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Fitzpatrick PA, Johansson J, Maglennon G, Wallace I, Hendrickx R, Stamou M, Balogh Sivars K, Busch S, Johansson L, Van Zuydam N, Patten K, Åberg PM, Ollerstam A, Hornberg JJ. A novel in vitro high-content imaging assay for the prediction of drug-induced lung toxicity. Arch Toxicol 2024; 98:2985-2998. [PMID: 38806719 PMCID: PMC11324770 DOI: 10.1007/s00204-024-03800-8] [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: 02/29/2024] [Accepted: 05/23/2024] [Indexed: 05/30/2024]
Abstract
The development of inhaled drugs for respiratory diseases is frequently impacted by lung pathology in non-clinical safety studies. To enable design of novel candidate drugs with the right safety profile, predictive in vitro lung toxicity assays are required that can be applied during drug discovery for early hazard identification and mitigation. Here, we describe a novel high-content imaging-based screening assay that allows for quantification of the tight junction protein occludin in A549 cells, as a model for lung epithelial barrier integrity. We assessed a set of compounds with a known lung safety profile, defined by clinical safety or non-clinical in vivo toxicology data, and were able to correctly identify 9 of 10 compounds with a respiratory safety risk and 9 of 9 compounds without a respiratory safety risk (90% sensitivity, 100% specificity). The assay was sensitive at relevant compound concentrations to influence medicinal chemistry optimization programs and, with an accessible cell model in a 96-well plate format, short protocol and application of automated imaging analysis algorithms, this assay can be readily integrated in routine discovery safety screening to identify and mitigate respiratory toxicity early during drug discovery. Interestingly, when we applied physiologically-based pharmacokinetic (PBPK) modelling to predict epithelial lining fluid exposures of the respiratory tract after inhalation, we found a robust correlation between in vitro occludin assay data and lung pathology in vivo, suggesting the assay can inform translational risk assessment for inhaled small molecules.
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Affiliation(s)
- Paul A Fitzpatrick
- Safety Sciences, Clinical Pharmacology and Safety Sciences, R and D, AstraZeneca, Gothenburg, Sweden.
| | - Julia Johansson
- Safety Sciences, Clinical Pharmacology and Safety Sciences, R and D, AstraZeneca, Gothenburg, Sweden
| | - Gareth Maglennon
- AstraZeneca Pathology, Clinical Pharmacology and Safety Sciences, R and D, AstraZeneca, Cambridge, UK
| | - Ian Wallace
- Safety Sciences, Clinical Pharmacology and Safety Sciences, R and D, AstraZeneca, Gothenburg, Sweden
| | - Ramon Hendrickx
- Drug Metabolism and Pharmacokinetics, Research and Early Development, Respiratory and Immunology (R and I), R and D, AstraZeneca, Gothenburg, Sweden
| | - Marianna Stamou
- Safety Sciences, Clinical Pharmacology and Safety Sciences, R and D, AstraZeneca, Gothenburg, Sweden
| | - Kinga Balogh Sivars
- Safety Sciences, Clinical Pharmacology and Safety Sciences, R and D, AstraZeneca, Gothenburg, Sweden
| | - Susann Busch
- Safety Sciences, Clinical Pharmacology and Safety Sciences, R and D, AstraZeneca, Gothenburg, Sweden
| | - Linnea Johansson
- Safety Sciences, Clinical Pharmacology and Safety Sciences, R and D, AstraZeneca, Gothenburg, Sweden
| | - Natalie Van Zuydam
- Data Sciences and Quantitative Biology, Discovery Sciences, R and D, AstraZeneca, Gothenburg, Sweden
| | - Kelley Patten
- Safety Sciences, Clinical Pharmacology and Safety Sciences, R and D, AstraZeneca, Gothenburg, Sweden
| | - Per M Åberg
- Safety Sciences, Clinical Pharmacology and Safety Sciences, R and D, AstraZeneca, Gothenburg, Sweden
| | - Anna Ollerstam
- Safety Sciences, Clinical Pharmacology and Safety Sciences, R and D, AstraZeneca, Gothenburg, Sweden
| | - Jorrit J Hornberg
- Safety Sciences, Clinical Pharmacology and Safety Sciences, R and D, AstraZeneca, Gothenburg, Sweden
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Blanquer A, Rivas F, Gérardy M, Sarlet M, Moula N, Ziegler U, Groschup MH, Desmecht D, Marichal T, Garigliany M. Evaluation of Non-Vector Transmission of Usutu Virus in Domestic Canaries ( Serinus canaria). Viruses 2024; 16:79. [PMID: 38257779 PMCID: PMC10819963 DOI: 10.3390/v16010079] [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: 11/10/2023] [Revised: 12/21/2023] [Accepted: 12/22/2023] [Indexed: 01/24/2024] Open
Abstract
Usutu virus (USUV) is a flavivirus transmitted to avian species through mosquito bites that causes mass mortalities in wild and captive bird populations. However, several cases of positive dead birds have been recorded during the winter, a vector-free period. To explain how USUV "overwinters", the main hypothesis is bird-to-bird transmission, as shown for the closely related West Nile virus. To address this question, we experimentally challenged canaries with intranasal inoculation of USUV, which led to systemic dissemination of the virus, provided the inoculated dose was sufficient (>102 TCID50). We also highlighted the oronasal excretion of infectious viral particles in infected birds. Next, we co-housed infected birds with naive sentinels, to determine whether onward transmission could be reproduced experimentally. We failed to detect such transmission but demonstrated horizontal transmission by transferring sputum from an infected to a naive canary. In addition, we evaluated the cellular tropism of respiratory mucosa to USUV in vitro using a canary tracheal explant and observed only limited evidence of viral replication. Further research is then needed to assess if and how comparable bird-to-bird transmission occurs in the wild.
