregulated ~250-fold compared with the negative samples. In contrast, IFN-β expression increased slightly in COVID-19 patients. Consistent with other coronaviruses, such as SARS-CoV and MERS, COVID-19 infection does not induce an efficient IFN response to reduce the severity of the virus. This may be attributed to an incomplete response of IRF3 in activating the IFN-β promoter in the infected patients. The results suggest IFN-β or α may be used as potential treatments.
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Affiliation(s)
| | | | | | - Zeenah Weheed Atwan
- Genetic Engineering Laboratory, Biology Department, College of Science, Basrah University, Basrah, Iraq
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12
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Opdenakker G, Van Damme J. Interferons and other cytokines, genetics and beyond in COVID-19 and autoimmunity. Cytokine Growth Factor Rev 2021; 58:134-140. [PMID: 33563543 PMCID: PMC7845543 DOI: 10.1016/j.cytogfr.2021.01.004] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2020] [Revised: 01/22/2021] [Accepted: 01/24/2021] [Indexed: 12/11/2022]
Abstract
Interferons are the best antiviral agents in vitro against SARS-CoV-2 so far and genetic defects in their signaling cascade or neutralization of alfa-interferons by autoantibodies come with more severe COVID-19. However, there is more, as the SARS-CoV-2 dysregulates not only innate immune mechanisms but also T and B cell repertoires. Most genetic, hematological and immunological studies in COVID-19 are at present phenomenological. However, these and antecedent studies contain the seed grains to resolve many unanswered questions and a whole range of testable hypotheses. What are the links, if existing, between genetics and the occurrence of interferon-neutralizing antibodies? Are NAGGED (neutralizing and generated by gene defect) antibodies involved or not? Is the autoimmune process cause or consequence of virus infection? What are the roles played by cytokine posttranslational modifications, such as proteolysis, glycosylation, citrullination and others? How is systemic autoimmunity linked with type 1 interferons? These questions place cytokines and growth factors at pole positions as keys to unlock basic mechanisms of infection and (auto)immunity. Related to cytokine research, (1) COVID-19 patients develop neutralizing autoantibodies, mainly against alpha interferons and it is not yet established whether this is the consequence or cause of virus replication. (2) The glycosylation of recombinant interferon-beta protects against breaking tolerance and the development of neutralizing antibodies. (3) SARS-CoV-2 induces severe inflammation and release of extracellular proteases leading to remnant epitopes, e.g. of cytokines. (4) In the rare event of homozygous cytokine gene segment deletions, observed neutralizing antibodies may be named NAGGED antibodies. (5) Severe cytolysis releases intracellular content into the extracellular milieu and leads to regulated degradation of intracellular proteins and selection of antibody repertoires, similar to those observed in patients with systemic lupus erythematosus. (6) Systematic studies of novel autoimmune diseases on single cytokines will complement the present picture about interferons. (7) Interferon neutralization in COVID-19 constitutes a preamble of more studies about cytokine-regulated proteolysis in the control of autoimmunity. Here we reformulate these seven conjectures into testable questions for future research.
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Affiliation(s)
- Ghislain Opdenakker
- Laboratory of Immunobiology and Laboratory of Molecular Immunology, Department of Microbiology, Immunology and Transplantation, Rega Institute for Medical Research, University of Leuven, KU Leuven, Belgium.
| | - Jo Van Damme
- Laboratory of Immunobiology and Laboratory of Molecular Immunology, Department of Microbiology, Immunology and Transplantation, Rega Institute for Medical Research, University of Leuven, KU Leuven, Belgium
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Wittling MC, Cahalan SR, Levenson EA, Rabin RL. Shared and Unique Features of Human Interferon-Beta and Interferon-Alpha Subtypes. Front Immunol 2021; 11:605673. [PMID: 33542718 PMCID: PMC7850986 DOI: 10.3389/fimmu.2020.605673] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/12/2020] [Accepted: 11/18/2020] [Indexed: 12/14/2022] Open
Abstract
Type I interferons (IFN-I) were first discovered as an antiviral factor by Isaacs and Lindenmann in 1957, but they are now known to also modulate innate and adaptive immunity and suppress proliferation of cancer cells. While much has been revealed about IFN-I, it remains a mystery as to why there are 16 different IFN-I gene products, including IFNβ, IFNω, and 12 subtypes of IFNα. Here, we discuss shared and unique aspects of these IFN-I in the context of their evolution, expression patterns, and signaling through their shared heterodimeric receptor. We propose that rather than investigating responses to individual IFN-I, these contexts can serve as an alternative approach toward investigating roles for IFNα subtypes. Finally, we review uses of IFNα and IFNβ as therapeutic agents to suppress chronic viral infections or to treat multiple sclerosis.
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Affiliation(s)
- Megen C Wittling
- Division of Bacterial, Parasitic, and Allergenic Products, Office of Vaccines Research and Review, Center for Biologics Evaluation and Research, US Food and Drug Administration, Silver Spring, MD, United States
| | - Shannon R Cahalan
- Division of Bacterial, Parasitic, and Allergenic Products, Office of Vaccines Research and Review, Center for Biologics Evaluation and Research, US Food and Drug Administration, Silver Spring, MD, United States
| | - Eric A Levenson
- Division of Bacterial, Parasitic, and Allergenic Products, Office of Vaccines Research and Review, Center for Biologics Evaluation and Research, US Food and Drug Administration, Silver Spring, MD, United States
| | - Ronald L Rabin
- Division of Bacterial, Parasitic, and Allergenic Products, Office of Vaccines Research and Review, Center for Biologics Evaluation and Research, US Food and Drug Administration, Silver Spring, MD, United States
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14
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Liu CC, Lu IC, Wang LK, Chen JY, Li YY, Yang CP, Liu PH, Cheng WJ, Tan PH. Interferon-β suppresses inflammatory pain through activating µ-opioid receptor. Mol Pain 2021; 17:17448069211045211. [PMID: 34517736 PMCID: PMC8642049 DOI: 10.1177/17448069211045211] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2021] [Revised: 08/02/2021] [Accepted: 08/23/2021] [Indexed: 11/16/2022] Open
Abstract
Interferons (IFNs) are cytokines secreted by infected cells that can interfere with viral replication. Besides activating antiviral defenses, type I IFNs also exhibit diverse biological functions. IFN-β has been shown to have a protective effect against neurotoxic and inflammatory insults on neurons. Therefore, we aimed to investigate the possible role of IFN-β in reducing mechanical allodynia caused by Complete Freund's Adjuvant (CFA) injection in rats. We assessed the antinociceptive effect of intrathecal IFN-β in naïve rats and the rats with CFA-induced inflammatory pain. After the behavioral test, the spinal cords of the rats were harvested for western blot and immunohistochemical double staining. We found that intrathecal administration of IFN-β in naïve rats can significantly increase the paw withdrawal threshold and paw withdrawal latency. Further, the intrathecal injection of a neutralizing IFN-β antibody can reduce the paw withdrawal threshold and paw withdrawal latency, suggesting that IFN-β is produced in the spinal cord in normal conditions and serves as a tonic inhibitor of pain. In addition, intrathecal injection of IFN-β at dosages from 1000 U to 10000 U demonstrates a significant transient dose-dependent inhibition of CFA-induced inflammatory pain. This analgesic effect is reversed by intrathecal naloxone, suggesting that IFN-β produces an analgesic effect through central opioid receptor-mediated signaling. Increased expression of phospho-µ-opioid receptors after IFN-β injection was observed on western blot, and immunohistochemical staining showed that µ-opioids co-localized with IFN-α/βR in the dorsal horn of the spinal cord. The findings of this study demonstrate that the analgesic effect of IFN-β is through µ-opioid receptors activation in spial cord.
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Affiliation(s)
- Chien Cheng Liu
- Department of Anesthesiology, E-Da Hospital/I-Shou University, Kaohsiung City, Taiwan
| | - I Cheng Lu
- Department of Anesthesiology, College of Medicine, Kaohsiung Medical University, Kaohsiung City, Taiwan
| | - Li Kai Wang
- Southern Taiwan University of Science and Technology, Tainan City, Taiwan
- Department of Anesthesiology, Chi Mei Medical Center, Tainan City, Taiwan
| | - Jen Yin Chen
- Department of Anesthesiology, Chi Mei Medical Center, Tainan City, Taiwan
| | - Yu Yu Li
- Department of Anesthesiology, Chi Mei Medical Center, Tainan City, Taiwan
| | - Chih Ping Yang
- Department of Anesthesiology, Chi Mei Medical Center, Tainan City, Taiwan
| | - Ping Hsin Liu
- Department of Anesthesiology, E-Da Hospital/I-Shou University, Kaohsiung City, Taiwan
| | - Wan Jung Cheng
- Department of Anesthesiology, Chi Mei Medical Center, Tainan City, Taiwan
| | - Ping Heng Tan
- Department of Anesthesiology, Chi Mei Medical Center, Tainan City, Taiwan
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15
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Irving AT, Zhang Q, Kong PS, Luko K, Rozario P, Wen M, Zhu F, Zhou P, Ng JHJ, Sobota RM, Wang LF. Interferon Regulatory Factors IRF1 and IRF7 Directly Regulate Gene Expression in Bats in Response to Viral Infection. Cell Rep 2020; 33:108345. [PMID: 33147460 PMCID: PMC8755441 DOI: 10.1016/j.celrep.2020.108345] [Citation(s) in RCA: 29] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2019] [Revised: 08/23/2020] [Accepted: 10/13/2020] [Indexed: 12/15/2022] Open
Abstract
Bat cells and tissue have elevated basal expression levels of antiviral genes commonly associated with interferon alpha (IFNα) signaling. Here, we show Interferon Regulatory Factor 1 (IRF1), 3, and 7 levels are elevated in most bat tissues and that, basally, IRFs contribute to the expression of type I IFN ligands and high expression of interferon regulated genes (IRGs). CRISPR knockout (KO) of IRF 1/3/7 in cells reveals distinct subsets of genes affected by each IRF in an IFN-ligand signaling-dependent and largely independent manner. As the master regulators of innate immunity, the IRFs control the kinetics and maintenance of the IRG response and play essential roles in response to influenza A virus (IAV), herpes simplex virus 1 (HSV-1), Melaka virus/Pteropine orthoreovirus 3 Melaka (PRV3M), and Middle East respiratory syndrome-related coronavirus (MERS-CoV) infection. With its differential expression in bats compared to that in humans, this highlights a critical role for basal IRF expression in viral responses and potentially immune cell development in bats with relevance for IRF function in human biology.
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Affiliation(s)
- Aaron T Irving
- Programme in Emerging Infectious Diseases, Duke-NUS Medical School, Singapore, Singapore; Zhejiang University-University of Edinburgh Institute, Zhejiang University School of Medicine, Zhejiang University International Campus, Haining, China; Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China.
| | - Qian Zhang
- Programme in Emerging Infectious Diseases, Duke-NUS Medical School, Singapore, Singapore; University of Chinese Academy of Sciences, Beijing, China; Key Laboratory of Special Pathogens, Wuhan Institute of Virology, Chinese Academy of Sciences, Wuhan, China
| | - Pui-San Kong
- Programme in Emerging Infectious Diseases, Duke-NUS Medical School, Singapore, Singapore
| | - Katarina Luko
- Programme in Emerging Infectious Diseases, Duke-NUS Medical School, Singapore, Singapore
| | - Pritisha Rozario
- Programme in Emerging Infectious Diseases, Duke-NUS Medical School, Singapore, Singapore
| | - Ming Wen
- Programme in Emerging Infectious Diseases, Duke-NUS Medical School, Singapore, Singapore
| | - Feng Zhu
- Programme in Emerging Infectious Diseases, Duke-NUS Medical School, Singapore, Singapore
| | - Peng Zhou
- Programme in Emerging Infectious Diseases, Duke-NUS Medical School, Singapore, Singapore; Key Laboratory of Special Pathogens, Wuhan Institute of Virology, Chinese Academy of Sciences, Wuhan, China
| | - Justin H J Ng
- Programme in Emerging Infectious Diseases, Duke-NUS Medical School, Singapore, Singapore
| | - Radoslaw M Sobota
- Functional Proteomics Laboratory, Institute of Molecular and Cell Biology (A(∗)STAR), Singapore, Singapore; Institute of Medical Biology (IMB), Agency for Science, Technology and Research (A(∗)STAR), Singapore, Singapore
| | - Lin-Fa Wang
- Programme in Emerging Infectious Diseases, Duke-NUS Medical School, Singapore, Singapore.
