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Bird IM, Cavener V, Surendran Nair M, Nissly RH, Chothe SK, Jacob J, Kuchipudi SV. Distinct Replication Kinetics, Cytopathogenicity, and Immune Gene Regulation in Human Microglia Cells Infected with Asian and African Lineages of Zika Virus. Microorganisms 2024; 12:1840. [PMID: 39338514 PMCID: PMC11433722 DOI: 10.3390/microorganisms12091840] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/14/2024] [Revised: 08/31/2024] [Accepted: 09/04/2024] [Indexed: 09/30/2024] Open
Abstract
Zika virus (ZIKV), a mosquito-borne flavivirus, is a significant global health concern due to its association with neurodevelopmental disorders such as congenital Zika syndrome (CZS). This study aimed to compare the replication kinetics, viral persistence, cytopathogenic effects, and immune gene expression in human microglia cells (CHME-3) infected with an Asian lineage ZIKV (PRVABC59, referred to as ZIKV-PRV) and an African lineage ZIKV (IBH30656, referred to as ZIKV-IBH). We found that ZIKV-PRV replicated more efficiently and persisted longer while inducing lower levels of cell death and inflammatory gene activation compared with ZIKV-IBH. These findings suggest that the enhanced replication and persistence of ZIKV-PRV, along with its ability to evade innate immune responses, may underlie its increased neuropathogenic potential, especially in the context of CZS. In contrast, ZIKV-IBH, with its stronger immune gene activation and higher cytopathogenicity, may lead to more acute infections with faster viral clearance, thereby reducing the likelihood of chronic central nervous system (CNS) infection. This study provides crucial insights into the molecular and cellular mechanisms driving the differential pathogenicity of ZIKV lineages and highlights the need for further research to pinpoint the viral factors responsible for these distinct clinical outcomes.
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Affiliation(s)
- Ian M. Bird
- Animal Diagnostic Laboratory, Department of Veterinary and Biomedical Sciences, Pennsylvania State University, University Park, PA 16802, USA; (I.M.B.); (V.C.); (M.S.N.); (R.H.N.)
| | - Victoria Cavener
- Animal Diagnostic Laboratory, Department of Veterinary and Biomedical Sciences, Pennsylvania State University, University Park, PA 16802, USA; (I.M.B.); (V.C.); (M.S.N.); (R.H.N.)
| | - Meera Surendran Nair
- Animal Diagnostic Laboratory, Department of Veterinary and Biomedical Sciences, Pennsylvania State University, University Park, PA 16802, USA; (I.M.B.); (V.C.); (M.S.N.); (R.H.N.)
| | - Ruth H. Nissly
- Animal Diagnostic Laboratory, Department of Veterinary and Biomedical Sciences, Pennsylvania State University, University Park, PA 16802, USA; (I.M.B.); (V.C.); (M.S.N.); (R.H.N.)
| | - Shubhada K. Chothe
- Department of Infectious Diseases and Microbiology, School of Public Health, University of Pittsburgh, Pittsburgh, PA 15213, USA;
| | - Joshy Jacob
- Department of Microbiology and Immunology, School of Medicine, Emory University, Atlanta, GA 30329, USA;
| | - Suresh V. Kuchipudi
- Department of Infectious Diseases and Microbiology, School of Public Health, University of Pittsburgh, Pittsburgh, PA 15213, USA;
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2
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Chen Y, Li Y, Lu L, Zou P. Zafirlukast, as a viral inactivator, potently inhibits infection of several flaviviruses, including Zika virus, dengue virus, and yellow fever virus. Antimicrob Agents Chemother 2024; 68:e0016824. [PMID: 38809067 PMCID: PMC11232407 DOI: 10.1128/aac.00168-24] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2024] [Accepted: 05/02/2024] [Indexed: 05/30/2024] Open
Abstract
Zika virus (ZIKV) is one of the mosquito-borne flaviviruses that exhibits a unique tropism to nervous systems and is associated with Guillain-Barre syndrome and congenital Zika syndrome (CZS). Dengue virus (DENV) and yellow fever virus (YFV), the other two mosquito-borne flaviviruses, have also been circulating for a long time and cause severe diseases, such as dengue hemorrhagic fever and yellow fever, respectively. However, there are no safe and effective antiviral drugs approved for the treatment of infections or coinfections of these flaviviruses. Here, we found that zafirlukast, a pregnancy-safe leukotriene receptor antagonist, exhibited potent antiviral activity against infections of ZIKV strains from different lineages in different cell lines, as well as against infections of DENV-2 and YFV 17D. Mechanistic studies demonstrated that zafirlukast directly and irreversibly inactivated these flaviviruses by disrupting the integrity of the virions, leading to the loss of viral infectivity, hence inhibiting the entry step of virus infection. Considering its efficacy against flaviviruses, its safety for pregnant women, and its neuroprotective effect, zafirlukast is a promising candidate for prophylaxis and treatment of infections or coinfections of ZIKV, DENV, and YFV, even in pregnant women.
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Affiliation(s)
- Yongkang Chen
- Shanghai Public Health Clinical Center, Key Laboratory of Medical Molecular Virology (MOE/NHC/CAMS), Shanghai Institute of Infectious Disease and Biosecurity, School of Basic Medical Sciences, Fudan University, Shanghai, China
| | - Yuan Li
- Shanghai Public Health Clinical Center, Key Laboratory of Medical Molecular Virology (MOE/NHC/CAMS), Shanghai Institute of Infectious Disease and Biosecurity, School of Basic Medical Sciences, Fudan University, Shanghai, China
| | - Lu Lu
- Shanghai Public Health Clinical Center, Key Laboratory of Medical Molecular Virology (MOE/NHC/CAMS), Shanghai Institute of Infectious Disease and Biosecurity, School of Basic Medical Sciences, Fudan University, Shanghai, China
| | - Peng Zou
- Shanghai Public Health Clinical Center, Key Laboratory of Medical Molecular Virology (MOE/NHC/CAMS), Shanghai Institute of Infectious Disease and Biosecurity, School of Basic Medical Sciences, Fudan University, Shanghai, China
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3
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Henrio Marcellin DF, Huang J. Exploring Zika Virus Impact on Endothelial Permeability: Insights into Transcytosis Mechanisms and Vascular Leakage. Viruses 2024; 16:629. [PMID: 38675970 PMCID: PMC11054372 DOI: 10.3390/v16040629] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/05/2024] [Revised: 04/03/2024] [Accepted: 04/13/2024] [Indexed: 04/28/2024] Open
Abstract
Treating brain disease is challenging, and the Zika virus (ZIKV) presents a unique obstacle due to its neuroinvasive nature. In this review, we discuss the immunopathogenesis of ZIKV and explore how the virus interacts with the body's immune responses and the role of the protein Mfsd2a in maintaining the integrity of the blood-brain barrier (BBB) during ZIKV neuroinvasion. ZIKV has emerged as a significant public health concern due to its association with severe neurological problems, including microcephaly and Gillain-Barré Syndrome (GBS). Understanding its journey through the brain-particularly its interaction with the placenta and BBB-is crucial. The placenta, which is designed to protect the fetus, becomes a pathway for ZIKV when infected. The BBB is composed of brain endothelial cells, acts as a second barrier, and protects the fetal brain. However, ZIKV finds ways to disrupt these barriers, leading to potential damage. This study explores the mechanisms by which ZIKV enters the CNS and highlights the role of transcytosis, which allows the virus to move through the cells without significantly disrupting the BBB. Although the exact mechanisms of transcytosis are unclear, research suggests that ZIKV may utilize this pathway.
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Affiliation(s)
| | - Jufang Huang
- Department of Anatomy and Neurobiology, School of Basic Medical Sciences, Central South University, Changsha 410013, China;
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4
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Koenig MR, Vazquez J, Leyva Jaimes FB, Mitzey AM, Stanic AK, Golos TG. Decidual leukocytes respond to African lineage Zika virus infection with mild anti-inflammatory changes during acute infection in rhesus macaques. Front Immunol 2024; 15:1363169. [PMID: 38515747 PMCID: PMC10954895 DOI: 10.3389/fimmu.2024.1363169] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/29/2023] [Accepted: 02/23/2024] [Indexed: 03/23/2024] Open
Abstract
Zika virus (ZIKV) can be vertically transmitted during pregnancy resulting in a range of adverse pregnancy outcomes. The decidua is commonly found to be infected by ZIKV, yet the acute immune response to infection remains understudied in vivo. We hypothesized that in vivo African-lineage ZIKV infection induces a pro-inflammatory response in the decidua. To test this hypothesis, we evaluated the decidua in pregnant rhesus macaques within the first two weeks following infection with an African-lineage ZIKV and compared our findings to gestationally aged-matched controls. Decidual leukocytes were phenotypically evaluated using spectral flow cytometry, and cytokines and chemokines were measured in tissue homogenates from the decidua, placenta, and fetal membranes. The results of this study did not support our hypothesis. Although ZIKV RNA was detected in the decidual tissue samples from all ZIKV infected dams, phenotypic changes in decidual leukocytes and differences in cytokine profiles suggest that the decidua undergoes mild anti-inflammatory changes in response to that infection. Our findings emphasize the immunological state of the gravid uterus as a relatively immune privileged site that prioritizes tolerance of the fetus over mounting a pro-inflammatory response to clear infection.
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Affiliation(s)
- Michelle R. Koenig
- Department of Comparative Biosciences, University of Wisconsin-Madison, Madison, WI, United States
| | - Jessica Vazquez
- Department of Obstetrics and Gynecology, University of Wisconsin-Madison, Madison, WI, United States
| | - Fernanda B. Leyva Jaimes
- Department of Obstetrics and Gynecology, University of Wisconsin-Madison, Madison, WI, United States
| | - Ann M. Mitzey
- Department of Comparative Biosciences, University of Wisconsin-Madison, Madison, WI, United States
| | - Aleksandar K. Stanic
- Department of Obstetrics and Gynecology, University of Wisconsin-Madison, Madison, WI, United States
| | - Thaddeus G. Golos
- Department of Comparative Biosciences, University of Wisconsin-Madison, Madison, WI, United States
- Department of Obstetrics and Gynecology, University of Wisconsin-Madison, Madison, WI, United States
- Wisconsin National Primate Research Center, University of Wisconsin-Madison, Madison, WI, United States
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Ferreira JCCG, Christoff RR, Rabello T, Ferreira RO, Batista C, Mourão PJP, Rossi ÁD, Higa LM, Bellio M, Tanuri A, Garcez PP. Postnatal Zika virus infection leads to morphological and cellular alterations within the neurogenic niche. Dis Model Mech 2024; 17:dmm050375. [PMID: 38415826 PMCID: PMC10924234 DOI: 10.1242/dmm.050375] [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: 06/29/2023] [Accepted: 01/22/2024] [Indexed: 02/29/2024] Open
Abstract
The Zika virus received significant attention in 2016, following a declaration by the World Health Organization of an epidemic in the Americas, in which infections were associated with microcephaly. Indeed, prenatal Zika virus infection is detrimental to fetal neural stem cells and can cause premature cell loss and neurodevelopmental abnormalities in newborn infants, collectively described as congenital Zika syndrome. Contrastingly, much less is known about how neonatal infection affects the development of the newborn nervous system. Here, we investigated the development of the dentate gyrus of wild-type mice following intracranial injection of the virus at birth (postnatal day 0). Through this approach, we found that Zika virus infection affected the development of neurogenic regions within the dentate gyrus and caused reactive gliosis, cell death and a decrease in cell proliferation. Such infection also altered volumetric features of the postnatal dentate gyrus. Thus, we found that Zika virus exposure to newborn mice is detrimental to the subgranular zone of the dentate gyrus. These observations offer insight into the cellular mechanisms that underlie the neurological features of congenital Zika syndrome in children.
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Affiliation(s)
- Jéssica C. C. G. Ferreira
- Institute of Biomedical Sciences, Federal University of Rio de Janeiro, Rio de Janeiro, RJ 21941-590, Brazil
| | - Raissa R. Christoff
- Institute of Biomedical Sciences, Federal University of Rio de Janeiro, Rio de Janeiro, RJ 21941-590, Brazil
| | - Tailene Rabello
- Institute of Biomedical Sciences, Federal University of Rio de Janeiro, Rio de Janeiro, RJ 21941-590, Brazil
| | - Raiane O. Ferreira
- Institute of Biomedical Sciences, Federal University of Rio de Janeiro, Rio de Janeiro, RJ 21941-590, Brazil
| | - Carolina Batista
- Institute of Biomedical Sciences, Federal University of Rio de Janeiro, Rio de Janeiro, RJ 21941-590, Brazil
| | - Pedro Junior Pinheiro Mourão
- Department of Genetics, Institute of Biology, Federal University of Rio de Janeiro, Rio de Janeiro, RJ 21941-902, Brazil
| | - Átila D. Rossi
- Department of Genetics, Institute of Biology, Federal University of Rio de Janeiro, Rio de Janeiro, RJ 21941-902, Brazil
| | - Luiza M. Higa
- Department of Genetics, Institute of Biology, Federal University of Rio de Janeiro, Rio de Janeiro, RJ 21941-902, Brazil
| | - Maria Bellio
- Microbiology Institute Paulo de Góes, Federal University of Rio de Janeiro, Rio de Janeiro, RJ 21941-902, Brazil
| | - Amilcar Tanuri
- Department of Genetics, Institute of Biology, Federal University of Rio de Janeiro, Rio de Janeiro, RJ 21941-902, Brazil
| | - Patricia P. Garcez
- Institute of Biomedical Sciences, Federal University of Rio de Janeiro, Rio de Janeiro, RJ 21941-590, Brazil
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6
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Phengchat R, Pakparnich P, Pethrak C, Pengon J, Sartsanga C, Chotiwan N, Uppakara K, Suksirisawat K, Lambrechts L, Jupatanakul N. Differential intra-host infection kinetics in Aedes aegypti underlie superior transmissibility of African relative to Asian Zika virus. mSphere 2023; 8:e0054523. [PMID: 37943061 PMCID: PMC10732021 DOI: 10.1128/msphere.00545-23] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2023] [Accepted: 10/04/2023] [Indexed: 11/10/2023] Open
Abstract
IMPORTANCE The recent Zika virus (ZIKV) epidemic in the Americas highlights its potential public health threat. While the Asian ZIKV lineage has been identified as the main cause of the epidemic, the African lineage, which has been primarily confined to Africa, has shown evidence of higher transmissibility in Aedes mosquitoes. To gain a deeper understanding of this differential transmissibility, our study employed a combination of tissue-level infection kinetics and single-cell-level infection kinetics using in situ immunofluorescent staining. We discovered that the African ZIKV lineage propagates more rapidly and spreads more efficiently within mosquito cells and tissues than its Asian counterpart. This information lays the groundwork for future exploration of the viral and host determinants driving these variations in propagation efficiency.
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Affiliation(s)
- Rinyaporn Phengchat
- National Center for Genetic Engineering and Biotechnology (BIOTEC), Khlong Luang, Pathum Thani, Thailand
| | - Phonchanan Pakparnich
- National Center for Genetic Engineering and Biotechnology (BIOTEC), Khlong Luang, Pathum Thani, Thailand
| | - Chatpong Pethrak
- National Center for Genetic Engineering and Biotechnology (BIOTEC), Khlong Luang, Pathum Thani, Thailand
| | - Jutharat Pengon
- National Center for Genetic Engineering and Biotechnology (BIOTEC), Khlong Luang, Pathum Thani, Thailand
| | - Channarong Sartsanga
- National Center for Genetic Engineering and Biotechnology (BIOTEC), Khlong Luang, Pathum Thani, Thailand
| | - Nunya Chotiwan
- Chakri Naruebodindra Medical Institute, Faculty of Medicine Ramathibodi Hospital, Mahidol University, Samut Prakan, Thailand
| | - Kwanchanok Uppakara
- Chakri Naruebodindra Medical Institute, Faculty of Medicine Ramathibodi Hospital, Mahidol University, Samut Prakan, Thailand
| | - Kittitat Suksirisawat
- National Center for Genetic Engineering and Biotechnology (BIOTEC), Khlong Luang, Pathum Thani, Thailand
| | - Louis Lambrechts
- Institut Pasteur, Université Paris Cité, CNRS UMR2000, Insect-Virus Interactions Unit, Paris, France
| | - Natapong Jupatanakul
- National Center for Genetic Engineering and Biotechnology (BIOTEC), Khlong Luang, Pathum Thani, Thailand
- Institut Pasteur, Université Paris Cité, CNRS UMR2000, Insect-Virus Interactions Unit, Paris, France
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7
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Camacho-Concha N, Santana-Román ME, Sánchez NC, Velasco I, Pando-Robles V, Pedraza-Alva G, Pérez-Martínez L. Insights into Zika Virus Pathogenesis and Potential Therapeutic Strategies. Biomedicines 2023; 11:3316. [PMID: 38137537 PMCID: PMC10741857 DOI: 10.3390/biomedicines11123316] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/01/2023] [Revised: 11/10/2023] [Accepted: 11/11/2023] [Indexed: 12/24/2023] Open
Abstract
Zika virus (ZIKV) has emerged as a significant public health threat, reaching pandemic levels in 2016. Human infection with ZIKV can manifest as either asymptomatic or as an acute illness characterized by symptoms such as fever and headache. Moreover, it has been associated with severe neurological complications in adults, including Guillain-Barre syndrome, and devastating fetal abnormalities, like microcephaly. The primary mode of transmission is through Aedes spp. mosquitoes, and with half of the world's population residing in regions where Aedes aegypti, the principal vector, thrives, the reemergence of ZIKV remains a concern. This comprehensive review provides insights into the pathogenesis of ZIKV and highlights the key cellular pathways activated upon ZIKV infection. Additionally, we explore the potential of utilizing microRNAs (miRNAs) and phytocompounds as promising strategies to combat ZIKV infection.
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Affiliation(s)
- Nohemi Camacho-Concha
- Laboratorio de Neuroinmunobiología, Departamento de Medicina Molecular y Bioprocesos, Instituto de Biotecnología, Universidad Nacional Autónoma de México, Cuernavaca 62210, Morelos, Mexico; (N.C.-C.); (M.E.S.-R.); (N.C.S.); (G.P.-A.)
| | - María E. Santana-Román
- Laboratorio de Neuroinmunobiología, Departamento de Medicina Molecular y Bioprocesos, Instituto de Biotecnología, Universidad Nacional Autónoma de México, Cuernavaca 62210, Morelos, Mexico; (N.C.-C.); (M.E.S.-R.); (N.C.S.); (G.P.-A.)
| | - Nilda C. Sánchez
- Laboratorio de Neuroinmunobiología, Departamento de Medicina Molecular y Bioprocesos, Instituto de Biotecnología, Universidad Nacional Autónoma de México, Cuernavaca 62210, Morelos, Mexico; (N.C.-C.); (M.E.S.-R.); (N.C.S.); (G.P.-A.)
| | - Iván Velasco
- Instituto de Fisiología Celular-Neurociencias, Universidad Nacional Autónoma de México, Ciudad de México 04510, Mexico;
- Laboratorio de Reprogramación Celular, Instituto Nacional de Neurología y Neurocirugía “Manuel Velasco Suárez”, Ciudad de México 14269, Mexico
| | - Victoria Pando-Robles
- Centro de Investigación Sobre Enfermedades Infecciosas, Instituto Nacional de Salud Pública, Cuernavaca 62100, Morelos, Mexico;
| | - Gustavo Pedraza-Alva
- Laboratorio de Neuroinmunobiología, Departamento de Medicina Molecular y Bioprocesos, Instituto de Biotecnología, Universidad Nacional Autónoma de México, Cuernavaca 62210, Morelos, Mexico; (N.C.-C.); (M.E.S.-R.); (N.C.S.); (G.P.-A.)
| | - Leonor Pérez-Martínez
- Laboratorio de Neuroinmunobiología, Departamento de Medicina Molecular y Bioprocesos, Instituto de Biotecnología, Universidad Nacional Autónoma de México, Cuernavaca 62210, Morelos, Mexico; (N.C.-C.); (M.E.S.-R.); (N.C.S.); (G.P.-A.)
