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Fu H, Pickering H, Rubbi L, Ross TM, Zhou W, Reed EF, Pellegrini M. The response to influenza vaccination is associated with DNA methylation-driven regulation of T cell innate antiviral pathways. Clin Epigenetics 2024; 16:114. [PMID: 39169387 PMCID: PMC11340180 DOI: 10.1186/s13148-024-01730-x] [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: 04/25/2024] [Accepted: 08/12/2024] [Indexed: 08/23/2024] Open
Abstract
BACKGROUND The effect of vaccination on the epigenome remains poorly characterized. In previous research, we identified an association between seroprotection against influenza and DNA methylation at sites associated with the RIG-1 signaling pathway, which recognizes viral double-stranded RNA and leads to a type I interferon response. However, these studies did not fully account for confounding factors including age, gender, and BMI, along with changes in cell-type composition. RESULTS Here, we studied the influenza vaccine response in a longitudinal cohort vaccinated over two consecutive years (2019-2020 and 2020-2021), using peripheral blood mononuclear cells and a targeted DNA methylation approach. To address the effects of multiple factors on the epigenome, we designed a multivariate multiple regression model that included seroprotection levels as quantified by the hemagglutination-inhibition (HAI) assay test. CONCLUSIONS Our findings indicate that 179 methylation sites can be combined as potential signatures to predict seroprotection. These sites were not only enriched for genes involved in the regulation of the RIG-I signaling pathway, as found previously, but also enriched for other genes associated with innate immunity to viruses and the transcription factor binding sites of BRD4, which is known to impact T cell memory. We propose a model to suggest that the RIG-I pathway and BRD4 could potentially be modulated to improve immunization strategies.
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Affiliation(s)
- Hongxiang Fu
- Department of Molecular Cell and Developmental Biology, University of California Los Angeles, Los Angeles, CA, USA
- Center for Computational and Genomic Medicine, The Children's Hospital of Philadelphia, Philadelphia, PA, USA
| | - Harry Pickering
- Department of Pathology and Laboratory Medicine, David Geffen School of Medicine, University of California Los Angeles, Los Angeles, CA, USA
| | - Liudmilla Rubbi
- Department of Molecular Cell and Developmental Biology, University of California Los Angeles, Los Angeles, CA, USA
| | - Ted M Ross
- Department of Infectious Diseases, University of Georgia, Athens, GA, USA
- Center for Vaccines and Immunology, University of Georgia, Athens, GA, USA
| | - Wanding Zhou
- Center for Computational and Genomic Medicine, The Children's Hospital of Philadelphia, Philadelphia, PA, USA
| | - Elaine F Reed
- Department of Pathology and Laboratory Medicine, David Geffen School of Medicine, University of California Los Angeles, Los Angeles, CA, USA
| | - Matteo Pellegrini
- Department of Molecular Cell and Developmental Biology, University of California Los Angeles, Los Angeles, CA, USA.
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2
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Seegobin M, Logan SR, Emery RJN, Brunetti CR. Cytokinins Reduce Viral Replication and Alter Plaque Morphology of Frog Virus 3 In Vitro. Viruses 2024; 16:826. [PMID: 38932119 PMCID: PMC11209418 DOI: 10.3390/v16060826] [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: 03/25/2024] [Revised: 05/09/2024] [Accepted: 05/20/2024] [Indexed: 06/28/2024] Open
Abstract
Cytokinins (CKs) are a group of N6-substituted signaling molecules whose biosynthesis and metabolism have been documented in all kingdoms of life, including vertebrates. While their biological relevance in vertebrate systems continues to be elucidated, they have broadly been documented with therapeutic effects in exogenous applications. In this study, we evaluated the virostatic potential of four types of CKs including, N6-isopentenyladenine (iP), N6-isopentenyladenosine (iPR), N6-isopentenyladenosine-5'monophosphate (iPMP), and 2-methylthiol-N6-isopentenyladenosine (2MeSiPR) against the ranavirus type species, frog virus 3 (FV3). Following concurrent treatment and infection, iP and iPR reduced viral replication by 33.8% and 59.6%, respectively, in plaque formation assays. A decrease in viral replication was also observed when CK exposure was limited to 12 h prior to infection, where iP and iPR reduced viral replication by 31% and 23.75%, respectively. Treatment with iP and iPR was also marked by 48% and 60% decreases in viral load over 72 h, respectively, as measured in single step growth curves. Plaque morphology was altered in vitro, as iP and iPR treatment increased plaque area by 83% and 112% with lytic zone formation also becoming more prevalent in corresponding treatments. Treatment with iPMP and 2MeSiPR resulted in no effect on viral kinetics in vitro. The results of this study are the first to provide evidence of CK antiviral activity against a DNA virus and highlight the importance of their structure for therapeutic investigations.
