1
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Chauhan N, Gaur KK, Asuru TR, Guchhait P. Dengue virus: pathogenesis and potential for small molecule inhibitors. Biosci Rep 2024; 44:BSR20240134. [PMID: 39051974 PMCID: PMC11327219 DOI: 10.1042/bsr20240134] [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: 06/04/2024] [Revised: 07/16/2024] [Accepted: 07/24/2024] [Indexed: 07/27/2024] Open
Abstract
Dengue, caused by dengue virus (DENV), is now endemic in nearly 100 countries and infection incidence is reported in another 30 countries. Yearly an estimated 400 million cases and 2200 deaths are reported. Effective vaccines against DENV are limited and there has been significant focus on the development of effective antiviral against the disease. The World Health Organization has initiated research programs to prioritize the development and optimization of antiviral agents against several viruses including Flaviviridae. A significant effort has been taken by the researchers to develop effective antivirals against DENV. Several potential small-molecule inhibitors like efavirenz, tipranavir and dasabuvir have been tested against envelope and non-structural proteins of DENV, and are in clinical trials around the world. We recently developed one small molecule, namely 7D, targeting the host PF4-CXCR3 axis. 7D inhibited all 4 serotypes of DENV in vitro and specifically DENV2 infection in two different mice models. Although the development of dengue vaccines remains a high priority, antibody cross reactivity among the serotypes and resulting antibody-dependent enhancement (ADE) of infection are major concerns that have limited the development of effective vaccine against DENV. Therefore, there has been a significant emphasis on the development of antiviral drugs against dengue. This review article describes the rescue effects of some of the small molecule inhibitors to viral/host factors associated with DENV pathogenesis.
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Affiliation(s)
- Navya Chauhan
- Regional Centre for Biotechnology, National Capital Region Biotech Science Cluster, Faridabad, India
| | - Kishan Kumar Gaur
- Regional Centre for Biotechnology, National Capital Region Biotech Science Cluster, Faridabad, India
| | - Tejeswara Rao Asuru
- Regional Centre for Biotechnology, National Capital Region Biotech Science Cluster, Faridabad, India
| | - Prasenjit Guchhait
- Regional Centre for Biotechnology, National Capital Region Biotech Science Cluster, Faridabad, India
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2
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Cherie TJJ, Choong CSH, Abid MB, Weber MW, Yap ES, Seneviratne SL, Abeysuriya V, de Mel S. Immuno-Haematologic Aspects of Dengue Infection: Biologic Insights and Clinical Implications. Viruses 2024; 16:1090. [PMID: 39066252 PMCID: PMC11281699 DOI: 10.3390/v16071090] [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: 05/12/2024] [Revised: 06/26/2024] [Accepted: 07/01/2024] [Indexed: 07/28/2024] Open
Abstract
Dengue infection is caused by the dengue virus (DENV) and is transmitted to humans by infected female Aedes aegypti and Aedes albopictus mosquitoes. There are nearly 100 million new dengue cases yearly in more than 120 countries, with a five-fold increase in incidence over the past four decades. While many patients experience a mild illness, a subset suffer from severe disease, which can be fatal. Dysregulated immune responses are central to the pathogenesis of dengue, and haematologic manifestations are a prominent feature of severe disease. While thrombocytopaenia and coagulopathy are major causes of bleeding in severe dengue, leucocyte abnormalities are emerging as important markers of prognosis. In this review, we provide our perspective on the clinical aspects and pathophysiology of haematologic manifestations in dengue. We also discuss the key gaps in our current practice and areas to be addressed by future research.
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Affiliation(s)
- Tan Jiao Jie Cherie
- Department of Medicine, National University Health System, Singapore 119228, Singapore;
| | - Clarice Shi Hui Choong
- Department of Haematology Oncology, National University Cancer Institute, National University Health System, Singapore 119228, Singapore;
| | - Muhammad Bilal Abid
- Division of Haematology/Oncology, Department of Medicine, Medical College of Wisconsin, Milwaukee, WI 53226, USA; (M.B.A.); (M.W.W.)
| | - Matthew W. Weber
- Division of Haematology/Oncology, Department of Medicine, Medical College of Wisconsin, Milwaukee, WI 53226, USA; (M.B.A.); (M.W.W.)
| | - Eng Soo Yap
- Department of Laboratory Medicine, National University Health System, Singapore 119228, Singapore;
| | - Suranjith L. Seneviratne
- Institute of Immunity and Transplantation, Royal Free Hospital and University College London, London NW3 2PP, UK
- Nawaloka Hospital Research and Educational Foundation, Nawaloka Hospitals PLC, Colombo 00200, Sri Lanka
| | - Visula Abeysuriya
- Department of Immunology, Institute of Biochemistry, Molecular Biology and Biotechnology, University of Colombo, Colombo 00300, Sri Lanka;
| | - Sanjay de Mel
- Department of Haematology Oncology, National University Cancer Institute, National University Health System, Singapore 119228, Singapore;
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3
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Pathak B, Chakarvarty A, Rani NV, Krishnan A. Serological immune biomarker for disease severity in dengue-infected pediatric hospitalized patients. J Med Virol 2024; 96:e29779. [PMID: 38975640 DOI: 10.1002/jmv.29779] [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: 01/26/2024] [Revised: 05/22/2024] [Accepted: 06/25/2024] [Indexed: 07/09/2024]
Abstract
Clinical manifestation of dengue disease ranges from asymptomatic, febrile fever without warning sign (DOS) to serious outcome dengue with warning sign (DWS) and severe disease (SD) leading to shock syndrome and death. The role of antibody response in natural dengue infection is complex and not completely understood. Here, we aimed to assess serological marker for disease severity. Antibody response of dengue-confirmed pediatric patients with acute secondary infection were evaluated against infecting virus, immature virus, and recombinant envelop protein. Immature virus antibody titers were significantly higher in DWS as compared to DOS (p = 0.0006). However, antibody titers against recombinant envelop protein were higher in DOS as compared to DWS, and antibody avidity was significantly higher against infecting virus in DOS. Serum samples of DOS patients displayed higher in vitro neutralization potential in plaque assay as compared to DWS, whereas DWS serum samples showed higher antibody-dependent enhancement in the in vitro enhancement assays. Thus, antibodies targeting immature virus can predict disease severity and could be used in early forecast of disease outcome using an enzyme-linked immunoassay assay system which is less laborious and cheaper than plaque assay system for correlates of protection and could help optimize medical care and resources.
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Affiliation(s)
- Bharti Pathak
- Department of Molecular Medicine, Jamia Hamdard, Hamdard Nagar, New Delhi, India
| | - Aparna Chakarvarty
- Department of Paediatrics, Hamdard Institute of Medical Sciences and Research, Jamia Hamdard, New Delhi, India
- Department of Paediatrics, Amrita Institute of Medical Sciences, Faridabad, Haryana, India
| | | | - Anuja Krishnan
- Department of Molecular Medicine, Jamia Hamdard, Hamdard Nagar, New Delhi, India
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4
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Prajapati H, Kumar V, Mittal G, Saxena Y. Pro- and anti-inflammatory cytokines signatures at different severity of dengue infection. J Family Med Prim Care 2024; 13:1975-1982. [PMID: 38948604 PMCID: PMC11213393 DOI: 10.4103/jfmpc.jfmpc_1576_23] [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: 09/22/2023] [Revised: 12/28/2023] [Accepted: 12/31/2023] [Indexed: 07/02/2024] Open
Abstract
Context Dengue disease severity and progression are determined by the host immune response, with both pro- and anti-inflammatory cytokines are key mediators. Aims To study pro- and anti-inflammatory cytokines across dengue severity and as a biomarker for predicting severe dengue infection. Settings and Design Hospital-based cross-sectional study was conducted on 125 dengue-positive subjects across the 5-60 years age group of either gender in 2022. Methods and Materials Haematological parameters and blood samples were drawn to measure cytokines IL6, IL-10 and TNF alpha using the ELISA technique. Statistical Analysis One-way ANOVA and the Kruskal - Wallis test were used to compare the dependent variables across categories of the dengue spectrum. Receiver operating characteristic curve was drawn to calculate the predictability of the cytokines as a predictor of severe dengue. A P < 0.05 was considered significant. Results 34.4% of cases had severe dengue infection with 53.2% of severe cases reported in >40 years of age. Only IL-6 levels significantly increased (P < 0.01) across the spectrum of dengue infection across age groups >20 years with a consistent and significant fall in platelet levels (P < 0.01). The accuracy of IL-6 to predict severe dengue was 74.4% and platelet count was 16.2%. Conclusions Only IL-6 cytokine levels were significantly increased across the spectrum of dengue infection observed in age >20 years and can significantly predict the probability of severe dengue by 74% (sensitivity 81.4%). A significant decrease in platelet values is consistent with the severity but is not a good predictor for severe dengue infection.
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Affiliation(s)
- Himani Prajapati
- Department of Microbiology, Himalayan School of Bio-sciences, Swami Rama Himalayan University Jolly Grant, Dehradun, Uttarakhand, India
| | - Vivek Kumar
- Department of Microbiology, Himalayan School of Bio-sciences, Swami Rama Himalayan University Jolly Grant, Dehradun, Uttarakhand, India
| | - Garima Mittal
- Department of Microbiology, Swami Rama Himalayan University Jolly Grant, Dehradun, Uttarakhand, India
| | - Yogesh Saxena
- Department of Physiology, Swami Rama Himalayan University Jolly Grant, Dehradun, Uttarakhand, India
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5
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Belmont L, Contreras M, Cartwright-Acar CH, Marceau CD, Agrawal A, Levoir LM, Lubow J, Goo L. Functional genomics screens reveal a role for TBC1D24 and SV2B in antibody-dependent enhancement of dengue virus infection. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2024:2024.04.26.591029. [PMID: 38712102 PMCID: PMC11071485 DOI: 10.1101/2024.04.26.591029] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/08/2024]
Abstract
Dengue virus (DENV) can hijack non-neutralizing IgG antibodies to facilitate its uptake into target cells expressing Fc gamma receptors (FcgR) - a process known as antibody-dependent enhancement (ADE) of infection. Beyond a requirement for FcgR, host dependency factors for this non-canonical infection route remain unknown. To identify cellular factors exclusively required for ADE, here, we performed CRISPR knockout screens in an in vitro system permissive to infection only in the presence of IgG antibodies. Validating our approach, a top hit was FcgRIIa, which facilitates binding and internalization of IgG-bound DENV but is not required for canonical infection. Additionally, we identified host factors with no previously described role in DENV infection, including TBC1D24 and SV2B, both of which have known functions in regulated secretion. Using genetic knockout and trans-complemented cells, we validated a functional requirement for these host factors in ADE assays performed with monoclonal antibodies and polyclonal sera in multiple cell lines and using all four DENV serotypes. We show that knockout of TBC1D24 or SV2B impaired binding of IgG-DENV complexes to cells without affecting FcgRIIa expression levels. Thus, we identify cellular factors beyond FcgR that are required for ADE of DENV infection. Our findings represent a first step towards advancing fundamental knowledge behind the biology of ADE that can ultimately be exploited to inform vaccination and therapeutic approaches.
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Affiliation(s)
- Laura Belmont
- Vaccine and Infectious Disease Division, Fred Hutchinson Cancer Center, Seattle, Washington, USA
- Molecular and Cellular Biology Graduate Program, University of Washington, Seattle, Washington, USA
| | - Maya Contreras
- Vaccine and Infectious Disease Division, Fred Hutchinson Cancer Center, Seattle, Washington, USA
| | | | | | - Aditi Agrawal
- Chan Zuckerberg Biohub, San Francisco, California, USA
| | - Lisa M. Levoir
- Vaccine and Infectious Disease Division, Fred Hutchinson Cancer Center, Seattle, Washington, USA
| | - Jay Lubow
- Vaccine and Infectious Disease Division, Fred Hutchinson Cancer Center, Seattle, Washington, USA
| | - Leslie Goo
- Vaccine and Infectious Disease Division, Fred Hutchinson Cancer Center, Seattle, Washington, USA
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6
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Xu L, Li M, Zhang J, Li D, Tao J, Zhang F, Jin X, Lu J, Liu T. Metabolomic landscape of macrophage discloses an anabolic signature of dengue virus infection and antibody-dependent enhancement of viral infection. PLoS Negl Trop Dis 2024; 18:e0011923. [PMID: 38306392 PMCID: PMC10866464 DOI: 10.1371/journal.pntd.0011923] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2023] [Revised: 02/14/2024] [Accepted: 01/17/2024] [Indexed: 02/04/2024] Open
Abstract
Dengue virus (DENV) infection causes dengue fever, the most prevalent arthropod-transmitted viral disease worldwide. Viruses are acellular parasites and obligately rely on host cell machinery for reproduction. Previous studies have indicated metabolomic changes in endothelial cell models and sera of animal models and patients with dengue fever. To probe the immunometabolic mechanism of DENV infection, here, we report the metabolomic landscape of a human macrophage cell model of DENV infection and its antibody-dependent enhancement. DENV infection of THP-1-derived macrophages caused 202 metabolic variants, of which amino acids occupied 23.7%, fatty acids 21.78%, carbohydrates 10.4%, organic acids 13.37%, and carnitines 10.4%. These metabolomic changes indicated an overall anabolic signature, which was characterized by the global exhaustion of amino acids, increases of cellular fatty acids, carbohydrates and pentoses, but decreases of acylcarnitine. Significant activation of metabolic pathways of glycolysis, pentose phosphate, amino acid metabolism, and tricarboxylic acid cycle collectively support the overall anabolism to meet metabolic demands of DENV replication and immune activation by viral infection. Totally 88 of 202 metabolic variants were significantly changed by DENV infection, 36 of which met the statistical standard (P<0.05, VIP>1.5) of differentially expressed metabolites, which were the predominantly decreased variants of acylcarnitine and the increased variants of fatty acids and carbohydrates. Remarkably, 11 differentially expressed metabolites were significantly distinct between DENV only infection and antibody-dependent enhancement of viral infection. Our data suggested that the anabolic activation by DENV infection integrates the viral replication and anti-viral immune activation.
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Affiliation(s)
- Li Xu
- Scientific Research Center, Shanghai Public Health Clinical Center, Fudan University, Shanghai, China
| | - Min Li
- Scientific Research Center, Shanghai Public Health Clinical Center, Fudan University, Shanghai, China
| | - Jingpu Zhang
- Scientific Research Center, Shanghai Public Health Clinical Center, Fudan University, Shanghai, China
| | - Dongxiao Li
- Metabo-Profile Biotechnology Company, Shanghai, China
| | - Jie Tao
- Scientific Research Center, Shanghai Public Health Clinical Center, Fudan University, Shanghai, China
| | - Fuchun Zhang
- Guangzhou Eighth People’s Hospital, Guangzhou Medical University, Guangzhou, Guangdong, China
| | - Xia Jin
- Scientific Research Center, Shanghai Public Health Clinical Center, Fudan University, Shanghai, China
| | - Jiahai Lu
- Key Laboratory for Tropical Disease Control, School of Public Health, Sun Yat-sen University, Guangzhou, Guangdong, China
- One Health Center of Excellence for Research & Training, Sun Yat-Sen University, Guangzhou 510080, China
- National Medical Products Administration Key Laboratory for Quality Monitoring and Evaluation of Vaccines and Biological Products, Guangzhou 510080, China
- Hainan Key Novel Thinktank "Hainan Medical University ’One Health’ Research Center", Haikou 571199, China
- Institute of One Health, Wenzhou Medical University, Wenzhou, Zhejiang, 325035, China
| | - Tiefu Liu
- Scientific Research Center, Shanghai Public Health Clinical Center, Fudan University, Shanghai, China
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7
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Bos S, Graber AL, Cardona-Ospina JA, Duarte EM, Zambrana JV, Ruíz Salinas JA, Mercado-Hernandez R, Singh T, Katzelnick LC, de Silva A, Kuan G, Balmaseda A, Harris E. Protection against symptomatic dengue infection by neutralizing antibodies varies by infection history and infecting serotype. Nat Commun 2024; 15:382. [PMID: 38195666 PMCID: PMC10776616 DOI: 10.1038/s41467-023-44330-8] [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: 06/21/2023] [Accepted: 12/08/2023] [Indexed: 01/11/2024] Open
Abstract
Dengue viruses (DENV1-4) are the most prevalent arboviruses in humans and a major public health concern. Understanding immune mechanisms that modulate DENV infection outcome is critical for vaccine development. Neutralizing antibodies (nAbs) are an essential component of the protective immune response, yet their measurement often relies on a single cellular substrate and partially mature virions, which does not capture the full breadth of neutralizing activity and may lead to biased estimations of nAb potency. Here, we analyze 125 samples collected after one or more DENV infections but prior to subsequent symptomatic or inapparent DENV1, DENV2, or DENV3 infections from a long-standing pediatric cohort study in Nicaragua. By assessing nAb responses using Vero cells with or without DC-SIGN and with mature or partially mature virions, we find that nAb potency and the protective NT50 cutoff are greatly influenced by cell substrate and virion maturation state. Additionally, the correlation between nAb titer and protection from disease depends on prior infection history and infecting serotype. Finally, we uncover variations in nAb composition that contribute to protection from symptomatic infection differently after primary and secondary prior infection. These findings have important implications for identifying antibody correlates of protection for vaccines and natural infections.
