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Souza LRQ, Pedrosa CGDS, Puig-Pijuan T, da Silva Dos Santos C, Vitória G, Delou JMA, Setti-Perdigão P, Higa LM, Tanuri A, Rehen SK, Guimarães MZP. Saxitoxin potentiates human neuronal cell death induced by Zika virus while sparing neural progenitors and astrocytes. Sci Rep 2024; 14:22809. [PMID: 39354036 PMCID: PMC11445263 DOI: 10.1038/s41598-024-73873-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2024] [Accepted: 09/23/2024] [Indexed: 10/04/2024] Open
Abstract
The Zika virus (ZIKV) epidemic declared in Brazil between 2015 and 2016 was associated with an increased prevalence of severe congenital malformations, including microcephaly. The distribution of microcephaly cases was not uniform across the country, with a disproportionately higher incidence in the Northeast region (NE). Our previous work demonstrated that saxitoxin (STX), a toxin present in the drinking water reservoirs of the NE, exacerbated the damaging effects of ZIKV on the developing brain. We hypothesized that the impact of STX might vary among different neural cell types. While ZIKV infection caused severe damages on astrocytes and neural stem cells (NSCs), the addition of STX did not exacerbate these effects. We observed that neurons subjected to STX exposure were more prone to apoptosis and displayed higher ZIKV infection rate. These findings suggest that STX exacerbates the harmful effects of ZIKV on neurons, thereby providing a plausible explanation for the heightened severity of ZIKV-induced congenital malformations observed in Brazil's NE. This study highlights the importance of understanding the interactive effects of environmental toxins and infectious pathogens on neural development, with potential implications for public health policies.
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Affiliation(s)
- Leticia R Q Souza
- Instituto D'Or de Pesquisa e Ensino, Rua Diniz Cordeiro, 30, Rio de Janeiro, CEP 22281-100, Brazil
| | - Carolina G da S Pedrosa
- Instituto D'Or de Pesquisa e Ensino, Rua Diniz Cordeiro, 30, Rio de Janeiro, CEP 22281-100, Brazil
| | - Teresa Puig-Pijuan
- Instituto D'Or de Pesquisa e Ensino, Rua Diniz Cordeiro, 30, Rio de Janeiro, CEP 22281-100, Brazil
| | | | - Gabriela Vitória
- Instituto D'Or de Pesquisa e Ensino, Rua Diniz Cordeiro, 30, Rio de Janeiro, CEP 22281-100, Brazil
| | - João M A Delou
- Instituto D'Or de Pesquisa e Ensino, Rua Diniz Cordeiro, 30, Rio de Janeiro, CEP 22281-100, Brazil
| | - Pedro Setti-Perdigão
- Instituto D'Or de Pesquisa e Ensino, Rua Diniz Cordeiro, 30, Rio de Janeiro, CEP 22281-100, Brazil
| | - Luiza M Higa
- Departamento de Genética, Instituto de Biologia, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brasil
| | - Amilcar Tanuri
- Departamento de Genética, Instituto de Biologia, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brasil
| | - Stevens Kastrup Rehen
- Instituto D'Or de Pesquisa e Ensino, Rua Diniz Cordeiro, 30, Rio de Janeiro, CEP 22281-100, Brazil
- Departamento de Genética, Instituto de Biologia, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brasil
| | - Marília Zaluar P Guimarães
- Instituto D'Or de Pesquisa e Ensino, Rua Diniz Cordeiro, 30, Rio de Janeiro, CEP 22281-100, Brazil.
- Instituto de Ciências Biomédicas, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brasil.
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Joyce JD, Moore GA, Goswami P, Harrell TL, Taylor TM, Hawks SA, Green JC, Jia M, Irwin MD, Leslie E, Duggal NK, Thompson CK, Bertke AS. SARS-CoV-2 Rapidly Infects Peripheral Sensory and Autonomic Neurons, Contributing to Central Nervous System Neuroinvasion before Viremia. Int J Mol Sci 2024; 25:8245. [PMID: 39125815 PMCID: PMC11311394 DOI: 10.3390/ijms25158245] [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: 05/21/2024] [Revised: 07/17/2024] [Accepted: 07/22/2024] [Indexed: 08/12/2024] Open
Abstract
Neurological symptoms associated with COVID-19, acute and long term, suggest SARS-CoV-2 affects both the peripheral and central nervous systems (PNS/CNS). Although studies have shown olfactory and hematogenous invasion into the CNS, coinciding with neuroinflammation, little attention has been paid to susceptibility of the PNS to infection or to its contribution to CNS invasion. Here we show that sensory and autonomic neurons in the PNS are susceptible to productive infection with SARS-CoV-2 and outline physiological and molecular mechanisms mediating neuroinvasion. Our infection of K18-hACE2 mice, wild-type mice, and golden Syrian hamsters, as well as primary peripheral sensory and autonomic neuronal cultures, show viral RNA, proteins, and infectious virus in PNS neurons, satellite glial cells, and functionally connected CNS tissues. Additionally, we demonstrate, in vitro, that neuropilin-1 facilitates SARS-CoV-2 neuronal entry. SARS-CoV-2 rapidly invades the PNS prior to viremia, establishes a productive infection in peripheral neurons, and results in sensory symptoms often reported by COVID-19 patients.