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Affiliation(s)
| | | | | | - Craig R. Brunetti
- Department of Biology, Trent University, 1600 West Bank Drive, Peterborough, ON K9J 0G2, Canada; (M.S.); (S.R.L.); (R.J.N.E.)
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3
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Lefkowitz RB, Miller CM, Martinez-Caballero JD, Ramos I. Epigenetic Control of Innate Immunity: Consequences of Acute Respiratory Virus Infection. Viruses 2024; 16:197. [PMID: 38399974 PMCID: PMC10893272 DOI: 10.3390/v16020197] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2023] [Revised: 01/24/2024] [Accepted: 01/25/2024] [Indexed: 02/25/2024] Open
Abstract
Infections caused by acute respiratory viruses induce a systemic innate immune response, which can be measured by the increased levels of expression of inflammatory genes in immune cells. There is growing evidence that these acute viral infections, alongside transient transcriptomic responses, induce epigenetic remodeling as part of the immune response, such as DNA methylation and histone modifications, which might persist after the infection is cleared. In this article, we first review the primary mechanisms of epigenetic remodeling in the context of innate immunity and inflammation, which are crucial for the regulation of the immune response to viral infections. Next, we delve into the existing knowledge concerning the impact of respiratory virus infections on the epigenome, focusing on Severe Acute Respiratory Syndrome Coronavirus 2 (SARS-CoV-2), Influenza A Virus (IAV), and Respiratory Syncytial Virus (RSV). Finally, we offer perspectives on the potential consequences of virus-induced epigenetic remodeling and open questions in the field that are currently under investigation.
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Affiliation(s)
- Rivka Bella Lefkowitz
- Department of Neurology, Icahn School of Medicine at Mount Sinai, New York, NY 10029, USA; (R.B.L.); (C.M.M.)
| | - Clare M. Miller
- Department of Neurology, Icahn School of Medicine at Mount Sinai, New York, NY 10029, USA; (R.B.L.); (C.M.M.)
- Precision Immunology Institute, Icahn School of Medicine at Mount Sinai, New York, NY 10029, USA
| | - Juan David Martinez-Caballero
- Department of Neurology, Icahn School of Medicine at Mount Sinai, New York, NY 10029, USA; (R.B.L.); (C.M.M.)
- Graduate School of Biomedical Sciences, Icahn School of Medicine at Mount Sinai, New York, NY 10029, USA
| | - Irene Ramos
- Department of Neurology, Icahn School of Medicine at Mount Sinai, New York, NY 10029, USA; (R.B.L.); (C.M.M.)
- Precision Immunology Institute, Icahn School of Medicine at Mount Sinai, New York, NY 10029, USA
- Graduate School of Biomedical Sciences, Icahn School of Medicine at Mount Sinai, New York, NY 10029, USA
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4
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Fu H, Pickering H, Rubbi L, Ross TM, Reed EF, Pellegrini M. Longitudinal analysis of influenza vaccination implicates regulation of RIG-I signaling by DNA methylation. Sci Rep 2024; 14:1455. [PMID: 38228690 PMCID: PMC10791625 DOI: 10.1038/s41598-024-51665-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2023] [Accepted: 01/08/2024] [Indexed: 01/18/2024] Open
Abstract
Influenza virus infection alters the promoter DNA methylation of key immune response-related genes, including type-1 interferons and proinflammatory cytokines. However, less is known about the effect of the influenza vaccine on the epigenome. We utilized a targeted DNA methylation approach to study the longitudinal effects (day 0 pre-vaccination and day 28 post-vaccination) on influenza vaccination responses in peripheral blood mononuclear cells. We found that baseline, pre-vaccination methylation profiles are associated with pre-existing, protective serological immunity. Additionally, we identified 481 sites that were differentially methylated between baseline and day 28 post-vaccination. These were enriched for genes involved in the regulation of the RIG-I signaling pathway, an important regulator of viral responses. Our results suggest that DNA methylation changes to components of the RIG-I pathway are associated with vaccine effectiveness. Therefore, immunization strategies that target this pathway may improve serological responses to influenza vaccination.
