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Fong SL, Wong KT, Tan CT. Dengue virus infection and neurological manifestations: an update. Brain 2024; 147:830-838. [PMID: 38079534 DOI: 10.1093/brain/awad415] [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: 06/12/2023] [Revised: 10/03/2023] [Accepted: 11/27/2023] [Indexed: 03/03/2024] Open
Abstract
Dengue virus is a flavivirus transmitted by the mosquitoes, Aedes aegypti and Aedes albopictus. Dengue infection by all four serotypes (DEN 1 to 4) is endemic globally in regions with tropical and subtropical climates, with an estimated 100-400 million infections annually. Among those hospitalized, the mortality is about 1%. Neurological involvement has been reported to be about 5%. The spectrum of neurological manifestations spans both the peripheral and central nervous systems. These manifestations could possibly be categorized into those directly related to dengue infection, i.e. acute and chronic encephalitis, indirect complications leading to dengue encephalopathy, and post-infectious syndrome due to immune-mediated reactions, and manifestations with uncertain mechanisms, such as acute transverse myelitis, acute cerebellitis and myositis. The rising trend in global dengue incidence calls for attention to a more explicit definition of each neurological manifestation for more accurate epidemiological data. The actual global burden of dengue infection with neurological manifestation is essential for future planning and execution of strategies, especially in the development of effective antivirals and vaccines against the dengue virus. In this article, we discuss the recent findings of different spectrums of neurological manifestations in dengue infection and provide an update on antiviral and vaccine development and their challenges.
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Affiliation(s)
- Si-Lei Fong
- Division of Neurology, Department of Medicine, Faculty of Medicine, University of Malaya, 50603 Federal Territory of Kuala Lumpur, Malaysia
| | - Kum-Thong Wong
- Department of Pathology, Faculty of Medicine, University of Malaya, 50603 Federal Territory of Kuala Lumpur, Malaysia
- Jeffrey Cheah School of Medicine and Health Sciences, Monash University Malaysia, 47500 Subang Jaya, Selangor, Malaysia
| | - Chong-Tin Tan
- Division of Neurology, Department of Medicine, Faculty of Medicine, University of Malaya, 50603 Federal Territory of Kuala Lumpur, Malaysia
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Wang H, Long MW, Zhang L, Pan Y, Chen JY, Feng K, Sun QM. Establishment of a non-lethal model of antibody-dependent enhancement of infection in A129 mice based on a non-mouse-adapted dengue virus strain. Zool Res 2023; 44:943-946. [PMID: 37721102 PMCID: PMC10559087 DOI: 10.24272/j.issn.2095-8137.2023.002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/18/2023] [Accepted: 08/25/2023] [Indexed: 09/19/2023] Open
Affiliation(s)
- Han Wang
- Institute of Medical Biology, Chinese Academy of Medical Sciences & Peking Union Medical College, Kunming, Yunnan 650118, China
- Yunnan Key Laboratory of Vaccine Research & Development on Severe Infectious Diseases, Kunming, Yunnan 650118, China
- Yunnan Key Laboratory of Vector-borne Infectious Disease, Kunming, Yunnan 650118, China
| | - Ming-Wang Long
- Department of Clinical Laboratory, Guizhou Provincial People's Hospital, Guiyang, Guizhou 550002, China
| | - Li Zhang
- Institute of Medical Biology, Chinese Academy of Medical Sciences & Peking Union Medical College, Kunming, Yunnan 650118, China
- Yunnan Key Laboratory of Vaccine Research & Development on Severe Infectious Diseases, Kunming, Yunnan 650118, China
- Yunnan Key Laboratory of Vector-borne Infectious Disease, Kunming, Yunnan 650118, China
| | - Yue Pan
- Institute of Medical Biology, Chinese Academy of Medical Sciences & Peking Union Medical College, Kunming, Yunnan 650118, China
- Yunnan Key Laboratory of Vaccine Research & Development on Severe Infectious Diseases, Kunming, Yunnan 650118, China
- Yunnan Key Laboratory of Vector-borne Infectious Disease, Kunming, Yunnan 650118, China
| | - Jun-Ying Chen
- Institute of Medical Biology, Chinese Academy of Medical Sciences & Peking Union Medical College, Kunming, Yunnan 650118, China
- Yunnan Key Laboratory of Vaccine Research & Development on Severe Infectious Diseases, Kunming, Yunnan 650118, China
- Yunnan Key Laboratory of Vector-borne Infectious Disease, Kunming, Yunnan 650118, China
| | - Kai Feng
- Institute of Medical Biology, Chinese Academy of Medical Sciences & Peking Union Medical College, Kunming, Yunnan 650118, China
- Yunnan Key Laboratory of Vaccine Research & Development on Severe Infectious Diseases, Kunming, Yunnan 650118, China
- Yunnan Key Laboratory of Vector-borne Infectious Disease, Kunming, Yunnan 650118, China
| | - Qiang-Ming Sun
- Institute of Medical Biology, Chinese Academy of Medical Sciences & Peking Union Medical College, Kunming, Yunnan 650118, China
- Yunnan Key Laboratory of Vaccine Research & Development on Severe Infectious Diseases, Kunming, Yunnan 650118, China
- Yunnan Key Laboratory of Vector-borne Infectious Disease, Kunming, Yunnan 650118, China. E-mail:
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AG129 Mice as a Comprehensive Model for the Experimental Assessment of Mosquito Vector Competence for Arboviruses. Pathogens 2022; 11:pathogens11080879. [PMID: 36015000 PMCID: PMC9412449 DOI: 10.3390/pathogens11080879] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2022] [Revised: 07/18/2022] [Accepted: 07/26/2022] [Indexed: 02/01/2023] Open
