1
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Dai Y, Idorn M, Serrero MC, Pan X, Thomsen EA, Narita R, Maimaitili M, Qian X, Iversen MB, Reinert LS, Flygaard RK, Chen M, Ding X, Zhang BC, Carter-Timofte ME, Lu Q, Jiang Z, Zhong Y, Zhang S, Da L, Zhu J, Denham M, Nissen P, Mogensen TH, Mikkelsen JG, Zhang SY, Casanova JL, Cai Y, Paludan SR. TMEFF1 is a neuron-specific restriction factor for herpes simplex virus. Nature 2024; 632:383-389. [PMID: 39048823 DOI: 10.1038/s41586-024-07670-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/09/2022] [Accepted: 06/04/2024] [Indexed: 07/27/2024]
Abstract
The brain is highly sensitive to damage caused by infection and inflammation1,2. Herpes simplex virus 1 (HSV-1) is a neurotropic virus and the cause of herpes simplex encephalitis3. It is unknown whether neuron-specific antiviral factors control virus replication to prevent infection and excessive inflammatory responses, hence protecting the brain. Here we identify TMEFF1 as an HSV-1 restriction factor using genome-wide CRISPR screening. TMEFF1 is expressed specifically in neurons of the central nervous system and is not regulated by type I interferon, the best-known innate antiviral system controlling virus infections. Depletion of TMEFF1 in stem-cell-derived human neurons led to elevated viral replication and neuronal death following HSV-1 infection. TMEFF1 blocked the HSV-1 replication cycle at the level of viral entry through interactions with nectin-1 and non-muscle myosin heavy chains IIA and IIB, which are core proteins in virus-cell binding and virus-cell fusion, respectively4-6. Notably, Tmeff1-/- mice exhibited increased susceptibility to HSV-1 infection in the brain but not in the periphery. Within the brain, elevated viral load was observed specifically in neurons. Our study identifies TMEFF1 as a neuron-specific restriction factor essential for prevention of HSV-1 replication in the central nervous system.
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Affiliation(s)
- Yao Dai
- Key Laboratory of Systems Biomedicine (Ministry of Education), Shanghai Center for Systems Biomedicine, Shanghai Jiao Tong University, Shanghai, China
| | - Manja Idorn
- Department of Biomedicine, Aarhus University, Aarhus, Denmark
- Center for Immunology of Viral Infections, Aarhus, Denmark
| | - Manutea C Serrero
- Department of Biomedicine, Aarhus University, Aarhus, Denmark
- Center for Immunology of Viral Infections, Aarhus, Denmark
| | - Xiaoyong Pan
- Key Laboratory of System Control and Information Processing (Ministry of Education), Institute of Image Processing and Pattern Recognition, Shanghai Jiao Tong University, Shanghai, China
| | - Emil A Thomsen
- Department of Biomedicine, Aarhus University, Aarhus, Denmark
- Center for Immunology of Viral Infections, Aarhus, Denmark
| | - Ryo Narita
- Department of Biomedicine, Aarhus University, Aarhus, Denmark
- Center for Immunology of Viral Infections, Aarhus, Denmark
| | - Muyesier Maimaitili
- Department of Biomedicine, Aarhus University, Aarhus, Denmark
- Center for Immunology of Viral Infections, Aarhus, Denmark
| | - Xiaoqing Qian
- School of Biomedical Engineering, Shanghai Jiao Tong University, Shanghai, China
| | - Marie B Iversen
- Department of Biomedicine, Aarhus University, Aarhus, Denmark
- Center for Immunology of Viral Infections, Aarhus, Denmark
| | - Line S Reinert
- Department of Biomedicine, Aarhus University, Aarhus, Denmark
- Center for Immunology of Viral Infections, Aarhus, Denmark
| | - Rasmus K Flygaard
- Department of Molecular Biology and Genetics, Aarhus University, Aarhus, Denmark
| | - Muwan Chen
- Department of Biomedicine, Aarhus University, Aarhus, Denmark
- Center for Immunology of Viral Infections, Aarhus, Denmark
- Danish Research Institute of Translational Neuroscience, Nordic EMBL Partnership for Molecular Medicine, Aarhus University, Aarhus, Denmark
| | - Xiangning Ding
- Department of Biomedicine, Aarhus University, Aarhus, Denmark
- Center for Immunology of Viral Infections, Aarhus, Denmark
| | - Bao-Cun Zhang
- Department of Biomedicine, Aarhus University, Aarhus, Denmark
- Center for Immunology of Viral Infections, Aarhus, Denmark
| | - Madalina E Carter-Timofte
- Department of Biomedicine, Aarhus University, Aarhus, Denmark
- Center for Immunology of Viral Infections, Aarhus, Denmark
| | - Qing Lu
- Key Laboratory for the Genetics of Developmental and Neuropsychiatric Disorders, Ministry of Education, Bio-X Institutes, Shanghai Jiao Tong University, Shanghai, China
| | - Zhuofan Jiang
- Key Laboratory of Systems Biomedicine (Ministry of Education), Shanghai Center for Systems Biomedicine, Shanghai Jiao Tong University, Shanghai, China
| | - Yiye Zhong
- Key Laboratory of Systems Biomedicine (Ministry of Education), Shanghai Center for Systems Biomedicine, Shanghai Jiao Tong University, Shanghai, China
| | - Shuhui Zhang
- Key Laboratory of Systems Biomedicine (Ministry of Education), Shanghai Center for Systems Biomedicine, Shanghai Jiao Tong University, Shanghai, China
| | - Lintai Da
- Key Laboratory of Systems Biomedicine (Ministry of Education), Shanghai Center for Systems Biomedicine, Shanghai Jiao Tong University, Shanghai, China
| | - Jinwei Zhu
- Key Laboratory for the Genetics of Developmental and Neuropsychiatric Disorders, Ministry of Education, Bio-X Institutes, Shanghai Jiao Tong University, Shanghai, China
| | - Mark Denham
- Department of Biomedicine, Aarhus University, Aarhus, Denmark
- Danish Research Institute of Translational Neuroscience, Nordic EMBL Partnership for Molecular Medicine, Aarhus University, Aarhus, Denmark
| | - Poul Nissen
- Department of Molecular Biology and Genetics, Aarhus University, Aarhus, Denmark
- Danish Research Institute of Translational Neuroscience, Nordic EMBL Partnership for Molecular Medicine, Aarhus University, Aarhus, Denmark
| | - Trine H Mogensen
- Department of Biomedicine, Aarhus University, Aarhus, Denmark
- Center for Immunology of Viral Infections, Aarhus, Denmark
- Department of Infectious Diseases, Aarhus University Hospital, Aarhus, Denmark
| | - Jacob Giehm Mikkelsen
- Department of Biomedicine, Aarhus University, Aarhus, Denmark
- Center for Immunology of Viral Infections, Aarhus, Denmark
| | - Shen-Ying Zhang
- University of Paris, Imagine Institute, Paris, France
- St. Giles Laboratory of Human Genetics of Infectious Diseases, The Rockefeller University, New York, NY, USA
| | - Jean-Laurent Casanova
- University of Paris, Imagine Institute, Paris, France
- St. Giles Laboratory of Human Genetics of Infectious Diseases, The Rockefeller University, New York, NY, USA
- Laboratory of Human Genetics of Infectious Diseases, INSERM U1163, Necker Hospital for Sick Children, Paris, France
- Howard Hughes Medical Institute, New York, NY, USA
| | - Yujia Cai
- Key Laboratory of Systems Biomedicine (Ministry of Education), Shanghai Center for Systems Biomedicine, Shanghai Jiao Tong University, Shanghai, China.