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Affiliation(s)
- Hongxiang Fu
- Department of Molecular Cell and Developmental Biology, University of California Los Angeles, Los Angeles, CA, USA
| | - Harry Pickering
- Department of Pathology and Laboratory Medicine, David Geffen School of Medicine, University of California Los Angeles, Los Angeles, CA, USA
| | - Liudmilla Rubbi
- Department of Molecular Cell and Developmental Biology, University of California Los Angeles, Los Angeles, CA, USA
| | - Ted M Ross
- Department of Infectious Diseases, University of Georgia, Athens, GA, USA
- Center for Vaccines and Immunology, University of Georgia, Athens, GA, USA
| | - Elaine F Reed
- Department of Pathology and Laboratory Medicine, David Geffen School of Medicine, University of California Los Angeles, Los Angeles, CA, USA
| | - Matteo Pellegrini
- Department of Molecular Cell and Developmental Biology, University of California Los Angeles, Los Angeles, CA, USA.
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5
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Zhao Z, Li J, Feng Y, Kang X, Li Y, Chen Y, Li W, Yang W, Zhao L, Huang S, Zhang S, Jiang T. Host DNA Demethylation Induced by DNMT1 Inhibition Up-Regulates Antiviral OASL Protein during Influenza a Virus Infection. Viruses 2023; 15:1646. [PMID: 37631988 PMCID: PMC10459088 DOI: 10.3390/v15081646] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/03/2023] [Revised: 07/24/2023] [Accepted: 07/26/2023] [Indexed: 08/27/2023] Open
Abstract
Influenza A virus (IAV) is a leading cause of human respiratory infections and poses a major public health concern. IAV replication can affect the expression of DNA methyltransferases (DNMTs), and the subsequent changes in DNA methylation regulate gene expression and may lead to abnormal gene transcription and translation, yet the underlying mechanisms of virus-induced epigenetic changes from DNA methylation and its role in virus-host interactions remain elusive. Here in this paper, we showed that DNMT1 expression could be suppressed following the inhibition of miR-142-5p or the PI3K/AKT signaling pathway during IAV infection, resulting in demethylation of the promotor region of the 2'-5'-oligoadenylate synthetase-like (OASL) protein and promotion of its expression in A549 cells. OASL expression enhanced RIG-I-mediated interferon induction and then suppressed replication of IAV. Our study elucidated an innate immunity mechanism by which up-regulation of OASL contributes to host antiviral responses via epigenetic modifications in IAV infection, which could provide important insights into the understanding of viral pathogenesis and host antiviral defense.
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Affiliation(s)
- Zhiyan Zhao
- School of Basic Medical Sciences, Anhui Medical University, Hefei 230032, China; (Z.Z.); (S.H.)
- State Key Laboratory of Pathogen and Biosecurity, Beijing Institute of Microbiology and Epidemiology, Academy of Military Medical Sciences, Beijing 100071, China; (J.L.); (Y.F.); (X.K.); (Y.L.); (Y.C.); (W.L.); (W.Y.); (L.Z.)
| | - Jing Li
- State Key Laboratory of Pathogen and Biosecurity, Beijing Institute of Microbiology and Epidemiology, Academy of Military Medical Sciences, Beijing 100071, China; (J.L.); (Y.F.); (X.K.); (Y.L.); (Y.C.); (W.L.); (W.Y.); (L.Z.)
| | - Ye Feng
- State Key Laboratory of Pathogen and Biosecurity, Beijing Institute of Microbiology and Epidemiology, Academy of Military Medical Sciences, Beijing 100071, China; (J.L.); (Y.F.); (X.K.); (Y.L.); (Y.C.); (W.L.); (W.Y.); (L.Z.)
| | - Xiaoping Kang
- State Key Laboratory of Pathogen and Biosecurity, Beijing Institute of Microbiology and Epidemiology, Academy of Military Medical Sciences, Beijing 100071, China; (J.L.); (Y.F.); (X.K.); (Y.L.); (Y.C.); (W.L.); (W.Y.); (L.Z.)