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Affiliation(s)
- Sandra Bos
- Division of Infectious Diseases and Vaccinology, School of Public Health, University of California, Berkeley, Berkeley, CA, USA.
| | - Aaron L Graber
- Division of Infectious Diseases and Vaccinology, School of Public Health, University of California, Berkeley, Berkeley, CA, USA
| | - Jaime A Cardona-Ospina
- Division of Infectious Diseases and Vaccinology, School of Public Health, University of California, Berkeley, Berkeley, CA, USA
- Grupo de Investigación Biomedicina, Facultad de Medicina, Institución Universitaria Visión de las Américas, Pereira, Colombia
| | - Elias M Duarte
- Division of Infectious Diseases and Vaccinology, School of Public Health, University of California, Berkeley, Berkeley, CA, USA
| | - Jose Victor Zambrana
- Sustainable Sciences Institute, Managua, Nicaragua
- Department of Epidemiology, School of Public Health, University of Michigan, Ann Arbor, MI, USA
| | | | - Reinaldo Mercado-Hernandez
- Division of Infectious Diseases and Vaccinology, School of Public Health, University of California, Berkeley, Berkeley, CA, USA
| | - Tulika Singh
- Division of Infectious Diseases and Vaccinology, School of Public Health, University of California, Berkeley, Berkeley, CA, USA
| | - Leah C Katzelnick
- Viral Epidemiology and Immunity Unit, Laboratory of Infectious Diseases, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, MD, USA
| | - Aravinda de Silva
- Department of Microbiology and Immunology, University of North Carolina, Chapel Hill, NC, USA
| | - Guillermina Kuan
- Sustainable Sciences Institute, Managua, Nicaragua
- Centro de Salud Sócrates Flores Vivas, Ministerio de Salud, Managua, Nicaragua
| | - Angel Balmaseda
- Sustainable Sciences Institute, Managua, Nicaragua
- Laboratorio Nacional de Virología, Centro Nacional de Diagnóstico y Referencia, Ministerio de Salud, Managua, Nicaragua
| | - Eva Harris
- Division of Infectious Diseases and Vaccinology, School of Public Health, University of California, Berkeley, Berkeley, CA, USA.
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8
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Bos S, Graber AL, Cardona-Ospina JA, Duarte EM, Zambrana JV, Ruíz Salinas JA, Mercado-Hernandez R, Singh T, Katzelnick LC, de Silva A, Kuan G, Balmaseda A, Harris E. The association of neutralizing antibodies with protection against symptomatic dengue virus infection varies by serotype, prior infection history, and assay condition. MEDRXIV : THE PREPRINT SERVER FOR HEALTH SCIENCES 2023:2023.06.20.23291522. [PMID: 37502957 PMCID: PMC10371115 DOI: 10.1101/2023.06.20.23291522] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 07/29/2023]
Abstract
The four dengue virus serotypes (DENV1-4) are the most prevalent arboviruses in humans and a major public health concern worldwide. Understanding immune mechanisms that modulate DENV infection outcome is critical for epidemic preparedness and development of a safe and effective vaccine. Neutralizing antibodies (nAbs) are an essential component of the protective response, yet their measurement often relies on a single cellular substrate and partially mature virions, which do not capture the full breadth of neutralizing activity and may lead to biased estimations of nAb potency. Here, we investigated the characteristics of nAbs associated with protection against dengue cases using samples collected after one or more DENV infections but prior to subsequent symptomatic or inapparent DENV1, DENV2, or DENV3 infections from a long- standing pediatric cohort study in Nicaragua. By assessing nAb responses using Vero cells with or without the attachment factor DC-SIGN and with mature or partially mature virions, we found that nAb potency and the protective NT 50 cutoff were greatly influenced by cell substrate and virion maturation state. Additionally, the correlation between nAb titer and protection from disease depended on an individual's prior infection history and the subsequent infecting DENV serotype. Finally, we uncovered variations in nAbs composition that contributed to protection from symptomatic DENV infection differently after primary and secondary prior infection. These findings have important implications for identifying antibody correlates of protection in the context of vaccines and natural infections.
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9
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Lubow J, Levoir LM, Ralph DK, Belmont L, Contreras M, Cartwright-Acar CH, Kikawa C, Kannan S, Davidson E, Duran V, Rebellon-Sanchez DE, Sanz AM, Rosso F, Doranz BJ, Einav S, Matsen IV FA, Goo L. Single B cell transcriptomics identifies multiple isotypes of broadly neutralizing antibodies against flaviviruses. PLoS Pathog 2023; 19:e1011722. [PMID: 37812640 PMCID: PMC10586629 DOI: 10.1371/journal.ppat.1011722] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2023] [Revised: 10/19/2023] [Accepted: 09/28/2023] [Indexed: 10/11/2023] Open
Abstract
Sequential dengue virus (DENV) infections often generate neutralizing antibodies against all four DENV serotypes and sometimes, Zika virus. Characterizing cross-flavivirus broadly neutralizing antibody (bnAb) responses can inform countermeasures that avoid enhancement of infection associated with non-neutralizing antibodies. Here, we used single cell transcriptomics to mine the bnAb repertoire following repeated DENV infections. We identified several new bnAbs with comparable or superior breadth and potency to known bnAbs, and with distinct recognition determinants. Unlike all known flavivirus bnAbs, which are IgG1, one newly identified cross-flavivirus bnAb (F25.S02) was derived from IgA1. Both IgG1 and IgA1 versions of F25.S02 and known bnAbs displayed neutralizing activity, but only IgG1 enhanced infection in monocytes expressing IgG and IgA Fc receptors. Moreover, IgG-mediated enhancement of infection was inhibited by IgA1 versions of bnAbs. We demonstrate a role for IgA in flavivirus infection and immunity with implications for vaccine and therapeutic strategies.
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Affiliation(s)
- Jay Lubow
- Vaccine and Infectious Disease Division, Fred Hutchinson Cancer Center, Seattle, Washington, United States of America
| | - Lisa M. Levoir
- Vaccine and Infectious Disease Division, Fred Hutchinson Cancer Center, Seattle, Washington, United States of America
| | - Duncan K. Ralph
- Computational Biology Program, Fred Hutchinson Cancer Center, Seattle, Washington, United States of America
| | - Laura Belmont
- Vaccine and Infectious Disease Division, Fred Hutchinson Cancer Center, Seattle, Washington, United States of America
- Molecular and Cellular Biology Graduate Program, University of Washington, Seattle, Washington, United States of America
| | - Maya Contreras
- Vaccine and Infectious Disease Division, Fred Hutchinson Cancer Center, Seattle, Washington, United States of America
| | - Catiana H. Cartwright-Acar
- Vaccine and Infectious Disease Division, Fred Hutchinson Cancer Center, Seattle, Washington, United States of America
| | - Caroline Kikawa
- Vaccine and Infectious Disease Division, Fred Hutchinson Cancer Center, Seattle, Washington, United States of America
- Department of Genome Sciences, University of Washington, Seattle, Washington, United States of America
- Medical Scientist Training Program, University of Washington, Seattle, Washington, United States of America
| | - Shruthi Kannan
- Integral Molecular, Inc., Philadelphia, Pennsylvania, United States of America
| | - Edgar Davidson
- Integral Molecular, Inc., Philadelphia, Pennsylvania, United States of America
| | - Veronica Duran
- Division of Infectious Diseases and Geographic Medicine, Department of Medicine, Stanford University School of Medicine, Stanford, California, United States of America
- Chan Zuckerberg Biohub, San Francisco, California, United States of America
| | | | - Ana M. Sanz
- Clinical Research Center, Fundación Valle del Lili, Cali, Colombia
| | - Fernando Rosso
- Clinical Research Center, Fundación Valle del Lili, Cali, Colombia
- Department of Internal Medicine, Division of Infectious Diseases, Fundación Valle del Lili, Cali, Colombia
| | - Benjamin J. Doranz
- Integral Molecular, Inc., Philadelphia, Pennsylvania, United States of America
| | - Shirit Einav
- Division of Infectious Diseases and Geographic Medicine, Department of Medicine, Stanford University School of Medicine, Stanford, California, United States of America
- Chan Zuckerberg Biohub, San Francisco, California, United States of America
- Department of Microbiology and Immunology, Stanford University School of Medicine, Stanford, California, United States of America
| | - Frederick A. Matsen IV
- Computational Biology Program, Fred Hutchinson Cancer Center, Seattle, Washington, United States of America
- Department of Genome Sciences, University of Washington, Seattle, Washington, United States of America
- Department of Statistics, University of Washington, Seattle, Washington, United States of America
- Howard Hughes Medical Institute, Seattle, Washington, United States of America
| | - Leslie Goo
- Vaccine and Infectious Disease Division, Fred Hutchinson Cancer Center, Seattle, Washington, United States of America
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10
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Mosquera-Sulbaran JA, Pedreañez A, Hernandez-Fonseca JP, Hernandez-Fonseca H. Angiotensin II and dengue. Arch Virol 2023; 168:191. [PMID: 37368044 DOI: 10.1007/s00705-023-05814-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2022] [Accepted: 05/09/2023] [Indexed: 06/28/2023]
Abstract
Dengue is a disease caused by a flavivirus that is transmitted principally by the bite of an Aedes aegypti mosquito and represents a major public-health problem. Many studies have been carried out to identify soluble factors that are involved in the pathogenesis of this infection. Cytokines, soluble factors, and oxidative stress have been reported to be involved in the development of severe disease. Angiotensin II (Ang II) is a hormone with the ability to induce the production of cytokines and soluble factors related to the inflammatory processes and coagulation disorders observed in dengue. However, a direct involvement of Ang II in this disease has not been demonstrated. This review primarily summarizes the pathophysiology of dengue, the role of Ang II in various diseases, and reports that are highly suggestive of the involvement of this hormone in dengue.
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Affiliation(s)
- Jesus A Mosquera-Sulbaran
- Instituto de Investigaciones Clínicas "Dr. Américo Negrette", Facultad de Medicina, Universidad del Zulia, Maracaibo, 4001-A, Venezuela.
| | - Adriana Pedreañez
- Cátedra de Inmunología, Escuela de Bioanálisis, Facultad de Medicina, Universidad del Zulia, Maracaibo, Venezuela
| | - Juan Pablo Hernandez-Fonseca
- Instituto de Investigaciones Clínicas "Dr. Américo Negrette", Facultad de Medicina, Universidad del Zulia, Maracaibo, 4001-A, Venezuela
- Servicio de Microscopia Electronica del Centro Nacional de Biotecnologia (CNB- CSIC) Madrid, Madrid, España
| | - Hugo Hernandez-Fonseca
- Department of Anatomy, Physiology and Pharmacology, School of Veterinary Medicine, Saint George's University, True Blue, West Indies, Grenada
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11
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Rauniyar R, Prajapati S, Manandhar B, Bastola A, Chalise BS, Shrestha S, Khanal C, Thapa M, Napit R, Bajracharya AM, Shrestha S, Adhikari A, Das Manandhar K. Dengue virus infection during window period of consecutive outbreaks in Nepal and assessment of clinical parameters. Sci Rep 2023; 13:9262. [PMID: 37286625 DOI: 10.1038/s41598-023-35928-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/20/2023] [Accepted: 05/25/2023] [Indexed: 06/09/2023] Open
Abstract
Nepal is an endemic country for dengue infection with rolling of every 3 year's clear cyclic outbreaks with exponential growth since 2019 outbreak and the virus gearing towards the non-foci temperate hill regions. However, the information regarding circulating serotype and genotype is not frequent. This research discusses on the clinical features, diagnosis, epidemiology, circulating serotype and genotype among 61 dengue suspected cases from different hospitals of Nepal during the window period 2017-2018 between the two outbreaks of 2016 and 2019. E-gene sequences from PCR positive samples were subjected to phylogenetic analysis under time to most recent common ancestor tree using Markov Chain Monte Carlo (MCMC) and BEAST v2.5.1. Both evolution and genotypes were determined based on the phylogenetic tree. Serotyping by Real-time PCR and Nested PCR showed the co-circulation of all the 3 serotypes of dengue in the year 2017 and only DENV-2 in 2018. Genotype V for DENV-1 and Cosmopolitan Genotype IVa for DENV-2 were detected. The detected Genotype V of DENV-1 in Terai was found close to Indian genotype while Cosmopolitan IVa of DENV-2 found spreading to geographically safe hilly region (now gripped to 9 districts) was close to South-East Asia. The genetic drift of DENV-2 is probably due to climate change and rapid viral evolution which could be a representative model for high altitude shift of the infection. Further, the increased primary infection indicates dengue venturing to new populations. Platelets count together with Aspartate transaminase and Aalanine transaminase could serve as important clinical markers to support clinical diagnosis. The study will support future dengue virology and epidemiology in Nepal.
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Affiliation(s)
- Ramanuj Rauniyar
- Central Department of Biotechnology (CDBT), Tribhuvan University, Kirtipur, Kathmandu, Nepal
| | - Sabita Prajapati
- Central Department of Biotechnology (CDBT), Tribhuvan University, Kirtipur, Kathmandu, Nepal
| | - Binod Manandhar
- Department of Mathematical Sciences, Clark Atlanta University, Atlanta, USA
| | - Anup Bastola
- Department of Tropical and Infectious Disease, Sukraraj Tropical and Infectious Disease Hospital (STIDH), Teku, Kathmandu, Nepal
| | - Bimal Sharma Chalise
- Department of Tropical and Infectious Disease, Sukraraj Tropical and Infectious Disease Hospital (STIDH), Teku, Kathmandu, Nepal
| | - Srijan Shrestha
- Central Department of Biotechnology (CDBT), Tribhuvan University, Kirtipur, Kathmandu, Nepal
| | - Chetana Khanal
- Central Department of Biotechnology (CDBT), Tribhuvan University, Kirtipur, Kathmandu, Nepal
| | - Machchhendra Thapa
- Central Department of Biotechnology (CDBT), Tribhuvan University, Kirtipur, Kathmandu, Nepal
| | - Rajindra Napit
- Central Department of Biotechnology (CDBT), Tribhuvan University, Kirtipur, Kathmandu, Nepal
- Department of Molecular Biology and Virology, Centre for Molecular Dynamics Nepal (CMDN), Thapathali, Kathmandu, Nepal
| | | | - Shova Shrestha
- Microbiology Department, Trichandra Multiple Campus, Kathmandu, Nepal
| | - Anurag Adhikari
- Department of Infection and Immunology, Kathmandu Research Institute for Biological Sciences (KRIBS), Lalitpur, Nepal
| | - Krishna Das Manandhar
- Central Department of Biotechnology (CDBT), Tribhuvan University, Kirtipur, Kathmandu, Nepal.
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12
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Lubow J, Levoir LM, Ralph DK, Belmont L, Contreras M, Cartwright-Acar CH, Kikawa C, Kannan S, Davidson E, Doranz BJ, Duran V, Sanchez DE, Sanz AM, Rosso F, Einav S, Matsen FA, Goo L. Single B cell transcriptomics identifies multiple isotypes of broadly neutralizing antibodies against flaviviruses. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2023:2023.04.09.536175. [PMID: 37090561 PMCID: PMC10120628 DOI: 10.1101/2023.04.09.536175] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 04/25/2023]
Abstract
Sequential dengue virus (DENV) infections often generate neutralizing antibodies against all four DENV serotypes and sometimes, Zika virus. Characterizing cross-flavivirus broadly neutralizing antibody (bnAb) responses can inform countermeasure strategies that avoid infection enhancement associated with non-neutralizing antibodies. Here, we used single cell transcriptomics to mine the bnAb repertoire following secondary DENV infection. We identified several new bnAbs with comparable or superior breadth and potency to known bnAbs, and with distinct recognition determinants. Unlike all known flavivirus bnAbs, which are IgG1, one newly identified cross-flavivirus bnAb (F25.S02) was derived from IgA1. Both IgG1 and IgA1 versions of F25.S02 and known bnAbs displayed neutralizing activity, but only IgG1 enhanced infection in monocytes expressing IgG and IgA Fc receptors. Moreover, IgG-mediated enhancement of infection was inhibited by IgA1 versions of bnAbs. We demonstrate a role for IgA in flavivirus infection and immunity with implications for vaccine and therapeutic strategies.
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13
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Robinson ML, Glass DR, Duran V, Agudelo Rojas OL, Sanz AM, Consuegra M, Sahoo MK, Hartmann FJ, Bosse M, Gelvez RM, Bueno N, Pinsky BA, Montoya JG, Maecker H, Estupiñan Cardenas MI, Villar Centeno LA, Garrido EMR, Rosso F, Bendall SC, Einav S. Magnitude and kinetics of the human immune cell response associated with severe dengue progression by single-cell proteomics. SCIENCE ADVANCES 2023; 9:eade7702. [PMID: 36961888 PMCID: PMC10038348 DOI: 10.1126/sciadv.ade7702] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 09/06/2022] [Accepted: 02/21/2023] [Indexed: 06/17/2023]
Abstract
Approximately 5 million dengue virus-infected patients progress to a potentially life-threatening severe dengue (SD) infection annually. To identify the immune features and temporal dynamics underlying SD progression, we performed deep immune profiling by mass cytometry of PBMCs collected longitudinally from SD progressors (SDp) and uncomplicated dengue (D) patients. While D is characterized by early activation of innate immune responses, in SDp there is rapid expansion and activation of IgG-secreting plasma cells and memory and regulatory T cells. Concurrently, SDp, particularly children, demonstrate increased proinflammatory NK cells, inadequate expansion of CD16+ monocytes, and high expression of the FcγR CD64 on myeloid cells, yet a signature of diminished antigen presentation. Syndrome-specific determinants include suppressed dendritic cell abundance in shock/hemorrhage versus enriched plasma cell expansion in organ impairment. This study reveals uncoordinated immune responses in SDp and provides insights into SD pathogenesis in humans with potential implications for prediction and treatment.