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16
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D’Anna SE, Maniscalco M, Carriero V, Gnemmi I, Caramori G, Nucera F, Righi L, Brun P, Balbi B, Adcock IM, Stella MG, Ricciardolo FL, Di Stefano A. Evaluation of Innate Immune Mediators Related to Respiratory Viruses in the Lung of Stable COPD Patients. J Clin Med 2020; 9:jcm9061807. [PMID: 32531971 PMCID: PMC7356645 DOI: 10.3390/jcm9061807] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2020] [Revised: 06/03/2020] [Accepted: 06/08/2020] [Indexed: 12/15/2022] Open
Abstract
Background: Little is known about the innate immune response to viral infections in stable Chronic Obstructive Pulmonary Disease (COPD). Objectives: To evaluate the innate immune mediators related to respiratory viruses in the bronchial biopsies and lung parenchyma of stable COPD patients. Methods: We evaluated the immunohistochemical (IHC) expression of Toll-like receptors 3-7-8-9 (TLR-3-7-8-9), TIR domain-containing adaptor inducing IFNβ (TRIF), Interferon regulatory factor 3 (IRF3), Phospho interferon regulatory factor 3 (pIRF3), Interferon regulatory factor 7 (IRF7), Phospho interferon regulatory factor 7 (pIRF7), retinoic acid-inducible gene I (RIG1), melanoma differentiation-associated protein 5 (MDA5), Probable ATP-dependent RNA helicase DHX58 (LGP2), Mitochondrial antiviral-signaling protein (MAVS), Stimulator of interferon genes (STING), DNA-dependent activator of IFN regulatory factors (DAI), forkhead box protein A3(FOXA3), Interferon alfa (IFNα), and Interferon beta (IFNβ) in the bronchial mucosa of patients with mild/moderate (n = 16), severe/very severe (n = 1618) stable COPD, control smokers (CS) (n = 1612), and control non-smokers (CNS) (n = 1612). We performed similar IHC analyses in peripheral lung from COPD (n = 1612) and CS (n = 1612). IFNα and IFNβ were assessed in bronchoalveolar lavage (BAL) supernatant from CNS (n = 168), CS (n = 169) and mild/moderate COPD (n = 1612). Viral load, including adenovirus-B, -C, Bocavirus, Respiratory syncytial Virus (RSV), Human Rhinovirus (HRV), Coronavirus, Influenza virus A (FLU-A), Influenza virus B (FLU-B), and Parainfluenzae-1 were measured in bronchial rings and lung parenchyma of COPD patients and the related control group (CS). Results: Among the viral-related innate immune mediators, RIG1, LGP2, MAVS, STING, and DAI resulted well expressed in the bronchial and lung tissues of COPD patients, although not in a significantly different mode from control groups. Compared to CS, COPD patients showed no significant differences of viral load in bronchial rings and lung parenchyma. Conclusions: Some virus-related molecules are well-expressed in the lung tissue and bronchi of stable COPD patients independently of the disease severity, suggesting a “primed” tissue environment capable of sensing the potential viral infections occurring in these patients.
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Affiliation(s)
- Silvestro E. D’Anna
- Istituti Clinici Scientifici Maugeri, IRCCS, Divisione di Pneumologia Telese, Via Bagni Vecchi 1, 82037 Benevento, Italy;
| | - Mauro Maniscalco
- Istituti Clinici Scientifici Maugeri, IRCCS, Divisione di Pneumologia Telese, Via Bagni Vecchi 1, 82037 Benevento, Italy;
- Correspondence: ; Tel.: +39-0824-909357
| | - Vitina Carriero
- Dipartimento di Scienze Cliniche e Biologiche, AOU San Luigi Gonzaga, Orbassano (Torino), Università di Torino, Regione Gonzole 10, 10043 Torino, Italy; (V.C.); (F.L.M.R.)
| | - Isabella Gnemmi
- Divisione di Pneumologia e Laboratorio di Citoimmunopatologia dell’Apparato Cardio Respiratorio, Istituti Clinici Scientifici Maugeri SpA, Società Benefit, IRCCS, Veruno, Via Revislate 13, 28010 Novara, Italy; (I.G.); (B.B.); (A.D.S.)
| | - Gaetano Caramori
- Pneumologia, Dipartimento di Scienze Biomediche, Odontoiatriche e delle Immagini Morfologiche e Funzionali (BIOMORF), Università degli Studi di Messina, Piazza Pugliatti 1, 98122 Messina, Italy; (G.C.); (F.N.)
| | - Francesco Nucera
- Pneumologia, Dipartimento di Scienze Biomediche, Odontoiatriche e delle Immagini Morfologiche e Funzionali (BIOMORF), Università degli Studi di Messina, Piazza Pugliatti 1, 98122 Messina, Italy; (G.C.); (F.N.)
| | - Luisella Righi
- Dipartimento di Oncologia, SCDU, Anatomia Patologica, AOU, San Luigi, Orbassano, Università di Torino, Regione Gonzole 10, 10043 Torino, Italy;
| | - Paola Brun
- Dipartimento di Medicina Molecolare, Sezione di Istologia, Università di Padova, Via Ugo Bassi 58b, 35121 Padova, Italy;
| | - Bruno Balbi
- Divisione di Pneumologia e Laboratorio di Citoimmunopatologia dell’Apparato Cardio Respiratorio, Istituti Clinici Scientifici Maugeri SpA, Società Benefit, IRCCS, Veruno, Via Revislate 13, 28010 Novara, Italy; (I.G.); (B.B.); (A.D.S.)
| | - Ian M Adcock
- Airways Disease Section, National Heart and Lung Institute, Imperial College London, Dovehouse St, London SW3 6LY, UK;
| | - Maria Grazia Stella
- Unità Operativa di Medicina, Ospedale G. Giglio Cefalù, Contrada Pietrapollastra, Via Pisciotto, 90015 Palermo, Italy;
| | - Fabio L.M. Ricciardolo
- Dipartimento di Scienze Cliniche e Biologiche, AOU San Luigi Gonzaga, Orbassano (Torino), Università di Torino, Regione Gonzole 10, 10043 Torino, Italy; (V.C.); (F.L.M.R.)
| | - Antonino Di Stefano
- Divisione di Pneumologia e Laboratorio di Citoimmunopatologia dell’Apparato Cardio Respiratorio, Istituti Clinici Scientifici Maugeri SpA, Società Benefit, IRCCS, Veruno, Via Revislate 13, 28010 Novara, Italy; (I.G.); (B.B.); (A.D.S.)
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17
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Marineau A, Khan KA, Servant MJ. Roles of GSK-3 and β-Catenin in Antiviral Innate Immune Sensing of Nucleic Acids. Cells 2020; 9:cells9040897. [PMID: 32272583 PMCID: PMC7226782 DOI: 10.3390/cells9040897] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2020] [Revised: 04/03/2020] [Accepted: 04/05/2020] [Indexed: 12/23/2022] Open
Abstract
The rapid activation of the type I interferon (IFN) antiviral innate immune response relies on ubiquitously expressed RNA and DNA sensors. Once engaged, these nucleotide-sensing receptors use distinct signaling modules for the rapid and robust activation of mitogen-activated protein kinases (MAPKs), the IκB kinase (IKK) complex, and the IKK-related kinases IKKε and TANK-binding kinase 1 (TBK1), leading to the subsequent activation of the activator protein 1 (AP1), nuclear factor-kappa B (NF-κB), and IFN regulatory factor 3 (IRF3) transcription factors, respectively. They, in turn, induce immunomodulatory genes, allowing for a rapid antiviral cellular response. Unlike the MAPKs, the IKK complex and the IKK-related kinases, ubiquitously expressed glycogen synthase kinase 3 (GSK-3) α and β isoforms are active in unstimulated resting cells and are involved in the constitutive turnover of β-catenin, a transcriptional coactivator involved in cell proliferation, differentiation, and lineage commitment. Interestingly, studies have demonstrated the regulatory roles of both GSK-3 and β-catenin in type I IFN antiviral innate immune response, particularly affecting the activation of IRF3. In this review, we summarize current knowledge on the mechanisms by which GSK-3 and β-catenin control the antiviral innate immune response to RNA and DNA virus infections.
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Affiliation(s)
- Alexandre Marineau
- Faculty of Pharmacy, Université de Montréal, Montréal, QC H3C3J7, Canada;
| | - Kashif Aziz Khan
- Department of Biology, York University, Toronto, ON M3J1P3, Canada;
| | - Marc J. Servant
- Faculty of Pharmacy, Université de Montréal, Montréal, QC H3C3J7, Canada;
- Réseau Québécois de Recherche sur les Médicaments (RQRM), Montréal, QC H3T1C5, Canada
- Correspondence: ; Tel.: +1-514-343-7966
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18
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Bartholomeus E, De Neuter N, Suls A, Elias G, van der Heijden S, Keersmaekers N, Jansens H, Van Tendeloo V, Beutels P, Laukens K, Ogunjimi B, Mortier G, Meysman P, Van Damme P. Transcriptomic profiling of different responder types in adults after a Priorix® vaccination. Vaccine 2020; 38:3218-3226. [PMID: 32165045 DOI: 10.1016/j.vaccine.2020.03.004] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/14/2019] [Revised: 02/24/2020] [Accepted: 03/01/2020] [Indexed: 12/12/2022]
Abstract
Thanks to the recommendation of a combined Measles/Mumps/Rubella (MMR) vaccine, like Priorix®, these childhood diseases are less common now. This is beneficial to limit the spread of these diseases and work towards their elimination. However, the measles, mumps and rubella antibody titers show a large variability in short- and long-term immunity. The recent outbreaks worldwide of measles and mumps and previous studies, which mostly focused on only one of the three virus responses, illustrate that there is a clear need for better understanding the immune responses after vaccination. Our healthy cohort was already primed with the MMR antigens in their childhood. In this study, the adult volunteers received one Priorix® vaccine dose at day 0. First, we defined 4 different groups of responders, based on their antibody titers' evolution over 4 time points (Day 0, 21, 150 and 365). This showed a high variability within and between individuals. Second, we determined transcriptome profiles using 3'mRNA sequencing at day 0, 3 and 7. Using two analytical approaches, "one response group per time point" and "a time comparison per response group", we correlated the short-term gene expression profiles to the different response groups. In general, the list of differentially expressed genes is limited, however, most of them are clearly immune-related and upregulated at day 3 and 7, compared to the baseline day 0. Depending on the specific response group there are overlapping signatures for two of the three viruses. Antibody titers and transcriptomics data showed that an additional Priorix vaccination does not facilitate an equal immune response against the 3 viruses or among different vaccine recipients.