| | - Yuchang Li
- State Key Laboratory of Pathogen and Biosecurity, Beijing Institute of Microbiology and Epidemiology, Academy of Military Medical Sciences, Beijing 100071, China; (J.L.); (Y.F.); (X.K.); (Y.L.); (Y.C.); (W.L.); (W.Y.); (L.Z.)
| | - Yuehong Chen
- State Key Laboratory of Pathogen and Biosecurity, Beijing Institute of Microbiology and Epidemiology, Academy of Military Medical Sciences, Beijing 100071, China; (J.L.); (Y.F.); (X.K.); (Y.L.); (Y.C.); (W.L.); (W.Y.); (L.Z.)
| | - Wei Li
- State Key Laboratory of Pathogen and Biosecurity, Beijing Institute of Microbiology and Epidemiology, Academy of Military Medical Sciences, Beijing 100071, China; (J.L.); (Y.F.); (X.K.); (Y.L.); (Y.C.); (W.L.); (W.Y.); (L.Z.)
| | - Wenguang Yang
- State Key Laboratory of Pathogen and Biosecurity, Beijing Institute of Microbiology and Epidemiology, Academy of Military Medical Sciences, Beijing 100071, China; (J.L.); (Y.F.); (X.K.); (Y.L.); (Y.C.); (W.L.); (W.Y.); (L.Z.)
| | - Lu Zhao
- State Key Laboratory of Pathogen and Biosecurity, Beijing Institute of Microbiology and Epidemiology, Academy of Military Medical Sciences, Beijing 100071, China; (J.L.); (Y.F.); (X.K.); (Y.L.); (Y.C.); (W.L.); (W.Y.); (L.Z.)
| | - Shenghai Huang
- School of Basic Medical Sciences, Anhui Medical University, Hefei 230032, China; (Z.Z.); (S.H.)
| | - Sen Zhang
- State Key Laboratory of Pathogen and Biosecurity, Beijing Institute of Microbiology and Epidemiology, Academy of Military Medical Sciences, Beijing 100071, China; (J.L.); (Y.F.); (X.K.); (Y.L.); (Y.C.); (W.L.); (W.Y.); (L.Z.)
| | - Tao Jiang
- School of Basic Medical Sciences, Anhui Medical University, Hefei 230032, China; (Z.Z.); (S.H.)
- State Key Laboratory of Pathogen and Biosecurity, Beijing Institute of Microbiology and Epidemiology, Academy of Military Medical Sciences, Beijing 100071, China; (J.L.); (Y.F.); (X.K.); (Y.L.); (Y.C.); (W.L.); (W.Y.); (L.Z.)
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6
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Fan J, Li Q, Liang J, Chen Z, Chen L, Lai J, Chen Q. Regulation of IFNβ expression: focusing on the role of its promoter and transcription regulators. Front Microbiol 2023; 14:1158777. [PMID: 37396372 PMCID: PMC10309559 DOI: 10.3389/fmicb.2023.1158777] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2023] [Accepted: 05/23/2023] [Indexed: 07/04/2023] Open
Abstract
IFNβ is a single-copy gene without an intron. Under normal circumstances, it shows low or no expression in cells. It is upregulated only when the body needs it or is stimulated. Stimuli bind to the pattern recognition receptors (PRRs) and pass via various signaling pathways to several basic transcriptional regulators, such as IRFs, NF-кB, and AP-1. Subsequently, the transcriptional regulators enter the nucleus and bind to regulatory elements of the IFNβ promoter. After various modifications, the position of the nucleosome is altered and the complex is assembled to activate the IFNβ expression. However, IFNβ regulation involves a complex network. For the study of immunity and diseases, it is important to understand how transcription factors bind to regulatory elements through specific forms, which elements in cells are involved in regulation, what regulation occurs during the assembly of enhancers and transcription complexes, and the possible regulatory mechanisms after transcription. Thus, this review focuses on the various regulatory mechanisms and elements involved in the activation of IFNβ expression. In addition, we discuss the impact of this regulation in biology.
