1
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Xiao MT, Ellsworth CR, Qin X. Emerging role of complement in COVID-19 and other respiratory virus diseases. Cell Mol Life Sci 2024; 81:94. [PMID: 38368584 PMCID: PMC10874912 DOI: 10.1007/s00018-024-05157-8] [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: 09/29/2023] [Revised: 01/03/2024] [Accepted: 02/03/2024] [Indexed: 02/19/2024]
Abstract
The complement system, a key component of innate immunity, provides the first line of defense against bacterial infection; however, the COVID-19 pandemic has revealed that it may also engender severe complications in the context of viral respiratory disease. Here, we review the mechanisms of complement activation and regulation and explore their roles in both protecting against infection and exacerbating disease. We discuss emerging evidence related to complement-targeted therapeutics in COVID-19 and compare the role of the complement in other respiratory viral diseases like influenza and respiratory syncytial virus. We review recent mechanistic studies and animal models that can be used for further investigation. Novel knockout studies are proposed to better understand the nuances of the activation of the complement system in respiratory viral diseases.
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Affiliation(s)
- Mark T Xiao
- Division of Comparative Pathology, Tulane National Primate Research Center, Health Sciences Campus, 18703 Three Rivers Road, Covington, LA, 70433, USA
- Department of Microbiology and Immunology, Tulane University School of Medicine, New Orleans, LA, 70112, USA
| | - Calder R Ellsworth
- Division of Comparative Pathology, Tulane National Primate Research Center, Health Sciences Campus, 18703 Three Rivers Road, Covington, LA, 70433, USA
- Department of Microbiology and Immunology, Tulane University School of Medicine, New Orleans, LA, 70112, USA
| | - Xuebin Qin
- Division of Comparative Pathology, Tulane National Primate Research Center, Health Sciences Campus, 18703 Three Rivers Road, Covington, LA, 70433, USA.
- Department of Microbiology and Immunology, Tulane University School of Medicine, New Orleans, LA, 70112, USA.
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2
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Perico L, Benigni A, Remuzzi G. SARS-CoV-2 and the spike protein in endotheliopathy. Trends Microbiol 2024; 32:53-67. [PMID: 37393180 PMCID: PMC10258582 DOI: 10.1016/j.tim.2023.06.004] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2023] [Revised: 06/05/2023] [Accepted: 06/08/2023] [Indexed: 07/03/2023]
Abstract
SARS-CoV-2, the causative agent of COVID-19, primarily affects the epithelial compartment in the upper and lower airways. There is evidence that the microvasculature in both the pulmonary and extrapulmonary systems is a major target of SARS-CoV-2. Consistent with this, vascular dysfunction and thrombosis are the most severe complications in COVID-19. The proinflammatory milieu triggered by the hyperactivation of the immune system by SARS-CoV-2 has been suggested to be the main trigger for endothelial dysfunction during COVID-19. More recently, a rapidly growing number of reports have indicated that SARS-CoV-2 can interact directly with endothelial cells through the spike protein, leading to multiple instances of endothelial dysfunction. Here, we describe all the available findings showing the direct effect of the SARS-CoV-2 spike protein on endothelial cells and offer mechanistic insights into the molecular basis of vascular dysfunction in severe COVID-19.
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Affiliation(s)
- Luca Perico
- Istituto di Ricerche Farmacologiche Mario Negri IRCCS, Centro Anna Maria Astori, Bergamo, Italy.
| | - Ariela Benigni
- Istituto di Ricerche Farmacologiche Mario Negri IRCCS, Centro Anna Maria Astori, Bergamo, Italy
| | - Giuseppe Remuzzi
- Istituto di Ricerche Farmacologiche Mario Negri IRCCS, Centro Anna Maria Astori, Bergamo, Italy
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3
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Corleis B, Bastian M, Hoffmann D, Beer M, Dorhoi A. Animal models for COVID-19 and tuberculosis. Front Immunol 2023; 14:1223260. [PMID: 37638020 PMCID: PMC10451089 DOI: 10.3389/fimmu.2023.1223260] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/15/2023] [Accepted: 07/21/2023] [Indexed: 08/29/2023] Open
Abstract
Respiratory infections cause tremendous morbidity and mortality worldwide. Amongst these diseases, tuberculosis (TB), a bacterial illness caused by Mycobacterium tuberculosis which often affects the lung, and coronavirus disease 2019 (COVID-19) caused by the Severe Acute Respiratory Syndrome Coronavirus type 2 (SARS-CoV-2), stand out as major drivers of epidemics of global concern. Despite their unrelated etiology and distinct pathology, these infections affect the same vital organ and share immunopathogenesis traits and an imperative demand to model the diseases at their various progression stages and localizations. Due to the clinical spectrum and heterogeneity of both diseases experimental infections were pursued in a variety of animal models. We summarize mammalian models employed in TB and COVID-19 experimental investigations, highlighting the diversity of rodent models and species peculiarities for each infection. We discuss the utility of non-human primates for translational research and emphasize on the benefits of non-conventional experimental models such as livestock. We epitomize advances facilitated by animal models with regard to understanding disease pathophysiology and immune responses. Finally, we highlight research areas necessitating optimized models and advocate that research of pulmonary infectious diseases could benefit from cross-fertilization between studies of apparently unrelated diseases, such as TB and COVID-19.
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Affiliation(s)
- Björn Corleis
- Institute of Immunology, Friedrich-Loeffler-Institut, Federal Research Institute for Animal Health, Greifswald-Insel Riems, Germany
| | - Max Bastian
- Friedrich-Loeffler-Institut, Federal Research Institute for Animal Health, Greifswald-Insel Riems, Germany
| | - Donata Hoffmann
- Institute of Diagnostic Virology, Friedrich-Loeffler-Institut, Federal Research Institute for Animal Health, Greifswald-Insel Riems, Germany
| | - Martin Beer
- Institute of Diagnostic Virology, Friedrich-Loeffler-Institut, Federal Research Institute for Animal Health, Greifswald-Insel Riems, Germany
| | - Anca Dorhoi
- Institute of Immunology, Friedrich-Loeffler-Institut, Federal Research Institute for Animal Health, Greifswald-Insel Riems, Germany
- Faculty of Mathematics and Natural Sciences, University of Greifswald, Greifswald, Germany
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4
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De Neck S, Penrice-Randal R, Clark JJ, Sharma P, Bentley EG, Kirby A, Mega DF, Han X, Owen A, Hiscox JA, Stewart JP, Kipar A. The Stereotypic Response of the Pulmonary Vasculature to Respiratory Viral Infections: Findings in Mouse Models of SARS-CoV-2, Influenza A and Gammaherpesvirus Infections. Viruses 2023; 15:1637. [PMID: 37631979 PMCID: PMC10458810 DOI: 10.3390/v15081637] [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: 06/19/2023] [Revised: 07/14/2023] [Accepted: 07/24/2023] [Indexed: 08/27/2023] Open
Abstract
The respiratory system is the main target of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), the cause of coronavirus disease 19 (COVID-19) where acute respiratory distress syndrome is considered the leading cause of death. Changes in pulmonary blood vessels, among which an endothelialitis/endotheliitis has been particularly emphasized, have been suggested to play a central role in the development of acute lung injury. Similar vascular changes are also observed in animal models of COVID-19. The present study aimed to determine whether the latter are specific for SARS-CoV-2 infection, investigating the vascular response in the lungs of mice infected with SARS-CoV-2 and other respiratory viruses (influenza A and murine gammaherpesvirus) by in situ approaches (histology, immunohistology, morphometry) combined with RNA sequencing and bioinformatic analysis. Non-selective recruitment of monocytes and T and B cells from larger muscular veins and arteries was observed with all viruses, matched by a comparable transcriptional response. There was no evidence of endothelial cell infection in any of the models. Both the morphological investigation and the transcriptomics approach support the interpretation that the lung vasculature in mice mounts a stereotypic response to alveolar and respiratory epithelial damage. This may have implications for the treatment and management of respiratory disease in humans.
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Affiliation(s)
- Simon De Neck
- Laboratory for Animal Model Pathology, Vetsuisse Faculty, Institute of Veterinary Pathology, University of Zurich, 8057 Zurich, Switzerland;
| | - Rebekah Penrice-Randal
- Department of Infection Biology & Microbiomes, Institute of Infection, Veterinary and Ecological Sciences, University of Liverpool, Liverpool L3 3RF, UK; (R.P.-R.); (J.J.C.); (P.S.); (E.G.B.); (A.K.); (D.F.M.); (X.H.); (J.A.H.); (J.P.S.)
| | - Jordan J. Clark
- Department of Infection Biology & Microbiomes, Institute of Infection, Veterinary and Ecological Sciences, University of Liverpool, Liverpool L3 3RF, UK; (R.P.-R.); (J.J.C.); (P.S.); (E.G.B.); (A.K.); (D.F.M.); (X.H.); (J.A.H.); (J.P.S.)
| | - Parul Sharma
- Department of Infection Biology & Microbiomes, Institute of Infection, Veterinary and Ecological Sciences, University of Liverpool, Liverpool L3 3RF, UK; (R.P.-R.); (J.J.C.); (P.S.); (E.G.B.); (A.K.); (D.F.M.); (X.H.); (J.A.H.); (J.P.S.)
