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Gao C, Dong X, Zhang J, Mao L, Guo C, Qin X, Zou Z. Recommendations for the selection of nucleoside analogues as antihuman herpesvirus drugs: a real-world analysis of reported cases from the FDA adverse event reporting system. Expert Opin Drug Saf 2024:1-15. [PMID: 38943630 DOI: 10.1080/14740338.2024.2374919] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2023] [Accepted: 05/22/2024] [Indexed: 07/01/2024]
Abstract
OBJECTIVE The aim of this study is to provide guidance for refining medication protocols, developing alternative strategies, and enhancing protection against herpesvirus infections in personalized clinical settings. METHODS Adverse drug events (ADEs) data for anti-herpesvirus from the first quarter of 2004 to the fourth quarter of 2022 were collected from the FDA Adverse Event Reporting System (FAERS). Disproportionality analysis was performed using Reporting Odds Ratio (ROR), Proportional Reporting Ratio (PRR), and Bayesian Confidence Propagation Neural Network (BCPNN) methods for data mining. RESULTS A total of 18,591, 24,206, 6,150, and 419 reports of ADEs associated with acyclovir (ACV), valacyclovir (VACV), ganciclovir (GCV), and famciclovir (FCV) were screened and extracted from the FAERS. In this study, the report summarized the high frequency and strong correlation of ADEs for the four drugs at the Preferred Term (PT) level. Additionally, the analysis also identified the relationship between ADEs and factors such as age, gender, and severity of outcome at the System Organ Class (SOC) level. CONCLUSION The safety reports for the four-nucleoside analogue anti-herpesvirus drugs are diverse and interconnected. Dosing for patients with herpesvirus infections should be tailored to their specific conditions and the potential risk of disease.
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Affiliation(s)
- Caixia Gao
- Molecular Biology Laboratory of Respiratory Disease, Key Laboratory of Clinical Laboratory Diagnostics (Ministry of Education), College of Laboratory Medicine, Chongqing Medical University, Chongqing, P.R. China
| | - Xiaomei Dong
- Molecular Biology Laboratory of Respiratory Disease, Key Laboratory of Clinical Laboratory Diagnostics (Ministry of Education), College of Laboratory Medicine, Chongqing Medical University, Chongqing, P.R. China
| | - Jun Zhang
- Molecular Biology Laboratory of Respiratory Disease, Key Laboratory of Clinical Laboratory Diagnostics (Ministry of Education), College of Laboratory Medicine, Chongqing Medical University, Chongqing, P.R. China
- Research Center for Environment and Human Health, School of Public Health, Chongqing Medical University, Chongqing, People's Republic of China
| | - Lejiao Mao
- Molecular Biology Laboratory of Respiratory Disease, Key Laboratory of Clinical Laboratory Diagnostics (Ministry of Education), College of Laboratory Medicine, Chongqing Medical University, Chongqing, P.R. China
| | - Changxin Guo
- Department of Health Laboratory Technology, School of Public Health, Chongqing Medical University, Chongqing, People's Republic of China
| | - Xia Qin
- Department of Pharmacy, The First Affiliated Hospital of Chongqing Medical University, Chongqing, People's Republic of China
| | - Zhen Zou
- Molecular Biology Laboratory of Respiratory Disease, Key Laboratory of Clinical Laboratory Diagnostics (Ministry of Education), College of Laboratory Medicine, Chongqing Medical University, Chongqing, P.R. China
- Research Center for Environment and Human Health, School of Public Health, Chongqing Medical University, Chongqing, People's Republic of China
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2
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Verbeek R, Vandekerckhove L, Van Cleemput J. Update on human herpesvirus 7 pathogenesis and clinical aspects as a roadmap for future research. J Virol 2024; 98:e0043724. [PMID: 38717112 PMCID: PMC11237674 DOI: 10.1128/jvi.00437-24] [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] [Indexed: 06/14/2024] Open
Abstract
Human herpesvirus 7 (HHV-7) is a common virus that is associated with various human diseases including febrile syndromes, dermatological lesions, neurological defects, and transplant complications. Still, HHV-7 remains one of the least studied members of all human betaherpesviruses. In addition, HHV-7-related research is mostly confined to case reports, while in vitro or in vivo studies unraveling basic virology, transmission mechanisms, and viral pathogenesis are sparse. Here, we discuss HHV-7-related literature linking clinical syndromes to the viral life cycle, epidemiology, and viral immunopathogenesis. Based on our review, we propose a hypothetical model of HHV-7 pathogenesis inside its host. Furthermore, we identify important knowledge gaps and recommendations for future research to better understand HHV-7 diseases and improve therapeutic interventions.
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Affiliation(s)
- Rianne Verbeek
- HIV Cure Research Center, Faculty of Medicine and Health Sciences, Ghent University, Ghent, Belgium
| | - Linos Vandekerckhove
- HIV Cure Research Center, Faculty of Medicine and Health Sciences, Ghent University, Ghent, Belgium
| | - Jolien Van Cleemput
- HIV Cure Research Center, Faculty of Medicine and Health Sciences, Ghent University, Ghent, Belgium
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3
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Belean A, Xue E, Cisneros B, Roberson EDO, Paley MA, Bigley TM. Transcriptomic profiling of thymic dysregulation and viral tropism after neonatal roseolovirus infection. Front Immunol 2024; 15:1375508. [PMID: 38895117 PMCID: PMC11183875 DOI: 10.3389/fimmu.2024.1375508] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2024] [Accepted: 05/10/2024] [Indexed: 06/21/2024] Open
Abstract
Introduction Herpesviruses, including the roseoloviruses, have been linked to autoimmune disease. The ubiquitous and chronic nature of these infections have made it difficult to establish a causal relationship between acute infection and subsequent development of autoimmunity. We have shown that murine roseolovirus (MRV), which is highly related to human roseoloviruses, induces thymic atrophy and disruption of central tolerance after neonatal infection. Moreover, neonatal MRV infection results in development of autoimmunity in adult mice, long after resolution of acute infection. This suggests that MRV induces durable immune dysregulation. Methods In the current studies, we utilized single-cell RNA sequencing (scRNAseq) to study the tropism of MRV in the thymus and determine cellular processes in the thymus that were disrupted by neonatal MRV infection. We then utilized tropism data to establish a cell culture system. Results Herein, we describe how MRV alters the thymic transcriptome during acute neonatal infection. We found that MRV infection resulted in major shifts in inflammatory, differentiation and cell cycle pathways in the infected thymus. We also observed shifts in the relative number of specific cell populations. Moreover, utilizing expression of late viral transcripts as a proxy of viral replication, we identified the cellular tropism of MRV in the thymus. This approach demonstrated that double negative, double positive, and CD4 single positive thymocytes, as well as medullary thymic epithelial cells were infected by MRV in vivo. Finally, by applying pseudotime analysis to viral transcripts, which we refer to as "pseudokinetics," we identified viral gene transcription patterns associated with specific cell types and infection status. We utilized this information to establish the first cell culture systems susceptible to MRV infection in vitro. Conclusion Our research provides the first complete picture of roseolovirus tropism in the thymus after neonatal infection. Additionally, we identified major transcriptomic alterations in cell populations in the thymus during acute neonatal MRV infection. These studies offer important insight into the early events that occur after neonatal MRV infection that disrupt central tolerance and promote autoimmune disease.
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Affiliation(s)
- Andrei Belean
- Division of Rheumatology, Department of Medicine, Washington University School of Medicine, St. Louis, MO, United States
| | - Eden Xue
- Division of Rheumatology, Department of Pediatrics, Washington University School of Medicine, St. Louis, MO, United States
| | - Benjamin Cisneros
- Division of Rheumatology, Department of Pediatrics, Washington University School of Medicine, St. Louis, MO, United States
| | - Elisha D. O. Roberson
- Division of Rheumatology, Department of Medicine, Washington University School of Medicine, St. Louis, MO, United States
- Division of Rheumatology, Department of Pediatrics, Washington University School of Medicine, St. Louis, MO, United States
- Department of Genetics, Washington University School of Medicine, St. Louis, MO, United States
| | - Michael A. Paley
- Division of Rheumatology, Department of Medicine, Washington University School of Medicine, St. Louis, MO, United States
- Department of Pathology and Immunology, Washington University School of Medicine, St. Louis, MO, United States
| | - Tarin M. Bigley
- Division of Rheumatology, Department of Pediatrics, Washington University School of Medicine, St. Louis, MO, United States
- Department of Pathology and Immunology, Washington University School of Medicine, St. Louis, MO, United States
- Department of Molecular Microbiology, Washington University School of Medicine, St. Louis, MO, United States
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4
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Nunes JM, Kell DB, Pretorius E. Herpesvirus Infection of Endothelial Cells as a Systemic Pathological Axis in Myalgic Encephalomyelitis/Chronic Fatigue Syndrome. Viruses 2024; 16:572. [PMID: 38675914 PMCID: PMC11053605 DOI: 10.3390/v16040572] [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: 03/14/2024] [Accepted: 04/01/2024] [Indexed: 04/28/2024] Open
Abstract
Understanding the pathophysiology of myalgic encephalomyelitis/chronic fatigue syndrome (ME/CFS) is critical for advancing treatment options. This review explores the novel hypothesis that a herpesvirus infection of endothelial cells (ECs) may underlie ME/CFS symptomatology. We review evidence linking herpesviruses to persistent EC infection and the implications for endothelial dysfunction, encompassing blood flow regulation, coagulation, and cognitive impairment-symptoms consistent with ME/CFS and Long COVID. This paper provides a synthesis of current research on herpesvirus latency and reactivation, detailing the impact on ECs and subsequent systemic complications, including latent modulation and long-term maladaptation. We suggest that the chronicity of ME/CFS symptoms and the multisystemic nature of the disease may be partly attributable to herpesvirus-induced endothelial maladaptation. Our conclusions underscore the necessity for further investigation into the prevalence and load of herpesvirus infection within the ECs of ME/CFS patients. This review offers conceptual advances by proposing an endothelial infection model as a systemic mechanism contributing to ME/CFS, steering future research toward potentially unexplored avenues in understanding and treating this complex syndrome.
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Affiliation(s)
- Jean M. Nunes
- Department of Physiological Sciences, Faculty of Science, Stellenbosch University, Stellenbosch, Private Bag X1, Matieland 7602, South Africa;
| | - Douglas B. Kell
- Department of Physiological Sciences, Faculty of Science, Stellenbosch University, Stellenbosch, Private Bag X1, Matieland 7602, South Africa;
- Department of Biochemistry, Cell and Systems Biology, Institute of Systems, Molecular and Integrative Biology, Faculty of Health and Life Sciences, University of Liverpool, Crown Street, Liverpool L69 7ZB, UK
- The Novo Nordisk Foundation Center for Biosustainability, Technical University of Denmark, Building 220, Chemitorvet 200, 2800 Kongens Lyngby, Denmark
| | - Etheresia Pretorius
- Department of Physiological Sciences, Faculty of Science, Stellenbosch University, Stellenbosch, Private Bag X1, Matieland 7602, South Africa;
- Department of Biochemistry, Cell and Systems Biology, Institute of Systems, Molecular and Integrative Biology, Faculty of Health and Life Sciences, University of Liverpool, Crown Street, Liverpool L69 7ZB, UK
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5
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Rzymski P, Szuster-Ciesielska A. Epstein-Barr virus and autoimmunity: effective preventive and therapeutic strategies are urgently needed. Reumatologia 2023; 61:327-330. [PMID: 37970114 PMCID: PMC10634406 DOI: 10.5114/reum/171506] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/14/2023] [Accepted: 08/25/2023] [Indexed: 11/17/2023] Open
Affiliation(s)
- Piotr Rzymski
- Department of Environmental Medicine, Poznan University of Medical Sciences, Poland
| | - Agnieszka Szuster-Ciesielska
- Department of Virology and Immunology, Institute of Biological Sciences, Maria Curie-Skłodowska University, Lublin, Poland
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6
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Pekarek MJ, Weaver EA. Existing Evidence for Influenza B Virus Adaptations to Drive Replication in Humans as the Primary Host. Viruses 2023; 15:2032. [PMID: 37896807 PMCID: PMC10612074 DOI: 10.3390/v15102032] [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: 08/31/2023] [Revised: 09/25/2023] [Accepted: 09/28/2023] [Indexed: 10/29/2023] Open
Abstract
Influenza B virus (IBV) is one of the two major types of influenza viruses that circulate each year. Unlike influenza A viruses, IBV does not harbor pandemic potential due to its lack of historical circulation in non-human hosts. Many studies and reviews have highlighted important factors for host determination of influenza A viruses. However, much less is known about the factors driving IBV replication in humans. We hypothesize that similar factors influence the host restriction of IBV. Here, we compile and review the current understanding of host factors crucial for the various stages of the IBV viral replication cycle. While we discovered the research in this area of IBV is limited, we review known host factors that may indicate possible host restriction of IBV to humans. These factors include the IBV hemagglutinin (HA) protein, host nuclear factors, and viral immune evasion proteins. Our review frames the current understanding of IBV adaptations to replication in humans. However, this review is limited by the amount of research previously completed on IBV host determinants and would benefit from additional future research in this area.