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Affiliation(s)
- Jonathan D. Joyce
- Translational Biology, Medicine, and Health, Virginia Polytechnic Institute & State University, Blacksburg, VA 24060, USA; (J.D.J.)
- Center for Emerging Zoonotic and Arthropod-borne Pathogens, Virginia Polytechnic Institute & State University, Blacksburg, VA 24060, USA
| | - Greyson A. Moore
- Biomedical and Veterinary Science, Virginia Maryland College of Veterinary Medicine, Virginia Polytechnic Institute & State University, Blacksburg, VA 24060, USA
| | - Poorna Goswami
- Translational Biology, Medicine, and Health, Virginia Polytechnic Institute & State University, Blacksburg, VA 24060, USA; (J.D.J.)
| | - Telvin L. Harrell
- Biomedical and Veterinary Science, Virginia Maryland College of Veterinary Medicine, Virginia Polytechnic Institute & State University, Blacksburg, VA 24060, USA
| | - Tina M. Taylor
- Population Health Sciences, Virginia Maryland College of Veterinary Medicine, Virginia Polytechnic Institute & State University, Blacksburg, VA 24060, USA
| | - Seth A. Hawks
- Biomedical Sciences and Pathobiology, Virginia Polytechnic Institute & State University, Blacksburg, VA 24060, USA
| | - Jillian C. Green
- Biomedical and Veterinary Science, Virginia Maryland College of Veterinary Medicine, Virginia Polytechnic Institute & State University, Blacksburg, VA 24060, USA
| | - Mo Jia
- Population Health Sciences, Virginia Maryland College of Veterinary Medicine, Virginia Polytechnic Institute & State University, Blacksburg, VA 24060, USA
| | - Matthew D. Irwin
- Biomedical and Veterinary Science, Virginia Maryland College of Veterinary Medicine, Virginia Polytechnic Institute & State University, Blacksburg, VA 24060, USA
| | - Emma Leslie
- Translational Biology, Medicine, and Health, Virginia Polytechnic Institute & State University, Blacksburg, VA 24060, USA; (J.D.J.)
| | - Nisha K. Duggal
- Center for Emerging Zoonotic and Arthropod-borne Pathogens, Virginia Polytechnic Institute & State University, Blacksburg, VA 24060, USA
- Biomedical Sciences and Pathobiology, Virginia Polytechnic Institute & State University, Blacksburg, VA 24060, USA
| | - Christopher K. Thompson
- School of Neuroscience, Virginia Polytechnic Institute & State University, Blacksburg, VA 24060, USA
| | - Andrea S. Bertke
- Center for Emerging Zoonotic and Arthropod-borne Pathogens, Virginia Polytechnic Institute & State University, Blacksburg, VA 24060, USA
- Population Health Sciences, Virginia Maryland College of Veterinary Medicine, Virginia Polytechnic Institute & State University, Blacksburg, VA 24060, USA
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3
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Calado AM, Seixas F, Dos Anjos Pires M. Virus as Teratogenic Agents. Methods Mol Biol 2024; 2753:105-142. [PMID: 38285335 DOI: 10.1007/978-1-0716-3625-1_4] [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] [Indexed: 01/30/2024]
Abstract
Viral infectious diseases are important causes of reproductive disorders, as abortion, fetal mummification, embryonic mortality, stillbirth, and congenital abnormalities in animals and in humans. In this chapter, we provide an overview of some virus, as important agents in teratology.We begin by describing the Zika virus, whose infection in humans had a very significant impact in recent years and has been associated with major health problems worldwide. This virus is a teratogenic agent in humans and has been classified as a public health emergency of international concern (PHEIC).Then, some viruses associated with reproductive abnormalities on animals, which have a significant economic impact on livestock, are described, as bovine herpesvirus, bovine viral diarrhea virus, Schmallenberg virus, Akabane virus, and Aino virus.For all viruses mentioned in this chapter, the teratogenic effects and the congenital malformations associated with fetus and newborn are described, according to the most recent scientific publications.