- Department of Biomedicine, Aarhus University, Aarhus, Denmark.
| | - Søren R Paludan
- Department of Biomedicine, Aarhus University, Aarhus, Denmark.
- Center for Immunology of Viral Infections, Aarhus, Denmark.
- Department of Rheumatology and Inflammation Research, Institute of Medicine, Sahlgrenska Academy, University of Gothenburg, Göteborg, Sweden.
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2
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Yang W, Tang CY, Fan DY, Wang YS, Wang PG, An J, Luan GM. Mice with type I interferon signaling deficiency are prone to epilepsy upon HSV-1 infection. Virol Sin 2024; 39:251-263. [PMID: 38219860 PMCID: PMC11074648 DOI: 10.1016/j.virs.2024.01.002] [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: 08/09/2023] [Accepted: 01/09/2024] [Indexed: 01/16/2024] Open
Abstract
Viral encephalitis continues to be a significant public health concern. In our previous study, we discovered a lower expression of antiviral factors, such as IFN-β, STING and IFI16, in the brain tissues of patients with Rasmussen's encephalitis (RE), a rare chronic neurological disorder often occurred in children, characterized by unihemispheric brain atrophy. Furthermore, a higher cumulative viral score of human herpes viruses (HHVs) was also found to have a significant positive correlation with the unihemispheric atrophy in RE. Type I IFNs (IFN-I) signaling is essential for innate anti-infection response by binding to IFN-α/β receptor (IFNAR). In this study, we infected WT mice and IFNAR-deficient A6 mice with herpes simplex virus 1 (HSV-1) via periocular injection to investigate the relationship between IFN-I signaling and HHVs-induced brain lesions. While all mice exhibited typical viral encephalitis lesions in their brains, HSV-induced epilepsy was only observed in A6 mice. The gene expression matrix, functional enrichment analysis and protein-protein interaction network revealed four gene models that were positively related with HSV-induced epilepsy. Additionally, ten key genes with the highest scores were identified. Taken together, these findings indicate that intact IFN-I signaling can effectively limit HHVs induced neural symptoms and brain lesions, thereby confirming the positive correlation between IFN-I signaling repression and brain atrophy in RE and other HHVs encephalitis.
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MESH Headings
- Animals
- Female
- Mice
- Brain/pathology
- Brain/virology
- Disease Models, Animal
- Encephalitis, Herpes Simplex/virology
- Encephalitis, Herpes Simplex/immunology
- Encephalitis, Herpes Simplex/pathology
- Epilepsy/virology
- Epilepsy/pathology
- Herpes Simplex/virology
- Herpes Simplex/pathology
- Herpes Simplex/immunology
- Herpesvirus 1, Human/pathogenicity
- Herpesvirus 1, Human/immunology
- Interferon Type I/metabolism
- Interferon Type I/immunology
- Mice, Inbred C57BL
- Mice, Knockout
- Protein Interaction Maps
- Receptor, Interferon alpha-beta/genetics
- Receptor, Interferon alpha-beta/deficiency
- Signal Transduction
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Affiliation(s)
- Wei Yang
- Beijing Key Laboratory of Epilepsy, Sanbo Brain Hospital, Capital Medical University, Beijing, 100093, China; Beijing Institute for Brain Disorders, Capital Medical University, Beijing, 100093, China
| | - Chong-Yang Tang
- Department of Neurosurgery, Epilepsy Center, Sanbo Brain Hospital, Capital Medical University, Beijing, 100093, China
| | - Dong-Ying Fan
- Department of Microbiology, School of Basic Medical Sciences, Capital Medical University, Beijing, 100069, China
| | - Yi-Song Wang
- Department of Microbiology, School of Basic Medical Sciences, Capital Medical University, Beijing, 100069, China
| | - Pei-Gang Wang
- Department of Microbiology, School of Basic Medical Sciences, Capital Medical University, Beijing, 100069, China
| | - Jing An
- Beijing Institute for Brain Disorders, Capital Medical University, Beijing, 100093, China; Department of Microbiology, School of Basic Medical Sciences, Capital Medical University, Beijing, 100069, China
| | - Guo-Ming Luan
- Beijing Key Laboratory of Epilepsy, Sanbo Brain Hospital, Capital Medical University, Beijing, 100093, China; Beijing Institute for Brain Disorders, Capital Medical University, Beijing, 100093, China; Department of Neurosurgery, Epilepsy Center, Sanbo Brain Hospital, Capital Medical University, Beijing, 100093, China; Chinese Institute for Brain Research, Beijing, 102206, China.