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Affiliation(s)
| | - Eric A. Weaver
- Nebraska Center for Virology, School of Biological Sciences, University of Nebraska-Lincoln, Lincoln, NE 68583, USA;
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7
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Liu OM, Hick PM, Whittington RJ. The Resistance to Lethal Challenge with Ostreid herpesvirus-1 of Pacific Oysters ( Crassostrea gigas) Previously Exposed to This Virus. Viruses 2023; 15:1706. [PMID: 37632048 PMCID: PMC10458589 DOI: 10.3390/v15081706] [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: 07/25/2023] [Revised: 08/06/2023] [Accepted: 08/07/2023] [Indexed: 08/27/2023] Open
Abstract
Pacific oyster (Crassostrea gigas) aquaculture has been economically impacted in many countries by Pacific oyster mortality syndrome (POMS), a disease initiated by Ostreid herpesvirus 1. The objectives of this study were to determine whether naturally exposed, adult C. gigas could act as reservoirs for OsHV-1 and explain the recurrent seasonal outbreaks of POMS and to test whether or not they were resistant to OsHV-1. In a laboratory infection experiment using thermal shock, OsHV-1 replication was not reactivated within the tissues of such oysters and the virus was not transmitted to naïve cohabitating spat. The adult oysters were resistant to intramuscular injection with a lethal dose of OsHV-1 and had 118 times lower risk of mortality than naïve oysters. Considered together with the results of other studies in C. gigas, natural exposure or laboratory exposure to OsHV-1 may result in immunity during subsequent exposure events, either in the natural environment or the laboratory. While adult C. gigas can carry OsHV-1 infection for lengthy periods, reactivation of viral replication leading to mortality and transmission of the virus to naïve oysters may require specific conditions that were not present in the current experiment. Further investigation is required to evaluate the mechanisms responsible for resistance to disease in oysters previously exposed to OsHV-1, whether immunity can be exploited commercially to prevent POMS outbreaks and to determine the source of the virus for recurrent seasonal outbreaks.
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Affiliation(s)
- Olivia M. Liu
- Sydney School of Veterinary Science, Faculty of Science, The University of Sydney, 425 Werombi Road, Camden, NSW 2570, Australia; (O.M.L.); (P.M.H.)
- Biosecurity Animal Division, Australian Government Department of Agriculture, Fisheries and Forestry, Canberra, ACT 2601, Australia
| | - Paul M. Hick
- Sydney School of Veterinary Science, Faculty of Science, The University of Sydney, 425 Werombi Road, Camden, NSW 2570, Australia; (O.M.L.); (P.M.H.)
- Elizabeth Macarthur Agricultural Institute, Woodbridge Road, Menangle, NSW 2568, Australia
| | - Richard J. Whittington
- Sydney School of Veterinary Science, Faculty of Science, The University of Sydney, 425 Werombi Road, Camden, NSW 2570, Australia; (O.M.L.); (P.M.H.)
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8
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Palmer WH, Norman PJ. The impact of HLA polymorphism on herpesvirus infection and disease. Immunogenetics 2023; 75:231-247. [PMID: 36595060 PMCID: PMC10205880 DOI: 10.1007/s00251-022-01288-z] [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: 08/18/2022] [Accepted: 11/24/2022] [Indexed: 01/04/2023]
Abstract
Human Leukocyte Antigens (HLA) are cell surface molecules, central in coordinating innate and adaptive immune responses, that are targets of strong diversifying natural selection by pathogens. Of these pathogens, human herpesviruses have a uniquely ancient relationship with our species, where coevolution likely has reciprocating impact on HLA and viral genomic diversity. Consistent with this notion, genetic variation at multiple HLA loci is strongly associated with modulating immunity to herpesvirus infection. Here, we synthesize published genetic associations of HLA with herpesvirus infection and disease, both from case/control and genome-wide association studies. We analyze genetic associations across the eight human herpesviruses and identify HLA alleles that are associated with diverse herpesvirus-related phenotypes. We find that whereas most HLA genetic associations are virus- or disease-specific, HLA-A*01 and HLA-A*02 allotypes may be more generally associated with immune susceptibility and control, respectively, across multiple herpesviruses. Connecting genetic association data with functional corroboration, we discuss mechanisms by which diverse HLA and cognate receptor allotypes direct variable immune responses during herpesvirus infection and pathogenesis. Together, this review examines the complexity of HLA-herpesvirus interactions driven by differential T cell and Natural Killer cell immune responses.
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Affiliation(s)
- William H. Palmer
- Department of Biomedical Informatics, University of Colorado, Aurora, CO USA
- Department of Immunology & Microbiology, University of Colorado, Aurora, CO USA
| | - Paul J. Norman
- Department of Biomedical Informatics, University of Colorado, Aurora, CO USA
- Department of Immunology & Microbiology, University of Colorado, Aurora, CO USA
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9
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Rzymski P, Szuster-Ciesielska A, Dzieciątkowski T, Gwenzi W, Fal A. mRNA vaccines: The future of prevention of viral infections? J Med Virol 2023; 95:e28572. [PMID: 36762592 DOI: 10.1002/jmv.28572] [Citation(s) in RCA: 27] [Impact Index Per Article: 27.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/06/2023] [Revised: 02/02/2023] [Accepted: 02/03/2023] [Indexed: 02/11/2023]
Abstract
Messenger RNA (mRNA) vaccines against COVID-19 are the first authorized biological preparations developed using this platform. During the pandemic, their administration has been proven to be a life-saving intervention. Here, we review the main advantages of using mRNA vaccines, identify further technological challenges to be met during the development of the mRNA platform, and provide an update on the clinical progress on leading mRNA vaccine candidates against different viruses that include influenza viruses, human immunodeficiency virus 1, respiratory syncytial virus, Nipah virus, Zika virus, human cytomegalovirus, and Epstein-Barr virus. The prospects and challenges of manufacturing mRNA vaccines in low-income countries are also discussed. The ongoing interest and research in mRNA technology are likely to overcome some existing challenges for this technology (e.g., related to storage conditions and immunogenicity of some components of lipid nanoparticles) and enhance the portfolio of vaccines against diseases for which classical formulations are already authorized. It may also open novel pathways of protection against infections and their consequences for which no safe and efficient immunization methods are currently available.
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Affiliation(s)
- Piotr Rzymski
- Department of Environmental Medicine, Poznan University of Medical Sciences, Poznań, Poland.,Integrated Science Association (ISA), Universal Scientific Education and Research Network (USERN), Poznań, Poland
| | - Agnieszka Szuster-Ciesielska
- Department of Virology and Immunology, Institute of Biological Sciences, Maria Curie-Skłodowska University, Lublin, Poland
| | | | - Willis Gwenzi
- Alexander von Humboldt Fellow & Guest Professor, Grassland Science and Renewable Plant Resources, Faculty of Organic Agricultural Sciences, Universität Kassel, Witzenhausen, Germany.,Alexander von Humboldt Fellow & Guest Professor, Leibniz Institute for Agricultural Engineering and Bioeconomy (ATB), Potsdam, Germany
| | - Andrzej Fal
- Collegium Medicum, Warsaw Faculty of Medicine, Cardinal Stefan Wyszynski University, Warsaw, Poland.,Department of Public Health, Wrocław Medical University, Wrocław, Poland
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10
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Kunstek H, Vreken F, Keita A, Hamblin MR, Dumarçay F, Varbanov M. Aspects of Antiviral Strategies Based on Different Phototherapy Approaches: Hit by the Light. Pharmaceuticals (Basel) 2022; 15:858. [PMID: 35890156 PMCID: PMC9316526 DOI: 10.3390/ph15070858] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2022] [Revised: 07/08/2022] [Accepted: 07/10/2022] [Indexed: 12/30/2022] Open
Abstract
The severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) which caused the COVID-19 pandemic spreading around the world from late 2019, served as a ruthless reminder of the threat viruses pose to global public health. The synthesis of new antiviral drugs, as well as repurposing existing products, is a long-term ongoing process which has challenged the scientific community. One solution could be an effective, accessible, and rapidly available antiviral treatment based on phototherapy (PT). PT has been used to treat several diseases, and relies on the absorption of light by endogenous molecules or exogenous photosensitizers (PS). PT has often been used in cancer treatment and prophylaxis, and as a complement to established chemotherapy and immunotherapy in combined therapeutic strategy. Besides significant applications in anticancer treatment, studies have demonstrated the beneficial impact of PT on respiratory, systemic, emerging, and oncogenic viral infections. The aim of this review was to highlight the potential of PT to combat viral infections by summarizing current progress in photodynamic, photothermal, and photoacoustic approaches. Attention is drawn to the virucidal effect of PT on systemic viruses such as the human immunodeficiency virus and human herpes viruses, including the causative agent of Kaposi sarcoma, human herpes virus (HHV8). PT has good potential for disinfection in anti-norovirus research and against pandemic viruses like SARS-CoV-2.
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Affiliation(s)
- Hannah Kunstek
- L2CM, Université de Lorraine, Centre National de la Recherche Scientifique (CNRS), 54000 Nancy, France; (H.K.); (F.V.); (A.K.); (F.D.)
- Graz University of Technology, 8010 Graz, Austria
| | - Fanny Vreken
- L2CM, Université de Lorraine, Centre National de la Recherche Scientifique (CNRS), 54000 Nancy, France; (H.K.); (F.V.); (A.K.); (F.D.)
| | - Aminata Keita
- L2CM, Université de Lorraine, Centre National de la Recherche Scientifique (CNRS), 54000 Nancy, France; (H.K.); (F.V.); (A.K.); (F.D.)
- Faculté de Pharmacie, Université de Tours, 37000 Tours, France
| | - Michael R. Hamblin
- Laser Research Centre, University of Johannesburg, Doornfontein 2028, South Africa;
| | - Florence Dumarçay
- L2CM, Université de Lorraine, Centre National de la Recherche Scientifique (CNRS), 54000 Nancy, France; (H.K.); (F.V.); (A.K.); (F.D.)
| | - Mihayl Varbanov
- L2CM, Université de Lorraine, Centre National de la Recherche Scientifique (CNRS), 54000 Nancy, France; (H.K.); (F.V.); (A.K.); (F.D.)
- Laboratoire de Virologie, Centres Hospitaliers Régionaux Universitaires (CHRU) de Nancy Brabois, 54500 Vandœuvre-lès-Nancy, France
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11
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Zamana RR, Gattamorta MA, Cruz Ochoa PF, Navas-Suárez PE, Sacristán C, Rossi S, Grisi-Filho JHH, Silva IS, Matushima ER. High Occurrence of Chelonid Alphaherpesvirus 5 (ChHV5) in Green Sea Turtles Chelonia mydas with and without Fibropapillomatosis in Feeding Areas of the São Paulo Coast, Brazil. JOURNAL OF AQUATIC ANIMAL HEALTH 2021; 33:252-263. [PMID: 34634147 DOI: 10.1002/aah.10142] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/06/2021] [Revised: 07/20/2021] [Accepted: 07/26/2021] [Indexed: 06/13/2023]
Abstract
Chelonid alphaherpesvirus 5 (ChHV5) has been consistently associated with fibropapillomatosis (FP), a neoplastic disease that affects sea turtles globally. The DNA of ChHV5 has been detected in cutaneous and noncutaneous tissues (e.g., lung) of green sea turtles Chelonia mydas with (FP+) and without (FP-) clinical signs of FP, indicating a persistent ChHV5 infection. Previously published and custom primer pairs were used to amplify the fragments of ChHV5 unique long (UL) partial genes (UL30 and UL18) through end-point PCR from cutaneous tumors (n = 31), nontumored skin (n = 49), and lungs (n = 26) from FP+ (n = 31) and FP- (n = 18) green sea turtles. The DNA of ChHV5 was detected in cutaneous tumors (80.6%, 25/31), nontumored skin (74.2%, 23/31 FP+; 27.8%, 5/18 FP-), and lung samples (91.7%, 11/12 FP+; 100%, 14/14 FP-). The high occurrence of ChHV5 observed in lung samples from FP- individuals was unexpected (14/14), providing the first evidence of ChHV5 DNA presence in lungs of individuals without FP. Our results also revealed high ChHV5 occurrence among the tested cohort (93.9%, 46/49) and suggested that a large proportion (83.4%, 15/18) of FP- green sea turtles had subclinical ChHV5 infections. Hence, our findings support the hypothesis that ChHV5 requires one or more possibly environmental or immune-related co-factors to induce FP.
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Affiliation(s)
- Roberta Ramblas Zamana
- Laboratório de Patologia Comparada de Animais Selvagens, Departamento de Patologia, Faculdade de Medicina Veterinária e Zootecnia, Universidade de São Paulo, Código Endereçamento Postal, 05508-010, São Paulo, São Paulo State, Brazil
| | - Marco Aurélio Gattamorta
- Laboratório de Patologia Comparada de Animais Selvagens, Departamento de Patologia, Faculdade de Medicina Veterinária e Zootecnia, Universidade de São Paulo, Código Endereçamento Postal, 05508-010, São Paulo, São Paulo State, Brazil
- Instituto Federal de São Paulo, Campus Cubatão, Rua Maria Cristina 50, Casqueiro, Código Endereçamento Postal, 11533-160, Cubatão, São Paulo State, Brazil
| | - Pablo Felipe Cruz Ochoa
- Laboratório de Patologia Comparada de Animais Selvagens, Departamento de Patologia, Faculdade de Medicina Veterinária e Zootecnia, Universidade de São Paulo, Código Endereçamento Postal, 05508-010, São Paulo, São Paulo State, Brazil
- Bioparque Los Ocarros, Kilómetro 3 vía Restrepo, Villavicencio, Colombia
| | - Pedro Enrique Navas-Suárez
- Laboratório de Patologia Comparada de Animais Selvagens, Departamento de Patologia, Faculdade de Medicina Veterinária e Zootecnia, Universidade de São Paulo, Código Endereçamento Postal, 05508-010, São Paulo, São Paulo State, Brazil
| | - Carlos Sacristán
- Laboratório de Patologia Comparada de Animais Selvagens, Departamento de Patologia, Faculdade de Medicina Veterinária e Zootecnia, Universidade de São Paulo, Código Endereçamento Postal, 05508-010, São Paulo, São Paulo State, Brazil
| | - Silmara Rossi
- Laboratório de Morfofisiologia de Vertebrados, Departamento de Morfologia, Centro de Biociências, Universidade Federal do Rio Grande do Norte, Campus Universitário Lagoa Nova, Código Endereçamento Postal, 59072-970, Natal, Rio Grande do Norte State, Brazil
| | - José Henrique Hildebrand Grisi-Filho
- Laboratório de Epidemiologia e Estatística, Departamento de Medicina Veterinária Preventiva e Saúde Animal, Faculdade de Medicina Veterinária e Zootecnia, Universidade de São Paulo, Código Endereçamento Postal, 05508-010, São Paulo, São Paulo State, Brazil
| | - Isabela Santos Silva
- Laboratório de Patologia Comparada de Animais Selvagens, Departamento de Patologia, Faculdade de Medicina Veterinária e Zootecnia, Universidade de São Paulo, Código Endereçamento Postal, 05508-010, São Paulo, São Paulo State, Brazil
| | - Eliana Reiko Matushima
- Laboratório de Patologia Comparada de Animais Selvagens, Departamento de Patologia, Faculdade de Medicina Veterinária e Zootecnia, Universidade de São Paulo, Código Endereçamento Postal, 05508-010, São Paulo, São Paulo State, Brazil
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12
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Najjar YG. Search for effective treatments in patients with advanced refractory melanoma continues: can novel intratumoral therapies deliver? J Immunother Cancer 2021; 9:e002820. [PMID: 34312244 PMCID: PMC8314703 DOI: 10.1136/jitc-2021-002820] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 06/10/2021] [Indexed: 01/22/2023] Open
Abstract
Most patients with advanced melanoma ultimately fail immune checkpoint inhibitor (ICI) therapy because of primary or acquired resistance. There remains a critical unmet need for new therapies that function via alternative immune activation mechanisms to safely trigger an antitumor immune response in patients with ICI-refractory disease. This commentary discusses the recent failures and hope for novel intratumoral therapies under development in the advanced refractory melanoma setting, outlining key mechanistic differences that may be critical to yielding success in this difficult-to-treat population.