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Affiliation(s)
- Makeda L. Robinson
- Division of Infectious Diseases and Geographic Medicine, Department of Medicine, Stanford University School of Medicine, Stanford, CA, USA
| | - David R. Glass
- Department of Pathology, Stanford University School of Medicine, Stanford, CA, USA
| | - Veronica Duran
- Division of Infectious Diseases and Geographic Medicine, Department of Medicine, Stanford University School of Medicine, Stanford, CA, USA
- Chan Zuckerberg Biohub, 499 Illinois St., 4th Floor, San Francisco, CA 94158, USA
| | | | - Ana Maria Sanz
- Clinical Research Center, Fundación Valle del Lili, Cali, Colombia
| | - Monika Consuegra
- Centro de Atención y Diagnóstico de Enfermedades Infecciosas (CDI), Fundación INFOVIDA, Bucaramanga, Colombia
| | - Malaya Kumar Sahoo
- Department of Pathology, Stanford University School of Medicine, Stanford, CA, USA
| | - Felix J. Hartmann
- Department of Pathology, Stanford University School of Medicine, Stanford, CA, USA
| | - Marc Bosse
- Department of Pathology, Stanford University School of Medicine, Stanford, CA, USA
| | - Rosa Margarita Gelvez
- Centro de Atención y Diagnóstico de Enfermedades Infecciosas (CDI), Fundación INFOVIDA, Bucaramanga, Colombia
| | - Nathalia Bueno
- Centro de Atención y Diagnóstico de Enfermedades Infecciosas (CDI), Fundación INFOVIDA, Bucaramanga, Colombia
| | - Benjamin A. Pinsky
- Division of Infectious Diseases and Geographic Medicine, Department of Medicine, Stanford University School of Medicine, Stanford, CA, USA
- Department of Pathology, Stanford University School of Medicine, Stanford, CA, USA
| | - Jose G. Montoya
- Palo Alto Medical Foundation, Dr. Jack S. Remington Laboratory for Specialty Diagnostics, Palo Alto, CA, USA
| | - Holden Maecker
- Department of Microbiology and Immunology, Stanford University School of Medicine, Stanford, CA, USA
| | | | - Luis Angel Villar Centeno
- Centro de Atención y Diagnóstico de Enfermedades Infecciosas (CDI), Fundación INFOVIDA, Bucaramanga, Colombia
| | - Elsa Marina Rojas Garrido
- Centro de Atención y Diagnóstico de Enfermedades Infecciosas (CDI), Fundación INFOVIDA, Bucaramanga, Colombia
| | - Fernando Rosso
- Clinical Research Center, Fundación Valle del Lili, Cali, Colombia
- Department of Internal Medicine, Division of Infectious Diseases, Fundación Valle del Lili, Cali, Colombia
| | - Sean C. Bendall
- Department of Pathology, Stanford University School of Medicine, Stanford, CA, USA
| | - Shirit Einav
- Division of Infectious Diseases and Geographic Medicine, Department of Medicine, Stanford University School of Medicine, Stanford, CA, USA
- Chan Zuckerberg Biohub, 499 Illinois St., 4th Floor, San Francisco, CA 94158, USA
- Department of Microbiology and Immunology, Stanford University School of Medicine, Stanford, CA, USA
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14
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Pintado Silva J, Fenutria R, Bernal-Rubio D, Sanchez-Martin I, Hunziker A, Chebishev E, Veloz J, Kelly G, Kim-Schulze S, Whitehead S, Durbin A, Ramos I, Fernandez-Sesma A. The dengue virus 4 component of NIAID's tetravalent TV003 vaccine drives its innate immune signature. Exp Biol Med (Maywood) 2022; 247:2201-2212. [PMID: 36734144 PMCID: PMC9899989 DOI: 10.1177/15353702231151241] [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: 02/04/2023] Open
Abstract
Annually, roughly 2.5 billion people are at risk for dengue virus (DENV) infection, and the incidence of infection has increased 30-fold since its discovery in the 1900s. At present, there are no globally licensed antiviral treatments or vaccines that protect against all four of the DENV serotypes. The NIAID Live Attenuated Tetravalent Vaccine (LATV) dengue vaccine candidate is composed of variants of three DENV serotypes attenuated by a 30 nucleotide (Δ30) deletion in the 3' untranslated region and a fourth component that is a chimeric virus in which the prM and E genes of DENV-2 replace those of DENV-4 on the rDEN4Δ30 backbone. The vaccine candidate encodes the non-structural proteins of DENV-1, DENV-3, and DENV-4, which could be of critical importance in the presentation of DENV-specific epitopes in a manner that facilitates antigen presentation and confers higher protection. Our findings demonstrate that the attenuation mechanism (Δ30) resulted in decreased viral infectivity and replication for each vaccine virus in monocyte-derived dendritic cells but were able to generate a robust innate immune response. When tested as monovalent viruses, DEN-4Δ30 displayed the most immunogenic profile. In addition, we found that the tetravalent DENV formulation induced a significantly greater innate immune response than the trivalent formulation. We demonstrate that the presence of two components with a DENV-4Δ30 backbone is necessary for the induction of RANTES, CD40, IP-10, and Type I IFN by the tetravalent formulation. Finally, we found that the DEN-4Δ30 backbone in the DENV-2 component of the vaccine enhanced its antigenic properties, as evidenced by enhanced ability to induce IP-10 and IFNα2 in monocyte-derived dendritic cells. In sum, our study shows that the Δ30 and Δ30/Δ31 mutations attenuate the DENV vaccine strains in terms of replication and infectivity while still allowing the induction of a robust innate immune response.
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Affiliation(s)
- Jessica Pintado Silva
- Department of Microbiology, Icahn
School of Medicine at Mount Sinai, New York, NY 10029, USA
- Graduate School of Biomedical
Sciences, Icahn School of Medicine at Mount Sinai, New York, NY 10029,
USA
| | - Rafael Fenutria
- Department of Microbiology, Icahn
School of Medicine at Mount Sinai, New York, NY 10029, USA
| | - Dabeiba Bernal-Rubio
- Department of Microbiology, Icahn
School of Medicine at Mount Sinai, New York, NY 10029, USA
| | - Irene Sanchez-Martin
- Department of Microbiology, Icahn
School of Medicine at Mount Sinai, New York, NY 10029, USA
| | - Annika Hunziker
- Department of Microbiology, Icahn
School of Medicine at Mount Sinai, New York, NY 10029, USA
| | - Eva Chebishev
- Department of Microbiology, Icahn
School of Medicine at Mount Sinai, New York, NY 10029, USA
- Graduate School of Biomedical
Sciences, Icahn School of Medicine at Mount Sinai, New York, NY 10029,
USA
| | - Jeury Veloz
- Department of Microbiology, Icahn
School of Medicine at Mount Sinai, New York, NY 10029, USA
- Graduate School of Biomedical
Sciences, Icahn School of Medicine at Mount Sinai, New York, NY 10029,
USA
| | - Geoffrey Kelly
- Precision Immunology Institute,
Icahn School of Medicine at Mount Sinai, New York, NY 10029, USA
| | - Seunghee Kim-Schulze
- Precision Immunology Institute,
Icahn School of Medicine at Mount Sinai, New York, NY 10029, USA
| | - Steve Whitehead
- Department of Neurology, Icahn
School of Medicine at Mount Sinai, New York, NY 10029, USA
- Laboratory of Viral Diseases
(LVD), NIAID, NIH, Rockville, MD 20852, USA
| | - Anna Durbin
- Precision Immunology Institute,
Icahn School of Medicine at Mount Sinai, New York, NY 10029, USA
- Division of Global Disease and
Epidemiology Control, Johns Hopkins Bloomberg School of Public Health,
Rockville, MD 20852, USA
| | - Irene Ramos
- Department of Neurology, Icahn
School of Medicine at Mount Sinai, New York, NY 10029, USA
- Precision Immunology Institute,
Icahn School of Medicine at Mount Sinai, New York, NY 10029, USA
| | - Ana Fernandez-Sesma
- Department of Microbiology, Icahn
School of Medicine at Mount Sinai, New York, NY 10029, USA
- Graduate School of Biomedical
Sciences, Icahn School of Medicine at Mount Sinai, New York, NY 10029,
USA
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15
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Hwang EH, Hur GH, Koo BS, Oh H, Kim G, Jung H, Baek SH, An YJ, Park JH, Hong JJ. Monocytes as suitable carriers for dissemination of dengue viral infection. Heliyon 2022; 8:e11212. [PMCID: PMC9615040 DOI: 10.1016/j.heliyon.2022.e11212] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/26/2022] [Revised: 05/10/2022] [Accepted: 10/18/2022] [Indexed: 11/17/2022] Open
Abstract
Dengue viruses (DENVs) exploit monocytes and macrophages for tropism and replication, therefore, establishing a long-term reservoir. However, their roles in dengue pathogenesis remains unclear. Here, using the human monocytic cell line THP-1, human primary monocytes, and non-human primate models, we show that DENV-infected monocytes represent suitable carriers for circulatory viral dissemination. Monocyte-derived macrophages expressing M2 surface markers at the gene level efficiently replicated, while the productivity of monocyte replication was low. However, attachment of DENVs to the cellular surface of monocytes was similar to that of macrophages. Furthermore, after differentiation with type-2 cytokines, DENV-attached monocytes could replicate DENVs. Productive DENV infection was confirmed by intravenous injection of DENVs into nonhuman primate model, in which, DENV attachment to monocytes was positively correlated with viremia. These results provide insight into the role of circulating monocytes in DENV infection, suggesting that monocytes directly assist in DENV dissemination and replication during viremia and could be applied to design antiviral intervention.
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Affiliation(s)
- Eun-Ha Hwang
- National Primate Research Centre, Korea Research Institute of Bioscience and Biotechnology, Cheongju, Chungcheongbuk, Republic of Korea,Laboratory Animal Medicine, College of Veterinary Medicine, Chonnam National University, Gwangju, South Jeolla, Republic of Korea
| | | | - Bon-Sang Koo
- National Primate Research Centre, Korea Research Institute of Bioscience and Biotechnology, Cheongju, Chungcheongbuk, Republic of Korea
| | - Hanseul Oh
- National Primate Research Centre, Korea Research Institute of Bioscience and Biotechnology, Cheongju, Chungcheongbuk, Republic of Korea,College of Veterinary Medicine, Chungbuk National University, Cheongju, Korea
| | - Green Kim
- National Primate Research Centre, Korea Research Institute of Bioscience and Biotechnology, Cheongju, Chungcheongbuk, Republic of Korea,Laboratory Animal Medicine, College of Veterinary Medicine, Chonnam National University, Gwangju, South Jeolla, Republic of Korea
| | - Hoyin Jung
- National Primate Research Centre, Korea Research Institute of Bioscience and Biotechnology, Cheongju, Chungcheongbuk, Republic of Korea
| | - Seung Ho Baek
- National Primate Research Centre, Korea Research Institute of Bioscience and Biotechnology, Cheongju, Chungcheongbuk, Republic of Korea
| | - You Jung An
- National Primate Research Centre, Korea Research Institute of Bioscience and Biotechnology, Cheongju, Chungcheongbuk, Republic of Korea
| | - Jong-Hwan Park
- Laboratory Animal Medicine, College of Veterinary Medicine, Chonnam National University, Gwangju, South Jeolla, Republic of Korea
| | - Jung Joo Hong
- National Primate Research Centre, Korea Research Institute of Bioscience and Biotechnology, Cheongju, Chungcheongbuk, Republic of Korea,KRIBB School of Bioscience, Korea University of Science & Technology (UST), Daejeon, Republic of Korea,Corresponding author.
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16
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Sekaran SD, Ismail AA, Thergarajan G, Chandramathi S, Rahman SKH, Mani RR, Jusof FF, Lim YAL, Manikam R. Host immune response against DENV and ZIKV infections. Front Cell Infect Microbiol 2022; 12:975222. [PMID: 36159640 PMCID: PMC9492869 DOI: 10.3389/fcimb.2022.975222] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/22/2022] [Accepted: 08/16/2022] [Indexed: 11/15/2022] Open
Abstract
Dengue is a major public health concern, affecting almost 400 million people worldwide, with about 70% of the global burden of disease in Asia. Despite revised clinical classifications of dengue infections by the World Health Organization, the wide spectrum of the manifestations of dengue illness continues to pose challenges in diagnosis and patient management for clinicians. When the Zika epidemic spread through the American continent and then later to Africa and Asia in 2015, researchers compared the characteristics of the Zika infection to Dengue, considering both these viruses were transmitted primarily through the same vector, the Aedes aegypti female mosquitoes. An important difference to note, however, was that the Zika epidemic diffused in a shorter time span compared to the persisting feature of Dengue infections, which is endemic in many Asian countries. As the pathogenesis of viral illnesses is affected by host immune responses, various immune modulators have been proposed as biomarkers to predict the risk of the disease progression to a severe form, at a much earlier stage of the illness. However, the findings for most biomarkers are highly discrepant between studies. Meanwhile, the cross-reactivity of CD8+ and CD4+ T cells response to Dengue and Zika viruses provide important clues for further development of potential treatments. This review discusses similarities between Dengue and Zika infections, comparing their disease transmissions and vectors involved, and both the innate and adaptive immune responses in these infections. Consideration of the genetic identity of both the Dengue and Zika flaviviruses as well as the cross-reactivity of relevant T cells along with the actions of CD4+ cytotoxic cells in these infections are also presented. Finally, a summary of the immune biomarkers that have been reported for dengue and Zika viral infections are discussed which may be useful indicators for future anti-viral targets or predictors for disease severity. Together, this information appraises the current understanding of both Zika and Dengue infections, providing insights for future vaccine design approaches against both viruses.
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Affiliation(s)
| | - Amni Adilah Ismail
- Department of Medical Microbiology, Faculty of Medicine, University of Malaya, Kuala Lumpur, Malaysia
| | - Gaythri Thergarajan
- Faculty of Medical & Health Sciences, UCSI University, Kuala Lumpur, Malaysia
| | - Samudi Chandramathi
- Department of Medical Microbiology, Faculty of Medicine, University of Malaya, Kuala Lumpur, Malaysia
| | - S. K. Hanan Rahman
- Department of Medical Microbiology, Faculty of Medicine, University of Malaya, Kuala Lumpur, Malaysia
| | - Ravishankar Ram Mani
- Department of Medical Microbiology, Faculty of Medicine, University of Malaya, Kuala Lumpur, Malaysia
| | - Felicita Fedelis Jusof
- Department of Physiology, Faculty of Medicine, University of Malaya, Kuala Lumpur, Malaysia
| | - Yvonne A. L. Lim
- Department of Parasitology, Faculty of Medicine, University of Malaya, Kuala Lumpur, Malaysia
| | - Rishya Manikam
- Department of Trauma and Emergency Medicine, University Malaya Medical Centre, Kuala Lumpur, Malaysia
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17
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Maheshwari D, Saini K, Singh P, Singla M, Nayak K, Aggarwal C, Chawla YM, Bajpai P, Kaur M, Gunisetty S, Eberhardt CS, Nyodu R, Moore K, Suthar MS, Medigeshi GR, Anderson E, Lodha R, Kabra SK, Ahmed R, Chandele A, Murali-Krishna K. Contrasting behavior between the three human monocyte subsets in dengue pathophysiology. iScience 2022; 25:104384. [PMID: 35620424 PMCID: PMC9127603 DOI: 10.1016/j.isci.2022.104384] [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: 11/16/2021] [Revised: 03/09/2022] [Accepted: 05/05/2022] [Indexed: 10/26/2022] Open
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18
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Innate Immune Response to Dengue Virus: Toll-like Receptors and Antiviral Response. Viruses 2022; 14:v14050992. [PMID: 35632732 PMCID: PMC9147118 DOI: 10.3390/v14050992] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/31/2021] [Revised: 03/31/2022] [Accepted: 04/04/2022] [Indexed: 02/06/2023] Open
Abstract
Dengue is a mosquito-borne viral disease caused by the dengue virus (DENV1-4). The clinical manifestations range from asymptomatic to life-threatening dengue hemorrhagic fever (DHF) and/or Dengue Shock Syndrome (DSS). Viral and host factors are related to the clinical outcome of dengue, although the disease pathogenesis remains uncertain. The innate antiviral response to DENV is implemented by a variety of immune cells and inflammatory mediators. Blood monocytes, dendritic cells (DCs) and tissue macrophages are the main target cells of DENV infection. These cells recognize pathogen-associated molecular patterns (PAMPs) through pattern recognition receptors (PRRs). Pathogen recognition is a critical step in eliciting the innate immune response. Toll-like receptors (TLRs) are responsible for the innate recognition of pathogens and represent an essential component of the innate and adaptive immune response. Ten different TLRs are described in humans, which are expressed in many different immune cells. The engagement of TLRs with viral PAMPs triggers downstream signaling pathways leading to the production of inflammatory cytokines, interferons (IFNs) and other molecules essential for the prevention of viral replication. Here, we summarize the crucial TLRs’ roles in the antiviral innate immune response to DENV and their association with viral pathogenesis.
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19
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Haider A, Ullah F, Bilal M, Saif Z, Awais H, Mannan T, Javed H, Bashir F. Clinical Correlation of Dengue Strains on the Basis of Seroprevalence in a Tertiary Care Hospital. PAKISTAN BIOMEDICAL JOURNAL 2022. [DOI: 10.54393/pbmj.v5i4.341] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 09/01/2023]
Abstract
Dengue viruses are icosahedral in structure and contain a single-stranded positive- sense RNA sequence of 11kb inside their capsid protein, which belongs to Flaviviridae family, genera Flavivirus. DENV a vector dependent viral virus which presents a severe health danger worldwide. Objective: To study the different strains of dengue on the basis of serotypes Methods: A cross sectional study was conducted at a tertiary care hospital Lahore, Primary and Secondary Health Department Lahore. The blood samples of 103 patients were collected from non-random sampling technique to check out the data of different parameters such as WBC’s & Platelets through Complete Blood Count (CBC), NS1 from ELISA and nature of dengue strains through RT- PCR. Results: Of 103 positive dengue patients, there were n= 58 (33.63 ± 16.54) males and n=45 (40.64± 16.00) females. Data for the total patients is subjected to statistical differences by Paired t-test (*p<0.05). The overall percentage of dengue strains within the sample population was DENV-2 (96%), DENV-3 (2%), DENV-1 & DENV-2 (2% in females, nil in males) DENV-2 & DENV-3 (2% both in males and females). According to clinical parameters the correlation of ELISA results with WBC’s was significant (<0.0001) as well as ELISA and platelets of patients had no correlation with each other. Conclusions: Leukopenia and Thrombocytopenia is found particularly in DENV-2 strain as well as we found two different strains in two patients. So, our research work is helpful for the identification in genetic similarity of dengue strains.