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Song GY, Huang XY, He MJ, Zhou HY, Li RT, Tian Y, Wang Y, Cheng ML, Chen X, Zhang RR, Zhou C, Zhou J, Fang XY, Li XF, Qin CF. A single amino acid substitution in the capsid protein of Zika virus contributes to a neurovirulent phenotype. Nat Commun 2023; 14:6832. [PMID: 37884553 PMCID: PMC10603150 DOI: 10.1038/s41467-023-42676-7] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/20/2023] [Accepted: 10/17/2023] [Indexed: 10/28/2023] Open
Abstract
Increasing evidence shows the African lineage Zika virus (ZIKV) displays a more severe neurovirulence compared to the Asian ZIKV. However, viral determinants and the underlying mechanisms of enhanced virulence phenotype remain largely unknown. Herein, we identify a panel of amino acid substitutions that are unique to the African lineage of ZIKVs compared to the Asian lineage by phylogenetic analysis and sequence alignment. We then utilize reverse genetic technology to generate recombinant ZIKVs incorporating these lineage-specific substitutions based on an infectious cDNA clone of Asian ZIKV. Through in vitro characterization, we discover a mutant virus with a lysine to arginine substitution at position 101 of capsid (C) protein (termed K101R) displays a larger plaque phenotype, and replicates more efficiently in various cell lines. Moreover, K101R replicates more efficiently in mouse brains and induces stronger inflammatory responses than the wild type (WT) virus in neonatal mice. Finally, a combined analysis reveals the K101R substitution promotes the production of mature C protein without affecting its binding to viral RNA. Our study identifies the role of K101R substitution in the C protein in contributing to the enhanced virulent phenotype of the African lineage ZIKV, which expands our understanding of the complexity of ZIKV proteins.
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Affiliation(s)
- Guang-Yuan Song
- School of Basic Medical Sciences, Anhui Medical University, 230032, Hefei, Anhui, China
- Department of Virology, State Key Laboratory of Pathogen and Biosecurity, Beijing Institute of Microbiology and Epidemiology, Academy of Military Medical Sciences, 100071, Beijing, China
| | - Xing-Yao Huang
- Department of Virology, State Key Laboratory of Pathogen and Biosecurity, Beijing Institute of Microbiology and Epidemiology, Academy of Military Medical Sciences, 100071, Beijing, China
| | - Meng-Jiao He
- Department of Virology, State Key Laboratory of Pathogen and Biosecurity, Beijing Institute of Microbiology and Epidemiology, Academy of Military Medical Sciences, 100071, Beijing, China
| | - Hang-Yu Zhou
- Suzhou Institute of System Medicine, Chinese Academy of Medical Sciences & Peking Union Medical College, 215123, Suzhou, Jiangsu, China
| | - Rui-Ting Li
- Department of Virology, State Key Laboratory of Pathogen and Biosecurity, Beijing Institute of Microbiology and Epidemiology, Academy of Military Medical Sciences, 100071, Beijing, China
| | - Ying Tian
- School of Basic Medical Sciences, Anhui Medical University, 230032, Hefei, Anhui, China
- Department of Virology, State Key Laboratory of Pathogen and Biosecurity, Beijing Institute of Microbiology and Epidemiology, Academy of Military Medical Sciences, 100071, Beijing, China
| | - Yan Wang
- Beijing Advanced Innovation Center for Structural Biology, School of Life Sciences, Tsinghua University, 100084, Beijing, China
| | - Meng-Li Cheng
- Department of Virology, State Key Laboratory of Pathogen and Biosecurity, Beijing Institute of Microbiology and Epidemiology, Academy of Military Medical Sciences, 100071, Beijing, China
| | - Xiang Chen
- Department of Virology, State Key Laboratory of Pathogen and Biosecurity, Beijing Institute of Microbiology and Epidemiology, Academy of Military Medical Sciences, 100071, Beijing, China
| | - Rong-Rong Zhang
- Department of Virology, State Key Laboratory of Pathogen and Biosecurity, Beijing Institute of Microbiology and Epidemiology, Academy of Military Medical Sciences, 100071, Beijing, China
| | - Chao Zhou
- Department of Virology, State Key Laboratory of Pathogen and Biosecurity, Beijing Institute of Microbiology and Epidemiology, Academy of Military Medical Sciences, 100071, Beijing, China
| | - Jia Zhou
- Department of Virology, State Key Laboratory of Pathogen and Biosecurity, Beijing Institute of Microbiology and Epidemiology, Academy of Military Medical Sciences, 100071, Beijing, China
| | - Xian-Yang Fang
- Key Laboratory of RNA Biology, Institute of Biophysics, Chinese Academy of Sciences, 100101, Beijing, China
| | - Xiao-Feng Li
- Department of Virology, State Key Laboratory of Pathogen and Biosecurity, Beijing Institute of Microbiology and Epidemiology, Academy of Military Medical Sciences, 100071, Beijing, China.
| | - Cheng-Feng Qin
- School of Basic Medical Sciences, Anhui Medical University, 230032, Hefei, Anhui, China.
- Department of Virology, State Key Laboratory of Pathogen and Biosecurity, Beijing Institute of Microbiology and Epidemiology, Academy of Military Medical Sciences, 100071, Beijing, China.
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9
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Molina BF, Marques NN, Bittar C, Batista MN, Rahal P. African ZIKV lineage fails to sustain infectivity in an in vitro mimetic urban cycle. Braz J Microbiol 2023; 54:1421-1431. [PMID: 37458982 PMCID: PMC10484821 DOI: 10.1007/s42770-023-01053-8] [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: 09/20/2022] [Accepted: 06/27/2023] [Indexed: 09/10/2023] Open
Abstract
Zika virus (ZIKV) is an arbovirus maintained in nature in two distinct cycles of transmission: urban and sylvatic. Each cycle includes specific vertebrate and invertebrate hosts, and through alternate infections, a conserved consensus sequence is maintained that might vary depending on the cycle. The current study aimed to investigate the ability of ZIKVAF and ZIKVBR to maintain an infectious cycle by alternating passages in cells mimicking the urban (UC) and semi-sylvatic (SC) cycles. The complete genome of the original inoculum and the last passages for each cycle were sequenced by Sanger. Ten passages were performed, as planned, for ZIKVBR UC, ZIKVAF SC, and ZIKVBR SC. ZIKVBR SC showed significant variation in viral titers along the passages, suggesting that the virus is not well adapted to the non-human primate host. ZIKVAF passage in UC was abrogated in the third passage, showing the inability of the African lineage to sustain cycles in human cells, suggesting a low capacity to establish an urban cycle. Several mutations were found in both strains along the passages, but not occurring at equivalent positions. Further studies are needed to elucidate whether any of these specific mutations affect viral fitness. ZIKV strains behave differently in artificial transmission cycles in vitro: Brazilian ZIKV was able to establish urban and semi-sylvatic cycles in vitro. African ZIKV proved unable to cycle among human and mosquito cells and is compatible only with the semi-sylvatic cycle. The main mutations arose in the NS2A region after artificial transmission cycles for both ZIKV strains but not at equivalent positions.
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Affiliation(s)
- Bárbara Floriano Molina
- Laboratório de Estudos Genômicos, Departamento de Biologia, Instituto de Biociências Letras E Ciências Exatas (IBILCE), Universidade Estadual Paulista (Unesp), São José Do Rio Preto, Brazil
| | - Nayara Nathiê Marques
- Laboratório de Estudos Genômicos, Departamento de Biologia, Instituto de Biociências Letras E Ciências Exatas (IBILCE), Universidade Estadual Paulista (Unesp), São José Do Rio Preto, Brazil
| | - Cíntia Bittar
- Laboratório de Estudos Genômicos, Departamento de Biologia, Instituto de Biociências Letras E Ciências Exatas (IBILCE), Universidade Estadual Paulista (Unesp), São José Do Rio Preto, Brazil
- The Rockefeller University, 1230 York Ave, Manhattan, New York, NY 10065 USA
| | | | - Paula Rahal
- Laboratório de Estudos Genômicos, Departamento de Biologia, Instituto de Biociências Letras E Ciências Exatas (IBILCE), Universidade Estadual Paulista (Unesp), São José Do Rio Preto, Brazil
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10
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Pozzetto B, Grard G, Durand G, Paty MC, Gallian P, Lucas-Samuel S, Diéterlé S, Fromage M, Durand M, Lepelletier D, Chidiac C, Hoen B, Nicolas de Lamballerie X. Arboviral Risk Associated with Solid Organ and Hematopoietic Stem Cell Grafts: The Prophylactic Answers Proposed by the French High Council of Public Health in a National Context. Viruses 2023; 15:1783. [PMID: 37766192 PMCID: PMC10536626 DOI: 10.3390/v15091783] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2023] [Revised: 08/18/2023] [Accepted: 08/20/2023] [Indexed: 09/29/2023] Open
Abstract
Diseases caused by arboviruses are on the increase worldwide. In addition to arthropod bites, most arboviruses can be transmitted via accessory routes. Products of human origin (labile blood products, solid organs, hematopoietic stem cells, tissues) present a risk of contamination for the recipient if the donation is made when the donor is viremic. Mainland France and its overseas territories are exposed to a complex array of imported and endemic arboviruses, which differ according to their respective location. This narrative review describes the risks of acquiring certain arboviral diseases from human products, mainly solid organs and hematopoietic stem cells, in the French context. The main risks considered in this study are infections by West Nile virus, dengue virus, and tick-borne encephalitis virus. The ancillary risks represented by Usutu virus infection, chikungunya, and Zika are also addressed more briefly. For each disease, the guidelines issued by the French High Council of Public Health, which is responsible for mitigating the risks associated with products of human origin and for supporting public health policy decisions, are briefly outlined. This review highlights the need for a "One Health" approach and to standardize recommendations at the international level in areas with the same viral epidemiology.
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Affiliation(s)
- Bruno Pozzetto
- Haut Conseil de la Santé Publique, Ministère de la Santé et de la Prévention, 75007 Paris, France; (M.D.); (D.L.); (C.C.); (B.H.)
- GIMAP Team, CIRI-Centre International de Recherche en Infectiologie, Université Jean Monnet de Saint-Etienne, Université Claude Bernard Lyon 1, Inserm, U1111, CNRS, 42023 Saint-Etienne, France
- Department of Infectious Agents and Hygiene, University Hospital of Saint-Etienne, 42055 Saint-Etienne, France
| | - Gilda Grard
- National Reference Center for Arboviruses, National Institute of Health and Medical Research (Inserm), 13005 Marseille, France; (G.G.); (G.D.); (X.N.d.L.)
- French Armed Forces Biomedical Research Institute (IRBA), Valérie-André, 91220 Brétigny-sur-Orge, France
| | - Guillaume Durand
- National Reference Center for Arboviruses, National Institute of Health and Medical Research (Inserm), 13005 Marseille, France; (G.G.); (G.D.); (X.N.d.L.)
- French Armed Forces Biomedical Research Institute (IRBA), Valérie-André, 91220 Brétigny-sur-Orge, France
| | - Marie-Claire Paty
- Santé Publique France, The French Public Health Agency, 94410 Saint-Maurice, France;
| | - Pierre Gallian
- Etablissement Français du Sang, 93218 Saint-Denis, France;
- Unité des Virus Émergents (UVE: Aix-Marseille Univ-IRD 190-Inserm 1207), 13385 Marseille, France
| | | | | | - Muriel Fromage
- Agence Nationale de Sécurité du Médicament et des Produits de Santé (ANSM), 93200 Saint-Denis, France;
| | - Marc Durand
- Haut Conseil de la Santé Publique, Ministère de la Santé et de la Prévention, 75007 Paris, France; (M.D.); (D.L.); (C.C.); (B.H.)
| | - Didier Lepelletier
- Haut Conseil de la Santé Publique, Ministère de la Santé et de la Prévention, 75007 Paris, France; (M.D.); (D.L.); (C.C.); (B.H.)
| | - Christian Chidiac
- Haut Conseil de la Santé Publique, Ministère de la Santé et de la Prévention, 75007 Paris, France; (M.D.); (D.L.); (C.C.); (B.H.)
- Department of Infectious and Tropical Diseases, University Hospital of Lyon, 69002 Lyon, France
| | - Bruno Hoen
- Haut Conseil de la Santé Publique, Ministère de la Santé et de la Prévention, 75007 Paris, France; (M.D.); (D.L.); (C.C.); (B.H.)
- Department of Infectious Diseases, University Hospital of Nancy, 54500 Vandoeuvre-lès-Nancy, France
| | - Xavier Nicolas de Lamballerie
- National Reference Center for Arboviruses, National Institute of Health and Medical Research (Inserm), 13005 Marseille, France; (G.G.); (G.D.); (X.N.d.L.)
- French Armed Forces Biomedical Research Institute (IRBA), Valérie-André, 91220 Brétigny-sur-Orge, France
- Unité des Virus Émergents (UVE: Aix-Marseille Univ-IRD 190-Inserm 1207), 13385 Marseille, France
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11
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da Silva Sanches PR, Sanchez-Velazquez R, Batista MN, Carneiro BM, Bittar C, De Lorenzo G, Rahal P, Patel AH, Cilli EM. Antiviral Evaluation of New Synthetic Bioconjugates Based on GA-Hecate: A New Class of Antivirals Targeting Different Steps of Zika Virus Replication. Molecules 2023; 28:4884. [PMID: 37446546 PMCID: PMC10343505 DOI: 10.3390/molecules28134884] [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: 05/18/2023] [Revised: 06/05/2023] [Accepted: 06/15/2023] [Indexed: 07/15/2023] Open
Abstract
Re-emerging arboviruses represent a serious health problem due to their rapid vector-mediated spread, mainly in urban tropical areas. The 2013-2015 Zika virus (ZIKV) outbreak in South and Central America has been associated with cases of microcephaly in newborns and Guillain-Barret syndrome. We previously showed that the conjugate gallic acid-Hecate (GA-FALALKALKKALKKLKKALKKAL-CONH2)-is an efficient inhibitor of the hepatitis C virus. Here, we show that the Hecate peptide is degraded in human blood serum into three major metabolites. These metabolites conjugated with gallic acid were synthesized and their effect on ZIKV replication in cultured cells was evaluated. The GA-metabolite 5 (GA-FALALKALKKALKKL-COOH) was the most efficient in inhibiting two ZIKV strains of African and Asian lineage at the stage of both virus entry (virucidal and protective) and replication (post-entry). We also demonstrate that GA-metabolite 5 does not affect cell growth after 7 days of continuous treatment. Thus, this study identifies a new synthetic antiviral compound targeting different steps of ZIKV replication in vitro and with the potential for broad reactivity against other flaviviruses. Our work highlights a promising strategy for the development of new antivirals based on peptide metabolism and bioconjugation.
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Affiliation(s)
- Paulo Ricardo da Silva Sanches
- School of Pharmaceutical Science, São Paulo State University, Araraquara 14800-903, SP, Brazil
- MRC—University of Glasgow Centre for Virus Research, University of Glasgow, Glasgow G12 8QQ, UK; (R.S.-V.); (G.D.L.); (A.H.P.)
- Institute of Chemistry, São Paulo State University, Araraquara 14800-900, SP, Brazil
| | - Ricardo Sanchez-Velazquez
- MRC—University of Glasgow Centre for Virus Research, University of Glasgow, Glasgow G12 8QQ, UK; (R.S.-V.); (G.D.L.); (A.H.P.)
| | - Mariana Nogueira Batista
- Laboratory of Virology and Infectious Diseases, The Rockefeller University, New York, NY 10065, USA; (M.N.B.)
| | - Bruno Moreira Carneiro
- School of Health Science, Federal University of Rondonópolis, Rondonópolis 78736-900, MT, Brazil;
| | - Cintia Bittar
- School of Health Science, Federal University of Rondonópolis, Rondonópolis 78736-900, MT, Brazil;
| | - Giuditta De Lorenzo
- MRC—University of Glasgow Centre for Virus Research, University of Glasgow, Glasgow G12 8QQ, UK; (R.S.-V.); (G.D.L.); (A.H.P.)
| | - Paula Rahal
- Institute of Bioscience, Humanities and Exact Science, São Paulo State University, São José do Rio Preto 15054-000, SP, Brazil;
| | - Arvind H. Patel
- MRC—University of Glasgow Centre for Virus Research, University of Glasgow, Glasgow G12 8QQ, UK; (R.S.-V.); (G.D.L.); (A.H.P.)
| | - Eduardo Maffud Cilli
- Institute of Chemistry, São Paulo State University, Araraquara 14800-900, SP, Brazil
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12
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Lu AY, Gustin A, Newhouse D, Gale M. Viral Protein Accumulation of Zika Virus Variants Links with Regulation of Innate Immunity for Differential Control of Viral Replication, Spread, and Response to Interferon. J Virol 2023; 97:e0198222. [PMID: 37162358 PMCID: PMC10231147 DOI: 10.1128/jvi.01982-22] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2023] [Accepted: 04/13/2023] [Indexed: 05/11/2023] Open
Abstract
Asian lineage Zika virus (ZIKV) strains emerged globally, causing outbreaks linked with critical clinical disease outcomes unless the virus is effectively restricted by host immunity. We have previously shown that retinoic acid-inducible gene-I (RIG-I) senses ZIKV to trigger innate immunity to direct interferon (IFN) production and antiviral responses that can control ZIKV infection. However, ZIKV proteins have been demonstrated to antagonize IFN. Here, we conducted in vitro analyses to assess how divergent prototypic ZIKV variants differ in virologic properties, innate immune regulation, and infection outcome. We comparatively assessed African lineage ZIKV/Dakar/1984/ArD41519 (ZIKV/Dakar) and Asian lineage ZIKV/Malaysia/1966/P6740 (ZIKV/Malaysia) in a human epithelial cell infection model. De novo viral sequence determination identified amino acid changes within the ZIKV/Dakar genome compared to ZIKV/Malaysia. Viral growth analyses revealed that ZIKV/Malaysia accumulated viral proteins and genome copies earlier and to higher levels than ZIKV/Dakar. Both ZIKV strains activated RIG-I/IFN regulatory factor (IRF3) and NF-κB pathways to induce inflammatory cytokine expression and types I and III IFNs. However, ZIKV/Malaysia, but not ZIKV/Dakar, potently blocked downstream IFN signaling. Remarkably, ZIKV/Dakar protein accumulation and genome replication were rescued in RIG-I knockout (KO) cells late in acute infection, resulting in ZIKV/Dakar-mediated blockade of IFN signaling. We found that RIG-I signaling specifically restricts viral protein accumulation late in acute infection where early accumulation of viral proteins in infected cells confers enhanced ability to limit IFN signaling, promoting viral replication and spread. Our results demonstrate that RIG-I-mediated innate immune signaling imparts restriction of ZIKV protein accumulation, which permits IFN signaling and antiviral actions controlling ZIKV infection. IMPORTANCE ZIKV isolates are classified under African or Asian lineages. Infection with emerging Asian lineage-derived ZIKV strains is associated with increased incidence of neurological symptoms that were not previously reported during infection with African or preemergent Asian lineage viruses. In this study, we utilized in vitro models to compare the virologic properties of and innate immune responses to two prototypic ZIKV strains from distinct lineages: African lineage ZIKV/Dakar and Asian lineage ZIKV/Malaysia. Compared to ZIKV/Dakar, ZIKV/Malaysia accumulates viral proteins earlier, replicates to higher levels, and robustly blocks IFN signaling during acute infection. Early accumulation of ZIKV/Malaysia NS5 protein confers enhanced ability to antagonize IFN signaling, dampening innate immune responses to promote viral spread. Our data identify the kinetics of viral protein accumulation as a major regulator of host innate immunity, influencing host-mediated control of ZIKV replication and spread. Importantly, these findings provide a novel framework for evaluating the virulence of emerging variants.