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Affiliation(s)
- Ana Margarida Calado
- Animal and Veterinary Research Centre (CECAV), UTAD, and Associate Laboratory for Animal and Veterinary Science (AL4Animals), Department of Veterinary Sciences, School of Agrarian and Veterinary Sciences (ECAV), University of Trás-os-Montes e Alto Douro (UTAD), Vila Real, Portugal
| | - Fernanda Seixas
- Animal and Veterinary Research Centre (CECAV), UTAD, and Associate Laboratory for Animal and Veterinary Science (AL4Animals), Department of Veterinary Sciences, School of Agrarian and Veterinary Sciences (ECAV), University of Trás-os-Montes e Alto Douro (UTAD), Vila Real, Portugal
| | - Maria Dos Anjos Pires
- Animal and Veterinary Research Centre (CECAV), UTAD, and Associate Laboratory for Animal and Veterinary Science (AL4Animals), Department of Veterinary Sciences, School of Agrarian and Veterinary Sciences (ECAV), University of Trás-os-Montes e Alto Douro (UTAD), Vila Real, Portugal.
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Bocciarelli C, Cordel N, Leschiera R, Talagas M, Le Gall-Ianotto C, Hu W, Marcorelles P, Bellemere G, Bredif S, Fluhr J, Misery L, Lebonvallet N. New human in vitro co-culture model of keratinocytes and sensory neurons like cells releasing substance P with an evaluation of the expression of ZIKV entry receptors: A potent opportunity to test Zika virus entry and to study Zika virus' infection in neurons? Exp Dermatol 2023; 32:1563-1568. [PMID: 37395585 DOI: 10.1111/exd.14870] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2022] [Revised: 05/11/2023] [Accepted: 06/19/2023] [Indexed: 07/04/2023]
Abstract
During the course of acute ZIKV infection, pruritus is a cardinal symptom widely documented in the literature. Its frequent association with dysesthesia and several dysautonomic manifestations, suggests a pathophysiological mechanism involving the peripheral nervous system. The aim of this study was to develop a functional human model to potentially able to be infected by ZIKV: by demonstrating the functionality on a new human model of co-culture of keratinocyte and sensory neuron derived from induced pluripotent stem cells using a classical method of capsaicin induction and SP release, and verify the presence of ZIKV entry receptor in these cells. Depending of cellular type, receptors of the TAMs family, TIMs (TIM1, TIM3 and TIM4) and DC-SIGN and RIG1 were present/detected. The cells incubations with capsaicin resulted in an increase of the substance P. Hence, this study demonstrated the possibility to obtain co-cultures of human keratinocytes and human sensory neurons that release substance P in the same way than previously published in animal models which can be used as a model of neurogenic skin inflammation. The demonstration of the expression of ZIKV entry receptors in these cells allows to considerate the potent possibility that ZIKV is able to infect cells.
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Affiliation(s)
| | - Nadège Cordel
- Service de Dermatologie-Immunologie clinique, CHU de Guadeloupe Pointe à Pitre, Guadeloupe et Université de Normandie UNIROUEN, IRIB, Inserm, U1234, Rouen, France
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5
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Bokelmann M, Vogel U, Debeljak F, Düx A, Riesle-Sbarbaro S, Lander A, Wahlbrink A, Kromarek N, Neil S, Couacy-Hymann E, Prescott J, Kurth A. Tolerance and Persistence of Ebola Virus in Primary Cells from Mops condylurus, a Potential Ebola Virus Reservoir. Viruses 2021; 13:v13112186. [PMID: 34834992 PMCID: PMC8622823 DOI: 10.3390/v13112186] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/20/2021] [Revised: 10/14/2021] [Accepted: 10/26/2021] [Indexed: 11/16/2022] Open
Abstract
Although there have been documented Ebola virus disease outbreaks for more than 40 years, the natural reservoir host has not been identified. Recent studies provide evidence that the Angolan free-tailed bat (Mops condylurus), an insectivorous microbat, is a possible ebolavirus reservoir. To investigate the potential role of this bat species in the ecology of ebolaviruses, replication, tolerance, and persistence of Ebola virus (EBOV) were investigated in 10 different primary bat cell isolates from M. condylurus. Varying EBOV replication kinetics corresponded to the expression levels of the integral membrane protein NPC1. All primary cells were highly tolerant to EBOV infection without cytopathic effects. The observed persistent EBOV infection for 150 days in lung primary cells, without resultant selective pressure leading to virus mutation, indicate the intrinsic ability of EBOV to persist in this bat species. These results provide further evidence for this bat species to be a likely reservoir of ebolaviruses.