| | - Eleanor G. Bentley
- Department of Infection Biology & Microbiomes, Institute of Infection, Veterinary and Ecological Sciences, University of Liverpool, Liverpool L3 3RF, UK; (R.P.-R.); (J.J.C.); (P.S.); (E.G.B.); (A.K.); (D.F.M.); (X.H.); (J.A.H.); (J.P.S.)
| | - Adam Kirby
- Department of Infection Biology & Microbiomes, Institute of Infection, Veterinary and Ecological Sciences, University of Liverpool, Liverpool L3 3RF, UK; (R.P.-R.); (J.J.C.); (P.S.); (E.G.B.); (A.K.); (D.F.M.); (X.H.); (J.A.H.); (J.P.S.)
| | - Daniele F. Mega
- Department of Infection Biology & Microbiomes, Institute of Infection, Veterinary and Ecological Sciences, University of Liverpool, Liverpool L3 3RF, UK; (R.P.-R.); (J.J.C.); (P.S.); (E.G.B.); (A.K.); (D.F.M.); (X.H.); (J.A.H.); (J.P.S.)
| | - Ximeng Han
- Department of Infection Biology & Microbiomes, Institute of Infection, Veterinary and Ecological Sciences, University of Liverpool, Liverpool L3 3RF, UK; (R.P.-R.); (J.J.C.); (P.S.); (E.G.B.); (A.K.); (D.F.M.); (X.H.); (J.A.H.); (J.P.S.)
| | - Andrew Owen
- Centre of Excellence in Long-Acting Therapeutics (CELT), Department of Pharmacology and Therapeutics, University of Liverpool, Liverpool L3 3RF, UK;
| | - Julian A. Hiscox
- Department of Infection Biology & Microbiomes, Institute of Infection, Veterinary and Ecological Sciences, University of Liverpool, Liverpool L3 3RF, UK; (R.P.-R.); (J.J.C.); (P.S.); (E.G.B.); (A.K.); (D.F.M.); (X.H.); (J.A.H.); (J.P.S.)
| | - James P. Stewart
- Department of Infection Biology & Microbiomes, Institute of Infection, Veterinary and Ecological Sciences, University of Liverpool, Liverpool L3 3RF, UK; (R.P.-R.); (J.J.C.); (P.S.); (E.G.B.); (A.K.); (D.F.M.); (X.H.); (J.A.H.); (J.P.S.)
| | - Anja Kipar
- Laboratory for Animal Model Pathology, Vetsuisse Faculty, Institute of Veterinary Pathology, University of Zurich, 8057 Zurich, Switzerland;
- Department of Infection Biology & Microbiomes, Institute of Infection, Veterinary and Ecological Sciences, University of Liverpool, Liverpool L3 3RF, UK; (R.P.-R.); (J.J.C.); (P.S.); (E.G.B.); (A.K.); (D.F.M.); (X.H.); (J.A.H.); (J.P.S.)
- Department of Basic Veterinary Sciences, Faculty of Veterinary Medicine, University of Helsinki, 00790 Helsinki, Finland
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5
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Perico L, Morigi M, Pezzotta A, Locatelli M, Imberti B, Corna D, Cerullo D, Benigni A, Remuzzi G. SARS-CoV-2 spike protein induces lung endothelial cell dysfunction and thrombo-inflammation depending on the C3a/C3a receptor signalling. Sci Rep 2023; 13:11392. [PMID: 37452090 PMCID: PMC10349115 DOI: 10.1038/s41598-023-38382-5] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2023] [Accepted: 07/07/2023] [Indexed: 07/18/2023] Open
Abstract
The spike protein of Severe Acute Respiratory Syndrome Coronavirus 2 (SARS-CoV-2) can interact with endothelial cells. However, no studies demonstrated the direct effect of the spike protein subunit 1 (S1) in inducing lung vascular damage and the potential mechanisms contributing to lung injury. Here, we found that S1 injection in mice transgenic for human angiotensin converting enzyme 2 (ACE2) induced early loss of lung endothelial thromboresistance at 3 days, as revealed by thrombomodulin loss and von Willebrand factor (vWF) increase. In parallel, vascular and epithelial C3 deposits and enhanced C3a receptor (C3aR) expression were observed. These changes preceded diffuse alveolar damage and lung vascular fibrin(ogen)/platelets aggregates at 7 days, as well as inflammatory cell recruitment and fibrosis. Treatment with C3aR antagonist (C3aRa) inhibited lung C3 accumulation and C3a/C3aR activation, limiting vascular thrombo-inflammation and fibrosis. Our study demonstrates that S1 triggers vascular dysfunction and activates complement system, instrumental to lung thrombo-inflammatory injury. By extension, our data indicate C3aRa as a valuable therapeutic strategy to limit S1-dependent lung pathology.
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Affiliation(s)
- Luca Perico
- Istituto di Ricerche Farmacologiche Mario Negri IRCCS, Bergamo, Italy.
| | - Marina Morigi
- Istituto di Ricerche Farmacologiche Mario Negri IRCCS, Bergamo, Italy
| | - Anna Pezzotta
- Istituto di Ricerche Farmacologiche Mario Negri IRCCS, Bergamo, Italy
| | - Monica Locatelli
- Istituto di Ricerche Farmacologiche Mario Negri IRCCS, Bergamo, Italy
| | - Barbara Imberti
- Istituto di Ricerche Farmacologiche Mario Negri IRCCS, Bergamo, Italy
| | - Daniela Corna
- Istituto di Ricerche Farmacologiche Mario Negri IRCCS, Bergamo, Italy
| | - Domenico Cerullo
- Istituto di Ricerche Farmacologiche Mario Negri IRCCS, Bergamo, Italy
| | - Ariela Benigni
- Istituto di Ricerche Farmacologiche Mario Negri IRCCS, Bergamo, Italy
| | - Giuseppe Remuzzi
- Istituto di Ricerche Farmacologiche Mario Negri IRCCS, Bergamo, Italy
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Gonzalez-Hernandez M, Kaiser FK, Steffen I, Ciurkiewicz M, van Amerongen G, Tchelet R, Emalfarb M, Saloheimo M, Wiebe MG, Vitikainen M, Albulescu IC, Bosch BJ, Baumgärtner W, Haagmans BL, Osterhaus ADME. Preclinical immunogenicity and protective efficacy of a SARS-CoV-2 RBD-based vaccine produced with the thermophilic filamentous fungal expression system Thermothelomyces heterothallica C1. Front Immunol 2023; 14:1204834. [PMID: 37359531 PMCID: PMC10289020 DOI: 10.3389/fimmu.2023.1204834] [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: 04/12/2023] [Accepted: 05/22/2023] [Indexed: 06/28/2023] Open
Abstract
Introduction The emergency use of vaccines has been the most efficient way to control the coronavirus disease 19 (COVID-19) pandemic. However, the emergence of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) variants of concern has reduced the efficacy of currently used vaccines. The receptor-binding domain (RBD) of the SARS-CoV-2 spike (S) protein is the main target for virus neutralizing (VN) antibodies. Methods A SARS-CoV-2 RBD vaccine candidate was produced in the Thermothelomyces heterothallica (formerly, Myceliophthora thermophila) C1 protein expression system and coupled to a nanoparticle. Immunogenicity and efficacy of this vaccine candidate was tested using the Syrian golden hamster (Mesocricetus auratus) infection model. Results One dose of 10-μg RBD vaccine based on SARS-CoV-2 Wuhan strain, coupled to a nanoparticle in combination with aluminum hydroxide as adjuvant, efficiently induced VN antibodies and reduced viral load and lung damage upon SARS-CoV-2 challenge infection. The VN antibodies neutralized SARS-CoV-2 variants of concern: D614G, Alpha, Beta, Gamma, and Delta. Discussion Our results support the use of the Thermothelomyces heterothallica C1 protein expression system to produce recombinant vaccines against SARS-CoV-2 and other virus infections to help overcome limitations associated with the use of mammalian expression system.