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Affiliation(s)
- Esther Bartholomeus
- Department of Medical Genetics, University of Antwerp/Antwerp University Hospital, Edegem, Belgium; AUDACIS, Antwerp Unit for Data Analysis and Computation in Immunology and Sequencing, University of Antwerp, Antwerp, Belgium.
| | - Nicolas De Neuter
- AUDACIS, Antwerp Unit for Data Analysis and Computation in Immunology and Sequencing, University of Antwerp, Antwerp, Belgium; Adrem Data Lab, Department of Mathematics and Computer Science, University of Antwerp, Antwerp, Belgium; Biomedical Informatics Research Network Antwerp (biomina), University of Antwerp, Antwerp, Belgium
| | - Arvid Suls
- Department of Medical Genetics, University of Antwerp/Antwerp University Hospital, Edegem, Belgium; AUDACIS, Antwerp Unit for Data Analysis and Computation in Immunology and Sequencing, University of Antwerp, Antwerp, Belgium
| | - George Elias
- AUDACIS, Antwerp Unit for Data Analysis and Computation in Immunology and Sequencing, University of Antwerp, Antwerp, Belgium; Laboratory of Experimental Hematology (LEH), Vaccine & Infectious Disease Institute (VAXINFECTIO), University of Antwerp, Antwerp, Belgium
| | - Sanne van der Heijden
- Laboratory of Experimental Hematology (LEH), Vaccine & Infectious Disease Institute (VAXINFECTIO), University of Antwerp, Antwerp, Belgium
| | - Nina Keersmaekers
- AUDACIS, Antwerp Unit for Data Analysis and Computation in Immunology and Sequencing, University of Antwerp, Antwerp, Belgium; Centre for Health Economics Research & Modeling Infectious Diseases (CHERMID), Vaccine & Infectious Disease Institute (VAXINFECTIO), University of Antwerp, Antwerp, Belgium
| | - Hilde Jansens
- Department of Laboratory Medicine, Antwerp University Hospital, Edegem, Belgium
| | - Viggo Van Tendeloo
- AUDACIS, Antwerp Unit for Data Analysis and Computation in Immunology and Sequencing, University of Antwerp, Antwerp, Belgium; Laboratory of Experimental Hematology (LEH), Vaccine & Infectious Disease Institute (VAXINFECTIO), University of Antwerp, Antwerp, Belgium
| | - Philippe Beutels
- AUDACIS, Antwerp Unit for Data Analysis and Computation in Immunology and Sequencing, University of Antwerp, Antwerp, Belgium; Centre for Health Economics Research & Modeling Infectious Diseases (CHERMID), Vaccine & Infectious Disease Institute (VAXINFECTIO), University of Antwerp, Antwerp, Belgium
| | - Kris Laukens
- AUDACIS, Antwerp Unit for Data Analysis and Computation in Immunology and Sequencing, University of Antwerp, Antwerp, Belgium; Adrem Data Lab, Department of Mathematics and Computer Science, University of Antwerp, Antwerp, Belgium; Biomedical Informatics Research Network Antwerp (biomina), University of Antwerp, Antwerp, Belgium
| | - Benson Ogunjimi
- AUDACIS, Antwerp Unit for Data Analysis and Computation in Immunology and Sequencing, University of Antwerp, Antwerp, Belgium; Laboratory of Experimental Hematology (LEH), Vaccine & Infectious Disease Institute (VAXINFECTIO), University of Antwerp, Antwerp, Belgium; Centre for Health Economics Research & Modeling Infectious Diseases (CHERMID), Vaccine & Infectious Disease Institute (VAXINFECTIO), University of Antwerp, Antwerp, Belgium; Department of Paediatrics, Antwerp University Hospital, Edegem, Belgium.
| | - Geert Mortier
- Department of Medical Genetics, University of Antwerp/Antwerp University Hospital, Edegem, Belgium; AUDACIS, Antwerp Unit for Data Analysis and Computation in Immunology and Sequencing, University of Antwerp, Antwerp, Belgium
| | - Pieter Meysman
- AUDACIS, Antwerp Unit for Data Analysis and Computation in Immunology and Sequencing, University of Antwerp, Antwerp, Belgium; Adrem Data Lab, Department of Mathematics and Computer Science, University of Antwerp, Antwerp, Belgium; Biomedical Informatics Research Network Antwerp (biomina), University of Antwerp, Antwerp, Belgium
| | - Pierre Van Damme
- AUDACIS, Antwerp Unit for Data Analysis and Computation in Immunology and Sequencing, University of Antwerp, Antwerp, Belgium; Centre for the Evaluation of Vaccination (CEV), Vaccine & Infectious Disease Institute (VAXINFECTIO), University of Antwerp, Antwerp, Belgium
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19
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Ramos I, Smith G, Ruf-Zamojski F, Martínez-Romero C, Fribourg M, Carbajal EA, Hartmann BM, Nair VD, Marjanovic N, Monteagudo PL, DeJesus VA, Mutetwa T, Zamojski M, Tan GS, Jayaprakash C, Zaslavsky E, Albrecht RA, Sealfon SC, García-Sastre A, Fernandez-Sesma A. Innate Immune Response to Influenza Virus at Single-Cell Resolution in Human Epithelial Cells Revealed Paracrine Induction of Interferon Lambda 1. J Virol 2019; 93:e00559-19. [PMID: 31375585 PMCID: PMC6798124 DOI: 10.1128/jvi.00559-19] [Citation(s) in RCA: 52] [Impact Index Per Article: 10.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/03/2019] [Accepted: 07/07/2019] [Indexed: 12/14/2022] Open
Abstract
Early interactions of influenza A virus (IAV) with respiratory epithelium might determine the outcome of infection. The study of global cellular innate immune responses often masks multiple aspects of the mechanisms by which populations of cells work as organized and heterogeneous systems to defeat virus infection, and how the virus counteracts these systems. In this study, we experimentally dissected the dynamics of IAV and human epithelial respiratory cell interaction during early infection at the single-cell level. We found that the number of viruses infecting a cell (multiplicity of infection [MOI]) influences the magnitude of virus antagonism of the host innate antiviral response. Infections performed at high MOIs resulted in increased viral gene expression per cell and stronger antagonist effect than infections at low MOIs. In addition, single-cell patterns of expression of interferons (IFN) and IFN-stimulated genes (ISGs) provided important insights into the contributions of the infected and bystander cells to the innate immune responses during infection. Specifically, the expression of multiple ISGs was lower in infected than in bystander cells. In contrast with other IFNs, IFN lambda 1 (IFNL1) showed a widespread pattern of expression, suggesting a different cell-to-cell propagation mechanism more reliant on paracrine signaling. Finally, we measured the dynamics of the antiviral response in primary human epithelial cells, which highlighted the importance of early innate immune responses at inhibiting virus spread.IMPORTANCE Influenza A virus (IAV) is a respiratory pathogen of high importance to public health. Annual epidemics of seasonal IAV infections in humans are a significant public health and economic burden. IAV also causes sporadic pandemics, which can have devastating effects. The main target cells for IAV replication are epithelial cells in the respiratory epithelium. The cellular innate immune responses induced in these cells upon infection are critical for defense against the virus, and therefore, it is important to understand the complex interactions between the virus and the host cells. In this study, we investigated the innate immune response to IAV in the respiratory epithelium at the single-cell level, providing a better understanding on how a population of epithelial cells functions as a complex system to orchestrate the response to virus infection and how the virus counteracts this system.
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Affiliation(s)
- Irene Ramos
- Department of Microbiology, Icahn School of Medicine at Mount Sinai, New York, New York, USA
| | - Gregory Smith
- Department of Neurology, Center for Advanced Research on Diagnostic Assays, Icahn School of Medicine at Mount Sinai, New York, New York, USA
| | - Frederique Ruf-Zamojski
- Department of Neurology, Center for Advanced Research on Diagnostic Assays, Icahn School of Medicine at Mount Sinai, New York, New York, USA
| | - Carles Martínez-Romero
- Department of Microbiology, Icahn School of Medicine at Mount Sinai, New York, New York, USA
- Global Health and Emerging Pathogens Institute, Icahn School of Medicine at Mount Sinai, New York, New York, USA
| | - Miguel Fribourg
- Department of Neurology, Center for Advanced Research on Diagnostic Assays, Icahn School of Medicine at Mount Sinai, New York, New York, USA
| | - Edwin A Carbajal
- Department of Microbiology, Icahn School of Medicine at Mount Sinai, New York, New York, USA
- The Graduate School of Biomedical Sciences, Icahn School of Medicine at Mount Sinai, New York, New York, USA
| | - Boris M Hartmann
- Department of Neurology, Center for Advanced Research on Diagnostic Assays, Icahn School of Medicine at Mount Sinai, New York, New York, USA
| | - Venugopalan D Nair
- Department of Neurology, Center for Advanced Research on Diagnostic Assays, Icahn School of Medicine at Mount Sinai, New York, New York, USA
| | - Nada Marjanovic
- Department of Neurology, Center for Advanced Research on Diagnostic Assays, Icahn School of Medicine at Mount Sinai, New York, New York, USA
| | - Paula L Monteagudo
- Department of Microbiology, Icahn School of Medicine at Mount Sinai, New York, New York, USA
| | - Veronica A DeJesus
- Department of Microbiology, Icahn School of Medicine at Mount Sinai, New York, New York, USA
| | - Tinaye Mutetwa
- Department of Microbiology, Icahn School of Medicine at Mount Sinai, New York, New York, USA
- The Graduate School of Biomedical Sciences, Icahn School of Medicine at Mount Sinai, New York, New York, USA
| | - Michel Zamojski
- Department of Neurology, Center for Advanced Research on Diagnostic Assays, Icahn School of Medicine at Mount Sinai, New York, New York, USA
| | - Gene S Tan
- Infectious Diseases, J. Craig Venter Institute, La Jolla, California, USA
- Department of Medicine, University of California San Diego, La Jolla, California, USA
| | | | - Elena Zaslavsky
- Department of Neurology, Center for Advanced Research on Diagnostic Assays, Icahn School of Medicine at Mount Sinai, New York, New York, USA
| | - Randy A Albrecht
- Department of Microbiology, Icahn School of Medicine at Mount Sinai, New York, New York, USA
- The Graduate School of Biomedical Sciences, Icahn School of Medicine at Mount Sinai, New York, New York, USA
| | - Stuart C Sealfon
- Department of Neurology, Center for Advanced Research on Diagnostic Assays, Icahn School of Medicine at Mount Sinai, New York, New York, USA
| | - Adolfo García-Sastre
- Department of Microbiology, Icahn School of Medicine at Mount Sinai, New York, New York, USA
- Department of Medicine, Icahn School of Medicine at Mount Sinai, New York, New York, USA
- Global Health and Emerging Pathogens Institute, Icahn School of Medicine at Mount Sinai, New York, New York, USA
| | - Ana Fernandez-Sesma
- Department of Microbiology, Icahn School of Medicine at Mount Sinai, New York, New York, USA
- The Graduate School of Biomedical Sciences, Icahn School of Medicine at Mount Sinai, New York, New York, USA
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20
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Provance OK, Lewis-Wambi J. Deciphering the role of interferon alpha signaling and microenvironment crosstalk in inflammatory breast cancer. Breast Cancer Res 2019; 21:59. [PMID: 31060575 PMCID: PMC6501286 DOI: 10.1186/s13058-019-1140-1] [Citation(s) in RCA: 38] [Impact Index Per Article: 7.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023] Open
Abstract
Inflammatory breast cancer (IBC) is the most rare and aggressive subtype of breast cancer characterized by clusters of tumor cells invading lymph vessels, high rates of metastasis, and resistance to systemic chemotherapy. While significant progress has been made in understanding IBC, survival among IBC patients is still only one half that among patients with non-IBC. A major limitation to the development of more specific and effective treatments for IBC is a lack of identifiable molecular alterations that are specific to IBC. Emerging evidence suggests that the aggressive nature of IBC is not specific to IBC cells but instead driven by the interplay between autonomous signaling and context-dependent cytokine networks from the surrounding tumor microenvironment. Recently, the type I interferon, specifically the interferon alpha signature, has been identified as a pathway upregulated in IBC but few studies have addressed its role. Activation of the interferon alpha signaling pathway has been shown to contribute to apoptosis and cellular senescence but is also attributed to increased migration and drug resistance depending on the interferon-stimulated genes transcribed. The mechanisms promoting the increase in interferon alpha expression and the role interferon alpha plays in IBC remain speculative. Current hypotheses suggest that immune and stromal cells in the local tumor microenvironment contribute to the interferon alpha signaling cascade within the tumor cell and that this activation may further alter the immune and stromal cells within the microenvironment. This review serves as an overview of the role of interferon alpha signaling in IBC. Ideally, future experiments should investigate the mechanistic interplay of interferons in IBC to develop more efficacious treatment strategies for IBC patients.
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Affiliation(s)
- Olivia K Provance
- Department of Cancer Biology, University of Kansas Medical Center, 3901 Rainbow Boulevard, Wahl Hall East 1031, Kansas City, KS, 66160, USA
| | - Joan Lewis-Wambi
- Department of Cancer Biology, University of Kansas Medical Center, 3901 Rainbow Boulevard, Wahl Hall East 1031, Kansas City, KS, 66160, USA. .,The University of Kansas Cancer Center, 3901 Rainbow Boulevard, Kansas City, KS, 66160, USA.