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Affiliation(s)
- Marcel Bokelmann
- Centre for Biological Threats and Special Pathogens, Robert Koch Institute, 13353 Berlin, Germany; (M.B.); (U.V.); (S.R.-S.); (A.L.); (A.W.); (N.K.); (J.P.)
| | - Uwe Vogel
- Centre for Biological Threats and Special Pathogens, Robert Koch Institute, 13353 Berlin, Germany; (M.B.); (U.V.); (S.R.-S.); (A.L.); (A.W.); (N.K.); (J.P.)
| | - Franka Debeljak
- Department of Infectious Diseases, King’s College London, London WC2R 2LS, UK; (F.D.); (S.N.)
| | - Ariane Düx
- Epidemiology of Highly Pathogenic Microorganisms, Robert Koch Institute, 13353 Berlin, Germany;
| | - Silke Riesle-Sbarbaro
- Centre for Biological Threats and Special Pathogens, Robert Koch Institute, 13353 Berlin, Germany; (M.B.); (U.V.); (S.R.-S.); (A.L.); (A.W.); (N.K.); (J.P.)
| | - Angelika Lander
- Centre for Biological Threats and Special Pathogens, Robert Koch Institute, 13353 Berlin, Germany; (M.B.); (U.V.); (S.R.-S.); (A.L.); (A.W.); (N.K.); (J.P.)
| | - Annette Wahlbrink
- Centre for Biological Threats and Special Pathogens, Robert Koch Institute, 13353 Berlin, Germany; (M.B.); (U.V.); (S.R.-S.); (A.L.); (A.W.); (N.K.); (J.P.)
| | - Nicole Kromarek
- Centre for Biological Threats and Special Pathogens, Robert Koch Institute, 13353 Berlin, Germany; (M.B.); (U.V.); (S.R.-S.); (A.L.); (A.W.); (N.K.); (J.P.)
| | - Stuart Neil
- Department of Infectious Diseases, King’s College London, London WC2R 2LS, UK; (F.D.); (S.N.)
| | - Emmanuel Couacy-Hymann
- Laboratoire National d’Appui au Développement Agricole, Bingerville BP 206, Côte d’Ivoire;
| | - Joseph Prescott
- Centre for Biological Threats and Special Pathogens, Robert Koch Institute, 13353 Berlin, Germany; (M.B.); (U.V.); (S.R.-S.); (A.L.); (A.W.); (N.K.); (J.P.)
| | - Andreas Kurth
- Centre for Biological Threats and Special Pathogens, Robert Koch Institute, 13353 Berlin, Germany; (M.B.); (U.V.); (S.R.-S.); (A.L.); (A.W.); (N.K.); (J.P.)
- Correspondence:
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Abstract
Zika virus (ZIKV) infection became a worldwide concern due to its correlation with the development of microcephaly and other neurological disorders. ZIKV neurotropism is well characterized, but the role of peripheral viral amplification to brain infection remains unknown. Here, we found that ZIKV replicates in human primary skeletal muscle myoblasts, impairing its differentiation into myotubes but not interfering with the integrity of the already-formed muscle fibers. Using mouse models, we showed ZIKV tropism to muscle tissue either during embryogenesis after maternal transmission or when infection occurred after birth. Interestingly, ZIKV replication in the mouse skeletal muscle started immediately after ZIKV inoculation, preceding viral RNA detection in the brain and causing no disruption to the integrity of the blood brain barrier, and remained active for more than 2 weeks, whereas replication in the spleen and liver were not sustained over time. In addition, ZIKV infection of the skeletal muscle induces necrotic lesions, inflammation, and fiber atrophy. We also found a reduction in the expression of regulatory myogenic factors that are essential for muscle repair after injury. Taken together, our results indicate that the skeletal muscle is an early site of viral amplification and lesion that may result in late consequences in muscle development after ZIKV infection. IMPORTANCE Zika Virus (ZIKV) neurotropism and its deleterious effects on central nervous system have been well characterized. However, investigations of the initial replication sites for the establishment of infection and viral spread to neural tissues remain underexplored. A complete description of the range of ZIKV-induced lesions and others factors that can influence the severity of the disease is necessary to prevent ZIKV’s deleterious effects. ZIKV has been shown to access the central nervous system without significantly affecting blood-brain barrier permeability. Here, we demonstrated that skeletal muscle is an earlier site of ZIKV replication, contributing to the increase of peripheral ZIKV load. ZIKV replication in muscle promotes necrotic lesions and inflammation and also impairs myogenesis. Overall, our findings showed that skeletal muscle is involved in pathogenesis and opens new fields in the investigation of the long-term consequences of early infection.