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20
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Losada PX, DeLaura I, Narváez CF. Dengue Virus and Platelets: From the Biology to the Clinic. Viral Immunol 2022; 35:349-358. [PMID: 35483090 DOI: 10.1089/vim.2021.0135] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022] Open
Abstract
Dengue is one of the most important vector-borne viral illnesses found in tropical and subtropical regions. Colombia has one of the highest rates of dengue cases in the Americas. Severe dengue virus (DENV) infection presents with capillary leakage, hemorrhage, and organ compromise, eventually leading to death. Over the years, there have been many efforts to develop a vaccine that guarantees protective immunity, but they have been partially successful, as such immunity would need to guarantee protection against four distinct viral serotypes. Absolute platelet count is a laboratory parameter used to monitor the clinical progression of DENV, as infection is often accompanied by thrombocytopenia. Although this finding is well described with respect to the natural history of the disease, there are various hypotheses as to the cause of this rapid decrease, and several in vivo and ex vivo models have been used to explain the effect of DENV infection on platelets and their precursors. DENV infects and activates platelets, facilitating their elimination through recognition by phagocytic cells and peripheral margination. However, infection also affects the precursors in the bone marrow by modulating megakaryopoiesis. The objective of this article is to explore various proposed mechanisms of DENV-induced thrombocytopenia to better understand the pathophysiology and clinical presentations of this highly relevant viral infection.
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Affiliation(s)
- Paula X Losada
- División de Inmunología, Programa de Medicina, Facultad de Salud, Universidad Surcolombiana, Neiva, Huila, Colombia
| | - Isabel DeLaura
- Duke University School of Medicine, Durham, North Carolina, USA
| | - Carlos F Narváez
- División de Inmunología, Programa de Medicina, Facultad de Salud, Universidad Surcolombiana, Neiva, Huila, Colombia
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21
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Satria RD, Jhan MK, Chen CL, Tseng PC, Wang YT, Lin CF. Elevated TNF-α Induces Thrombophagocytosis by Mononuclear Cells in ex vivo Whole-Blood Co-Culture with Dengue Virus. J Inflamm Res 2022; 15:1717-1728. [PMID: 35282270 PMCID: PMC8906901 DOI: 10.2147/jir.s356742] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/01/2022] [Accepted: 02/24/2022] [Indexed: 11/23/2022] Open
Abstract
Background Infection with dengue virus (DENV) causes hematological complications in dengue diseases characterized by thrombocytopenia accompanied by macrophage activation syndrome and hemophagocytosis in fatal patients. Methods In this study, we investigate the undefined mechanisms underlying the progression of thrombocytopenia caused by thrombophagocytosis based on an ex vivo whole-blood co-culture model of DENV infection for mimicking the acute febrile phase of infection. Results In this model, complete blood count test showed a decrease in monocytes (p < 0.01), but not neutrophils nor other white blood cells, accompanied by a low thrombocyte count (p < 0.01) in DENV infection with a positive correlation (r = 0.636, p < 0.05). Furthermore, DENV exposure caused significant thrombophagocytosis in mononuclear cells (p < 0.05). Abnormal production of tumor necrosis factor (TNF)-α was highly associated with induction of thrombophagocytosis (r = 0.758, p < 0.01), decreased monocytes (r = −0.758, p < 0.01), and decreased thrombocyte (r = −0.728, p < 0.01). Neutralizing TNF-α considerably (p < 0.05) reversed such DENV-induced effects and was further validated by immunostaining-based flow cytometry analysis on mononuclear CD14 positive monocytes. Exogenous administration of TNF-α effectively caused thrombophagocytosis accompanied by decreased monocytes and thrombocytes, probably causing monocyte activation. Conclusion These results demonstrate the potential pathogenesis of thrombocytopenia caused by TNF-α-induced thrombophagocytosis in monocytes during DENV infection.
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Affiliation(s)
- Rahmat Dani Satria
- International Ph.D. Program in Medicine, College of Medicine, Taipei Medical University, Taipei, 110, Taiwan
- Department of Clinical Pathology and Laboratory Medicine, Faculty of Medicine, Public Health and Nursing, Universitas Gadjah Mada, Yogyakarta, 55281, Indonesia
- Clinical Laboratory Installation, Dr. Sardjito Central General Hospital, Yogyakarta, 55281, Indonesia
- Department of Microbiology and Immunology, School of Medicine, College of Medicine, Taipei Medical University, Taipei, 110, Taiwan
| | - Ming-Kai Jhan
- Department of Microbiology and Immunology, School of Medicine, College of Medicine, Taipei Medical University, Taipei, 110, Taiwan
- Graduate Institute of Medical Sciences, College of Medicine, Taipei Medical University, Taipei, 110, Taiwan
| | - Chia-Ling Chen
- School of Respiratory Therapy, College of Medicine, Taipei Medical University, Taipei, 110, Taiwan
| | - Po-Chun Tseng
- Department of Microbiology and Immunology, School of Medicine, College of Medicine, Taipei Medical University, Taipei, 110, Taiwan
- Core Laboratory of Immune Monitoring, Office of Research & Development, Taipei Medical University, Taipei, 110, Taiwan
| | - Yung-Ting Wang
- Department of Microbiology and Immunology, School of Medicine, College of Medicine, Taipei Medical University, Taipei, 110, Taiwan
| | - Chiou-Feng Lin
- Department of Microbiology and Immunology, School of Medicine, College of Medicine, Taipei Medical University, Taipei, 110, Taiwan
- Graduate Institute of Medical Sciences, College of Medicine, Taipei Medical University, Taipei, 110, Taiwan
- Core Laboratory of Immune Monitoring, Office of Research & Development, Taipei Medical University, Taipei, 110, Taiwan
- Correspondence: Chiou-Feng Lin, Department of Microbiology and Immunology, School of Medicine, College of Medicine, Taipei Medical University, Taipei, 110, Taiwan, Tel +886 2 27361661 ext. 7156, Email
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22
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Single-cell Temporal Analysis of Natural Dengue Infection Reveals Skin-Homing Lymphocyte Expansion One Day before Defervescence. iScience 2022; 25:104034. [PMID: 35345453 PMCID: PMC8957021 DOI: 10.1016/j.isci.2022.104034] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/28/2021] [Revised: 02/02/2022] [Accepted: 03/02/2022] [Indexed: 11/28/2022] Open
Abstract
Effective clinical management of acute dengue virus (DENV) infection relies on the timing of suitable treatments during the disease progression. We analyzed single-cell transcriptomic profiles of the peripheral blood mononuclear cell samples from two DENV patients, collected daily during acute phase and also at convalescence. Key immune cell types demonstrated different dynamic responses over the course of the infection. On the day before defervescence (Day −1), we observed the peak expression of several prominent genes in the adaptive immunological pathways. We also characterized unique effector T cell clusters that expressed skin-homing signature genes at Day −1, whereas upregulation of skin and gut homing genes was also observed in plasma cells and plasmablasts during the febrile period. This work provides an overview of unique molecular dynamics that signify the entry of the critical phase, and the findings could improve the patient management of DENV infection. Time-course scRNA-seq reveals immune response dynamics during acute dengue infection Rapid transcriptional switching was observed one day before fever subsided (Day -1) Skin-homing signatures were observed in specific T cells during the febrile phase Expansion of skin-homing CD69+ PD-1+ T cells at Day -1 was confirmed with FACS
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23
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Broeckel RM, Feldmann F, McNally KL, Chiramel AI, Sturdevant GL, Leung JM, Hanley PW, Lovaglio J, Rosenke R, Scott DP, Saturday G, Bouamr F, Rasmussen AL, Robertson SJ, Best SM. A pigtailed macaque model of Kyasanur Forest disease virus and Alkhurma hemorrhagic disease virus pathogenesis. PLoS Pathog 2021; 17:e1009678. [PMID: 34855915 PMCID: PMC8638978 DOI: 10.1371/journal.ppat.1009678] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2021] [Accepted: 10/15/2021] [Indexed: 11/18/2022] Open
Abstract
Kyasanur Forest disease virus (KFDV) and the closely related Alkhurma hemorrhagic disease virus (AHFV) are emerging flaviviruses that cause severe viral hemorrhagic fevers in humans. Increasing geographical expansion and case numbers, particularly of KFDV in southwest India, class these viruses as a public health threat. Viral pathogenesis is not well understood and additional vaccines and antivirals are needed to effectively counter the impact of these viruses. However, current animal models of KFDV pathogenesis do not accurately reproduce viral tissue tropism or clinical outcomes observed in humans. Here, we show that pigtailed macaques (Macaca nemestrina) infected with KFDV or AHFV develop viremia that peaks 2 to 4 days following inoculation. Over the course of infection, animals developed lymphocytopenia, thrombocytopenia, and elevated liver enzymes. Infected animals exhibited hallmark signs of human disease characterized by a flushed appearance, piloerection, dehydration, loss of appetite, weakness, and hemorrhagic signs including epistaxis. Virus was commonly present in the gastrointestinal tract, consistent with human disease caused by KFDV and AHFV where gastrointestinal symptoms (hemorrhage, vomiting, diarrhea) are common. Importantly, RNAseq of whole blood revealed that KFDV downregulated gene expression of key clotting factors that was not observed during AHFV infection, consistent with increased severity of KFDV disease observed in this model. This work characterizes a nonhuman primate model for KFDV and AHFV that closely resembles human disease for further utilization in understanding host immunity and development of antiviral countermeasures.
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MESH Headings
- Animals
- Chlorocebus aethiops
- Cytokines/blood
- Disease Models, Animal
- Encephalitis Viruses, Tick-Borne/genetics
- Encephalitis Viruses, Tick-Borne/immunology
- Encephalitis Viruses, Tick-Borne/pathogenicity
- Encephalitis, Tick-Borne/immunology
- Encephalitis, Tick-Borne/pathology
- Encephalitis, Tick-Borne/virology
- Female
- HEK293 Cells
- Hemorrhagic Fevers, Viral/immunology
- Hemorrhagic Fevers, Viral/pathology
- Hemorrhagic Fevers, Viral/virology
- Humans
- Lymph Nodes/virology
- Macaca nemestrina
- Vero Cells
- Viremia
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Affiliation(s)
- Rebecca M. Broeckel
- Laboratory of Virology, Rocky Mountain Laboratories, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Hamilton, Montana, United States of America
| | - Friederike Feldmann
- Rocky Mountain Veterinary Branch, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Hamilton, Montana, United States of America
| | - Kristin L. McNally
- Laboratory of Virology, Rocky Mountain Laboratories, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Hamilton, Montana, United States of America
| | - Abhilash I. Chiramel
- Laboratory of Virology, Rocky Mountain Laboratories, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Hamilton, Montana, United States of America
| | - Gail L. Sturdevant
- Laboratory of Virology, Rocky Mountain Laboratories, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Hamilton, Montana, United States of America
| | - Jacqueline M. Leung
- Research Technologies Branch, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Hamilton, Montana, United States of America
| | - Patrick W. Hanley
- Rocky Mountain Veterinary Branch, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Hamilton, Montana, United States of America
| | - Jamie Lovaglio
- Rocky Mountain Veterinary Branch, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Hamilton, Montana, United States of America
| | - Rebecca Rosenke
- Rocky Mountain Veterinary Branch, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Hamilton, Montana, United States of America
| | - Dana P. Scott
- Rocky Mountain Veterinary Branch, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Hamilton, Montana, United States of America
| | - Greg Saturday
- Rocky Mountain Veterinary Branch, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Hamilton, Montana, United States of America
| | - Fadila Bouamr
- Laboratory of Molecular Microbiology, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, Maryland, United States of America
| | - Angela L. Rasmussen
- Vaccine and Infectious Disease Organization, University of Saskatchewan, Saskatoon, Saskatchewan, Canada
- Center for Global Health Science and Security, Georgetown University, Washington, District of Columbia, United States of America
| | - Shelly J. Robertson
- Laboratory of Virology, Rocky Mountain Laboratories, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Hamilton, Montana, United States of America
| | - Sonja M. Best
- Laboratory of Virology, Rocky Mountain Laboratories, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Hamilton, Montana, United States of America
- * E-mail:
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24
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Lertjuthaporn S, Keawvichit R, Polsrila K, Sukapirom K, Chuansumrit A, Chokephaibulkit K, Ansari AA, Khowawisetsut L, Pattanapanyasat K. Kinetic Changes of Peripheral Blood Monocyte Subsets and Expression of Co-Stimulatory Molecules during Acute Dengue Virus Infection. Pathogens 2021; 10:pathogens10111458. [PMID: 34832614 PMCID: PMC8625762 DOI: 10.3390/pathogens10111458] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/2021] [Revised: 10/31/2021] [Accepted: 11/09/2021] [Indexed: 11/21/2022] Open
Abstract
Monocytes, one of the main target cells for dengue virus (DENV) infection, contribute to the resolution of viremia and to pathogenesis. We performed a longitudinal study by a detailed phenotypic comparison of classical (CD14++CD16−, non-classical (CD14+CD16++) and intermediate (CD14++CD16+) monocyte subsets in blood samples from dengue fever (DF) to the severe dengue hemorrhagic fever (DHF) and healthy individuals. Various costimulatory molecules of CD40, CD80, CD86 and inducible costimulatory ligand (ICOSL) expressed on these three monocyte subsets were also analyzed. DENV-infected patients showed an increase in the frequency of intermediate monocytes and a decrease in the classical monocytes when compared to healthy individuals. Although these differences did not correlate with disease severity, changes during the early phase of infection gradually returned to normal in the defervescence phase. Moreover, decreased frequency of classical monocytes was associated with a significant up-regulation of co-stimulatory molecules CD40, CD86 and ICOSL. Kinetics of these co-stimulatory molecule-expressing classical monocytes showed different patterns throughout the sampling times of acute DENV infection. Different distribution of monocyte subsets and their co-stimulatory molecules in the peripheral blood during acute infection might exacerbate immune responses like cytokine storms and ADE, and future studies on intracellular molecular pathways utilized by these monocyte linages are warranted.
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Affiliation(s)
- Sakaorat Lertjuthaporn
- Center for Research and Innovation, Faculty of Medical Technology, Mahidol University, Nakhon Pathom 73170, Thailand;
| | - Rassamon Keawvichit
- Department of Clinical Pathology, Faculty of Medicine Vajira Hospital, Navamindradhiraj University, Bangkok 10300, Thailand;
| | - Korakot Polsrila
- Research Department, Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkok 10700, Thailand;
| | - Kasama Sukapirom
- Center of Excellence for Microparticle and Exosome in Diseases, Research Department, Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkok 10700, Thailand;
| | - Ampaiwan Chuansumrit
- Department of Pediatrics, Faculty of Medicine Ramathibodi Hospital, Mahidol University, Bangkok 10400, Thailand;
| | - Kulkanya Chokephaibulkit
- Department of Pediatrics, Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkok 10700, Thailand;
| | - Aftab A. Ansari
- Department of Pathology and Laboratory Medicine, Emory University School of Medicine, Atlanta, GA 30322, USA;
| | - Ladawan Khowawisetsut
- Department of Parasitology, Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkok 10700, Thailand
- Correspondence: (L.K.); (K.P.)
| | - Kovit Pattanapanyasat
- Center of Excellence for Microparticle and Exosome in Diseases, Research Department, Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkok 10700, Thailand;
- Correspondence: (L.K.); (K.P.)
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25
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Rossi ÁD, Higa LM, Herlinger AL, Ribeiro-Alves M, de Menezes MT, Giannini ALM, Cardoso CC, Da Poian AT, Tanuri A, Aguiar RS. Differential Expression of Human MicroRNAs During Dengue Virus Infection in THP-1 Monocytes. Front Cell Infect Microbiol 2021; 11:714088. [PMID: 34568093 PMCID: PMC8455953 DOI: 10.3389/fcimb.2021.714088] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2021] [Accepted: 08/25/2021] [Indexed: 12/31/2022] Open
Abstract
Dengue virus (DENV) is the most widespread arbovirus, responsible for a wide range of clinical manifestations, varying from self-limited illness to severe hemorrhagic fever. Dengue severity is associated with host intense proinflammatory response and monocytes have been considered one of the key cell types involved in the early steps of DENV infection and immunopathogenesis. To better understand cellular mechanisms involved in monocyte infection by DENV, we analyzed the expression levels of 754 human microRNAs in DENV-infected THP-1 cells, a human monocytic cell line. Eleven human microRNAs showed differential expression after DENV infection and gene ontology and enrichment analysis revealed biological processes potentially affected by these molecules. Five downregulated microRNAs were significantly linked to cellular response to stress, four to cell death/apoptosis, two to innate immune responses and one upregulated to vesicle mediated, TGF-β signaling, phosphatidylinositol mediated signaling, lipid metabolism process and blood coagulation.