Abstract
Arboviruses (an acronym for “arthropod-borne virus”), such as dengue, yellow fever, Zika, and Chikungunya, are important human pathogens transmitted by mosquitoes. These viruses impose a growing burden on public health. Despite laboratory mice having been used for decades for understanding the basic biological phenomena of these viruses, it was only recently that researchers started to develop immunocompromised animals to study the pathogenesis of arboviruses and their transmission in a way that parallels natural cycles. Here, we show that the AG129 mouse (IFN α/β/γ R−/−) is a suitable and comprehensive vertebrate model for studying the mosquito vector competence for the major arboviruses of medical importance, namely the dengue virus (DENV), yellow fever virus (YFV), Zika virus (ZIKV), Mayaro virus (MAYV), and Chikungunya virus (CHIKV). We found that, after intraperitoneal injection, AG129 mice developed a transient viremia lasting several days, peaking on day two or three post infection, for all five arboviruses tested in this study. Furthermore, we found that the observed viremia was ample enough to infect Aedes aegypti during a blood meal from the AG129 infected mice. Finally, we demonstrated that infected mosquitoes could transmit each of the tested arboviruses back to naïve AG129 mice, completing a full transmission cycle of these vector-borne viruses. Together, our data show that A129 mice are a simple and comprehensive vertebrate model for studies of vector competence, as well as investigations into other aspects of mosquito biology that can affect virus–host interactions.
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Mammalian animal models for dengue virus infection: a recent overview. Arch Virol 2021; 167:31-44. [PMID: 34761286 PMCID: PMC8579898 DOI: 10.1007/s00705-021-05298-2] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2021] [Accepted: 09/26/2021] [Indexed: 02/07/2023]
Abstract
Dengue, a rapidly spreading mosquito-borne human viral disease caused by dengue virus (DENV), is a public health concern in tropical and subtropical areas due to its expanding geographical range. DENV can cause a wide spectrum of illnesses in humans, ranging from asymptomatic infection or mild dengue fever (DF) to life-threatening dengue hemorrhagic fever (DHF) and dengue shock syndrome (DSS). Dengue is caused by four DENV serotypes; however, dengue pathogenesis is complex and poorly understood. Establishing a useful animal model that can exhibit dengue-fever-like signs similar to those in humans is essential to improve our understanding of the host response and pathogenesis of DENV. Although several animal models, including mouse models, non-human primate models, and a recently reported tree shrew model, have been investigated for DENV infection, animal models with clinical signs that are similar to those of DF in humans have not yet been established. Although animal models are essential for understanding the pathogenesis of DENV infection and for drug and vaccine development, each animal model has its own strengths and limitations. Therefore, in this review, we provide a recent overview of animal models for DENV infection and pathogenesis, focusing on studies of the antibody-dependent enhancement (ADE) effect in animal models.
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Kotaki T, Kurosu T, Grinyo-Escuer A, Davidson E, Churrotin S, Okabayashi T, Puiprom O, Mulyatno KC, Sucipto TH, Doranz BJ, Ono KI, Soegijanto S, Kameoka M. An affinity-matured human monoclonal antibody targeting fusion loop epitope of dengue virus with in vivo therapeutic potency. Sci Rep 2021; 11:12987. [PMID: 34155267 PMCID: PMC8217507 DOI: 10.1038/s41598-021-92403-9] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/06/2020] [Accepted: 06/08/2021] [Indexed: 11/26/2022] Open
Abstract
Dengue virus (DENV), from the genus flavivirus of the family flaviviridae, causes serious health problems globally. Human monoclonal antibodies (HuMAb) can be used to elucidate the mechanisms of neutralization and antibody-dependent enhancement (ADE) of DENV infections, leading to the development of a vaccine or therapeutic antibodies. Here, we generated eight HuMAb clones from an Indonesian patient infected with DENV. These HuMAbs exhibited the typical characteristics of weak neutralizing antibodies including high cross-reactivity with other flaviviruses and targeting of the fusion loop epitope (FLE). However, one of the HuMAbs, 3G9, exhibited strong neutralization (NT50 < 0.1 μg/ml) and possessed a high somatic hyper-mutation rate of the variable region, indicating affinity-maturation. Administration of this antibody significantly prolonged the survival of interferon-α/β/γ receptor knockout C57BL/6 mice after a lethal DENV challenge. Additionally, Fc-modified 3G9 that had lost their in vitro ADE activity showed enhanced therapeutic potency in vivo and competed strongly with an ADE-prone antibody in vitro. Taken together, the affinity-matured FLE-targeting antibody 3G9 exhibits promising features for therapeutic application including a low NT50 value, potential for treatment of various kinds of mosquito-borne flavivirus infection, and suppression of ADE. This study demonstrates the therapeutic potency of affinity-matured FLE-targeting antibodies.