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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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Fu TL, Ong KC, Tan SH, Wong KT. Japanese Encephalitis Virus Infects the Thalamus Early Followed by Sensory-Associated Cortex and Other Parts of the Central and Peripheral Nervous Systems. J Neuropathol Exp Neurol 2020; 78:1160-1170. [PMID: 31675093 DOI: 10.1093/jnen/nlz103] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022] Open
Abstract
Japanese encephalitis (JE) is a known CNS viral infection that often involves the thalamus early. To investigate the possible role of sensory peripheral nervous system (PNS) in early neuroinvasion, we developed a left hindlimb footpad-inoculation mouse model to recapitulate human infection by a mosquito bite. A 1-5 days postinfection (dpi) study, demonstrated focal viral antigens/RNA in contralateral thalamic neurons at 3 dpi in 50% of the animals. From 4 to 5 dpi, gradual increase in viral antigens/RNA was observed in bilateral thalami, somatosensory, and piriform cortices, and then the entire CNS. Infection of neuronal bodies and adjacent nerves in dorsal root ganglia (DRGs), trigeminal ganglia, and autonomic ganglia (intestine, etc.) was also observed from 5 dpi. Infection of explant organotypic whole brain slice cultures demonstrated no viral predilection for the thalamus, while DRG and intestinal ganglia organotypic cultures confirmed sensory and autonomic ganglia susceptibility to infection, respectively. Early thalamus and sensory-associated cortex involvement suggest an important role for sensory pathways in neuroinvasion. Our results suggest that JE virus neuronotropism is much more extensive than previously known, and that the sensory PNS and autonomic system are susceptible to infection.
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Affiliation(s)
- Tzeh Long Fu
- Department of Pathology; and Department of Biomedical Science, Faculty of Medicine, University of Malaya, Kuala Lumpur, Malaysia
| | - Kien Chai Ong
- Department of Pathology; and Department of Biomedical Science, Faculty of Medicine, University of Malaya, Kuala Lumpur, Malaysia
| | - Soon Hao Tan
- Department of Pathology; and Department of Biomedical Science, Faculty of Medicine, University of Malaya, Kuala Lumpur, Malaysia
| | - Kum Thong Wong
- Department of Pathology; and Department of Biomedical Science, Faculty of Medicine, University of Malaya, Kuala Lumpur, Malaysia
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Bhushan G, Lim L, Bird I, Chothe SK, Nissly RH, Kuchipudi SV. Iminosugars With Endoplasmic Reticulum α-Glucosidase Inhibitor Activity Inhibit ZIKV Replication and Reverse Cytopathogenicity in vitro. Front Microbiol 2020; 11:531. [PMID: 32373079 PMCID: PMC7179685 DOI: 10.3389/fmicb.2020.00531] [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: 01/13/2020] [Accepted: 03/12/2020] [Indexed: 11/26/2022] Open
Abstract
Zika virus (ZIKV), a vector-borne virus of the family Flaviviridae, continues to spread and remains a significant global public health threat. Currently, there are no approved vaccines or antivirals against ZIKV. We investigated the anti-ZIKV ability of three iminosugars with endoplasmic reticulum α-glucosidase inhibitor (ER-AGI) activity, namely deoxynojirimycin (DNJ), castanospermine, and celgosivir. None of the three iminosugars showed any significant cytotoxicity in Vero or human microglia CHME3 cells when applied for 72 h at concentrations up to 100 μM. Iminosugar treatment of Vero or CHME3 cells prior to ZIKV infection resulted in significant inhibition of ZIKV replication over 48 h. Reduction in ZIKV replication in iminosugar-treated cells was not associated with any significant change in the expression levels of key antiviral genes. Following infection with three different strains of ZIKV, iminosugar-treated Vero or CHME3 cells showed no cell death, whereas vehicle-treated control cells exhibited 50–60% cell death at 72 h post-infection (hpi). While there was no significant difference in apoptosis between iminosugar-treated and control cells, iminosugar-treated cells exhibited a substantial reduction of necrosis at 72 hpi following ZIKV infection. In summary, iminosugars with ER-AGI activity inhibit ZIKV replication and significantly reduce necrosis without altering the antiviral gene expression and apoptosis of infected human cells. The results of this study strongly suggest that iminosugars are promising anti-ZIKV antiviral agents and such warrant further in vivo studies.