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Affiliation(s)
- Átila Duque Rossi
- Laboratório de Virologia Molecular, Departamento de Genética, Instituto de Biologia, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil
| | - Luiza Mendonça Higa
- Laboratório de Virologia Molecular, Departamento de Genética, Instituto de Biologia, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil.,Laboratório de Bioquímica de Vírus, Instituto de Bioquímica Médica Leopoldo de Meis, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil
| | - Alice Laschuk Herlinger
- Laboratório de Virologia Molecular, Departamento de Genética, Instituto de Biologia, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil
| | - Marcelo Ribeiro-Alves
- Laboratório de Pesquisa Clínica em DST/AIDS, Instituto Nacional de Infectologia Evandro Chagas, FIOCRUZ, Rio de Janeiro, Brazil
| | - Mariane Talon de Menezes
- Laboratório de Virologia Molecular, Departamento de Genética, Instituto de Biologia, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil
| | - Ana Lucia Moraes Giannini
- Laboratório de Genômica Funcional e Transdução de Sinal, Departamento de Genética, Instituto de Biologia, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil
| | - Cynthia Chester Cardoso
- Laboratório de Virologia Molecular, Departamento de Genética, Instituto de Biologia, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil
| | - Andrea T Da Poian
- Laboratório de Bioquímica de Vírus, Instituto de Bioquímica Médica Leopoldo de Meis, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil
| | - Amilcar Tanuri
- Laboratório de Virologia Molecular, Departamento de Genética, Instituto de Biologia, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil
| | - Renato Santana Aguiar
- Laboratório de Virologia Molecular, Departamento de Genética, Instituto de Biologia, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil.,Laboratório de Biologia Integrativa, Departamento de Genética, Ecologia e Evolução, Instituto de Ciências Biológicas, Universidade Federal de Minas Gerais, Belo Horizonte, Brazil
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26
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Amaryllidaceae Alkaloid Cherylline Inhibits the Replication of Dengue and Zika Viruses. Antimicrob Agents Chemother 2021; 65:e0039821. [PMID: 34152811 PMCID: PMC8370201 DOI: 10.1128/aac.00398-21] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022] Open
Abstract
Dengue fever, caused by dengue virus (DENV), is the most prevalent arthropod-borne viral disease and is endemic in many tropical and subtropical parts of the world, with an increasing incidence in temperate regions. The closely related flavivirus Zika virus (ZIKV) can be transmitted vertically in utero and causes congenital Zika syndrome and other birth defects. In adults, ZIKV is associated with Guillain-Barré syndrome. There are no approved antiviral therapies against either virus. Effective antiviral compounds are urgently needed. Amaryllidaceae alkaloids (AAs) are a specific class of nitrogen-containing compounds produced by plants of the Amaryllidaceae family with numerous biological activities. Recently, the AA lycorine was shown to present strong antiflaviviral properties. Previously, we demonstrated that Crinum jagus contained lycorine and several alkaloids of the cherylline, crinine, and galanthamine types with unknown antiviral potential. In this study, we explored their biological activities. We show that C. jagus crude alkaloid extract inhibited DENV infection. Among the purified AAs, cherylline efficiently inhibited both DENV (50% effective concentration [EC50], 8.8 μM) and ZIKV replication (EC50, 20.3 μM) but had no effect on HIV-1 infection. Time-of-drug-addition and -removal experiments identified a postentry step as the one targeted by cherylline. Consistently, using subgenomic replicons and replication-defective genomes, we demonstrate that cherylline specifically hinders the viral RNA synthesis step but not viral translation. In conclusion, AAs are an underestimated source of antiflavivirus compounds, including the effective inhibitor cherylline, which could be optimized for new therapeutic approaches.
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27
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Laboratory Findings in Patients with Probable Dengue Diagnosis from an Endemic Area in Colombia in 2018. Viruses 2021; 13:v13071401. [PMID: 34372606 PMCID: PMC8310201 DOI: 10.3390/v13071401] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2021] [Revised: 07/15/2021] [Accepted: 07/15/2021] [Indexed: 11/17/2022] Open
Abstract
As demonstrated with the novel coronavirus pandemic, rapid and accurate diagnosis is key to determine the clinical characteristic of a disease and to improve vaccine development. Once the infected person is identified, hematological findings may be used to predict disease outcome and offer the correct treatment. Rapid and accurate diagnosis and clinical parameters are pivotal to track infections during clinical trials and set protection status. This is also applicable for re-emerging diseases like dengue fever, which causes outbreaks in Asia and Latin America every 4 to 5 years. Some areas in the US are also endemic for the transmission of dengue virus (DENV), the causal agent of dengue fever. However, significant number of DENV infections in rural areas are diagnosed solely by clinical and hematological findings because of the lack of availability of ELISA or PCR-based tests or the infrastructure to implement them in the near future. Rapid diagnostic tests (RDT) are a less sensitive, yet they represent a timely way of detecting DENV infections. The purpose of this study was to determine whether there is an association between hematological findings and the probability for an NS1-based DENV RDT to detect the DENV NS1 antigen. We also aimed to describe the hematological parameters that are associated with the diagnosis through each test.
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28
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Siegel PM, Orlean L, Bojti I, Kaier K, Witsch T, Esser JS, Trummer G, Moser M, Peter K, Bode C, Diehl P. Monocyte Dysfunction Detected by the Designed Ankyrin Repeat Protein F7 Predicts Mortality in Patients Receiving Veno-Arterial Extracorporeal Membrane Oxygenation. Front Cardiovasc Med 2021; 8:689218. [PMID: 34350217 PMCID: PMC8326337 DOI: 10.3389/fcvm.2021.689218] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2021] [Accepted: 06/21/2021] [Indexed: 11/13/2022] Open
Abstract
Background: Veno-arterial extracorporeal membrane oxygenation (VA-ECMO) is used for critically ill patients requiring hemodynamic support but has been shown to induce an inflammatory response syndrome potentially leading to severe complications and poor outcome. Monocytes are comprised of different subsets and play a central role in the innate immune system. The unique small binding proteins, Designed Ankyrin Repeat Protein “F7” and single chain variable fragment “MAN-1,” specifically detect the activated conformation of the leukocyte integrin Mac-1 enabling the highly sensitive detection of monocyte activation status. The aim of this study was to characterize monocyte function and heterogeneity and their association with outcome in VA-ECMO patients. Methods: VA-ECMO patients were recruited from the ICUs of the University Hospital in Freiburg, Germany. Blood was sampled on day 0 and day 3 after VA-ECMO placement, after VA-ECMO explantation and from healthy controls. Monocyte subset distribution, baseline activation and stimulability were analyzed by flow cytometry using the unique small binding proteins F7 and MAN-1 and the conventional activation markers CD163, CD86, CD69, and CX3CR1. Furthermore, expression of monocyte activation markers in survivors and non-survivors on day 0 was compared. Simple logistic regression was conducted to determine the association of monocyte activation markers with mortality. Results: Twenty two patients on VA-ECMO and 15 healthy controls were recruited. Eleven patients survived until discharge from the ICU. Compared to controls, baseline monocyte activation was significantly increased, whereas stimulability was decreased. The percentage of classical monocytes increased after explantation, while the percentage of intermediate monocytes decreased. Total, classical, and intermediate monocyte counts were significantly elevated compared to controls. On day 0, baseline binding of F7 was significantly lower in non-survivors than survivors. The area under the ROC curve associated with mortality on day 0 was 0.802 (p = 0.02). Conclusions: Distribution of monocyte subsets changes during VA-ECMO and absolute classical and intermediate monocyte counts are significantly elevated compared to controls. Monocytes from VA-ECMO patients showed signs of dysfunction. Monocyte dysfunction, as determined by the unique tool F7, could be valuable for predicting mortality in patients receiving VA-ECMO and may be used as a novel biomarker guiding early clinical decision making in the future.
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Affiliation(s)
- Patrick M Siegel
- Department of Cardiology and Angiology I, University Heart Center Freiburg - Bad Krozingen, Faculty of Medicine, University of Freiburg, Freiburg, Germany
| | - Lukas Orlean
- Department of Cardiology and Angiology I, University Heart Center Freiburg - Bad Krozingen, Faculty of Medicine, University of Freiburg, Freiburg, Germany
| | - István Bojti
- Department of Cardiology and Angiology I, University Heart Center Freiburg - Bad Krozingen, Faculty of Medicine, University of Freiburg, Freiburg, Germany
| | - Klaus Kaier
- Institute of Medical Biometry and Statistics, Faculty of Medicine and Medical Center, University of Freiburg, Breisgau, Germany
| | - Thilo Witsch
- Department of Cardiology and Angiology I, University Heart Center Freiburg - Bad Krozingen, Faculty of Medicine, University of Freiburg, Freiburg, Germany
| | - Jennifer S Esser
- Department of Cardiology and Angiology I, University Heart Center Freiburg - Bad Krozingen, Faculty of Medicine, University of Freiburg, Freiburg, Germany
| | - Georg Trummer
- Department of Cardiovascular Surgery, University Heart Center Freiburg - Bad Krozingen, Faculty of Medicine, University of Freiburg, Freiburg, Germany
| | - Martin Moser
- Department of Cardiology and Angiology I, University Heart Center Freiburg - Bad Krozingen, Faculty of Medicine, University of Freiburg, Freiburg, Germany
| | - Karlheinz Peter
- Atherothrombosis and Vascular Biology Laboratory, Baker Heart and Diabetes Institute, Melbourne, VIC, Australia.,Department of Medicine, Central Clinical School, Monash University, Melbourne, VIC, Australia.,Baker Department of Cardiometabolic Health, University of Melbourne, Melbourne, VIC, Australia
| | - Christoph Bode
- Department of Cardiology and Angiology I, University Heart Center Freiburg - Bad Krozingen, Faculty of Medicine, University of Freiburg, Freiburg, Germany
| | - Philipp Diehl
- Department of Cardiology and Angiology I, University Heart Center Freiburg - Bad Krozingen, Faculty of Medicine, University of Freiburg, Freiburg, Germany
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29
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CyTOF Profiling of Zika and Dengue Virus-Infected Human Peripheral Blood Mononuclear Cells Identifies Phenotypic Signatures of Monotype Subsets and Upregulation of the Interferon-Inducible Protein CD169. mSphere 2021; 6:e0050521. [PMID: 34160241 PMCID: PMC8265667 DOI: 10.1128/msphere.00505-21] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
Zika and dengue virus (ZIKV and DENV) are two flaviviruses responsible for important vector-borne emerging infectious diseases. While there have been multiple DENV epidemics in the last decades, there have been fewer documented epidemics caused by ZIKV until recent years. Thus, our current knowledge about the biology of ZIKV, the disease, and the immune responses in humans is limited. Here, we used mass cytometry (CyTOF) to perform a detailed characterization of the innate immune responses elicited by ZIKV and DENV in human peripheral blood mononuclear cells (PBMCs) from healthy donors infected ex vivo. We found that ZIKV and DENV exposure of human PBMCs induces global phenotypic changes in myeloid cells, characterized mainly by upregulation of costimulatory molecules (CD86 and CD40), CD38, and the type I interferon-inducible protein CD169, a marker for phagocytic function and cross-priming potential in myeloid cells. We also found that ZIKV induces expansion of nonclassical monocytes in cell culture. The analysis of the phenotype of the three monocyte subtypes (classical, intermediate, and nonclassical) at the single-cell level identified differences in their expression of CD86, CD38, CXCL8, and CXCL10 during ZIKV and DENV infection. Overall, using CyTOF, we found that ex vivo infections of PBMCs with ZIKV and DENV reproduced many aspects of the profile found in blood from patients in previously described cohort studies, which highlights the suitability of this system for the study of the human host responses to these viruses. IMPORTANCE Zika and dengue viruses are emergent arboviruses of great public health impact. Both viruses are responsible for important diseases, yet there is currently no vaccine or specific treatment available. Immune cells play critical roles in the virus cycle as well as in the innate and adaptive immune response elicited in the host; therefore, it is critical to understand the changes induced by virus infection in peripheral blood mononuclear cells (PBMCs). In this study, we used a model of ex vivo infection of PBMCs and CyTOF technology to profile the early innate immune changes induced by Zika virus and dengue virus in blood.
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30
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Deng XM, Zhao LZ, Liang XY, Li D, Yu L, Zhang FC, Zhang H, Liu ZY, Xu P. In vitro Studies and Clinical Observations Imply a Synergistic Effect Between Epstein-Barr Virus and Dengue Virus Infection. Front Microbiol 2021; 12:691008. [PMID: 34220783 PMCID: PMC8249608 DOI: 10.3389/fmicb.2021.691008] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2021] [Accepted: 05/19/2021] [Indexed: 11/13/2022] Open
Abstract
Dengue virus (DENV) infection can lead to a complex spectrum of clinical outcomes, ranging from asymptomatic infection to life-threatening severe dengue. The reasons for thus drastically varying manifestations of the disease remain an enigma. Herein, we reported an original discovery of the synergistic effect between preexisting Epstein-Barr virus (EBV) infection and DENV superinfection in vitro and of a strong correlation of these two viruses in the clinical samples from dengue patients. We showed that (I) DENV-2 infection of an EBV-positive cell line (EBV + Akata cell) reactivated EBV, and it could be blocked by wortmannin treatment. (II) Examination of human peripheral blood mononuclear cell (PBMC) samples from dengue patients revealed significantly elevated cell-associated EBV DNA copy number at the time of hospitalization vs. at the time of disease recovery in most individuals. (III) EBV infection promoted DENV propagation in both EBV-hosting B cells and indirectly in THP-1 cells, supported by the following evidence: (A) EBV + Akata cells were more permissive to DENV-2 infection compared with Akata cells harboring no EBV virus (EBV- Akata cells). (B) Low-molecular weight fraction secreted from EBV + Akata cells could enhance DENV-2 propagation in monocytic THP-1 cells. (C) While reactivation of EBV in EBV + Akata cells further increased DENV-2 yield from this cell line, pharmacological inhibition of EBV replication by acyclovir had the opposite effect. To our knowledge, this is the first investigation demonstrating a positive correlation between EBV and DENV in vitro and in human biospecimens.
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Affiliation(s)
- Xiao-Mei Deng
- The Centre for Infection and Immunity Studies, School of Medicine, Sun Yat-sen University, Guangzhou, China
| | - Ling-Zhai Zhao
- Guangzhou Eighth People's Hospital, Guangzhou Medical University, Guangzhou, China
| | - Xue-Ying Liang
- The Centre for Infection and Immunity Studies, School of Medicine, Sun Yat-sen University, Guangzhou, China
| | - Dan Li
- The Centre for Infection and Immunity Studies, School of Medicine, Sun Yat-sen University, Guangzhou, China
| | - Lei Yu
- Guangzhou Eighth People's Hospital, Guangzhou Medical University, Guangzhou, China
| | - Fu-Chun Zhang
- Guangzhou Eighth People's Hospital, Guangzhou Medical University, Guangzhou, China
| | - Hua Zhang
- The Centre for Infection and Immunity Studies, School of Medicine, Sun Yat-sen University, Guangzhou, China
| | - Zhong-Yu Liu
- The Centre for Infection and Immunity Studies, School of Medicine, Sun Yat-sen University, Guangzhou, China
| | - Pei Xu
- The Centre for Infection and Immunity Studies, School of Medicine, Sun Yat-sen University, Guangzhou, China
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31
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Singsuksawat E, Onnome S, Posiri P, Suphatrakul A, Srisuk N, Nantachokchawapan R, Praneechit H, Sae-kow C, Chidpratum P, Sa-ngiamsuntorn K, Hongeng S, Avirutnan P, Duangchinda T, Siridechadilok B. Potent programmable antiviral against dengue virus in primary human cells by Cas13b RNP with short spacer and delivery by VLP. Mol Ther Methods Clin Dev 2021; 21:729-740. [PMID: 33969146 PMCID: PMC8087611 DOI: 10.1016/j.omtm.2021.04.014] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/25/2021] [Accepted: 04/22/2021] [Indexed: 12/26/2022]
Abstract
With sequencing as a standard frontline protocol to identify emerging viruses such Zika virus and severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), direct utilization of sequence data to program antivirals against the viruses could accelerate drug development to treat their infections. CRISPR-Cas effectors are promising candidates that could be programmed to inactivate viral genetic material based on sequence data, but several challenges such as delivery and design of effective CRISPR RNA (crRNA) need to be addressed to realize practical use. Here, we showed that virus-like particle (VLP) could deliver PspCas13b-crRNA ribonucleoprotein (RNP) in nanomolar range to efficiently suppress dengue virus infection in primary human target cells. Shortening spacer length could significantly enhance RNA-targeting efficiency of PspCas13b in mammalian cells compared to the natural length of 30 nucleotides without compromising multiplex targeting by a crRNA array. Our results demonstrate the potentials of applying PspCas13b RNP to suppress RNA virus infection, with implications in targeting host RNA as well.