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Affiliation(s)
- Tomohiro Kotaki
- Department of Public Health, Kobe University Graduate School of Health Sciences, Kobe, Japan.
- Collaborative Research Center for Emerging and Re-Emerging Infectious Diseases, Institute of Tropical Disease, Airlangga University, Surabaya, Indonesia.
- Department of Virology, Research Institute for Microbial Diseases, Osaka University, Suita, Japan.
| | - Takeshi Kurosu
- Department of Virology I, National Institute of Infectious Diseases (NIID), Tokyo, Japan
| | | | | | - Siti Churrotin
- Collaborative Research Center for Emerging and Re-Emerging Infectious Diseases, Institute of Tropical Disease, Airlangga University, Surabaya, Indonesia
| | - Tamaki Okabayashi
- Mahidol-Osaka Center for Infectious Diseases (MOCID), Faculty of Tropical Medicine, Mahidol University, Bangkok, Thailand
| | - Orapim Puiprom
- Mahidol-Osaka Center for Infectious Diseases (MOCID), Faculty of Tropical Medicine, Mahidol University, Bangkok, Thailand
| | - Kris Cahyo Mulyatno
- Collaborative Research Center for Emerging and Re-Emerging Infectious Diseases, Institute of Tropical Disease, Airlangga University, Surabaya, Indonesia
| | - Teguh Hari Sucipto
- Collaborative Research Center for Emerging and Re-Emerging Infectious Diseases, Institute of Tropical Disease, Airlangga University, Surabaya, Indonesia
| | | | - Ken-Ichiro Ono
- Medical & Biological Laboratories Co., Ltd., Tokyo, Japan
| | - Soegeng Soegijanto
- Collaborative Research Center for Emerging and Re-Emerging Infectious Diseases, Institute of Tropical Disease, Airlangga University, Surabaya, Indonesia
| | - Masanori Kameoka
- Department of Public Health, Kobe University Graduate School of Health Sciences, Kobe, Japan.
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Zhang M, Sun J, Li M, Jin X. Modified mRNA-LNP Vaccines Confer Protection against Experimental DENV-2 Infection in Mice. MOLECULAR THERAPY-METHODS & CLINICAL DEVELOPMENT 2020; 18:702-712. [PMID: 32913878 PMCID: PMC7452130 DOI: 10.1016/j.omtm.2020.07.013] [Citation(s) in RCA: 30] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/26/2020] [Accepted: 07/16/2020] [Indexed: 12/12/2022]
Abstract
Dengue virus (DENV) infection is a major global public health concern, and there is no effective vaccine for it. In this study, we describe the design and characterization of three nucleotide-modified mRNA vaccines (prME-mRNA, E80-mRNA, and NS1-mRNA) for DENV-2. Our results showed that vaccination with E80-mRNA alone or a combination of E80-mRNA and NS1-mRNA can induce high levels of neutralizing antibodies and antigen-specific T cell responses; furthermore, these vaccines confer complete protection against DENV-2 challenge in immunocompetent mice. These data provide foundations for further development of a tetravalent DENV vaccine based on nucleotide-modified mRNA.
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Affiliation(s)
- Mengling Zhang
- Viral Disease and Vaccine Translational Research Unit, CAS Key Laboratory of Molecular Virology and Immunology, Institut Pasteur of Shanghai, Chinese Academy of Sciences, Shanghai, China.,University of Chinese Academy of Sciences, Beijing, China.,Shanghai Public Health Clinical Center, Fudan University, Shanghai, China
| | - Jin Sun
- Viral Disease and Vaccine Translational Research Unit, CAS Key Laboratory of Molecular Virology and Immunology, Institut Pasteur of Shanghai, Chinese Academy of Sciences, Shanghai, China
| | - Min Li
- Viral Disease and Vaccine Translational Research Unit, CAS Key Laboratory of Molecular Virology and Immunology, Institut Pasteur of Shanghai, Chinese Academy of Sciences, Shanghai, China
| | - Xia Jin
- Shanghai Public Health Clinical Center, Fudan University, Shanghai, China
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