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21
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Sharma N, O'Neal AJ, Gonzalez C, Wittling M, Gjinaj E, Parsons LM, Panda D, Khalenkov A, Scott D, Misra S, Rabin RL. S27 of IFNα1 Contributes to Its Low Affinity for IFNAR2 and Weak Antiviral Activity. J Interferon Cytokine Res 2019; 39:283-292. [PMID: 30920934 DOI: 10.1089/jir.2018.0135] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Abstract
Type I interferons (IFNs) signal by forming a high affinity IFN-IFNAR2 dimer, which subsequently recruits IFNAR1 to form a ternary complex that initiates JAK/STAT signaling. Among the 12 IFNα subtypes, IFNα1 has a uniquely low affinity for IFNAR2 (<100 × of the other IFNα subtypes) and commensurately weak antiviral activity, suggesting an undefined function distinct from suppression of viral infections. Also unique in IFNα1 is substitution of a serine for phenylalanine at position 27, a contact point that stabilizes the IFNα:IFNAR2 hydrophobic interface. To determine whether IFNα1-S27 contributes to the low affinity for IFNAR2, we created an IFNα1 mutein, IFNα1-S27F, and compared it to wild-type IFNα1 and IFNα2. Substitution of phenylalanine for serine increased affinity for IFNAR2 ∼4-fold and commensurately enhanced activation of STAT1, STAT3, and STAT5, transcription of a subset of interferon stimulated genes, and restriction of vesicular stomatitis virus infection in vitro. Structural modeling suggests that S27 of IFNα1 disrupts the IFNα:IFNAR2 hydrophobic interface that is otherwise stabilized by F27 and that replacing S27 with phenylalanine partially restores the hydrophobic surface. Disruption of the hydrophobic IFNα:IFNAR2 interface by the unique S27 of IFN α1 contributes to its low affinity and weak antiviral activity.
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Affiliation(s)
- Nikunj Sharma
- 1 Office of Vaccines Research and Review, Center for Biologics Evaluation and Research, U.S. Food and Drug Administration, Silver Spring, Maryland
| | - Anya J O'Neal
- 1 Office of Vaccines Research and Review, Center for Biologics Evaluation and Research, U.S. Food and Drug Administration, Silver Spring, Maryland
| | - Christian Gonzalez
- 1 Office of Vaccines Research and Review, Center for Biologics Evaluation and Research, U.S. Food and Drug Administration, Silver Spring, Maryland
| | - Megen Wittling
- 1 Office of Vaccines Research and Review, Center for Biologics Evaluation and Research, U.S. Food and Drug Administration, Silver Spring, Maryland
| | - Erisa Gjinaj
- 1 Office of Vaccines Research and Review, Center for Biologics Evaluation and Research, U.S. Food and Drug Administration, Silver Spring, Maryland
| | - Lisa M Parsons
- 1 Office of Vaccines Research and Review, Center for Biologics Evaluation and Research, U.S. Food and Drug Administration, Silver Spring, Maryland
| | - Debasis Panda
- 1 Office of Vaccines Research and Review, Center for Biologics Evaluation and Research, U.S. Food and Drug Administration, Silver Spring, Maryland
| | - Alexey Khalenkov
- 2 Office of Tissues and Advanced Therapies, Center for Biologics Evaluation and Research, U.S. Food and Drug Administration, Silver Spring, Maryland
| | - Dorothy Scott
- 2 Office of Tissues and Advanced Therapies, Center for Biologics Evaluation and Research, U.S. Food and Drug Administration, Silver Spring, Maryland
| | - Saurav Misra
- 3 Department of Biochemistry and Molecular Biophysics, Kansas State University, Manhattan, Kansas
| | - Ronald L Rabin
- 1 Office of Vaccines Research and Review, Center for Biologics Evaluation and Research, U.S. Food and Drug Administration, Silver Spring, Maryland
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22
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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. DEVELOPMENTAL AND COMPARATIVE IMMUNOLOGY 2018; 89:14-22. [PMID: 30077552 DOI: 10.1016/j.dci.2018.07.027] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [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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23
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Kawano Y, Zavidij O, Park J, Moschetta M, Kokubun K, Mouhieddine TH, Manier S, Mishima Y, Murakami N, Bustoros M, Pistofidis RS, Reidy M, Shen YJ, Rahmat M, Lukyanchykov P, Karreci ES, Tsukamoto S, Shi J, Takagi S, Huynh D, Sacco A, Tai YT, Chesi M, Bergsagel PL, Roccaro AM, Azzi J, Ghobrial IM. Blocking IFNAR1 inhibits multiple myeloma-driven Treg expansion and immunosuppression. J Clin Invest 2018; 128:2487-2499. [PMID: 29558366 DOI: 10.1172/jci88169] [Citation(s) in RCA: 66] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2016] [Accepted: 03/13/2018] [Indexed: 01/12/2023] Open
Abstract
Despite significant advances in the treatment of multiple myeloma (MM), most patients succumb to disease progression. One of the major immunosuppressive mechanisms that is believed to play a role in myeloma progression is the expansion of regulatory T cells (Tregs). In this study, we demonstrate that myeloma cells drive Treg expansion and activation by secreting type 1 interferon (IFN). Blocking IFN α and β receptor 1 (IFNAR1) on Tregs significantly decreases both myeloma-associated Treg immunosuppressive function and myeloma progression. Using syngeneic transplantable murine myeloma models and bone marrow (BM) aspirates of MM patients, we found that Tregs were expanded and activated in the BM microenvironment at early stages of myeloma development. Selective depletion of Tregs led to a complete remission and prolonged survival in mice injected with myeloma cells. Further analysis of the interaction between myeloma cells and Tregs using gene sequencing and enrichment analysis uncovered a feedback loop, wherein myeloma-cell-secreted type 1 IFN induced proliferation and expansion of Tregs. By using IFNAR1-blocking antibody treatment and IFNAR1-knockout Tregs, we demonstrated a significant decrease in myeloma-associated Treg proliferation, which was associated with longer survival of myeloma-injected mice. Our results thus suggest that blocking type 1 IFN signaling represents a potential strategy to target immunosuppressive Treg function in MM.
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Affiliation(s)
- Yawara Kawano
- Department of Medical Oncology, Dana-Farber Cancer Institute, Harvard Medical School, Boston, Massachusetts, USA.,Department of Hematology, Kumamoto University Hospital, Kumamoto, Japan
| | - Oksana Zavidij
- Department of Medical Oncology, Dana-Farber Cancer Institute, Harvard Medical School, Boston, Massachusetts, USA
| | - Jihye Park
- Department of Medical Oncology, Dana-Farber Cancer Institute, Harvard Medical School, Boston, Massachusetts, USA
| | - Michele Moschetta
- Department of Medical Oncology, Dana-Farber Cancer Institute, Harvard Medical School, Boston, Massachusetts, USA
| | - Katsutoshi Kokubun
- Department of Medical Oncology, Dana-Farber Cancer Institute, Harvard Medical School, Boston, Massachusetts, USA
| | - Tarek H Mouhieddine
- Department of Medical Oncology, Dana-Farber Cancer Institute, Harvard Medical School, Boston, Massachusetts, USA
| | - Salomon Manier
- Department of Medical Oncology, Dana-Farber Cancer Institute, Harvard Medical School, Boston, Massachusetts, USA
| | - Yuji Mishima
- Department of Medical Oncology, Dana-Farber Cancer Institute, Harvard Medical School, Boston, Massachusetts, USA
| | - Naoka Murakami
- Transplantation Research Center, Renal Division, Brigham and Women's Hospital, and
| | - Mark Bustoros
- Department of Medical Oncology, Dana-Farber Cancer Institute, Harvard Medical School, Boston, Massachusetts, USA
| | | | - Mairead Reidy
- Department of Medical Oncology, Dana-Farber Cancer Institute, Harvard Medical School, Boston, Massachusetts, USA
| | - Yu J Shen
- Department of Medical Oncology, Dana-Farber Cancer Institute, Harvard Medical School, Boston, Massachusetts, USA
| | - Mahshid Rahmat
- Department of Medical Oncology, Dana-Farber Cancer Institute, Harvard Medical School, Boston, Massachusetts, USA
| | - Pavlo Lukyanchykov
- Transplantation Research Center, Renal Division, Brigham and Women's Hospital, and
| | - Esilida Sula Karreci
- Transplantation Research Center, Renal Division, Brigham and Women's Hospital, and
| | - Shokichi Tsukamoto
- Department of Medical Oncology, Dana-Farber Cancer Institute, Harvard Medical School, Boston, Massachusetts, USA
| | - Jiantao Shi
- Department of Biostatistics and Computational Biology, Dana-Farber Cancer Institute, Harvard Medical School, Boston, Massachusetts, USA
| | - Satoshi Takagi
- Department of Medical Oncology, Dana-Farber Cancer Institute, Harvard Medical School, Boston, Massachusetts, USA
| | - Daisy Huynh
- Department of Medical Oncology, Dana-Farber Cancer Institute, Harvard Medical School, Boston, Massachusetts, USA
| | - Antonio Sacco
- Department of Medical Oncology, Dana-Farber Cancer Institute, Harvard Medical School, Boston, Massachusetts, USA.,Clinical Research Development and Phase I Unit, CREA Laboratory, ASST Spedali Civili di Brescia, Brescia, BS, Italy
| | - Yu-Tzu Tai
- Department of Medical Oncology, Dana-Farber Cancer Institute, Harvard Medical School, Boston, Massachusetts, USA
| | - Marta Chesi
- Comprehensive Cancer Center, Mayo Clinic, Scottsdale, Arizona, USA
| | - P Leif Bergsagel
- Comprehensive Cancer Center, Mayo Clinic, Scottsdale, Arizona, USA
| | - Aldo M Roccaro
- Department of Medical Oncology, Dana-Farber Cancer Institute, Harvard Medical School, Boston, Massachusetts, USA.,Clinical Research Development and Phase I Unit, CREA Laboratory, ASST Spedali Civili di Brescia, Brescia, BS, Italy
| | - Jamil Azzi
- Transplantation Research Center, Renal Division, Brigham and Women's Hospital, and
| | - Irene M Ghobrial
- Department of Medical Oncology, Dana-Farber Cancer Institute, Harvard Medical School, Boston, Massachusetts, USA
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24
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Fear VS, Poh WP, Gorman S, Waithman JC, Fear MW. IFNβ inhibits the development of allergen tolerance and is conducive to the development of asthma on subsequent allergen exposure. Immunol Cell Biol 2018; 96:841-851. [PMID: 29611236 DOI: 10.1111/imcb.12050] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/26/2017] [Revised: 03/26/2018] [Accepted: 03/27/2018] [Indexed: 11/28/2022]
Abstract
Asthma is a chronic disease affecting up to 10% of the Australian population for which medical treatment is solely aimed at relief of symptoms rather than prevention of disease. Evidence from animal and human studies demonstrates a strong link between viral respiratory infections, atopy and the development of asthma. Type I IFNs include IFNα and IFNβ, with subtype expression tailored toward the specific viral infection. We hypothesized that exposure to type I IFNs and allergen may interfere with the healthy response to innocuous airway antigen exposure. In this study, we use an ovalbumin (OVA)-induced BALB/c model of experimental allergic airways disease, where pre-exposure of the airways to OVA is protective against allergen sensitization, leading to allergen tolerance. We investigated airways pre-exposure with OVA and type I IFNs on development of allergic airways disease. We demonstrate restoration of allergic airways disease on pre-exposure with allergen and IFNβ, and not IFNα. Dysfunction in tolerance led to changes in dendritic cell antigen capture/traffic, T-cell and B-cell responses. Furthermore, exposure to IFNβ with ongoing allergen exposure led to the development of hallmark asthma features, including OVA-specific IgE and airways eosinophilia. Data indicate a role for IFNβ in linking viral infection and allergy.