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3
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Deng Y, Lin Y, Chen S, Xiang Y, Chen H, Qi S, Oh HS, Das B, Komazin-Meredith G, Pesola JM, Knipe DM, Coen DM, Pan D. Neuronal miR-9 promotes HSV-1 epigenetic silencing and latency by repressing Oct-1 and Onecut family genes. Nat Commun 2024; 15:1991. [PMID: 38443365 PMCID: PMC10914762 DOI: 10.1038/s41467-024-46057-6] [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: 09/15/2023] [Accepted: 02/07/2024] [Indexed: 03/07/2024] Open
Abstract
Herpes simplex virus 1 (HSV-1) latent infection entails repression of viral lytic genes in neurons. By functional screening using luciferase-expressing HSV-1, we identify ten neuron-specific microRNAs potentially repressing HSV-1 neuronal replication. Transfection of miR-9, the most active candidate from the screen, decreases HSV-1 replication and gene expression in Neuro-2a cells. Ectopic expression of miR-9 from lentivirus or recombinant HSV-1 suppresses HSV-1 replication in male primary mouse neurons in culture and mouse trigeminal ganglia in vivo, and reactivation from latency in the primary neurons. Target prediction and validation identify transcription factors Oct-1, a known co-activator of HSV transcription, and all three Onecut family members as miR-9 targets. Knockdown of ONECUT2 decreases HSV-1 yields in Neuro-2a cells. Overexpression of each ONECUT protein increases HSV-1 replication in Neuro-2a cells, human induced pluripotent stem cell-derived neurons, and primary mouse neurons, and accelerates reactivation from latency in the mouse neurons. Mutagenesis, ChIP-seq, RNA-seq, ChIP-qPCR and ATAC-seq results suggest that ONECUT2 can nonspecifically bind to viral genes via its CUT domain, globally stimulate viral gene transcription, reduce viral heterochromatin and enhance the accessibility of viral chromatin. Thus, neuronal miR-9 promotes viral epigenetic silencing and latency by targeting multiple host transcription factors important for lytic gene activation.
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Affiliation(s)
- Yue Deng
- State Key Laboratory for Diagnosis and Treatment of Infectious Diseases, National Clinical Research Center for Infectious Diseases, Collaborative Innovation Center for Diagnosis and Treatment of Infectious Disease, The First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang, China
- Department of Medical Microbiology and Parasitology, Zhejiang University School of Medicine, Hangzhou, Zhejiang, China
- Zhejiang Provincial Key Laboratory for Microbial Biochemistry and Metabolic Engineering, Hangzhou, Zhejiang, China
| | - Yuqi Lin
- State Key Laboratory for Diagnosis and Treatment of Infectious Diseases, National Clinical Research Center for Infectious Diseases, Collaborative Innovation Center for Diagnosis and Treatment of Infectious Disease, The First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang, China
- Department of Medical Microbiology and Parasitology, Zhejiang University School of Medicine, Hangzhou, Zhejiang, China
- Zhejiang Provincial Key Laboratory for Microbial Biochemistry and Metabolic Engineering, Hangzhou, Zhejiang, China
| | - Siyu Chen
- State Key Laboratory for Diagnosis and Treatment of Infectious Diseases, National Clinical Research Center for Infectious Diseases, Collaborative Innovation Center for Diagnosis and Treatment of Infectious Disease, The First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang, China
- Department of Medical Microbiology and Parasitology, Zhejiang University School of Medicine, Hangzhou, Zhejiang, China
- Zhejiang Provincial Key Laboratory for Microbial Biochemistry and Metabolic Engineering, Hangzhou, Zhejiang, China
| | - Yuhang Xiang
- State Key Laboratory for Diagnosis and Treatment of Infectious Diseases, National Clinical Research Center for Infectious Diseases, Collaborative Innovation Center for Diagnosis and Treatment of Infectious Disease, The First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang, China
- Department of Medical Microbiology and Parasitology, Zhejiang University School of Medicine, Hangzhou, Zhejiang, China
- Zhejiang Provincial Key Laboratory for Microbial Biochemistry and Metabolic Engineering, Hangzhou, Zhejiang, China
| | - Hongjia Chen
- State Key Laboratory for Diagnosis and Treatment of Infectious Diseases, National Clinical Research Center for Infectious Diseases, Collaborative Innovation Center for Diagnosis and Treatment of Infectious Disease, The First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang, China
- Department of Medical Microbiology and Parasitology, Zhejiang University School of Medicine, Hangzhou, Zhejiang, China
- Zhejiang Provincial Key Laboratory for Microbial Biochemistry and Metabolic Engineering, Hangzhou, Zhejiang, China
| | - Shuyuan Qi
- State Key Laboratory for Diagnosis and Treatment of Infectious Diseases, National Clinical Research Center for Infectious Diseases, Collaborative Innovation Center for Diagnosis and Treatment of Infectious Disease, The First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang, China
- Department of Medical Microbiology and Parasitology, Zhejiang University School of Medicine, Hangzhou, Zhejiang, China
- Zhejiang Provincial Key Laboratory for Microbial Biochemistry and Metabolic Engineering, Hangzhou, Zhejiang, China
| | - Hyung Suk Oh
- Department of Microbiology, Blavatnik Institute, Harvard Medical School, Boston, MA, USA
| | - Biswajit Das
- Department of Microbiology, Blavatnik Institute, Harvard Medical School, Boston, MA, USA
- Department of Biological Chemistry and Molecular Pharmacology, Blavatnik Institute, Harvard Medical School, Boston, MA, USA
| | - Gloria Komazin-Meredith
- Department of Biological Chemistry and Molecular Pharmacology, Blavatnik Institute, Harvard Medical School, Boston, MA, USA
- Department of Biochemistry and Molecular Biology, Pennsylvania State University, University Park, PA, USA
| | - Jean M Pesola
- Department of Biological Chemistry and Molecular Pharmacology, Blavatnik Institute, Harvard Medical School, Boston, MA, USA
| | - David M Knipe
- Department of Microbiology, Blavatnik Institute, Harvard Medical School, Boston, MA, USA
| | - Donald M Coen
- Department of Biological Chemistry and Molecular Pharmacology, Blavatnik Institute, Harvard Medical School, Boston, MA, USA
| | - Dongli Pan
- State Key Laboratory for Diagnosis and Treatment of Infectious Diseases, National Clinical Research Center for Infectious Diseases, Collaborative Innovation Center for Diagnosis and Treatment of Infectious Disease, The First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang, China.
- Department of Medical Microbiology and Parasitology, Zhejiang University School of Medicine, Hangzhou, Zhejiang, China.
- Zhejiang Provincial Key Laboratory for Microbial Biochemistry and Metabolic Engineering, Hangzhou, Zhejiang, China.