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Affiliation(s)
- Aude Blanquer
- Fundamental and Applied Research for Animals & Health (FARAH), Laboratory of Pathology, Faculty of Veterinary Medicine, University of Liège, Sart Tilman B43, B-4000 Liège, Belgium; (A.B.); (F.R.); (M.G.); (M.S.); (D.D.)
| | - Felipe Rivas
- Fundamental and Applied Research for Animals & Health (FARAH), Laboratory of Pathology, Faculty of Veterinary Medicine, University of Liège, Sart Tilman B43, B-4000 Liège, Belgium; (A.B.); (F.R.); (M.G.); (M.S.); (D.D.)
| | - Mazarine Gérardy
- Fundamental and Applied Research for Animals & Health (FARAH), Laboratory of Pathology, Faculty of Veterinary Medicine, University of Liège, Sart Tilman B43, B-4000 Liège, Belgium; (A.B.); (F.R.); (M.G.); (M.S.); (D.D.)
| | - Michaël Sarlet
- Fundamental and Applied Research for Animals & Health (FARAH), Laboratory of Pathology, Faculty of Veterinary Medicine, University of Liège, Sart Tilman B43, B-4000 Liège, Belgium; (A.B.); (F.R.); (M.G.); (M.S.); (D.D.)
| | - Nassim Moula
- Animal Resources Veterinary Management Department, Faculty of Veterinary Medicine, GIGA Research (AFT), Sart Tilman B23B, B-4000 Liège, Belgium;
| | - Ute Ziegler
- Friedrich-Loeffler-Institut, Institute for Novel and Emerging Infectious Diseases, Südufer 10, 17493 Greifswald-Insel Riems, Germany; (U.Z.); (M.H.G.)
| | - Martin H. Groschup
- Friedrich-Loeffler-Institut, Institute for Novel and Emerging Infectious Diseases, Südufer 10, 17493 Greifswald-Insel Riems, Germany; (U.Z.); (M.H.G.)
| | - Daniel Desmecht
- Fundamental and Applied Research for Animals & Health (FARAH), Laboratory of Pathology, Faculty of Veterinary Medicine, University of Liège, Sart Tilman B43, B-4000 Liège, Belgium; (A.B.); (F.R.); (M.G.); (M.S.); (D.D.)
| | - Thomas Marichal
- Laboratory of Immunophysiology, GIGA Institute, University of Liège, B-4000 Liège, Belgium;
- Faculty of Veterinary Medicine, University of Liège, Sart Tilman B42, B-4000 Liège, Belgium
| | - Mutien Garigliany
- Fundamental and Applied Research for Animals & Health (FARAH), Laboratory of Pathology, Faculty of Veterinary Medicine, University of Liège, Sart Tilman B43, B-4000 Liège, Belgium; (A.B.); (F.R.); (M.G.); (M.S.); (D.D.)
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Maia AC, de Souza Cardoso Quintão T, de Oliveira PM, Cassemiro ÉM, Alves DCC, de Melo Alves PP, Dos Anjos Pereira Martins F, Araujo ELL, da Costa Gurgel H, Noronha EF, Ramalho WM, Pereira AL, Slavov SN, de Araújo WN, Haddad R. Nasopharyngeal swabs as alternative specimens for the diagnosis of dengue virus infection. J Infect 2023:S0163-4453(23)00195-0. [PMID: 37003524 DOI: 10.1016/j.jinf.2023.03.024] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2023] [Accepted: 03/28/2023] [Indexed: 04/03/2023]
Affiliation(s)
| | - Tatyane de Souza Cardoso Quintão
- Center for Tropical Medicine, University of Brasilia, Federal District, Brazil; Molecular Diagnostics Laboratory, University Hospital of Brasilia/EBSERH, Federal District, Brazil
| | - Pâmela Maria de Oliveira
- Center for Tropical Medicine, University of Brasilia, Federal District, Brazil; Molecular Diagnostics Laboratory, University Hospital of Brasilia/EBSERH, Federal District, Brazil
| | - Évelin Mota Cassemiro
- Center for Tropical Medicine, University of Brasilia, Federal District, Brazil; Molecular Diagnostics Laboratory, University Hospital of Brasilia/EBSERH, Federal District, Brazil
| | - Daiani Cristina Cilião Alves
- Molecular Diagnostics Laboratory, University Hospital of Brasilia/EBSERH, Federal District, Brazil; Euro-American University Centre-UNIEURO, Brasilia, Federal District, Brazil
| | | | | | | | - Helen da Costa Gurgel
- Laboratory the Geography, Environment and Health, University of Brasilia, Federal District, Brazil
| | - Elza Ferreira Noronha
- Center for Tropical Medicine, University of Brasilia, Federal District, Brazil; Molecular Diagnostics Laboratory, University Hospital of Brasilia/EBSERH, Federal District, Brazil
| | - Walter Massa Ramalho
- Faculty of Ceilândia, University of Brasilia, Federal District, Brazil; Center for Tropical Medicine, University of Brasilia, Federal District, Brazil
| | | | - Svetoslav Nanev Slavov
- Butantan Institute, São Paulo, Brazil; Blood Center of Ribeirão Preto, Faculty of Medicine of Ribeirão Preto, University of São Paulo, Ribeirão Preto, São Paulo, Brazil
| | - Wildo Navegantes de Araújo
- Faculty of Ceilândia, University of Brasilia, Federal District, Brazil; Center for Tropical Medicine, University of Brasilia, Federal District, Brazil; National Institute for Science and Technology for Health Technology Assessment, Porto Alegre/RS, Brazil
| | - Rodrigo Haddad
- Faculty of Ceilândia, University of Brasilia, Federal District, Brazil; Center for Tropical Medicine, University of Brasilia, Federal District, Brazil; Molecular Diagnostics Laboratory, University Hospital of Brasilia/EBSERH, Federal District, Brazil.