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Affiliation(s)
- Mariana Gonzalez-Hernandez
- Research Center for Emerging Infections and Zoonoses, University of Veterinary Medicine Hannover, Foundation, Hannover, Germany
| | - Franziska Karola Kaiser
- Research Center for Emerging Infections and Zoonoses, University of Veterinary Medicine Hannover, Foundation, Hannover, Germany
| | - Imke Steffen
- Research Center for Emerging Infections and Zoonoses, University of Veterinary Medicine Hannover, Foundation, Hannover, Germany
- Institute for Biochemistry, University of Veterinary Medicine Hannover, Foundation, Hannover, Germany
| | - Malgorzata Ciurkiewicz
- Department of Pathology, University of Veterinary Medicine Hannover, Foundation, Hannover, Germany
| | | | - Ronen Tchelet
- Dyadic International, Inc., Jupiter, FL, United States
| | - Mark Emalfarb
- Dyadic International, Inc., Jupiter, FL, United States
| | | | | | | | - Irina C. Albulescu
- Virology Section, Infectious Diseases and Immunology Division, Department of Biomolecular Health Sciences, Faculty of Veterinary Medicine, Utrecht University, Utrecht, Netherlands
| | - Berend-Jan Bosch
- Virology Section, Infectious Diseases and Immunology Division, Department of Biomolecular Health Sciences, Faculty of Veterinary Medicine, Utrecht University, Utrecht, Netherlands
| | - Wolfgang Baumgärtner
- Department of Pathology, University of Veterinary Medicine Hannover, Foundation, Hannover, Germany
| | - Bart L. Haagmans
- Department of Viroscience, Erasmus Medical Center, Rotterdam, Netherlands
| | - Albert D. M. E. Osterhaus
- Research Center for Emerging Infections and Zoonoses, University of Veterinary Medicine Hannover, Foundation, Hannover, Germany
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7
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Heydemann L, Ciurkiewicz M, Beythien G, Becker K, Schughart K, Stanelle-Bertram S, Schaumburg B, Mounogou-Kouassi N, Beck S, Zickler M, Kühnel M, Gabriel G, Beineke A, Baumgärtner W, Armando F. Hamster model for post-COVID-19 alveolar regeneration offers an opportunity to understand post-acute sequelae of SARS-CoV-2. Nat Commun 2023; 14:3267. [PMID: 37277327 DOI: 10.1038/s41467-023-39049-5] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/09/2023] [Accepted: 05/26/2023] [Indexed: 06/07/2023] Open
Abstract
COVID-19 survivors often suffer from post-acute sequelae of SARS-CoV-2 infection (PASC). Current evidence suggests dysregulated alveolar regeneration as a possible explanation for respiratory PASC, which deserves further investigation in a suitable animal model. This study investigates morphological, phenotypical and transcriptomic features of alveolar regeneration in SARS-CoV-2 infected Syrian golden hamsters. We demonstrate that CK8+ alveolar differentiation intermediate (ADI) cells occur following SARS-CoV-2-induced diffuse alveolar damage. A subset of ADI cells shows nuclear accumulation of TP53 at 6- and 14-days post infection (dpi), indicating a prolonged arrest in the ADI state. Transcriptome data show high module scores for pathways involved in cell senescence, epithelial-mesenchymal transition, and angiogenesis in cell clusters with high ADI gene expression. Moreover, we show that multipotent CK14+ airway basal cell progenitors migrate out of terminal bronchioles, aiding alveolar regeneration. At 14 dpi, ADI cells, peribronchiolar proliferates, M2-macrophages, and sub-pleural fibrosis are observed, indicating incomplete alveolar restoration. The results demonstrate that the hamster model reliably phenocopies indicators of a dysregulated alveolar regeneration of COVID-19 patients. The results provide important information on a translational COVID-19 model, which is crucial for its application in future research addressing pathomechanisms of PASC and in testing of prophylactic and therapeutic approaches for this syndrome.
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Affiliation(s)
- Laura Heydemann
- Department of Pathology, University of Veterinary Medicine, Foundation, Hannover, Germany
| | - Małgorzata Ciurkiewicz
- Department of Pathology, University of Veterinary Medicine, Foundation, Hannover, Germany
| | - Georg Beythien
- Department of Pathology, University of Veterinary Medicine, Foundation, Hannover, Germany
| | - Kathrin Becker
- Department of Pathology, University of Veterinary Medicine, Foundation, Hannover, Germany
| | - Klaus Schughart
- Department of Microbiology, Immunology and Biochemistry, University of Tennessee Health Science Center, Memphis, Tennessee, USA
- Institute of Virology Münster, University of Münster, Münster, Germany
| | | | - Berfin Schaumburg
- Department for Viral Zoonoses-One Health, Leibniz Institute for Virology, Hamburg, Germany
| | - Nancy Mounogou-Kouassi
- Department for Viral Zoonoses-One Health, Leibniz Institute for Virology, Hamburg, Germany
| | - Sebastian Beck
- Department for Viral Zoonoses-One Health, Leibniz Institute for Virology, Hamburg, Germany
| | - Martin Zickler
- Department for Viral Zoonoses-One Health, Leibniz Institute for Virology, Hamburg, Germany
| | - Mark Kühnel
- Institute of Pathology, Hannover Medical School (MHH), Hannover, Germany
- Member of the German Center for Lung Research (DZL), Biomedical Research in Endstage and Obstructive Lung Disease Hannover (BREATH), Hannover Medical School (MHH), Hannover, Germany
| | - Gülsah Gabriel
- Department for Viral Zoonoses-One Health, Leibniz Institute for Virology, Hamburg, Germany
| | - Andreas Beineke
- Department of Pathology, University of Veterinary Medicine, Foundation, Hannover, Germany
| | - Wolfgang Baumgärtner
- Department of Pathology, University of Veterinary Medicine, Foundation, Hannover, Germany.
| | - Federico Armando
- Department of Pathology, University of Veterinary Medicine, Foundation, Hannover, Germany
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8
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Ball EE, Weiss CM, Liu H, Jackson K, Keel MK, Miller CJ, Van Rompay KKA, Coffey LL, Pesavento PA. Severe Acute Respiratory Syndrome Coronavirus 2 Vasculopathy in a Syrian Golden Hamster Model. THE AMERICAN JOURNAL OF PATHOLOGY 2023; 193:690-701. [PMID: 36906263 PMCID: PMC9998130 DOI: 10.1016/j.ajpath.2023.02.013] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/22/2022] [Revised: 02/01/2023] [Accepted: 02/13/2023] [Indexed: 03/11/2023]
Abstract
Clinical evidence of vascular dysfunction and hypercoagulability as well as pulmonary vascular damage and microthrombosis are frequently reported in severe cases of human coronavirus disease 2019 (COVID-19). Syrian golden hamsters recapitulate histopathologic pulmonary vascular lesions reported in patients with COVID-19. Herein, special staining techniques and transmission electron microscopy further define vascular pathologies in a Syrian golden hamster model of human COVID-19. The results show that regions of active pulmonary inflammation in severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) infection are characterized by ultrastructural evidence of endothelial damage with platelet marginalization and both perivascular and subendothelial macrophage infiltration. SARS-CoV-2 antigen/RNA was not detectable within affected blood vessels. Taken together, these findings suggest that the prominent microscopic vascular lesions in SARS-CoV-2-inoculated hamsters likely occur due to endothelial damage followed by platelet and macrophage infiltration.
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Affiliation(s)
- Erin E Ball
- Department of Pathology, Microbiology, and Immunology, University of California, Davis, California; US Army Veterinary Corps, Washington, District of Columbia
| | - Christopher M Weiss
- Department of Pathology, Microbiology, and Immunology, University of California, Davis, California
| | - Hongwei Liu
- Department of Pathology, Microbiology, and Immunology, University of California, Davis, California
| | - Kenneth Jackson
- Department of Pathology, Microbiology, and Immunology, University of California, Davis, California
| | - M Kevin Keel
- Department of Pathology, Microbiology, and Immunology, University of California, Davis, California
| | - Christopher J Miller
- California National Primate Center, University of California, Davis, California; Center for Immunology and Infectious Diseases, University of California, Davis, California
| | - Koen K A Van Rompay
- Department of Pathology, Microbiology, and Immunology, University of California, Davis, California; California National Primate Center, University of California, Davis, California
| | - Lark L Coffey
- Department of Pathology, Microbiology, and Immunology, University of California, Davis, California.
| | - Patricia A Pesavento
- Department of Pathology, Microbiology, and Immunology, University of California, Davis, California
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9
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Wang M, Yu F, Chang W, Zhang Y, Zhang L, Li P. Inflammasomes: a rising star on the horizon of COVID-19 pathophysiology. Front Immunol 2023; 14:1185233. [PMID: 37251383 PMCID: PMC10213254 DOI: 10.3389/fimmu.2023.1185233] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2023] [Accepted: 05/02/2023] [Indexed: 05/31/2023] Open
Abstract
Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) is a contagious respiratory virus that is the cause of the coronavirus disease 2019 (COVID-19) pandemic which has posed a serious threat to public health. COVID-19 is characterized by a wide spectrum of clinical manifestations, ranging from asymptomatic infection to mild cold-like symptoms, severe pneumonia or even death. Inflammasomes are supramolecular signaling platforms that assemble in response to danger or microbial signals. Upon activation, inflammasomes mediate innate immune defense by favoring the release of proinflammatory cytokines and triggering pyroptotic cell death. Nevertheless, abnormalities in inflammasome functioning can result in a variety of human diseases such as autoimmune disorders and cancer. A growing body of evidence has showed that SARS-CoV-2 infection can induce inflammasome assembly. Dysregulated inflammasome activation and consequent cytokine burst have been associated with COVID-19 severity, alluding to the implication of inflammasomes in COVID-19 pathophysiology. Accordingly, an improved understanding of inflammasome-mediated inflammatory cascades in COVID-19 is essential to uncover the immunological mechanisms of COVID-19 pathology and identify effective therapeutic approaches for this devastating disease. In this review, we summarize the most recent findings on the interplay between SARS-CoV-2 and inflammasomes and the contribution of activated inflammasomes to COVID-19 progression. We dissect the mechanisms involving the inflammasome machinery in COVID-19 immunopathogenesis. In addition, we provide an overview of inflammasome-targeted therapies or antagonists that have potential clinical utility in COVID-19 treatment.