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Affiliation(s)
- Amy Y. Lu
- Center for Innate Immunity and Immune Disease, Department of Immunology, University of Washington, Seattle, Washington, USA
- Department of Global Health, University of Washington, Seattle, Washington, USA
| | - Andrew Gustin
- Center for Innate Immunity and Immune Disease, Department of Immunology, University of Washington, Seattle, Washington, USA
| | - Daniel Newhouse
- Center for Innate Immunity and Immune Disease, Department of Immunology, University of Washington, Seattle, Washington, USA
| | - Michael Gale
- Center for Innate Immunity and Immune Disease, Department of Immunology, University of Washington, Seattle, Washington, USA
- Department of Global Health, University of Washington, Seattle, Washington, USA
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13
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Oliveira FBCD, Freire VPASDS, Coelho SVA, Meuren LM, Palmeira JDF, Cardoso AL, Neves FDAR, Ribeiro BM, Argañaraz GA, Arruda LBD, Argañaraz ER. ZIKV Strains Elicit Different Inflammatory and Anti-Viral Responses in Microglia Cells. Viruses 2023; 15:1250. [PMID: 37376550 DOI: 10.3390/v15061250] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2023] [Revised: 05/16/2023] [Accepted: 05/23/2023] [Indexed: 06/29/2023] Open
Abstract
In recent years, the Zika Virus (ZIKV) has caused pandemic outbreaks associated with a high rate of congenital ZIKV syndrome (CZS). Although all strains associated with worldwide outbreaks derive from the Asian lineage, the reasons for their enhanced spread and severity are not fully understood. In this study, we conducted a comparative analysis of miRNAs (miRNA-155/146a/124) and their cellular targets (SOCS1/3, SHP1, TRAF6, IRAK1), as well as pro- and anti-inflammatory and anti-viral cytokines (IL-6, TNF-α, IFN-γ, IL-10, and IFN-β) and peroxisome proliferator-activated receptor γ (PPAR-γ) expression in BV2 microglia cells infected with ZIKV strains derived from African and Asian lineages (ZIKVMR766 and ZIKVPE243). BV2 cells were susceptible to both ZIKV strains, and showed discrete levels of viral replication, with delayed release of viral particles without inducing significant cytopathogenic effects. However, the ZIKVMR766 strain showed higher infectivity and replicative capacity, inducing a higher expression of microglial activation markers than the ZIKVPE243 strain. Moreover, infection with the ZIKVMR766 strain promoted both a higher inflammatory response and a lower expression of anti-viral factors compared to the ZIKVPE243 strain. Remarkably, the ZIKKPE243 strain induced significantly higher levels of the anti-inflammatory nuclear receptor-PPAR-γ. These findings improve our understanding of ZIKV-mediated modulation of inflammatory and anti-viral innate immune responses and open a new avenue to explore underlining mechanisms involved in the pathogenesis of ZIKV-associated diseases.
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Affiliation(s)
| | | | - Sharton Vinicius Antunes Coelho
- Laboratório de Genética e Imunologia das Infecções Virais, Departamento de Virologia, Instituto de Microbiologia Paulo de Goes, Universidade Federal do Rio de Janeiro, Rio de Janeiro 21941-902, RJ, Brazil
| | - Lana Monteiro Meuren
- Laboratório de Genética e Imunologia das Infecções Virais, Departamento de Virologia, Instituto de Microbiologia Paulo de Goes, Universidade Federal do Rio de Janeiro, Rio de Janeiro 21941-902, RJ, Brazil
| | - Julys da Fonseca Palmeira
- Laboratory of Molecular Neurovirology, Department of Pharmacy, Faculty of Health Science, University of Brasília, Brasília 70910-900, DF, Brazil
| | - Ana Luísa Cardoso
- Centre for Neuroscience and Cell Biology, University of Coimbra, 3004-517 Coimbra, Portugal
| | | | - Bergmann Morais Ribeiro
- Laboratory of Bacuolovirus, Cell Biology Department, University of Brasilia, Brasilia 70910-900, DF, Brazil
| | - Gustavo Adolfo Argañaraz
- Laboratory of Molecular Neurovirology, Department of Pharmacy, Faculty of Health Science, University of Brasília, Brasília 70910-900, DF, Brazil
| | - Luciana Barros de Arruda
- Laboratório de Genética e Imunologia das Infecções Virais, Departamento de Virologia, Instituto de Microbiologia Paulo de Goes, Universidade Federal do Rio de Janeiro, Rio de Janeiro 21941-902, RJ, Brazil
| | - Enrique Roberto Argañaraz
- Laboratory of Molecular Neurovirology, Department of Pharmacy, Faculty of Health Science, University of Brasília, Brasília 70910-900, DF, Brazil
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14
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Mancini MV, Tandavanitj R, Ant TH, Murdochy SM, Gingell DD, Setthapramote C, Natsrita P, Kohl A, Sinkins SP, Patel AH, De Lorenzo G. Evaluation of an Engineered Zika Virus-Like Particle Vaccine Candidate in a Mosquito-Mouse Transmission Model. mSphere 2023; 8:e0056422. [PMID: 36840596 PMCID: PMC10117074 DOI: 10.1128/msphere.00564-22] [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: 12/02/2022] [Accepted: 01/31/2023] [Indexed: 02/25/2023] Open
Abstract
The primary route of Zika virus (ZIKV) transmission is through the bite of an infected Aedes mosquito, when it probes the skin of a vertebrate host during a blood meal. Viral particles are injected into the bite site together with mosquito saliva and a complex mixture of other components. Some of them are known to play a key role in the augmentation of the arbovirus infection in the host, with increased viremia and/or morbidity. This vector-derived contribution to the infection is not usually considered when vaccine candidates are tested in preclinical animal models. In this study, we performed a preclinical validation of a promising ZIKV vaccine candidate in a mosquito-mouse transmission model using both Asian and African ZIKV lineages. Mice were immunized with engineered ZIKV virus-like particles and subsequently infected through the bite of ZIKV-infected Aedes aegypti mosquitoes. Despite a mild increase in viremia in mosquito-infected mice compared to those infected through traditional needle injection, the vaccine protected the animals from developing the disease and strongly reduced viremia. In addition, during peak viremia, naive mosquitoes were allowed to feed on infected vaccinated and nonvaccinated mice. Our analysis of viral titers in mosquitos showed that the vaccine was able to inhibit virus transmission from the host to the vector. IMPORTANCE Zika is a mosquito-borne viral disease, causing acute debilitating symptoms and complications in infected individuals and irreversible neuronal abnormalities in newborn children. The primary vectors of ZIKV are Aedes aegypti mosquitoes. Despite representing a significant public health burden with a widespread transmission in many regions of the world, Zika remains a neglected disease with no effective antiviral therapies or approved vaccines. It is known that components of the mosquito bite lead to an enhancement of viral infection and spread, but this aspect is often overlooked when vaccine candidates undergo preclinical validation. In this study, we included mosquitoes as viral vectors, demonstrating the ability of a promising vaccine candidate to protect animals against ZIKV infections after the bite of an infected mosquito and to also prevent its further transmission. These findings represent an additional crucial step for the development of an effective prevention tool for clinical use.
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Affiliation(s)
| | - Rapeepat Tandavanitj
- MRC–University of Glasgow Centre for Virus Research, Glasgow, Scotland, United Kingdom
- Biologicals Research Group, Research and Development Institute, Government Pharmaceutical Organization, Bangkok, Thailand
| | - Thomas H. Ant
- MRC–University of Glasgow Centre for Virus Research, Glasgow, Scotland, United Kingdom
| | - Shivan M. Murdochy
- MRC–University of Glasgow Centre for Virus Research, Glasgow, Scotland, United Kingdom
| | - Daniel D. Gingell
- MRC–University of Glasgow Centre for Virus Research, Glasgow, Scotland, United Kingdom
| | - Chayanee Setthapramote
- MRC–University of Glasgow Centre for Virus Research, Glasgow, Scotland, United Kingdom
- Department of Clinical Pathology, Faculty of Medicine Vajira Hospital, Navamindradhiraj University, Bangkok, Thailand
| | - Piyatida Natsrita
- MRC–University of Glasgow Centre for Virus Research, Glasgow, Scotland, United Kingdom
- Department of Microbiology, Faculty of Medicine, Khon Kaen University, Khon Kaen, Thailand
| | - Alain Kohl
- MRC–University of Glasgow Centre for Virus Research, Glasgow, Scotland, United Kingdom
| | - Steven P. Sinkins
- MRC–University of Glasgow Centre for Virus Research, Glasgow, Scotland, United Kingdom
| | - Arvind H. Patel
- MRC–University of Glasgow Centre for Virus Research, Glasgow, Scotland, United Kingdom
| | - Giuditta De Lorenzo
- MRC–University of Glasgow Centre for Virus Research, Glasgow, Scotland, United Kingdom
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15
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Gilbert-Jaramillo J, Purnama U, Molnár Z, James WS. Zika virus-induces metabolic alterations in fetal neuronal progenitors that could influence in neurodevelopment during early pregnancy. Biol Open 2023; 12:bio059889. [PMID: 37093064 PMCID: PMC10151830 DOI: 10.1242/bio.059889] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2023] [Accepted: 03/02/2023] [Indexed: 04/25/2023] Open
Abstract
Cortical development consists of an orchestrated process in which progenitor cells exhibit distinct fate restrictions regulated by time-dependent activation of energetic pathways. Thus, the hijacking of cellular metabolism by Zika virus (ZIKV) to support its replication may contribute to damage in the developing fetal brain. Here, we showed that ZIKV replicates differently in two glycolytically distinct pools of cortical progenitors derived from human induced pluripotent stem cells (hiPSCs), which resemble the metabolic patterns of quiescence (early hi-NPCs) and immature brain cells (late hi-NPCs) in the forebrain. This differential replication alters the transcription of metabolic genes in both pools of cortical progenitors but solely upregulates the glycolytic capacity of early hi-NPCs. Analysis using Imagestream® revealed that, during early stages of ZIKV replication, in early hi-NPCs there is an increase in lipid droplet abundance and size. This stage of ZIKV replication significantly reduced the mitochondrial distribution in both early and late hi-NPCs. During later stages of ZIKV replication, late hi-NPCs show reduced mitochondrial size and abundance. The finding that there are alterations of cellular metabolism during ZIKV infection which are specific to pools of cortical progenitors at different stages of maturation may help to explain the differences in brain damage over each trimester.
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Affiliation(s)
- Javier Gilbert-Jaramillo
- James & Lillian Martin Centre, Sir William Dunn School of Pathology, University of Oxford, South Parks Road, Oxford OX1 3RE, UK
- Department of Physiology, Anatomy and Genetics, Sherrington Building, University of Oxford, Parks Road, Oxford OX1 3PT, UK
- ESPOL Polytechnic University, Escuela Superior Politécnica del Litoral, ESPOL, Facultad de Ciencias de la Vida, Campus Gustavo Galindo Km. 30.5 Vía Perimetral, P.O. Box 09-01-5863, Guayaquil, Ecuador
| | - Ujang Purnama
- Department of Physiology, Anatomy and Genetics, Sherrington Building, University of Oxford, Parks Road, Oxford OX1 3PT, UK
| | - Zoltán Molnár
- Department of Physiology, Anatomy and Genetics, Sherrington Building, University of Oxford, Parks Road, Oxford OX1 3PT, UK
| | - William S. James
- James & Lillian Martin Centre, Sir William Dunn School of Pathology, University of Oxford, South Parks Road, Oxford OX1 3RE, UK
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He MJ, Wang HJ, Yan XL, Lou YN, Song GY, Li RT, Zhu Z, Zhang RR, Qin CF, Li XF. Key Residue in the Precursor Region of M Protein Contributes to the Neurovirulence and Neuroinvasiveness of the African Lineage of Zika Virus. J Virol 2023; 97:e0180122. [PMID: 36840584 PMCID: PMC10062131 DOI: 10.1128/jvi.01801-22] [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: 11/23/2022] [Accepted: 01/31/2023] [Indexed: 02/24/2023] Open
Abstract
The Zika virus (ZIKV) represents an important global health threat due to its unusual association with congenital Zika syndrome. ZIKV strains are phylogenetically grouped into the African and Asian lineages. However, the viral determinants underlying the phenotypic differences between the lineages remain unknown. Here, multiple sequence alignment revealed a highly conserved residue at position 21 of the premembrane (prM) protein, which is glutamic acid and lysine in the Asian and African lineages, respectively. Using reverse genetics, we generated a recombinant virus carrying an E21K mutation based on the genomic backbone of the Asian lineage strain FSS13025 (termed E21K). The E21K mutation significantly increased viral replication in multiple neural cell lines with a higher ratio of M to prM production. Animal studies showed E21K exhibited increased neurovirulence in suckling mice, leading to more severe defects in mouse brains by causing more neural cell death and destruction of hippocampus integrity. Moreover, the E21K substitution enhanced neuroinvasiveness in interferon alpha/beta (IFN-α/β) receptor knockout mice, as indicated by the increased mortality, and enhanced replication in mouse brains. The global transcriptional analysis showed E21K infection profoundly altered neuron development networks and induced stronger antiviral immune response than wild type (WT) in both neural cells and mouse brains. More importantly, the reverse K21E mutation based on the genomic backbone of the African strain MR766 caused less mouse neurovirulence. Overall, our findings support the 21st residue of prM functions as a determinant for neurovirulence and neuroinvasiveness of the African lineage of ZIKV. IMPORTANCE The suspected link of Zika virus (ZIKV) to birth defects led the World Health Organization to declare ZIKV a Public Health Emergency of International Concern. ZIKV has been identified to have two dominant phylogenetic lineages, African and Asian. Significant differences exist between the two lineages in terms of neurovirulence and neuroinvasiveness in mice. However, the viral determinants underlying the phenotypic differences are still unknown. Here, combining reverse genetics, animal studies, and global transcriptional analysis, we provide evidence that a single E21K mutation of prM confers to the Asian lineage strain FSS130125 significantly enhanced replication in neural cell lines and more neurovirulent and neuroinvasiveness phenotypes in mice. Our findings support that the highly conserved residue at position 21 of prM functions as a determinant of neurovirulence and neuroinvasiveness of the African lineage of ZIKV in mice.
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Affiliation(s)
- Meng-Jiao He
- Department of Virology, State Key Laboratory of Pathogen and Biosecurity, Beijing Institute of Microbiology and Epidemiology, Academy of Military Medical Sciences, Beijing, China
| | - Hong-Jiang Wang
- Department of Research, The Chinese People’s Liberation Army Strategic Support Force Medical Center, Beijing, China
| | - Xiu-Li Yan
- Department of Virology, State Key Laboratory of Pathogen and Biosecurity, Beijing Institute of Microbiology and Epidemiology, Academy of Military Medical Sciences, Beijing, China
- School of Basic Medical Sciences, Anhui Medical University, Hefei, Anhui, China
| | - Ya-Nan Lou
- Department of Virology, State Key Laboratory of Pathogen and Biosecurity, Beijing Institute of Microbiology and Epidemiology, Academy of Military Medical Sciences, Beijing, China
| | - Guang-Yuan Song
- Department of Virology, State Key Laboratory of Pathogen and Biosecurity, Beijing Institute of Microbiology and Epidemiology, Academy of Military Medical Sciences, Beijing, China
- School of Basic Medical Sciences, Anhui Medical University, Hefei, Anhui, China
| | - Rui-Ting Li
- Department of Virology, State Key Laboratory of Pathogen and Biosecurity, Beijing Institute of Microbiology and Epidemiology, Academy of Military Medical Sciences, Beijing, China
| | - Zhu Zhu
- Department of Virology, State Key Laboratory of Pathogen and Biosecurity, Beijing Institute of Microbiology and Epidemiology, Academy of Military Medical Sciences, Beijing, China
- School of Medicine, Tsinghua University, Beijing, China
| | - Rong-Rong Zhang
- Department of Virology, State Key Laboratory of Pathogen and Biosecurity, Beijing Institute of Microbiology and Epidemiology, Academy of Military Medical Sciences, Beijing, China
| | - Cheng-Feng Qin
- Department of Virology, State Key Laboratory of Pathogen and Biosecurity, Beijing Institute of Microbiology and Epidemiology, Academy of Military Medical Sciences, Beijing, China
| | - Xiao-Feng Li
- Department of Virology, State Key Laboratory of Pathogen and Biosecurity, Beijing Institute of Microbiology and Epidemiology, Academy of Military Medical Sciences, Beijing, China
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17
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Leiva S, Bugnon Valdano M, Gardiol D. Unravelling the epidemiological diversity of Zika virus by analyzing key protein variations. Arch Virol 2023; 168:115. [PMID: 36943525 DOI: 10.1007/s00705-023-05726-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/09/2022] [Accepted: 01/19/2023] [Indexed: 03/23/2023]
Abstract
The consequences of Zika virus (ZIKV) infections were limited to sporadic mild diseases until almost a decade ago, when epidemic outbreaks took place, with quick spread into the Americas. Simultaneously, novel severe neurological manifestations of ZIKV infections were identified, including congenital microcephaly. However, why the epidemic strains behave differently is not yet completely understood, and many questions remain about the actual significance of genetic variations in the epidemiology and biology of ZIKV. In this study, we analysed a large number of viral sequences to identify genes with different levels of variability and patterns of genomic variations that could be associated with ZIKV diversity. We compared numerous epidemic strains with pre-epidemic strains, using the BWA-mem algorithm, and we also examined specific variations among the epidemic ZIKV strains derived from microcephaly cases. We identified several viral genes with dissimilar mutation rates among the ZIKV strain groups and novel protein variation profiles that might be associated with epidemiological particularities. Finally, we assessed the impact of the detected changes on the structure and stability of the NS1, NS5, and E proteins using the I-TASSER, trRosetta, and RaptorX modelling algorithms, and we found some interesting variations that might help to explain the heterogeneous features of the diverse ZIKA strains. This work contributes to the identification of genetic differences in the ZIKV genome that might have a phenotypic impact, providing a basis for future experimental analysis to elucidate the genetic causes of the recent ZIKV emergency.
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Affiliation(s)
- Santiago Leiva
- Facultad de Ciencias Bioquímicas y Farmacéuticas, Instituto de Biología Molecular y Celular de Rosario-CONICET, Universidad Nacional de Rosario, Suipacha 531, 2000, Rosario, Argentina
| | - Marina Bugnon Valdano
- Facultad de Ciencias Bioquímicas y Farmacéuticas, Instituto de Biología Molecular y Celular de Rosario-CONICET, Universidad Nacional de Rosario, Suipacha 531, 2000, Rosario, Argentina.
| | - Daniela Gardiol
- Facultad de Ciencias Bioquímicas y Farmacéuticas, Instituto de Biología Molecular y Celular de Rosario-CONICET, Universidad Nacional de Rosario, Suipacha 531, 2000, Rosario, Argentina.
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18
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Wells MF, Nemesh J, Ghosh S, Mitchell JM, Salick MR, Mello CJ, Meyer D, Pietilainen O, Piccioni F, Guss EJ, Raghunathan K, Tegtmeyer M, Hawes D, Neumann A, Worringer KA, Ho D, Kommineni S, Chan K, Peterson BK, Raymond JJ, Gold JT, Siekmann MT, Zuccaro E, Nehme R, Kaykas A, Eggan K, McCarroll SA. Natural variation in gene expression and viral susceptibility revealed by neural progenitor cell villages. Cell Stem Cell 2023; 30:312-332.e13. [PMID: 36796362 PMCID: PMC10581885 DOI: 10.1016/j.stem.2023.01.010] [Citation(s) in RCA: 29] [Impact Index Per Article: 29.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/16/2020] [Revised: 11/28/2022] [Accepted: 01/23/2023] [Indexed: 02/17/2023]
Abstract
Human genome variation contributes to diversity in neurodevelopmental outcomes and vulnerabilities; recognizing the underlying molecular and cellular mechanisms will require scalable approaches. Here, we describe a "cell village" experimental platform we used to analyze genetic, molecular, and phenotypic heterogeneity across neural progenitor cells from 44 human donors cultured in a shared in vitro environment using algorithms (Dropulation and Census-seq) to assign cells and phenotypes to individual donors. Through rapid induction of human stem cell-derived neural progenitor cells, measurements of natural genetic variation, and CRISPR-Cas9 genetic perturbations, we identified a common variant that regulates antiviral IFITM3 expression and explains most inter-individual variation in susceptibility to the Zika virus. We also detected expression QTLs corresponding to GWAS loci for brain traits and discovered novel disease-relevant regulators of progenitor proliferation and differentiation such as CACHD1. This approach provides scalable ways to elucidate the effects of genes and genetic variation on cellular phenotypes.