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4
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Zarrella K, Longmire P, Zeltzer S, Collins-McMillen D, Hancock M, Buehler J, Reitsma JM, Terhune SS, Nelson JA, Goodrum F. Human cytomegalovirus UL138 interaction with USP1 activates STAT1 in infection. PLoS Pathog 2023; 19:e1011185. [PMID: 37289831 PMCID: PMC10284425 DOI: 10.1371/journal.ppat.1011185] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/06/2023] [Revised: 06/21/2023] [Accepted: 05/30/2023] [Indexed: 06/10/2023] Open
Abstract
Innate immune responses are crucial for limiting virus infection. However, viruses often hijack our best defenses for viral objectives. Human Cytomegalovirus (HCMV) is a beta herpesvirus which establishes a life-long latent infection. Defining the virus-host interactions controlling latency and reactivation is vital to the control of viral disease risk posed by virus reactivation. We defined an interaction between UL138, a pro-latency HCMV gene, and the host deubiquitinating complex, UAF1-USP1. UAF1 is a scaffold protein pivotal for the activity of ubiquitin specific peptidases (USP), including USP1. UAF1-USP1 sustains an innate immune response through the phosphorylation and activation of signal transducer and activator of transcription-1 (pSTAT1), as well as regulates the DNA damage response. After the onset of viral DNA synthesis, pSTAT1 levels are elevated in infection and this depends upon UL138 and USP1. pSTAT1 localizes to viral centers of replication, binds to the viral genome, and influences UL138 expression. Inhibition of USP1 results in a failure to establish latency, marked by increased viral genome replication and production of viral progeny. Inhibition of Jak-STAT signaling also results in increased viral genome synthesis in hematopoietic cells, consistent with a role for USP1-mediated regulation of STAT1 signaling in the establishment of latency. These findings demonstrate the importance of the UL138-UAF1-USP1 virus-host interaction in regulating HCMV latency establishment through the control of innate immune signaling. It will be important going forward to distinguish roles of UAF1-USP1 in regulating pSTAT1 relative to its role in the DNA damage response in HCMV infection.
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Affiliation(s)
- Kristen Zarrella
- Department of Immunobiology, University of Arizona, Tucson, Arizona, United States of America
| | - Pierce Longmire
- Department of Immunobiology, University of Arizona, Tucson, Arizona, United States of America
| | - Sebastian Zeltzer
- BIO5 Institute, University of Arizona, Tucson, Arizona, United States of America
| | | | - Meaghan Hancock
- Vaccine and Gene Therapy Institute, Oregon Health and Science University, Beaverton, Oregon, United States of America
| | - Jason Buehler
- Imanis Life Sciences, Rochester, Minnesota, United States of America
| | - Justin M. Reitsma
- Department of Microbiology and Immunology, Medical College of Wisconsin, Milwaukee, Wisconsin, United States of America
- Abbvie, Chicago, Illinois, United States of America
| | - Scott S. Terhune
- Department of Microbiology and Immunology, Medical College of Wisconsin, Milwaukee, Wisconsin, United States of America
| | - Jay A. Nelson
- Vaccine and Gene Therapy Institute, Oregon Health and Science University, Beaverton, Oregon, United States of America
| | - Felicia Goodrum
- Department of Immunobiology, University of Arizona, Tucson, Arizona, United States of America
- BIO5 Institute, University of Arizona, Tucson, Arizona, United States of America
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5
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Cuddy SR, Cliffe AR. The Intersection of Innate Immune Pathways with the Latent Herpes Simplex Virus Genome. J Virol 2023; 97:e0135222. [PMID: 37129520 PMCID: PMC10231182 DOI: 10.1128/jvi.01352-22] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/12/2023] [Accepted: 04/07/2023] [Indexed: 05/03/2023] Open
Abstract
Innate immune responses can impact different stages of viral life cycles. Herpes simplex virus latent infection of neurons and subsequent reactivation provide a unique context for immune responses to intersect with different stages of infection. Here, we discuss recent findings linking neuronal innate immune pathways with the modulation of latent infection, acting at the time of reactivation and during initial neuronal infection to have a long-term impact on the ability of the virus to reactivate.
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Affiliation(s)
- Sean R. Cuddy
- Neuroscience Graduate Program, University of Virginia, Charlottesville, Virginia, USA
| | - Anna R. Cliffe
- Department of Microbiology, Immunology and Cancer Biology, University of Virginia, Charlottesville, Virginia, USA
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6
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Zarrella K, Longmire P, Zeltzer S, Collins-McMillen D, Hancock M, Buehler J, Reitsma JM, Terhune SS, Nelson JA, Goodrum F. Human Cytomegalovirus UL138 Interaction with USP1 Activates STAT1 in infection. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2023:2023.02.07.527452. [PMID: 36798153 PMCID: PMC9934528 DOI: 10.1101/2023.02.07.527452] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/10/2023]
Abstract
Innate immune responses are crucial for limiting virus infection. However, viruses often hijack our best defenses for viral objectives. Human Cytomegalovirus (HCMV) is a beta herpesvirus which establishes a life-long latent infection. Defining the virus-host interactions controlling latency and reactivation is vital to the control of viral disease risk posed by virus reactivation. We defined an interaction between UL138, a pro-latency HCMV gene, and the host deubiquintase complex, UAF1-USP1. UAF1 is a scaffold protein pivotal for the activity of ubiquitin specific peptidases (USP), including USP1. UAF1-USP1 sustains an innate immune response through the phosphorylation and activation of signal transducer and activator of transcription-1 (pSTAT1), as well as regulates the DNA damage response. After the onset of viral DNA synthesis, pSTAT1 levels are elevated and this depends upon UL138 and USP1. pSTAT1 localizes to viral centers of replication, binds to the viral genome, and influences UL138 expression. Inhibition of USP1 results in a failure to establish latency, marked by increased viral genome replication and production of viral progeny. Inhibition of Jak-STAT signaling also results in increased viral genome synthesis in hematopoietic cells, consistent with a role for USP1-mediated regulation of STAT1 signaling in the establishment of latency. These findings demonstrate the importance of the UL138-UAF1-USP1 virus-host interaction in regulating HCMV latency establishment through the control of innate immune signaling. It will be important going forward to distinguish roles of UAF1-USP1 in regulating pSTAT1 relative to its role in the DNA damage response in HCMV infection. Importance Human cytomegalovirus (HCMV) is one of nine herpesviruses that infect humans. Following a primary infection, HCMV establishes a life-long latent infection that is marked by sporadic, and likely frequent reactivation events. While these reactivation events are asymptomatic in the immune competent host, they pose important disease risks for the immune compromised, including solid organ or stem cell transplant recipients. Its complex interactions with host biology and deep coding capacity make it an excellent model for defining mechanisms important for viral latency and reactivation. Here we define an interaction with host proteins that commandeer typically antiviral innate immune signaling for the establishment of latency.