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Affiliation(s)
- Man Wang
- *Correspondence: Man Wang, ; Peifeng Li,
| | | | | | | | | | - Peifeng Li
- *Correspondence: Man Wang, ; Peifeng Li,
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10
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Liu M, Gan H, Liang Z, Liu L, Liu Q, Mai Y, Chen H, Lei B, Yu S, Chen H, Zheng P, Sun B. Review of therapeutic mechanisms and applications based on SARS-CoV-2 neutralizing antibodies. Front Microbiol 2023; 14:1122868. [PMID: 37007494 PMCID: PMC10060843 DOI: 10.3389/fmicb.2023.1122868] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2022] [Accepted: 02/23/2023] [Indexed: 03/18/2023] Open
Abstract
COVID-19 pandemic is a global public health emergency. Despite extensive research, there are still few effective treatment options available today. Neutralizing-antibody-based treatments offer a broad range of applications, including the prevention and treatment of acute infectious diseases. Hundreds of SARS-CoV-2 neutralizing antibody studies are currently underway around the world, with some already in clinical applications. The development of SARS-CoV-2 neutralizing antibody opens up a new therapeutic option for COVID-19. We intend to review our current knowledge about antibodies targeting various regions (i.e., RBD regions, non-RBD regions, host cell targets, and cross-neutralizing antibodies), as well as the current scientific evidence for neutralizing-antibody-based treatments based on convalescent plasma therapy, intravenous immunoglobulin, monoclonal antibodies, and recombinant drugs. The functional evaluation of antibodies (i.e., in vitro or in vivo assays) is also discussed. Finally, some current issues in the field of neutralizing-antibody-based therapies are highlighted.
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Affiliation(s)
- Mingtao Liu
- National Center for Respiratory Medicine, The First Affiliated Hospital of Guangzhou Medical University, National Clinical Research Center for Respiratory Disease, State Key Laboratory of Respiratory Disease, Guangzhou Institute of Respiratory Health, Guangzhou, China
| | - Hui Gan
- National Center for Respiratory Medicine, The First Affiliated Hospital of Guangzhou Medical University, National Clinical Research Center for Respiratory Disease, State Key Laboratory of Respiratory Disease, Guangzhou Institute of Respiratory Health, Guangzhou, China
| | - Zhiman Liang
- National Center for Respiratory Medicine, The First Affiliated Hospital of Guangzhou Medical University, National Clinical Research Center for Respiratory Disease, State Key Laboratory of Respiratory Disease, Guangzhou Institute of Respiratory Health, Guangzhou, China
| | - Li Liu
- Guangzhou Medical University, Guangzhou, China
| | - Qiwen Liu
- Guangzhou Medical University, Guangzhou, China
| | - Yiyin Mai
- Guangzhou Medical University, Guangzhou, China
| | | | - Baoying Lei
- Guangzhou Medical University, Guangzhou, China
| | - Shangwei Yu
- Guangzhou Medical University, Guangzhou, China
| | - Huihui Chen
- Guangzhou Medical University, Guangzhou, China
| | - Peiyan Zheng
- National Center for Respiratory Medicine, The First Affiliated Hospital of Guangzhou Medical University, National Clinical Research Center for Respiratory Disease, State Key Laboratory of Respiratory Disease, Guangzhou Institute of Respiratory Health, Guangzhou, China
| | - Baoqing Sun
- National Center for Respiratory Medicine, The First Affiliated Hospital of Guangzhou Medical University, National Clinical Research Center for Respiratory Disease, State Key Laboratory of Respiratory Disease, Guangzhou Institute of Respiratory Health, Guangzhou, China
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11
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de Vries F, Huckriede J, Wichapong K, Reutelingsperger C, Nicolaes GAF. The role of extracellular histones in COVID-19. J Intern Med 2023; 293:275-292. [PMID: 36382685 PMCID: PMC10108027 DOI: 10.1111/joim.13585] [Citation(s) in RCA: 9] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
The severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) had spread from China and, within 2 months, became a global pandemic. The infection from this disease can cause a diversity of symptoms ranging from asymptomatic to severe acute respiratory distress syndrome with an increased risk of vascular hyperpermeability, pulmonary inflammation, extensive lung damage, and thrombosis. One of the host defense systems against coronavirus disease 2019 (COVID-19) is the formation of neutrophil extracellular traps (NETs). Numerous studies on this disease have revealed the presence of elevated levels of NET components, such as cell-free DNA, extracellular histones, neutrophil elastase, and myeloperoxidase, in plasma, serum, and tracheal aspirates of severe COVID-19 patients. Extracellular histones, a major component of NETs, are clinically very relevant as they represent promising biomarkers and drug targets, given that several studies have identified histones as key mediators in the onset and progression of various diseases, including COVID-19. However, the role of extracellular histones in COVID-19 per se remains relatively underexplored. Histones are nuclear proteins that can be released into the extracellular space via apoptosis, necrosis, or NET formation and are then regarded as cytotoxic damage-associated molecular patterns that have the potential to damage tissues and impair organ function. This review will highlight the mechanisms of extracellular histone-mediated cytotoxicity and focus on the role that histones play in COVID-19. Thereby, this paper facilitates a bench-to-bedside view of extracellular histone-mediated cytotoxicity, its role in COVID-19, and histones as potential drug targets and biomarkers for future theranostics in the clinical treatment of COVID-19 patients.
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Affiliation(s)
- Femke de Vries
- Department of Biochemistry, Cardiovascular Research Institute Maastricht (CARIM), Maastricht University, Maastricht, The Netherlands
| | - Joram Huckriede
- Department of Biochemistry, Cardiovascular Research Institute Maastricht (CARIM), Maastricht University, Maastricht, The Netherlands
| | - Kanin Wichapong
- Department of Biochemistry, Cardiovascular Research Institute Maastricht (CARIM), Maastricht University, Maastricht, The Netherlands
| | - Chris Reutelingsperger
- Department of Biochemistry, Cardiovascular Research Institute Maastricht (CARIM), Maastricht University, Maastricht, The Netherlands
| | - Gerry A F Nicolaes
- Department of Biochemistry, Cardiovascular Research Institute Maastricht (CARIM), Maastricht University, Maastricht, The Netherlands
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12
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Gabrielson K, Myers S, Yi J, Gabrielson E, Jimenez IA. Comparison of Cardiovascular Pathology In Animal Models of SARS-CoV-2 Infection: Recommendations Regarding Standardization of Research Methods. Comp Med 2023; 73:58-71. [PMID: 36731878 PMCID: PMC9948900 DOI: 10.30802/aalas-cm-22-000095] [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: 08/16/2022] [Revised: 10/04/2022] [Accepted: 01/06/2023] [Indexed: 02/04/2023]
Abstract
Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) emerged as the viral pathogen that led to the global COVID-19 pandemic that began in late 2019. Because SARS-CoV-2 primarily causes a respiratory disease, much research conducted to date has focused on the respiratory system. However, SARS-CoV-2 infection also affects other organ systems, including the cardiovascular system. In this critical analysis of published data, we evaluate the evidence of cardiovascular pathology in human patients and animals. Overall, we find that the presence or absence of cardiovascular pathology is reported infrequently in both human autopsy studies and animal models of SARS-CoV-2 infection. Moreover, in those studies that have reported cardiovascular pathology, we identified issues in their design and execution that reduce confidence in the conclusions regarding SARS-CoV-2 infection as a cause of significant cardiovascular pathology. Throughout this overview, we expand on these limitations and provide recommendations to ensure a high level of scientific rigor and reproducibility.
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Affiliation(s)
- Kathleen Gabrielson
- Department of Molecular and Comparative Pathobiology, The Johns Hopkins University School of Medicine, Baltimore, Maryland
| | - Stephanie Myers
- School of Veterinary Medicine, Texas Tech University, Amarillo, Texas; and
| | - Jena Yi
- Department of Molecular and Comparative Pathobiology, The Johns Hopkins University School of Medicine, Baltimore, Maryland
| | - Edward Gabrielson
- Department of Pathology, The Johns Hopkins University School of Medicine, Baltimore, Maryland
| | - Isabel A Jimenez
- Department of Molecular and Comparative Pathobiology, The Johns Hopkins University School of Medicine, Baltimore, Maryland
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13
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Coagulation Disorders in Sepsis and COVID-19-Two Sides of the Same Coin? A Review of Inflammation-Coagulation Crosstalk in Bacterial Sepsis and COVID-19. J Clin Med 2023; 12:jcm12020601. [PMID: 36675530 PMCID: PMC9866352 DOI: 10.3390/jcm12020601] [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: 11/22/2022] [Revised: 12/27/2022] [Accepted: 01/10/2023] [Indexed: 01/15/2023] Open
Abstract
Sepsis is a major cause of morbidity and mortality worldwide. Sepsis-associated coagulation disorders are involved in the pathogenesis of multiorgan failure and lead to a subsequently worsening prognosis. Alongside the global impact of the COVID-19 pandemic, a great number of research papers have focused on SARS-CoV-2 pathogenesis and treatment. Significant progress has been made in this regard and coagulation disturbances were once again found to underlie some of the most serious adverse outcomes of SARS-CoV-2 infection, such as acute lung injury and multiorgan dysfunction. In the attempt of untangling the mechanisms behind COVID-19-associated coagulopathy (CAC), a series of similarities with sepsis-induced coagulopathy (SIC) became apparent. Whether they are, in fact, the same disease has not been established yet. The clinical picture of CAC shows the unique feature of an initial phase of intravascular coagulation confined to the respiratory system. Only later on, patients can develop a clinically significant form of systemic coagulopathy, possibly with a consumptive pattern, but, unlike SIC, it is not a key feature. Deepening our understanding of CAC pathogenesis has to remain a major goal for the research community, in order to design and validate accurate definitions and classification criteria.