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Affiliation(s)
- Jiqiang Fan
- Fujian Key Laboratory of Innate Immune Biology, Biomedical Research Center of South China, Fujian Normal University, Fuzhou, China
| | - Qiumei Li
- Fujian Key Laboratory of Innate Immune Biology, Biomedical Research Center of South China, Fujian Normal University, Fuzhou, China
| | - Jiadi Liang
- Fujian Key Laboratory of Innate Immune Biology, Biomedical Research Center of South China, Fujian Normal University, Fuzhou, China
| | - Zhirong Chen
- Fujian Key Laboratory of Innate Immune Biology, Biomedical Research Center of South China, Fujian Normal University, Fuzhou, China
| | - Linqin Chen
- Fujian Key Laboratory of Innate Immune Biology, Biomedical Research Center of South China, Fujian Normal University, Fuzhou, China
| | - Junzhong Lai
- The Cancer Center, Union Hospital, Fujian Medical University, Fuzhou, China
| | - Qi Chen
- Fujian Key Laboratory of Innate Immune Biology, Biomedical Research Center of South China, Fujian Normal University, Fuzhou, China
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7
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Wang M, Song J, Gao C, Yu C, Qin C, Lang Y, Xu A, Liu Y, Feng W, Tang J, Zhang R. UHRF1 Deficiency Inhibits Alphaherpesvirus through Inducing RIG-I-IRF3-Mediated Interferon Production. J Virol 2023; 97:e0013423. [PMID: 36916938 PMCID: PMC10062162 DOI: 10.1128/jvi.00134-23] [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: 01/23/2023] [Accepted: 02/14/2023] [Indexed: 03/16/2023] Open
Abstract
Type I interferon (IFN-I) response plays a prominent role in innate immunity, which is frequently modulated during viral infection. Here, we report DNA methylation regulator UHRF1 as a potent negative regulator of IFN-I induction during alphaherpesvirus infection, whereas the viruses in turn regulates the transcriptional expression of UHRF1. Knockdown of UHRF1 in cells significantly increases interferon-β (IFN-β)-mediated gene transcription and viral inhibition against herpes simplex virus 1 (HSV1) and pseudorabies virus (PRV). Mechanistically, UHRF1 deficiency promotes IFN-I production by triggering dsRNA-sensing receptor RIG-I and activating IRF3 phosphorylation. Knockdown of UHRF1 in cells upregulates the accumulation of double-stranded RNA (dsRNA), including host endogenous retroviral sequence (ERV) transcripts, while the treatment of RNase III, known to specifically digest dsRNA, prevents IFN-β induction by siUHRF1. Furthermore, the double-knockdown assay of UHRF1 and DNA methyltransferase DNMT1 suggests that siUHRF1-mediated DNA demethylation may play an important role in dsRNA accumulation and subsequently IFN induction. These findings establish the essential role of UHRF1 in IFN-I-induced antiviral immunity and reveal UHRF1 as a potential antivrial target. IMPORTANCE Alphaherpesviruses can establish lifelong infections and cause many diseases in humans and animals, which rely partly on their interaction with IFN-mediated innate immune response. Using alphaherpesviruses PRV and HSV-1 as models, we identified an essential role of DNA methylation regulator UHRF1 in IFN-mediated immunity against virus replication, which unravels a novel mechanism employed by epigenetic factor to control IFN-mediated antiviral immune response and highlight UHRF1, which might be a potential target for antiviral drug development.