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Affiliation(s)
- Kristen Zarrella
- Department of Immunobiology, University of Arizona, Tucson, AZ 85721
| | - Pierce Longmire
- Department of Immunobiology, University of Arizona, Tucson, AZ 85721
| | | | | | - Meaghan Hancock
- Vaccine and Gene Therapy Institute, Oregon Health and Science University, Beaverton, OR 97006
| | - Jason Buehler
- Vaccine and Gene Therapy Institute, Oregon Health and Science University, Beaverton, OR 97006
| | - Justin M Reitsma
- Department of Microbiology and Immunology, Medical College of Wisconsin, Milwaukee, WI 53226
- Abbvie, 1 N Waukegan Rd, North Chicago, IL 60064
| | - Scott S Terhune
- Department of Microbiology and Immunology, Medical College of Wisconsin, Milwaukee, WI 53226
| | - Jay A Nelson
- Vaccine and Gene Therapy Institute, Oregon Health and Science University, Beaverton, OR 97006
| | - Felicia Goodrum
- Department of Immunobiology, University of Arizona, Tucson, AZ 85721
- BIO5 Institute, University of Arizona, Tucson, AZ 85721
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7
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Mielcarska MB, Skowrońska K, Wyżewski Z, Toka FN. Disrupting Neurons and Glial Cells Oneness in the Brain-The Possible Causal Role of Herpes Simplex Virus Type 1 (HSV-1) in Alzheimer's Disease. Int J Mol Sci 2021; 23:ijms23010242. [PMID: 35008671 PMCID: PMC8745046 DOI: 10.3390/ijms23010242] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/27/2021] [Revised: 12/21/2021] [Accepted: 12/22/2021] [Indexed: 12/15/2022] Open
Abstract
Current data strongly suggest herpes simplex virus type 1 (HSV-1) infection in the brain as a contributing factor to Alzheimer's disease (AD). The consequences of HSV-1 brain infection are multilateral, not only are neurons and glial cells damaged, but modifications also occur in their environment, preventing the transmission of signals and fulfillment of homeostatic and immune functions, which can greatly contribute to the development of disease. In this review, we discuss the pathological alterations in the central nervous system (CNS) cells that occur, following HSV-1 infection. We describe the changes in neurons, astrocytes, microglia, and oligodendrocytes related to the production of inflammatory factors, transition of glial cells into a reactive state, oxidative damage, Aβ secretion, tau hyperphosphorylation, apoptosis, and autophagy. Further, HSV-1 infection can affect processes observed during brain aging, and advanced age favors HSV-1 reactivation as well as the entry of the virus into the brain. The host activates pattern recognition receptors (PRRs) for an effective antiviral response during HSV-1 brain infection, which primarily engages type I interferons (IFNs). Future studies regarding the influence of innate immune deficits on AD development, as well as supporting the neuroprotective properties of glial cells, would reveal valuable information on how to harness cytotoxic inflammatory milieu to counter AD initiation and progression.
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Affiliation(s)
- Matylda Barbara Mielcarska
- Department of Preclinical Sciences, Institute of Veterinary Sciences, Warsaw University of Life Sciences–SGGW, Jana Ciszewskiego 8, 02-786 Warsaw, Poland;
- Correspondence: ; Tel.: +48-22-59-36063
| | - Katarzyna Skowrońska
- Department of Neurotoxicology, Mossakowski Medical Research Institute, Polish Academy of Sciences, Adolfa Pawińskiego 5, 02-106 Warsaw, Poland;
| | - Zbigniew Wyżewski
- Institute of Biological Sciences, Cardinal Stefan Wyszyński University in Warsaw, Dewajtis 5, 01-815 Warsaw, Poland;
| | - Felix Ngosa Toka
- Department of Preclinical Sciences, Institute of Veterinary Sciences, Warsaw University of Life Sciences–SGGW, Jana Ciszewskiego 8, 02-786 Warsaw, Poland;
- Department of Biomedical Sciences, Ross University School of Veterinary Medicine, Basseterre 42123, Saint Kitts and Nevis
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8
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Interferon Regulatory Factor 3 Supports the Establishment of Chronic Gammaherpesvirus Infection in a Route- and Dose-Dependent Manner. J Virol 2021; 95:JVI.02208-20. [PMID: 33597211 DOI: 10.1128/jvi.02208-20] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2020] [Accepted: 02/10/2021] [Indexed: 12/15/2022] Open
Abstract
Gammaherpesviruses are ubiquitous pathogens that establish lifelong infections and are associated with several malignancies, including B cell lymphomas. Uniquely, these viruses manipulate B cell differentiation to establish long-term latency in memory B cells. This study focuses on the interaction between gammaherpesviruses and interferon regulatory factor 3 (IRF-3), a ubiquitously expressed transcription factor with multiple direct target genes, including beta interferon (IFN-β), a type I IFN. IRF-3 attenuates acute replication of a plethora of viruses, including gammaherpesvirus. Furthermore, IRF-3-driven IFN-β expression is antagonized by the conserved gammaherpesvirus protein kinase during lytic virus replication in vitro In this study, we have uncovered an unexpected proviral role of IRF-3 during chronic gammaherpesvirus infection. In contrast to the antiviral activity of IRF-3 during acute infection, IRF-3 facilitated establishment of latent gammaherpesvirus infection in B cells, particularly, germinal center and activated B cells, the cell types critical for both natural infection and viral lymphomagenesis. This proviral role of IRF-3 was further modified by the route of infection and viral dose. Furthermore, using a combination of viral and host genetics, we show that IRF-3 deficiency does not rescue attenuated chronic infection of a protein kinase null gammaherpesvirus mutant, highlighting the multifunctional nature of the conserved gammaherpesvirus protein kinases in vivo In summary, this study unveils an unexpected proviral nature of the classical innate immune factor, IRF-3, during chronic virus infection.IMPORTANCE Interferon regulatory factor 3 (IRF-3) is a critical component of the innate immune response, in part due to its transactivation of beta interferon (IFN-β) expression. Similar to that observed in all acute virus infections examined to date, IRF-3 suppresses lytic viral replication during acute gammaherpesvirus infection. Because gammaherpesviruses establish lifelong infection, this study aimed to define the antiviral activity of IRF-3 during chronic infection. Surprisingly, we found that, in contrast to acute infection, IRF-3 supported the establishment of gammaherpesvirus latency in splenic B cells, revealing an unexpected proviral nature of this classical innate immune host factor.