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14
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Suresh V, Behera P, Parida D, Mohapatra AP, Das SK, Kumari S, Avula K, Mohapatra A, Syed GH, Senapati S. Therapeutic role of N-acetyl cysteine (NAC) for the treatment and/or management of SARS-CoV-2-induced lung damage in hamster model. Eur J Pharmacol 2023; 938:175392. [PMID: 36400163 PMCID: PMC9663386 DOI: 10.1016/j.ejphar.2022.175392] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2022] [Revised: 11/04/2022] [Accepted: 11/10/2022] [Indexed: 11/17/2022]
Abstract
Oxidative stress by reactive oxygen species (ROS) has been hypothesized to be the major mediator of SARS-CoV-2-induced pathogenesis. During infection, the redox homeostasis of cells is altered as a consequence of virus-induced cellular stress and inflammation. In such scenario, high levels of ROS bring about the production of pro-inflammatory molecules like IL-6, IL-1β, etc. that are believed to be the mediators of severe COVID-19 pathology. Based on the known antioxidant, anti-inflammatory, mucolytic and antiviral properties of NAC, it has been hypothesized that NAC will have beneficial effects in COVID-19 patients. In the current study efforts have been made to evaluate the protective effect of NAC in combination with remdesivir against SARS-CoV-2 induced lung damage in the hamster model. The SARS-CoV-2 infected animals were administered with high (500 mg/kg/day) and low (150 mg/kg/day) doses of NAC intraperitoneally with and without remdesivir. Lung viral load, pathology score and expression of inflammatory molecules were checked by using standard techniques. The findings of this study show that high doses of NAC alone can significantly suppress the SARS-CoV-2 mediated severe lung damage (2 fold), but on the contrary, it fails to restrict viral load. Moreover, high doses of NAC with and without remdesivir significantly suppressed the expression of pro-inflammatory genes including IL-6 (4.16 fold), IL-1β (1.96 fold), and TNF-α (5.55 fold) in lung tissues. Together, results of this study may guide future preclinical and clinical attempts to evaluate the efficacy of different doses and routes of NAC administration with or without other drugs against SARS-CoV-2 infection.
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Affiliation(s)
- Voddu Suresh
- Institute of Life Sciences, Bhubaneswar, Odisha, India; Regional Centre for Biotechnology, Faridabad, Haryana, India
| | - Padmanava Behera
- Institute of Life Sciences, Bhubaneswar, Odisha, India; Department of Microbiology, SOA University, Bhubaneswar, Odisha, India
| | - Deepti Parida
- Institute of Life Sciences, Bhubaneswar, Odisha, India; Regional Centre for Biotechnology, Faridabad, Haryana, India
| | - Amlan Priyadarshee Mohapatra
- Institute of Life Sciences, Bhubaneswar, Odisha, India; Regional Centre for Biotechnology, Faridabad, Haryana, India
| | | | - Sneha Kumari
- Institute of Life Sciences, Bhubaneswar, Odisha, India
| | - Kiran Avula
- Institute of Life Sciences, Bhubaneswar, Odisha, India; Regional Centre for Biotechnology, Faridabad, Haryana, India
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15
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Lim EHT, van Amstel RBE, de Boer VV, van Vught LA, de Bruin S, Brouwer MC, Vlaar APJ, van de Beek D. Complement activation in COVID-19 and targeted therapeutic options: A scoping review. Blood Rev 2023; 57:100995. [PMID: 35934552 PMCID: PMC9338830 DOI: 10.1016/j.blre.2022.100995] [Citation(s) in RCA: 17] [Impact Index Per Article: 17.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2022] [Revised: 07/07/2022] [Accepted: 07/27/2022] [Indexed: 01/28/2023]
Abstract
Increasing evidence suggests that activation of the complement system plays a key role in the pathogenesis and disease severity of Coronavirus disease 2019 (COVID-19). We used a systematic approach to create an overview of complement activation in COVID-19 based on histopathological, preclinical, multiomics, observational and clinical interventional studies. A total of 1801 articles from PubMed, EMBASE and Cochrane was screened of which 157 articles were included in this scoping review. Histopathological, preclinical, multiomics and observational studies showed apparent complement activation through all three complement pathways and a correlation with disease severity and mortality. The complement system was targeted at different levels in COVID-19, of which C5 and C5a inhibition seem most promising. Adequately powered, double blind RCTs are necessary in order to further investigate the effect of targeting the complement system in COVID-19.
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Affiliation(s)
- Endry Hartono Taslim Lim
- Amsterdam UMC location University of Amsterdam, Department of Intensive Care Medicine, Meibergdreef 9, Amsterdam, the Netherlands,Amsterdam UMC Location University of Amsterdam, Laboratory of Experimental Intensive Care and Anesthesiology (L.E.I.C.A.), Amsterdam, the Netherlands,Amsterdam UMC location University of Amsterdam, Department of Neurology, Meibergdreef 9, Amsterdam, the Netherlands,Amsterdam Neuroscience, Amsterdam, the Netherlands
| | - Rombout Benjamin Ezra van Amstel
- Amsterdam UMC location University of Amsterdam, Department of Intensive Care Medicine, Meibergdreef 9, Amsterdam, the Netherlands,Amsterdam UMC Location University of Amsterdam, Laboratory of Experimental Intensive Care and Anesthesiology (L.E.I.C.A.), Amsterdam, the Netherlands
| | - Vieve Victoria de Boer
- Amsterdam UMC location University of Amsterdam, Department of Intensive Care Medicine, Meibergdreef 9, Amsterdam, the Netherlands
| | - Lonneke Alette van Vught
- Amsterdam UMC location University of Amsterdam, Department of Intensive Care Medicine, Meibergdreef 9, Amsterdam, the Netherlands,Amsterdam UMC location University of Amsterdam, Center for Experimental and Molecular Medicine, Amsterdam, the Netherlands
| | - Sanne de Bruin
- Amsterdam UMC location University of Amsterdam, Department of Intensive Care Medicine, Meibergdreef 9, Amsterdam, the Netherlands,Amsterdam UMC Location University of Amsterdam, Laboratory of Experimental Intensive Care and Anesthesiology (L.E.I.C.A.), Amsterdam, the Netherlands
| | - Matthijs Christian Brouwer
- Amsterdam UMC location University of Amsterdam, Department of Neurology, Meibergdreef 9, Amsterdam, the Netherlands,Amsterdam Neuroscience, Amsterdam, the Netherlands
| | - Alexander Petrus Johannes Vlaar
- Amsterdam UMC location University of Amsterdam, Department of Intensive Care Medicine, Meibergdreef 9, Amsterdam, the Netherlands; Amsterdam UMC Location University of Amsterdam, Laboratory of Experimental Intensive Care and Anesthesiology (L.E.I.C.A.), Amsterdam, the Netherlands.
| | - Diederik van de Beek
- Amsterdam UMC location University of Amsterdam, Department of Neurology, Meibergdreef 9, Amsterdam, the Netherlands,Amsterdam Neuroscience, Amsterdam, the Netherlands
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16
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Targeting neutrophils extracellular traps (NETs) reduces multiple organ injury in a COVID-19 mouse model. Respir Res 2023; 24:66. [PMID: 36864506 PMCID: PMC9978286 DOI: 10.1186/s12931-023-02336-2] [Citation(s) in RCA: 13] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2022] [Accepted: 01/18/2023] [Indexed: 03/04/2023] Open
Abstract
BACKGROUND COVID-19 is characterized by severe acute lung injury, which is associated with neutrophil infiltration and the release of neutrophil extracellular traps (NETs). COVID-19 treatment options are scarce. Previous work has shown an increase in NETs release in the lung and plasma of COVID-19 patients suggesting that drugs that prevent NETs formation or release could be potential therapeutic approaches for COVID-19 treatment. METHODS Here, we report the efficacy of NET-degrading DNase I treatment in a murine model of COVID-19. SARS-CoV-2-infected K18-hACE2 mice were performed for clinical sickness scores and lung pathology. Moreover, the levels of NETs were assessed and lung injuries were by histopathology and TUNEL assay. Finally, the injury in the heart and kidney was assessed by histopathology and biochemical-specific markers. RESULTS DNase I decreased detectable levels of NETs, improved clinical disease, and reduced lung, heart, and kidney injuries in SARS-CoV-2-infected K18-hACE2 mice. Furthermore, our findings indicate a potentially deleterious role for NETs lung tissue in vivo and lung epithelial (A549) cells in vitro, which might explain part of the pathophysiology of severe COVID-19. This deleterious effect was diminished by the treatment with DNase I. CONCLUSIONS Together, our results support the role of NETs in COVID-19 immunopathology and highlight NETs disruption pharmacological approaches as a potential strategy to ameliorate COVID-19 clinical outcomes.