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Affiliation(s)
- Yana G Najjar
- UPMC Hillman Cancer Center, University of Pittsburgh, Pittsburgh, Pennsylvania, USA
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13
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CHARACTERIZING THE EPIDEMIOLOGY OF HISTORIC AND NOVEL PATHOGENS IN BLANDING'S TURTLES ( EMYDOIDEA BLANDINGII). J Zoo Wildl Med 2021; 51:606-617. [PMID: 33480536 DOI: 10.1638/2019-0154] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 03/23/2020] [Indexed: 11/21/2022] Open
Abstract
Pathogens such as herpesviruses, Mycoplasma spp., and frog virus 3-like ranavirus have contributed to morbidity and mortality in many species of free-living and zoo-maintained chelonians. However, their prevalence is understudied in Blanding's turtles (Emydoidea blandingii) across North America. To assess the presence of these pathogens, Blanding's turtles were sampled in Lake County, Illinois, in 2017 (N = 213) and 2018 (N = 160). DNA from cloacal-oral swabs was assayed for four ranaviruses, three Mycoplasma spp., two Salmonella spp., Emydoidea herpesvirus 1 (EBHV1), and tortoise intranuclear coccidiosis (TINC) using a multiplex quantitative polymerase chain reaction (qPCR). Pathogens were most frequently detected in adult turtles (n = 25) and rarely in subadults (n = 2) or juveniles (n = 1). EBHV1 was detected in 22 individuals with no clinical signs of illness, most (n = 20) occurring in the month of May (P < 0.0001). EBHV1 cases at one study site significantly clustered within the same 0.64-km area from 17 to 22 May 2017 (P < 0.0001) and 14 to 15 May 2018 (P = 0.0006). Individuals were rarely positive for Salmonella typhimurium (n = 6). A novel Mycoplasma sp. sharing high homology with other emydid Mycoplasma spp. was detected in one turtle with nasal discharge. Neither TINC nor any ranaviruses were detected. Continued monitoring of this population and habitat may facilitate identification of risk factors for pathogen occurrence and clarify the impact of infectious diseases on Blanding's turtle conservation outcomes.
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14
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Silva AM, Morgado FS, Silva LA, Borges JRJ, Perecmanis S, Ardisson-Araújo DMP, Ribeiro BM, Campos FS. Evaluation of the anti-apoptotic activity of bovine alphaherpesvirus type 5 US3 protein kinase in insect cells using a recombinant baculovirus. Braz J Microbiol 2020; 51:827-835. [PMID: 31907798 DOI: 10.1007/s42770-019-00215-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/24/2019] [Accepted: 12/14/2019] [Indexed: 10/25/2022] Open
Abstract
Bovine alphaherpesvirus type 5 (BoHV-5) is one of the main agents responsible for meningoencephalitis in cattle in Brazil, causing significant economic losses. It is known that other viruses of the Herpesviridae family such as Bovine alphaherpesvirus type 1, Swine alphaherpesvirus type 1, and the Human alphaherpesvirus types 1 and 2 encode genes homologous to BoHV-5, with recognized action in the control of apoptosis. The objective of this work was to express the BoHV-5 US3 gene in a baculovirus-based expression system for the production of the serine/threonine kinase protein and to evaluate its activity in the control of apoptosis in vitro. A recombinant baculovirus derived from the Autographa californica multiple nucleopolyhedrovirus (AcMNPV) containing the US3 gene and a deletion in the baculovirus anti-apoptotic p35 gene was constructed using the Bac-to-Bac™ system. This recombinant baculovirus was used to evaluate the anti-apoptotic activity of the recombinant US3 protein in insect cells comparing with two other AcMNPV recombinants, one containing a functional copy of the AcMNPV anti-apoptotic p35 gene and an AcMNPV p35 knockout virus with the anti-apoptotic iap-3 gene from Anticarsia gemmatalis multiple nucleopolyhedrovirus (AgMNPV). We found that the caspase level was higher in insect cells infected with the US3-contanining recombinant virus than in cells infected with the AcMNPV recombinants containing the p35 and iap-3 genes. These results indicate that the BoHV-5 US3 protein kinase gene is not able to block apoptosis in insect cells induced by the infection of a p35 knockout AcMNPV.
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Affiliation(s)
- Alice M Silva
- Laboratory of Veterinary Microbiology, Faculty of Veterinary Medicine and Agronomy, University of Brasília, Brasília, DF, Brazil
| | - Fabrício S Morgado
- Laboratory of Baculovirus, Cell Biology Department, University of Brasília, Brasília, DF, Brazil
| | - Leonardo A Silva
- Laboratory of Baculovirus, Cell Biology Department, University of Brasília, Brasília, DF, Brazil
| | - José R J Borges
- Veterinary Hospital, Faculty of Veterinary Medicine and Agronomy, University of Brasília, Brasília, DF, Brazil
| | - Simone Perecmanis
- Laboratory of Veterinary Microbiology, Faculty of Veterinary Medicine and Agronomy, University of Brasília, Brasília, DF, Brazil
| | - Daniel M P Ardisson-Araújo
- Departament of Biochemistry and Molecular Biology, Federal University of Santa Maria, Santa Maria, RS, Brazil
| | - Bergmann M Ribeiro
- Laboratory of Baculovirus, Cell Biology Department, University of Brasília, Brasília, DF, Brazil
| | - Fabrício S Campos
- Laboratory of Bioinformatics and Biotechnology, Federal University of Tocantins, Campus of Gurupi, Gurupi, TO, Brazil.
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15
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Bellizzi A, Ahye N, Jalagadugula G, Wollebo HS. A Broad Application of CRISPR Cas9 in Infectious Diseases of Central Nervous System. J Neuroimmune Pharmacol 2019; 14:578-594. [PMID: 31512166 PMCID: PMC6898781 DOI: 10.1007/s11481-019-09878-7] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/03/2019] [Accepted: 08/26/2019] [Indexed: 12/16/2022]
Abstract
Virus-induced diseases or neurological complications are huge socio-economic burden to human health globally. The complexity of viral-mediated CNS pathology is exacerbated by reemergence of new pathogenic neurotropic viruses of high public relevance. Although the central nervous system is considered as an immune privileged organ and is mainly protected by barrier system, there are a vast majority of neurotropic viruses capable of gaining access and cause diseases. Despite continued growth of the patient population and a number of treatment strategies, there is no successful viral specific therapy available for viral induced CNS diseases. Therefore, there is an urgent need for a clear alternative treatment strategy that can effectively target neurotropic viruses of DNA or RNA genome. To address this need, rapidly growing gene editing technology based on CRISPR/Cas9, provides unprecedented control over viral genome editing and will be an effective, highly specific and versatile tool for targeting CNS viral infection. In this review, we discuss the application of this system to control CNS viral infection and associated neurological disorders and future prospects. Graphical Abstract CRISPR/Cas9 technology as agent control over CNS viral infection.
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Affiliation(s)
- Anna Bellizzi
- Center for Neurovirology, Department of Neuroscience, Lewis Katz School of Medicine at Temple University, Room 756 MERB, 3500 N. Broad Street, Philadelphia, PA, 19140, USA
| | - Nicholas Ahye
- Center for Neurovirology, Department of Neuroscience, Lewis Katz School of Medicine at Temple University, Room 756 MERB, 3500 N. Broad Street, Philadelphia, PA, 19140, USA
| | - Gauthami Jalagadugula
- Center for Neurovirology, Department of Neuroscience, Lewis Katz School of Medicine at Temple University, Room 756 MERB, 3500 N. Broad Street, Philadelphia, PA, 19140, USA
| | - Hassen S Wollebo
- Center for Neurovirology, Department of Neuroscience, Lewis Katz School of Medicine at Temple University, Room 756 MERB, 3500 N. Broad Street, Philadelphia, PA, 19140, USA.
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16
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Rider PJF, Uche IK, Sweeny L, Kousoulas KG. Anti-viral immunity in the tumor microenvironment: implications for the rational design of herpes simplex virus type 1 oncolytic virotherapy. CURRENT CLINICAL MICROBIOLOGY REPORTS 2019; 6:193-199. [PMID: 33344108 DOI: 10.1007/s40588-019-00134-3] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
Abstract
Purpose of review The design of novel herpes simplex type I (HSV-1)-derived oncolytic virotherapies is a balancing act between safety, immunogenicity and replicative potential. We have undertaken this review to better understand how these considerations can be incorporated into rational approaches to the design of novel herpesvirus oncolytic virotherapies. Recent findings Several recent papers have demonstrated that enhancing the potential of HSV-1 oncolytic viruses to combat anti-viral mechanisms present in the tumor microenvironment leads to greater efficacy than their parental viruses. Summary It is not entirely clear how the immunosuppressive tumor microenvironment affects oncolytic viral replication and spread within tumors. Recent work has shown that the manipulation of specific cellular and molecular mechanisms of immunosuppression operating within the tumor microenvironment can enhance the efficacy of oncolytic virotherapy. We anticipate that future work will integrate greater knowledge of immunosuppression in tumor microenvironments with design of oncolytic virotherapies.
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Affiliation(s)
- Paul J F Rider
- Division of Biotechnology and Molecular Medicine and Department of Pathobiological Sciences, School of Veterinary Medicine, Louisiana State University, Baton Rouge, Louisiana, USA
| | - Ifeanyi K Uche
- Division of Biotechnology and Molecular Medicine and Department of Pathobiological Sciences, School of Veterinary Medicine, Louisiana State University, Baton Rouge, Louisiana, USA
| | - Larissa Sweeny
- Division of Biotechnology and Molecular Medicine and Department of Pathobiological Sciences, School of Veterinary Medicine, Louisiana State University, Baton Rouge, Louisiana, USA.,Louisiana State University Health Sciences Center, New Orleans, Louisiana USA
| | - Konstantin G Kousoulas
- Division of Biotechnology and Molecular Medicine and Department of Pathobiological Sciences, School of Veterinary Medicine, Louisiana State University, Baton Rouge, Louisiana, USA
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17
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New Viral Facets in Oral Diseases: The EBV Paradox. Int J Mol Sci 2019; 20:ijms20235861. [PMID: 31766729 PMCID: PMC6929135 DOI: 10.3390/ijms20235861] [Citation(s) in RCA: 23] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/03/2019] [Revised: 11/18/2019] [Accepted: 11/20/2019] [Indexed: 12/13/2022] Open
Abstract
The oral cavity contributes to overall health, psychosocial well-being and quality of human life. Oral inflammatory diseases represent a major global health problem with significant social and economic impact. The development of effective therapies, therefore, requires deeper insights into the etiopathogenesis of oral diseases. Epstein–Barr virus (EBV) infection results in a life-long persistence of the virus in the host and has been associated with numerous oral inflammatory diseases including oral lichen planus (OLP), periodontal disease and Sjogren’s syndrome (SS). There is considerable evidence that the EBV infection is a strong risk factor for the development and progression of these conditions, but is EBV a true pathogen? This long-standing EBV paradox yet needs to be solved. This review discusses novel viral aspects of the etiopathogenesis of non-tumorigenic diseases in the oral cavity, in particular, the contribution of EBV in OLP, periodontitis and SS, the tropism of EBV infection, the major players involved in the etiopathogenic mechanisms and emerging contribution of EBV-pathogenic bacteria bidirectional interaction. It also proposes the involvement of EBV-infected plasma cells in the development and progression of oral inflammatory diseases. A new direction for preventing and treating these conditions may focus on controlling pathogenic EBV with anti-herpetic drugs.