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Zhou J, Guan MY, Li RT, Qi YN, Yang G, Deng YQ, Li XF, Li L, Yang X, Liu JF, Qin CF. Zika virus leads to olfactory disorders in mice by targeting olfactory ensheathing cells. EBioMedicine 2023; 89:104457. [PMID: 36739631 PMCID: PMC9931927 DOI: 10.1016/j.ebiom.2023.104457] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2022] [Revised: 12/23/2022] [Accepted: 01/17/2023] [Indexed: 02/05/2023] Open
Abstract
BACKGROUND Zika virus (ZIKV) is an emerging arbovirus of the genus flavivirus that is associated with congenital Zika syndrome (CZS) in newborns. A wide range of clinical symptoms including intellectual disability, speech delay, coordination or movement problems, and hearing and vision loss, have been well documented in children with CZS. However, whether ZIKV can invade the olfactory system and lead to post-viral olfactory dysfunction (PVOD) remains unknown. METHODS We investigated the susceptibility and biological responses of the olfactory system to ZIKV infection using mouse models and human olfactory organoids derived from patient olfactory mucosa. FINDINGS We demonstrate that neonatal mice infected with ZIKV suffer from transient olfactory dysfunction when they reach to puberty. Moreover, ZIKV mainly targets olfactory ensheathing cells (OECs) and exhibits broad cellular tropism colocalizing with small populations of mature/immature olfactory sensory neurons (mOSNs/iOSNs), sustentacular cells and horizontal basal cells in the olfactory mucosa (OM) of immunodeficient AG6 mice. ZIKV infection induces strong antiviral immune responses in both the olfactory mucosa and olfactory bulb tissues, resulting in the upregulation of proinflammatory cytokines/chemokines and genes related to the antiviral response. Histopathology and transcriptomic analysis showed typical tissue damage in the olfactory system. Finally, by using an air-liquid culture system, we showed that ZIKV mainly targets sustentacular cells and OECs and support robust ZIKV replication. INTERPRETATION Our results demonstrate that olfactory system represents as significant target for ZIKV infection, and that PVOD may be neglected in CZS patients. FUNDING Stated in the acknowledgment.
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Affiliation(s)
- Jia Zhou
- State Key Laboratory of Pathogen and Biosecurity, Beijing Institute of Microbiology and Epidemiology, Beijing 100071, China
| | - Meng-Yue Guan
- Department of Respiratory Medicine, Beijing Hospital of Traditional Chinese Medicine, Capital Medical University, Beijing 10010, China
| | - Rui-Ting Li
- State Key Laboratory of Pathogen and Biosecurity, Beijing Institute of Microbiology and Epidemiology, Beijing 100071, China
| | - Yi-Ni Qi
- State Key Laboratory of Proteomics, National Center for Protein Science (Beijing), Beijing Institute of Lifeomics, Beijing 102206, China
| | - Guan Yang
- State Key Laboratory of Proteomics, National Center for Protein Science (Beijing), Beijing Institute of Lifeomics, Beijing 102206, China
| | - Yong-Qiang Deng
- State Key Laboratory of Pathogen and Biosecurity, Beijing Institute of Microbiology and Epidemiology, Beijing 100071, China
| | - Xiao-Feng Li
- State Key Laboratory of Pathogen and Biosecurity, Beijing Institute of Microbiology and Epidemiology, Beijing 100071, China
| | - Liang Li
- Shenzhen Institutes of Advanced Technology, Chinese Academy of Sciences, Shenzhen 518055, China
| | - Xiao Yang
- State Key Laboratory of Proteomics, National Center for Protein Science (Beijing), Beijing Institute of Lifeomics, Beijing 102206, China
| | - Jian-Feng Liu
- Department of Otorhinolaryngology, China-Japan Friendship Hospital, Beijing 100029, China
| | - Cheng-Feng Qin
- State Key Laboratory of Pathogen and Biosecurity, Beijing Institute of Microbiology and Epidemiology, Beijing 100071, China; Research Unit of Discovery and Tracing of Natural Focus Diseases, Chinese Academy of Medical Sciences, Beijing, China.