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17
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Xu J, Liu M, Niu X, Hanson J, Jung K, Ru P, Tu H, Jones DM, Vlasova AN, Saif LJ, Wang Q. The Cold-Adapted, Temperature-Sensitive SARS-CoV-2 Strain TS11 Is Attenuated in Syrian Hamsters and a Candidate Attenuated Vaccine. Viruses 2022; 15:95. [PMID: 36680135 PMCID: PMC9867033 DOI: 10.3390/v15010095] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/03/2022] [Accepted: 12/26/2022] [Indexed: 12/31/2022] Open
Abstract
Live attenuated vaccines (LAVs) replicate in the respiratory/oral mucosa, mimic natural infection, and can induce mucosal and systemic immune responses to the full repertoire of SARS-CoV-2 structural/nonstructural proteins. Generally, LAVs produce broader and more durable protection than current COVID-19 vaccines. We generated a temperature-sensitive (TS) SARS-CoV-2 mutant TS11 via cold-adaptation of the WA1 strain in Vero E6 cells. TS11 replicated at >4 Log10-higher titers at 32 °C than at 39 °C. TS11 has multiple mutations, including those in nsp3, a 12-amino acid-deletion spanning the furin cleavage site of the S protein and a 371-nucleotide-deletion spanning the ORF7b-ORF8 genes. We tested the pathogenicity and protective efficacy of TS11 against challenge with a heterologous virulent SARS-CoV-2 D614G strain 14B in Syrian hamsters. Hamsters were randomly assigned to mock immunization-challenge (Mock-C) and TS11 immunization-challenge (TS11-C) groups. Like the mock group, TS11-vaccinated hamsters did not show any clinical signs and continuously gained body weight. TS11 replicated well in the nasal cavity but poorly in the lungs and caused only mild lesions in the lungs. After challenge, hamsters in the Mock-C group lost weight. In contrast, the animals in the TS11-C group continued gaining weight. The virus titers in the nasal turbinates and lungs of the TS11-C group were significantly lower than those in the Mock-C group, confirming the protective effects of TS11 immunization of hamsters. Histopathological examination demonstrated that animals in the Mock-C group had severe pulmonary lesions and large amounts of viral antigens in the lungs post-challenge; however, the TS11-C group had minimal pathological changes and few viral antigen-positive cells. In summary, the TS11 mutant was attenuated and induced protection against disease after a heterologous SARS-CoV-2 challenge in Syrian hamsters.
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Affiliation(s)
- Jiayu Xu
- Center for Food Animal Health, Department of Animal Sciences, College of Food, Agricultural and Environmental Sciences, The Ohio State University, Wooster, OH 44691, USA
- Department of Veterinary Preventive Medicine, College of Veterinary Medicine, The Ohio State University, Columbus, OH 43210, USA
| | - Mingde Liu
- Center for Food Animal Health, Department of Animal Sciences, College of Food, Agricultural and Environmental Sciences, The Ohio State University, Wooster, OH 44691, USA
- Department of Veterinary Preventive Medicine, College of Veterinary Medicine, The Ohio State University, Columbus, OH 43210, USA
| | - Xiaoyu Niu
- Center for Food Animal Health, Department of Animal Sciences, College of Food, Agricultural and Environmental Sciences, The Ohio State University, Wooster, OH 44691, USA
- Department of Veterinary Preventive Medicine, College of Veterinary Medicine, The Ohio State University, Columbus, OH 43210, USA
| | - Juliette Hanson
- Center for Food Animal Health, Department of Animal Sciences, College of Food, Agricultural and Environmental Sciences, The Ohio State University, Wooster, OH 44691, USA
| | - Kwonil Jung
- Center for Food Animal Health, Department of Animal Sciences, College of Food, Agricultural and Environmental Sciences, The Ohio State University, Wooster, OH 44691, USA
| | - Peng Ru
- The Ohio State University Comprehensive Cancer Center, The Ohio State University James Cancer Center, Columbus, OH 43210, USA
| | - Huolin Tu
- James Molecular Laboratory at Polaris, The Ohio State University James Cancer Center, Columbus, OH 43240, USA
| | - Daniel M. Jones
- The Ohio State University Comprehensive Cancer Center, The Ohio State University James Cancer Center, Columbus, OH 43210, USA
- James Molecular Laboratory at Polaris, The Ohio State University James Cancer Center, Columbus, OH 43240, USA
- Department of Pathology, The Ohio State University Wexner Medical Center, Columbus, OH 43210, USA
| | - Anastasia N. Vlasova
- Center for Food Animal Health, Department of Animal Sciences, College of Food, Agricultural and Environmental Sciences, The Ohio State University, Wooster, OH 44691, USA
- Department of Veterinary Preventive Medicine, College of Veterinary Medicine, The Ohio State University, Columbus, OH 43210, USA
| | - Linda J. Saif
- Center for Food Animal Health, Department of Animal Sciences, College of Food, Agricultural and Environmental Sciences, The Ohio State University, Wooster, OH 44691, USA
- Department of Veterinary Preventive Medicine, College of Veterinary Medicine, The Ohio State University, Columbus, OH 43210, USA
| | - Qiuhong Wang
- Center for Food Animal Health, Department of Animal Sciences, College of Food, Agricultural and Environmental Sciences, The Ohio State University, Wooster, OH 44691, USA
- Department of Veterinary Preventive Medicine, College of Veterinary Medicine, The Ohio State University, Columbus, OH 43210, USA
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18
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Melero I, Villalba-Esparza M, Recalde-Zamacona B, Jiménez-Sánchez D, Teijeira Á, Argueta A, García-Tobar L, Álvarez-Gigli L, Sainz C, Garcia-Ros D, Toledo E, Abengozar-Muela M, Fernández-Alonso M, Rodríguez-Mateos M, Reina G, Carmona-Torre F, Quiroga JA, Del Pozo JL, Cross A, López-Janeiro Á, Hardisson D, Echeveste JI, Lozano MD, Ho LP, Klenerman P, Issa F, Landecho MF, de Andrea CE. Neutrophil Extracellular Traps, Local IL-8 Expression, and Cytotoxic T-Lymphocyte Response in the Lungs of Patients With Fatal COVID-19. Chest 2022; 162:1006-1016. [PMID: 35714708 PMCID: PMC9197577 DOI: 10.1016/j.chest.2022.06.007] [Citation(s) in RCA: 17] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/04/2021] [Revised: 06/04/2022] [Accepted: 06/07/2022] [Indexed: 11/20/2022] Open
Abstract
BACKGROUND Excessive inflammation is pathogenic in the pneumonitis associated with severe COVID-19. Neutrophils are among the most abundantly present leukocytes in the inflammatory infiltrates and may form neutrophil extracellular traps (NETs) under the local influence of cytokines. NETs constitute a defense mechanism against bacteria, but have also been shown to mediate tissue damage in a number of diseases. RESEARCH QUESTION Could NETs and their tissue-damaging properties inherent to neutrophil-associated functions play a role in the respiratory failure seen in patients with severe COVID-19, and how does this relate to the SARS-CoV-2 viral loads, IL-8 (CXCL8) chemokine expression, and cytotoxic T-lymphocyte infiltrates? STUDY DESIGN AND METHODS Sixteen lung biopsy samples obtained immediately after death were analyzed methodically as exploratory and validation cohorts. NETs were analyzed quantitatively by multiplexed immunofluorescence and were correlated with local levels of IL-8 messenger RNA (mRNA) and the density of CD8+ T-cell infiltration. SARS-CoV-2 presence in tissue was quantified by reverse-transcriptase polymerase chain reaction and immunohistochemistry analysis. RESULTS NETs were found in the lung interstitium and surrounding the bronchiolar epithelium with interindividual and spatial heterogeneity. NET density did not correlate with SARS-CoV-2 tissue viral load. NETs were associated with local IL-8 mRNA levels. NETs were also detected in pulmonary thrombi and in only one of eight liver tissues. NET focal presence correlated negatively with CD8+ T-cell infiltration in the lungs. INTERPRETATION Abundant neutrophils undergoing NETosis are found in the lungs of patients with fatal COVID-19, but no correlation was found with viral loads. The strong association between NETs and IL-8 points to this chemokine as a potentially causative factor. The function of cytotoxic T-lymphocytes in the immune responses against SARS-CoV-2 may be interfered with by the presence of NETs.
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Affiliation(s)
- Ignacio Melero
- Division of Immunology and Immunotherapy, Centre for Applied Medical Research (CIMA), University of Navarra, Pamplona, Spain; Navarra Institute for Health Research, Pamplona, Spain; Centro de Investigación Biomédica en Red de Cáncer, Madrid, Spain
| | - María Villalba-Esparza
- Navarra Institute for Health Research, Pamplona, Spain; Centro de Investigación Biomédica en Red de Cáncer, Madrid, Spain; Department of Pathology, Clínica Universidad de Navarra, Pamplona, Spain
| | | | | | - Álvaro Teijeira
- Division of Immunology and Immunotherapy, Centre for Applied Medical Research (CIMA), University of Navarra, Pamplona, Spain; Navarra Institute for Health Research, Pamplona, Spain; Centro de Investigación Biomédica en Red de Cáncer, Madrid, Spain
| | - Alan Argueta
- Department of Pathology, Clínica Universidad de Navarra, Pamplona, Spain
| | - Laura García-Tobar
- Department of Pathology, Clínica Universidad de Navarra, Pamplona, Spain
| | | | - Cristina Sainz
- Department of Pathology, Clínica Universidad de Navarra, Pamplona, Spain
| | - David Garcia-Ros
- Department of Anatomy, Physiology and Pathology, University of Navarra, Pamplona, Spain
| | - Estefanía Toledo
- Department of Preventive Medicine and Public Health, IdiSNA, University of Navarra, Pamplona, Spain; Centro de Investigación Biomédica en Red Fisiopatología de la Obesidad y la Nutrición, Institute of Health Carlos III, Madrid, Spain
| | | | - Mirian Fernández-Alonso
- Navarra Institute for Health Research, Pamplona, Spain; Department of Microbiology and Infectious Diseases, Clínica Universidad de Navarra, Pamplona, Spain
| | - Mariano Rodríguez-Mateos
- Department of Microbiology and Infectious Diseases, Clínica Universidad de Navarra, Pamplona, Spain
| | - Gabriel Reina
- Navarra Institute for Health Research, Pamplona, Spain; Department of Microbiology and Infectious Diseases, Clínica Universidad de Navarra, Pamplona, Spain
| | - Francisco Carmona-Torre
- Navarra Institute for Health Research, Pamplona, Spain; Department of Microbiology and Infectious Diseases, Clínica Universidad de Navarra, Pamplona, Spain
| | | | - Jose L Del Pozo
- Navarra Institute for Health Research, Pamplona, Spain; Department of Microbiology and Infectious Diseases, Clínica Universidad de Navarra, Pamplona, Spain
| | - Amy Cross
- Nuffield Department of Surgical Sciences, John Radcliffe Hospital, University of Oxford, Oxford, England
| | | | - David Hardisson
- Department of Pathology, Hospital Universitario La Paz, IdiPAZ, Madrid, Spain
| | - José I Echeveste
- Centro de Investigación Biomédica en Red de Cáncer, Madrid, Spain; Department of Pathology, Clínica Universidad de Navarra, Pamplona, Spain; Department of Anatomy, Physiology and Pathology, University of Navarra, Pamplona, Spain
| | - Maria D Lozano
- Navarra Institute for Health Research, Pamplona, Spain; Centro de Investigación Biomédica en Red de Cáncer, Madrid, Spain; Department of Pathology, Clínica Universidad de Navarra, Pamplona, Spain; Department of Anatomy, Physiology and Pathology, University of Navarra, Pamplona, Spain
| | - Ling-Pei Ho
- MRC Human Immunology Unit, University of Oxford, Oxford, England
| | - Paul Klenerman
- Nuffield Department of Clinical Medicine, Peter Medawar Building for Pathogen Research, Oxford, England
| | - Fadi Issa
- Nuffield Department of Surgical Sciences, John Radcliffe Hospital, University of Oxford, Oxford, England
| | - Manuel F Landecho
- Department of Internal Medicine, Clínica Universidad de Navarra, Pamplona, Spain
| | - Carlos E de Andrea
- Navarra Institute for Health Research, Pamplona, Spain; Centro de Investigación Biomédica en Red de Cáncer, Madrid, Spain; Department of Pathology, Clínica Universidad de Navarra, Pamplona, Spain; Department of Anatomy, Physiology and Pathology, University of Navarra, Pamplona, Spain.