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Affiliation(s)
- Michael F Wells
- Stanley Center for Psychiatric Research, Broad Institute of MIT and Harvard University, Cambridge, MA 02142, USA; Department of Stem Cell and Regenerative Biology, and Harvard Stem Cell Institute, Harvard University, Cambridge, MA 02138, USA; Department of Human Genetics, David Geffen School of Medicine at the University of California, Los Angeles, Los Angeles, CA 90095, USA; Molecular Biology Institute, University of California, Los Angeles, Los Angeles, CA 90095, USA
| | - James Nemesh
- Stanley Center for Psychiatric Research, Broad Institute of MIT and Harvard University, Cambridge, MA 02142, USA; Department of Genetics, Harvard Medical School, Boston, MA 02115, USA
| | - Sulagna Ghosh
- Stanley Center for Psychiatric Research, Broad Institute of MIT and Harvard University, Cambridge, MA 02142, USA; Department of Genetics, Harvard Medical School, Boston, MA 02115, USA
| | - Jana M Mitchell
- Stanley Center for Psychiatric Research, Broad Institute of MIT and Harvard University, Cambridge, MA 02142, USA; Department of Stem Cell and Regenerative Biology, and Harvard Stem Cell Institute, Harvard University, Cambridge, MA 02138, USA; Insitro, South San Francisco, CA 94080, USA
| | | | - Curtis J Mello
- Stanley Center for Psychiatric Research, Broad Institute of MIT and Harvard University, Cambridge, MA 02142, USA; Department of Genetics, Harvard Medical School, Boston, MA 02115, USA
| | - Daniel Meyer
- Stanley Center for Psychiatric Research, Broad Institute of MIT and Harvard University, Cambridge, MA 02142, USA; Department of Genetics, Harvard Medical School, Boston, MA 02115, USA
| | - Olli Pietilainen
- Stanley Center for Psychiatric Research, Broad Institute of MIT and Harvard University, Cambridge, MA 02142, USA; Department of Stem Cell and Regenerative Biology, and Harvard Stem Cell Institute, Harvard University, Cambridge, MA 02138, USA
| | - Federica Piccioni
- Genetic Perturbation Platform, Broad Institute of MIT and Harvard University, Cambridge, MA 02142, USA
| | - Ellen J Guss
- Department of Stem Cell and Regenerative Biology, and Harvard Stem Cell Institute, Harvard University, Cambridge, MA 02138, USA
| | - Kavya Raghunathan
- Stanley Center for Psychiatric Research, Broad Institute of MIT and Harvard University, Cambridge, MA 02142, USA; Department of Stem Cell and Regenerative Biology, and Harvard Stem Cell Institute, Harvard University, Cambridge, MA 02138, USA
| | - Matthew Tegtmeyer
- Stanley Center for Psychiatric Research, Broad Institute of MIT and Harvard University, Cambridge, MA 02142, USA
| | - Derek Hawes
- Stanley Center for Psychiatric Research, Broad Institute of MIT and Harvard University, Cambridge, MA 02142, USA
| | - Anna Neumann
- Stanley Center for Psychiatric Research, Broad Institute of MIT and Harvard University, Cambridge, MA 02142, USA
| | - Kathleen A Worringer
- Department of Neuroscience, Novartis Institute for BioMedical Research, Cambridge, MA 02139, USA
| | - Daniel Ho
- Department of Neuroscience, Novartis Institute for BioMedical Research, Cambridge, MA 02139, USA
| | - Sravya Kommineni
- Department of Neuroscience, Novartis Institute for BioMedical Research, Cambridge, MA 02139, USA
| | - Karrie Chan
- Department of Neuroscience, Novartis Institute for BioMedical Research, Cambridge, MA 02139, USA
| | - Brant K Peterson
- Department of Neuroscience, Novartis Institute for BioMedical Research, Cambridge, MA 02139, USA
| | - Joseph J Raymond
- Department of Neuroscience, Novartis Institute for BioMedical Research, Cambridge, MA 02139, USA
| | - John T Gold
- Department of Stem Cell and Regenerative Biology, and Harvard Stem Cell Institute, Harvard University, Cambridge, MA 02138, USA; Department of Biology, Davidson College, Davidson, NC 28035, USA
| | - Marco T Siekmann
- Department of Stem Cell and Regenerative Biology, and Harvard Stem Cell Institute, Harvard University, Cambridge, MA 02138, USA
| | - Emanuela Zuccaro
- Department of Stem Cell and Regenerative Biology, and Harvard Stem Cell Institute, Harvard University, Cambridge, MA 02138, USA
| | - Ralda Nehme
- Stanley Center for Psychiatric Research, Broad Institute of MIT and Harvard University, Cambridge, MA 02142, USA; Department of Stem Cell and Regenerative Biology, and Harvard Stem Cell Institute, Harvard University, Cambridge, MA 02138, USA
| | | | - Kevin Eggan
- Stanley Center for Psychiatric Research, Broad Institute of MIT and Harvard University, Cambridge, MA 02142, USA; Department of Stem Cell and Regenerative Biology, and Harvard Stem Cell Institute, Harvard University, Cambridge, MA 02138, USA.
| | - Steven A McCarroll
- Stanley Center for Psychiatric Research, Broad Institute of MIT and Harvard University, Cambridge, MA 02142, USA; Department of Genetics, Harvard Medical School, Boston, MA 02115, USA.
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19
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Poveda Cuevas SA, Barroso da Silva FL, Etchebest C. NS1 from Two Zika Virus Strains Differently Interact with a Membrane: Insights to Understand Their Differential Virulence. J Chem Inf Model 2023; 63:1386-1400. [PMID: 36780300 DOI: 10.1021/acs.jcim.2c01461] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/14/2023]
Abstract
Zika virus (ZIKV) from Uganda (UG) expresses a phenotype related to fetal loss, whereas the variant from Brazil (BR) induces microcephaly in neonates. The differential virulence has a direct relation to biomolecular mechanisms that make one strain more aggressive than the other. The nonstructural protein 1 (NS1) is a key viral toxin to comprehend these viral discrepancies because of its versatility in many processes of the virus life cycle. Here, we aim to examine through coarse-grained models and molecular dynamics simulations the protein-membrane interactions for both NS1ZIKV-UG and NS1ZIKV-BR dimers. A first evaluation allowed us to establish that the NS1 proteins, in the membrane presence, explore new conformational spaces when compared to systems simulated without a lipid bilayer. These events derive from both differential coupling patterns and discrepant binding affinities to the membrane. The N-terminal domain, intertwined loop, and greasy finger proposed previously as binding membrane regions were also computationally confirmed by us. The anchoring sites have aromatic and ionizable residues that manage the assembly of NS1 toward the membrane, especially for the Ugandan variant. Furthermore, in the presence of the membrane, the difference in the dynamic cross-correlation of residues between the two strains is particularly pronounced in the putative epitope regions. This suggests that the protein-membrane interaction induces changes in the distal part related to putative epitopes. Taken together, these results open up new strategies for the treatment of flaviviruses that would specifically target these dynamic differences.
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Affiliation(s)
- Sergio Alejandro Poveda Cuevas
- Programa Interunidades em Bioinformática, Universidade de São Paulo, Rua do Matão, 1010, São Paulo, São Paulo BR-05508-090, Brazil.,Departamento de Ciências Biomoleculares, Faculdade de Ciências Farmacêuticas de Ribeirão Preto, Universidade de São Paulo, Av. do Café, s/no-Campus da USP, Ribeirão Preto, São Paulo BR-14040-903, Brazil.,Goethe University Frankfurt, Institute of Biochemistry II, Theodor-Stern-Kai 7, Frankfurt am Main, Hesse DE-60590, Germany.,Faculdade de Ciências Farmacêuticas de Ribeirão Preto, University of São Paulo and Université de Paris International Laboratory in Structural Bioinformatics, Av. do Café, s/no-Campus da USP, Bloco B, Ribeirão Preto, São Paulo BR-14040-903, Brazil
| | - Fernando L Barroso da Silva
- Programa Interunidades em Bioinformática, Universidade de São Paulo, Rua do Matão, 1010, São Paulo, São Paulo BR-05508-090, Brazil.,Departamento de Ciências Biomoleculares, Faculdade de Ciências Farmacêuticas de Ribeirão Preto, Universidade de São Paulo, Av. do Café, s/no-Campus da USP, Ribeirão Preto, São Paulo BR-14040-903, Brazil.,Department of Chemical and Biomolecular Engineering, North Carolina State University, Raleigh, North Carolina 27695, United States.,Faculdade de Ciências Farmacêuticas de Ribeirão Preto, University of São Paulo and Université de Paris International Laboratory in Structural Bioinformatics, Av. do Café, s/no-Campus da USP, Bloco B, Ribeirão Preto, São Paulo BR-14040-903, Brazil
| | - Catherine Etchebest
- Université Paris Cité and Université des Antilles, INSERM, Biologie Intégrée du Globule Rouge, F-75015 Paris, France.,Faculdade de Ciências Farmacêuticas de Ribeirão Preto, University of São Paulo and Université de Paris International Laboratory in Structural Bioinformatics, Av. do Café, s/no-Campus da USP, Bloco B, Ribeirão Preto, São Paulo BR-14040-903, Brazil
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20
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Chan YT, Cheok YY, Cheong HC, Tang TF, Sulaiman S, Hassan J, Looi CY, Tan KK, AbuBakar S, Wong WF. Immune Recognition versus Immune Evasion Systems in Zika Virus Infection. Biomedicines 2023; 11:biomedicines11020642. [PMID: 36831177 PMCID: PMC9952926 DOI: 10.3390/biomedicines11020642] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2022] [Revised: 01/17/2023] [Accepted: 01/19/2023] [Indexed: 02/22/2023] Open
Abstract
The reemergence of the Zika virus (ZIKV) infection in recent years has posed a serious threat to global health. Despite being asymptomatic or mildly symptomatic in a majority of infected individuals, ZIKV infection can result in severe manifestations including neurological complications in adults and congenital abnormalities in newborns. In a human host, ZIKV is primarily recognized by RIG-like receptors and Toll-like receptors that elicit anti-viral immunity through the secretion of type I interferon (IFN) to limit viral survival, replication, and pathogenesis. Intriguingly, ZIKV evades its host immune system through various immune evasion strategies, including suppressing the innate immune receptors and signaling pathways, mutation of viral structural and non-structural proteins, RNA modulation, or alteration of cellular pathways. Here, we present an overview of ZIKV recognition by the host immune system and the evasion strategies employed by ZIKV. Characterization of the host-viral interaction and viral disease mechanism provide a platform for the rational design of novel prophylactic and therapeutic strategies against ZIKV infection.
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Affiliation(s)
- Yee Teng Chan
- Department of Medical Microbiology, Faculty of Medicine, University of Malaya, Kuala Lumpur 50603, Malaysia
| | - Yi Ying Cheok
- Department of Medical Microbiology, Faculty of Medicine, University of Malaya, Kuala Lumpur 50603, Malaysia
| | - Heng Choon Cheong
- Department of Medical Microbiology, Faculty of Medicine, University of Malaya, Kuala Lumpur 50603, Malaysia
| | - Ting Fang Tang
- Department of Medical Microbiology, Faculty of Medicine, University of Malaya, Kuala Lumpur 50603, Malaysia
| | - Sofiah Sulaiman
- Department of Obstetrics and Gynecology, Faculty of Medicine, University of Malaya, Kuala Lumpur 50603, Malaysia
| | - Jamiyah Hassan
- Department of Obstetrics and Gynecology, Faculty of Medicine, University of Malaya, Kuala Lumpur 50603, Malaysia
| | - Chung Yeng Looi
- School of Biosciences, Faculty of Health & Medical Sciences, Taylor’s University, 1, Jalan Taylors, Subang Jaya 47500, Malaysia
| | - Kim-Kee Tan
- Tropical Infectious Diseases Research and Education Centre (TIDREC), Higher Education Center of Excellence (HICoE), University of Malaya, Kuala Lumpur 50603, Malaysia
| | - Sazaly AbuBakar
- Tropical Infectious Diseases Research and Education Centre (TIDREC), Higher Education Center of Excellence (HICoE), University of Malaya, Kuala Lumpur 50603, Malaysia
| | - Won Fen Wong
- Department of Medical Microbiology, Faculty of Medicine, University of Malaya, Kuala Lumpur 50603, Malaysia
- Correspondence: ; Tel.: +60-(3)-7967-6672
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21
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Gilbert RK, Petersen LR, Honein MA, Moore CA, Rasmussen SA. Zika virus as a cause of birth defects: Were the teratogenic effects of Zika virus missed for decades? Birth Defects Res 2023; 115:265-274. [PMID: 36513609 PMCID: PMC10552063 DOI: 10.1002/bdr2.2134] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2022] [Revised: 11/19/2022] [Accepted: 11/23/2022] [Indexed: 12/15/2022]
Abstract
Zika virus (ZIKV) was identified as a teratogen in 2016 when an increase in severe microcephaly and other brain defects was observed in fetuses and newborns following outbreaks in French Polynesia (2013-2014) and Brazil (2015-2016) and among travelers to other countries experiencing outbreaks. Some have questioned why ZIKV was not recognized as a teratogen before these outbreaks: whether novel genetic changes in ZIKV had increased its teratogenicity or whether its association with birth defects had previously been undetected. Here we examine the evidence for these two possibilities. We describe evidence for specific mutations that arose before the French Polynesia outbreak that might have increased ZIKV teratogenicity. We also present information on children born with findings consistent with congenital Zika syndrome (CZS) as early as 2009 and epidemiological evidence that suggests increases in CZS-type birth defects before 2013. We also explore reasons why a link between ZIKV and birth defects might have been missed, including issues with surveillance of ZIKV infections and of birth defects, challenges to ZIKV diagnostic testing, and the susceptibility of different populations to ZIKV infection at the time of pregnancy. Although it is not possible to prove definitively that ZIKV had teratogenic properties before 2013, several pieces of evidence support the hypothesis that its teratogenicity had been missed in the past. These findings emphasize the need for further investments in global surveillance for emerging infections and for birth defects so that infectious teratogens can be identified more expeditiously in the future.
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Affiliation(s)
- Rachel K. Gilbert
- University of Florida College of Medicine, Gainesville, Florida, USA
| | - Lyle R. Petersen
- Division of Vector-Borne Diseases, Centers for Disease Control and Prevention, Fort Collins, Colorado, USA
| | - Margaret A. Honein
- Division of Preparedness and Emerging Infections, National Center for Emerging and Zoonotic Infectious Diseases, Centers for Disease Control and Prevention, Atlanta, Georgia, USA
| | - Cynthia A. Moore
- National Center on Birth Defects and Developmental Disabilities, Centers for Disease Control and Prevention, Atlanta, Georgia, USA
- Goldbelt Professional Services, LLC, Chesapeake, Virginia, USA
| | - Sonja A. Rasmussen
- Departments of Pediatrics and Obstetrics and Gynecology, College of Medicine, University of Florida, Gainesville, Florida, USA
- Department of Epidemiology, College of Medicine and College of Public Health and Health Professions, University of Florida, Gainesville, Florida, USA
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22
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Pathogenicity and Structural Basis of Zika Variants with Glycan Loop Deletions in the Envelope Protein. J Virol 2022; 96:e0087922. [PMID: 36377874 PMCID: PMC9749469 DOI: 10.1128/jvi.00879-22] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
The glycan loop of Zika virus (ZIKV) envelope protein (E) contains the glycosylation site and has been well documented to be important for viral pathogenesis and transmission. In the present study, we report that deletions in the E glycan loop, which were recorded in African ZIKV strains previously, have re-emerged in their contemporary Asian lineages. Here, we generated recombinant ZIKV containing specific deletions in the E glycan loop by reverse genetics. Extensive in vitro and in vivo characterization of these deletion mutants demonstrated an attenuated phenotype in an adult A129 mouse model and reduced oral infections in mosquitoes. Surprisingly, these glycan loop deletion mutants exhibited an enhanced neurovirulence phenotype, and resulted in a more severe microcephalic brain in neonatal mouse models. Crystal structures of the ZIKV E protein and a deletion mutant at 2.5 and 2.6 Å, respectively, revealed that deletion of the glycan loop induces encephalitic flavivirus-like conformational alterations, including the appearance of perforations on the surface and a clear change in the topology of the loops. Overall, our results demonstrate that the E glycan loop deletions represent neonatal mouse neurovirulence markers of ZIKV. IMPORTANCE Zika virus (ZIKV) has been identified as a cause of microcephaly and acquired evolutionary mutations since its discovery. Previously deletions in the E glycan loop were recorded in African ZIKV strains, which have re-emerged in the contemporary Asian lineages recently. The glycan loop deletion mutants are not glycosylated, which are attenuated in adult A129 mouse model and reduced oral infections in mosquitoes. More importantly, the glycan loop deletion mutants induce an encephalitic flavivirus-like conformational alteration in the E homodimer, resulting in a significant enhancement of neonatal mouse neurovirulence. This study underscores the critical role of glycan loop deletion mutants in ZIKV pathogenesis, highlighting a need for global virological surveillance for such ZIKV variants.
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23
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The Colombian Zika Virus Isolate (COL345Si) Replicates in Prostate Adenocarcinoma Cells and Modulates the Antiviral Response. Microorganisms 2022; 10:microorganisms10122420. [PMID: 36557673 PMCID: PMC9782197 DOI: 10.3390/microorganisms10122420] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2022] [Revised: 11/14/2022] [Accepted: 11/17/2022] [Indexed: 12/12/2022] Open
Abstract
Zika virus (ZIKV), a flavivirus that is mainly transmitted by A. aegypti and A. albopictus and sexual transmission, has been documented and described. The ZIKV RNA detection in the semen of vasectomized men indicates that accessory glands such as the prostate could be a site of virus replication. In this study, we characterized the ZIKV infection, evaluated the antiviral profile, and demonstrated the AXL and TIM-1 expression on the PC3 prostate cell line. It was also determined that PC3 cells are susceptible and permissive to ZIKV infection without altering the cell viability or causing a cytopathic effect. The antiviral profile suggests that the PC3 cells modulate the antiviral response through the suppressor molecule expression, SOCS-1, during a ZIKV infection.