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Affiliation(s)
- Mengdong Wang
- National Key Laboratory of Veterinary Public Health Security, College of Veterinary Medicine, China Agricultural University, Beijing, China
| | - Jingjing Song
- National Key Laboratory of Veterinary Public Health Security, College of Veterinary Medicine, China Agricultural University, Beijing, China
| | - Chao Gao
- National Key Laboratory of Veterinary Public Health Security, College of Veterinary Medicine, China Agricultural University, Beijing, China
| | - Cuilian Yu
- College of Laboratory Animal & Shandong Laboratory Animal Center, Shandong First Medical University & Shandong Academy of Medical Sciences, Jinan, China
| | - Chao Qin
- National Key Laboratory of Veterinary Public Health Security, College of Veterinary Medicine, China Agricultural University, Beijing, China
| | - Yue Lang
- National Key Laboratory of Veterinary Public Health Security, College of Veterinary Medicine, China Agricultural University, Beijing, China
| | - Aotian Xu
- National Key Laboratory of Veterinary Public Health Security, College of Veterinary Medicine, China Agricultural University, Beijing, China
| | - Yun Liu
- National Key Laboratory of Veterinary Public Health Security, College of Veterinary Medicine, China Agricultural University, Beijing, China
| | - Wenhai Feng
- College of Biology, China Agricultural University, Beijing, China
| | - Jun Tang
- National Key Laboratory of Veterinary Public Health Security, College of Veterinary Medicine, China Agricultural University, Beijing, China
| | - Rui Zhang
- National Key Laboratory of Veterinary Public Health Security, College of Veterinary Medicine, China Agricultural University, Beijing, China
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8
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Van Eyndhoven LC, Verberne VPG, Bouten CVC, Singh A, Tel J. Transiently heritable fates and quorum sensing drive early IFN-I response dynamics. eLife 2023; 12:83055. [PMID: 36629318 PMCID: PMC9910831 DOI: 10.7554/elife.83055] [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: 08/30/2022] [Accepted: 01/10/2023] [Indexed: 01/12/2023] Open
Abstract
Type I interferon (IFN-I)-mediated antiviral responses are central to host defense against viral infections. Crucial is the tight and well-orchestrated control of cellular decision-making leading to the production of IFN-Is. Innovative single-cell approaches revealed that the initiation of IFN-I production is limited to only fractions of 1-3% of the total population, both found in vitro, in vivo, and across cell types, which were thought to be stochastically regulated. To challenge this dogma, we addressed the influence of various stochastic and deterministic host-intrinsic factors on dictating early IFN-I responses, using a murine fibroblast reporter model. Epigenetic drugs influenced the percentage of responding cells. Next, with the classical Luria-Delbrück fluctuation test, we provided evidence for transient heritability driving responder fates, which was verified with mathematical modeling. Finally, while studying varying cell densities, we substantiated an important role for cell density in dictating responsiveness, similar to the phenomenon of quorum sensing. Together, this systems immunology approach opens up new avenues to progress the fundamental understanding on cellular decision-making during early IFN-I responses, which can be translated to other (immune) signaling systems.
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Affiliation(s)
- Laura C Van Eyndhoven
- Laboratory of Immunoengineering, Department of Biomedical Engineering, Eindhoven University of TechnologyEindhovenNetherlands
- Institute for Complex Molecular Systems (ICMS), Eindhoven University of TechnologyEindhovenNetherlands
| | - Vincent PG Verberne
- Laboratory of Immunoengineering, Department of Biomedical Engineering, Eindhoven University of TechnologyEindhovenNetherlands
- Institute for Complex Molecular Systems (ICMS), Eindhoven University of TechnologyEindhovenNetherlands
| | - Carlijn VC Bouten
- Institute for Complex Molecular Systems (ICMS), Eindhoven University of TechnologyEindhovenNetherlands
- Department of Biomedical Engineering, Eindhoven University of TechnologyEindhovenNetherlands
| | - Abhyudai Singh
- Department of Electrical and Computer Engineering, University of DelawareNewarkUnited States
| | - Jurjen Tel
- Laboratory of Immunoengineering, Department of Biomedical Engineering, Eindhoven University of TechnologyEindhovenNetherlands
- Institute for Complex Molecular Systems (ICMS), Eindhoven University of TechnologyEindhovenNetherlands
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9
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Saeki N, Inoue K, Ideta-Otsuka M, Watamori K, Mizuki S, Takenaka K, Igarashi K, Miura H, Takeda S, Imai Y. Epigenetic regulator UHRF1 suppressively orchestrates pro-inflammatory gene expression in rheumatoid arthritis. J Clin Invest 2022; 132:150533. [PMID: 35472067 PMCID: PMC9151705 DOI: 10.1172/jci150533] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2021] [Accepted: 04/19/2022] [Indexed: 11/17/2022] Open
Abstract
Rheumatoid arthritis (RA) is characterized by chronic synovial inflammation with aberrant epigenetic alterations, eventually leading to joint destruction. However, the epigenetic regulatory mechanisms underlying RA pathogenesis remain largely unknown. Here we showed that Ubiquitin-like containing PHD and RING finger domains 1 (UHRF1) is a central epigenetic regulator that suppressively orchestrates multiple pathogeneses in RA. UHRF1 expression was remarkably up-regulated in synovial fibroblasts (SF) from arthritis model mice and RA patients. Mice with SF-specific Uhrf1 conditional knockout showed more severe arthritic phenotypes than littermate control. Uhrf1-deficient SF also exhibited enhanced apoptosis resistance and up-regulated expression of several cytokines including Ccl20. In RA patients, DAS28, CRP, and Th17 accumulation as well as apoptosis resistance were negatively correlated with UHRF1 expression in synovium. Finally, Ryuvidine administration that stabilizes UHRF1 ameliorated arthritis pathogeneses in a mouse model of RA. This study demonstrated that UHRF1 expressed in RA SF can contribute to negative feedback mechanisms that suppress multiple pathogenic events in arthritis, suggesting that targeting UHRF1 could be one of the therapeutic strategies for RA.