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Loyola S, Popuche D, Rios Z, Huaman A, Ampuero JS, Guevara C. Detection of Zika Virus in Oropharyngeal Swabs from Patients with Acute Febrile Illness. Am J Trop Med Hyg 2022; 107:1242-1244. [PMID: 36343593 PMCID: PMC9768257 DOI: 10.4269/ajtmh.22-0292] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2022] [Accepted: 09/01/2022] [Indexed: 11/09/2022] Open
Abstract
The isolation of Zika virus (ZIKV) from serum of suspected human cases for diagnostic purposes can be challenging due to infrastructure constraints of laboratory testing technology. Therefore, as an alternative method, the objective of this study was to evaluate a random sample of oropharyngeal swabs for the diagnosis of ZIKV infection among patients with symptoms of arboviral and respiratory illness. The results revealed that ZIKV RNA could be detected by a reverse transcriptase polymerase chain reaction (RT-PCR) assay and isolated from oropharyngeal swabs from five of 38 samples, but serum samples from the same patients were negative for ZIKV by a variety of laboratory diagnostic approaches including RT-PCR and viral isolation followed by immunofluorescence assays. The findings suggested that the molecular detection and isolation of ZIKV in oropharyngeal swab warrants further study for consideration as an improved diagnostic procedure.
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Affiliation(s)
- Steev Loyola
- Grupo de Investigación UNIMOL, Facultad de Medicina, Universidad de Cartagena, Cartagena de Indias, Colombia;,Doctorado en Medicina Tropical, Facultad de Medicina, Universidad de Cartagena, Cartagena de Indias, Colombia;,Address correspondence to Steev Loyola, Laboratorio Unidad de Investigación Molecular, Facultad de Medicina, Universidad de Cartagena, Cra. 50 #24120, Cartagena de Indias 130014, Colombia. E-mail:
| | - Dina Popuche
- U.S. Naval Medical Research Unit No. 6, Lima, Peru
| | - Zonia Rios
- U.S. Naval Medical Research Unit No. 6, Lima, Peru
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Chapagain S, Pal Singh P, Le K, Safronetz D, Wood H, Karniychuk U. Japanese encephalitis virus persists in the human reproductive epithelium and porcine reproductive tissues. PLoS Negl Trop Dis 2022; 16:e0010656. [PMID: 35905074 PMCID: PMC9337681 DOI: 10.1371/journal.pntd.0010656] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2022] [Accepted: 07/12/2022] [Indexed: 11/18/2022] Open
Abstract
Japanese encephalitis virus (JEV) is the emerging and geographically expanding flavivirus and the major causative agent of encephalitis in humans in Asia. There are risks of JEV introduction into the Americas given a large population of amplifying hosts-pigs and wild boars, and insect vectors-Culex mosquitoes. There are emerging concerns about vector-free ways of flavivirus transmission, for example sexual and transplacental Zika virus transmissions, which may change flavivirus epidemiology and expand the geographical range to territories with no insect vectors. It is unknown whether JEV has tropism in the female lower reproductive tract and the potential for sexual transmission in humans. While clinical outcomes of transplacental JEV infection are described in humans and pigs, cellular targets and tissue tropism in the upper reproductive tract are also unknown. Here, we studied JEV infection phenotypes and host transcriptional responses in human reproductive epithelial cells. We found that JEV caused persistent infection and cytopathology in the vaginal epithelium, endometrial epithelium, and trophoblast. Human vaginal epithelial cells infected with JEV had altered transcriptional responses associated with inflammation and disruption of epithelial barrier function. Also, using pigs-the native amplifying host for JEV, we confirmed JEV tropism in the female lower and upper reproductive tracts. We discovered that JEV persists in the vaginal mucosa for at least 28 days and pigs shed the virus in vaginal secretions. We also found JEV persistence in the endometrium and placenta with transplacental and fetal infections. Altogether, we discovered that JEV targets the vaginal epithelium and has the potential for sexual transmission in humans. We also contributed to a better understanding of JEV pathogenesis during transplacental infection. Further studies are needed to better understand the interactions of JEV with reproductive tissues, how persistent infection affects female reproductive functions, and the risks for non-vector transmission.