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Affiliation(s)
- Vanessa S Fear
- Tumour Immunology Group, School of Biomedical Sciences, University of Western Australia, Perth, WA, Australia
| | - Wee Peng Poh
- Inflammation Group, Telethon Kids Institute, School of Paediatrics and Child Health Research, University of Western Australia, Perth, WA, Australia
| | - Shelley Gorman
- Inflammation Group, Telethon Kids Institute, School of Paediatrics and Child Health Research, University of Western Australia, Perth, WA, Australia
| | - Jason C Waithman
- Inflammation Group, Telethon Kids Institute, School of Paediatrics and Child Health Research, University of Western Australia, Perth, WA, Australia
| | - Mark W Fear
- Burn Injury Research Unit, School of Surgery, University of Western Australia, Perth, WA, Australia
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25
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Sarkis S, Lise MC, Darcissac E, Dabo S, Falk M, Chaulet L, Neuveut C, Meurs EF, Lavergne A, Lacoste V. Development of molecular and cellular tools to decipher the type I IFN pathway of the common vampire bat. DEVELOPMENTAL AND COMPARATIVE IMMUNOLOGY 2018; 81:1-7. [PMID: 29122634 DOI: 10.1016/j.dci.2017.10.023] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/14/2017] [Revised: 10/31/2017] [Accepted: 10/31/2017] [Indexed: 06/07/2023]
Abstract
Though the common vampire bat, Desmodus rotundus, is known as the main rabies virus reservoir in Latin America, no tools are available to investigate its antiviral innate immune system. To characterize the IFN-I pathway, we established an immortalized cell line from a D. rotundus fetal lung named FLuDero. Then we molecularly characterized some of the Toll-like receptors (TLR3, 7, 8 and 9), the three RIG-I-like receptor members, as well as IFNα1 and IFNβ. Challenging the FLuDero cell line with poly (I:C) resulted in an up-regulation of both IFNα1 and IFNβ and the induction of expression of the different pattern recognition receptors characterized. These findings provide evidence of the intact dsRNA recognition machinery and the IFN-I signaling pathway in our cellular model. Herein, we generated a sum of insightful specific molecular and cellular tools that will serve as a useful model to study virus-host interactions of the common vampire bat.
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Affiliation(s)
- Sarkis Sarkis
- Laboratoire des Interactions Virus-Hôtes, Institut Pasteur de La Guyane, Cayenne, French Guiana.
| | - Marie-Claude Lise
- Laboratoire des Interactions Virus-Hôtes, Institut Pasteur de La Guyane, Cayenne, French Guiana
| | - Edith Darcissac
- Laboratoire des Interactions Virus-Hôtes, Institut Pasteur de La Guyane, Cayenne, French Guiana
| | - Stéphanie Dabo
- Hepacivirus and Innate Immunity, Institut Pasteur, 75015 Paris, France
| | - Marcel Falk
- Laboratoire des Interactions Virus-Hôtes, Institut Pasteur de La Guyane, Cayenne, French Guiana
| | - Laura Chaulet
- Laboratoire des Interactions Virus-Hôtes, Institut Pasteur de La Guyane, Cayenne, French Guiana
| | - Christine Neuveut
- Hepacivirus and Innate Immunity, Institut Pasteur, 75015 Paris, France
| | - Eliane F Meurs
- Hepacivirus and Innate Immunity, Institut Pasteur, 75015 Paris, France
| | - Anne Lavergne
- Laboratoire des Interactions Virus-Hôtes, Institut Pasteur de La Guyane, Cayenne, French Guiana
| | - Vincent Lacoste
- Laboratoire des Interactions Virus-Hôtes, Institut Pasteur de La Guyane, Cayenne, French Guiana.
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26
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George J, Mattapallil JJ. Interferon-α Subtypes As an Adjunct Therapeutic Approach for Human Immunodeficiency Virus Functional Cure. Front Immunol 2018. [PMID: 29520278 PMCID: PMC5827157 DOI: 10.3389/fimmu.2018.00299] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023] Open
Abstract
Human immunodeficiency virus (HIV) establishes life-long latency in infected individuals. Although highly active antiretroviral therapy (HAART) has had a significant impact on the course of HIV infection leading to a better long-term outcome, the pool of latent reservoir remains substantial even under HAART. Numerous approaches have been under development with the goal of eradicating the latent HIV reservoir though with limited success. Approaches that combine immune-mediated control of HIV to activate both the innate and the adaptive immune system under suppressive therapy along with “shock and kill” drugs may lead to a better control of the reactivated virus. Interferon-α (IFN-α) is an innate cytokine that has been shown to activate intracellular defenses capable of restricting and controlling HIV. IFN-α, however, harbors numerous functional subtypes that have been reported to display different binding affinities and potency. Recent studies have suggested that certain subtypes such as IFN-α8 and IFN-α14 have potent anti-HIV activity with little or no immune activation, whereas other subtypes such as IFN-α4, IFN-α5, and IFN-α14 activate NK cells. Could these subtypes be used in combination with other strategies to reduce the latent viral reservoir? Here, we review the role of IFN-α subtypes in HIV infection and discuss the possibility that certain subtypes could be potential adjuncts to a “shock and kill” or therapeutic vaccination strategy leading to better control of the latent reservoir and subsequent functional cure.
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Affiliation(s)
- Jeffy George
- Uniformed Services University, Bethesda, MD, United States
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27
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Schleicher U, Liese J, Justies N, Mischke T, Haeberlein S, Sebald H, Kalinke U, Weiss S, Bogdan C. Type I Interferon Signaling Is Required for CpG-Oligodesoxynucleotide-Induced Control of Leishmania major, but Not for Spontaneous Cure of Subcutaneous Primary or Secondary L. major Infection. Front Immunol 2018; 9:79. [PMID: 29459858 PMCID: PMC5807663 DOI: 10.3389/fimmu.2018.00079] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2017] [Accepted: 01/11/2018] [Indexed: 01/11/2023] Open
Abstract
We previously showed that in mice infected with Leishmania major type I interferons (IFNs) initiate the innate immune response to the parasite at day 1 and 2 of infection. Here, we investigated which type I IFN subtypes are expressed during the first 8 weeks of L. major infection and whether type I IFNs are essential for a protective immune response and clinical cure of the disease. In self-healing C57BL/6 mice infected with a high dose of L. major, IFN-α4, IFN-α5, IFN-α11, IFN-α13, and IFN-β mRNA were most prominently regulated during the course of infection. In C57BL/6 mice deficient for IFN-β or the IFN-α/β-receptor chain 1 (IFNAR1), development of skin lesions and parasite loads in skin, draining lymph node, and spleen was indistinguishable from wild-type (WT) mice. In line with the clinical findings, C57BL/6 IFN-β−/−, IFNAR1−/−, and WT mice exhibited similar mRNA expression levels of IFN-γ, interleukin (IL)-4, IL-12, IL-13, inducible nitric oxide synthase, and arginase 1 during the acute and late phase of the infection. Also, myeloid dendritic cells from WT and IFNAR1−/− mice produced comparable amounts of IL-12p40/p70 protein upon exposure to L. major in vitro. In non-healing BALB/c WT mice, the mRNAs of IFN-α subtypes (α2, α4, α5, α6, and α9) were rapidly induced after high-dose L. major infection. However, genetic deletion of IFNAR1 or IFN-β did not alter the progressive course of infection seen in WT BALB/c mice. Finally, we tested whether type I IFNs and/or IL-12 are required for the prophylactic effect of CpG-oligodesoxynucleotides (ODN) in BALB/c mice. Local and systemic administration of CpG-ODN 1668 protected WT and IFN-β−/− mice equally well from progressive leishmaniasis. By contrast, the protective effect of CpG-ODN 1668 was lost in BALB/c IFNAR1−/− (despite a sustained suppression of IL-4) and in BALB/c IL-12p35−/− mice. From these data, we conclude that IFN-β and IFNAR1 signaling are dispensable for a curative immune response to L. major in C57BL/6 mice and irrelevant for disease development in BALB/c mice, whereas IL-12 and IFN-α subtypes are essential for the disease prevention by CpG-ODNs in this mouse strain.
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Affiliation(s)
- Ulrike Schleicher
- Mikrobiologisches Institut - Klinische Mikrobiologie, Immunologie und Hygiene, Friedrich-Alexander-Universität (FAU) Erlangen-Nürnberg and Universitätsklinikum Erlangen, Erlangen, Germany.,Medical Immunology Campus Erlangen, FAU Erlangen-Nürnberg, Erlangen, Germany
| | - Jan Liese
- Abteilung Mikrobiologie und Hygiene, Institut für Medizinische Mikrobiologie und Hygiene, Universitätsklinikum Freiburg, Freiburg, Germany
| | - Nicole Justies
- Abteilung Mikrobiologie und Hygiene, Institut für Medizinische Mikrobiologie und Hygiene, Universitätsklinikum Freiburg, Freiburg, Germany
| | - Thomas Mischke
- Mikrobiologisches Institut - Klinische Mikrobiologie, Immunologie und Hygiene, Friedrich-Alexander-Universität (FAU) Erlangen-Nürnberg and Universitätsklinikum Erlangen, Erlangen, Germany
| | - Simone Haeberlein
- Mikrobiologisches Institut - Klinische Mikrobiologie, Immunologie und Hygiene, Friedrich-Alexander-Universität (FAU) Erlangen-Nürnberg and Universitätsklinikum Erlangen, Erlangen, Germany
| | - Heidi Sebald
- Mikrobiologisches Institut - Klinische Mikrobiologie, Immunologie und Hygiene, Friedrich-Alexander-Universität (FAU) Erlangen-Nürnberg and Universitätsklinikum Erlangen, Erlangen, Germany
| | - Ulrich Kalinke
- Institut für Experimentelle Infektionsforschung, TWINCORE, Zentrum für Experimentelle und Klinische Infektionsforschung, eine Gemeinschaftseinrichtung vom Helmholtz Zentrum für Infektionsforschung und der Medizinischen Hochschule Hannover, Hannover, Germany
| | - Siegfried Weiss
- Abteilung für Molekulare Immunologie, Helmholtz Zentrum für Infektionsforschung, Braunschweig, Germany
| | - Christian Bogdan
- Mikrobiologisches Institut - Klinische Mikrobiologie, Immunologie und Hygiene, Friedrich-Alexander-Universität (FAU) Erlangen-Nürnberg and Universitätsklinikum Erlangen, Erlangen, Germany.,Medical Immunology Campus Erlangen, FAU Erlangen-Nürnberg, Erlangen, Germany
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28
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Hillyer P, Mane VP, Chen A, Dos Santos MB, Schramm LM, Shepard RE, Luongo C, Le Nouën C, Huang L, Yan L, Buchholz UJ, Jubin RG, Collins PL, Rabin RL. Respiratory syncytial virus infection induces a subset of types I and III interferons in human dendritic cells. Virology 2017; 504:63-72. [PMID: 28157546 PMCID: PMC5337151 DOI: 10.1016/j.virol.2017.01.017] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2016] [Revised: 01/05/2017] [Accepted: 01/23/2017] [Indexed: 10/20/2022]
Abstract
Whether respiratory syncytial virus (RSV) induces severe infantile pulmonary disease may depend on viral strain and expression of types I and III interferons (IFNs). These IFNs impact disease severity by inducing expression of many anti-viral IFN-stimulated genes (ISGs). To investigate the impact of RSV strain on IFN and ISG expression, we stimulated human monocyte-derived DCs (MDDCs) with either RSV A2 or Line 19 and measured expression of types I and III IFNs and ISGs. At 24h, A2 elicited higher ISG expression than Line 19. Both strains induced MDDCs to express genes for IFN-β, IFN-α1, IFN-α8, and IFN-λ1-3, but only A2 induced IFN-α2, -α14 and -α21. We then show that IFN-α8 and IFN-α14 most potently induced MDDCs and bronchial epithelial cells (BECs) to express ISGs. Our findings demonstrate that RSV strain may impact patterns of types I and III IFN expression and the magnitude of the ISG response by DCs and BECs.
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Affiliation(s)
- Philippa Hillyer
- Laboratory of Immunobiochemistry, Center for Biologics Evaluation and Research, US Food and Drug Administration, Silver Spring, MD, United States
| | - Viraj P Mane
- Laboratory of Immunobiochemistry, Center for Biologics Evaluation and Research, US Food and Drug Administration, Silver Spring, MD, United States
| | - Aaron Chen
- Laboratory of Immunobiochemistry, Center for Biologics Evaluation and Research, US Food and Drug Administration, Silver Spring, MD, United States
| | - Maria B Dos Santos
- Laboratory of Immunobiochemistry, Center for Biologics Evaluation and Research, US Food and Drug Administration, Silver Spring, MD, United States
| | - Lynnsie M Schramm
- Laboratory of Immunobiochemistry, Center for Biologics Evaluation and Research, US Food and Drug Administration, Silver Spring, MD, United States
| | - Rachel E Shepard
- Laboratory of Immunobiochemistry, Center for Biologics Evaluation and Research, US Food and Drug Administration, Silver Spring, MD, United States
| | - Cindy Luongo
- Laboratory of Infectious Diseases, National Institute of Allergy and Infectious Diseases, National Institutes for Health, Bethesda, MD, United States
| | - Cyril Le Nouën
- Laboratory of Infectious Diseases, National Institute of Allergy and Infectious Diseases, National Institutes for Health, Bethesda, MD, United States
| | - Lei Huang
- Office of Biostatistics and Epidemiology, Center for Biologics Evaluation and Research, US Food and Drug Administration, Silver Spring, MD, United States
| | - Lihan Yan
- Office of Biostatistics and Epidemiology, Center for Biologics Evaluation and Research, US Food and Drug Administration, Silver Spring, MD, United States
| | - Ursula J Buchholz
- Laboratory of Infectious Diseases, National Institute of Allergy and Infectious Diseases, National Institutes for Health, Bethesda, MD, United States
| | | | - Peter L Collins
- Laboratory of Infectious Diseases, National Institute of Allergy and Infectious Diseases, National Institutes for Health, Bethesda, MD, United States
| | - Ronald L Rabin
- Laboratory of Immunobiochemistry, Center for Biologics Evaluation and Research, US Food and Drug Administration, Silver Spring, MD, United States.