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19
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Qi F, Qin C. Characteristics of animal models for COVID-19. Animal Model Exp Med 2022; 5:401-409. [PMID: 36301011 PMCID: PMC9610135 DOI: 10.1002/ame2.12278] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/18/2022] [Accepted: 09/23/2022] [Indexed: 11/18/2022] Open
Abstract
Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) is the causative agent of coronavirus disease 2019 (COVID-19), the most consequential pandemic of this century, threatening human health and public safety. SARS-CoV-2 has been continuously evolving through mutation of its genome and variants of concern have emerged. The World Health Organization R&D Blueprint plan convened a range of expert groups to develop animal models for COVID-19, a core requirement for the prevention and control of SARS-CoV-2 pandemic. The animal model construction techniques developed during the SARS-CoV and MERS-CoV pandemics were rapidly deployed and applied in the establishment of COVID-19 animal models. To date, a large number of animal models for COVID-19, including mice, hamsters, minks and nonhuman primates, have been established. Infectious diseases produce unique manifestations according to the characteristics of the pathogen and modes of infection. Here we classified animal model resources around the infection route of SARS-CoV-2, and summarized the characteristics of the animal models constructed via transnasal, localized, and simulated transmission routes of infection.
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Affiliation(s)
- Feifei Qi
- Beijing Key Laboratory for Animal Models of Emerging and Reemerging Infectious Diseases, NHC Key Laboratory of Human Disease Comparative Medicine, Institute of Laboratory Animal Science, Chinese Academy of Medical Sciences and Comparative Medicine CenterPeking Union Medical CollegeBeijingChina,National Center of Technology Innovation for Animal ModelBeijingChina
| | - Chuan Qin
- Beijing Key Laboratory for Animal Models of Emerging and Reemerging Infectious Diseases, NHC Key Laboratory of Human Disease Comparative Medicine, Institute of Laboratory Animal Science, Chinese Academy of Medical Sciences and Comparative Medicine CenterPeking Union Medical CollegeBeijingChina,National Center of Technology Innovation for Animal ModelBeijingChina
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20
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Thu Aung Z, Oluyombo R, Karim M, Wong Sun Wai J, Ugni S. SARS-CoV-2 Infection: A Forerunner or Precursor in Anti-neutrophil Cytoplasmic Antibody-Associated Vasculitis With Kidney Injury. Cureus 2022; 14:e28705. [PMID: 36204017 PMCID: PMC9527097 DOI: 10.7759/cureus.28705] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 08/29/2022] [Indexed: 11/27/2022] Open
Abstract
COVID-19 disease and anti-neutrophil cytoplasmic antibody (ANCA)-associated vasculitis are both multi-systemic conditions. It is postulated there is a causal relationship between both conditions and this is supported by some case reports. The symptoms of COVID-19 can mimic those of vasculitis especially when the respiratory system is affected. Early diagnosis and treatment of ANCA-vasculitis cannot be overemphasized as this reduces the risk of severe organ damage. We report a 64-year-old lady with SARS-CoV-2 infection who developed ANCA-vasculitis with acute kidney injury and we reviewed the literature on this plausible association. We performed an electronic search of the MEDLINE, EMBASE, CINAHL, and EMCARE databases for research studies and case series and reports published in the English language between April 2020 and February 2022. Our review suggests that patients with COVID-19 infection who had proteinase 3-ANCA positive vasculitis with diffuse alveolar haemorrhage had fatal outcomes. We also noticed an increased incidence of active urine sediments. We emphasize the importance of a high index of suspicion for diagnosis and early treatment of vasculitis to ensure an improved outcome.
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21
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Mortazavi-Jahromi SS, Aslani M. Dysregulated miRNAs network in the critical COVID-19: An important clue for uncontrolled immunothrombosis/thromboinflammation. Int Immunopharmacol 2022; 110:109040. [PMID: 35839566 PMCID: PMC9271492 DOI: 10.1016/j.intimp.2022.109040] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/13/2022] [Revised: 07/02/2022] [Accepted: 07/06/2022] [Indexed: 11/17/2022]
Abstract
Known as a pivotal immunohemostatic response, immunothrombosis is activated to restrict the diffusion of pathogens. This beneficial intravascular defensive mechanism represents the close interaction between the immune and coagulation systems. However, its uncontrolled form can be life-threatening to patients with the critical coronavirus disease 2019 (COVID-19). Hyperinflammation and ensuing cytokine storm underlie the activation of the coagulation system, something which results in the provocation of more immune-inflammatory responses by the thrombotic mediators. This vicious cycle causes grave clinical complications and higher risks of mortality. Classified as an evolutionarily conserved family of the small non-coding RNAs, microRNAs (miRNAs) serve as the fine-tuners of genes expression and play a key role in balancing the pro/anticoagulant and pro-/anti-inflammatory factors maintaining homeostasis. Therefore, any deviation from their optimal expression levels or efficient functions can lead to severe complications. Despite their extensive effects on the molecules and processes involved in uncontrolled immunothrombosis, some genetic agents and uncontrolled immunothrombosis-induced interfering factors (e.g., miRNA-single nucleotide polymorphysms (miR-SNPs), the complement system components, nicotinamide adenine dinucleotide phosphate (NADPH) oxidases, and reactive oxygen species (ROS)) have apparently disrupted their expressions/functions. This review study aims to give an overview of the role of miRNAs in the context of uncontrolled immunothrombosis/thromboinflammation accompanied by some presumptive interfering factors affecting their expressions/functions in the critical COVID-19. Detecting, monitoring, and resolving these interfering agents mafy facilitate the design and development of the novel miRNAs-based therapeutic approaches to the reduction of complications incidence and mortality in patients with the critical COVID-19.
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Affiliation(s)
- Seyed Shahabeddin Mortazavi-Jahromi
- Department of Immunology, School of Public Health, Tehran University of Medical Sciences, Tehran, Iran; Department of Cellular and Molecular Biology, Kish International Campus, University of Tehran, Kish, Iran.
| | - Mona Aslani
- Department of Immunology, School of Public Health, Tehran University of Medical Sciences, Tehran, Iran.
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22
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Du W, Hurdiss DL, Drabek D, Mykytyn AZ, Kaiser FK, González-Hernández M, Muñoz-Santos D, Lamers MM, van Haperen R, Li W, Drulyte I, Wang C, Sola I, Armando F, Beythien G, Ciurkiewicz M, Baumgärtner W, Guilfoyle K, Smits T, van der Lee J, van Kuppeveld FJM, van Amerongen G, Haagmans BL, Enjuanes L, Osterhaus ADME, Grosveld F, Bosch BJ. An ACE2-blocking antibody confers broad neutralization and protection against Omicron and other SARS-CoV-2 variants of concern. Sci Immunol 2022; 7:eabp9312. [PMID: 35471062 DOI: 10.1101/2022.02.17.480751] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/28/2023]
Abstract
The ongoing evolution of SARS-CoV-2 has resulted in the emergence of Omicron, which displays notable immune escape potential through mutations at key antigenic sites on the spike protein. Many of these mutations localize to the spike protein ACE2 receptor binding domain, annulling the neutralizing activity of therapeutic antibodies that were effective against other variants of concern (VOCs) earlier in the pandemic. Here, we identified a receptor-blocking human monoclonal antibody, 87G7, that retained potent in vitro neutralizing activity against SARS-CoV-2 variants including the Alpha, Beta, Gamma, Delta, and Omicron (BA.1/BA.2) VOCs. Using cryo-electron microscopy and site-directed mutagenesis experiments, we showed that 87G7 targets a patch of hydrophobic residues in the ACE2-binding site that are highly conserved in SARS-CoV-2 variants, explaining its broad neutralization capacity. 87G7 protected mice and hamsters prophylactically against challenge with all current SARS-CoV-2 VOCs and showed therapeutic activity against SARS-CoV-2 challenge in both animal models. Our findings demonstrate that 87G7 holds promise as a prophylactic or therapeutic agent for COVID-19 that is more resilient to SARS-CoV-2 antigenic diversity.