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Lee JH, Shim J, Kim SJ. Stunning symmetries involved in the self-assembly of the HSV-1 capsid. THE JOURNAL OF THE KOREAN PHYSICAL SOCIETY 2021; 78:357-364. [PMID: 33584000 PMCID: PMC7871024 DOI: 10.1007/s40042-020-00044-4] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 10/14/2020] [Revised: 10/29/2020] [Accepted: 10/29/2020] [Indexed: 06/12/2023]
Abstract
Herpes simplex virus-1 (HSV-1) is an enveloped dsDNA virus, infecting ~ 67% of humans. Here, we present the essential components of the HSV-1, focusing on stunning symmetries on the capsid. However, little is known about how the symmetries are involved dynamically in the self-assembly process. We suggest small angle X-ray scattering as a suitable method to capture the dynamics of self-assembly. Furthermore, our understanding of the viruses can be expanded by using an integrative approach that combines heterogeneous types of data, thus promoting new diagnostic tools and a cure for viral infections.
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Affiliation(s)
- Joo-hyeon Lee
- Department of Physics, Korea Advanced Institute of Science and Technology (KAIST), Daejeon, 34141 Korea
| | - Jaehyu Shim
- Department of Physics, Korea Advanced Institute of Science and Technology (KAIST), Daejeon, 34141 Korea
| | - Seung Joong Kim
- Department of Physics, Korea Advanced Institute of Science and Technology (KAIST), Daejeon, 34141 Korea
- Department of Biological Sciences, Korea Advanced Institute of Science and Technology (KAIST), Daejeon, 34141 Korea
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Jondle CN, Tarakanova VL. Innate immunity and alpha/gammaherpesviruses: first impressions last a lifetime. Curr Opin Virol 2020; 44:81-89. [PMID: 32777757 DOI: 10.1016/j.coviro.2020.07.002] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2019] [Revised: 06/25/2020] [Accepted: 07/04/2020] [Indexed: 12/26/2022]
Abstract
Innate immune system is considered the first line of defense during viral invasion, with the wealth of the literature demonstrating innate immune control of diverse viruses during acute infection. What is far less clear is the role of innate immune system during chronic virus infections. This short review focuses on alphaherpesviruses and gammaherpesviruses, two highly prevalent herpesvirus subfamilies that, following a brief, once in a lifetime period of acute lytic infection, establish life-long latent infection that is characterized by sporadic reactivation in an immunocompetent host. In spite of many similarities, these two viral families are characterized by distinct cellular tropism and pathogenesis. Here we focus on the published in vivo studies to review known interactions of these two viral subfamilies with the innate immunity of the intact host, both during acute and, particularly, chronic virus infection.
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Affiliation(s)
- Christopher N Jondle
- Department of Microbiology and Immunology, Medical College of Wisconsin, 8701 W Watertown Plank Road, Milwaukee, WI, 53226, United States
| | - Vera L Tarakanova
- Department of Microbiology and Immunology, Medical College of Wisconsin, 8701 W Watertown Plank Road, Milwaukee, WI, 53226, United States; Cancer Center, Medical College of Wisconsin, 8701 Watertown Plank Road, Milwaukee, WI, 53226, United States.
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Disturbed Yin-Yang balance: stress increases the susceptibility to primary and recurrent infections of herpes simplex virus type 1. Acta Pharm Sin B 2020; 10:383-398. [PMID: 32140387 PMCID: PMC7049575 DOI: 10.1016/j.apsb.2019.06.005] [Citation(s) in RCA: 53] [Impact Index Per Article: 13.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2019] [Revised: 05/27/2019] [Accepted: 05/31/2019] [Indexed: 12/19/2022] Open
Abstract
Herpes simplex virus type 1 (HSV-1), a neurotropic herpes virus, is able to establish a lifelong latent infection in the human host. Following primary replication in mucosal epithelial cells, the virus can enter sensory neurons innervating peripheral tissues via nerve termini. The viral genome is then transported to the nucleus where it can be maintained without producing infectious progeny, and thus latency is established in the cell. Yin–Yang balance is an essential concept in traditional Chinese medicine (TCM) theory. Yin represents stable and inhibitory factors, and Yang represents the active and aggressive factors. When the organism is exposed to stress, especially psychological stress caused by emotional stimulation, the Yin–Yang balance is disturbed and the virus can re-engage in productive replication, resulting in recurrent diseases. Therefore, a better understanding of the stress-induced susceptibility to HSV-1 primary infection and reactivation is needed and will provide helpful insights into the effective control and treatment of HSV-1. Here we reviewed the recent advances in the studies of HSV-1 susceptibility, latency and reactivation. We included mechanisms involved in primary infection and the regulation of latency and described how stress-induced changes increase the susceptibility to primary and recurrent infections.