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The Role of Type III Interferons in Hepatitis C Virus Infection and Therapy. J Immunol Res 2017; 2017:7232361. [PMID: 28255563 PMCID: PMC5309426 DOI: 10.1155/2017/7232361] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/11/2016] [Accepted: 01/09/2017] [Indexed: 02/07/2023] Open
Abstract
The human interferon (IFN) response is a key innate immune mechanism to fight virus infection. IFNs are host-encoded secreted proteins, which induce IFN-stimulated genes (ISGs) with antiviral properties. Among the three classes of IFNs, type III IFNs, also called IFN lambdas (IFNLs), are an essential component of the innate immune response to hepatitis C virus (HCV). In particular, human polymorphisms in IFNL gene loci correlate with hepatitis C disease progression and with treatment response. To date, the underlying mechanisms remain mostly elusive; however it seems clear that viral infection of the liver induces IFNL responses. As IFNL receptors show a more restricted tissue expression than receptors for other classes of IFNs, IFNL treatment has reduced side effects compared to the classical type I IFN treatment. In HCV therapy, however, IFNL will likely not play an important role as highly effective direct acting antivirals (DAA) exist. Here, we will review our current knowledge on IFNL gene expression, protein properties, signaling, ISG induction, and its implications on HCV infection and treatment. Finally, we will discuss the lessons learnt from the HCV and IFNL field for virus infections beyond hepatitis C.
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Impaired Expression of Cytokines as a Result of Viral Infections with an Emphasis on Small Ruminant Lentivirus Infection in Goats. Viruses 2016; 8:v8070186. [PMID: 27399757 PMCID: PMC4974521 DOI: 10.3390/v8070186] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/08/2016] [Revised: 06/11/2016] [Accepted: 06/30/2016] [Indexed: 11/17/2022] Open
Abstract
Knowing about the genes involved in immunity, and being able to identify the factors influencing their expressions, helps in gaining awareness of the immune processes. The qPCR method is a useful gene expression analysis tool, but studies on immune system genes are still limited, especially on the caprine immune system. Caprine arthritis encephalitis, a disease caused by small ruminant lentivirus (SRLV), causes economic losses in goat breeding, and there is no therapy against SRLV. The results of studies on vaccines against other viruses are promising. Moreover, the Marker-Assisted Selection strategy against SRLV is possible, as has been shown in sheep breeding. However, there are still many gaps in our knowledge on the caprine immune response to infection. All types of cytokines play pivotal roles in immunity, and SRLV infection influences the expression of many cytokines in different types of cells. This information encouraged the authors to examine the results of studies conducted on SRLV and other viral infections, with an emphasis on the expression of cytokine genes. This review attempts to summarize the results of studies on the expression of cytokines in the context of the SRLV infection.
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Weil R, Laplantine E, Génin P. Regulation of TBK1 activity by Optineurin contributes to cell cycle-dependent expression of the interferon pathway. Cytokine Growth Factor Rev 2016; 29:23-33. [PMID: 26976762 DOI: 10.1016/j.cytogfr.2016.03.001] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2016] [Accepted: 03/01/2016] [Indexed: 12/21/2022]
Abstract
The innate immune system has evolved to detect and neutralize viral invasions. Triggering of this defense mechanism relies on the production and secretion of soluble factors that stimulate intracellular antiviral defense mechanisms. The Tank Binding Kinase 1 (TBK1) is a serine/threonine kinase in the innate immune signaling pathways including the antiviral response and the host defense against cytosolic infection by bacteries. Given the critical roles of TBK1, important regulatory mechanisms are required to regulate its activity. Among these, Optineurin (Optn) was shown to negatively regulate the interferon response, in addition to its important role in membrane trafficking, protein secretion, autophagy and cell division. As Optn does not carry any enzymatic activity, its functions depend on its precise subcellular localization and its interaction with other proteins, especially with components of the innate immune pathway. This review highlights advances in our understanding of Optn mechanisms of action with focus on the relationships between Optn and TBK1 and their implication in host defense against pathogens. Specifically, how the antiviral immune system is controlled during the cell cycle by the Optn/TBK1 axis and the physiological consequences of this regulatory mechanism are described. This review may serve to a better understanding of the relationships between the different functions of Optn, including those related to immune responses and its associated pathologies such as primary open-angle glaucoma, amyotrophic lateral sclerosis and Paget's disease of bone.
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Affiliation(s)
- Robert Weil
- Institut Pasteur, Signaling and Pathogenesis Laboratory, CNRS UMR 3691, 75724 Paris Cedex 15, France
| | - Emmanuel Laplantine
- Institut Pasteur, Signaling and Pathogenesis Laboratory, CNRS UMR 3691, 75724 Paris Cedex 15, France
| | - Pierre Génin
- Institut Pasteur, Signaling and Pathogenesis Laboratory, CNRS UMR 3691, 75724 Paris Cedex 15, France.
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Champion BR, Fisher K, Seymour L. A PTENtial cause for the selectivity of oncolytic viruses? Nat Immunol 2016; 17:225-6. [PMID: 26882253 DOI: 10.1038/ni.3394] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
| | - Kerry Fisher
- PsiOxus Therapeutics, Abingdon, UK, and the Department of Oncology, University of Oxford, Oxford, UK
| | - Len Seymour
- Department of Oncology, University of Oxford, Oxford, UK
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33
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Contraction of the type I IFN locus and unusual constitutive expression of IFN-α in bats. Proc Natl Acad Sci U S A 2016; 113:2696-701. [PMID: 26903655 DOI: 10.1073/pnas.1518240113] [Citation(s) in RCA: 210] [Impact Index Per Article: 26.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022] Open
Abstract
Bats harbor many emerging and reemerging viruses, several of which are highly pathogenic in other mammals but cause no clinical signs of disease in bats. To determine the role of interferons (IFNs) in the ability of bats to coexist with viruses, we sequenced the type I IFN locus of the Australian black flying fox, Pteropus alecto, providing what is, to our knowledge, the first gene map of the IFN region of any bat species. Our results reveal a highly contracted type I IFN family consisting of only 10 IFNs, including three functional IFN-α loci. Furthermore, the three IFN-α genes are constitutively expressed in unstimulated bat tissues and cells and their expression is unaffected by viral infection. Constitutively expressed IFN-α results in the induction of a subset of IFN-stimulated genes associated with antiviral activity and resistance to DNA damage, providing evidence for a unique IFN system that may be linked to the ability of bats to coexist with viruses.
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El-Baky NA, Uversky VN, Redwan EM. Human consensus interferons: Bridging the natural and artificial cytokines with intrinsic disorder. Cytokine Growth Factor Rev 2015; 26:637-45. [DOI: 10.1016/j.cytogfr.2015.07.012] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2015] [Revised: 07/01/2015] [Accepted: 07/02/2015] [Indexed: 12/13/2022]
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Abstract
The interferon system protects mammals against virus infections. There are several types of interferons, which are characterized by their ability to inhibit virus replication and resultant pathogenesis by triggering both innate and cell-mediated immune responses. Virus infection is sensed by a variety of cellular pattern-recognition receptors and triggers the synthesis of interferons, which are secreted by the infected cells. In uninfected cells, cell surface receptors recognize the secreted interferons and activate intracellular signaling pathways that induce the expression of interferon-stimulated genes; the proteins encoded by these genes inhibit different stages of virus replication. To avoid extinction, almost all viruses have evolved mechanisms to defend themselves against the interferon system. Consequently, a dynamic equilibrium of survival is established between the virus and its host, an equilibrium that can be shifted to the host's favor by the use of exogenous interferon as a therapeutic antiviral agent.
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Affiliation(s)
- Volker Fensterl
- Department of Molecular Genetics, Lerner Research Institute, Cleveland Clinic, Cleveland, Ohio 44195;
| | - Saurabh Chattopadhyay
- Department of Molecular Genetics, Lerner Research Institute, Cleveland Clinic, Cleveland, Ohio 44195;
| | - Ganes C Sen
- Department of Molecular Genetics, Lerner Research Institute, Cleveland Clinic, Cleveland, Ohio 44195;
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Paul F, Pellegrini S, Uzé G. IFNA2: The prototypic human alpha interferon. Gene 2015; 567:132-7. [PMID: 25982860 PMCID: PMC5629289 DOI: 10.1016/j.gene.2015.04.087] [Citation(s) in RCA: 36] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/04/2015] [Revised: 04/21/2015] [Accepted: 04/28/2015] [Indexed: 01/10/2023]
Abstract
The human interferon α2 (IFNα2) was the first highly active IFN subtype to be cloned in the early eighties. It was also the first IFN and the first cytokine to be produced and commercialized by the pharmaceutical industry. Ipso facto it became the favorite IFNα subtype for academic researchers. For this fortunate reason IFNα2 has been at the origin of most discoveries related to the mechanism of action of type I interferons.
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Affiliation(s)
- Franciane Paul
- CNRS UMR 5235, University Montpellier, Place Eugène Bataillon, 34095 Montpellier Cedex 5, France
| | | | - Gilles Uzé
- CNRS UMR 5235, University Montpellier, Place Eugène Bataillon, 34095 Montpellier Cedex 5, France.
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Markušić M, Šantak M, Košutić-Gulija T, Jergović M, Jug R, Forčić D. Induction of IFN-α subtypes and their antiviral activity in mumps virus infection. Viral Immunol 2015; 27:497-505. [PMID: 25361048 DOI: 10.1089/vim.2014.0028] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022] Open
Abstract
Human type I interferons (IFNs) comprise one IFN-β, -ω, -κ, and -ɛ and 12 different IFN-α subtypes, which play an important role in early host antiviral response. Despite their high structural homology and signaling through the same receptor, IFN-α subtypes exhibit different antiviral, antiproliferative, and immunomodulatory activities. Differences in the production of IFN-α subtypes therefore determine the quality of an antiviral response. In this study, we investigated the pattern of IFN-α subtypes induced in infection with different mumps virus (MuV) strains and examined the MuV sensitivity to the action of IFN-α subtypes. We found that all IFN-α subtypes are being expressed in response to MuV infection with a highly similar IFN-α subtype pattern between the virus strains. We assessed an antiviral activity of several IFN-α subtypes: IFN-α1, IFN-α2, IFN-α4, IFN-α6, IFN-α8, IFN-α14, IFN-α17, and IFN-α21. Although they were all effective in suppressing MuV replication, the intensity and pattern of their action varied between MuV strains. Our results indicate that the overall IFN antiviral activity as well as the activity of specific IFN-α subtypes against MuV depend on a virus strain.