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Affiliation(s)
- Noritaka Saeki
- Division of Laboratory Animal Research, Ehime University, Toon, Japan
| | - Kazuki Inoue
- Nankai International Advanced Research Institute (Shenzhen Futian), Nankai University, Shenzhen, China
| | - Maky Ideta-Otsuka
- Laboratory of Instrumental Analysis, School of Pharmacy and Pharmaceutical Sciences, Hoshi University, Tokyo, Japan
| | - Kunihiko Watamori
- Department of Bone and Joint Surgery, Ehime University Graduate School of Medicine, Ehime, Japan
| | - Shinichi Mizuki
- The Center for Rheumatic Diseases, Matsuyama Red Cross Hospital, Matsuyama, Japan
| | - Katsuto Takenaka
- Department of Hematology, Clinical Immunology and Infectious Diseases, Ehime University Graduate School of Medicine, Ehime, Japan
| | - Katsuhide Igarashi
- Laboratory of Biofunctional Science, School of Pharmacy and Pharmaceutical Sciences, Hoshi University, Tokyo, Japan
| | - Hiromasa Miura
- Department of Bone and Joint Surgery, Ehime University Graduate School of Medicine, Ehime, Japan
| | - Shu Takeda
- Division of Endocrinology, Toranomon Hospital Endocrine Center, Tokyo, Japan
| | - Yuuki Imai
- Division of Laboratory Animal Research, Ehime University, Toon, Japan
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10
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A Novel Cognition of Decitabine: Insights into Immunomodulation and Antiviral Effects. Molecules 2022; 27:molecules27061973. [PMID: 35335337 PMCID: PMC8950928 DOI: 10.3390/molecules27061973] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/21/2022] [Revised: 03/14/2022] [Accepted: 03/15/2022] [Indexed: 02/04/2023] Open
Abstract
DNA methylation, as one of the major means of epigenesis change, makes a large difference in the spatial structure of chromatin, transposable element activity and, fundamentally, gene transcription. It has been confirmed that DNA methylation is closely related to innate immune responses. Decitabine, the most efficient available DNA methyltransferase inhibitor, has demonstrated exhilarating immune activation and antiviral effects on multiple viruses, including HIV, HBV, HCV, HPV and EHV1. This review considers the role of decitabine in regulating innate immune responses and antiviral ability. Understanding the complex transcriptional and immune regulation of decitabine could help to identify and validate therapeutic methods to reduce pathogen infection-associated morbidity, especially virus infection-induced morbidity and mortality.
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11
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Pennemann FL, Mussabekova A, Urban C, Stukalov A, Andersen LL, Grass V, Lavacca TM, Holze C, Oubraham L, Benamrouche Y, Girardi E, Boulos RE, Hartmann R, Superti-Furga G, Habjan M, Imler JL, Meignin C, Pichlmair A. Cross-species analysis of viral nucleic acid interacting proteins identifies TAOKs as innate immune regulators. Nat Commun 2021; 12:7009. [PMID: 34853303 PMCID: PMC8636641 DOI: 10.1038/s41467-021-27192-w] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2021] [Accepted: 11/02/2021] [Indexed: 12/11/2022] Open
Abstract
The cell intrinsic antiviral response of multicellular organisms developed over millions of years and critically relies on the ability to sense and eliminate viral nucleic acids. Here we use an affinity proteomics approach in evolutionary distant species (human, mouse and fly) to identify proteins that are conserved in their ability to associate with diverse viral nucleic acids. This approach shows a core of orthologous proteins targeting viral genetic material and species-specific interactions. Functional characterization of the influence of 181 candidates on replication of 6 distinct viruses in human cells and flies identifies 128 nucleic acid binding proteins with an impact on virus growth. We identify the family of TAO kinases (TAOK1, -2 and -3) as dsRNA-interacting antiviral proteins and show their requirement for type-I interferon induction. Depletion of TAO kinases in mammals or flies leads to an impaired response to virus infection characterized by a reduced induction of interferon stimulated genes in mammals and impaired expression of srg1 and diedel in flies. Overall, our study shows a larger set of proteins able to mediate the interaction between viral genetic material and host factors than anticipated so far, attesting to the ancestral roots of innate immunity and to the lineage-specific pressures exerted by viruses.