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Affiliation(s)
- Subash Chapagain
- Vaccine and Infectious Disease Organization (VIDO), University of Saskatchewan, Saskatoon, Canada
- Department of Veterinary Microbiology, Western College of Veterinary Medicine, University of Saskatchewan, Saskatoon, Canada
| | - Prince Pal Singh
- Vaccine and Infectious Disease Organization (VIDO), University of Saskatchewan, Saskatoon, Canada
- School of Public Health, University of Saskatchewan, Saskatoon, Canada
| | - Khanh Le
- Vaccine and Infectious Disease Organization (VIDO), University of Saskatchewan, Saskatoon, Canada
| | - David Safronetz
- The National Microbiology Laboratory, Public Health Agency of Canada, Winnipeg, Canada
| | - Heidi Wood
- The National Microbiology Laboratory, Public Health Agency of Canada, Winnipeg, Canada
| | - Uladzimir Karniychuk
- Vaccine and Infectious Disease Organization (VIDO), University of Saskatchewan, Saskatoon, Canada
- Department of Veterinary Microbiology, Western College of Veterinary Medicine, University of Saskatchewan, Saskatoon, Canada
- School of Public Health, University of Saskatchewan, Saskatoon, Canada
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7
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Wald ME, Sieg M, Schilling E, Binder M, Vahlenkamp TW, Claus C. The Interferon Response Dampens the Usutu Virus Infection-Associated Increase in Glycolysis. Front Cell Infect Microbiol 2022; 12:823181. [PMID: 35186796 PMCID: PMC8855070 DOI: 10.3389/fcimb.2022.823181] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/26/2021] [Accepted: 01/11/2022] [Indexed: 01/05/2023] Open
Abstract
The mosquito-borne Usutu virus (USUV) is a zoonotic flavivirus and an emerging pathogen. So far therapeutical options or vaccines are not available in human and veterinary medicine. The bioenergetic profile based on extracellular flux analysis revealed an USUV infection-associated significant increase in basal and stressed glycolysis on Vero and with a tendency for basal glycolysis on the avian cell line TME-R derived from Eurasian blackbirds. On both cell lines this was accompanied by a significant drop in the metabolic potential of glycolysis. Moreover, glycolysis contributed to production of virus progeny, as inhibition of glycolysis with 2-deoxy-D-glucose reduced virus yield on Vero by one log10 step. Additionally, the increase in glycolysis observed on Vero cells after USUV infection was lost after the addition of exogenous type I interferon (IFN) β. To further explore the contribution of the IFN response pathway to the impact of USUV on cellular metabolism, USUV infection was characterized on human A549 respiratory cells with a knockout of the type I IFN receptor, either solely or together with the receptor of type III IFN. Notably, only the double knockout of types I and III IFN receptor increased permissiveness to USUV and supported viral replication together with an alteration of the glycolytic activity, namely an increase in basal glycolysis to an extent that a further increase after injection of metabolic stressors during extracellular flux analysis was not noted. This study provides evidence for glycolysis as a possible target for therapeutic intervention of USUV replication. Moreover, presented data highlight type I and type III IFN system as a determinant for human host cell permissiveness and for the infection-associated impact on glycolysis.
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Affiliation(s)
- Maria Elisabeth Wald
- Institute of Virology, Faculty of Veterinary Medicine, Leipzig University, Leipzig, Germany
- Institute of Medical Microbiology and Virology, Medical Faculty, Leipzig University, Leipzig, Germany
| | - Michael Sieg
- Institute of Virology, Faculty of Veterinary Medicine, Leipzig University, Leipzig, Germany
| | - Erik Schilling
- Institute of Clinical Immunology, Medical Faculty, Leipzig University, Leipzig, Germany
| | - Marco Binder
- Research Group “Dynamics of early viral infection and the innate antiviral response”, Division “Virus-Associated Carcinogenesis”, German Cancer Research Center (DKFZ), Heidelberg, Germany
| | | | - Claudia Claus
- Institute of Medical Microbiology and Virology, Medical Faculty, Leipzig University, Leipzig, Germany
- *Correspondence: Claudia Claus,
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Chapuy-Regaud S, Allioux C, Capelli N, Migueres M, Lhomme S, Izopet J. Vectorial Release of Human RNA Viruses from Epithelial Cells. Viruses 2022; 14:231. [PMID: 35215825 PMCID: PMC8875463 DOI: 10.3390/v14020231] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2021] [Revised: 01/07/2022] [Accepted: 01/21/2022] [Indexed: 02/04/2023] Open
Abstract
Epithelial cells are apico-basolateral polarized cells that line all tubular organs and are often targets for infectious agents. This review focuses on the release of human RNA virus particles from both sides of polarized human cells grown on transwells. Most viruses that infect the mucosa leave their host cells mainly via the apical side while basolateral release is linked to virus propagation within the host. Viruses do this by hijacking the cellular factors involved in polarization and trafficking. Thus, understanding epithelial polarization is essential for a clear understanding of virus pathophysiology.
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Affiliation(s)
- Sabine Chapuy-Regaud
- Department of Virology, CHU Purpan, F-31059 Toulouse, France; (N.C.); (M.M.); (S.L.); (J.I.)