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Affiliation(s)
- Maja Markušić
- Centre for Research and Knowledge Transfer in Biotechnology, University of Zagreb , Zagreb, Croatia
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Interferon Beta and Interferon Alpha 2a Differentially Protect Head and Neck Cancer Cells from Vesicular Stomatitis Virus-Induced Oncolysis. J Virol 2015; 89:7944-54. [PMID: 25995245 DOI: 10.1128/jvi.00757-15] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2015] [Accepted: 05/15/2015] [Indexed: 12/21/2022] Open
Abstract
UNLABELLED Oncolytic viruses (OV) preferentially kill cancer cells due in part to defects in their antiviral responses upon exposure to type I interferons (IFNs). However, IFN responsiveness of some tumor cells confers resistance to OV treatment. The human type I IFNs include one IFN-β and multiple IFN-α subtypes that share the same receptor but are capable of differentially inducing biological responses. The role of individual IFN subtypes in promoting tumor cell resistance to OV is addressed here. Two human IFNs which have been produced for clinical use, IFN-α2a and IFN-β, were compared for activity in protecting human head and neck squamous cell carcinoma (HNSCC) lines from oncolysis by vesicular stomatitis virus (VSV). Susceptibility of HNSCC lines to killing by VSV varied. VSV infection induced increased production of IFN-β in resistant HNSCC cells. When added exogenously, IFN-β was significantly more effective at protecting HNSCC cells from VSV oncolysis than was IFN-α2a. In contrast, normal keratinocytes and endothelial cells were protected equivalently by both IFN subtypes. Differential responsiveness of tumor cells to IFN-α and -β was further supported by the finding that autocrine IFN-β but not IFN-α promoted survival of HNSCC cells during persistent VSV infection. Therefore, IFN-α and -β differentially affect VSV oncolysis, justifying the evaluation and comparison of IFN subtypes for use in combination with VSV therapy. Pairing VSV with IFN-α2a may enhance selectivity of oncolytic VSV therapy for HNSCC by inhibiting VSV replication in normal cells without a corresponding inhibition in cancer cells. IMPORTANCE There has been a great deal of progress in the development of oncolytic viruses. However, a major problem is that individual cancers vary in their sensitivity to oncolytic viruses. In many cases this is due to differences in their production and response to interferons (IFNs). The experiments described here compared the responses of head and neck squamous cell carcinoma cell lines to two IFN subtypes, IFN-α2a and IFN-β, in protection from oncolytic vesicular stomatitis virus. We found that IFN-α2a was significantly less protective for cancer cells than was IFN-β, whereas normal cells were equivalently protected by both IFNs. These results suggest that from a therapeutic standpoint, selectivity for cancer versus normal cells may be enhanced by pairing VSV with IFN-α2a.
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A Rhesus Rhadinovirus Viral Interferon (IFN) Regulatory Factor Is Virion Associated and Inhibits the Early IFN Antiviral Response. J Virol 2015; 89:7707-21. [PMID: 25972548 DOI: 10.1128/jvi.01175-15] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/07/2015] [Accepted: 05/08/2015] [Indexed: 01/14/2023] Open
Abstract
UNLABELLED The interferon (IFN) response is the earliest host immune response dedicated to combating viral infection. As such, viruses have evolved strategies to subvert this potent antiviral response. Two closely related gammaherpesviruses, Kaposi's sarcoma-associated herpesvirus (KSHV) and rhesus macaque rhadinovirus (RRV), are unique in that they express viral homologues to cellular interferon regulatory factors (IRFs), termed viral IRFs (vIRFs). Cellular IRFs are a family of transcription factors that are particularly important for the transcription of type I IFNs. Here, we demonstrate a strategy employed by RRV to ensure rapid inhibition of virus-induced type I IFN induction. We found that RRV vIRF R6, when expressed ectopically, interacts with a transcriptional coactivator, CREB-binding protein (CBP), in the nucleus. As a result, phosphorylated IRF3, an important transcriptional regulator in beta interferon (IFN-β) transcription, fails to effectively bind to the IFN-β promoter, thus inhibiting the activation of IFN-β genes. In addition, we found R6 within RRV virion particles via immunoelectron microscopy and, furthermore, that virion-associated R6 is capable of inhibiting the type I IFN response by preventing efficient binding of IRF3/CBP complexes to the IFN-β promoter in the context of infection. The work shown here is the first example of a vIRF being associated with either the KSHV or RRV virion. The presence of this immunomodulatory protein in the RRV virion provides the virus with an immediate mechanism to evade the host IFN response, thus enabling the virus to effectively establish an infection within the host. IMPORTANCE Kaposi's sarcoma-associated herpesvirus (KSHV) and the closely related rhesus macaque rhadinovirus (RRV) are the only viruses known to encode viral homologues to cellular interferon regulatory factors (IRFs), known as vIRFs. In KSHV, these proteins have been shown to play major roles in a variety of cellular processes and are particularly important in the evasion of the host type I interferon (IFN) response. In this study, we delineate the immunomodulatory mechanism of an RRV vIRF and its ability to assist the virus in rapid immune evasion by being prepackaged within the virion, thus providing evidence, for the first time, of a virion-associated vIRF. This work further contributes to our understanding of the mechanisms behind immunomodulation by the RRV vIRFs during infection.
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El-Baky NA, Redwan EM. Therapeutic alpha-interferons protein: structure, production, and biosimilar. Prep Biochem Biotechnol 2015; 45:109-27. [PMID: 24785737 DOI: 10.1080/10826068.2014.907175] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
Abstract
In 2007, the world solemnized the golden jubilee of the discovery of interferon (IFN). Interferon is a small protein messenger called a pluripotent cytokine, produced by several cells of the host in response to various biological as well as synthetic stimuli. There are three major classes of interferons in humans: IFN-alpha, IFN-beta, and IFN-gamma. As a treatment option, interferon-alpha (IFN-α) is the most effective one. IFN-α has proved to be effective as an antiviral therapy and tumor-fighting drug in the past two decades. Meanwhile, great progress has been achieved in establishing IFN-α as the first choice of antiviral therapy for chronic hepatitis C virus (HCV) patients. Recently, novel pegylated IFN-α2 products with extended in vivo half-lives and consensus interferon, an artificially engineered type I interferon, have been developed to substantially improve treatment regimes for HCV patients. Undesirable acute and chronic side effects in addition to immunogenicity of therapeutic IFN products remain constraints to conquer for further improvements in clinical applications of IFN. It is certainly expected that more research will be conducted in the future, not only to face these challenges but also to extend the range of IFN products and their clinical targets. The objective herein is to review the current therapeutic alpha-interferons production, formulation technologies, and prospective future for the original entity and its biogeneric version.
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Affiliation(s)
- Nawal Abd El-Baky
- a Biological Sciences Department, Faculty of Science , King Abdulaziz University , Jeddah , Saudi Arabia
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41
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Génin P, Cuvelier F, Lambin S, Côrte-Real Filipe J, Autrusseau E, Laurent C, Laplantine E, Weil R. Optineurin regulates the interferon response in a cell cycle-dependent manner. PLoS Pathog 2015; 11:e1004877. [PMID: 25923723 PMCID: PMC4414543 DOI: 10.1371/journal.ppat.1004877] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/15/2014] [Accepted: 04/13/2015] [Indexed: 01/12/2023] Open
Abstract
Viral invasion into a host is initially recognized by the innate immune system, mainly through activation of the intracellular cytosolic signaling pathway and coordinated activation of interferon regulatory factor 3 (IRF3) and nuclear factor kappa B (NF-κB) transcription factors that promote type I interferon gene induction. The TANK-binding Kinase 1 (TBK1) phosphorylates and activates IRF3. Here, we show that Optineurin (Optn) dampens the antiviral innate immune response by targeting the deubiquitinating enzyme CYLD to TBK1 in order to inhibit its enzymatic activity. Importantly, we found that this regulatory mechanism is abolished at the G2/M phase as a consequence of the nuclear translocation of CYLD and Optn. As a result, we observed, at this cell division stage, an increased activity and phosphorylation of TBK1 that lead to its relocalization to mitochondria and to enhanced interferon production, suggesting that this process, which relies on Optn function, might be of major importance to mount a preventive antiviral response during mitosis. The innate immune system has evolved to detect and neutralize viral invasion. Triggering of this defense mechanism relies on the production and secretion of soluble factors that stimulate an intracellular antiviral defense mechanism. The protein Optineurin was shown to negatively regulate this process. Importantly, we discovered the mechanism by which Optineurin inhibits antiviral activity and showed that this regulation is prevented during a critical step of cell division leading to enhancement of the cellular defense mechanism. This paper shows that the antiviral immune system is controlled during the cell cycle and that Optineurin-mediated induction of this system might serve to protect cells from infection during cell division.
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Affiliation(s)
- Pierre Génin
- Laboratoire de Signalisation et Pathogenèse, CNRS UMR3691, Institut Pasteur, Paris, France
- * E-mail:
| | - Frédérique Cuvelier
- Laboratoire de Signalisation et Pathogenèse, CNRS UMR3691, Institut Pasteur, Paris, France
| | - Sandrine Lambin
- Laboratoire de Signalisation et Pathogenèse, CNRS UMR3691, Institut Pasteur, Paris, France
| | | | - Elodie Autrusseau
- Laboratoire de Signalisation et Pathogenèse, CNRS UMR3691, Institut Pasteur, Paris, France
| | | | - Emmanuel Laplantine
- Laboratoire de Signalisation et Pathogenèse, CNRS UMR3691, Institut Pasteur, Paris, France
| | - Robert Weil
- Laboratoire de Signalisation et Pathogenèse, CNRS UMR3691, Institut Pasteur, Paris, France
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Jang YJ, Park JI, Moon WJ, Dam PTM, Cho MK, Chun SY. Cumulus cell-expressed type I interferons induce cumulus expansion in mice. Biol Reprod 2014; 92:20. [PMID: 25429090 DOI: 10.1095/biolreprod.114.122770] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/01/2022] Open
Abstract
Ovulation resembles the inflammatory response. The purpose of the present study was to examine the expression and role of type I interferons (IFNs) Ifnalpha and Ifnbeta in mouse ovaries during the process of ovulation. An in vivo injection of equine chorionic gonadotropin (CG)-human CG (hCG) stimulated Ifnalpha and Ifnbeta mRNA in cumulus-oocyte complexes (COCs) within 6 h. Type I IFN receptor (Ifnar1 and Ifnar2) genes were also expressed in preovulatory follicles without a change by hCG. Immunofluorescent study revealed the expression of protein signals of Ifnalpha, Ifnbeta, and Ifnar1 in cumulus cells. Treatment of COCs with Ifnalpha or Ifnbeta in vitro induced cumulus expansion that was comparable to that mediated by epiregulin. In cultured COCs, the levels of Ifnalpha and Ifnbeta mRNA increased by epiregulin and follicle-stimulating hormone, but not by prostaglandin E2. Ifnalpha and Ifnbeta activated multiple signaling events (signal transducer and activator of transcription-1/3, Akt, and mitogen-activated protein kinase 1/2) and stimulated the expression of genes known to impact COC expansion (Has2, Ptx3, Tnfaip6, and Ptgs2). Interestingly, treatment of COCs with Toll-like receptor (TLR) 2 and TLR4 ligands (lipopolysaccharides, Pam3Cys, and hyaluronan fragments) increased Ifnalpha and Ifnbeta mRNA, while coculture with anti-TLR2/4 neutralizing antibody abolished these effects. Taken together, these results demonstrate that the type I IFN system is operating in mouse cumulus cells and plays a role in the induction of cumulus expansion during the ovulatory process in mice.
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Affiliation(s)
- You-Jee Jang
- School of Biological Sciences & Technology, Faculty of Life Science, Chonnam National University, Gwangju, Republic of Korea
| | - Jae-Il Park
- Animal Facility of Aging Science, Korea Basic Science Institute, Gwangju, Republic of Korea
| | - Won-Jin Moon
- Animal Facility of Aging Science, Korea Basic Science Institute, Gwangju, Republic of Korea
| | - Phuong T M Dam
- School of Biological Sciences & Technology, Faculty of Life Science, Chonnam National University, Gwangju, Republic of Korea
| | - Moon-Kyoung Cho
- Department of Obstetrics and Gynecology, Chonnam National University Medical School, Gwangju, Republic of Korea
| | - Sang-Young Chun
- School of Biological Sciences & Technology, Faculty of Life Science, Chonnam National University, Gwangju, Republic of Korea
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Zhou P, Cowled C, Mansell A, Monaghan P, Green D, Wu L, Shi Z, Wang LF, Baker ML. IRF7 in the Australian black flying fox, Pteropus alecto: evidence for a unique expression pattern and functional conservation. PLoS One 2014; 9:e103875. [PMID: 25100081 PMCID: PMC4123912 DOI: 10.1371/journal.pone.0103875] [Citation(s) in RCA: 38] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2014] [Accepted: 07/02/2014] [Indexed: 12/21/2022] Open
Abstract
As the only flying mammal, bats harbor a number of emerging and re-emerging viruses, many of which cause severe diseases in humans and other mammals yet result in no clinical symptoms in bats. As the master regulator of the interferon (IFN)-dependent immune response, IFN regulatory factor 7 (IRF7) plays a central role in innate antiviral immunity. To explore the role of bat IRF7 in the regulation of the IFN response, we performed sequence and functional analysis of IRF7 from the pteropid bat, Pteropus alecto. Our results demonstrate that bat IRF7 retains the ability to bind to MyD88 and activate the IFN response despite unique changes in the MyD88 binding domain. We also demonstrate that bat IRF7 has a unique expression pattern across both immune and non-immune related tissues and is inducible by double-strand RNA. The broad tissue distribution of IRF7 may provide bats with an enhanced ability to rapidly activate the IFN response in a wider range of tissues compared to other mammals. The importance of IRF7 in antiviral activity against the bat reovirus, Pulau virus was confirmed by siRNA knockdown of IRF7 in bat cells resulting in enhanced viral replication. Our results highlight the importance of IRF7 in innate antiviral immunity in bats.