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18
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Brown LJ, Brown G, Kydd J, Stout TAE, Schulman ML. Failure to detect equid herpesvirus types 1 and 4 DNA in placentae and healthy new-born Thoroughbred foals. J S Afr Vet Assoc 2019; 90:e1-e5. [PMID: 31170779 PMCID: PMC6556910 DOI: 10.4102/jsava.v90i0.1736] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/16/2018] [Revised: 02/08/2019] [Accepted: 03/27/2019] [Indexed: 11/01/2022] Open
Abstract
Equid herpesvirus type 1 is primarily a respiratory tract virus associated with poor athletic performance that can also cause late gestation abortion, neonatal foal death and encephalomyelopathy. Horizontal transmission is well described, whereas evidence of vertical transmission of equid herpesvirus type 1 associated with the birth of a healthy foal has not been demonstrated. This study sampled a population of Thoroughbred mares (n = 71), and their healthy neonatal foals and foetal membranes, to test for the presence of both equid herpesvirus types 1 and 4 using a quantitative polymerase chain reaction assay. Foetal membrane swabs and tissue samples were taken immediately post-partum, and venous blood samples and nasal swabs were obtained from both mare and foal 8 h after birth. Neither equid herpesvirus type 1 nor equid herpesvirus type 4 nucleic acid was detected in any sample, and it was concluded that there was no active shedding of equid herpesvirus types 1 and 4 at the time of sampling. Consequently, no evidence of vertical transmission of these viruses could be found on this stud farm during the sampling period.
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Affiliation(s)
- Lara J Brown
- Department of Production Animal Studies, University of Pretoria, Pretoria.
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19
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Dual Transcriptomic Analysis Reveals a Delayed Antiviral Response of Haliotis diversicolor supertexta against Haliotid Herpesvirus-1. Viruses 2019; 11:v11040383. [PMID: 31022987 PMCID: PMC6520846 DOI: 10.3390/v11040383] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2019] [Revised: 04/15/2019] [Accepted: 04/23/2019] [Indexed: 12/29/2022] Open
Abstract
Haliotid herpesvirus-1 (HaHV-1) is the first identified gastropod herpesvirus, causing a highly lethal neurologic disease of abalone species. The genome of HaHV-1 has been sequenced, but the functions of the putative genes and their roles during infection are still poorly understood. In the present study, transcriptomic profiles of Haliotis diversicolor supertexta at 0, 24 and 60 h post injection (hpi) with HaHV-1 were characterized through high-throughput RNA sequencing. A total of 448 M raw reads were obtained and assembled into 2.08 × 105 unigenes with a mean length of 1486 bp and an N50 of 2455 bp. Although we detected increased HaHV-1 DNA loads and active viral expression at 24 hpi, this evidence was not linked to significant changes of host transcriptomic profiles between 0 and 24 hpi, whereas a rich immune-related gene set was over-expressed at 60 hpi. These results indicate that, at least at the beginning of HaHV-1 infection, the virus can replicate with no activation of the host immune response. We propose that HaHV-1 may evolve more effective strategies to modulate the host immune response and hide during replication, so that it could evade the immune surveillance at the early stage of infection.
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20
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Alston CI, Dix RD. SOCS and Herpesviruses, With Emphasis on Cytomegalovirus Retinitis. Front Immunol 2019; 10:732. [PMID: 31031749 PMCID: PMC6470272 DOI: 10.3389/fimmu.2019.00732] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2018] [Accepted: 03/19/2019] [Indexed: 01/08/2023] Open
Abstract
Suppressor of cytokine signaling (SOCS) proteins provide selective negative feedback to prevent pathogeneses caused by overstimulation of the immune system. Of the eight known SOCS proteins, SOCS1 and SOCS3 are the best studied, and systemic deletion of either gene causes early lethality in mice. Many viruses, including herpesviruses such as herpes simplex virus and cytomegalovirus, can manipulate expression of these host proteins, with overstimulation of SOCS1 and/or SOCS3 putatively facilitating viral evasion of immune surveillance, and SOCS suppression generally exacerbating immunopathogenesis. This is particularly poignant within the eye, which contains a diverse assortment of specialized cell types working together in a tightly controlled microenvironment of immune privilege. When the immune privilege of the ocular compartment fails, inflammation causing severe immunopathogenesis and permanent, sight-threatening damage may occur, as in the case of AIDS-related human cytomegalovirus (HCMV) retinitis. Herein we review how SOCS1 and SOCS3 impact the virologic, immunologic, and/or pathologic outcomes of herpesvirus infection with particular emphasis on retinitis caused by HCMV or its mouse model experimental counterpart, murine cytomegalovirus (MCMV). The accumulated data suggests that SOCS1 and/or SOCS3 can differentially affect the severity of viral diseases in a highly cell-type-specific manner, reflecting the diversity and complexity of herpesvirus infection and the ocular compartment.
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Affiliation(s)
- Christine I Alston
- Department of Biology, Viral Immunology Center, Georgia State University, Atlanta, GA, United States.,Department of Ophthalmology, Emory University School of Medicine, Atlanta, GA, United States
| | - Richard D Dix
- Department of Biology, Viral Immunology Center, Georgia State University, Atlanta, GA, United States.,Department of Ophthalmology, Emory University School of Medicine, Atlanta, GA, United States
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21
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CRISPR/Cas9-Based Antiviral Strategy: Current Status and the Potential Challenge. Molecules 2019; 24:molecules24071349. [PMID: 30959782 PMCID: PMC6480260 DOI: 10.3390/molecules24071349] [Citation(s) in RCA: 31] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2019] [Revised: 03/29/2019] [Accepted: 04/04/2019] [Indexed: 12/15/2022] Open
Abstract
From its unexpected discovery as a bacterial adaptive immune system to its countless applications as one of the most versatile gene-editing tools, the CRISPR/Cas9 system has revolutionized every field of life science. Virology is no exception to this ever-growing list of CRISPR/Cas9-based applications. Direct manipulation of a virus genome by CRISPR/Cas9 has enabled a systematic study of cis-elements and trans-elements encoded in a virus genome. In addition, this virus genome-specific mutagenesis by CRISPR/Cas9 was further funneled into the development of a novel class of antiviral therapy targeting many incurable chronic viral infections. In this review, a general concept on the CRISPR/Cas9-based antiviral strategy will be described first. To understand the current status of the CRISPR/Cas9-based antiviral approach, a series of recently published antiviral studies involving CRISPR/Cas9-mediated control of several clinically-relevant viruses including human immunodeficiency virus, hepatitis B virus, herpesviruses, human papillomavirus, and other viruses will be presented. Lastly, the potential challenge and future prospect for successful clinical translation of this CRISPR/Cas9-based antiviral method will be discussed.
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22
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Graul M, Kisielnicka E, Rychłowski M, Verweij MC, Tobler K, Ackermann M, Wiertz EJHJ, Bieńkowska-Szewczyk K, Lipińska AD. Transmembrane regions of bovine herpesvirus 1-encoded UL49.5 and glycoprotein M regulate complex maturation and ER-Golgi trafficking. J Gen Virol 2019; 100:497-510. [PMID: 30694168 DOI: 10.1099/jgv.0.001224] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
Abstract
Bovine herpesvirus 1 (BoHV-1)-encoded UL49.5 (a homologue of herpesvirus glycoprotein N) can combine different functions, regulated by complex formation with viral glycoprotein M (gM). We aimed to identify the mechanisms governing the immunomodulatory activity of BoHV-1 UL49.5. In this study, we addressed the impact of gM/UL49.5-specific regions on heterodimer formation, folding and trafficking from the endoplasmic reticulum (ER) to the trans-Golgi network (TGN) - events previously found to be responsible for abrogation of the UL49.5-mediated inhibition of the transporter associated with antigen processing (TAP). We first established, using viral mutants, that no other viral protein could efficiently compensate for the chaperone function of UL49.5 within the complex. The cytoplasmic tail of gM, containing putative trafficking signals, was dispensable either for ER retention of gM or for the release of the complex. We constructed cell lines with stable co-expression of BoHV-1 gM with chimeric UL49.5 variants, composed of the BoHV-1 N-terminal domain fused to the transmembrane region (TM) from UL49.5 of varicella-zoster virus or TM and the cytoplasmic tail of influenza virus haemagglutinin. Those membrane-anchored N-terminal domains of UL49.5 were sufficient to form a complex, yet gM/UL49.5 folding and ER-TGN trafficking could be affected by the UL49.5 TM sequence. Finally, we found that leucine substitutions in putative glycine zipper motifs within TM helices of gM resulted in strong reduction of complex formation and decreased ability of gM to interfere with UL49.5-mediated major histocompatibility class I downregulation. These findings highlight the importance of gM/UL49.5 transmembrane domains for the biology of this conserved herpesvirus protein complex.
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Affiliation(s)
- Małgorzata Graul
- 1Laboratory of Virus Molecular Biology, Intercollegiate Faculty of Biotechnology, University of Gdańsk and Medical University of Gdańsk, Gdańsk, Poland
| | - Edyta Kisielnicka
- 1Laboratory of Virus Molecular Biology, Intercollegiate Faculty of Biotechnology, University of Gdańsk and Medical University of Gdańsk, Gdańsk, Poland
| | - Michał Rychłowski
- 1Laboratory of Virus Molecular Biology, Intercollegiate Faculty of Biotechnology, University of Gdańsk and Medical University of Gdańsk, Gdańsk, Poland
| | - Marieke C Verweij
- 2Department of Medical Microbiology, Leiden University Medical Center, Leiden, The Netherlands
| | - Kurt Tobler
- 3Institute of Virology, University of Zurich, Zurich, Switzerland
| | | | - Emmanuel J H J Wiertz
- 4Department of Medical Microbiology, University Medical Center Utrecht, Utrecht, The Netherlands
| | - Krystyna Bieńkowska-Szewczyk
- 1Laboratory of Virus Molecular Biology, Intercollegiate Faculty of Biotechnology, University of Gdańsk and Medical University of Gdańsk, Gdańsk, Poland
| | - Andrea D Lipińska
- 1Laboratory of Virus Molecular Biology, Intercollegiate Faculty of Biotechnology, University of Gdańsk and Medical University of Gdańsk, Gdańsk, Poland
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23
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Cardoso TC, Okamura LH, Baptistella JC, Borsanelli AC, Baptistiolli L, Ferreira HL, Gameiro R, Flores EF. RETRACTED: Bovine Herpesvirus 5 promotes mitochondrial dysfunction in cultured bovine monocyte-derived macrophages and not affect virus replication. Vet Microbiol 2019; 229:153-158. [PMID: 30642592 DOI: 10.1016/j.vetmic.2019.01.004] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2018] [Revised: 01/03/2019] [Accepted: 01/03/2019] [Indexed: 10/27/2022]
Abstract
This article has been retracted: please see Elsevier Policy on Article Withdrawal (https://www.elsevier.com/about/our-business/policies/article-withdrawal).
This article has been retracted at the request of the Editors-in-Chief and Authors.
Fig 1A is a duplicate of a figure that has already been published in da Silva SEL et al. Archives of Virology 2018;163:1043-1049; 10.1007/s00705-018-3704-2. These two papers report studies performed with cells from two different animal species (bovine cells for the Veterinary Microbiology paper and chicken cells for the Archives of Virology paper). The reuse of the same figure in the Veterinary Microbiology paper to describe cells that were supposed to be from a different species is thus inappropriate and also puts into question the reliability of the other results presented in this paper.
In addition, the Editors-in-Chief have remaining concerns about the strong similarities of other data presented in the two papers.
Even if these concerns were addressed, the re-use of any data has to be clearly indicated and appropriately cited. As such this article represents a misuse of the scientific publishing system. The scientific community takes a very strong view on this matter and apologies are offered to readers of the journal that this was not detected during the submission process.
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Affiliation(s)
- Tereza C Cardoso
- UNESP- University of São Paulo State, College of Veterinary Medicine, Araçatuba, SP, Brazil.
| | - Lucas H Okamura
- UNESP- University of São Paulo State, College of Veterinary Medicine, Araçatuba, SP, Brazil
| | - Jamila C Baptistella
- UNESP- University of São Paulo State, College of Veterinary Medicine, Araçatuba, SP, Brazil
| | | | - Lillian Baptistiolli
- Department of Veterinary Medicine, FZEA- USP- University of Sao Paulo, Pirassununga, SP, Brazil
| | - Helena L Ferreira
- Department of Veterinary Medicine, FZEA- USP- University of Sao Paulo, Pirassununga, SP, Brazil
| | - Roberto Gameiro
- UNESP- University of São Paulo State, College of Veterinary Medicine, Araçatuba, SP, Brazil
| | - Eduardo F Flores
- Virology Section, Department of Preventive Veterinary Medicine, Federal University of Santa Maria, RS, Brazil
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Praest P, de Buhr H, Wiertz EJHJ. A Flow Cytometry-Based Approach to Unravel Viral Interference with the MHC Class I Antigen Processing and Presentation Pathway. Methods Mol Biol 2019; 1988:187-198. [PMID: 31147941 DOI: 10.1007/978-1-4939-9450-2_14] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
MHC class I molecules are an important component of the cell-mediated immune defense, presenting peptides to surveilling CD8+ cytotoxic T cells. During viral infection, MHC class I molecules carry and display viral peptides at the cell surface. CD8+ T cells that recognize these peptides will eliminate the virus-infected cells. Viruses counteract this highly sophisticated host detection system by downregulating cell surface expression of MHC class I molecules.In this chapter, we describe a flow cytometry-based method that can be used for the identification of viral gene products potentially responsible for evasion from MHC class I-restricted antigen presentation. The gene(s) of interest are expressed constitutively through lentiviral transduction of cells. Subsequently, MHC I surface expression is monitored using MHC class I-specific antibodies. Once the viral gene product responsible for MHC I downregulation has been identified, the same cells can be used to elucidate the mechanism of action. The stage at which interference with antigen processing occurs can be identified using specific assays. An essential step frequently targeted by viruses is the translocation of peptides into the ER by the transporter associated with antigen processing, TAP. TAP function can be measured using a highly specific in vitro assay involving flow cytometric evaluation of the import of a fluorescent peptide substrate.The protocol described in this chapter enables the identification of virus-encoded MHC class I inhibitors that hinder antigen processing and presentation. Subsequently, their mechanism of action can be unraveled; this knowledge may help to rectify their actions.