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Affiliation(s)
- Gitanjali Bhushan
- Penn State Animal Diagnostic Laboratory, Department of Veterinary and Biomedical Sciences, Pennsylvania State University, University Park, PA, United States
| | - Levina Lim
- Penn State Animal Diagnostic Laboratory, Department of Veterinary and Biomedical Sciences, Pennsylvania State University, University Park, PA, United States
| | - Ian Bird
- Penn State Animal Diagnostic Laboratory, Department of Veterinary and Biomedical Sciences, Pennsylvania State University, University Park, PA, United States
| | - Shubhada K Chothe
- Penn State Animal Diagnostic Laboratory, Department of Veterinary and Biomedical Sciences, Pennsylvania State University, University Park, PA, United States
| | - Ruth H Nissly
- Penn State Animal Diagnostic Laboratory, Department of Veterinary and Biomedical Sciences, Pennsylvania State University, University Park, PA, United States
| | - Suresh V Kuchipudi
- Penn State Animal Diagnostic Laboratory, Department of Veterinary and Biomedical Sciences, Pennsylvania State University, University Park, PA, United States
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10
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The journey of Zika to the developing brain. Mol Biol Rep 2020; 47:3097-3115. [DOI: 10.1007/s11033-020-05349-y] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/12/2019] [Accepted: 02/25/2020] [Indexed: 12/14/2022]
Abstract
AbstractZika virus is a mosquito-borne Flavivirus originally isolated from humans in 1952. Following its re-emergence in Brazil in 2015, an increase in the number of babies born with microcephaly to infected mothers was observed. Microcephaly is a neurodevelopmental disorder, characterised phenotypically by a smaller than average head size, and is usually developed in utero. The 2015 outbreak in the Americas led to the World Health Organisation declaring Zika a Public Health Emergency of International Concern. Since then, much research into the effects of Zika has been carried out. Studies have investigated the structure of the virus, its effects on and evasion of the immune response, cellular entry including target receptors, its transmission from infected mother to foetus and its cellular targets. This review discusses current knowledge and novel research into these areas, in hope of developing a further understanding of how exposure of pregnant women to the Zika virus can lead to impaired brain development of their foetus. Although no longer considered an epidemic in the Americas, the mechanism by which Zika acts is still not comprehensively and wholly understood, and this understanding will be crucial in developing effective vaccines and treatments.
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11
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Saver AE, Crawford SA, Joyce JD, Bertke AS. Route of Infection Influences Zika Virus Shedding in a Guinea Pig Model. Cells 2019; 8:E1437. [PMID: 31739508 PMCID: PMC6912420 DOI: 10.3390/cells8111437] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/01/2019] [Revised: 11/04/2019] [Accepted: 11/13/2019] [Indexed: 11/16/2022] Open
Abstract
Due to the recent epidemic of Zika virus (ZIKV) infection and resulting sequelae, as well as concerns about both the sexual and vertical transmission of the virus, renewed attention has been paid to the pathogenesis of this unique arbovirus. Numerous small animal models have been used in various ZIKV pathogenicity studies, however, they are often performed using immunodeficient or immunosuppressed animals, which may impact disease progression in a manner not relevant to immunocompetent humans. The use of immunocompetent animal models, such as macaques, is constrained by small sample sizes and the need for specialized equipment/staff. Here we report the establishment of ZIKV infection in an immunocompetent small animal model, the guinea pig, using both subcutaneous and vaginal routes of infection to mimic mosquito-borne and sexual transmission. Guinea pigs developed clinical signs consistent with mostly asymptomatic and mild disease observed in humans. We demonstrate that the route of infection does not significantly alter viral tissue tropism but does impact mucosal shedding mechanics. We also demonstrate persistent infection in sensory and autonomic ganglia, identifying a previously unrecognized niche of viral persistence that could contribute to viral shedding in secretions. We conclude that the guinea pig represents a useful and relevant model for ZIKV pathogenesis.