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Affiliation(s)
- Friederike L Pennemann
- Technical University of Munich, School of Medicine, Institute of Virology, 81675, Munich, Germany
| | - Assel Mussabekova
- Université de Strasbourg, CNRS UPR9022, Institut de Biologie Moléculaire et Cellulaire, Strasbourg, France
| | - Christian Urban
- Technical University of Munich, School of Medicine, Institute of Virology, 81675, Munich, Germany
| | - Alexey Stukalov
- Technical University of Munich, School of Medicine, Institute of Virology, 81675, Munich, Germany
| | - Line Lykke Andersen
- Technical University of Munich, School of Medicine, Institute of Virology, 81675, Munich, Germany
| | - Vincent Grass
- Technical University of Munich, School of Medicine, Institute of Virology, 81675, Munich, Germany
| | - Teresa Maria Lavacca
- Technical University of Munich, School of Medicine, Institute of Virology, 81675, Munich, Germany
| | - Cathleen Holze
- Innate Immunity Laboratory, Max-Planck Institute of Biochemistry, Martinsried, 82152, Germany
| | - Lila Oubraham
- Technical University of Munich, School of Medicine, Institute of Virology, 81675, Munich, Germany
| | - Yasmine Benamrouche
- Université de Strasbourg, CNRS UPR9022, Institut de Biologie Moléculaire et Cellulaire, Strasbourg, France
| | - Enrico Girardi
- CeMM - Center for Molecular Medicine of the Austrian Academy of Sciences, 1090, Vienna, Austria
| | - Rasha E Boulos
- Computer Science and Mathematics Department, School of Arts and Science, Lebanese American University, Byblos, Lebanon
| | - Rune Hartmann
- Aarhus University, Department of Molecular Biology and Genetics - Structural Biology, Aarhus, Denmark
| | - Giulio Superti-Furga
- CeMM - Center for Molecular Medicine of the Austrian Academy of Sciences, 1090, Vienna, Austria
- Center for Physiology and Pharmacology, Medical University of Vienna, Vienna, Austria
| | - Matthias Habjan
- Innate Immunity Laboratory, Max-Planck Institute of Biochemistry, Martinsried, 82152, Germany
| | - Jean-Luc Imler
- Université de Strasbourg, CNRS UPR9022, Institut de Biologie Moléculaire et Cellulaire, Strasbourg, France
| | - Carine Meignin
- Université de Strasbourg, CNRS UPR9022, Institut de Biologie Moléculaire et Cellulaire, Strasbourg, France
| | - Andreas Pichlmair
- Technical University of Munich, School of Medicine, Institute of Virology, 81675, Munich, Germany.
- Innate Immunity Laboratory, Max-Planck Institute of Biochemistry, Martinsried, 82152, Germany.
- German Center for Infection Research (DZIF), Munich partner site, Munich, Germany.
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Abstract
The three classes of interferons (IFNs) share the ability to inhibit viral replication, activating cell transcriptional programs that regulate both innate and adaptive responses to viral and intracellular bacterial challenge. Due to their unique potency in regulating viral replication, and their association with numerous autoimmune diseases, the tightly orchestrated transcriptional regulation of IFNs has long been a subject of intense investigation. The protective role of early robust IFN responses in the context of infection with SARS-CoV-2 has further underscored the relevance of these pathways. In this viewpoint, rather than focusing on the downstream effects of IFN signaling (which have been extensively reviewed elsewhere), we will summarize the historical and current understanding of the stepwise assembly and function of factors that regulate IFNβ enhancer activity (the "enhanceosome") and highlight opportunities for deeper understanding of the transcriptional control of the ifnb gene.
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Affiliation(s)
- Andrew W Daman
- Department of Pathology, Weill Cornell Medicine, New York, NY
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