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Affiliation(s)
- Patrique Praest
- Department of Medical Microbiology, University Medical Center Utrecht, Utrecht, The Netherlands
| | - Hendrik de Buhr
- Department of Medical Microbiology, University Medical Center Utrecht, Utrecht, The Netherlands
| | - Emmanuel J H J Wiertz
- Department of Medical Microbiology, University Medical Center Utrecht, Utrecht, The Netherlands.
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25
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Su H, Su J. Cyprinid viral diseases and vaccine development. FISH & SHELLFISH IMMUNOLOGY 2018; 83:84-95. [PMID: 30195914 PMCID: PMC7118463 DOI: 10.1016/j.fsi.2018.09.003] [Citation(s) in RCA: 49] [Impact Index Per Article: 8.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/15/2018] [Revised: 08/31/2018] [Accepted: 09/05/2018] [Indexed: 05/15/2023]
Abstract
In the past decades, global freshwater fish production has been rapidly growing, while cyprinid takes the largest portion. Along with the rapid rise of novel forms of intensive aquaculture, increased global aquatic animal movement and various anthropogenic stress to aquatic ecosystems during the past century, freshwater fish farming industry encounter the emergence and breakout of many diseases, especially viral diseases. Because of the ability to safely and effectively prevent aquaculture diseases, vaccines have become the mainstream technology for prevention and control of aquatic diseases in the world. In this review, authors summarized six major cyprinid viral diseases, including koi herpesvirus disease (KHVD), spring viraemia of carp (SVC), grass carp hemorrhagic disease (GCHD), koi sleepy disease (KSD), carp pox disease (CPD) and herpesviral haematopoietic necrosis (HPHN). The present review described the characteristics of these diseases from epidemiology, pathology, etiology and diagnostics. Furthermore, the development of specific vaccines respective to these diseases is stated according to preparation methods and immunization approaches. It is hoped that the review could contribute to aquaculture in prevention and controlling of cyprinid viral diseases, and serve the healthy and sustainable development of aquaculture industry.
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Affiliation(s)
- Hang Su
- Department of Aquatic Animal Medicine, College of Fisheries, Huazhong Agricultural University, Wuhan, 430070, China
| | - Jianguo Su
- Department of Aquatic Animal Medicine, College of Fisheries, Huazhong Agricultural University, Wuhan, 430070, China; Laboratory for Marine Biology and Biotechnology, Pilot National Laboratory for Marine Science and Technology (Qingdao), Qingdao, 266237, China.
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26
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Haas JG, Weber J, Gonzalez O, Zimmer R, Griffiths SJ. Antiviral activity of the mineralocorticoid receptor NR3C2 against Herpes simplex virus Type 1 (HSV-1) infection. Sci Rep 2018; 8:15876. [PMID: 30367157 PMCID: PMC6203759 DOI: 10.1038/s41598-018-34241-w] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2018] [Accepted: 10/11/2018] [Indexed: 01/23/2023] Open
Abstract
Analysis of a genome-scale RNA interference screen of host factors affecting herpes simplex virus type 1 (HSV-1) revealed that the mineralocorticoid receptor (MR) inhibits HSV-1 replication. As a ligand-activated transcription factor the MR regulates sodium transport and blood pressure in the kidney in response to aldosterone, but roles have recently been elucidated for the MR in other cellular processes. Here, we show that the MR and other members of the mineralocorticoid signalling pathway including HSP90 and FKBP4, possess anti-viral activity against HSV-1 independent of their effect on sodium transport, as shown by sodium channel inhibitors. Expression of the MR is upregulated upon infection in an interferon (IFN) and viral transcriptional activator VP16-dependent fashion. Furthermore, the MR and VP16, together with the cellular co-activator Oct-1, transactivate the hormone response element (HRE) present in the MR promoter and those of its transcriptional targets. As the MR induces IFN expression, our data suggests the MR is involved in a positive feedback loop that controls HSV-1 infection.
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Affiliation(s)
- Jürgen G Haas
- Division of Infection and Pathway Medicine, University of Edinburgh, Edinburgh, EH16 4SB, UK
| | - Julia Weber
- Division of Infection and Pathway Medicine, University of Edinburgh, Edinburgh, EH16 4SB, UK
| | - Orland Gonzalez
- Institute for Informatics, Ludwig-Maximilians Universität München, 80333, München, Germany
| | - Ralf Zimmer
- Institute for Informatics, Ludwig-Maximilians Universität München, 80333, München, Germany
| | - Samantha J Griffiths
- Division of Infection and Pathway Medicine, University of Edinburgh, Edinburgh, EH16 4SB, UK.
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27
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El-Mokhtar MA, Bauer A, Madela J, Voigt S. Cellular distribution of CD200 receptor in rats and its interaction with cytomegalovirus e127 protein. Med Microbiol Immunol 2018; 207:307-318. [PMID: 30032349 DOI: 10.1007/s00430-018-0552-3] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2018] [Accepted: 07/17/2018] [Indexed: 12/11/2022]
Abstract
CD200 is a membrane protein that interacts with CD200R on the surface of immune cells and delivers an inhibitory signal. In this study, we characterized the distribution of inhibitory CD200R in rats. In addition, we investigated if e127, a homologue of rat CD200 expressed by rat cytomegalovirus (RCMV), can suppress immune functions in vitro. RT-PCR analysis was carried out to test the expression of CD200R in different rat tissues and flow cytometry was performed to characterize CD200R at the cellular level. To test the inhibitory functions of e127, a co-culture system was utilized in which immune cells were incubated with e127-expressing cells. The strongest CD200R expression was detected in lymphoid organs such as bone marrow and spleen. Flow cytometry analyses showed that CD200R+ cells were mainly CD4- dendritic cells (DC) and CD4+ T cells in the spleen. In blood, nearly all monocytes and granulocytes expressed CD200R and in bone marrow the NKRP1low subset of natural killer cells highly expressed CD200R. In addition, both peritoneal macrophages and the NR8383 macrophage cell line carried CD200R. At the functional level, viral e127 conferred an inhibitory signal on TNFα and IL6 cytokine release from IFNγ-stimulated macrophages. However, e127 did not affect the cytotoxic activity of DC. CD200R in the rat is mainly expressed on myeloid cells but also on non-myeloid cell subsets, and RCMV e127 can deliver inhibitory signals to immune cells by engaging CD200R. The RCMV model provides a useful tool to study potential immune evasion mechanisms of the herpesviridae and opens new avenues for understanding and controlling herpesvirus infections.
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Affiliation(s)
- Mohamed A El-Mokhtar
- Department of Infectious Diseases, Robert Koch Institute, Berlin, Germany.,Department of Medical Microbiology and Immunology, Faculty of Medicine, Assiut University, Assiut, Egypt
| | - Agnieszka Bauer
- Department of Infectious Diseases, Robert Koch Institute, Berlin, Germany
| | - Julia Madela
- Department of Infectious Diseases, Robert Koch Institute, Berlin, Germany
| | - Sebastian Voigt
- Department of Infectious Diseases, Robert Koch Institute, Berlin, Germany. .,Department of Pediatric Oncology/Hematology/SCT, Charité-Universitätsmedizin, Berlin, Germany.
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28
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Ke F, Gui JF, Chen ZY, Li T, Lei CK, Wang ZH, Zhang QY. Divergent transcriptomic responses underlying the ranaviruses-amphibian interaction processes on interspecies infection of Chinese giant salamander. BMC Genomics 2018; 19:211. [PMID: 29558886 PMCID: PMC5861657 DOI: 10.1186/s12864-018-4596-y] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2017] [Accepted: 03/12/2018] [Indexed: 12/21/2022] Open
Abstract
Background Ranaviruses (family Iridoviridae, nucleocytoplasmic large DNA viruses) have been reported as promiscuous pathogens of cold-blooded vertebrates. Rana grylio virus (RGV, a ranavirus), from diseased frog Rana grylio with a genome of 105.79 kb and Andrias davidianus ranavirus (ADRV), from diseased Chinese giant salamander (CGS) with a genome of 106.73 kb, contains 99% homologous genes. Results To uncover the differences in virus replication and host responses under interspecies infection, we analyzed transcriptomes of CGS challenged with RGV and ADRV in different time points (1d, 7d) for the first time. A total of 128,533 unigenes were obtained from 820,858,128 clean reads. Transcriptome analysis revealed stronger gene expression of RGV than ADRV at 1 d post infection (dpi), which was supported by infection in vitro. RGV replicated faster and had higher titers than ADRV in cultured CGS cell line. RT-qPCR revealed the RGV genes including the immediate early gene (RGV-89R) had higher expression level than that of ADRV at 1 dpi. It further verified the acute infection of RGV in interspecies infection. The number of differentially expressed genes and enriched pathways from RGV were lower than that from ADRV, which reflected the variant host responses at transcriptional level. No obvious changes of key components in pathway “Antigen processing and presentation” were detected for RGV at 1 dpi. Contrarily, ADRV infection down-regulated the expression levels of MHC I and CD8. The divergent host immune responses revealed the differences between interspecies and natural infection, which may resulted in different fates of the two viruses. Altogether, these results revealed the differences in transcriptome responses among ranavirus interspecies infection of amphibian and new insights in DNA virus-host interactions in interspecies infection. Conclusion The DNA virus (RGV) not only expressed self-genes and replicated quickly after entry into host under interspecies infection, but also avoided the over-activation of host responses. The strategy could gain time for the survival of interspecies pathogen, and may provide opportunity for its adaptive evolution and interspecies transmission. Electronic supplementary material The online version of this article (10.1186/s12864-018-4596-y) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Fei Ke
- State Key Laboratory of Freshwater Ecology and Biotechnology, Institute of Hydrobiology, Chinese Academy of Sciences, Wuhan, 430072, China
| | - Jian-Fang Gui
- State Key Laboratory of Freshwater Ecology and Biotechnology, Institute of Hydrobiology, Chinese Academy of Sciences, Wuhan, 430072, China
| | - Zhong-Yuan Chen
- State Key Laboratory of Freshwater Ecology and Biotechnology, Institute of Hydrobiology, Chinese Academy of Sciences, Wuhan, 430072, China
| | - Tao Li
- State Key Laboratory of Freshwater Ecology and Biotechnology, Institute of Hydrobiology, Chinese Academy of Sciences, Wuhan, 430072, China
| | - Cun-Ke Lei
- State Key Laboratory of Freshwater Ecology and Biotechnology, Institute of Hydrobiology, Chinese Academy of Sciences, Wuhan, 430072, China
| | - Zi-Hao Wang
- State Key Laboratory of Freshwater Ecology and Biotechnology, Institute of Hydrobiology, Chinese Academy of Sciences, Wuhan, 430072, China
| | - Qi-Ya Zhang
- State Key Laboratory of Freshwater Ecology and Biotechnology, Institute of Hydrobiology, Chinese Academy of Sciences, Wuhan, 430072, China.
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Freud AG, Mundy-Bosse BL, Yu J, Caligiuri MA. The Broad Spectrum of Human Natural Killer Cell Diversity. Immunity 2017; 47:820-833. [PMID: 29166586 DOI: 10.1016/j.immuni.2017.10.008] [Citation(s) in RCA: 429] [Impact Index Per Article: 61.3] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2017] [Revised: 10/07/2017] [Accepted: 10/16/2017] [Indexed: 11/17/2022]
Abstract
Natural killer (NK) cells provide protection against infectious pathogens and cancer. For decades it has been appreciated that two major NK cell subsets (CD56bright and CD56dim) exist in humans and have distinct anatomical localization patterns, phenotypes, and functions in immunity. In light of this traditional NK cell dichotomy, it is now clear that the spectrum of human NK cell diversity is much broader than originally appreciated as a result of variegated surface receptor, intracellular signaling molecule, and transcription factor expression; tissue-specific imprinting; and foreign antigen exposure. The recent discoveries of tissue-resident NK cell developmental intermediates, non-NK innate lymphoid cells, and the capacity for NK cells to adapt and differentiate into long-lived memory cells has added further complexity to this field. Here we review our current understanding of the breadth and generation of human NK cell diversity.
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Affiliation(s)
- Aharon G Freud
- Department of Pathology, The Ohio State University, Columbus, OH 43210, USA; Comprehensive Cancer Center and The James Cancer Hospital and Solove Research Institute, The Ohio State University, Columbus, OH 43210, USA.
| | - Bethany L Mundy-Bosse
- Division of Hematology, Department of Internal Medicine, The Ohio State University, Columbus, OH 43210, USA; Comprehensive Cancer Center and The James Cancer Hospital and Solove Research Institute, The Ohio State University, Columbus, OH 43210, USA
| | - Jianhua Yu
- Division of Hematology, Department of Internal Medicine, The Ohio State University, Columbus, OH 43210, USA; Comprehensive Cancer Center and The James Cancer Hospital and Solove Research Institute, The Ohio State University, Columbus, OH 43210, USA
| | - Michael A Caligiuri
- Division of Hematology, Department of Internal Medicine, The Ohio State University, Columbus, OH 43210, USA; Comprehensive Cancer Center and The James Cancer Hospital and Solove Research Institute, The Ohio State University, Columbus, OH 43210, USA.