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Affiliation(s)
- Peng Zhou
- CSIRO, Australian Animal Health Laboratory, Geelong, Victoria, Australia
| | - Chris Cowled
- CSIRO, Australian Animal Health Laboratory, Geelong, Victoria, Australia
| | - Ashley Mansell
- Centre for Innate Immunity and Infectious Diseases, Monash Institute of Medical Research-Prince Henry Institute of Medical Research, Monash University, Clayton, Victoria, Australia
| | - Paul Monaghan
- CSIRO, Australian Animal Health Laboratory, Geelong, Victoria, Australia
| | - Diane Green
- CSIRO, Australian Animal Health Laboratory, Geelong, Victoria, Australia
| | - Lijun Wu
- Center for Emerging Infectious Diseases, Wuhan Institute of Virology, Chinese Academy of Sciences, Wuhan, China
| | - Zhengli Shi
- Center for Emerging Infectious Diseases, Wuhan Institute of Virology, Chinese Academy of Sciences, Wuhan, China
| | - Lin-Fa Wang
- CSIRO, Australian Animal Health Laboratory, Geelong, Victoria, Australia
- Program in Emerging Infectious Diseases, Duke-National University of Singapore Graduate Medical School, Singapore
| | - Michelle L. Baker
- CSIRO, Australian Animal Health Laboratory, Geelong, Victoria, Australia
- * E-mail:
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Egli A, Santer DM, O'Shea D, Tyrrell DL, Houghton M. The impact of the interferon-lambda family on the innate and adaptive immune response to viral infections. Emerg Microbes Infect 2014; 3:e51. [PMID: 26038748 PMCID: PMC4126180 DOI: 10.1038/emi.2014.51] [Citation(s) in RCA: 114] [Impact Index Per Article: 11.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2014] [Revised: 05/06/2014] [Accepted: 05/20/2014] [Indexed: 12/12/2022]
Abstract
Type-III interferons (IFN-λ, IFNL) are the most recently described family of IFNs. This family of innate cytokines are increasingly being ascribed pivotal roles in host-pathogen interactions. Herein, we will review the accumulating evidence detailing the immune biology of IFNL during viral infection, and the implications of this novel information on means to advance the development of therapies and vaccines against existing and emerging pathogens. IFNLs exert antiviral effects via induction of IFN-stimulated genes. Common single nucleotide polymorphisms (SNPs) in the IFNL3, IFNL4 and the IFNL receptor α-subunit genes have been strongly associated with IFN-α-based treatment of chronic hepatitis C virus infection. The clinical impact of these SNPs may be dependent on the status of viral infection (acute or chronic) and the potential to develop viral resistance. Another important function of IFNLs is macrophage and dendritic cell polarization, which prime helper T-cell activation and proliferation. It has been demonstrated that IFNL increase Th1- and reduce Th2-cytokines. Therefore, can such SNPs affect the IFNL signaling and thereby modulate the Th1/Th2 balance during infection? In turn, this may influence the subsequent priming of cytotoxic T cells versus antibody-secreting B cells, with implications for the breadth and durability of the host response.
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Affiliation(s)
- Adrian Egli
- Infection Biology, Department of Biomedicine, University Hospital of Basel , 4031 Basel, Switzerland ; Clinical Microbiology, University Hospital of Basel , 4031 Basel, Switzerland
| | - Deanna M Santer
- Department of Medical Microbiology and Immunology, and Li Ka Shing Institute of Virology, University of Alberta , Edmonton, Alberta T6G 2E1, Canada
| | - Daire O'Shea
- Department of Medical Microbiology and Immunology, and Li Ka Shing Institute of Virology, University of Alberta , Edmonton, Alberta T6G 2E1, Canada ; Division of Infectious Diseases, University of Alberta , Edmonton, Alberta T6G 2E1, Canada
| | - D Lorne Tyrrell
- Department of Medical Microbiology and Immunology, and Li Ka Shing Institute of Virology, University of Alberta , Edmonton, Alberta T6G 2E1, Canada
| | - Michael Houghton
- Department of Medical Microbiology and Immunology, and Li Ka Shing Institute of Virology, University of Alberta , Edmonton, Alberta T6G 2E1, Canada
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Freaney JE, Zhang Q, Yigit E, Kim R, Widom J, Wang JP, Horvath CM. High-density nucleosome occupancy map of human chromosome 9p21-22 reveals chromatin organization of the type I interferon gene cluster. J Interferon Cytokine Res 2014; 34:676-85. [PMID: 24673249 DOI: 10.1089/jir.2013.0118] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022] Open
Abstract
Genome-wide investigations have dramatically increased our understanding of nucleosome positioning and the role of chromatin in gene regulation, yet some genomic regions have been poorly represented in human nucleosome maps. One such region is represented by human chromosome 9p21-22, which contains the type I interferon gene cluster that includes 16 interferon alpha genes and the single interferon beta, interferon epsilon, and interferon omega genes. A high-density nucleosome mapping strategy was used to generate locus-wide maps of the nucleosome organization of this biomedically important locus at a steady state and during a time course of infection with Sendai virus, an inducer of interferon gene expression. Detailed statistical and computational analysis illustrates that nucleosomes in this locus exhibit preferences for particular dinucleotide and oligomer DNA sequence motifs in vivo, which are similar to those reported for lower eukaryotic nucleosome-DNA interactions. These data were used to visualize the region's chromatin architecture and reveal features that are common to the organization of all the type I interferon genes, indicating a common nucleosome-mediated gene regulatory paradigm. Additionally, this study clarifies aspects of the dynamic changes that occur with the nucleosome occupying the transcriptional start site of the interferon beta gene after virus infection.
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Affiliation(s)
- Jonathan E Freaney
- 1 Department of Molecular Biosciences, Northwestern University , Evanston, Illinois
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Martín-Antonio B, Granell M, Urbano-Ispizua Á. Genomic polymorphisms of the innate immune system and allogeneic stem cell transplantation. Expert Rev Hematol 2014; 3:411-27. [DOI: 10.1586/ehm.10.40] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
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Visualizing the beta interferon response in mice during infection with influenza A viruses expressing or lacking nonstructural protein 1. J Virol 2013; 87:6925-30. [PMID: 23576514 DOI: 10.1128/jvi.00283-13] [Citation(s) in RCA: 38] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022] Open
Abstract
The innate host defense against influenza virus is largely dependent on the type I interferon (IFN) system. However, surprisingly little is known about the cellular source of IFN in the infected lung. To clarify this question, we employed a reporter mouse that contains the firefly luciferase gene in place of the IFN-β-coding region. IFN-β-producing cells were identified either by simultaneous immunostaining of lungs for luciferase and cellular markers or by generating conditional reporter mice that express luciferase exclusively in defined cell types. Two different strains of influenza A virus were employed that either do or do not code for nonstructural protein 1 (NS1), which strongly suppresses innate immune responses of infected cells. We found that epithelial cells and lung macrophages, which represent the prime host cells for influenza viruses, showed vigorous IFN-β responses which, however, were severely reduced and delayed if the infecting virus was able to produce NS1. Interestingly, CD11c(+) cell populations that were either expressing or lacking macrophage markers produced the bulk of IFN-β at 48 h after infection with wild-type influenza A virus. Our results demonstrate that the virus-encoded IFN-antagonistic factor NS1 disarms specifically epithelial cells and lung macrophages, which otherwise would serve as main mediators of the early response against infection by influenza virus.
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Manry J, Quintana-Murci L. [Population genetics and human immunity: the interferon paradigm]. Med Sci (Paris) 2013; 28:1095-101. [PMID: 23290410 DOI: 10.1051/medsci/20122812020] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Abstract
The evolutionary genetics dissection of immunity-related genes provides insights into immunological defence mechanisms and highlight host pathways playing an important role in pathogen resistance. Recent population genetic data have increased knowledge of the biological relevance of human interferons (IFN), cytokines released by host cells in response to pathogen presence or tumour cells. Some IFN-α subtypes as well as IFN-γ are strongly evolutionarily constrained, suggesting that the functions they fulfil are essential and non redundant. Other IFN, the most extreme cases being IFN-α10 and IFN-ε, can accumulate missense or nonsense mutations at high population frequencies, suggesting higher redundancy. Furthermore, genetic variation at some IFN genes can be advantageous for the host and increase in frequency by positive selection. This has been shown for type III IFN, where mutations at IL28A, IL28B and IL29 have been positively selected in Europeans and Asians, most likely by increasing resistance to viral infection. This review uses the IFN paradigm to illustrate the value of the evolutionary approach in highlighting important determinants of host immune responsiveness in the natural setting.
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Affiliation(s)
- Jérémy Manry
- Institut Pasteur, département génomes et génétique, unité génétique évolutive humaine, 25, rue du Docteur Roux, 75015 Paris, France - CNRS URA3012, 75015 Paris, France
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Sancho-Shimizu V, Perez de Diego R, Jouanguy E, Zhang SY, Casanova JL. Inborn errors of anti-viral interferon immunity in humans. Curr Opin Virol 2012; 1:487-96. [PMID: 22347990 DOI: 10.1016/j.coviro.2011.10.016] [Citation(s) in RCA: 85] [Impact Index Per Article: 7.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
The three types of interferon (IFNs) are essential for immunity against at least some viruses in the mouse model of experimental infections, type I IFNs displaying the broadest and strongest anti-viral activity. Consistently, human genetic studies have shown that type II IFN is largely redundant for immunity against viruses in the course of natural infections. The precise contributions of human type I and III IFNs remain undefined. However, various inborn errors of anti-viral IFN immunity have been described, which can result in either broad or narrow immunological and viral phenotypes. The broad disorders impair the response to (STAT1, TYK2) or the production of at least type I and type III IFNs following multiple stimuli (NEMO), resulting in multiple viral infections at various sites, including herpes simplex encephalitis (HSE). The narrow disorders impair exclusively (TLR3) or mostly (UNC-93B, TRIF, TRAF3) the TLR3-dependent induction of type I and III IFNs, leading to HSE in apparently otherwise healthy individuals. These recent discoveries highlight the importance of human type I and III IFNs in protective immunity against viruses, including the TLR3-IFN pathway in protection against HSE.
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Affiliation(s)
- Vanessa Sancho-Shimizu
- Laboratory of Human Genetics of Infectious Diseases, Necker Branch, Institut National de la Santé et de la Recherche Médicale, U980, Necker Medical School, Paris 75015, France
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Levy DE, Marié IJ, Durbin JE. Induction and function of type I and III interferon in response to viral infection. Curr Opin Virol 2012; 1:476-86. [PMID: 22323926 DOI: 10.1016/j.coviro.2011.11.001] [Citation(s) in RCA: 232] [Impact Index Per Article: 19.3] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
Abstract
The type I and III interferon (IFN) families consist of cytokines rapidly induced during viral infection that confer antiviral protection on target cells and are critical components of innate immune responses and the transition to effective adaptive immunity. The regulation of their expression involves an intricate and stringently regulated signaling cascade, initiated by recognition most often of viral nucleic acid in cytoplasmic and endosomal compartments and involving a series of protein conformational rearrangements and interactions regulated by helicase action, ubiquitin modification, and protein aggregation, culminating in kinase activation and phosphorylation of critical transcription factors and their regulators. The many IFN subtypes induced by viruses confer amplification, diversification, and cell-type specificity to the host response to infection, providing fertile ground for development of antiviral therapeutics and vaccines.
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Affiliation(s)
- David E Levy
- Department of Pathology, NYU School of Medicine, New York, NY 10016, USA.
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