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Key Words
- 4E-BP, eIF4E-binding protein
- AD, Alzheimer's disease
- AKT, protein kinase B
- AMPK, AMP-dependent kinase
- BCL-2, B-cell lymphoma 2
- CNS, central nervous system
- CORT, corticosterone
- CPE, cytopathic effect
- CTCF, CCCTC-binding factor
- CTL, cytotoxic T lymphocyte
- CoREST, REST corepressor 1
- DAMPs, damage-associated molecular patterns
- DCs, dendritic cells
- DEX, dexamethasone
- GREs, GR response elements
- GRs, glucocorticoid receptors
- H3K9, histone H3 on lysines 9
- HCF-1, host cell factor 1
- HDACs, histone deacetylases
- HPA axis, hypothalamo–pituitary–adrenal axis
- HPK, herpetic simplex keratitis
- HPT axis, hypothalamic–pituitary–thyroid axis
- HSV-1
- HSV-1, herpes simplex virus type 1
- Herpes simplex virus type 1
- ICP, infected cell polypeptide
- IRF3, interferon regulatory factor 3
- KLF15, Krüppel-like transcription factor 15
- LAT, latency-associated transcripts
- LRF, Luman/CREB3 recruitment factor
- LSD1, lysine-specific demethylase 1
- Latency
- MAVS, mitochondrial antiviral-signaling protein
- MOI, multiplicity of infection
- ND10, nuclear domains 10
- NGF, nerve growth factor
- NK cells, natural killer cells
- OCT-1, octamer binding protein 1
- ORFs, open reading frames
- PAMPs, pathogen-associated molecular patterns
- PDK1, pyruvate dehydrogenase lipoamide kinase isozyme 1
- PI3K, phosphoinositide 3-kinases
- PML, promyelocytic leukemia protein
- PNS, peripheral nervous system
- PRC1, protein regulator of cytokinesis 1
- PRRs, pattern-recognition receptors
- PTMs, post-translational modifications
- RANKL, receptor activator of NF-κB ligands
- REST, RE1-silencing transcription factor
- ROS, reactive oxygen species
- Reactivation
- SGKs, serum and glucocorticoid-regulated protein kinases
- SIRT1, sirtuin 1
- Stress
- Susceptibility
- T3, thyroid hormone
- TCM, traditional Chinese medicine
- TG, trigeminal ganglia
- TK, thymidine kinase
- TRIM14, tripartite motif-containing 14
- TRKA, tropomyosin receptor kinase A
- TRM, tissue resident memory T cells
- cGAS, cyclic GMP-AMP synthase
- mTOR, mammalian target of rapamycin
- sncRNAs, small non-coding RNAs
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Vaccine-induced antibodies target sequestered viral antigens to prevent ocular HSV-1 pathogenesis, preserve vision, and preempt productive neuronal infection. Mucosal Immunol 2019; 12:827-839. [PMID: 30670763 PMCID: PMC6462227 DOI: 10.1038/s41385-019-0131-y] [Citation(s) in RCA: 22] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2018] [Accepted: 12/30/2018] [Indexed: 02/04/2023]
Abstract
The cornea is essential for vision yet highly sensitive to immune-mediated damage following infection. Generating vaccines that provide sterile immunity against ocular surface pathogens without evoking vision loss is therefore clinically challenging. Here, we tested a prophylactic live-attenuated vaccine against herpes simplex virus type 1 (HSV-1), a widespread human pathogen that can cause corneal blindness. Parenteral vaccination of mice resulted in sterile immunity to subsequent HSV-1 challenge in the cornea and suppressed productive infection of the nervous system. This protection was unmatched by a relevant glycoprotein subunit vaccine. Efficacy of the live-attenuated vaccine involved a T-dependent humoral immune response and complement C3 but not Fcγ-receptor 3 or interferon-α/β signaling. Proteomic analysis of viral proteins recognized by antiserum revealed an unexpected repertoire dominated by sequestered antigens rather than surface-exposed envelope glycoproteins. Ocular HSV-1 challenge in naive and subunit-vaccinated mice triggered vision loss and severe ocular pathologies including corneal opacification, scar formation, neovascularization, and sensation loss. However, corneal pathology was absent in mice receiving the live-attenuated vaccine concomitant with complete preservation of visual acuity. Collectively, this is the first comprehensive report of a prophylactic vaccine candidate that elicits resistance to ocular HSV-1 infection while fully preserving the cornea and visual acuity.
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Tognarelli EI, Palomino TF, Corrales N, Bueno SM, Kalergis AM, González PA. Herpes Simplex Virus Evasion of Early Host Antiviral Responses. Front Cell Infect Microbiol 2019; 9:127. [PMID: 31114761 PMCID: PMC6503643 DOI: 10.3389/fcimb.2019.00127] [Citation(s) in RCA: 72] [Impact Index Per Article: 14.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/21/2019] [Accepted: 04/10/2019] [Indexed: 12/21/2022] Open
Abstract
Herpes simplex viruses type 1 (HSV-1) and type 2 (HSV-2) have co-evolved with humans for thousands of years and are present at a high prevalence in the population worldwide. HSV infections are responsible for several illnesses including skin and mucosal lesions, blindness and even life-threatening encephalitis in both, immunocompetent and immunocompromised individuals of all ages. Therefore, diseases caused by HSVs represent significant public health burdens. Similar to other herpesviruses, HSV-1 and HSV-2 produce lifelong infections in the host by establishing latency in neurons and sporadically reactivating from these cells, eliciting recurrences that are accompanied by viral shedding in both, symptomatic and asymptomatic individuals. The ability of HSVs to persist and recur in otherwise healthy individuals is likely given by the numerous virulence factors that these viruses have evolved to evade host antiviral responses. Here, we review and discuss molecular mechanisms used by HSVs to evade early innate antiviral responses, which are the first lines of defense against these viruses. A comprehensive understanding of how HSVs evade host early antiviral responses could contribute to the development of novel therapies and vaccines to counteract these viruses.
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Affiliation(s)
- Eduardo I Tognarelli
- Millennium Institute on Immunology and Immunotherapy, Departamento de Genética Molecular y Microbiología, Facultad de Ciencias Biológicas, Pontificia Universidad Católica de Chile, Santiago, Chile
| | - Tomás F Palomino
- Millennium Institute on Immunology and Immunotherapy, Departamento de Genética Molecular y Microbiología, Facultad de Ciencias Biológicas, Pontificia Universidad Católica de Chile, Santiago, Chile
| | - Nicolás Corrales
- Millennium Institute on Immunology and Immunotherapy, Departamento de Genética Molecular y Microbiología, Facultad de Ciencias Biológicas, Pontificia Universidad Católica de Chile, Santiago, Chile
| | - Susan M Bueno
- Millennium Institute on Immunology and Immunotherapy, Departamento de Genética Molecular y Microbiología, Facultad de Ciencias Biológicas, Pontificia Universidad Católica de Chile, Santiago, Chile
| | - Alexis M Kalergis
- Millennium Institute on Immunology and Immunotherapy, Departamento de Genética Molecular y Microbiología, Facultad de Ciencias Biológicas, Pontificia Universidad Católica de Chile, Santiago, Chile.,Departamento de Endocrinología, Facultad de Medicina, Escuela de Medicina, Pontificia Universidad Católica de Chile, Santiago, Chile
| | - Pablo A González
- Millennium Institute on Immunology and Immunotherapy, Departamento de Genética Molecular y Microbiología, Facultad de Ciencias Biológicas, Pontificia Universidad Católica de Chile, Santiago, Chile
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Mancini M, Vidal SM. Insights into the pathogenesis of herpes simplex encephalitis from mouse models. Mamm Genome 2018; 29:425-445. [PMID: 30167845 PMCID: PMC6132704 DOI: 10.1007/s00335-018-9772-5] [Citation(s) in RCA: 39] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/13/2018] [Accepted: 08/09/2018] [Indexed: 01/05/2023]
Abstract
A majority of the world population is infected with herpes simplex viruses (HSV; human herpesvirus types 1 and 2). These viruses, perhaps best known for their manifestation in the genital or oral mucosa, can also cause herpes simplex encephalitis, a severe and often fatal disease of the central nervous system. Antiviral therapies for HSV are only partially effective since the virus can establish latent infections in neurons, and severe pathological sequelae in the brain are common. A better understanding of disease pathogenesis is required to develop new strategies against herpes simplex encephalitis, including the precise viral and host genetic determinants that promote virus invasion into the central nervous system and its associated immunopathology. Here we review the current understanding of herpes simplex encephalitis from the host genome perspective, which has been illuminated by groundbreaking work on rare herpes simplex encephalitis patients together with mechanistic insight from single-gene mouse models of disease. A complex picture has emerged, whereby innate type I interferon-mediated antiviral signaling is a central pathway to control viral replication, and the regulation of immunopathology and the balance between apoptosis and autophagy are critical to disease severity in the central nervous system. The lessons learned from mouse studies inform us on fundamental defense mechanisms at the interface of host–pathogen interactions within the central nervous system, as well as possible rationales for intervention against infections from severe neuropathogenic viruses.