- INFINITy (Toulouse Institute for Infectious and Inflammatory Diseases), INSERM UMR1291, CNRS UMR5051, Université Toulouse III, CHU Purpan, F-31024 Toulouse, France;
| | - Claire Allioux
- INFINITy (Toulouse Institute for Infectious and Inflammatory Diseases), INSERM UMR1291, CNRS UMR5051, Université Toulouse III, CHU Purpan, F-31024 Toulouse, France;
| | - Nicolas Capelli
- Department of Virology, CHU Purpan, F-31059 Toulouse, France; (N.C.); (M.M.); (S.L.); (J.I.)
- INFINITy (Toulouse Institute for Infectious and Inflammatory Diseases), INSERM UMR1291, CNRS UMR5051, Université Toulouse III, CHU Purpan, F-31024 Toulouse, France;
| | - Marion Migueres
- Department of Virology, CHU Purpan, F-31059 Toulouse, France; (N.C.); (M.M.); (S.L.); (J.I.)
- INFINITy (Toulouse Institute for Infectious and Inflammatory Diseases), INSERM UMR1291, CNRS UMR5051, Université Toulouse III, CHU Purpan, F-31024 Toulouse, France;
| | - Sébastien Lhomme
- Department of Virology, CHU Purpan, F-31059 Toulouse, France; (N.C.); (M.M.); (S.L.); (J.I.)
- INFINITy (Toulouse Institute for Infectious and Inflammatory Diseases), INSERM UMR1291, CNRS UMR5051, Université Toulouse III, CHU Purpan, F-31024 Toulouse, France;
| | - Jacques Izopet
- Department of Virology, CHU Purpan, F-31059 Toulouse, France; (N.C.); (M.M.); (S.L.); (J.I.)
- INFINITy (Toulouse Institute for Infectious and Inflammatory Diseases), INSERM UMR1291, CNRS UMR5051, Université Toulouse III, CHU Purpan, F-31024 Toulouse, France;
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Desgraupes S, Hubert M, Gessain A, Ceccaldi PE, Vidy A. Mother-to-Child Transmission of Arboviruses during Breastfeeding: From Epidemiology to Cellular Mechanisms. Viruses 2021; 13:1312. [PMID: 34372518 PMCID: PMC8310101 DOI: 10.3390/v13071312] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2021] [Revised: 06/18/2021] [Accepted: 06/30/2021] [Indexed: 12/20/2022] Open
Abstract
Most viruses use several entry sites and modes of transmission to infect their host (parenteral, sexual, respiratory, oro-fecal, transplacental, transcutaneous, etc.). Some of them are known to be essentially transmitted via arthropod bites (mosquitoes, ticks, phlebotomes, sandflies, etc.), and are thus named arthropod-borne viruses, or arboviruses. During the last decades, several arboviruses have emerged or re-emerged in different countries in the form of notable outbreaks, resulting in a growing interest from scientific and medical communities as well as an increase in epidemiological studies. These studies have highlighted the existence of other modes of transmission. Among them, mother-to-child transmission (MTCT) during breastfeeding was highlighted for the vaccine strain of yellow fever virus (YFV) and Zika virus (ZIKV), and suggested for other arboviruses such as Chikungunya virus (CHIKV), dengue virus (DENV), and West Nile virus (WNV). In this review, we summarize all epidemiological and clinical clues that suggest the existence of breastfeeding as a neglected route for MTCT of arboviruses and we decipher some of the mechanisms that chronologically occur during MTCT via breastfeeding by focusing on ZIKV transmission process.
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Affiliation(s)
- Sophie Desgraupes
- Unité Épidémiologie et Physiopathologie des Virus Oncogènes, Département Virologie, Institut Pasteur, 75015 Paris, France; (M.H.); (A.G.); (P.-E.C.)
- Université de Paris, 75013 Paris, France
- UMR Centre National de la Recherche Scientifique 3569, Institut Pasteur, 75015 Paris, France
| | - Mathieu Hubert
- Unité Épidémiologie et Physiopathologie des Virus Oncogènes, Département Virologie, Institut Pasteur, 75015 Paris, France; (M.H.); (A.G.); (P.-E.C.)
- Université de Paris, 75013 Paris, France
- UMR Centre National de la Recherche Scientifique 3569, Institut Pasteur, 75015 Paris, France
| | - Antoine Gessain
- Unité Épidémiologie et Physiopathologie des Virus Oncogènes, Département Virologie, Institut Pasteur, 75015 Paris, France; (M.H.); (A.G.); (P.-E.C.)
- Université de Paris, 75013 Paris, France
- UMR Centre National de la Recherche Scientifique 3569, Institut Pasteur, 75015 Paris, France
| | - Pierre-Emmanuel Ceccaldi
- Unité Épidémiologie et Physiopathologie des Virus Oncogènes, Département Virologie, Institut Pasteur, 75015 Paris, France; (M.H.); (A.G.); (P.-E.C.)
- Université de Paris, 75013 Paris, France
- UMR Centre National de la Recherche Scientifique 3569, Institut Pasteur, 75015 Paris, France
| | - Aurore Vidy
- Unité Épidémiologie et Physiopathologie des Virus Oncogènes, Département Virologie, Institut Pasteur, 75015 Paris, France; (M.H.); (A.G.); (P.-E.C.)