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30
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Ouwendijk WJD, van Veen S, Mahalingam R, Verjans GMGM. Simian varicella virus inhibits the interferon gamma signalling pathway. J Gen Virol 2017; 98:2582-2588. [PMID: 28901902 PMCID: PMC5845570 DOI: 10.1099/jgv.0.000925] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2017] [Accepted: 08/22/2017] [Indexed: 01/08/2023] Open
Abstract
The alphaherpesvirus simian varicella virus (SVV) causes varicella and zoster in nonhuman primates. Herpesviruses evolved elaborate mechanisms to escape host immunity, but the immune evasion strategies employed by SVV remain ill-defined. We analysed whether SVV impairs the cellular response to key antiviral cytokine interferon-γ (IFNγ). SVV infection inhibited the expression of IFNγ-induced genes like C-X-C motif chemokine 10 and interferon regulatory factor 1. Phosphorylation and nuclear translocation of the signal transducer and activator of transcription 1 (STAT1) was blocked in SVV-infected cells, which did not involve cellular and viral phosphatases. SVV infection did not downregulate IFNγ receptor α and β chain expression on the cell surface. Instead, STAT1, Janus tyrosine kinases 1 (JAK1) and JAK2 protein levels were significantly decreased in SVV-infected cells. Collectively, these results demonstrate that SVV targets three proteins in the IFNγ signal transduction pathway to escape the antiviral effects of IFNγ.
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Affiliation(s)
| | - Suzanne van Veen
- Department of Viroscience, Erasmus MC, Rotterdam, The Netherlands
| | - Ravi Mahalingam
- Department of Neurology, University of Colorado School of Medicine, Aurora, Colorado, USA
| | - Georges M. G. M. Verjans
- Department of Viroscience, Erasmus MC, Rotterdam, The Netherlands
- Research Center for Emerging Infections and Zoonoses, University of Veterinary Medicine Hannover, Hannover, Germany
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31
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van Diemen FR, Lebbink RJ. CRISPR/Cas9, a powerful tool to target human herpesviruses. Cell Microbiol 2016; 19. [PMID: 27860066 DOI: 10.1111/cmi.12694] [Citation(s) in RCA: 34] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2016] [Revised: 11/07/2016] [Accepted: 11/14/2016] [Indexed: 12/11/2022]
Abstract
Over 90% of the adult population is infected with one or multiple herpesviruses. These viruses are characterized by their ability to establish latency, where the host is unable to clear the invader from infected cells resulting in a lifelong infection. Herpesviruses cause a wide variety of (recurrent) diseases such as cold sores, shingles, congenital defects and several malignancies. Although the productive phase of a herpesvirus infection can often be efficiently limited by nucleoside analogs, these drugs are ineffective during a latent herpesvirus infection and are therefore unable to clear herpesviruses from the human host. Advances in genome engineering using clustered regularly interspaced short palindromic repeats (CRISPR)/Cas9 facilitates virus research and may hold potential to treat or cure previously incurable herpesvirus infections by directly targeting these viruses within infected cells. Here, we review recent applications of the CRISPR/Cas9 system for herpesviral research and discuss the therapeutic potential of the system to treat, or even cure, productive and latent herpesviral infections.
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Affiliation(s)
- Ferdy R van Diemen
- Department of Medical Microbiology, University Medical Center Utrecht, Utrecht, The Netherlands.,Utrecht Cornea Research Group, Department of Ophthalmology, University Medical Center Utrecht, Utrecht, The Netherlands
| | - Robert Jan Lebbink
- Department of Medical Microbiology, University Medical Center Utrecht, Utrecht, The Netherlands
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32
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Cardoso TC, Ferreira HL, Okamura LH, Giroto TP, Oliveira BRSM, Fabri CUF, Gameiro R, Flores EF. Cellular response markers and cytokine gene expression in the central nervous system of cattle naturally infected with bovine herpesvirus 5. Vet J 2016; 218:71-77. [PMID: 27938713 DOI: 10.1016/j.tvjl.2016.11.014] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/29/2016] [Revised: 11/16/2016] [Accepted: 11/20/2016] [Indexed: 10/20/2022]
Abstract
The present study reports an investigation on the phenotype of inflammatory and immune cells, cytokine and viral gene expression in the brains of cattle naturally infected with bovine herpesvirus 5 (BHV5). Brain sections of 38 affected animals were analysed for the nature and extent of perivascular cuffs in the Virchow-Robin space and parenchyma. Histopathological changes were severe in the olfactory bulbs (Obs), hippocampus, piriform, frontal, temporal and parietal cortices/lobes and were characterized by inflammatory infiltrates in Virchow-Robin spaces. The histopathological changes correlated positively with the distribution of BHV5 antigens (r = 0.947; P < 0.005). Cells of CD3+ phenotype were predominant in areas with severe perivascular cuffs. Viral antigens and genomic viral DNA were detected in the Obs and piriform lobe, simultaneously (r = 0.987; P < 0.005). Similarly, pro-inflammatory cytokine genes INFG, IL2, TNF and LTBR were expressed in the same brain areas (P < 0.005). These results provide important information on the inflammatory and immunological events accompanying BHV5 neurological infections. Our findings provide the first evidence for increased immune activation followed by inflammatory cytokine expression, positively correlated with viral replication in the cranial areas of the brain. Taken together, these results suggest that the host immune response and inflammation play a crucial role in the pathogenesis of acute encephalitis by BHV5 in cattle.
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Affiliation(s)
- T C Cardoso
- Laboratory of Animal Virology and Cell Culture, College of Veterinary Medicine, Univ - Universidade Estadual Paulista, Araçatuba, São Paulo 16050-680, Brazil.
| | - H L Ferreira
- Department of Veterinary Medicine, FZEA-USP-University of Sao Paulo, Av. Duque de Caxias Norte, 225, Pirassununga, São Paulo 13635-900, Brazil
| | - L H Okamura
- Laboratory of Animal Virology and Cell Culture, College of Veterinary Medicine, Univ - Universidade Estadual Paulista, Araçatuba, São Paulo 16050-680, Brazil
| | - T P Giroto
- Laboratory of Animal Virology and Cell Culture, College of Veterinary Medicine, Univ - Universidade Estadual Paulista, Araçatuba, São Paulo 16050-680, Brazil
| | - B R S M Oliveira
- Laboratory of Animal Virology and Cell Culture, College of Veterinary Medicine, Univ - Universidade Estadual Paulista, Araçatuba, São Paulo 16050-680, Brazil
| | - C U F Fabri
- Laboratory of Animal Virology and Cell Culture, College of Veterinary Medicine, Univ - Universidade Estadual Paulista, Araçatuba, São Paulo 16050-680, Brazil
| | - R Gameiro
- Laboratory of Animal Virology and Cell Culture, College of Veterinary Medicine, Univ - Universidade Estadual Paulista, Araçatuba, São Paulo 16050-680, Brazil
| | - E F Flores
- Virology Section, Federal University of Santa Maria, Santa Maria, Rio Grande do Sul 97115-900, Brazil
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33
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Reichert M, Borzym E, Matras M, Maj-Paluch J, Stachnik M, Palusinska M. Down-regulation of MHC class I mRNA expression in the course of KHV infection. JOURNAL OF FISH DISEASES 2016; 39:1253-1256. [PMID: 26776370 DOI: 10.1111/jfd.12451] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/16/2015] [Revised: 11/19/2015] [Accepted: 11/20/2015] [Indexed: 06/05/2023]
Affiliation(s)
- M Reichert
- Department of Fish Diseases, National Veterinary Reserch Institute, Puławy, Poland
| | - E Borzym
- Department of Fish Diseases, National Veterinary Reserch Institute, Puławy, Poland
| | - M Matras
- Department of Fish Diseases, National Veterinary Reserch Institute, Puławy, Poland
| | - J Maj-Paluch
- Department of Fish Diseases, National Veterinary Reserch Institute, Puławy, Poland
| | - M Stachnik
- Department of Fish Diseases, National Veterinary Reserch Institute, Puławy, Poland
| | - M Palusinska
- Department of Fish Diseases, National Veterinary Reserch Institute, Puławy, Poland
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34
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Gan J, Qiao N, Strahan R, Zhu C, Liu L, Verma SC, Wei F, Cai Q. Manipulation of ubiquitin/SUMO pathways in human herpesviruses infection. Rev Med Virol 2016; 26:435-445. [DOI: 10.1002/rmv.1900] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2016] [Revised: 07/03/2016] [Accepted: 07/25/2016] [Indexed: 12/17/2022]
Affiliation(s)
- Jin Gan
- MOE & MOH Key Laboratory of Medical Molecular Virology, School of Basic Medicine, Shanghai Medical College; Fudan University; Shanghai China
| | - Niu Qiao
- Department of Medical Systems Biology, School of Basic Medical Sciences; Department of Translational Medicine, Shanghai Public Health Clinical Center; Institutes of Biomedical Sciences, Fudan University; Shanghai China
| | - Roxanne Strahan
- Department of Microbiology & Immunology; University of Nevada, Reno School of Medicine; Reno NV USA
| | - Caixia Zhu
- MOE & MOH Key Laboratory of Medical Molecular Virology, School of Basic Medicine, Shanghai Medical College; Fudan University; Shanghai China
| | - Lei Liu
- Department of Medical Systems Biology, School of Basic Medical Sciences; Department of Translational Medicine, Shanghai Public Health Clinical Center; Institutes of Biomedical Sciences, Fudan University; Shanghai China
| | - Subhash C. Verma
- Department of Microbiology & Immunology; University of Nevada, Reno School of Medicine; Reno NV USA
| | - Fang Wei
- ShengYushou Center of Cell Biology and Immunology, School of Life Sciences and Biotechnology; Shanghai Jiao Tong University; Shanghai China
| | - Qiliang Cai
- MOE & MOH Key Laboratory of Medical Molecular Virology, School of Basic Medicine, Shanghai Medical College; Fudan University; Shanghai China
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35
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Cardoso TC, Rosa ACG, Ferreira HL, Okamura LH, Oliveira BRSM, Vieira FV, Silva-Frade C, Gameiro R, Flores EF. Bovine herpesviruses induce different cell death forms in neuronal and glial-derived tumor cell cultures. J Neurovirol 2016; 22:725-735. [PMID: 27311457 DOI: 10.1007/s13365-016-0444-5] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2015] [Revised: 03/29/2016] [Accepted: 04/04/2016] [Indexed: 12/14/2022]
Abstract
Oncolytic viruses have the ability to infect tumor cells and leave healthy cells intact. In this study, bovine herpesvirus 1 (BHV1; Los Angeles, Cooper, and SV56/90 strains) and bovine herpesvirus 5 (BHV5; SV507/99 and GU9457818 strains) were used to infect two neuronal tumor cell lineages: neuro2a (mouse neuroblastoma cells) and C6 (rat glial cells). BHV1 and BHV5 strains infected both cell lines and positively correlated with viral antigen detection (p < 0.005). When neuro2a cells were infected by Los Angeles, SV507/99, and GU9457818 strains, 40 % of infected cells were under early apoptosis and necroptosis pathways. Infected C6 cells were >40 % in necroptosis phase when infected by BHV5 (GU9457818 strain). Blocking caspase activation did not interfere with cell death. However, when necroptosis was blocked, 60-80 % of both infected cells with either virus switched to early apoptosis pathway with no interference with virus replication. Moreover, reactive oxygen species production and mitochondrial membrane dysfunction were detected at high levels in both infected cell lines. In spite of apoptosis and necroptosis blockage, tumor necrosis factor alpha (TNFA) and virus transcription were positively correlated for all viral strains studied. Thus, these results contribute to the characterization of BHV1 and BHV5 as potential oncolytic viruses for non-human cells. Nonetheless, the mechanisms underlying their oncolytic activity in human cells are still to be determined.
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Affiliation(s)
- Tereza C Cardoso
- DAPSA Department, Laboratory of Animal Virology and Cell Culture, College of Veterinary Medicine, Universidade Estadual Paulista, Araçatuba, São Paulo, 16050-680, Brazil.
| | - Ana Carolina G Rosa
- DAPSA Department, Laboratory of Animal Virology and Cell Culture, College of Veterinary Medicine, Universidade Estadual Paulista, Araçatuba, São Paulo, 16050-680, Brazil
| | - Helena L Ferreira
- DAPSA Department, Laboratory of Animal Virology and Cell Culture, College of Veterinary Medicine, Universidade Estadual Paulista, Araçatuba, São Paulo, 16050-680, Brazil
- FZEA-USP, Departamento de Medicina Veterinária, Av. Duque de Caxias Norte, 225, Pirassununga, SP, CEP 13635-900, Brazil
| | - Lucas H Okamura
- DAPSA Department, Laboratory of Animal Virology and Cell Culture, College of Veterinary Medicine, Universidade Estadual Paulista, Araçatuba, São Paulo, 16050-680, Brazil
| | - Bruna R S M Oliveira
- DAPSA Department, Laboratory of Animal Virology and Cell Culture, College of Veterinary Medicine, Universidade Estadual Paulista, Araçatuba, São Paulo, 16050-680, Brazil
| | - Flavia V Vieira
- DAPSA Department, Laboratory of Animal Virology and Cell Culture, College of Veterinary Medicine, Universidade Estadual Paulista, Araçatuba, São Paulo, 16050-680, Brazil
| | - Camila Silva-Frade
- DAPSA Department, Laboratory of Animal Virology and Cell Culture, College of Veterinary Medicine, Universidade Estadual Paulista, Araçatuba, São Paulo, 16050-680, Brazil
| | - Roberto Gameiro
- DAPSA Department, Laboratory of Animal Virology and Cell Culture, College of Veterinary Medicine, Universidade Estadual Paulista, Araçatuba, São Paulo, 16050-680, Brazil
| | - Eduardo F Flores
- Virology Section, Federal University of Santa Maria, Santa Maria, 97115-900, RS, Brazil
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36
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Chen DS, Wu YQ, Zhang W, Jiang SJ, Chen SZ. Horizontal gene transfer events reshape the global landscape of arm race between viruses and homo sapiens. Sci Rep 2016; 6:26934. [PMID: 27270140 PMCID: PMC4895215 DOI: 10.1038/srep26934] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2016] [Accepted: 05/09/2016] [Indexed: 12/20/2022] Open
Abstract
Horizontal gene transfer (HGT) drives the evolution of recipient organism particularly if it provides a novel function which enhances the fitness or its adaption to the environment. Virus-host co-evolution is attractive for studying co-evolutionary processes, since viruses strictly replicate inside of the host cells and thus their evolution is inexorably tangled with host biology. HGT, as a mechanism of co-evolution between human and viruses, has been widely documented, however, the roles HGT play during the interaction between human and viruses are still in their infancy. In this study, we performed a comprehensive analysis on the genes horizontally transferred between viruses and their corresponding human hosts. Our study suggests that the HGT genes in human are predominantly enriched in immune related GO terms while viral HGT genes are tend to be encoded by viruses which promote the invasion of immune system of hosts. Based on our results, it gives us a hint about the evolution trajectory of HGT events. Overall, our study suggests that the HGT between human and viruses are highly relevant to immune interaction and probably reshaped the arm race between hosts and viruses.