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Affiliation(s)
- Ashley E. Saver
- Virginia-Maryland College of Veterinary Medicine, Virginia Polytechnic Institute & State University, Blacksburg, VA 24061, USA; (A.E.S.); (S.A.C.)
| | - Stephanie A. Crawford
- Virginia-Maryland College of Veterinary Medicine, Virginia Polytechnic Institute & State University, Blacksburg, VA 24061, USA; (A.E.S.); (S.A.C.)
| | - Jonathan D. Joyce
- Department of Population Health Sciences, Virginia-Maryland College of Veterinary Medicine, Virginia Polytechnic Institute & State University, Blacksburg, VA 24061, USA;
| | - Andrea S. Bertke
- Department of Population Health Sciences, Virginia-Maryland College of Veterinary Medicine, Virginia Polytechnic Institute & State University, Blacksburg, VA 24061, USA;
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Svyatchenko VA, Razumov IA, Protopopova EV, Demina AV, Solovieva OI, Zavjalov EL, Loktev VB. Zika virus has an oncolytic activity against human glioblastoma U87 cells. Vavilovskii Zhurnal Genet Selektsii 2019. [DOI: 10.18699/vj18.448] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022] Open
Abstract
Glioblastoma is a highly lethal brain cancer. Virotherapy with the use of oncolytic viruses has since recently been regarded as a promising approach for the clinic treatment of human glioblastomas. The purpose of this work was to perform a primary evaluation of the Zika virus as a potential oncolytic agent against glioblastomas.In vitroexperiments showed that the Zika virus strain MR 766 is able to selectively infect and lyse neoplastic cells of the human glioblastoma cell line U87 MG. The selectivity index (SI, the ratio of infectious titer for tumor cells to titer on normal untransformed cells) was 2·102. The selectivity of the replicative activity of Zika virus in relation to U87 MG glioblastoma cells was additionally confrmed by indirect immunofluorescence. Using the model of immunodefcient SCID mice with subcutaneous xenografts of human glioblastoma U87 MG, a strong antitumor activity of the Zika virus under a course (daily for 4 days) of intratumoral administration of 5·105 TCID50 of Zika virus was shown. Treatment with Zika virus resulted in more than a 10fold reduction in mean volumes of tumors. The tumor growth inhibition index was 92.63 %. Recurrences (metastases) of tumor regrowth were not registered within 64 days of observation. This result demonstrated the prospect of further indepth studies of the Zika virus as a potential oncolytic agent against human glioblastomas.
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Affiliation(s)
| | - I. A. Razumov
- State Research Center of Virology and Biotechnology “Vector”; Institute of Cytology and Genetics, SB RAS
| | | | - A. V. Demina
- State Research Center of Virology and Biotechnology “Vector”
| | | | | | - V. B. Loktev
- State Research Center of Virology and Biotechnology “Vector”; Institute of Cytology and Genetics, SB RAS
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13
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Volpi VG, Pagani I, Ghezzi S, Iannacone M, D'Antonio M, Vicenzi E. Zika Virus Replication in Dorsal Root Ganglia Explants from Interferon Receptor1 Knockout Mice Causes Myelin Degeneration. Sci Rep 2018; 8:10166. [PMID: 29976926 PMCID: PMC6033858 DOI: 10.1038/s41598-018-28257-5] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2017] [Accepted: 06/15/2018] [Indexed: 12/29/2022] Open
Abstract
Zika virus (ZIKV) is a neurotropic agent that targets the developing fetal brain in women infected during pregnancy. In addition to the developing central nervous system, ZIKV has been recently shown to infect cells of the peripheral nervous system (PNS), highlighting its potential to cause acute peripheral neuropathies in adults, such as Guillain-Barré Syndrome (GBS). Here we show that myelinating dorsal root ganglia (DRG) explants obtained from interferon-alpha/beta receptor knock-out mice are productively infected by ZIKV. Virus replication is cytopathic in both peripheral neurons and myelinating Schwann cells leading to myelin disruption. These results confirm and extend previous observations suggesting that the PNS is indeed a potential site of ZIKV infection, replication and cytopathicity.
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Affiliation(s)
- Vera Giulia Volpi
- Myelin Biology Unit, Division of Genetics and Cell Biology, San Raffaele Scientific Institute, Milan, Italy
| | - Isabel Pagani
- Viral Pathogens and Biosafety Unit, Division of Immunology, Transplantation and Infectious Diseases, San Raffaele Scientific Institute, Milan, Italy
| | - Silvia Ghezzi
- Viral Pathogens and Biosafety Unit, Division of Immunology, Transplantation and Infectious Diseases, San Raffaele Scientific Institute, Milan, Italy
| | - Matteo Iannacone
- Dynamics of Immune Responses Unit, Division of Immunology, Transplantation and Infectious Diseases, San Raffaele Scientific Institute, Milan, Italy
| | - Maurizio D'Antonio
- Myelin Biology Unit, Division of Genetics and Cell Biology, San Raffaele Scientific Institute, Milan, Italy
| | - Elisa Vicenzi
- Viral Pathogens and Biosafety Unit, Division of Immunology, Transplantation and Infectious Diseases, San Raffaele Scientific Institute, Milan, Italy.