- Université de Paris, 75013 Paris, France
- UMR Centre National de la Recherche Scientifique 3569, Institut Pasteur, 75015 Paris, France
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10
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Qu G, Chen J, Huang G, Zhang M, Yu H, Zhu H, Chen L, Wang D, Pei B. A quantitative exploration of symptoms in COVID-19 patients: an observational cohort study. Int J Med Sci 2021; 18:1082-1095. [PMID: 33456367 PMCID: PMC7807191 DOI: 10.7150/ijms.53596] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/22/2020] [Accepted: 12/18/2020] [Indexed: 12/15/2022] Open
Abstract
Background: As the spreading of the COVID-19 around the global, we investigated the characteristics and changes of symptoms in COVID-19 patients. Methods: This was an ambispective observational cohort study, and 133 confirmed COVID-19 patients were included and all symptoms over the course were analyzed qualitatively. The symptoms, their changes over the course in the cohort and in the different clinical types, etc. were illustrated. Differences in different periods and severities were analyzed through Chi square test, association with severity was analyzed through LASSO binomial logistic regression analysis. Inter-correlation and classification of symptoms were completed. Major symptoms were screened and their changes were illustrated. Results: A total of 43 symptoms with frequencies as 6067 in this cohort. Differences of symptoms in different stages and clinical types were significant. Expectoration, shortness of breath, dyspnea, diarrhea, poor appetite were positively but vomiting, waist discomfort, pharyngeal discomfort, acid reflux were negatively correlated with the combined-severe and critical type; dyspnea was correlated with the critical type. The 17 major symptoms were identified. The average daily frequency of symptoms per case was decreased continuously before the transition into the severe type and increased immediately one day before the transition and then decreased. It was decreased continuously before the transition date of the critical type and increased from the transition into the critical type to the next day and decreased thereafter. Dyspnea (P<0.001), shortness of breath (P<0.01) and chest distress (P<0.05) were correlated with death and their corresponding coefficient was 0.393, 0.258, 0.214, respectively. Conclusion: The symptoms of COVID-19 patients mainly related to upper respiratory tract infection, cardiopulmonary function, and digestive system. The mild type and the early stage in other types mainly related to upper respiratory tract infection. The cardiopulmonary function and digestive system associated symptoms were found in all other types and stages. Dyspnea was correlated with critical type, and dyspnea, shortness of breath and chest distress were correlated with death. Respiratory dysfunction (or incompleteness) associated symptoms were the characteristic symptoms. The changes of symptoms did not synchronously with the changes of severity before the transition into the severe or critical type.
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Affiliation(s)
- Gaojing Qu
- Department of Evidence-Based Medicine Center, Xiangyang No.1 People's Hospital, Hubei University of Medicine, Xiangyang 441000, Hubei, China
| | - Junwen Chen
- Department of Respiratory and Critical Care Medicine, Xiangyang No.1 People's Hospital, Hubei University of Medicine, Xiangyang 441000, Hubei, China
| | - Guoxin Huang
- Department of Evidence-Based Medicine Center, Xiangyang No.1 People's Hospital, Hubei University of Medicine, Xiangyang 441000, Hubei, China
| | - Meiling Zhang
- Department of Evidence-Based Medicine Center, Xiangyang No.1 People's Hospital, Hubei University of Medicine, Xiangyang 441000, Hubei, China
| | - Hui Yu
- Department of Evidence-Based Medicine Center, Xiangyang No.1 People's Hospital, Hubei University of Medicine, Xiangyang 441000, Hubei, China
| | - Haoming Zhu
- Department of Evidence-Based Medicine Center, Xiangyang No.1 People's Hospital, Hubei University of Medicine, Xiangyang 441000, Hubei, China
| | - Lei Chen
- Department of Evidence-Based Medicine Center, Xiangyang No.1 People's Hospital, Hubei University of Medicine, Xiangyang 441000, Hubei, China
| | - Dengru Wang
- Yunnan Yanling Biological Technology co., LTD, Kunming 650224, Yunnan, China
| | - Bin Pei
- Department of Evidence-Based Medicine Center, Xiangyang No.1 People's Hospital, Hubei University of Medicine, Xiangyang 441000, Hubei, China
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11
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Benzarti E, Garigliany M. In Vitro and In Vivo Models to Study the Zoonotic Mosquito-Borne Usutu Virus. Viruses 2020; 12:E1116. [PMID: 33008141 PMCID: PMC7599730 DOI: 10.3390/v12101116] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/26/2020] [Revised: 09/15/2020] [Accepted: 09/27/2020] [Indexed: 12/18/2022] Open
Abstract
Usutu virus (USUV), a mosquito-borne zoonotic flavivirus discovered in South Africa in 1959, has spread to many European countries over the last 20 years. The virus is currently a major concern for animal health due to its expanding host range and the growing number of avian mass mortality events. Although human infections with USUV are often asymptomatic, they are occasionally accompanied by neurological complications reminiscent of those due to West Nile virus (another flavivirus closely related to USUV). Whilst USUV actually appears less threatening than some other emergent arboviruses, the lessons learned from Chikungunya, Dengue, and Zika viruses during the past few years should not be ignored. Further, it would not be surprising if, with time, USUV disperses further eastwards towards Asia and possibly westwards to the Americas, which may result in more pathogenic USUV strains to humans and/or animals. These observations, inviting the scientific community to be more vigilant about the spread and genetic evolution of USUV, have prompted the use of experimental systems to understand USUV pathogenesis and to boost the development of vaccines and antivirals. This review is the first to provide comprehensive coverage of existing in vitro and in vivo models for USUV infection and to discuss their contribution in advancing data concerning this neurotropic virus. We believe that this paper is a helpful tool for scientists to identify gaps in the knowledge about USUV and to design their future experiments to study the virus.