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Affiliation(s)
- Mathieu Mancini
- Department of Human Genetics, McGill University, Montreal, QC, Canada.,McGill Research Centre on Complex Traits, McGill University, 3649 Promenade Sir William Osler, Montreal, QC, H3G 0B1, Canada
| | - Silvia M Vidal
- Department of Human Genetics, McGill University, Montreal, QC, Canada. .,McGill Research Centre on Complex Traits, McGill University, 3649 Promenade Sir William Osler, Montreal, QC, H3G 0B1, Canada.
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A role for viral infections in Parkinson's etiology? Neuronal Signal 2018; 2:NS20170166. [PMID: 32714585 PMCID: PMC7373231 DOI: 10.1042/ns20170166] [Citation(s) in RCA: 34] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2018] [Revised: 03/06/2018] [Accepted: 03/19/2018] [Indexed: 02/06/2023] Open
Abstract
Despite over 200 years since its first description by James Parkinson, the cause(s) of most cases of Parkinson's disease (PD) are yet to be elucidated. The disparity between the current understanding of PD symptomology and pathology has led to numerous symptomatic therapies, but no strategy for prevention or disease cure. An association between certain viral infections and neurodegenerative diseases has been recognized, but largely ignored or dismissed as controversial, for decades. Recent epidemiological studies have renewed scientific interest in investigating microbial interactions with the central nervous system (CNS). This review examines past and current clinical findings and overviews the potential molecular implications of viruses in PD pathology.
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Linderman JA, Kobayashi M, Rayannavar V, Fak JJ, Darnell RB, Chao MV, Wilson AC, Mohr I. Immune Escape via a Transient Gene Expression Program Enables Productive Replication of a Latent Pathogen. Cell Rep 2017; 18:1312-1323. [PMID: 28147283 DOI: 10.1016/j.celrep.2017.01.017] [Citation(s) in RCA: 35] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/08/2015] [Revised: 11/30/2016] [Accepted: 01/09/2017] [Indexed: 12/28/2022] Open
Abstract
How type I and II interferons prevent periodic reemergence of latent pathogens in tissues of diverse cell types remains unknown. Using homogeneous neuron cultures latently infected with herpes simplex virus 1, we show that extrinsic type I or II interferon acts directly on neurons to induce unique gene expression signatures and inhibit the reactivation-specific burst of viral genome-wide transcription called phase I. Surprisingly, interferons suppressed reactivation only during a limited period early in phase I preceding productive virus growth. Sensitivity to type II interferon was selectively lost if viral ICP0, which normally accumulates later in phase I, was expressed before reactivation. Thus, interferons suppress reactivation by preventing initial expression of latent genomes but are ineffective once phase I viral proteins accumulate, limiting interferon action. This demonstrates that inducible reactivation from latency is only transiently sensitive to interferon. Moreover, it illustrates how latent pathogens escape host immune control to periodically replicate by rapidly deploying an interferon-resistant state.
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Affiliation(s)
- Jessica A Linderman
- Department of Microbiology, New York University School of Medicine, 550 First Ave., New York, NY 10016, USA
| | - Mariko Kobayashi
- Laboratory of Molecular Neuro-Oncology & Howard Hughes Medical Institute, The Rockefeller University, 1230 York Ave., Box 226, New York, NY 10065, USA
| | - Vinayak Rayannavar
- Department of Microbiology, New York University School of Medicine, 550 First Ave., New York, NY 10016, USA; Kimmel Center for Biology & Medicine at the Skirball Institute of Biomolecular Medicine, New York University School of Medicine, 550 First Ave., New York, NY 10016, USA
| | - John J Fak
- Laboratory of Molecular Neuro-Oncology & Howard Hughes Medical Institute, The Rockefeller University, 1230 York Ave., Box 226, New York, NY 10065, USA
| | - Robert B Darnell
- Laboratory of Molecular Neuro-Oncology & Howard Hughes Medical Institute, The Rockefeller University, 1230 York Ave., Box 226, New York, NY 10065, USA
| | - Moses V Chao
- Department of Cell Biology, New York University School of Medicine, 550 First Ave., New York, NY 10016, USA; Department of Physiology, New York University School of Medicine, 550 First Ave., New York, NY 10016, USA; Department of Neuroscience, New York University School of Medicine, 550 First Ave., New York, NY 10016, USA; Department of Psychiatry, New York University School of Medicine, 550 First Ave., New York, NY 10016, USA; Kimmel Center for Biology & Medicine at the Skirball Institute of Biomolecular Medicine, New York University School of Medicine, 550 First Ave., New York, NY 10016, USA
| | - Angus C Wilson
- Department of Microbiology, New York University School of Medicine, 550 First Ave., New York, NY 10016, USA; Laura and Isaac Perlmutter Cancer Center at NYU Medical Center, New York University School of Medicine, 550 First Ave., New York, NY 10016, USA
| | - Ian Mohr
- Department of Microbiology, New York University School of Medicine, 550 First Ave., New York, NY 10016, USA; Laura and Isaac Perlmutter Cancer Center at NYU Medical Center, New York University School of Medicine, 550 First Ave., New York, NY 10016, USA.
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