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24
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Seabra SG, Libin PJK, Theys K, Zhukova A, Potter BI, Nebenzahl-Guimaraes H, Gorbalenya AE, Sidorov IA, Pimentel V, Pingarilho M, de Vasconcelos ATR, Dellicour S, Khouri R, Gascuel O, Vandamme AM, Baele G, Cuypers L, Abecasis AB. OUP accepted manuscript. Virus Evol 2022; 8:veac029. [PMID: 35478717 PMCID: PMC9035895 DOI: 10.1093/ve/veac029] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2021] [Revised: 01/24/2022] [Accepted: 03/28/2022] [Indexed: 11/13/2022] Open
Abstract
The Zika virus (ZIKV) disease caused a public health emergency of international concern that started in February 2016. The overall number of ZIKV-related cases increased until November 2016, after which it declined sharply. While the evaluation of the potential risk and impact of future arbovirus epidemics remains challenging, intensified surveillance efforts along with a scale-up of ZIKV whole-genome sequencing provide an opportunity to understand the patterns of genetic diversity, evolution, and spread of ZIKV. However, a classification system that reflects the true extent of ZIKV genetic variation is lacking. Our objective was to characterize ZIKV genetic diversity and phylodynamics, identify genomic footprints of differentiation patterns, and propose a dynamic classification system that reflects its divergence levels. We analysed a curated dataset of 762 publicly available sequences spanning the full-length coding region of ZIKV from across its geographical span and collected between 1947 and 2021. The definition of genetic groups was based on comprehensive evolutionary dynamics analyses, which included recombination and phylogenetic analyses, within- and between-group pairwise genetic distances comparison, detection of selective pressure, and clustering analyses. Evidence for potential recombination events was detected in a few sequences. However, we argue that these events are likely due to sequencing errors as proposed in previous studies. There was evidence of strong purifying selection, widespread across the genome, as also detected for other arboviruses. A total of 50 sites showed evidence of positive selection, and for a few of these sites, there was amino acid (AA) differentiation between genetic clusters. Two main genetic clusters were defined, ZA and ZB, which correspond to the already characterized ‘African’ and ‘Asian’ genotypes, respectively. Within ZB, two subgroups, ZB.1 and ZB.2, represent the Asiatic and the American (and Oceania) lineages, respectively. ZB.1 is further subdivided into ZB.1.0 (a basal Malaysia sequence sampled in the 1960s and a recent Indian sequence), ZB.1.1 (South-Eastern Asia, Southern Asia, and Micronesia sequences), and ZB.1.2 (very similar sequences from the outbreak in Singapore). ZB.2 is subdivided into ZB.2.0 (basal American sequences and the sequences from French Polynesia, the putative origin of South America introduction), ZB.2.1 (Central America), and ZB.2.2 (Caribbean and North America). This classification system does not use geographical references and is flexible to accommodate potential future lineages. It will be a helpful tool for studies that involve analyses of ZIKV genomic variation and its association with pathogenicity and serve as a starting point for the public health surveillance and response to on-going and future epidemics and to outbreaks that lead to the emergence of new variants.
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Affiliation(s)
| | | | | | - Anna Zhukova
- Institut Pasteur, Université Paris Cité, Unité Bioinformatique Evolutive, 25-28 rue du Dr Roux, Paris F-75015, France
- Institut Pasteur, Université Paris Cité, Bioinformatics and Biostatistics Hub, 25-28 rue du Dr Roux, Paris F-75015, France
| | | | - Hanna Nebenzahl-Guimaraes
- Global Health and Tropical Medicine (GHTM), Instituto de Higiene e Medicina Tropical (IHMT), Universidade Nova de Lisboa (UNL), Rua da Junqueira 100, Lisboa 1349-008, Portugal
| | | | | | - Victor Pimentel
- Global Health and Tropical Medicine (GHTM), Instituto de Higiene e Medicina Tropical (IHMT), Universidade Nova de Lisboa (UNL), Rua da Junqueira 100, Lisboa 1349-008, Portugal
| | - Marta Pingarilho
- Global Health and Tropical Medicine (GHTM), Instituto de Higiene e Medicina Tropical (IHMT), Universidade Nova de Lisboa (UNL), Rua da Junqueira 100, Lisboa 1349-008, Portugal
| | | | - Simon Dellicour
- Department of Microbiology, Immunology and Transplantation, Rega Institute for Medical Research, Laboratory of Clinical and Epidemiological Virology, KU Leuven, Herestraat 49 - box 1030, Leuven 3000, Belgium
- Spatial Epidemiology Lab (SpELL), Université Libre de Bruxelles, CP 264/3, 50 av. F.D. Roosevelt, Bruxelles B-1050, Belgium
| | | | | | | | | | - Lize Cuypers
- Department of Laboratory Medicine, University Hospitals Leuven, Herestraat 49, Leuven 3000, Belgium
| | - Ana B Abecasis
- Global Health and Tropical Medicine (GHTM), Instituto de Higiene e Medicina Tropical (IHMT), Universidade Nova de Lisboa (UNL), Rua da Junqueira 100, Lisboa 1349-008, Portugal
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25
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Piontkivska H, Wales-McGrath B, Miyamoto M, Wayne ML. ADAR Editing in Viruses: An Evolutionary Force to Reckon with. Genome Biol Evol 2021; 13:evab240. [PMID: 34694399 PMCID: PMC8586724 DOI: 10.1093/gbe/evab240] [Citation(s) in RCA: 25] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 10/21/2021] [Indexed: 02/06/2023] Open
Abstract
Adenosine Deaminases that Act on RNA (ADARs) are RNA editing enzymes that play a dynamic and nuanced role in regulating transcriptome and proteome diversity. This editing can be highly selective, affecting a specific site within a transcript, or nonselective, resulting in hyperediting. ADAR editing is important for regulating neural functions and autoimmunity, and has a key role in the innate immune response to viral infections, where editing can have a range of pro- or antiviral effects and can contribute to viral evolution. Here we examine the role of ADAR editing across a broad range of viral groups. We propose that the effect of ADAR editing on viral replication, whether pro- or antiviral, is better viewed as an axis rather than a binary, and that the specific position of a given virus on this axis is highly dependent on virus- and host-specific factors, and can change over the course of infection. However, more research needs to be devoted to understanding these dynamic factors and how they affect virus-ADAR interactions and viral evolution. Another area that warrants significant attention is the effect of virus-ADAR interactions on host-ADAR interactions, particularly in light of the crucial role of ADAR in regulating neural functions. Answering these questions will be essential to developing our understanding of the relationship between ADAR editing and viral infection. In turn, this will further our understanding of the effects of viruses such as SARS-CoV-2, as well as many others, and thereby influence our approach to treating these deadly diseases.
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Affiliation(s)
- Helen Piontkivska
- Department of Biological Sciences, Kent State University, Ohio, USA
- School of Biomedical Sciences, Kent State University, Ohio, USA
- Brain Health Research Institute, Kent State University, Ohio, USA
| | | | - Michael Miyamoto
- Department of Biology, University of Florida, Gainesville, Florida, USA
| | - Marta L Wayne
- Department of Biology, University of Florida, Gainesville, Florida, USA
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26
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King EL, Irigoyen N. Zika Virus and Neuropathogenesis: The Unanswered Question of Which Strain Is More Prone to Causing Microcephaly and Other Neurological Defects. Front Cell Neurosci 2021; 15:695106. [PMID: 34658789 PMCID: PMC8514627 DOI: 10.3389/fncel.2021.695106] [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: 04/14/2021] [Accepted: 08/25/2021] [Indexed: 12/14/2022] Open
Abstract
Despite being perceived to be a relatively innocuous pathogen during its circulation in Africa in the 20th century, consequent outbreaks in French Polynesia and Latin America revealed the Zika virus (ZIKV) to be capable of causing severe neurological defects. Foetuses infected with the virus during pregnancy developed a range of pathologies including microcephaly, cerebral calcifications and macular scarring. These are now collectively known as Congenital Zika syndrome (CZS). It has been established that the neuropathogenesis of ZIKV results from infection of neural progenitor cells in the developing cerebral cortex. Following this, two main hypotheses have emerged: the virus causes either apoptosis or premature differentiation of neural progenitor cells, reducing the final number of mature neurons in the cerebral cortex. This review describes the cellular processes which could potentially cause virus induced apoptosis or premature differentiation, leading to speculation that a combination of the two may be responsible for the pathologies associated with ZIKV. The review also discusses which specific lineages of the ZIKV can employ these mechanisms. It has been unclear in the past whether the virus evolved its neurotropic capability following circulation in Africa, or if the virus has always caused microcephaly but public health surveillance in Africa had failed to detect it. Understanding the true neuropathogenesis of ZIKV is key to being prepared for further outbreaks in the future, and it will also provide insight into how neurotropic viruses can cause profound and life-long neurological defects.
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Affiliation(s)
- Emily Louise King
- Division of Virology, Department of Pathology, University of Cambridge, Cambridge, United Kingdom
| | - Nerea Irigoyen
- Division of Virology, Department of Pathology, University of Cambridge, Cambridge, United Kingdom
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Aborode AT, Sukaina M, Kumar H, Farooqui T, Faheem S, Chahal P, Alkazmi L, Hetta HF, Batiha GES. Zika virus endemic challenges during COVID-19 pandemic in Africa. Trop Med Health 2021; 49:82. [PMID: 34645524 PMCID: PMC8512648 DOI: 10.1186/s41182-021-00372-6] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/20/2021] [Accepted: 09/22/2021] [Indexed: 12/13/2022] Open
Abstract
Zika virus remains endemic and opportunistic of high transmission in the tropical region of Africa, and the repeated cases of the Zika virus in Africa made it public health emergency in 2016. Amidst the COVID-19 pandemic, the catastrophic cases of unknown and unreported deaths overwhelming the region of Africa could not give health attention to respond to other endemic diseases. Here, we present the possible complication and challenges associated with the Zika virus in Africa and COVID-19 predominance, shifting the attention from the Zika virus surveillance. This paper determines to enlighten the reader about the situation, the efforts to curb the transmission of both the Zika virus and the COVID-19 pandemic. Therefore, the report recommends sustainable solutions that can lessen the threat to public health.
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Affiliation(s)
- Abdullahi Tunde Aborode
- Health Africans Platform, Research and Development, Ibadan, Nigeria.,West African Academy of Public Health, Research and Development, Abuja, Nigeria
| | | | | | | | - Samar Faheem
- Dow University of Health Sciences, Karachi, Pakistan
| | | | - Luay Alkazmi
- Department of Biology, Faculty of Applied Sciences, Umm Al-Qura University, Makkah, 21955, Saudi Arabia
| | - Helal F Hetta
- Department of Medical Microbiology and Immunology, Faculty of Medicine, Assiut University, Assiut, 71515, Egypt.,Department of Internal Medicine, University of Cincinnati College of Medicine, Cincinnati, OH, 45267-0595, USA
| | - Gaber El-Saber Batiha
- Department of Pharmacology and Toxicology, Faculty of Veterinary Medicine, Damanhour University, Damanhour, Egypt
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28
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Leiva S, Dizanzo MP, Fabbri C, Bugnon Valdano M, Luppo V, Levis S, Cavatorta AL, Morales MA, Gardiol D. Application of quantitative immunofluorescence assays to analyze the expression of cell contact proteins during Zika virus infections. Virus Res 2021; 304:198544. [PMID: 34400226 DOI: 10.1016/j.virusres.2021.198544] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/25/2020] [Revised: 05/10/2021] [Accepted: 08/04/2021] [Indexed: 10/20/2022]
Abstract
Zika Virus (ZIKV) is an RNA virus that belongs to the Flavivirus (FV) genus. In the last years, several unique characteristics of ZIKV among FV have been revealed, as the multiple routes of transmission and its ability to reach different human tissues, including the central nervous system. Thus, one of the most intriguing features of ZIKV biology is its ability to cross diverse complex biological barriers. The main aim of this study is to contribute to the understanding of the still unclear mechanisms behind this viral activity. We investigated an African strain and two South American ZIKV isolates belonging to the Asian lineage, in order to characterize possible differences regarding their ability to disturb intercellular junctions. The Asian isolates correspond to an imported (Venezuelan) and an autochthonous (Argentinian) ZIKV strain for which there is still no data available. We focused on occludin and DLG1 expression as markers of tight and adherent junctions, respectively. For this, we applied a quantitative immunofluorescence assay that can ascertain alterations in the cell junction proteins expression in the infected cells. Our findings indicated that the different ZIKV strains were able to reduce the levels of both polarity proteins without altering their overall cell distribution. Moreover, the grade of this effect was strain-dependent, being the DLG1 reduction higher for the African and Asian Venezuelan isolates and, on the contrary, occludin down-regulation was more noticeable for the Argentinian strain. Interestingly, among both junction proteins the viral infection caused a relative larger reduction in DLG1 expression for all viruses, suggesting DLG1 may be of particular relevance for ZIKV infections. Taken together, this study contributes to the knowledge of the biological mechanisms involved in ZIKV cytopathogenesis, with a special focus on regional isolates.
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Affiliation(s)
- Santiago Leiva
- Instituto de Biología Molecular y Celular de Rosario-CONICET, Facultad de Ciencias Bioquímicas y Farmacéuticas, Universidad Nacional de Rosario, Suipacha 531, 2000 Rosario, Argentina
| | - María Paula Dizanzo
- Instituto de Biología Molecular y Celular de Rosario-CONICET, Facultad de Ciencias Bioquímicas y Farmacéuticas, Universidad Nacional de Rosario, Suipacha 531, 2000 Rosario, Argentina
| | - Cintia Fabbri
- Instituto Nacional de Enfermedades Virales Humanas "Dr. Julio Maiztegui" (INEVH-ANLIS), Monteagudo 2510, Pergamino, Buenos Aires, Argentina
| | - Marina Bugnon Valdano
- Instituto de Biología Molecular y Celular de Rosario-CONICET, Facultad de Ciencias Bioquímicas y Farmacéuticas, Universidad Nacional de Rosario, Suipacha 531, 2000 Rosario, Argentina
| | - Victoria Luppo
- Instituto Nacional de Enfermedades Virales Humanas "Dr. Julio Maiztegui" (INEVH-ANLIS), Monteagudo 2510, Pergamino, Buenos Aires, Argentina
| | - Silvana Levis
- Instituto Nacional de Enfermedades Virales Humanas "Dr. Julio Maiztegui" (INEVH-ANLIS), Monteagudo 2510, Pergamino, Buenos Aires, Argentina
| | - Ana Laura Cavatorta
- Instituto de Biología Molecular y Celular de Rosario-CONICET, Facultad de Ciencias Bioquímicas y Farmacéuticas, Universidad Nacional de Rosario, Suipacha 531, 2000 Rosario, Argentina
| | - María Alejandra Morales
- Instituto Nacional de Enfermedades Virales Humanas "Dr. Julio Maiztegui" (INEVH-ANLIS), Monteagudo 2510, Pergamino, Buenos Aires, Argentina
| | - Daniela Gardiol
- Instituto de Biología Molecular y Celular de Rosario-CONICET, Facultad de Ciencias Bioquímicas y Farmacéuticas, Universidad Nacional de Rosario, Suipacha 531, 2000 Rosario, Argentina.
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29
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Kamte YS, Chandwani MN, Michaels AC, O’Donnell LA. Neural Stem Cells: What Happens When They Go Viral? Viruses 2021; 13:v13081468. [PMID: 34452333 PMCID: PMC8402908 DOI: 10.3390/v13081468] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2021] [Revised: 06/22/2021] [Accepted: 06/28/2021] [Indexed: 12/25/2022] Open
Abstract
Viruses that infect the central nervous system (CNS) are associated with developmental abnormalities as well as neuropsychiatric and degenerative conditions. Many of these viruses such as Zika virus (ZIKV), cytomegalovirus (CMV), and herpes simplex virus (HSV) demonstrate tropism for neural stem cells (NSCs). NSCs are the multipotent progenitor cells of the brain that have the ability to form neurons, astrocytes, and oligodendrocytes. Viral infections often alter the function of NSCs, with profound impacts on the growth and repair of the brain. There are a wide spectrum of effects on NSCs, which differ by the type of virus, the model system, the cell types studied, and the age of the host. Thus, it is a challenge to predict and define the consequences of interactions between viruses and NSCs. The purpose of this review is to dissect the mechanisms by which viruses can affect survival, proliferation, and differentiation of NSCs. This review also sheds light on the contribution of key antiviral cytokines in the impairment of NSC activity during a viral infection, revealing a complex interplay between NSCs, viruses, and the immune system.
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African-Lineage Zika Virus Replication Dynamics and Maternal-Fetal Interface Infection in Pregnant Rhesus Macaques. J Virol 2021; 95:e0222020. [PMID: 34076485 PMCID: PMC8312872 DOI: 10.1128/jvi.02220-20] [Citation(s) in RCA: 23] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
Following the Zika virus (ZIKV) outbreak in the Americas, ZIKV was causally associated with microcephaly and a range of neurological and developmental symptoms, termed congenital Zika syndrome (CZS). The viruses responsible for this outbreak belonged to the Asian lineage of ZIKV. However, in vitro and in vivo studies assessing the pathogenesis of African-lineage ZIKV demonstrated that African-lineage isolates often replicated to high titers and caused more-severe pathology than Asian-lineage isolates. To date, the pathogenesis of African-lineage ZIKV in a translational model, particularly during pregnancy, has not been rigorously characterized. Here, we infected four pregnant rhesus macaques with a low-passage-number strain of African-lineage ZIKV and compared its pathogenesis to those for a cohort of four pregnant rhesus macaques infected with an Asian-lineage isolate and a cohort of mock-inoculated controls. The viral replication kinetics for the two experimental groups were not significantly different, and both groups developed robust neutralizing antibody titers above levels considered to be protective. There was no evidence of significant fetal head growth restriction or gross fetal harm at delivery (1 to 1.5 weeks prior to full term) in either group. However, a significantly higher burden of ZIKV viral RNA (vRNA) was found in the maternal-fetal interface tissues of the macaques exposed to an African-lineage isolate. Our findings suggest that ZIKV of any genetic lineage poses a threat to pregnant individuals and their infants. IMPORTANCE ZIKV was first identified in 1947 in Africa, but most of our knowledge of ZIKV is based on studies of the distinct Asian genetic lineage, which caused the outbreak in the Americas in 2015 to 2016. In its most recent update, the WHO stated that improved understanding of African-lineage ZIKV pathogenesis during pregnancy must be a priority. The recent detection of African-lineage isolates in Brazil underscores the need to understand the impact of these viruses. Here, we provide the first comprehensive assessment of African-lineage ZIKV infection during pregnancy in a translational nonhuman primate model. We show that African-lineage isolates replicate with kinetics similar to those of Asian-lineage isolates and can infect the placenta. However, there was no evidence of more-severe outcomes with African-lineage isolates. Our results highlight both the threat that African-lineage ZIKV poses to pregnant individuals and their infants and the need for epidemiological and translational in vivo studies with African-lineage ZIKV.
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31
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Nakayama E, Kato F, Tajima S, Ogawa S, Yan K, Takahashi K, Sato Y, Suzuki T, Kawai Y, Inagaki T, Taniguchi S, Le TT, Tang B, Prow NA, Uda A, Maeki T, Lim CK, Khromykh AA, Suhrbier A, Saijo M. Neuroinvasiveness of the MR766 strain of Zika virus in IFNAR-/- mice maps to prM residues conserved amongst African genotype viruses. PLoS Pathog 2021; 17:e1009788. [PMID: 34310650 PMCID: PMC8341709 DOI: 10.1371/journal.ppat.1009788] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/17/2020] [Revised: 08/05/2021] [Accepted: 07/07/2021] [Indexed: 12/23/2022] Open
Abstract
Zika virus (ZIKV) strains are classified into the African and Asian genotypes. The higher virulence of the African MR766 strain, which has been used extensively in ZIKV research, in adult IFNα/β receptor knockout (IFNAR-/-) mice is widely viewed as an artifact associated with mouse adaptation due to at least 146 passages in wild-type suckling mouse brains. To gain insights into the molecular determinants of MR766's virulence, a series of genes from MR766 were swapped with those from the Asian genotype PRVABC59 isolate, which is less virulent in IFNAR-/- mice. MR766 causes 100% lethal infection in IFNAR-/- mice, but when the prM gene of MR766 was replaced with that of PRVABC59, the chimera MR/PR(prM) showed 0% lethal infection. The reduced virulence was associated with reduced neuroinvasiveness, with MR766 brain titers ≈3 logs higher than those of MR/PR(prM) after subcutaneous infection, but was not significantly different in brain titers of MR766 and MR/PR(prM) after intracranial inoculation. MR/PR(prM) also showed reduced transcytosis when compared with MR766 in vitro. The high neuroinvasiveness of MR766 in IFNAR-/- mice could be linked to the 10 amino acids that differ between the prM proteins of MR766 and PRVABC59, with 5 of these changes affecting positive charge and hydrophobicity on the exposed surface of the prM protein. These 10 amino acids are highly conserved amongst African ZIKV isolates, irrespective of suckling mouse passage, arguing that the high virulence of MR766 in adult IFNAR-/- mice is not the result of mouse adaptation.