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Affiliation(s)
| | - Mutien Garigliany
- Fundamental and Applied Research for Animals & Health (FARAH), Faculty of Veterinary Medicine, University of Liège, Sart Tilman B43, B-4000 Liège, Belgium;
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12
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Benzarti E, Sarlet M, Franssen M, Desmecht D, Schmidt-Chanasit J, Garigliany MM. New Insights into the Susceptibility of Immunocompetent Mice to Usutu Virus. Viruses 2020; 12:E189. [PMID: 32046265 PMCID: PMC7077335 DOI: 10.3390/v12020189] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2019] [Revised: 01/29/2020] [Accepted: 02/05/2020] [Indexed: 01/08/2023] Open
Abstract
Usutu virus (USUV) is a mosquito-borne flavivirus that shares many similarities with the closely related West Nile virus (WNV) in terms of ecology and clinical manifestations. Initially distributed in Africa, USUV emerged in Italy in 1996 and managed to co-circulate with WNV in many European countries in a similar mosquito-bird life cycle. The rapid geographic spread of USUV, the seasonal mass mortalities it causes in the European avifauna, and the increasing number of infections with neurological disease both in healthy and immunocompromised humans has stimulated interest in infection studies to delineate USUV pathogenesis. Here, we assessed the pathogenicity of two USUV isolates from a recent Belgian outbreak in immunocompetent mice. The intradermal injection of USUV gave rise to disorientation and paraplegia and was associated with neuronal death in the brain and spinal cord in a single mouse. Intranasal inoculation of USUV could also establish the infection; viral RNA was detected in the brain 15 days post-infection. Overall, this pilot study probes the suitability of this murine model for the study of USUV neuroinvasiveness and the possibility of direct transmission in mammals.
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Affiliation(s)
- Emna Benzarti
- Fundamental and Applied Research for Animals & Health (FARAH), Faculty of Veterinary Medicine, University of Liège, Sart Tilman B43, B-4000 Liège, Belgium; (E.B.); (M.S.); (M.F.); (D.D.)
| | - Michaël Sarlet
- Fundamental and Applied Research for Animals & Health (FARAH), Faculty of Veterinary Medicine, University of Liège, Sart Tilman B43, B-4000 Liège, Belgium; (E.B.); (M.S.); (M.F.); (D.D.)
| | - Mathieu Franssen
- Fundamental and Applied Research for Animals & Health (FARAH), Faculty of Veterinary Medicine, University of Liège, Sart Tilman B43, B-4000 Liège, Belgium; (E.B.); (M.S.); (M.F.); (D.D.)
| | - Daniel Desmecht
- Fundamental and Applied Research for Animals & Health (FARAH), Faculty of Veterinary Medicine, University of Liège, Sart Tilman B43, B-4000 Liège, Belgium; (E.B.); (M.S.); (M.F.); (D.D.)
| | - 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, University of Hamburg, 20354 Hamburg, Germany
| | - Mutien-Marie Garigliany
- Fundamental and Applied Research for Animals & Health (FARAH), Faculty of Veterinary Medicine, University of Liège, Sart Tilman B43, B-4000 Liège, Belgium; (E.B.); (M.S.); (M.F.); (D.D.)
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13
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Usutu Virus: An Arbovirus on the Rise. Viruses 2019; 11:v11070640. [PMID: 31336826 PMCID: PMC6669749 DOI: 10.3390/v11070640] [Citation(s) in RCA: 65] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/11/2019] [Revised: 07/08/2019] [Accepted: 07/09/2019] [Indexed: 12/23/2022] Open
Abstract
The Usutu virus (USUV) is a flavivirus that is drawing increasing attention because of its potential for emergence. First isolated in Africa, it was introduced into Europe where it caused significant outbreaks in birds, such as in Austria in 2001. Since then, its geographical distribution has rapidly expanded, with increased circulation, especially in the last few years. Similar to West Nile virus (WNV), the USUV enzootic transmission cycle involves Culex mosquitoes as vectors, and birds as amplifying reservoir hosts, with humans and other mammals likely being dead-end hosts. A similarity in the ecology of these two viruses, which co-circulate in several European countries, highlights USUV’s potential to become an important human pathogen. While USUV has had a severe impact on the blackbird population, the number of human cases remains low, with most infections being asymptomatic. However, some rare cases of neurological disease have been described, both in healthy and immuno-compromised patients. Here, we will discuss the transmission dynamics and the current state of USUV circulation in Europe.
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