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14
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Acosta-Ampudia Y, Monsalve DM, Castillo-Medina LF, Rodríguez Y, Pacheco Y, Halstead S, Willison HJ, Anaya JM, Ramírez-Santana C. Autoimmune Neurological Conditions Associated With Zika Virus Infection. Front Mol Neurosci 2018; 11:116. [PMID: 29695953 PMCID: PMC5904274 DOI: 10.3389/fnmol.2018.00116] [Citation(s) in RCA: 35] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2018] [Accepted: 03/26/2018] [Indexed: 12/20/2022] Open
Abstract
Zika virus (ZIKV) is an emerging flavivirus rapidly spreading throughout the tropical Americas. Aedes mosquitoes is the principal way of transmission of the virus to humans. ZIKV can be spread by transplacental, perinatal, and body fluids. ZIKV infection is often asymptomatic and those with symptoms present minor illness after 3 to 12 days of incubation, characterized by a mild and self-limiting disease with low-grade fever, conjunctivitis, widespread pruritic maculopapular rash, arthralgia and myalgia. ZIKV has been linked to a number of central and peripheral nervous system injuries such as Guillain-Barré syndrome (GBS), transverse myelitis (TM), meningoencephalitis, ophthalmological manifestations, and other neurological complications. Nevertheless, mechanisms of host-pathogen neuro-immune interactions remain incompletely elucidated. This review provides a critical discussion about the possible mechanisms underlying the development of autoimmune neurological conditions associated with Zika virus infection.
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Affiliation(s)
- Yeny Acosta-Ampudia
- Center for Autoimmune Diseases Research, School of Medicine and Health Sciences, Universidad del Rosario, Bogota, Colombia
| | - Diana M Monsalve
- Center for Autoimmune Diseases Research, School of Medicine and Health Sciences, Universidad del Rosario, Bogota, Colombia
| | - Luis F Castillo-Medina
- Center for Autoimmune Diseases Research, School of Medicine and Health Sciences, Universidad del Rosario, Bogota, Colombia
| | - Yhojan Rodríguez
- Center for Autoimmune Diseases Research, School of Medicine and Health Sciences, Universidad del Rosario, Bogota, Colombia
| | - Yovana Pacheco
- Center for Autoimmune Diseases Research, School of Medicine and Health Sciences, Universidad del Rosario, Bogota, Colombia
| | - Susan Halstead
- Institute of Infection, Immunity and Inflammation, University of Glasgow, Glasgow, United Kingdom
| | - Hugh J Willison
- Institute of Infection, Immunity and Inflammation, University of Glasgow, Glasgow, United Kingdom
| | - Juan-Manuel Anaya
- Center for Autoimmune Diseases Research, School of Medicine and Health Sciences, Universidad del Rosario, Bogota, Colombia
| | - Carolina Ramírez-Santana
- Center for Autoimmune Diseases Research, School of Medicine and Health Sciences, Universidad del Rosario, Bogota, Colombia
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15
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Autonomic dysfunction: a novel neurological phenotype associated with Zika virus infection? Clin Auton Res 2018; 28:161-163. [DOI: 10.1007/s10286-018-0516-0] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2018] [Accepted: 02/24/2018] [Indexed: 02/06/2023]
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16
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Winkler CW, Peterson KE. Using immunocompromised mice to identify mechanisms of Zika virus transmission and pathogenesis. Immunology 2018; 153:443-454. [PMID: 29266213 DOI: 10.1111/imm.12883] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2017] [Revised: 12/13/2017] [Accepted: 12/14/2017] [Indexed: 12/11/2022] Open
Abstract
Zika virus (ZIKV) is responsible for a recent global epidemic that has been associated with congenital brain malformations in fetuses and with Guillain-Barré syndrome in adults. Within the last 2 years, a major effort has been made to develop murine models to study the mechanism of viral transmission, pathogenesis and the host immune response. Here, we discuss the findings from these models regarding the role that the innate and adaptive immune responses have in controlling ZIKV infection and pathogenesis. Additionally, we examine how innate and adaptive immune responses influence sexual and vertical transmission of ZIKV infection as well as how these responses can influence the ability of ZIKV to cross the placenta and to induce damage in the developing brain.
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Affiliation(s)
- Clayton W Winkler
- Laboratory of Persistent Viral Diseases, Rocky Mountain Laboratories, National Institute of Allergy and Infectious Diseases, Hamilton, MT, USA
| | - Karin E Peterson
- Laboratory of Persistent Viral Diseases, Rocky Mountain Laboratories, National Institute of Allergy and Infectious Diseases, Hamilton, MT, USA
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