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Affiliation(s)
- Eri Nakayama
- Department of Virology I, National Institute of Infectious Diseases, Tokyo, Japan
- QIMR Berghofer Medical Research Institute, Brisbane, Queensland, Australia
| | - Fumihiro Kato
- Department of Virology I, National Institute of Infectious Diseases, Tokyo, Japan
| | - Shigeru Tajima
- Department of Virology I, National Institute of Infectious Diseases, Tokyo, Japan
| | - Shinya Ogawa
- Department of Applied Biological Chemistry, School of Agriculture and Life Sciences, The University of Tokyo, Tokyo, Japan
| | - Kexin Yan
- QIMR Berghofer Medical Research Institute, Brisbane, Queensland, Australia
| | - Kenta Takahashi
- Department of Pathology, National Institute of Infectious Diseases, Tokyo, Japan
| | - Yuko Sato
- Department of Pathology, National Institute of Infectious Diseases, Tokyo, Japan
| | - Tadaki Suzuki
- Department of Pathology, National Institute of Infectious Diseases, Tokyo, Japan
| | - Yasuhiro Kawai
- Management Department of Biosafety and Laboratory Animal, Division of Biosafety Control and Research, National Institute of Infectious Diseases, Tokyo, Japan
| | - Takuya Inagaki
- Department of Virology I, National Institute of Infectious Diseases, Tokyo, Japan
| | - Satoshi Taniguchi
- Department of Virology I, National Institute of Infectious Diseases, Tokyo, Japan
| | - Thuy T. Le
- QIMR Berghofer Medical Research Institute, Brisbane, Queensland, Australia
| | - Bing Tang
- QIMR Berghofer Medical Research Institute, Brisbane, Queensland, Australia
| | - Natalie A. Prow
- QIMR Berghofer Medical Research Institute, Brisbane, Queensland, Australia
- Australian Infectious Disease Research Centre, GVN Center of Excellence, The University of Queensland and QIMR Berghofer Medical Research Institute, Brisbane, Queensland, Australia
| | - Akihiko Uda
- Department of Veterinary Science, National Institute of Infectious Diseases, Tokyo, Japan
| | - Takahiro Maeki
- Department of Virology I, National Institute of Infectious Diseases, Tokyo, Japan
| | - Chang-Kweng Lim
- Department of Virology I, National Institute of Infectious Diseases, Tokyo, Japan
| | - Alexander A. Khromykh
- Australian Infectious Disease Research Centre, GVN Center of Excellence, The University of Queensland and QIMR Berghofer Medical Research Institute, Brisbane, Queensland, Australia
- School of Chemistry and Molecular Biosciences, The University of Queensland, Brisbane, Queensland, Australia
| | - Andreas Suhrbier
- QIMR Berghofer Medical Research Institute, Brisbane, Queensland, Australia
- Australian Infectious Disease Research Centre, GVN Center of Excellence, The University of Queensland and QIMR Berghofer Medical Research Institute, Brisbane, Queensland, Australia
| | - Masayuki Saijo
- Department of Virology I, National Institute of Infectious Diseases, Tokyo, Japan
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32
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Jiolle D, Moltini-Conclois I, Obame-Nkoghe J, Yangari P, Porciani A, Scheid B, Kengne P, Ayala D, Failloux AB, Paupy C. Experimental infections with Zika virus strains reveal high vector competence of Aedes albopictus and Aedes aegypti populations from Gabon (Central Africa) for the African virus lineage. Emerg Microbes Infect 2021; 10:1244-1253. [PMID: 34085899 PMCID: PMC8216262 DOI: 10.1080/22221751.2021.1939167] [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] [Indexed: 11/16/2022]
Abstract
The two main Zika virus (ZIKV) vectors, Aedes albopictus and Aedes aegypti (invasive and native species, respectively), are present in Gabon (Central Africa). The aim of this study was to determine the entomological ZIKV risk associated with these mosquito species in Gabon by evaluating their vector competence for an African (i.e. representative of the endemic strains circulating in sub-Saharan Africa) and two Asian (i.e. representatives of exogenous epidemic strains that could be introduced) ZIKV strains. The transmission efficiency of one Ae. aegypti and two Ae. albopictus field-collected populations from Libreville and Franceville was assayed at day 7, 14 and 21 after experimental oral infection. The two mosquito species could transmit all three ZIKV strains already at day 7 post-infection, but transmission efficiency was higher for the African strain than the non-African strains (>60% versus <14%; incubation period of 14–21 days). The two mosquito species exhibited comparable vector competence for ZIKV, although the amount of viral particles (African strain) in saliva was significantly higher in Ae. albopictus than Ae. aegypti at day 14 post-infection. These findings suggest that overall, ZIKV risk in Gabon is mainly related to virus strains that circulate endemically across sub-Saharan Africa, although the transmission of non-African strains remain possible in case of introduction. Due to its high infestation indexes and ecological/geographical ranges, this risk appears mainly associated with Ae. albopictus. Vector surveillance and control methods against this invasive mosquito must be strengthened in the region to limit the risk of future outbreaks.
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Affiliation(s)
- Davy Jiolle
- MIVEGEC Laboratory, Montpellier University, IRD, CNRS, Montpellier, France
| | | | - Judicaël Obame-Nkoghe
- Ecologie des Systèmes Vectoriels, Centre Interdisciplinaire de Recherches Médicales de Franceville, Franceville, Gabon.,Laboratoire de Biologie Moléculaire et Cellulaire, Département de Biologie, Université des Sciences et Techniques de Masuku, Franceville, Gabon
| | - Patrick Yangari
- Ecologie des Systèmes Vectoriels, Centre Interdisciplinaire de Recherches Médicales de Franceville, Franceville, Gabon
| | - Angélique Porciani
- MIVEGEC Laboratory, Montpellier University, IRD, CNRS, Montpellier, France
| | - Bethsabée Scheid
- MIVEGEC Laboratory, Montpellier University, IRD, CNRS, Montpellier, France
| | - Pierre Kengne
- MIVEGEC Laboratory, Montpellier University, IRD, CNRS, Montpellier, France.,Ecologie des Systèmes Vectoriels, Centre Interdisciplinaire de Recherches Médicales de Franceville, Franceville, Gabon
| | - Diego Ayala
- MIVEGEC Laboratory, Montpellier University, IRD, CNRS, Montpellier, France.,Ecologie des Systèmes Vectoriels, Centre Interdisciplinaire de Recherches Médicales de Franceville, Franceville, Gabon
| | | | - Christophe Paupy
- MIVEGEC Laboratory, Montpellier University, IRD, CNRS, Montpellier, France
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de Alwis R, Zellweger RM, Chua E, Wang LF, Chawla T, Sessions OM, Marlier D, Connolly JE, von Messling V, Anderson DE. Systemic inflammation, innate immunity and pathogenesis after Zika virus infection in cynomolgus macaques are modulated by strain-specificity within the Asian lineage. Emerg Microbes Infect 2021; 10:1457-1470. [PMID: 34120576 PMCID: PMC8300938 DOI: 10.1080/22221751.2021.1943536] [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] [Indexed: 02/05/2023]
Abstract
Zika virus (ZIKV) is an emerging arbovirus with recent global expansion. Historically, ZIKV infections with Asian lineages have been associated with mild disease such as rash and fever. However, recent Asian sub-lineages have caused outbreaks in the South Pacific and Latin America with increased prevalence of neurological disorders in infants and adults. Asian sub-lineage differences may partially explain the range of disease severity observed. However, the effect of Asian sub-lineage differences on pathogenesis remains poorly characterized. Current study conducts a head-to-head comparison of three Asian sub-lineages that are representative of the circulating ancestral mild Asian strain (ZIKV-SG), the 2007 epidemic French Polynesian strain (ZIKV-FP), and the 2013 epidemic Brazil strain (ZIKV-Brazil) in adult Cynomolgus macaques. Animals infected intervenously or subcutaneously with either of the three clinical isolates showed sub-lineage-specific differences in viral pathogenesis, early innate immune responses and systemic inflammation. Despite the lack of neurological symptoms in infected animals, the epidemiologically neurotropic ZIKV sub-lineages (ZIKV-Brazil and/or ZIKV-FP) were associated with more sustained viral replication, higher systemic inflammation (i.e. higher levels of TNFα, MCP-1, IL15 and G-CSF) and greater percentage of CD14+ monocytes and dendritic cells in blood. Multidimensional analysis showed clustering of ZIKV-SG away from ZIKV-Brazil and ZIKV-FP, further confirming sub-lineage differences in the measured parameters. These findings highlight greater systemic inflammation and monocyte recruitment as possible risk factors of adult ZIKV disease observed during the 2007 FP and 2013 Brazil epidemics. Future studies should explore the use of anti-inflammatory therapeutics as early treatment to prevent ZIKV-associated disease in adults.
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Affiliation(s)
- Ruklanthi de Alwis
- Programme in Emerging Infectious Diseases, Duke-NUS Medical School, Singapore.,Viral Research and Experimental Medicine Centre, SingHealth-Duke NUS, Singapore
| | | | - Edmond Chua
- Institute of Molecular and Cell Biology, A*STAR, Singapore
| | - Lin-Fa Wang
- Programme in Emerging Infectious Diseases, Duke-NUS Medical School, Singapore
| | - Tanu Chawla
- Programme in Emerging Infectious Diseases, Duke-NUS Medical School, Singapore
| | - October M Sessions
- Programme in Emerging Infectious Diseases, Duke-NUS Medical School, Singapore.,Saw Swee Hock School of Public Health, National University of Singapore, Singapore.,Department of Pharmacy, National University of Singapore, Singapore
| | - Damien Marlier
- Institute of Molecular and Cell Biology, A*STAR, Singapore
| | - John E Connolly
- Institute of Molecular and Cell Biology, A*STAR, Singapore.,Institute of Molecular and Cell Biology, Agency for Science, Technology and Research, Singapore.,Department of Microbiology and Immunology, Yong Loo Lin School of Medicine, National University of Singapore, Singapore.,Institute of Biomedical Studies, Baylor University, Waco, TX, USA
| | - Veronika von Messling
- Programme in Emerging Infectious Diseases, Duke-NUS Medical School, Singapore.,Veterinary Medicine Division, Paul-Ehrlich-Institute, Langen, Germany
| | - Danielle E Anderson
- Programme in Emerging Infectious Diseases, Duke-NUS Medical School, Singapore.,Department of Microbiology and Immunology, University of Melbourne, Peter Doherty Institute for Infection and Immunity, Melbourne, Australia
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TLR3 activation by Zika virus stimulates inflammatory cytokine production which dampens the antiviral response induced by RIG-I-like receptors. J Virol 2021; 95:JVI.01050-20. [PMID: 33658344 PMCID: PMC8139665 DOI: 10.1128/jvi.01050-20] [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: 12/17/2022] Open
Abstract
Infection with the Zika virus (ZIKV), a member of the Flaviviridae family, can cause serious neurological disorders, most notably microcephaly in newborns. Here we investigated the innate immune response to ZIKV infection in cells of the nervous system. In human neural progenitor cells (hNPCs), a target for ZIKV infection and likely involved in ZIKV-associated neuropathology, viral infection failed to elicit an antiviral interferon (IFN) response. However, pharmacological inhibition of TLR3 partially restored this deficit. Analogous results were obtained in human iPSC-derived astrocytes, which are capable of mounting a strong antiviral cytokine response. There, ZIKV is sensed by both RIG-I and MDA5 and induces an IFN response as well as expression of pro-inflammatory cytokines such as interleukin-6 (IL-6). Upon inhibition of TLR3, also in astrocytes the antiviral cytokine response was enhanced, whereas amounts of pro-inflammatory cytokines were reduced. To study the underlying mechanism, we used human epithelial cells as an easy to manipulate model system. We found that ZIKV is sensed in these cells by RIG-I to induce a robust IFN response and by TLR3 to trigger the expression of pro-inflammatory cytokines, including IL-6. ZIKV induced upregulation of IL-6 activated the STAT3 pathway, which decreased STAT1 phosphorylation in a SOCS-3 dependent manner, thus reducing the IFN response. In conclusion, we show that TLR3 activation by ZIKV suppresses IFN responses triggered by RIG-I-like receptors.ImportanceZika virus (ZIKV) has a pronounced neurotropism and infections with this virus can cause serious neurological disorders, most notably microcephaly and the Guillain-Barré syndrome. Our studies reveal that during ZIKV infection, recognition of viral RNA by TLR3 enhances the production of inflammatory cytokines and suppresses the interferon response triggered by RIG-I-like receptors (RLR) in a SOCS3-dependent manner, thus facilitating virus replication. The discovery of this crosstalk between antiviral (RLR) and inflammatory (TLR) responses may have important implications for our understanding of ZIKV-induced pathogenesis.
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35
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Machado FC, Bittar C, Rahal P, Calmon MF. Identification of differentially expressed miRNAs in human cells infected with different Zika virus strains. Arch Virol 2021; 166:1681-1689. [PMID: 33847814 DOI: 10.1007/s00705-021-05051-9] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/19/2020] [Accepted: 02/08/2021] [Indexed: 12/12/2022]
Abstract
Infection with distinct Zika virus (ZIKV) strains in in vitro and in vivo models has demonstrated that the host's response to infection is strain-dependent. There has been no analysis of the impact of infection with different ZIKV strains on miRNA expression in human cells. We investigated miRNA expression in PNT1A cells upon infection with an African ZIKV strain (MR766) and a Brazilian ZIKV strain (ZIKVBR) using PCR array. Sixteen miRNAs were modulated in PNT1A cells: six miRNAs were modulated by both strains, while a set of ten miRNAs were modulated exclusively by ZIKVBR infection. In silico analysis showed that nine significant KEGG pathways and eight significant GO terms were predicted to be enriched upon ZIKVBR infection, and these pathways were related to cancer, environmental information processing, metabolism, and extracellular matrix. Differential modulation of miRNA expression suggests that distinct strains of ZIKV can differentially modulate the host response through the action of miRNAs.
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Affiliation(s)
- Francielly Cristina Machado
- Department of Biology, IBILCE, Institute of Biosciences, Humanities and Exact Sciences, UNESP, São Paulo State University, Rua Cristóvão Colombo, 2265, Bairro Jardim Nazareth, São José do Rio Preto, SP, 15054-010, Brazil
| | - Cíntia Bittar
- Department of Biology, IBILCE, Institute of Biosciences, Humanities and Exact Sciences, UNESP, São Paulo State University, Rua Cristóvão Colombo, 2265, Bairro Jardim Nazareth, São José do Rio Preto, SP, 15054-010, Brazil
| | - Paula Rahal
- Department of Biology, IBILCE, Institute of Biosciences, Humanities and Exact Sciences, UNESP, São Paulo State University, Rua Cristóvão Colombo, 2265, Bairro Jardim Nazareth, São José do Rio Preto, SP, 15054-010, Brazil
| | - Marilia Freitas Calmon
- Department of Biology, IBILCE, Institute of Biosciences, Humanities and Exact Sciences, UNESP, São Paulo State University, Rua Cristóvão Colombo, 2265, Bairro Jardim Nazareth, São José do Rio Preto, SP, 15054-010, Brazil.
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Chen W, Foo SS, Hong E, Wu C, Lee WS, Lee SA, Evseenko D, Lopes Moreira ME, García-Sastre A, Cheng G, Nielsen-Saines K, Brasil P, Avvad-Portari E, Jung JU. Zika virus NS3 protease induces bone morphogenetic protein-dependent brain calcification in human fetuses. Nat Microbiol 2021; 6:455-466. [PMID: 33510473 PMCID: PMC8012254 DOI: 10.1038/s41564-020-00850-3] [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: 01/27/2020] [Accepted: 12/11/2020] [Indexed: 01/29/2023]
Abstract
The most frequent fetal birth defect associated with prenatal Zika virus (ZIKV) infection is brain calcification, which in turn may potentially affect neurological development in infants. Understanding the mechanism could inform the development of potential therapies against prenatal ZIKV brain calcification. In perivascular cells, bone morphogenetic protein (BMP) is an osteogenic factor that undergoes maturation to activate osteogenesis and calcification. Here, we show that ZIKV infection of cultivated primary human brain pericytes triggers BMP2 maturation, leading to osteogenic gene expression and calcification. We observed extensive calcification near ZIKV+ pericytes of fetal human brain specimens and in vertically transmitted ZIKV+ human signal transducer and activator of transcription 2-knockin mouse pup brains. ZIKV infection of primary pericytes stimulated BMP2 maturation, inducing osteogenic gene expression and calcification that were completely blocked by anti-BMP2/4 neutralizing antibody. Not only did ZIKV NS3 expression alone induce BMP2 maturation, osteogenic gene expression and calcification, but purified NS3 protease also effectively cleaved pro-BMP2 in vitro to generate biologically active mature BMP2. These findings highlight ZIKV-induced calcification where the NS3 protease subverts the BMP2-mediated osteogenic signalling pathway to trigger brain calcification.
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Affiliation(s)
- Weiqiang Chen
- Department of Cancer Biology and Global Center for Pathogens Research and Human Health, Lerner Research Institute, Cleveland Clinic, Cleveland, OH 44195, USA
| | - Suan-Sin Foo
- Department of Cancer Biology and Global Center for Pathogens Research and Human Health, Lerner Research Institute, Cleveland Clinic, Cleveland, OH 44195, USA
| | - Eunjin Hong
- Keck School of Medicine, University of Southern California, Los Angeles, CA 90033, USA
| | - Christine Wu
- Keck School of Medicine, University of Southern California, Los Angeles, CA 90033, USA
| | - Wai-Suet Lee
- Keck School of Medicine, University of Southern California, Los Angeles, CA 90033, USA
| | - Shin-Ae Lee
- Department of Cancer Biology and Global Center for Pathogens Research and Human Health, Lerner Research Institute, Cleveland Clinic, Cleveland, OH 44195, USA
| | - Denis Evseenko
- Keck School of Medicine, University of Southern California, Los Angeles, CA 90033, USA
| | - Maria Elisabeth Lopes Moreira
- Clinical Research Unit, Fernandes Figueira Institute-FioCruz, Avenida Rui Barbosa, 716, Flamengo, Rio De Janeiro, RJ CEP 22250-020, Brazil
| | - Adolfo García-Sastre
- Department of Microbiology, Icahn School of Medicine at Mount Sinai, New York, NY, USA;,Department of Medicine, Division of Infectious Diseases, Icahn School of Medicine at Mount Sinai, New York, NY, USA;,Global Health and Emerging Pathogens Institute, Icahn School of Medicine at Mount Sinai, New York, NY, USA;,The Tisch Cancer Institute, Icahn School of Medicine at Mount Sinai, New York, NY, USA
| | - Genhong Cheng
- Department of Microbiology and Molecular Genetics, David Geffen School of Medicine, University of California, Los Angeles, Marion Davies Children’s Health Center, 10833 LeConte Avenue, Los Angeles, CA 90095, USA
| | - Karin Nielsen-Saines
- Division of Pediatric Infectious Diseases, David Geffen School of Medicine, University of California, Los Angeles, Marion Davies Children’s Health Center, 10833 LeConte Avenue, Los Angeles, CA 90095, USA
| | - Patrícia Brasil
- Laboratório de Pesquisa Clínica em Doenças Febris Agudas, Instituto Nacional de Infectologia Evandro Chagas, FioCruz, 4365 Avenida Brasil, Rio de Janeiro – RJ, 21040-360, Brazil
| | - Elyzabeth Avvad-Portari
- Department of Pathology, Fernandes Figueira Institute-FioCruz, Avenida Rui Barbosa, 716, Flamengo, Rio De Janeiro, RJ CEP 22250-020, Brazil
| | - Jae U. Jung
- Department of Cancer Biology and Global Center for Pathogens Research and Human Health, Lerner Research Institute, Cleveland Clinic, Cleveland, OH 44195, USA;,Correspondence: (Jae U. Jung, PhD)
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Sofosbuvir Selects for Drug-Resistant Amino Acid Variants in the Zika Virus RNA-Dependent RNA-Polymerase Complex In Vitro. Int J Mol Sci 2021; 22:ijms22052670. [PMID: 33800884 PMCID: PMC7962015 DOI: 10.3390/ijms22052670] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/26/2021] [Revised: 02/23/2021] [Accepted: 03/03/2021] [Indexed: 01/02/2023] Open
Abstract
The nucleotide analog sofosbuvir, licensed for the treatment of hepatitis C, recently revealed activity against the Zika virus (ZIKV) in vitro and in animal models. However, the ZIKV genetic barrier to sofosbuvir has not yet been characterized. In this study, in vitro selection experiments were performed in infected human hepatoma cell lines. Increasing drug pressure significantly delayed viral breakthrough (p = 0.029). A double mutant in the NS5 gene (V360L/V607I) emerged in 3 independent experiments at 40–80 µM sofosbuvir resulting in a 3.9 ± 0.9-fold half- maximal inhibitory concentration (IC50) shift with respect to the wild type (WT) virus. A triple mutant (C269Y/V360L/V607I), detected in one experiment at 80 µM, conferred a 6.8-fold IC50 shift with respect to the WT. Molecular dynamics simulations confirmed that the double mutant V360L/V607I impacts the binding mode of sofosbuvir, supporting its role in sofosbuvir resistance. Due to the distance from the catalytic site and to the lack of reliable structural data, the contribution of C269Y was not investigated in silico. By a combination of sequence analysis, phenotypic susceptibility testing, and molecular modeling, we characterized a double ZIKV NS5 mutant with decreased sofosbuvir susceptibility. These data add important information to the profile of sofosbuvir as a possible lead for anti-ZIKV drug development.