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Affiliation(s)
- Dong-Sheng Chen
- Department of Genetics, University of Cambridge, Cambridge, CB2 3EH, UK
| | - Yi-Quan Wu
- Max von Pettenkofer-Institute for Virology, Ludwig-Maximilians-University Munich, 80336 Munich, Germany
| | - Wei Zhang
- Research unit gene vector, Helmholtz Zentrum, 81377 Munich, Germany
| | - San-Jie Jiang
- Department of Plant Sciences, University of Cambridge, Cambridge, CB2 3EA, UK
| | - Shan-Ze Chen
- Department of Pathophysiology, West China School of Preclinical Sciences and Forensic Medicine, Sichuan University, 610041 Chengdu, Sichuan Province, China
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37
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A review of fibropapillomatosis in Green turtles (Chelonia mydas). Vet J 2015; 212:48-57. [PMID: 27256025 DOI: 10.1016/j.tvjl.2015.10.041] [Citation(s) in RCA: 93] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/28/2014] [Revised: 10/16/2015] [Accepted: 10/16/2015] [Indexed: 12/25/2022]
Abstract
Despite being identified in 1938, many aspects of the pathogenesis and epidemiology of fibropapillomatosis (FP) in marine turtles are yet to be fully uncovered. Current knowledge suggests that FP is an emerging infectious disease, with the prevalence varying both spatially and temporally, even between localities in close proximity to each other. A high prevalence of FP in marine turtles has been correlated with residency in areas of reduced water quality, indicating that there is an environmental influence on disease presentation. Chelonid herpesvirus 5 (ChHV5) has been identified as the likely aetiological agent of FP. The current taxonomic position of ChHV5 is in the family Herpesviridae, subfamily Alphaherpesvirinae, genus Scutavirus. Molecular differentiation of strains has revealed that a viral variant is typically present at specific locations, even within sympatric species of marine turtles, indicating that the disease FP originates regionally. There is uncertainty surrounding the exact path of transmission and the conditions that facilitate lesion development, although recent research has identified atypical genes within the genome of ChHV5 that may play a role in pathogenesis. This review discusses emerging areas where researchers might focus and theories behind the emergence of FP globally since the 1980s, which appear to be a multi-factorial interplay between the virus, the host and environmental factors influencing disease expression.
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Schellens IMM, Hoof I, Meiring HD, Spijkers SNM, Poelen MCM, van Gaans-van den Brink JAM, van der Poel K, Costa AI, van Els CACM, van Baarle D, Kesmir C. Comprehensive Analysis of the Naturally Processed Peptide Repertoire: Differences between HLA-A and B in the Immunopeptidome. PLoS One 2015; 10:e0136417. [PMID: 26375851 PMCID: PMC4574158 DOI: 10.1371/journal.pone.0136417] [Citation(s) in RCA: 41] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/29/2014] [Accepted: 08/04/2015] [Indexed: 01/23/2023] Open
Abstract
The cytotoxic T cell (CTL) response is determined by the peptide repertoire presented by the HLA class I molecules of an individual. We performed an in-depth analysis of the peptide repertoire presented by a broad panel of common HLA class I molecules on four B lymphoblastoid cell-lines (BLCL). Peptide elution and mass spectrometry analysis were utilised to investigate the number and abundance of self-peptides. Altogether, 7897 unique self-peptides, derived of 4344 proteins, were eluted. After viral infection, the number of unique self-peptides eluted significantly decreased compared to uninfected cells, paralleled by a decrease in the number of source proteins. In the overall dataset, the total number of unique self-peptides eluted from HLA-B molecules was larger than from HLA-A molecules, and they were derived from a larger number of source proteins. These results in B cells suggest that HLA-B molecules possibly present a more diverse repertoire compared to their HLA-A counterparts, which may contribute to their immunodominance. This study provides a unique data set giving new insights into the complex system of antigen presentation for a broad panel of HLA molecules, many of which were never studied this extensively before.
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Affiliation(s)
- Ingrid M. M. Schellens
- Laboratory of Translational Immunology, Department of Immunology, University Medical Center Utrecht, Utrecht, the Netherlands
- Department of Internal Medicine and Infectious Diseases, University Medical Center Utrecht, Utrecht, the Netherlands
- Centre for Immunology of Infectious Diseases and Vaccines, National Institute for Public Health and the Environment, Bilthoven, The Netherlands
| | - Ilka Hoof
- Theoretical Biology and Bioinformatics, Utrecht University, Utrecht, The Netherlands
| | - Hugo D. Meiring
- Centre for Immunology of Infectious Diseases and Vaccines, National Institute for Public Health and the Environment, Bilthoven, The Netherlands
- Institute for Translational Vaccinology (Intravacc), Bilthoven, The Netherlands
| | - Sanne N. M. Spijkers
- Laboratory of Translational Immunology, Department of Immunology, University Medical Center Utrecht, Utrecht, the Netherlands
| | - Martien C. M. Poelen
- Centre for Immunology of Infectious Diseases and Vaccines, National Institute for Public Health and the Environment, Bilthoven, The Netherlands
| | | | - Kees van der Poel
- Laboratory of Translational Immunology, Department of Immunology, University Medical Center Utrecht, Utrecht, the Netherlands
| | - Ana I. Costa
- Laboratory of Translational Immunology, Department of Immunology, University Medical Center Utrecht, Utrecht, the Netherlands
| | - Cecile A. C. M. van Els
- Centre for Immunology of Infectious Diseases and Vaccines, National Institute for Public Health and the Environment, Bilthoven, The Netherlands
| | - Debbie van Baarle
- Laboratory of Translational Immunology, Department of Immunology, University Medical Center Utrecht, Utrecht, the Netherlands
- Department of Internal Medicine and Infectious Diseases, University Medical Center Utrecht, Utrecht, the Netherlands
- Centre for Immunology of Infectious Diseases and Vaccines, National Institute for Public Health and the Environment, Bilthoven, The Netherlands
- * E-mail:
| | - Can Kesmir
- Theoretical Biology and Bioinformatics, Utrecht University, Utrecht, The Netherlands
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Cardoso TC, Ferreira HL, Okamura LH, Oliveira BRSM, Rosa ACG, Gameiro R, Flores EF. RETRACTED ARTICLE: Comparative analysis of the replication of bovine herpesvirus 1 (BHV1) and BHV5 in bovine-derived neuron-like cells. Arch Virol 2015; 160:2683-91. [DOI: 10.1007/s00705-015-2537-5] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2015] [Accepted: 07/17/2015] [Indexed: 11/28/2022]
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van Gent M, Gram AM, Boer IGJ, Geerdink RJ, Lindenbergh MFS, Lebbink RJ, Wiertz EJ, Ressing ME. Silencing the shutoff protein of Epstein–Barr virus in productively infected B cells points to (innate) targets for immune evasion. J Gen Virol 2015; 96:858-865. [DOI: 10.1099/jgv.0.000021] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023] Open
Affiliation(s)
- Michiel van Gent
- Department of Medical Microbiology, University Medical Center Utrecht, Utrecht, The Netherlands
| | - Anna M. Gram
- Department of Molecular Cell Biology, Leiden University Medical Center, Leiden, The Netherlands
- Department of Medical Microbiology, University Medical Center Utrecht, Utrecht, The Netherlands
| | - Ingrid G. J. Boer
- Department of Medical Microbiology, University Medical Center Utrecht, Utrecht, The Netherlands
| | - Ruben J. Geerdink
- Department of Medical Microbiology, University Medical Center Utrecht, Utrecht, The Netherlands
| | | | - Robert Jan Lebbink
- Department of Medical Microbiology, University Medical Center Utrecht, Utrecht, The Netherlands
| | - Emmanuel J. Wiertz
- Department of Medical Microbiology, University Medical Center Utrecht, Utrecht, The Netherlands
| | - Maaike E. Ressing
- Department of Molecular Cell Biology, Leiden University Medical Center, Leiden, The Netherlands
- Department of Medical Microbiology, University Medical Center Utrecht, Utrecht, The Netherlands
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de Munnik SM, Smit MJ, Leurs R, Vischer HF. Modulation of cellular signaling by herpesvirus-encoded G protein-coupled receptors. Front Pharmacol 2015; 6:40. [PMID: 25805993 PMCID: PMC4353375 DOI: 10.3389/fphar.2015.00040] [Citation(s) in RCA: 33] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2014] [Accepted: 02/12/2015] [Indexed: 12/22/2022] Open
Abstract
Human herpesviruses (HHVs) are widespread infectious pathogens that have been associated with proliferative and inflammatory diseases. During viral evolution, HHVs have pirated genes encoding viral G protein-coupled receptors (vGPCRs), which are expressed on infected host cells. These vGPCRs show highest homology to human chemokine receptors, which play a key role in the immune system. Importantly, vGPCRs have acquired unique properties such as constitutive activity and the ability to bind a broad range of human chemokines. This allows vGPCRs to hijack human proteins and modulate cellular signaling for the benefit of the virus, ultimately resulting in immune evasion and viral dissemination to establish a widespread and lifelong infection. Knowledge on the mechanisms by which herpesviruses reprogram cellular signaling might provide insight in the contribution of vGPCRs to viral survival and herpesvirus-associated pathologies.
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Affiliation(s)
- Sabrina M de Munnik
- Amsterdam Institute for Molecules Medicines and Systems - Division of Medicinal Chemistry, Department of Chemistry and Pharmaceutical Sciences, VU University Amsterdam, Amsterdam Netherlands
| | - Martine J Smit
- Amsterdam Institute for Molecules Medicines and Systems - Division of Medicinal Chemistry, Department of Chemistry and Pharmaceutical Sciences, VU University Amsterdam, Amsterdam Netherlands
| | - Rob Leurs
- Amsterdam Institute for Molecules Medicines and Systems - Division of Medicinal Chemistry, Department of Chemistry and Pharmaceutical Sciences, VU University Amsterdam, Amsterdam Netherlands
| | - Henry F Vischer
- Amsterdam Institute for Molecules Medicines and Systems - Division of Medicinal Chemistry, Department of Chemistry and Pharmaceutical Sciences, VU University Amsterdam, Amsterdam Netherlands
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Sunarto A, McColl KA. Expression of immune-related genes of common carp during cyprinid herpesvirus 3 infection. DISEASES OF AQUATIC ORGANISMS 2015; 113:127-135. [PMID: 25751855 DOI: 10.3354/dao02824] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/04/2023]
Abstract
Fish herpesviruses and their hosts may have coevolved for 400 to 450 million yr. During this coexistence, the hosts have equipped themselves with an elaborate immune system to defend themselves from invading viruses, whereas the viruses have developed strategies to evade host immunity, including the expression of cytokine genes that have been captured from the host. Taking advantage of our experimental model for cyprinid herpesvirus 3 (CyHV-3) persistence in carp, we studied the gene expression of host and virus immune-related genes in each stage of infection: acute, persistent and reactivation phases. IFNγ-1, IFNγ-2, IL-12 and IL-10 host genes, and the CyHV-3 vIL-10 gene (khvIL-10) were highly significantly up-regulated in different phases of CyHV-3 infection. Similarly, host IL-1β was up-regulated in the acute phase of CyHV-3 infection. There was no significant difference in the expression of host TNFα-1 and MHC-II genes during all phases of CyHV-3 infection. Based on the expression profile of carp immune-related genes in each stage of CyHV-3 infection, we propose a possible interaction between carp IL-12, carp IL-10 and khvIL-10 during the course of viral infection. To our knowledge, this is the first report on the expression of cytokine genes during all phases (acute, persistent and reactivation) of CyHV-3 infection.
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Affiliation(s)
- Agus Sunarto
- CSIRO Biosecurity Flagship, Australian Animal Health Laboratory, Geelong, VIC 3220, Australia
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Abstract
ABSTRACT Viruses have evolved to subvert host cell pathways to enable their replication and persistence. In particular, virus-encoded gene products target the host's immune system to evade elimination by antiviral immune defenses. Cytokines are soluble, secreted proteins, which regulate many aspects of immune responses, by providing signals through cell surface receptors on target cells. Cytokine pathways are therefore attractive targets for modulation by viruses during their replication cycle. This review deals with modulation of cytokine pathways by the human herpesvirus, a family of viruses that are capable of life-long persistence in the host and cause severe disease particularly in immunocompromised individuals.