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Affiliation(s)
- Ekapot Singsuksawat
- National Center for Genetic Engineering and Biotechnology, Klong Luang, Pathumthani 12120, Thailand
| | - Suppachoke Onnome
- National Center for Genetic Engineering and Biotechnology, Klong Luang, Pathumthani 12120, Thailand
| | - Pratsaneeyaporn Posiri
- National Center for Genetic Engineering and Biotechnology, Klong Luang, Pathumthani 12120, Thailand
| | - Amporn Suphatrakul
- National Center for Genetic Engineering and Biotechnology, Klong Luang, Pathumthani 12120, Thailand
| | - Nittaya Srisuk
- National Center for Genetic Engineering and Biotechnology, Klong Luang, Pathumthani 12120, Thailand
| | | | - Hansa Praneechit
- Division of Dengue Hemorrhagic Fever Research, Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkok 10700, Thailand
- Graduate Program in Immunology, Department of Immunology, Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkok 10700, Thailand
| | - Chutimon Sae-kow
- National Center for Genetic Engineering and Biotechnology, Klong Luang, Pathumthani 12120, Thailand
| | - Pala Chidpratum
- National Center for Genetic Engineering and Biotechnology, Klong Luang, Pathumthani 12120, Thailand
| | - Khanit Sa-ngiamsuntorn
- Department of Biochemistry, Faculty of Pharmacy, Mahidol University, Bangkok 10400, Thailand
| | - Suradej Hongeng
- Department of Pediatrics, Faculty of Medicine, Ramathibodi Hospital, Mahidol University, Bangkok 10400, Thailand
| | - Panisadee Avirutnan
- Division of Dengue Hemorrhagic Fever Research, Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkok 10700, Thailand
- Siriraj Center of Research Excellence in Dengue and Emerging Pathogens, Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkok 10700, Thailand
| | - Thaneeya Duangchinda
- National Center for Genetic Engineering and Biotechnology, Klong Luang, Pathumthani 12120, Thailand
| | - Bunpote Siridechadilok
- National Center for Genetic Engineering and Biotechnology, Klong Luang, Pathumthani 12120, Thailand
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32
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Hanley JP, Tu HA, Dragon JA, Dickson DM, Rio-Guerra RD, Tighe SW, Eckstrom KM, Selig N, Scarpino SV, Whitehead SS, Durbin AP, Pierce KK, Kirkpatrick BD, Rizzo DM, Frietze S, Diehl SA. Immunotranscriptomic profiling the acute and clearance phases of a human challenge dengue virus serotype 2 infection model. Nat Commun 2021; 12:3054. [PMID: 34031380 PMCID: PMC8144425 DOI: 10.1038/s41467-021-22930-6] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/12/2020] [Accepted: 04/08/2021] [Indexed: 12/13/2022] Open
Abstract
About 20-25% of dengue virus (DENV) infections become symptomatic ranging from self-limiting fever to shock. Immune gene expression changes during progression to severe dengue have been documented in hospitalized patients; however, baseline or kinetic information is difficult to standardize in natural infection. Here we profile the host immunotranscriptome response in humans before, during, and after infection with a partially attenuated rDEN2Δ30 challenge virus (ClinicalTrials.gov NCT02021968). Inflammatory genes including type I interferon and viral restriction pathways are induced during DENV2 viremia and return to baseline after viral clearance, while others including myeloid, migratory, humoral, and growth factor immune regulation factors pathways are found at non-baseline levels post-viremia. Furthermore, pre-infection baseline gene expression is useful to predict rDEN2Δ30-induced immune responses and the development of rash. Our results suggest a distinct immunological profile for mild rDEN2Δ30 infection and offer new potential biomarkers for characterizing primary DENV infection.
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Affiliation(s)
- John P Hanley
- Department of Microbiology and Molecular Genetics, Larner College of Medicine, University of Vermont, Burlington, VT, USA
- Translational Global Infectious Disease Research Center, Larner College of Medicine, University of Vermont, Burlington, VT, USA
| | - Huy A Tu
- Department of Microbiology and Molecular Genetics, Larner College of Medicine, University of Vermont, Burlington, VT, USA
- Cellular and Molecular Biomedical Sciences Program, University of Vermont, Burlington, VT, USA
- Vaccine Testing Center, Larner College of Medicine, University of Vermont, Burlington, VT, USA
| | - Julie A Dragon
- Department of Microbiology and Molecular Genetics, Larner College of Medicine, University of Vermont, Burlington, VT, USA
- Vermont Integrated Genomics Resource, University of Vermont, Burlington, VT, USA
| | - Dorothy M Dickson
- Department of Microbiology and Molecular Genetics, Larner College of Medicine, University of Vermont, Burlington, VT, USA
- Translational Global Infectious Disease Research Center, Larner College of Medicine, University of Vermont, Burlington, VT, USA
- Vaccine Testing Center, Larner College of Medicine, University of Vermont, Burlington, VT, USA
| | - Roxana Del Rio-Guerra
- Flow Cytometry and Cell Sorting Facility, Department of Surgery, Larner College of Medicine, University of Vermont, Burlington, VT, USA
| | - Scott W Tighe
- Vermont Integrated Genomics Resource, University of Vermont, Burlington, VT, USA
| | - Korin M Eckstrom
- Department of Microbiology and Molecular Genetics, Larner College of Medicine, University of Vermont, Burlington, VT, USA
- Vermont Integrated Genomics Resource, University of Vermont, Burlington, VT, USA
| | - Nicholas Selig
- Vaccine Testing Center, Larner College of Medicine, University of Vermont, Burlington, VT, USA
| | | | - Stephen S Whitehead
- Laboratory of Viral Diseases, National Institute of Allergy and Infectious Diseases, Bethesda, MD, USA
| | - Anna P Durbin
- Center for Immunization Research, Department of International Health, Bloomberg School of Public Health, Johns Hopkins University, Baltimore, MD, USA
| | - Kristen K Pierce
- Department of Microbiology and Molecular Genetics, Larner College of Medicine, University of Vermont, Burlington, VT, USA
- Translational Global Infectious Disease Research Center, Larner College of Medicine, University of Vermont, Burlington, VT, USA
- Vaccine Testing Center, Larner College of Medicine, University of Vermont, Burlington, VT, USA
| | - Beth D Kirkpatrick
- Department of Microbiology and Molecular Genetics, Larner College of Medicine, University of Vermont, Burlington, VT, USA
- Translational Global Infectious Disease Research Center, Larner College of Medicine, University of Vermont, Burlington, VT, USA
- Vaccine Testing Center, Larner College of Medicine, University of Vermont, Burlington, VT, USA
| | - Donna M Rizzo
- Department of Civil and Environmental Engineering, College of Engineering and Mathematical Sciences, University of Vermont, Burlington, VT, USA
| | - Seth Frietze
- Cellular and Molecular Biomedical Sciences Program, University of Vermont, Burlington, VT, USA
- Department of Biomedical and Health Sciences, College of Nursing and Health Sciences, University of Vermont, Burlington, VT, USA
- University of Vermont Cancer Center, Burlington, VT, USA
| | - Sean A Diehl
- Department of Microbiology and Molecular Genetics, Larner College of Medicine, University of Vermont, Burlington, VT, USA.
- Translational Global Infectious Disease Research Center, Larner College of Medicine, University of Vermont, Burlington, VT, USA.
- Cellular and Molecular Biomedical Sciences Program, University of Vermont, Burlington, VT, USA.
- Vaccine Testing Center, Larner College of Medicine, University of Vermont, Burlington, VT, USA.
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33
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Increased TNF- α Initiates Cytoplasmic Vacuolization in Whole Blood Coculture with Dengue Virus. J Immunol Res 2021; 2021:6654617. [PMID: 34041302 PMCID: PMC8121593 DOI: 10.1155/2021/6654617] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/12/2020] [Revised: 04/09/2021] [Accepted: 04/26/2021] [Indexed: 12/22/2022] Open
Abstract
During the acute febrile phase of dengue virus (DENV) infection, viremia can cause severe systemic immune responses accompanied by hematologic disorders. This study investigated the potential induction and mechanism of the cytopathic effects of DENV on peripheral blood cells ex vivo. At one day postinfection, there was viral nonstructural protein NS1 but no further virus replication measured in the whole blood culture. Notably, DENV exposure caused significant vacuolization in monocytic phagocytes. With a minor change in the complete blood cell count, except for a minor increase in neutrophils and a significant decrease in monocytes, the immune profiling assay identified several changes, particularly a significant reduction in CD14-positive monocytes as well as CD11c-positive dendritic cells. Abnormal production of TNF-α was highly associated with the induction of vacuolization. Manipulating TNF-α expression resulted in cytopathogenic effects. These results demonstrate the potential hematological damage caused by ex vivo DENV-induced TNF-α.
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34
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Upasani V, Vo HTM, Auerswald H, Laurent D, Heng S, Duong V, Rodenhuis-Zybert IA, Dussart P, Cantaert T. Direct Infection of B Cells by Dengue Virus Modulates B Cell Responses in a Cambodian Pediatric Cohort. Front Immunol 2021; 11:594813. [PMID: 33643283 PMCID: PMC7907177 DOI: 10.3389/fimmu.2020.594813] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/14/2020] [Accepted: 12/24/2020] [Indexed: 12/11/2022] Open
Abstract
Dengue is an acute viral disease caused by dengue virus (DENV), which is transmitted by Aedes mosquitoes. Symptoms of DENV infection range from inapparent to severe and can be life-threatening. DENV replicates in primary immune cells such as dendritic cells and macrophages, which contribute to the dissemination of the virus. Susceptibility of other immune cells such as B cells to direct infection by DENV and their subsequent response to infection is not well defined. In a cohort of 60 Cambodian children, we showed that B cells are susceptible to DENV infection. Moreover, we show that B cells can support viral replication of laboratory adapted and patient-derived DENV strains. B cells were permissive to DENV infection albeit low titers of infectious virions were released in cell supernatants CD300a, a phosphatidylserine receptor, was identified as a potential attachment factor or receptor for entry of DENV into B cells. In spite of expressing Fcγ-receptors, antibody-mediated enhancement of DENV infection was not observed in B cells in an in vitro model. Direct infection by DENV induced proliferation of B cells in dengue patients in vivo and plasmablast/plasma cell formation in vitro. To summarize, our results show that B cells are susceptible to direct infection by DENV via CD300a and the subsequent B cell responses could contribute to dengue pathogenesis.
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Affiliation(s)
- Vinit Upasani
- Immunology Unit, Institut Pasteur du Cambodge, Institut Pasteur International Network, Phnom Penh, Cambodia.,Department of Medical Microbiology and Infection Prevention, University of Groningen and University Medical Center Groningen, Groningen, Netherlands
| | - Hoa Thi My Vo
- Immunology Unit, Institut Pasteur du Cambodge, Institut Pasteur International Network, Phnom Penh, Cambodia
| | - Heidi Auerswald
- Virology Unit, Institut Pasteur du Cambodge, Institut Pasteur International Network, Phnom Penh, Cambodia
| | - Denis Laurent
- Kantha Bopha Children Hospital, Phnom Penh, Cambodia
| | - Sothy Heng
- Kantha Bopha Children Hospital, Phnom Penh, Cambodia
| | - Veasna Duong
- Virology Unit, Institut Pasteur du Cambodge, Institut Pasteur International Network, Phnom Penh, Cambodia
| | - Izabela A Rodenhuis-Zybert
- Department of Medical Microbiology and Infection Prevention, University of Groningen and University Medical Center Groningen, Groningen, Netherlands
| | - Philippe Dussart
- Virology Unit, Institut Pasteur du Cambodge, Institut Pasteur International Network, Phnom Penh, Cambodia
| | - Tineke Cantaert
- Immunology Unit, Institut Pasteur du Cambodge, Institut Pasteur International Network, Phnom Penh, Cambodia
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35
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Channapatna Suresh S, Hanumanthaiha R, Ramakrishna C, Sandeep R, Narasimhasetty PS, Ramakrihna V, P BK, Raju B. Serum Ferritin As a Prognostic Indicator in Adult Dengue Patients. Am J Trop Med Hyg 2020; 104:1072-1078. [PMID: 33372649 DOI: 10.4269/ajtmh.20-1111] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2020] [Accepted: 11/08/2020] [Indexed: 01/04/2023] Open
Abstract
Dengue virus (DENV) infection is increasing with rapid urbanization in India. Treatment of DENV infection is mainly supportive with no specific antiviral therapy. Although most patients show mild illness, some have a severe disease course such as dengue hemorrhagic syndrome, dengue shock, multi-organ failure, and death. The cause for severity is not fully understood. Currently, there are no methods available to predict the course of the illness. Hence, it is crucial to develop an early biomarker to predict the course of dengue illness which can aid in vigorous monitoring and early intervention. Here, we tried to establish a correlation between serum ferritin and severity of dengue illness. We measured ferritin levels in 100 dengue-positive cases on day 1 (D1) (febrile phase) and day 4 (D4) (defervescence or convalescent) of admissions to compare the levels with the severity of the disease. On D1, the serum ferritin level was a "good" predictor of severe dengue, with an area under the curve (AUC) of 0.863 with standard error (SE) = 0.043 and a 95% CI from 0.778 to 0.947 (P < 0.05). On D4, serum ferritin was an "excellent" predictor of severe dengue, with an AUC of 0.947 with SE = 0.021 and a 95% CI from 0.907 to 0.988 (P < 0.05). Serum ferritin is an inexpensive and easily accessible biomarker that can assist in monitoring and prognosticating the dengue-positive patients. This biomarker also directs us to explore the underlying pathogenetic mechanism in severe dengue, which can lay a foundation for future targeted therapeutic options to combat severe illness.
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Affiliation(s)
- Sumatha Channapatna Suresh
- Department of Medicine, Kempegowda Institute of Medical Science and Research Institute, Bengaluru, India
| | - Rajeev Hanumanthaiha
- Department of Medicine, Kempegowda Institute of Medical Science and Research Institute, Bengaluru, India
| | - Chethana Ramakrishna
- Department of Medicine, Kempegowda Institute of Medical Science and Research Institute, Bengaluru, India
| | - Ramishetty Sandeep
- Department of Medicine, Kempegowda Institute of Medical Science and Research Institute, Bengaluru, India
| | | | - Vedavathy Ramakrihna
- Department of Medicine, Kempegowda Institute of Medical Science and Research Institute, Bengaluru, India
| | - Balraj K P
- Department of Medicine, Kempegowda Institute of Medical Science and Research Institute, Bengaluru, India
| | - Bharath Raju
- Department of Neurosurgery, Kempegowda Institute of Medical Science and Research Institute, Bengaluru, India
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36
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King CA, Wegman AD, Endy TP. Mobilization and Activation of the Innate Immune Response to Dengue Virus. Front Cell Infect Microbiol 2020; 10:574417. [PMID: 33224897 PMCID: PMC7670994 DOI: 10.3389/fcimb.2020.574417] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/19/2020] [Accepted: 09/28/2020] [Indexed: 12/17/2022] Open
Abstract
Dengue virus is an important human pathogen, infecting an estimated 400 million individuals per year and causing symptomatic disease in a subset of approximately 100 million. Much of the effort to date describing the host response to dengue has focused on the adaptive immune response, in part because of the well-established roles of antibody-dependent enhancement and T cell original sin as drivers of severe dengue upon heterotypic secondary infection. However, the innate immune system is a crucial factor in the host response to dengue, as it both governs the fate and vigor of the adaptive immune response, and mediates the acute inflammatory response in tissues. In this review, we discuss the innate inflammatory response to dengue infection, focusing on the role of evolutionarily conserved innate immune cells, their effector functions, and clinical course.
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Affiliation(s)
- Christine A. King
- Department of Microbiology and Immunology, State University of New York (SUNY) Upstate Medical University, Syracuse, NY, United States
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37
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McKechnie JL, Beltrán D, Ferreira AMM, Vergara R, Saenz L, Vergara O, Estripeaut D, Araúz AB, Simpson LJ, Holmes S, López-Vergès S, Blish CA. Mass Cytometry Analysis of the NK Cell Receptor-Ligand Repertoire Reveals Unique Differences between Dengue-Infected Children and Adults. Immunohorizons 2020; 4:634-647. [PMID: 33067399 PMCID: PMC8608029 DOI: 10.4049/immunohorizons.2000074] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/13/2020] [Accepted: 09/24/2020] [Indexed: 12/05/2022] Open
Abstract
Dengue virus (DENV) is a significant cause of morbidity in many regions of the world, with children at the greatest risk of developing severe dengue. NK cells, characterized by their ability to rapidly recognize and kill virally infected cells, are activated during acute DENV infection. However, their role in viral clearance versus pathogenesis has not been fully elucidated. Our goal was to profile the NK cell receptor-ligand repertoire to provide further insight into the function of NK cells during pediatric and adult DENV infection. We used mass cytometry to phenotype isolate NK cells and PBMCs from a cohort of DENV-infected children and adults. Using unsupervised clustering, we found that pediatric DENV infection leads to a decrease in total NK cell frequency with a reduction in the percentage of CD56dimCD38bright NK cells and an increase in the percentage of CD56dimperforinbright NK cells. No such changes were observed in adults. Next, we identified markers predictive of DENV infection using a differential state test. In adults, NK cell expression of activation markers, including CD69, perforin, and Fas-L, and myeloid cell expression of activating NK cell ligands, namely Fas, were predictive of infection. In contrast, increased NK cell expression of the maturation marker CD57 and myeloid cell expression of inhibitory ligands, such as HLA class I molecules, were predictive of pediatric DENV infection. These findings suggest that acute pediatric DENV infection may result in diminished NK cell activation, which could contribute to enhanced pathogenesis and disease severity.
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Affiliation(s)
- Julia L. McKechnie
- Program in Immunology, Stanford University School of Medicine, Stanford, CA 94305
| | - Davis Beltrán
- Department of Research in Virology and Biotechnology, Gorgas Memorial Institute for Health Studies, Panama City, Panama
- Institute for Scientific Research and Technology Services, Panama City, Panama
- Department of Biotechnology, Acharya Nagarjuna University, Guntur 522002, India
| | | | - Rosemary Vergara
- Department of Medicine, Stanford University School of Medicine, Stanford, CA 94305
| | - Lisseth Saenz
- Department of Research in Virology and Biotechnology, Gorgas Memorial Institute for Health Studies, Panama City, Panama
| | - Ofelina Vergara
- Hospital del Niño Doctor José Renán Esquivel, Panama City, Panama
| | - Dora Estripeaut
- Hospital del Niño Doctor José Renán Esquivel, Panama City, Panama
| | | | - Laura J. Simpson
- Department of Medicine, Stanford University School of Medicine, Stanford, CA 94305
| | - Susan Holmes
- Department of Statistics, Stanford University, Stanford, CA 94305
| | - Sandra López-Vergès
- Department of Research in Virology and Biotechnology, Gorgas Memorial Institute for Health Studies, Panama City, Panama
- Institute for Scientific Research and Technology Services, Panama City, Panama
- Universidad de Panama, Panama City, Panama
| | - Catherine A. Blish
- Program in Immunology, Stanford University School of Medicine, Stanford, CA 94305
- Department of Medicine, Stanford University School of Medicine, Stanford, CA 94305
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38
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Shen TJ, Chen CL, Jhan MK, Tseng PC, Lin CF. CNS Immune Profiling in a Dengue Virus-Infected Immunocompetent Outbred ICR Mice Strain. Front Cell Infect Microbiol 2020; 10:557610. [PMID: 33072626 PMCID: PMC7539834 DOI: 10.3389/fcimb.2020.557610] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2020] [Accepted: 08/18/2020] [Indexed: 12/12/2022] Open
Abstract
Dengue virus (DENV) infection in the brain causes severe dengue disease with neuropathic complications. In addition to viral effects, immunogenic or pathogenic central nervous system (CNS) inflammation can be induced during DENV infection. By using an immunocompetent outbred ICR (Institute of Cancer Research) mouse model for investigating CNS immunity upon DENV infection, we conducted single-panel immune cell profiling and a multiplex cytokine assay. The ICR mice infected with DENV presented with progressive hunchback posture, limbic seizures, limbic weakness, paralysis, and lethality. When the virions were released, the viral non-structural protein 1 was expressed in the brain in a time-dependent manner. Isolated brain CD45-positive cells revealed a significant population of resident CD14-positive cells, which was considerably decreased 8 days post-infection. We found an unexpected time-kinetic decrease in CD19-positive cells and CD11c/MHC II-positive cells and an increase in NK1.1-positive cells. Further assays showed the time-dependent induction of proinflammatory and NK1.1-associated cytokines in the DENV-infected brains. These results indicate a CNS immune profile of DENV infection and hypothetical CNS immunity in response to DENV infection.