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Bhagat R, Kaur G, Seth P. Molecular mechanisms of zika virus pathogenesis: An update. Indian J Med Res 2021; 154:433-445. [PMID: 35345069 PMCID: PMC9131805 DOI: 10.4103/ijmr.ijmr_169_20] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/22/2020] [Indexed: 01/04/2023] Open
Abstract
Zika virus (ZIKV), member of the family Flaviviridae belonging to genus Flavivirus, is an arthropod-borne virus. The ZIKV is known to cause severe congenital birth defects in neonates. Due to a large number of worldwide outbreaks and associated neurological complications with ZIKV, a public health emergency was declared by the World Health Organization on February 1, 2016. The virus exhibits neurotropism and has a specific propensity towards neural precursor cells of the developing brain. In utero ZIKV infection causes massive cell death in the developing brain resulting in various motor and cognitive disabilities in newborns. The virus modulates cell machinery at several levels to replicate itself and inhibits toll like receptors-3 signalling, deregulates microRNA circuitry and induces a chronic inflammatory response in affected cells. Several significant advances have been made to understand the mechanisms of neuropathogenesis, its prevention and treatment. The current review provides an update on cellular and molecular mechanisms of ZIKV-induced alterations in the function of various brain cells.
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Affiliation(s)
- Reshma Bhagat
- Department of Cellular & Molecular Neuroscience, National Brain Research Centre, Manesar, Gurgaon, India
- Department of Genetics, Washington University in Saint Louis, Missouri, United States of America
| | - Guneet Kaur
- Department of Cellular & Molecular Neuroscience, National Brain Research Centre, Manesar, Gurgaon, India
| | - Pankaj Seth
- Department of Cellular & Molecular Neuroscience, National Brain Research Centre, Manesar, Gurgaon, India
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Aubry F, Jacobs S, Darmuzey M, Lequime S, Delang L, Fontaine A, Jupatanakul N, Miot EF, Dabo S, Manet C, Montagutelli X, Baidaliuk A, Gámbaro F, Simon-Lorière E, Gilsoul M, Romero-Vivas CM, Cao-Lormeau VM, Jarman RG, Diagne CT, Faye O, Faye O, Sall AA, Neyts J, Nguyen L, Kaptein SJF, Lambrechts L. Recent African strains of Zika virus display higher transmissibility and fetal pathogenicity than Asian strains. Nat Commun 2021; 12:916. [PMID: 33568638 PMCID: PMC7876148 DOI: 10.1038/s41467-021-21199-z] [Citation(s) in RCA: 58] [Impact Index Per Article: 19.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/15/2020] [Accepted: 01/16/2021] [Indexed: 11/09/2022] Open
Abstract
The global emergence of Zika virus (ZIKV) revealed the unprecedented ability for a mosquito-borne virus to cause congenital birth defects. A puzzling aspect of ZIKV emergence is that all human outbreaks and birth defects to date have been exclusively associated with the Asian ZIKV lineage, despite a growing body of laboratory evidence pointing towards higher transmissibility and pathogenicity of the African ZIKV lineage. Whether this apparent paradox reflects the use of relatively old African ZIKV strains in most laboratory studies is unclear. Here, we experimentally compare seven low-passage ZIKV strains representing the recently circulating viral genetic diversity. We find that recent African ZIKV strains display higher transmissibility in mosquitoes and higher lethality in both adult and fetal mice than their Asian counterparts. We emphasize the high epidemic potential of African ZIKV strains and suggest that they could more easily go unnoticed by public health surveillance systems than Asian strains due to their propensity to cause fetal loss rather than birth defects. Here, the authors compare seven low passage Zika virus (ZIKV) strains representing the recently circulating viral genetic diversity of African and Asian strains and find that African ZIKV strains have higher transmissibility in mosquitoes and higher lethality in both adult and fetal mice.
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Affiliation(s)
- Fabien Aubry
- Insect-Virus Interactions Unit, Institut Pasteur, UMR2000, CNRS, Paris, France
| | - Sofie Jacobs
- KU Leuven Department of Microbiology, Immunology and Transplantation, Rega Institute for Medical Research, Laboratory of Virology and Chemotherapy, Leuven, Belgium
| | - Maïlis Darmuzey
- GIGA-Stem Cells/GIGA-Neurosciences, Interdisciplinary Cluster for Applied Genoproteomics (GIGA-R), C.H.U. Sart Tilman, University of Liège, Liège, Belgium
| | - Sebastian Lequime
- KU Leuven Department of Microbiology, Immunology and Transplantation, Rega Institute, Laboratory of Clinical and Epidemiological Virology, Leuven, Belgium.,Cluster of Microbial Ecology, Groningen Institute for Evolutionary Life Sciences, University of Groningen, Groningen, The Netherlands
| | - Leen Delang
- KU Leuven Department of Microbiology, Immunology and Transplantation, Rega Institute for Medical Research, Laboratory of Virology and Chemotherapy, Leuven, Belgium
| | - Albin Fontaine
- Unité Parasitologie et Entomologie, Département Microbiologie et Maladies Infectieuses, Institut de Recherche Biomédicale des Armées (IRBA), Marseille, France.,IRD, SSA, AP-HM, UMR Vecteurs-Infections Tropicales et Méditerranéennes (VITROME), Aix Marseille University, Marseille, France.,IHU Méditerranée Infection, Marseille, France
| | - Natapong Jupatanakul
- Insect-Virus Interactions Unit, Institut Pasteur, UMR2000, CNRS, Paris, France.,National Center for Genetic Engineering and Biotechnology (BIOTEC), Pathum Thani, Thailand
| | - Elliott F Miot
- Insect-Virus Interactions Unit, Institut Pasteur, UMR2000, CNRS, Paris, France
| | - Stéphanie Dabo
- Insect-Virus Interactions Unit, Institut Pasteur, UMR2000, CNRS, Paris, France
| | - Caroline Manet
- Mouse Genetics Laboratory, Institut Pasteur, Paris, France
| | | | - Artem Baidaliuk
- Insect-Virus Interactions Unit, Institut Pasteur, UMR2000, CNRS, Paris, France.,Evolutionary Genomics of RNA Viruses Group, Institut Pasteur, Paris, France
| | - Fabiana Gámbaro
- Evolutionary Genomics of RNA Viruses Group, Institut Pasteur, Paris, France
| | | | - Maxime Gilsoul
- GIGA-Stem Cells/GIGA-Neurosciences, Interdisciplinary Cluster for Applied Genoproteomics (GIGA-R), C.H.U. Sart Tilman, University of Liège, Liège, Belgium
| | - Claudia M Romero-Vivas
- Laboratorio de Enfermedades Tropicales, Departamento de Medicina, Fundación Universidad del Norte, Barranquilla, Colombia
| | | | - Richard G Jarman
- Viral Diseases Branch, Walter Reed Army Institute of Research, Silver Spring, MD, USA
| | - Cheikh T Diagne
- Arbovirus and Viral Hemorrhagic Fevers Unit, Institut Pasteur Dakar, Dakar, Senegal
| | - Oumar Faye
- Arbovirus and Viral Hemorrhagic Fevers Unit, Institut Pasteur Dakar, Dakar, Senegal
| | - Ousmane Faye
- Arbovirus and Viral Hemorrhagic Fevers Unit, Institut Pasteur Dakar, Dakar, Senegal
| | - Amadou A Sall
- Arbovirus and Viral Hemorrhagic Fevers Unit, Institut Pasteur Dakar, Dakar, Senegal
| | - Johan Neyts
- KU Leuven Department of Microbiology, Immunology and Transplantation, Rega Institute for Medical Research, Laboratory of Virology and Chemotherapy, Leuven, Belgium
| | - Laurent Nguyen
- GIGA-Stem Cells/GIGA-Neurosciences, Interdisciplinary Cluster for Applied Genoproteomics (GIGA-R), C.H.U. Sart Tilman, University of Liège, Liège, Belgium
| | - Suzanne J F Kaptein
- KU Leuven Department of Microbiology, Immunology and Transplantation, Rega Institute for Medical Research, Laboratory of Virology and Chemotherapy, Leuven, Belgium.
| | - Louis Lambrechts
- Insect-Virus Interactions Unit, Institut Pasteur, UMR2000, CNRS, Paris, France.
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40
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Schouest B, Peterson TA, Szeltner DM, Scheef EA, Baddoo M, Ungerleider N, Flemington EK, MacLean AG, Maness NJ. Transcriptional signatures of Zika virus infection in astrocytes. J Neurovirol 2021; 27:116-125. [PMID: 33405202 PMCID: PMC7921019 DOI: 10.1007/s13365-020-00931-3] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2020] [Revised: 11/09/2020] [Accepted: 12/02/2020] [Indexed: 01/18/2023]
Abstract
Astrocytes are an early and important target of Zika virus (ZIKV) infection in the developing brain, but the impacts of infection on astrocyte function remain controversial. Given that nonhuman primate (NHP) models of ZIKV infection replicate aspects of neurologic disease seen in human infections, we cultured primary astrocytes from the brain tissue of infant rhesus macaques and then infected the cells with Asian or African lineage ZIKV to identify transcriptional patterns associated with infection in these cells. The African lineage virus appeared to have greater infectivity and promote stronger antiviral signaling, but infection by either strain ultimately produced typical virus response patterns. Both viruses induced hypoxic stress, but the Asian lineage strain additionally had an effect on metabolic and lipid biosynthesis pathways. Together, these findings describe an NHP astrocyte model that may be used to assess transcriptional signatures following ZIKV infection.
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Affiliation(s)
- Blake Schouest
- Tulane National Primate Research Center, Tulane University, Covington, LA, USA
- Biomedical Sciences Training Program, Tulane University School of Medicine, New Orleans, LA, USA
| | - Tiffany A Peterson
- Tulane National Primate Research Center, Tulane University, Covington, LA, USA
- Biomedical Sciences Training Program, Tulane University School of Medicine, New Orleans, LA, USA
| | - Dawn M Szeltner
- Tulane National Primate Research Center, Tulane University, Covington, LA, USA
| | - Elizabeth A Scheef
- Tulane National Primate Research Center, Tulane University, Covington, LA, USA
| | - Melody Baddoo
- Department of Pathology and Laboratory Medicine, Tulane University School of Medicine, New Orleans, LA, USA
| | - Nathan Ungerleider
- Department of Pathology and Laboratory Medicine, Tulane University School of Medicine, New Orleans, LA, USA
| | - Erik K Flemington
- Department of Pathology and Laboratory Medicine, Tulane University School of Medicine, New Orleans, LA, USA
| | - Andrew G MacLean
- Tulane National Primate Research Center, Tulane University, Covington, LA, USA
- Department of Microbiology and Immunology, Tulane University School of Medicine, New Orleans, LA, USA
| | - Nicholas J Maness
- Tulane National Primate Research Center, Tulane University, Covington, LA, USA.
- Department of Microbiology and Immunology, Tulane University School of Medicine, New Orleans, LA, USA.
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41
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Clé M, Constant O, Barthelemy J, Desmetz C, Martin MF, Lapeyre L, Cadar D, Savini G, Teodori L, Monaco F, Schmidt-Chanasit J, Saiz JC, Gonzales G, Lecollinet S, Beck C, Gosselet F, Van de Perre P, Foulongne V, Salinas S, Simonin Y. Differential neurovirulence of Usutu virus lineages in mice and neuronal cells. J Neuroinflammation 2021; 18:11. [PMID: 33407600 PMCID: PMC7789689 DOI: 10.1186/s12974-020-02060-4] [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: 08/18/2020] [Accepted: 12/11/2020] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND Usutu virus (USUV) is an emerging neurotropic arthropod-borne virus recently involved in massive die offs of wild birds predominantly reported in Europe. Although primarily asymptomatic or presenting mild clinical signs, humans infected by USUV can develop neuroinvasive pathologies (including encephalitis and meningoencephalitis). Similar to other flaviviruses, such as West Nile virus, USUV is capable of reaching the central nervous system. However, the neuropathogenesis of USUV is still poorly understood, and the virulence of the specific USUV lineages is currently unknown. One of the major complexities of the study of USUV pathogenesis is the presence of a great diversity of lineages circulating at the same time and in the same location. METHODS The aim of this work was to determine the neurovirulence of isolates from the six main lineages circulating in Europe using mouse model and several neuronal cell lines (neurons, microglia, pericytes, brain endothelial cells, astrocytes, and in vitro Blood-Brain Barrier model). RESULTS Our results indicate that all strains are neurotropic but have different virulence profiles. The Europe 2 strain, previously described as being involved in several clinical cases, induced the shortest survival time and highest mortality in vivo and appeared to be more virulent and persistent in microglial, astrocytes, and brain endothelial cells, while also inducing an atypical cytopathic effect. Moreover, an amino acid substitution (D3425E) was specifically identified in the RNA-dependent RNA polymerase domain of the NS5 protein of this lineage. CONCLUSIONS Altogether, these data show a broad neurotropism for USUV in the central nervous system with lineage-dependent virulence. Our results will help to better understand the biological and epidemiological diversity of USUV infection.
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Affiliation(s)
- Marion Clé
- Pathogenesis and Control of Chronic Infections, Université de Montpellier, INSERM, EFS, Montpellier, France
| | - Orianne Constant
- Pathogenesis and Control of Chronic Infections, Université de Montpellier, INSERM, EFS, Montpellier, France
| | - Jonathan Barthelemy
- Pathogenesis and Control of Chronic Infections, Université de Montpellier, INSERM, EFS, Montpellier, France
| | - Caroline Desmetz
- BioCommunication en CardioMétabolique (BC2M), Montpellier University, Montpellier, France
| | - Marie France Martin
- Université de Montpellier, CNRS, Viral Trafficking, Restriction and Innate Signaling, Montpellier, France
| | - Lina Lapeyre
- Université de Montpellier, CNRS, Viral Trafficking, Restriction and Innate Signaling, Montpellier, France
| | - Daniel Cadar
- Bernhard Nocht Institute for Tropical Medicine, WHO Collaborating Centre for Arbovirus and Haemorrhagic Fever Reference and Research, 20359, Hamburg, Germany
| | - Giovanni Savini
- OIE Reference Centre for West Nile Disease, Istituto Zooprofilattico Sperimentale "G. Caporale", 46100, Teramo, Italy
| | - Liana Teodori
- OIE Reference Centre for West Nile Disease, Istituto Zooprofilattico Sperimentale "G. Caporale", 46100, Teramo, Italy
| | - Federica Monaco
- OIE Reference Centre for West Nile Disease, Istituto Zooprofilattico Sperimentale "G. Caporale", 46100, Teramo, Italy
| | - Jonas Schmidt-Chanasit
- Bernhard Nocht Institute for Tropical Medicine, WHO Collaborating Centre for Arbovirus and Haemorrhagic Fever Reference and Research, 20359, Hamburg, Germany
- Faculty of Mathematics, Informatics and Natural Sciences, Universität Hamburg, 20148, Hamburg, Germany
| | | | - Gaëlle Gonzales
- UPE, Anses Animal Health Laboratory, UMR1161 Virology, INRA, Anses, ENVA, Maisons-Alfort, France
| | - Sylvie Lecollinet
- UPE, Anses Animal Health Laboratory, UMR1161 Virology, INRA, Anses, ENVA, Maisons-Alfort, France
| | - Cécile Beck
- UPE, Anses Animal Health Laboratory, UMR1161 Virology, INRA, Anses, ENVA, Maisons-Alfort, France
| | - Fabien Gosselet
- Blood-Brain Barrier Laboratory (BBB Lab), University of Artois, UR2465, F-62300, Lens, France
| | - Philippe Van de Perre
- Pathogenesis and Control of Chronic Infections, Université de Montpellier, INSERM, EFS, Montpellier, France
- Centre Hospitalier Universitaire de Montpellier, Montpellier, France
| | - Vincent Foulongne
- Pathogenesis and Control of Chronic Infections, Université de Montpellier, INSERM, EFS, Montpellier, France
- Centre Hospitalier Universitaire de Montpellier, Montpellier, France
| | - Sara Salinas
- Pathogenesis and Control of Chronic Infections, Université de Montpellier, INSERM, EFS, Montpellier, France
| | - Yannick Simonin
- Pathogenesis and Control of Chronic Infections, Université de Montpellier, INSERM, EFS, Montpellier, France.
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42
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Silva IBB, da Silva AS, Cunha MS, Cabral AD, de Oliveira KCA, Gaspari ED, Prudencio CR. Zika virus serological diagnosis: commercial tests and monoclonal antibodies as tools. J Venom Anim Toxins Incl Trop Dis 2020; 26:e20200019. [PMID: 33281886 PMCID: PMC7685096 DOI: 10.1590/1678-9199-jvatitd-2020-0019] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022] Open
Abstract
Zika virus (ZIKV), an emerging arthropod-borne virus (arbovirus) of the Flaviviridae family, is a current issue worldwide, particularly because of the congenital and neurological syndromes associated with infection by this virus. As the initial clinical symptoms of all diseases caused by this group are very similar, clinical diagnosis is difficult. Furthermore, laboratory diagnostic efforts have failed to identify specific and accurate tests for each virus of the Flaviviridae family due to the cross-reactivity of these viruses in serum samples. This situation has resulted in underreporting of the diseases caused by flaviviruses. However, many companies developed commercial diagnostic tests after the recent ZIKV outbreak. Moreover, health regulatory agencies have approved different commercial tests to extend the monitoring of ZIKV infections. Considering that a specific and sensitive diagnostic method for estimating risk and evaluating ZIKV propagation is still needed, this review aims to provide an update of the main commercially approved serological diagnostics test by the US Food and Drug Administration (FDA) and Brazilian National Health Surveillance Agency (ANVISA). Additionally, we present the technologies used for monoclonal antibody production as a tool for the development of diagnostic tests and applications of these antibodies in detecting ZIKV infections worldwide.