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Alfaro-Núñez A, Frost Bertelsen M, Bojesen AM, Rasmussen I, Zepeda-Mendoza L, Tange Olsen M, Gilbert MTP. Global distribution of Chelonid fibropapilloma-associated herpesvirus among clinically healthy sea turtles. BMC Evol Biol 2014; 14:206. [PMID: 25342462 PMCID: PMC4219010 DOI: 10.1186/s12862-014-0206-z] [Citation(s) in RCA: 42] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/03/2014] [Accepted: 09/21/2014] [Indexed: 01/09/2023] Open
Abstract
Background Fibropapillomatosis (FP) is a neoplastic disease characterized by cutaneous tumours that has been documented to infect all sea turtle species. Chelonid fibropapilloma-associated herpesvirus (CFPHV) is believed to be the aetiological agent of FP, based principally on consistent PCR-based detection of herpesvirus DNA sequences from FP tumours. We used a recently described PCR-based assay that targets 3 conserved CFPHV genes, to survey 208 green turtles (Chelonia mydas). This included both FP tumour exhibiting and clinically healthy individuals. An additional 129 globally distributed clinically healthy individual sea turtles; representing four other species were also screened. Results CFPHV DNA sequences were obtained from 37/37 (100%) FP exhibiting green turtles, and 45/300 (15%) clinically healthy animals spanning all five species. Although the frequency of infected individuals per turtle population varied considerably, most global populations contained at least one CFPHV positive individual, with the exception of various turtle species from the Arabian Gulf, Northern Indian Ocean and Puerto Rico. Haplotype analysis of the different gene markers clustered the CFPHV DNA sequences for two of the markers (UL18 and UL22) in turtles from Turks and Caicos separate to all others, regardless of host species or geographic origin. Conclusion Presence of CFPHV DNA within globally distributed samples for all five species of sea turtle was confirmed. While 100% of the FP exhibiting green turtles yielded CFPHV sequences, surprisingly, so did 15% of the clinically healthy turtles. We hypothesize that turtle populations with zero (0%) CFPHV frequency may be attributed to possible environmental differences, diet and/or genetic resistance in these individuals. Our results provide first data on the prevalence of CFPHV among seemingly healthy turtles; a factor that may not be directly correlated to the disease incidence, but may suggest of a long-term co-evolutionary latent infection interaction between CFPHV and its turtle-host across species. Finally, computational analysis of amino acid variants within the Turks and Caicos samples suggest potential functional importance in a substitution for marker UL18 that encodes the major capsid protein gene, which potentially could explain differences in pathogenicity. Nevertheless, such a theory remains to be validated by further research. Electronic supplementary material The online version of this article (doi:10.1186/s12862-014-0206-z) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Alonzo Alfaro-Núñez
- Centre for GeoGenetics, Section for Evolutionary Genomics, Natural History Museum of Denmark, Øster Voldgade 5-7, 1350, Copenhagen K, Denmark.
| | | | - Anders Miki Bojesen
- Department of Veterinary Disease Biology, Veterinary Clinical Microbiology, Faculty of Health and Medical Sciences, University of Copenhagen, Copenhagen, Denmark.
| | - Isabel Rasmussen
- Centre for GeoGenetics, Section for Evolutionary Genomics, Natural History Museum of Denmark, Øster Voldgade 5-7, 1350, Copenhagen K, Denmark.
| | - Lisandra Zepeda-Mendoza
- Centre for GeoGenetics, Section for Evolutionary Genomics, Natural History Museum of Denmark, Øster Voldgade 5-7, 1350, Copenhagen K, Denmark.
| | - Morten Tange Olsen
- Centre for GeoGenetics, Section for Evolutionary Genomics, Natural History Museum of Denmark, Øster Voldgade 5-7, 1350, Copenhagen K, Denmark.
| | - Marcus Thomas Pius Gilbert
- Centre for GeoGenetics, Section for Evolutionary Genomics, Natural History Museum of Denmark, Øster Voldgade 5-7, 1350, Copenhagen K, Denmark. .,Trace and Environmental DNA Laboratory, School of Environment and Agriculture, Curtin University, Perth, Western Australia, 6845, Australia.
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45
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Silva-Frade C, Gameiro R, Okamura LH, Flores EF, Cardoso TC. Programmed cell death-associated gene transcripts in bovine embryos exposed to bovine Herpesvirus type 5. Mol Cell Probes 2014; 28:113-7. [DOI: 10.1016/j.mcp.2013.10.005] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2013] [Revised: 09/25/2013] [Accepted: 10/02/2013] [Indexed: 11/28/2022]
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Kydd JH, Case R, Minke J, Audonnet JC, Wagner B, Antczak DF. Immediate-early protein of equid herpesvirus type 1 as a target for cytotoxic T-lymphocytes in the Thoroughbred horse. J Gen Virol 2014; 95:1783-1789. [PMID: 24836672 DOI: 10.1099/vir.0.065888-0] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023] Open
Abstract
Cytotoxic T-lymphocytes (CTLs) are associated with protective immunity against disease caused by equid herpesvirus type 1 (EHV-1). However, the EHV-1 target proteins for CTLs are poorly defined. This limits the development of vaccine candidates designed to stimulate strong CTL immunity. Here, classical CTL assays using lymphocytes from horses of three defined MHC class I types that experienced natural infection with EHV-1 and a modified vaccinia virus construct containing an EHV-1 gene encoding the immediate-early (IE) protein are reported. Horses homozygous for the equine leukocyte antigen (ELA)-A2 haplotype, but not the ELA-A5 haplotype, produced MHC-restricted CTL responses against the IE protein. Previously, horses homozygous for the ELA-A3 haplotype also mounted CTL responses against the IE protein. Both haplotypes are common in major horse breeds, including the Thoroughbred. Thus, the IE protein is an attractive candidate molecule for future studies of T-cell immunity to EHV-1 in the horse.
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Affiliation(s)
- Julia H Kydd
- Animal Health Trust, Lanwades Park, Kennett, Newmarket, Suffolk CB8 7UU, UK
| | - Ruth Case
- Animal Health Trust, Lanwades Park, Kennett, Newmarket, Suffolk CB8 7UU, UK
| | - Julius Minke
- Merial SAS, R&D, 254 rue Marcel Merieux, Lyon, France
| | | | - Bettina Wagner
- Department of Population Medicine and Diagnostic Sciences, College of Veterinary Medicine, Cornell University, Ithaca, New York, NY 14853, USA
| | - Douglas F Antczak
- Baker Institute for Animal Health, College of Veterinary Medicine, Cornell University, Ithaca, New York, NY 14853, USA
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Calistri A, Munegato D, Carli I, Parolin C, Palù G. The ubiquitin-conjugating system: multiple roles in viral replication and infection. Cells 2014; 3:386-417. [PMID: 24805990 PMCID: PMC4092849 DOI: 10.3390/cells3020386] [Citation(s) in RCA: 72] [Impact Index Per Article: 7.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2014] [Revised: 04/23/2014] [Accepted: 04/24/2014] [Indexed: 12/17/2022] Open
Abstract
Through the combined action of ubiquitinating and deubiquitinating enzymes, conjugation of ubiquitin to a target protein acts as a reversible post-translational modification functionally similar to phosphorylation. Indeed, ubiquitination is more and more recognized as a central process for the fine regulation of many cellular pathways. Due to their nature as obligate intracellular parasites, viruses rely on the most conserved host cell machineries for their own replication. Thus, it is not surprising that members from almost every viral family are challenged by ubiquitin mediated mechanisms in different steps of their life cycle and have evolved in order to by-pass or exploit the cellular ubiquitin conjugating system to maximize their chance to establish a successful infection. In this review we will present several examples of the complex interplay that links viruses and the ubiquitin conjugation machinery, with a special focus on the mechanisms evolved by the human immunodeficiency virus to escape from cellular restriction factors and to exit from infected cells.
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Affiliation(s)
- Arianna Calistri
- Department of Molecular Medicine, University of Padova, via Gabelli 63, Padova 35121, Italy.
| | - Denis Munegato
- Department of Molecular Medicine, University of Padova, via Gabelli 63, Padova 35121, Italy.
| | - Ilaria Carli
- Department of Molecular Medicine, University of Padova, via Gabelli 63, Padova 35121, Italy.
| | - Cristina Parolin
- Department of Molecular Medicine, University of Padova, via Gabelli 63, Padova 35121, Italy.
| | - Giorgio Palù
- Department of Molecular Medicine, University of Padova, via Gabelli 63, Padova 35121, Italy.
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Adamek M, Steinhagen D, Irnazarow I, Hikima JI, Jung TS, Aoki T. Biology and host response to Cyprinid herpesvirus 3 infection in common carp. DEVELOPMENTAL AND COMPARATIVE IMMUNOLOGY 2014; 43:151-159. [PMID: 23981329 DOI: 10.1016/j.dci.2013.08.015] [Citation(s) in RCA: 27] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/11/2013] [Revised: 08/14/2013] [Accepted: 08/15/2013] [Indexed: 06/02/2023]
Abstract
Viruses from the family Alloherpesviridae form an aquatic clade of herpesviruses infecting fish and amphibia. Diseases caused by these herpesviruses are of increasing importance because of the high morbidity and mortality associated with the infection, and the difficulties in diagnosing latently infected carriers. Cyprinid herpesvirus 3 (CyHV-3) induces a severe disease and mortality in common carp and thus greatly affects carp aquaculture and trade. This review summarises advancements in the understanding of the infection process and the current knowledge on immune responses of carp to CyHV-3. A focus is laid on host genetics and immunity responsible for resistance/survival from the disease and on the viral mechanisms accountable for evasion of carp immune responses. As current knowledge of immune responses to CyHV-3 is still limited, perspectives for future studies are outlined. Analysing CyHV-3 fish-host interactions will be useful and thought-provoking for a basic understanding of fish immune responses.
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Affiliation(s)
- Mikołaj Adamek
- Fish Disease Research Unit, Centre of Infectious Diseases, University of Veterinary Medicine Hannover, Bünteweg 17, D-30559 Hannover, Germany
| | - Dieter Steinhagen
- Fish Disease Research Unit, Centre of Infectious Diseases, University of Veterinary Medicine Hannover, Bünteweg 17, D-30559 Hannover, Germany.
| | - Ilgiz Irnazarow
- Polish Academy of Sciences, Institute of Ichthyobiology and Aquaculture in Gołysz, Kalinowa 2, 43-520 Chybie, Poland
| | - Jun-ichi Hikima
- Aquatic Biotechnology Center of WCU Project, College of Veterinary Medicine, Gyeongsang National University, 900 Gajwa-dong, Jinju, Gyeongnam 660-710, South Korea
| | - Tae-Sung Jung
- Aquatic Biotechnology Center of WCU Project, College of Veterinary Medicine, Gyeongsang National University, 900 Gajwa-dong, Jinju, Gyeongnam 660-710, South Korea
| | - Takashi Aoki
- Aquatic Biotechnology Center of WCU Project, College of Veterinary Medicine, Gyeongsang National University, 900 Gajwa-dong, Jinju, Gyeongnam 660-710, South Korea; Consolidated Research Institute for Advanced Science and Medical Care, Waseda University, 513, Wasedatsurumaki-cho, Shinjuku-ku, Tokyo 162-0041, Japan
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Abstract
Bovine herpesvirus 1 (BHV-1) infection is widespread and causes a variety of diseases. Although similar in many respects to the human immune response to human herpesvirus 1, the differences in the bovine virus proteins, immune system components and strategies, physiology, and lifestyle mean the bovine immune response to BHV-1 is unique. The innate immune system initially responds to infection, and primes a balanced adaptive immune response. Cell-mediated immunity, including cytotoxic T lymphocyte killing of infected cells, is critical to recovery from infection. Humoral immunity, including neutralizing antibody and antibody-dependent cell-mediated cytotoxicity, is important to prevention or control of (re-)infection. BHV-1 immune evasion strategies include suppression of major histocompatibility complex presentation of viral antigen, helper T-cell killing, and latency. Immune suppression caused by the virus potentiates secondary infections and contributes to the costly bovine respiratory disease complex. Vaccination against BHV-1 is widely practiced. The many vaccines reported include replicating and non-replicating, conventional and genetically engineered, as well as marker and non-marker preparations. Current development focuses on delivery of major BHV-1 glycoproteins to elicit a balanced, protective immune response, while excluding serologic markers and virulence or other undesirable factors. In North America, vaccines are used to prevent or reduce clinical signs, whereas in some European Union countries marker vaccines have been employed in the eradication of BHV-1 disease.
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Characterization of neuronal populations in the human trigeminal ganglion and their association with latent herpes simplex virus-1 infection. PLoS One 2013; 8:e83603. [PMID: 24367603 PMCID: PMC3868591 DOI: 10.1371/journal.pone.0083603] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/03/2013] [Accepted: 11/06/2013] [Indexed: 12/15/2022] Open
Abstract
Following primary infection Herpes simplex virus-1 (HSV-1) establishes lifelong latency in the neurons of human sensory ganglia. Upon reactivation HSV-1 can cause neurological diseases such as facial palsy, vestibular neuritis or encephalitis. Certain populations of sensory neurons have been shown to be more susceptible to latent infection in the animal model, but this has not been addressed in human tissue. In the present study, trigeminal ganglion (TG) neurons expressing six neuronal marker proteins were characterized, based on staining with antibodies against the GDNF family ligand receptor Ret, the high-affinity nerve growth factor receptor TrkA, neuronal nitric oxide synthase (nNOS), the antibody RT97 against 200kDa neurofilament, calcitonin gene-related peptide and peripherin. The frequencies of marker-positive neurons and their average neuronal sizes were assessed, with TrkA-positive (61.82%) neurons being the most abundant, and Ret-positive (26.93%) the least prevalent. Neurons positive with the antibody RT97 (1253 µm2) were the largest, and those stained against peripherin (884 µm2) were the smallest. Dual immunofluorescence revealed at least a 4.5% overlap for every tested marker combination, with overlap for the combinations TrkA/Ret, TrkA/RT97 and Ret/nNOS lower, and the overlap between Ret/CGRP being higher than would be expected by chance. With respect to latent HSV-1 infection, latency associated transcripts (LAT) were detected using in situ hybridization (ISH) in neurons expressing each of the marker proteins. In contrast to the mouse model, co-localization with neuronal markers Ret or CGRP mirrored the magnitude of these neuron populations, whereas for the other four neuronal markers fewer marker-positive cells were also LAT-ISH+. Ret and CGRP are both known to label neurons related to pain signaling.
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