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Affiliation(s)
- Ting-Jing Shen
- Graduate Institute of Medical Sciences, College of Medicine, Taipei Medical University, Taipei, Taiwan.,Department of Microbiology and Immunology, School of Medicine, College of Medicine, Taipei Medical University, Taipei, Taiwan
| | - Chia-Ling Chen
- School of Respiratory Therapy, College of Medicine, Taipei Medical University, Taipei, Taiwan
| | - Ming-Kai Jhan
- Graduate Institute of Medical Sciences, College of Medicine, Taipei Medical University, Taipei, Taiwan.,Department of Microbiology and Immunology, School of Medicine, College of Medicine, Taipei Medical University, Taipei, Taiwan
| | - Po-Chun Tseng
- Department of Microbiology and Immunology, School of Medicine, College of Medicine, Taipei Medical University, Taipei, Taiwan.,Core Laboratory of Immune Monitoring, Office of Research & Development, Taipei Medical University, Taipei, Taiwan
| | - Chiou-Feng Lin
- Graduate Institute of Medical Sciences, College of Medicine, Taipei Medical University, Taipei, Taiwan.,Department of Microbiology and Immunology, School of Medicine, College of Medicine, Taipei Medical University, Taipei, Taiwan.,Core Laboratory of Immune Monitoring, Office of Research & Development, Taipei Medical University, Taipei, Taiwan.,Center of Infectious Diseases and Signaling Research, National Cheng Kung University, Tainan, Taiwan
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39
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Guerrero D, Cantaert T, Missé D. Aedes Mosquito Salivary Components and Their Effect on the Immune Response to Arboviruses. Front Cell Infect Microbiol 2020; 10:407. [PMID: 32850501 PMCID: PMC7426362 DOI: 10.3389/fcimb.2020.00407] [Citation(s) in RCA: 25] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2020] [Accepted: 06/30/2020] [Indexed: 12/25/2022] Open
Abstract
Vector-borne diseases are responsible for over a billion infections each year and nearly one million deaths. Mosquito-borne dengue virus, West Nile, Japanese encephalitis, Zika, Chikungunya, and Rift Valley Fever viruses constitute major public health problems in regions with high densities of arthropod vectors. During the initial step of the transmission cycle, vector, host, and virus converge at the bite site, where local immune cells interact with the vector's saliva. Hematophagous mosquito saliva is a mixture of bioactive components known to modulate vertebrate hemostasis, immunity, and inflammation during the insect's feeding process. The capacity of mosquito saliva to modulate the host immune response has been well-studied over the last few decades and has led to the consensus that the presence of saliva is linked to the enhancement of virus transmission, host susceptibility, disease progression, viremia levels, and mortality. We review some of the major aspects of the interactions between mosquito saliva and the host immune response that may be useful for future studies on the control of arboviruses.
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Affiliation(s)
- David Guerrero
- Immunology Unit, Institut Pasteur du Cambodge, Institut Pasteur International Network, Phnom Penh, Cambodia
| | - Tineke Cantaert
- Immunology Unit, Institut Pasteur du Cambodge, Institut Pasteur International Network, Phnom Penh, Cambodia
| | - Dorothée Missé
- MIVEGEC, IRD, University of Montpellier, CNRS, Montpellier, France
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40
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Corticosteroid actions on dengue immune pathology; A review article. CLINICAL EPIDEMIOLOGY AND GLOBAL HEALTH 2020. [DOI: 10.1016/j.cegh.2019.11.001] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022] Open
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41
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Thulin NK, Brewer RC, Sherwood R, Bournazos S, Edwards KG, Ramadoss NS, Taubenberger JK, Memoli M, Gentles AJ, Jagannathan P, Zhang S, Libraty DH, Wang TT. Maternal Anti-Dengue IgG Fucosylation Predicts Susceptibility to Dengue Disease in Infants. Cell Rep 2020; 31:107642. [PMID: 32402275 PMCID: PMC7344335 DOI: 10.1016/j.celrep.2020.107642] [Citation(s) in RCA: 36] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/12/2019] [Revised: 03/29/2020] [Accepted: 04/22/2020] [Indexed: 12/20/2022] Open
Abstract
Infant mortality from dengue disease is a devastating global health burden that could be minimized with the ability to identify susceptibility for severe disease prior to infection. Although most primary infant dengue infections are asymptomatic, maternally derived anti-dengue immunoglobulin G (IgGs) present during infection can trigger progression to severe disease through antibody-dependent enhancement mechanisms. Importantly, specific characteristics of maternal IgGs that herald progression to severe infant dengue are unknown. Here, we define ≥10% afucosylation of maternal anti-dengue IgGs as a risk factor for susceptibility of infants to symptomatic dengue infections. Mechanistic experiments show that afucosylation of anti-dengue IgGs promotes FcγRIIIa signaling during infection, in turn enhancing dengue virus replication in FcγRIIIa+ monocytes. These studies identify a post-translational modification of anti-dengue IgGs that correlates with risk for symptomatic infant dengue infections and define a mechanism by which afucosylated antibodies and FcγRIIIa enhance dengue infections.
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Affiliation(s)
- Natalie K Thulin
- Department of Medicine, Stanford University School of Medicine, Stanford, CA 94305, USA
| | - R Camille Brewer
- Department of Medicine, Stanford University School of Medicine, Stanford, CA 94305, USA
| | - Robert Sherwood
- Proteomics Facility, Institute of Biotechnology, Cornell University, Ithaca, NY 14853, USA
| | - Stylianos Bournazos
- The Laboratory of Molecular Genetics and Immunology, The Rockefeller University, 1230 York Avenue, New York, NY 10065, USA
| | - Karlie G Edwards
- Department of Medicine, Stanford University School of Medicine, Stanford, CA 94305, USA
| | - Nitya S Ramadoss
- Department of Immunology and Rheumatology, Stanford University, Stanford, CA 94305, USA
| | - Jeffery K Taubenberger
- Viral Pathogenesis and Evolution Section, Laboratory of Infectious Diseases, Division of Intramural Research, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, MD, USA
| | - Matthew Memoli
- Viral Pathogenesis and Evolution Section, Laboratory of Infectious Diseases, Division of Intramural Research, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, MD, USA
| | - Andrew J Gentles
- Department of Medicine, Stanford University School of Medicine, Stanford, CA 94305, USA; Department of Biomedical Data Science, Stanford University, Stanford, CA 94305, USA
| | - Prasanna Jagannathan
- Department of Medicine, Stanford University School of Medicine, Stanford, CA 94305, USA; Department of Microbiology and Immunology, Stanford University, Stanford, CA 94305, USA
| | - Sheng Zhang
- Proteomics Facility, Institute of Biotechnology, Cornell University, Ithaca, NY 14853, USA
| | | | - Taia T Wang
- Department of Medicine, Stanford University School of Medicine, Stanford, CA 94305, USA; Department of Microbiology and Immunology, Stanford University, Stanford, CA 94305, USA; Chan Zuckerberg Biohub, San Francisco, CA 94518, USA.
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Lin TH, Chen HW, Hsiao YJ, Yan JY, Chiang CY, Chen MY, Hu HM, Wu SH, Pan CH. Immunodomination of Serotype-Specific CD4+ T-Cell Epitopes Contributed to the Biased Immune Responses Induced by a Tetravalent Measles-Vectored Dengue Vaccine. Front Immunol 2020; 11:546. [PMID: 32300346 PMCID: PMC7145397 DOI: 10.3389/fimmu.2020.00546] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2019] [Accepted: 03/10/2020] [Indexed: 01/07/2023] Open
Abstract
Dengue is an emerging mosquito-borne disease, and the use of prophylactic vaccines is still limited. We previously developed a tetravalent dengue vaccine (rMV-TDV) by a recombinant measles virus (MV) vector expressing envelope protein domain III (ED3). In this study, we used dengue-susceptible AG129 mice to evaluate the protective and/or pathogenic immune responses induced by rMV-TDV. Consistent with the previous study, rMV-TDV-immunized mice developed a significant neutralizing antibody response against all serotypes of DENV, as well as a significant IFN-γ response biased to DENV-3, compared to the vector controls. We further demonstrated that this DENV-3-specific IFN-γ response was dominated by one CD4+ T-cell epitope located in E349-363. After DENV-2 challenge, rMV-TDV-immunized mice showed a significantly lower viremia and no inflammatory cytokine increase compared to the vector controls, which had an ~100 times higher viremia and a significant increase in IFN-γ and TNF-α. As a correlate of protection, a robust memory IFN-γ response specific to DENV-2 was boosted in rMV-TDV-immunized mice after challenge. This result suggested that pre-existing DENV-3-dominated T-cell responses did not cross-react, but a DENV-2-specific IFN-γ response, which was undetectable during immunization, was recalled. Interestingly, this recalled T-cell response recognized the epitope in the same position as the E349-363 but in the DENV-2 serotype. This result suggested that immunodomination occurred in the CD4+ T-cell epitopes between dengue serotypes after rMV-TDV vaccination and resulted in a DENV-3-dominated CD4+ T-cell response. Although the significant increase in IgG against both DENV-2 and -3 suggested that cross-reactive antibody responses were boosted, the increased neutralizing antibodies and IgG avidity still remained DENV-2 specific, consistent with the serotype-specific T cell response post challenge. Our data reveal that immunodomination caused a biased T-cell response to one of the dengue serotypes after tetravalent dengue vaccination and highlight the roles of cross-reactive T cells in dengue protection.
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Affiliation(s)
- Tsung-Han Lin
- National Institute of Infectious Diseases and Vaccinology, National Health Research Institutes, Miaoli, Taiwan
| | - Hsin-Wei Chen
- National Institute of Infectious Diseases and Vaccinology, National Health Research Institutes, Miaoli, Taiwan.,Graduate Institute of Biomedical Sciences, China Medical University, Taichung, Taiwan.,Graduate Institute of Medicine, Kaohsiung Medical University, Kaohsiung, Taiwan
| | - Yu-Ju Hsiao
- National Institute of Infectious Diseases and Vaccinology, National Health Research Institutes, Miaoli, Taiwan
| | - Jia-Ying Yan
- National Institute of Infectious Diseases and Vaccinology, National Health Research Institutes, Miaoli, Taiwan
| | - Chen-Yi Chiang
- National Institute of Infectious Diseases and Vaccinology, National Health Research Institutes, Miaoli, Taiwan
| | - Mei-Yu Chen
- National Institute of Infectious Diseases and Vaccinology, National Health Research Institutes, Miaoli, Taiwan
| | - Hui-Mei Hu
- National Institute of Infectious Diseases and Vaccinology, National Health Research Institutes, Miaoli, Taiwan
| | - Szu-Hsien Wu
- National Institute of Infectious Diseases and Vaccinology, National Health Research Institutes, Miaoli, Taiwan
| | - Chien-Hsiung Pan
- National Institute of Infectious Diseases and Vaccinology, National Health Research Institutes, Miaoli, Taiwan.,Graduate Institute of Biomedical Sciences, China Medical University, Taichung, Taiwan.,Graduate Institute of Medicine, Kaohsiung Medical University, Kaohsiung, Taiwan
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43
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Begum F, Das S, Mukherjee D, Mal S, Ray U. Insight into the Tropism of Dengue Virus in Humans. Viruses 2019; 11:v11121136. [PMID: 31835302 PMCID: PMC6950149 DOI: 10.3390/v11121136] [Citation(s) in RCA: 23] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/15/2019] [Revised: 11/01/2019] [Accepted: 11/04/2019] [Indexed: 12/13/2022] Open
Abstract
In tropical and subtropical zones, arboviruses are among the major threats to human life, affecting a large number of populations with serious diseases. Worldwide, over three hundred million people are infected with dengue virus (DENV) every year as per the World Health Organization (WHO). DENV-mediated disease severity ranges from a mild fever to hemorrhagic fever and shock syndrome. Patients suffering from severe infection might experience multi-organ failure, cardiomyopathy and even encephalopathy, further complicating the disease pathogenesis. In life-threatening cases, DENV has been reported to affect almost all organs of the human body. In this review, we discuss the organ tropism of DENV in humans in depth as detected in various autopsy studies. Keeping in mind the fact that there is currently no DENV-specific antiviral, it is of utmost importance to achieve a vivid picture of the susceptible cells in humans which might help in designing antivirals against DENV, especially targeting those tissues in which infection might lead to life-threatening conditions.
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Affiliation(s)
- Feroza Begum
- CSIR-Indian Institute of Chemical Biology, 4 Raja S.C. Mullick Road, Jadavpur, Kolkata700032, India; (F.B.); (S.D.); (D.M.); (S.M.)
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, India
| | - Sandeepan Das
- CSIR-Indian Institute of Chemical Biology, 4 Raja S.C. Mullick Road, Jadavpur, Kolkata700032, India; (F.B.); (S.D.); (D.M.); (S.M.)
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, India
| | - Debica Mukherjee
- CSIR-Indian Institute of Chemical Biology, 4 Raja S.C. Mullick Road, Jadavpur, Kolkata700032, India; (F.B.); (S.D.); (D.M.); (S.M.)
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, India
| | - Sweety Mal
- CSIR-Indian Institute of Chemical Biology, 4 Raja S.C. Mullick Road, Jadavpur, Kolkata700032, India; (F.B.); (S.D.); (D.M.); (S.M.)
| | - Upasana Ray
- CSIR-Indian Institute of Chemical Biology, 4 Raja S.C. Mullick Road, Jadavpur, Kolkata700032, India; (F.B.); (S.D.); (D.M.); (S.M.)
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, India
- Correspondence: ; Tel.: +91-978-187-8333
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44
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Kuzmina NA, Younan P, Gilchuk P, Santos RI, Flyak AI, Ilinykh PA, Huang K, Lubaki NM, Ramanathan P, Crowe JE, Bukreyev A. Antibody-Dependent Enhancement of Ebola Virus Infection by Human Antibodies Isolated from Survivors. Cell Rep 2019; 24:1802-1815.e5. [PMID: 30110637 DOI: 10.1016/j.celrep.2018.07.035] [Citation(s) in RCA: 53] [Impact Index Per Article: 10.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/11/2017] [Revised: 06/12/2018] [Accepted: 07/10/2018] [Indexed: 12/20/2022] Open
Abstract
Some monoclonal antibodies (mAbs) recovered from survivors of filovirus infections can protect against infection. It is currently unknown whether natural infection also induces some antibodies with the capacity for antibody-dependent enhancement (ADE). A panel of mAbs obtained from human survivors of filovirus infection caused by Ebola, Bundibugyo, or Marburg viruses was evaluated for their ability to facilitate ADE. ADE was observed readily with all mAbs examined at sub-neutralizing concentrations, and this effect was not restricted to mAbs with a particular epitope specificity, neutralizing capacity, or subclass. Blocking of specific Fcγ receptors reduced but did not abolish ADE that was associated with high-affinity binding antibodies, suggesting that lower-affinity interactions still cause ADE. Mutations of Fc fragments of an mAb that altered its interaction with Fc receptors rendered the antibody partially protective in vivo at a low dose, suggesting that ADE counteracts antibody-mediated protection and facilitates dissemination of filovirus infections.
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Affiliation(s)
- Natalia A Kuzmina
- Department of Pathology, University of Texas Medical Branch, Galveston, TX 77555, USA; Galveston National Laboratory, Galveston, TX 77550, USA
| | - Patrick Younan
- Department of Pathology, University of Texas Medical Branch, Galveston, TX 77555, USA; Galveston National Laboratory, Galveston, TX 77550, USA
| | - Pavlo Gilchuk
- Vanderbilt Vaccine Center, Vanderbilt University Medical Center, Nashville, TN 37232, USA
| | - Rodrigo I Santos
- Department of Pathology, University of Texas Medical Branch, Galveston, TX 77555, USA; Galveston National Laboratory, Galveston, TX 77550, USA
| | - Andrew I Flyak
- Department of Pathology, Microbiology, and Immunology, Vanderbilt University, Nashville, TN 37232, USA
| | - Philipp A Ilinykh
- Department of Pathology, University of Texas Medical Branch, Galveston, TX 77555, USA; Galveston National Laboratory, Galveston, TX 77550, USA
| | - Kai Huang
- Department of Pathology, University of Texas Medical Branch, Galveston, TX 77555, USA; Galveston National Laboratory, Galveston, TX 77550, USA
| | - Ndongala M Lubaki
- Department of Pathology, University of Texas Medical Branch, Galveston, TX 77555, USA; Galveston National Laboratory, Galveston, TX 77550, USA
| | - Palaniappan Ramanathan
- Department of Pathology, University of Texas Medical Branch, Galveston, TX 77555, USA; Galveston National Laboratory, Galveston, TX 77550, USA
| | - James E Crowe
- Department of Pathology, Microbiology, and Immunology, Vanderbilt University, Nashville, TN 37232, USA; Vanderbilt Vaccine Center, Vanderbilt University Medical Center, Nashville, TN 37232, USA; Department of Pediatrics, Vanderbilt University Medical Center, Nashville, TN 37232, USA.
| | - Alexander Bukreyev
- Department of Pathology, University of Texas Medical Branch, Galveston, TX 77555, USA; Galveston National Laboratory, Galveston, TX 77550, USA; Department of Microbiology & Immunology, University of Texas Medical Branch, Galveston, TX 77555, USA.