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Affiliation(s)
- Isaura Beatriz Borges Silva
- Center of Immunology, Adolfo Lutz Institute, São Paulo, SP, Brazil.,Interunits Graduate Program in Biotechnology, University of São Paulo (USP), São Paulo, SP, Brazil
| | | | | | | | | | - Elizabeth De Gaspari
- Center of Immunology, Adolfo Lutz Institute, São Paulo, SP, Brazil.,Interunits Graduate Program in Biotechnology, University of São Paulo (USP), São Paulo, SP, Brazil
| | - Carlos Roberto Prudencio
- Center of Immunology, Adolfo Lutz Institute, São Paulo, SP, Brazil.,Interunits Graduate Program in Biotechnology, University of São Paulo (USP), São Paulo, SP, Brazil
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43
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Biological Characteristics and Patterns of Codon Usage Evolution for the African Genotype Zika Virus. Viruses 2020; 12:v12111306. [PMID: 33202554 PMCID: PMC7696518 DOI: 10.3390/v12111306] [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: 09/08/2020] [Revised: 10/11/2020] [Accepted: 10/12/2020] [Indexed: 11/17/2022] Open
Abstract
We investigated temporal trends of codon usage changes for different host species to determine their importance in Zika virus (ZIKV) evolution. Viral spillover resulting from the potential of codon adaptation to host genome was also assessed for the African genotype ZIKV in comparison to the Asian genotype. To improve our understanding on its zoonotic maintenance, we evaluated in vitro the biological properties of the African genotype ZIKV in vertebrate and mosquito cell lines. Analyses were performed in comparison to Yellow fever virus (YFV). Despite significantly lower codon adaptation index trends than YFV, ZIKV showed evident codon adaptation to vertebrate hosts, particularly for the green African monkey Chlorocebus aethiops. PCA and CAI analyses at the individual ZIKV gene level for both human and Aedes aegypti indicated a clear distinction between the two genotypes. African ZIKV isolates showed higher virulence in mosquito cells than in vertebrate cells. Their higher replication in mosquito cells than African YFV confirmed the role of mosquitoes in the natural maintenance of the African genotype ZIKV. An analysis of individual strain growth characteristics indicated that the widely used reference strain MR766 replicates poorly in comparison to African ZIKV isolates. The recombinant African Zika virus strain ArD128000*E/NS5 may be a good model to include in studies on the mechanism of host tropism, as it cannot replicate in the tested vertebrate cell line.
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44
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Tabari D, Scholl C, Steffens M, Weickhardt S, Elgner F, Bender D, Herrlein ML, Sabino C, Semkova V, Peitz M, Till A, Brüstle O, Hildt E, Stingl J. Impact of Zika Virus Infection on Human Neural Stem Cell MicroRNA Signatures. Viruses 2020; 12:E1219. [PMID: 33121145 PMCID: PMC7693339 DOI: 10.3390/v12111219] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/09/2020] [Revised: 10/09/2020] [Accepted: 10/23/2020] [Indexed: 12/11/2022] Open
Abstract
Zika virus (ZIKV) is a mosquito-borne virus, which can cause brain abnormalities in newborns, including microcephaly. MicroRNAs (miRNAs) are small non-coding RNAs, which post- transcriptionally regulate gene expression. They are involved in various processes including neurological development and host responses to viral infection, but their potential role in ZIKV pathogenesis remains poorly understood. MiRNAs can be incorporated into extracellular vesicles (EVs) and mediate cell-to-cell communication. While it is well known that in viral infections EVs carrying miRNAs can play a crucial role in disease pathogenesis, ZIKV effects on EV-delivered miRNAs and their contribution to ZIKV pathogenesis have not been elucidated. In the present study, we profiled intracellular and EV-derived miRNAs by next generation sequencing and analyzed the host mRNA transcriptome of neural stem cells during infection with ZIKV Uganda and French Polynesia strains. We identified numerous miRNAs, including miR-4792, which were dysregulated at the intracellular level and had altered levels in EVs during ZIKV infection. Integrated analyses of differentially expressed genes and miRNAs showed that ZIKV infection had an impact on processes associated with neurodevelopment and oxidative stress. Our results provide insights into the roles of intracellular and EV-associated host miRNAs in ZIKV pathogenesis.
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Affiliation(s)
- Denna Tabari
- Research Division, Federal Institute for Drugs and Medical Devices, 53175 Bonn, Germany; (D.T.); (M.S.); (S.W.)
| | - Catharina Scholl
- Research Division, Federal Institute for Drugs and Medical Devices, 53175 Bonn, Germany; (D.T.); (M.S.); (S.W.)
| | - Michael Steffens
- Research Division, Federal Institute for Drugs and Medical Devices, 53175 Bonn, Germany; (D.T.); (M.S.); (S.W.)
| | - Sandra Weickhardt
- Research Division, Federal Institute for Drugs and Medical Devices, 53175 Bonn, Germany; (D.T.); (M.S.); (S.W.)
| | - Fabian Elgner
- Department of Virology, Paul-Ehrlich-Institut, 63225 Langen, Germany; (F.E.); (D.B.); (M.-L.H.); (C.S.); (E.H.)
| | - Daniela Bender
- Department of Virology, Paul-Ehrlich-Institut, 63225 Langen, Germany; (F.E.); (D.B.); (M.-L.H.); (C.S.); (E.H.)
| | - Marie-Luise Herrlein
- Department of Virology, Paul-Ehrlich-Institut, 63225 Langen, Germany; (F.E.); (D.B.); (M.-L.H.); (C.S.); (E.H.)
| | - Catarina Sabino
- Department of Virology, Paul-Ehrlich-Institut, 63225 Langen, Germany; (F.E.); (D.B.); (M.-L.H.); (C.S.); (E.H.)
| | - Vesselina Semkova
- Institute of Reconstructive Neurobiology, LIFE & BRAIN Center, University of Bonn Medical Faculty & University Hospital Bonn, 53127 Bonn, Germany; (V.S.); (M.P.); (A.T.); (O.B.)
| | - Michael Peitz
- Institute of Reconstructive Neurobiology, LIFE & BRAIN Center, University of Bonn Medical Faculty & University Hospital Bonn, 53127 Bonn, Germany; (V.S.); (M.P.); (A.T.); (O.B.)
- Cell Programming Core Facility, Medical Faculty, University of Bonn, 53172 Bonn, Germany
| | - Andreas Till
- Institute of Reconstructive Neurobiology, LIFE & BRAIN Center, University of Bonn Medical Faculty & University Hospital Bonn, 53127 Bonn, Germany; (V.S.); (M.P.); (A.T.); (O.B.)
| | - Oliver Brüstle
- Institute of Reconstructive Neurobiology, LIFE & BRAIN Center, University of Bonn Medical Faculty & University Hospital Bonn, 53127 Bonn, Germany; (V.S.); (M.P.); (A.T.); (O.B.)
| | - Eberhard Hildt
- Department of Virology, Paul-Ehrlich-Institut, 63225 Langen, Germany; (F.E.); (D.B.); (M.-L.H.); (C.S.); (E.H.)
| | - Julia Stingl
- Department of Clinical Pharmacology, University Hospital, RWTH Aachen University, 52074 Aachen, Germany;
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Silva NM, Santos NC, Martins IC. Dengue and Zika Viruses: Epidemiological History, Potential Therapies, and Promising Vaccines. Trop Med Infect Dis 2020; 5:E150. [PMID: 32977703 PMCID: PMC7709709 DOI: 10.3390/tropicalmed5040150] [Citation(s) in RCA: 32] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2020] [Revised: 09/05/2020] [Accepted: 09/15/2020] [Indexed: 12/14/2022] Open
Abstract
Dengue virus (DENV), which can lead to fatal hemorrhagic fever, affects 390 million people worldwide. The closely related Zika virus (ZIKV) causes microcephaly in newborns and Guillain-Barré syndrome in adults. Both viruses are mostly transmitted by Aedes albopictus and Aedes aegypti mosquitoes, which, due to globalization of trade and travel alongside climate change, are spreading worldwide, paving the way to DENV and ZIKV transmission and the occurrence of new epidemics. Local outbreaks have already occurred in temperate climates, even in Europe. As there are no specific treatments, these viruses are an international public health concern. Here, we analyze and discuss DENV and ZIKV outbreaks history, clinical and pathogenesis features, and modes of transmission, supplementing with information on advances on potential therapies and restraining measures. Taking advantage of the knowledge of the structure and biological function of the capsid (C) protein, a relatively conserved protein among flaviviruses, within a genus that includes DENV and ZIKV, we designed and patented a new drug lead, pep14-23 (WO2008/028939A1). It was demonstrated that it inhibits the interaction of DENV C protein with the host lipid system, a process essential for viral replication. Such an approach can be used to develop new therapies for related viruses, such as ZIKV.
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Affiliation(s)
| | - Nuno C. Santos
- Instituto de Medicina Molecular, Faculdade de Medicina, Universidade de Lisboa, Av. Prof. Egas Moniz, 1649-028 Lisbon, Portugal;
| | - Ivo C. Martins
- Instituto de Medicina Molecular, Faculdade de Medicina, Universidade de Lisboa, Av. Prof. Egas Moniz, 1649-028 Lisbon, Portugal;
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Zika Virus Infection Promotes Local Inflammation, Cell Adhesion Molecule Upregulation, and Leukocyte Recruitment at the Blood-Brain Barrier. mBio 2020; 11:mBio.01183-20. [PMID: 32753493 PMCID: PMC7407083 DOI: 10.1128/mbio.01183-20] [Citation(s) in RCA: 39] [Impact Index Per Article: 9.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022] Open
Abstract
The blood-brain barrier (BBB) largely prevents toxins and pathogens from accessing the brain. Some viruses have the ability to cross this barrier and replicate in the central nervous system (CNS). Zika virus (ZIKV) was responsible in 2015 to 2016 for a major epidemic in South America and was associated in some cases with neurological impairments. Here, we characterized some of the mechanisms behind its neuroinvasion using an innovative in vitro human BBB model. ZIKV efficiently replicated, was released on the BBB parenchyma side, and triggered subtle modulation of BBB integrity as well as an upregulation of inflammatory and cell adhesion molecules (CAMs), which in turn favored leukocyte recruitment. Finally, we showed that ZIKV-infected mouse models displayed similar CAM upregulation and that soluble CAMs were increased in plasma samples from ZIKV-infected patients. Our observations suggest a complex interplay between ZIKV and the BBB, which may trigger local inflammation, leukocyte recruitment, and possible cerebral vasculature impairment.IMPORTANCE Zika virus (ZIKV) can be associated with neurological impairment in children and adults. To reach the central nervous system, viruses have to cross the blood-brain barrier (BBB), a multicellular system allowing a tight separation between the bloodstream and the brain. Here, we show that ZIKV infects cells of the BBB and triggers a subtle change in its permeability. Moreover, ZIKV infection leads to the production of inflammatory molecules known to modulate BBB integrity and participate in immune cell attraction. The virus also led to the upregulation of cellular adhesion molecules (CAMs), which in turn favored immune cell binding to the BBB and potentially increased infiltration into the brain. These results were also observed in a mouse model of ZIKV infection. Furthermore, plasma samples from ZIKV-infected patients displayed an increase in CAMs, suggesting that this mechanism could be involved in neuroinflammation triggered by ZIKV.
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I. Sardi S, H. Carvalho R, C. Pacheco LG, P. d. Almeida JP, M. d. A. Belitardo EM, S. Pinheiro C, S. Campos G, R. G. R. Aguiar E. High-Quality Resolution of the Outbreak-Related Zika Virus Genome and Discovery of New Viruses Using Ion Torrent-Based Metatranscriptomics. Viruses 2020; 12:v12070782. [PMID: 32708079 PMCID: PMC7411838 DOI: 10.3390/v12070782] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2020] [Revised: 05/15/2020] [Accepted: 05/20/2020] [Indexed: 01/13/2023] Open
Abstract
Arboviruses, including the Zika virus, have recently emerged as one of the most important threats to human health. The use of metagenomics-based approaches has already proven valuable to aid surveillance of arboviral infections, and the ability to reconstruct complete viral genomes from metatranscriptomics data is key to the development of new control strategies for these diseases. Herein, we used RNA-based metatranscriptomics associated with Ion Torrent deep sequencing to allow for the high-quality reconstitution of an outbreak-related Zika virus (ZIKV) genome (10,739 nt), with extended 5'-UTR and 3'-UTR regions, using a newly-implemented bioinformatics approach. Besides allowing for the assembly of one of the largest complete ZIKV genomes to date, our strategy also yielded high-quality complete genomes of two arthropod-infecting viruses co-infecting C6/36 cell lines, namely: Alphamesonivirus 1 strain Salvador (20,194 nt) and Aedes albopictus totivirus-like (4618 nt); the latter likely represents a new viral species. Altogether, our results demonstrate that our bioinformatics approach associated with Ion Torrent sequencing allows for the high-quality reconstruction of known and unknown viral genomes, overcoming the main limitation of RNA deep sequencing for virus identification.
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Affiliation(s)
- Silvia I. Sardi
- Laboratory of Virology, Instituto de Ciências da Saúde, Universidade Federal da Bahia, Salvador, Bahia 40.110-100, Brazil; (S.I.S.); (R.H.C.); (G.S.C.)
| | - Rejane H. Carvalho
- Laboratory of Virology, Instituto de Ciências da Saúde, Universidade Federal da Bahia, Salvador, Bahia 40.110-100, Brazil; (S.I.S.); (R.H.C.); (G.S.C.)
| | - Luis G. C. Pacheco
- Post-Graduate Program in Biotechnology, Instituto de Ciências da Saúde, Universidade Federal da Bahia, Salvador, Bahia 40.110-100, Brazil; (L.G.C.P.); (C.S.P.)
| | - João P. P. d. Almeida
- Department of Biochemistry and Immunology, Instituto de Ciências Biológicas, Universidade Federal de Minas Gerais, Belo Horizonte (UFMG), Minas Gerais 31270-901, Brazil;
| | - Emilia M. M. d. A. Belitardo
- Post-Graduate Program in Immunology, Instituto de Ciências da Saúde, Universidade Federal da Bahia, Salvador, Bahia 40.110-100, Brazil;
| | - Carina S. Pinheiro
- Post-Graduate Program in Biotechnology, Instituto de Ciências da Saúde, Universidade Federal da Bahia, Salvador, Bahia 40.110-100, Brazil; (L.G.C.P.); (C.S.P.)
| | - Gúbio S. Campos
- Laboratory of Virology, Instituto de Ciências da Saúde, Universidade Federal da Bahia, Salvador, Bahia 40.110-100, Brazil; (S.I.S.); (R.H.C.); (G.S.C.)
| | - Eric R. G. R. Aguiar
- Post-Graduate Program in Biotechnology, Instituto de Ciências da Saúde, Universidade Federal da Bahia, Salvador, Bahia 40.110-100, Brazil; (L.G.C.P.); (C.S.P.)
- Virus Bioinformatics Laboratory, Department of Biological Science (DCB), Center of Biotechnology and Genetics (CBG), State University of Santa Cruz (UESC), Rodovia Ilhéus-Itabuna km 16, Ilhéus, Bahia 45652-900, Brazil
- Correspondence:
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Zika Virus in West Africa: A Seroepidemiological Study between 2007 and 2012. Viruses 2020; 12:v12060641. [PMID: 32545775 PMCID: PMC7354557 DOI: 10.3390/v12060641] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/20/2020] [Revised: 06/03/2020] [Accepted: 06/11/2020] [Indexed: 11/17/2022] Open
Abstract
According to the World Health Organization, the entire African continent is at risk of a Zika outbreak. To increase data availability on the epidemiology of Zika virus circulation in Africa, we evaluated the immunity to Zika virus in a selected cohort of subjects from West Africa between 2007 and 2012. Human serum samples were collected in 2007 and in 2011/2012 from a cohort of 2-29-year-old subjects from Mali, Senegal, and The Gambia. A sample that tested positive by Zika virus IgG ELISA and by Zika virus microneutralization test was defined as positive. In 2007, the highest prevalence was 21.9%, found in Senegal among 18-29-year-old subjects. In 2011/2012, the highest prevalence, 22.7%, was found still in Senegal, but in 11-17-year-old subjects. During both study periods, the lowest prevalence was found in Mali, where few positive cases were found only in 18-29-year-old subjects. The Gambia showed an intermediate prevalence. In the three countries, prevalence was strongly associated with increasing age. This study contributes to understanding Zika virus circulation within three different ecological and demographic contexts with scarce or no data currently available. Results showed that Zika virus circulated actively in West Africa between the period 2007 and 2011/2012, but with some geographic specificity.
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Gobillot TA, Humes D, Sharma A, Kikawa C, Overbaugh J. The Robust Restriction of Zika Virus by Type-I Interferon in A549 Cells Varies by Viral Lineage and Is Not Determined by IFITM3. Viruses 2020; 12:v12050503. [PMID: 32370187 PMCID: PMC7290589 DOI: 10.3390/v12050503] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/09/2020] [Revised: 04/29/2020] [Accepted: 04/30/2020] [Indexed: 12/18/2022] Open
Abstract
Type-I interferon (IFN-I) is a major antiviral host response but its impact on Zika virus (ZIKV) replication is not well defined, particularly as it relates to different circulating strains. Interferon stimulated genes (ISGs) that inhibit ZIKV, such as IFITM3, have been identified largely using overexpression studies. Here, we tested whether diverse ZIKV strains differed in their susceptibility to IFN-I-mediated restriction and the contribution of IFITM3 to this restriction. We identified a robust IFN-I-mediated antiviral effect on ZIKV replication (>100-fold reduction) in A549 cells, a commonly used cell line to study ZIKV replication. The extent of inhibition depended on the IFN-I type and the virus strain tested. Viruses from the American pathogenic outbreak were more sensitive to IFNα (p = 0.049) and IFNβ (p = 0.09) than African-lineage strains, which have not been linked to severe pathogenesis. Knocking out IFITM3 expression did not dampen the IFN-I antiviral effect and only high overexpression of IFITM3 led to ZIKV inhibition. Moreover, IFITM3 expression levels in different cells were not associated with IFN-mediated ZIKV inhibition. Taken together, our findings indicate that there is a robust IFN-I-mediated antiviral effect on ZIKV infection, particularly for American viruses, that is not due to IFITM3. A549 cells, which are a commonly used cell line to study ZIKV replication, present an opportunity for the discovery of novel antiviral ISGs against ZIKV.
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Affiliation(s)
- Theodore A. Gobillot
- Division of Human Biology, Fred Hutchinson Cancer Research Center, Seattle, WA 98109, USA; (T.A.G.); (D.H.); (A.S.); (C.K.)
- Medical Scientist Training Program, University of Washington School of Medicine, Seattle, WA 98195, USA
| | - Daryl Humes
- Division of Human Biology, Fred Hutchinson Cancer Research Center, Seattle, WA 98109, USA; (T.A.G.); (D.H.); (A.S.); (C.K.)
| | - Amit Sharma
- Division of Human Biology, Fred Hutchinson Cancer Research Center, Seattle, WA 98109, USA; (T.A.G.); (D.H.); (A.S.); (C.K.)
| | - Caroline Kikawa
- Division of Human Biology, Fred Hutchinson Cancer Research Center, Seattle, WA 98109, USA; (T.A.G.); (D.H.); (A.S.); (C.K.)
| | - Julie Overbaugh
- Division of Human Biology, Fred Hutchinson Cancer Research Center, Seattle, WA 98109, USA; (T.A.G.); (D.H.); (A.S.); (C.K.)
- Correspondence:
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Chen Y, Li Y, Wang X, Zou P. Montelukast, an Anti-asthmatic Drug, Inhibits Zika Virus Infection by Disrupting Viral Integrity. Front Microbiol 2020; 10:3079. [PMID: 32082265 PMCID: PMC7002393 DOI: 10.3389/fmicb.2019.03079] [Citation(s) in RCA: 21] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2019] [Accepted: 12/19/2019] [Indexed: 12/25/2022] Open
Abstract
The association of Zika virus (ZIKV) infection and severe complications including neurological sequelae especially fetal microcephaly has aroused global attentions since its outbreak in 2015. Currently, there are no vaccines or therapeutic drugs clinically approved for treatments of ZIKV infection, however. And the drugs used for treating ZIKV in pregnant women require a higher safety profile. Here, we identified an anti-asthmatic drug, montelukast, which is of safety profile for pregnant women and exhibited antiviral efficacy against ZIKV infection in vitro and in vivo. And we showed that montelukast could disrupt the integrity of the virions to release the viral genomic RNA, hence irreversibly inhibiting viral infectivity. In consideration of the neuro-protective activity that montelukast possessed, which was previously reported, it is promising that montelukast could be used for patients with ZIKV infection, particularly for pregnant women.
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Affiliation(s)
| | | | | | - Peng Zou
- Shanghai Public Health Clinical Center, Fudan University, Shanghai, China
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