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Abstract
Arthropod-borne viral diseases caused by dengue virus (DENV) are major re-emerging public health problem worldwide. In spite of intense research, DENV pathogenesis is not fully understood and remains enigmatic; however, current evidence suggests that dengue progression is associated with an inflammatory response, mainly in patients suffering from a second DENV infection. Monocytes are one of the main target cells of DENV infection and play an important role in pathogenesis since they are known to produce several inflammatory cytokines that can lead to endothelial dysfunction and therefore vascular leak. In addition, monocytes play an important role in antibody dependent enhancement, infection with consequences in viral load and immune response. Despite the physiological functions of monocytes in immune response, their life span in the bloodstream is very short, and activation of monocytes by DENV infection can trigger different types of cell death. For example, DENV can induce apoptosis in monocytes related with the production of Tumor necrosis factor alpha (TNF-α). Additionally, recent studies have shown that DENV-infected monocytes also exhibit a cell death process mediated by caspase-1 activation together with IL-1 production, referred to as pyroptosis. Taken together, the aforementioned studies strongly depict that multiple cell death pathways may be occurring in monocytes upon DENV-2 infection. This review provides insight into mechanisms of DENV-induced death of both monocytes and other cell types for a better understanding of this process. Further knowledge in cell death induced by DENV will help in the developing novel strategies to prevent disease progression.
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46
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McKechnie JL, Beltrán D, Pitti A, Saenz L, Araúz AB, Vergara R, Harris E, Lanier LL, Blish CA, López-Vergès S. HLA Upregulation During Dengue Virus Infection Suppresses the Natural Killer Cell Response. Front Cell Infect Microbiol 2019; 9:268. [PMID: 31396492 PMCID: PMC6663972 DOI: 10.3389/fcimb.2019.00268] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/20/2019] [Accepted: 07/10/2019] [Indexed: 11/13/2022] Open
Abstract
Dengue virus (DENV) is the most prevalent mosquito-borne virus in the world and a major cause of morbidity in the tropics and subtropics. Upregulation of HLA class I molecules has long been considered a feature of DENV infection, yet this has not been evaluated in the setting of natural infection. Natural killer (NK) cells, an innate immune cell subset critical for mounting an early response to viral infection, are inhibited by self HLA class I, suggesting that upregulation of HLA class I during DENV infection could dampen the NK cell response. Here we addressed whether upregulation of HLA class I molecules occurs during in vivo DENV infection and, if so, whether this suppresses the NK cell response. We found that HLA class I expression was indeed upregulated during acute DENV infection across multiple cell lineages in vivo. To better understand the role of HLA class I upregulation, we infected primary human monocytes, a major target of DENV infection, in vitro. Upregulation of total HLA class I is dependent on active viral replication and is mediated in part by cytokines and other soluble factors induced by infection, while upregulation of HLA-E occurs in the presence of replication-incompetent virus. Importantly, blocking DENV-infected monocytes with a pan-HLA class I Fab nearly doubles the frequency of degranulating NK cells, while blocking HLA-E does not significantly improve the NK cell response. These findings demonstrate that upregulation of HLA class I during DENV infection suppresses the NK cell response, potentially contributing to disease pathogenesis.
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Affiliation(s)
- Julia L. McKechnie
- Program in Immunology, Stanford University School of Medicine, Stanford, CA, United States
| | - Davis Beltrán
- Department of Research in Virology and Biotechnology, Gorgas Memorial Institute for Health Studies, Panama City, Panama
- Institute for Scientific Research and Technology Services (INDICASAT-AIP), Panama City, Panama
- Department of Biotechnology, Acharya Nagarjuna University, Guntur, India
| | - Arcelys Pitti
- Department of Research in Virology and Biotechnology, Gorgas Memorial Institute for Health Studies, Panama City, Panama
| | - Lisseth Saenz
- Department of Research in Virology and Biotechnology, Gorgas Memorial Institute for Health Studies, Panama City, Panama
| | | | - Rosemary Vergara
- Department of Medicine, Stanford University School of Medicine, Stanford, CA, United States
| | - Eva Harris
- Division of Infectious Diseases and Vaccinology, School of Public Health, University of California, Berkeley, Berkeley, CA, United States
| | - Lewis L. Lanier
- Department of Microbiology and Immunology and the Parker Institute for Cancer Immunotherapy, University of California, San Francisco, San Francisco, CA, United States
| | - Catherine A. Blish
- Program in Immunology, Stanford University School of Medicine, Stanford, CA, United States
- Department of Medicine, Stanford University School of Medicine, Stanford, CA, United States
| | - Sandra López-Vergès
- Department of Research in Virology and Biotechnology, Gorgas Memorial Institute for Health Studies, Panama City, Panama
- Institute for Scientific Research and Technology Services (INDICASAT-AIP), Panama City, Panama
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47
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Naranjo-Gómez JS, Castillo-Ramírez JA, Velilla-Hernández PA, Castaño-Monsalve DM. Inmunopatología del dengue: importancia y participación de los monocitos y sus subpoblaciones. IATREIA 2019. [DOI: 10.17533/udea.iatreia.09] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/26/2023] Open
Abstract
El dengue es una infección viral aguda transmitida por la picadura de mosquitos del género Aedes, la cual produce hasta 100 millones de infecciones anuales en el mundo. Una gran proporción de individuos infectados con el virus presentan infecciones asintomáticas. Sin embargo, de los individuos que desarrollan la enfermedad, el 95 % presentan signos y síntomas similares a una virosis común, que por lo general se autoresuelven (dengue con y sin signos de alarma). El 5 % restante puede evolucionar a manifestaciones graves, caracterizadas por hemorragias, daño orgánico, choque hipovolémico e incluso la muerte (dengue grave).Los monocitos son uno de los blancos principales de la infección producida por el virus del dengue (DENV), los cuales participan en la replicación del mismo y en la producción de una gran variedad de citoquinas que contribuyen con el daño de diferentes tejidos y órganos en respuesta a la infección. Los monocitos se dividen en tres subpoblaciones: clásica (CD14++CD16-), no clásica (CD14+CD16++) e intermedia (CD14++CD16+), las cuales poseen respuestas funcionales contrastantes en diferentes procesos inflamatorios, en cuanto a la producción de mediadores solubles e interacción con el endotelio. Los monocitos no clásicos parecen ser los principales productores de mediadores inflamatorios como el TNF-α y la IL-1β en respuesta a la infección por DENV. Por lo tanto, se propone que cada subpoblación de monocitos debe tener un papel diferencial en la inmunopatología de la enfermedad.En esta revisión se recopilan los principales aspectos de la replicación viral y la inmunopatología del dengue, así como los principales hallazgos referentes al papel de los monocitos en esta infección y además, se propone un papel potencial y diferencial de las subpoblaciones de monocitos.
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Perdomo-Celis F, Romero F, Salgado DM, Vega R, Rodríguez J, Angel J, Franco MA, Greenberg HB, Narváez CF. Identification and Characterization at the Single-Cell Level of Cytokine-Producing Circulating Cells in Children With Dengue. J Infect Dis 2019; 217:1472-1480. [PMID: 29390091 DOI: 10.1093/infdis/jiy053] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2017] [Accepted: 01/22/2018] [Indexed: 01/10/2023] Open
Abstract
In this study, we identified, at the single-cell level, naturally induced cytokine-producing circulating cells (CPCCs) in children with dengue virus (DENV) infection ranging clinically from mild to severe disease. Tumor necrosis factor alpha (TNF-α) and interleukin 6 (IL-6) CPCCs were detected in children with primary or secondary acute dengue virus (DENV) infection, and the pattern of these cytokines was similar to that seen in the supernatant of cultured peripheral blood mononuclear cells and partially comparable to that found in plasma. Monocytes, B cells, and myeloid dendritic cells (mDCs) were the primary CPCCs detected, and the frequency of mDCs was significantly higher in severe disease. B cells isolated from children with dengue spontaneously secreted TNF-α, IL-6, and interleukin 10, and supernatants from cultures of purified B cells induced activation of allogeneic T cells, supporting an antibody-independent function of these cells during DENV infection. Thus, CPCCs could be a new immune parameter with potential use to evaluate pathogenesis in this infection.
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Affiliation(s)
| | - Felipe Romero
- Programa de Medicina, Facultad de Salud, Universidad Surcolombiana, Neiva.,Departamento de Pediatría, Hospital Universitario de Neiva, Bogotá, Colombia
| | - Doris M Salgado
- Programa de Medicina, Facultad de Salud, Universidad Surcolombiana, Neiva.,Departamento de Pediatría, Hospital Universitario de Neiva, Bogotá, Colombia
| | - Rocío Vega
- Programa de Medicina, Facultad de Salud, Universidad Surcolombiana, Neiva.,Departamento de Pediatría, Hospital Universitario de Neiva, Bogotá, Colombia
| | - Jairo Rodríguez
- Programa de Medicina, Facultad de Salud, Universidad Surcolombiana, Neiva.,Departamento de Pediatría, Hospital Universitario de Neiva, Bogotá, Colombia
| | - Juana Angel
- Instituto de Genética Humana, Pontificia Universidad Javeriana, Bogotá, Colombia
| | - Manuel A Franco
- Instituto de Genética Humana, Pontificia Universidad Javeriana, Bogotá, Colombia
| | - Harry B Greenberg
- Department of Medicine and Department of Microbiology and Immunology, Stanford University School of Medicine, California
| | - Carlos F Narváez
- Programa de Medicina, Facultad de Salud, Universidad Surcolombiana, Neiva
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49
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Valero N, Mosquera J, Torres M, Duran A, Velastegui M, Reyes J, Fernandez M, Fernandez G, Veliz T. Increased serum ferritin and interleukin-18 levels in children with dengue. Braz J Microbiol 2019; 50:649-656. [PMID: 31243722 DOI: 10.1007/s42770-019-00105-2] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2019] [Accepted: 06/12/2019] [Indexed: 12/12/2022] Open
Abstract
Activated monocytes/macrophages that produce a cytokine storm play an important role in the pathogenesis of dengue. Interleukin-18 (IL-18) is a proinflammatory cytokine produced by monocyte/macrophages that is increased during dengue. Ferritin is an acute-phase reactant and expressed by cells of the reticulo-endothelial system in response to infection by dengue virus. The aims of this study were to analyze the simultaneous expression of both IL-18 and ferritins in children infected by diverse serotypes of dengue virus (DENV) and determine their association with dengue severity. In this regard, children with dengue (n = 25) and healthy controls with similar age and sex (n = 20) were analyzed for circulating ferritin and cytokines. Monocytes were isolated by Hystopaque gradient and co-cultured with DENV-2. IL-18 and ferritin contents in blood, and IL-18 in culture supernatants were determined by ELISA. Increased levels of ferritin and IL-18 (p < 0.0001) were observed in dengue patients, not associated to NS1expression or type of infection (primary or secondary). Highest values of both molecules (p < 0.001) were observed in dengue with warning signs and severe dengue. Differential effect on IL-18/ferritin production was observed associated to viral serotype infection. There were no correlations between ferritin vs. IL-18 production, ferritin vs. NS1 status, and IL-18 vs. NS1 status. Viral-infected monocyte cultures showed increased production of IL-18 (p < 0.001). In conclusion, increased circulating ferritin and IL-18 are expressed in children infected by different serotypes of DENV associated with dengue severity.
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Affiliation(s)
- Nereida Valero
- Instituto de Investigaciones Clínicas "Dr. Américo Negrette", Facultad de Medicina, Universidad del Zulia, Apartado Postal 23, Maracaibo, Zulia, 4001-A, Venezuela. .,Universidad Estatal del Sur de Manabi, Jipijapa, Ecuador.
| | - Jesus Mosquera
- Instituto de Investigaciones Clínicas "Dr. Américo Negrette", Facultad de Medicina, Universidad del Zulia, Apartado Postal 23, Maracaibo, Zulia, 4001-A, Venezuela
| | - Mariana Torres
- Instituto de Investigaciones Clínicas "Dr. Américo Negrette", Facultad de Medicina, Universidad del Zulia, Apartado Postal 23, Maracaibo, Zulia, 4001-A, Venezuela
| | - Anyelo Duran
- Instituto de Investigaciones Clínicas "Dr. Américo Negrette", Facultad de Medicina, Universidad del Zulia, Apartado Postal 23, Maracaibo, Zulia, 4001-A, Venezuela
| | - Maria Velastegui
- Instituto de Investigaciones Clínicas "Dr. Américo Negrette", Facultad de Medicina, Universidad del Zulia, Apartado Postal 23, Maracaibo, Zulia, 4001-A, Venezuela
| | - Javier Reyes
- Universidad Estatal del Sur de Manabi, Jipijapa, Ecuador
| | - Miriam Fernandez
- Facultad Ciencias de la Salud, Universidad Técnica de Ambato, Ambato, Ecuador
| | - Gerardo Fernandez
- Facultad Ciencias de la Salud, Universidad Técnica de Ambato, Ambato, Ecuador
| | - Teresa Veliz
- Universidad Estatal del Sur de Manabi, Jipijapa, Ecuador
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50
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Burel JG, Pomaznoy M, Lindestam Arlehamn CS, Weiskopf D, da Silva Antunes R, Jung Y, Babor M, Schulten V, Seumois G, Greenbaum JA, Premawansa S, Premawansa G, Wijewickrama A, Vidanagama D, Gunasena B, Tippalagama R, deSilva AD, Gilman RH, Saito M, Taplitz R, Ley K, Vijayanand P, Sette A, Peters B. Circulating T cell-monocyte complexes are markers of immune perturbations. eLife 2019; 8:46045. [PMID: 31237234 PMCID: PMC6592685 DOI: 10.7554/elife.46045] [Citation(s) in RCA: 62] [Impact Index Per Article: 12.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/13/2019] [Accepted: 05/31/2019] [Indexed: 12/13/2022] Open
Abstract
Our results highlight for the first time that a significant proportion of cell doublets in flow cytometry, previously believed to be the result of technical artifacts and thus ignored in data acquisition and analysis, are the result of biological interaction between immune cells. In particular, we show that cell:cell doublets pairing a T cell and a monocyte can be directly isolated from human blood, and high resolution microscopy shows polarized distribution of LFA1/ICAM1 in many doublets, suggesting in vivo formation. Intriguingly, T cell-monocyte complex frequency and phenotype fluctuate with the onset of immune perturbations such as infection or immunization, reflecting expected polarization of immune responses. Overall these data suggest that cell doublets reflecting T cell-monocyte in vivo immune interactions can be detected in human blood and that the common approach in flow cytometry to avoid studying cell:cell complexes should be re-visited.
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Affiliation(s)
- Julie G Burel
- Division of Vaccine Discovery, La Jolla Institute for Immunology, La Jolla, United States
| | - Mikhail Pomaznoy
- Division of Vaccine Discovery, La Jolla Institute for Immunology, La Jolla, United States
| | | | - Daniela Weiskopf
- Division of Vaccine Discovery, La Jolla Institute for Immunology, La Jolla, United States
| | | | - Yunmin Jung
- Division of Inflammation Biology, La Jolla Institute for Immunology, La Jolla, United States
| | - Mariana Babor
- Division of Vaccine Discovery, La Jolla Institute for Immunology, La Jolla, United States
| | - Veronique Schulten
- Division of Vaccine Discovery, La Jolla Institute for Immunology, La Jolla, United States
| | - Gregory Seumois
- Division of Vaccine Discovery, La Jolla Institute for Immunology, La Jolla, United States
| | - Jason A Greenbaum
- Bioinformatics core, La Jolla Institute for Immunology, La Jolla, United States
| | - Sunil Premawansa
- Department of Zoology and Environment Sciences, Science Faculty, University of Colombo, Colombo, Sri Lanka
| | | | | | | | - Bandu Gunasena
- National Hospital for Respiratory Diseases, Welisara, Sri Lanka
| | | | - Aruna D deSilva
- Division of Vaccine Discovery, La Jolla Institute for Immunology, La Jolla, United States.,Genetech Research Institute, Colombo, Sri Lanka
| | - Robert H Gilman
- Johns Hopkins School of Public Health, Baltimore, United States.,Universidad Peruana Cayetano Heredia, Lima, Peru
| | - Mayuko Saito
- Department of Virology, Tohoku University Graduate School of Medicine, Sendai, Japan
| | - Randy Taplitz
- Division of Infectious Diseases and Global Public Health, University of California, San Diego, La Jolla, United States
| | - Klaus Ley
- Division of Inflammation Biology, La Jolla Institute for Immunology, La Jolla, United States.,Department of Bioengineering, University of California, San Diego, La Jolla, United States
| | - Pandurangan Vijayanand
- Division of Vaccine Discovery, La Jolla Institute for Immunology, La Jolla, United States.,Department of Medicine, University of California, San Diego, La Jolla, United States
| | - Alessandro Sette
- Division of Vaccine Discovery, La Jolla Institute for Immunology, La Jolla, United States.,Department of Medicine, University of California, San Diego, La Jolla, United States
| | - Bjoern Peters
- Division of Vaccine Discovery, La Jolla Institute for Immunology, La Jolla, United States.,Department of Medicine, University of California, San Diego, La Jolla, United States
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