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Affiliation(s)
- Wenjuan Du
- Virology Section, Infectious Diseases and Immunology Division, Department of Biomolecular Health Sciences, Faculty of Veterinary Medicine, Utrecht University, Utrecht, Netherlands
| | - Daniel L Hurdiss
- Virology Section, Infectious Diseases and Immunology Division, Department of Biomolecular Health Sciences, Faculty of Veterinary Medicine, Utrecht University, Utrecht, Netherlands
| | - Dubravka Drabek
- Department of Cell Biology, Erasmus Medical Center, Rotterdam, Netherlands
- Harbour BioMed, Rotterdam, Netherlands
| | - Anna Z Mykytyn
- Department of Viroscience, Erasmus Medical Center, Rotterdam, Netherlands
| | - Franziska K Kaiser
- Research Center for Emerging Infections and Zoonoses, University of Veterinary Medicine Hannover, Foundation, Hannover, Germany
| | - Mariana González-Hernández
- Research Center for Emerging Infections and Zoonoses, University of Veterinary Medicine Hannover, Foundation, Hannover, Germany
| | - Diego Muñoz-Santos
- Department of Molecular and Cell Biology, National Center for Biotechnology-Spanish National Research Council (CNB-CSIC), Madrid, Spain
| | - Mart M Lamers
- Department of Viroscience, Erasmus Medical Center, Rotterdam, Netherlands
| | - Rien van Haperen
- Department of Cell Biology, Erasmus Medical Center, Rotterdam, Netherlands
- Harbour BioMed, Rotterdam, Netherlands
| | - Wentao Li
- Virology Section, Infectious Diseases and Immunology Division, Department of Biomolecular Health Sciences, Faculty of Veterinary Medicine, Utrecht University, Utrecht, Netherlands
| | - Ieva Drulyte
- Thermo Fisher Scientific, Materials and Structural Analysis, Eindhoven, Netherlands
| | - Chunyan Wang
- Virology Section, Infectious Diseases and Immunology Division, Department of Biomolecular Health Sciences, Faculty of Veterinary Medicine, Utrecht University, Utrecht, Netherlands
| | - Isabel Sola
- Department of Molecular and Cell Biology, National Center for Biotechnology-Spanish National Research Council (CNB-CSIC), Madrid, Spain
| | - Federico Armando
- Department of Pathology, University of Veterinary Medicine Hannover, Foundation, Hannover, Germany
| | - Georg Beythien
- Department of Pathology, University of Veterinary Medicine Hannover, Foundation, Hannover, Germany
| | - Malgorzata Ciurkiewicz
- Department of Pathology, University of Veterinary Medicine Hannover, Foundation, Hannover, Germany
| | - Wolfgang Baumgärtner
- Department of Pathology, University of Veterinary Medicine Hannover, Foundation, Hannover, Germany
| | | | - Tony Smits
- Virology Section, Infectious Diseases and Immunology Division, Department of Biomolecular Health Sciences, Faculty of Veterinary Medicine, Utrecht University, Utrecht, Netherlands
| | - Joline van der Lee
- Virology Section, Infectious Diseases and Immunology Division, Department of Biomolecular Health Sciences, Faculty of Veterinary Medicine, Utrecht University, Utrecht, Netherlands
| | - Frank J M van Kuppeveld
- Virology Section, Infectious Diseases and Immunology Division, Department of Biomolecular Health Sciences, Faculty of Veterinary Medicine, Utrecht University, Utrecht, Netherlands
| | | | - Bart L Haagmans
- Department of Viroscience, Erasmus Medical Center, Rotterdam, Netherlands
| | - Luis Enjuanes
- Department of Molecular and Cell Biology, National Center for Biotechnology-Spanish National Research Council (CNB-CSIC), Madrid, Spain
| | - Albert D M E Osterhaus
- Research Center for Emerging Infections and Zoonoses, University of Veterinary Medicine Hannover, Foundation, Hannover, Germany
- Global Virus Network, Center of Excellence, Baltimore, MD, USA
| | - Frank Grosveld
- Department of Cell Biology, Erasmus Medical Center, Rotterdam, Netherlands
- Harbour BioMed, Rotterdam, Netherlands
| | - Berend-Jan Bosch
- Virology Section, Infectious Diseases and Immunology Division, Department of Biomolecular Health Sciences, Faculty of Veterinary Medicine, Utrecht University, Utrecht, Netherlands
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23
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Ciurkiewicz M, Armando F, Schreiner T, de Buhr N, Pilchová V, Krupp-Buzimikic V, Gabriel G, von Köckritz-Blickwede M, Baumgärtner W, Schulz C, Gerhauser I. Ferrets are valuable models for SARS-CoV-2 research. Vet Pathol 2022; 59:661-672. [PMID: 35001763 PMCID: PMC9207987 DOI: 10.1177/03009858211071012] [Citation(s) in RCA: 21] [Impact Index Per Article: 10.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
Coronavirus disease 2019 (COVID-19), caused by severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), resulted in an ongoing pandemic with millions of deaths worldwide. Infection of humans can be asymptomatic or result in fever, fatigue, dry cough, dyspnea, and acute respiratory distress syndrome with multiorgan failure in severe cases. The pathogenesis of COVID-19 is not fully understood, and various models employing different species are currently applied. Ferrets can be infected with SARS-CoV-2 and efficiently transmit the virus to contact animals. In contrast to hamsters, ferrets usually show mild disease and viral replication restricted to the upper airways. Most reports have used the intranasal inoculation route, while the intratracheal infection model is not well characterized. Herein, we present clinical, virological, and pathological data from young ferrets intratracheally inoculated with SARS-CoV-2. Infected animals showed no significant clinical signs, and had transient infection with peak viral RNA loads at 4 days postinfection, mild to moderate rhinitis, and pulmonary endothelialitis/vasculitis. Viral antigen was exclusively found in the respiratory epithelium of the nasal cavity, indicating a particular tropism for cells in this location. Viral antigen was associated with epithelial damage and influx of inflammatory cells, including activated neutrophils releasing neutrophil extracellular traps. Scanning electron microscopy of the nasal respiratory mucosa revealed loss of cilia, shedding, and rupture of epithelial cells. The currently established ferret SARS-CoV-2 infection models are comparatively discussed with SARS-CoV-2 pathogenesis in mink, and the advantages and disadvantages of both species as research models for zoonotic betacoronaviruses are highlighted.
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Affiliation(s)
| | - Federico Armando
- University of Veterinary Medicine Hannover, Foundation, Hannover, Germany
| | - Tom Schreiner
- University of Veterinary Medicine Hannover, Foundation, Hannover, Germany
| | - Nicole de Buhr
- University of Veterinary Medicine Hannover, Foundation, Hannover, Germany
| | - Veronika Pilchová
- University of Veterinary Medicine Hannover, Foundation, Hannover, Germany
| | - Vanessa Krupp-Buzimikic
- University of Veterinary Medicine Hannover, Foundation, Hannover, Germany
- Heinrich Pette Institute, Leibniz Institute for Experimental Virology, Hamburg, Germany
| | - Gülşah Gabriel
- University of Veterinary Medicine Hannover, Foundation, Hannover, Germany
- Heinrich Pette Institute, Leibniz Institute for Experimental Virology, Hamburg, Germany
| | | | | | - Claudia Schulz
- University of Veterinary Medicine Hannover, Foundation, Hannover, Germany
| | - Ingo Gerhauser
- University of Veterinary Medicine Hannover, Foundation, Hannover, Germany
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24
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Abstract
The dramatic global consequences of the coronavirus disease 2019 (COVID-19) pandemic soon fueled quests for a suitable model that would facilitate the development and testing of therapies and vaccines. In contrast to other rodents, hamsters are naturally susceptible to infection with severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), and the Syrian hamster (Mesocricetus auratus) rapidly developed into a popular model. It recapitulates many characteristic features as seen in patients with a moderate, self-limiting course of the disease such as specific patterns of respiratory tract inflammation, vascular endothelialitis, and age dependence. Among 4 other hamster species examined, the Roborovski dwarf hamster (Phodopus roborovskii) more closely mimics the disease in highly susceptible patients with frequent lethal outcome, including devastating diffuse alveolar damage and coagulopathy. Thus, different hamster species are available to mimic different courses of the wide spectrum of COVID-19 manifestations in humans. On the other hand, fewer diagnostic tools and information on immune functions and molecular pathways are available than in mice, which limits mechanistic studies and inference to humans in several aspects. Still, under pandemic conditions with high pressure on progress in both basic and clinically oriented research, the Syrian hamster has turned into the leading non-transgenic model at an unprecedented pace, currently used in innumerable studies that all aim to combat the impact of the virus with its new variants of concern. As in other models, its strength rests upon a solid understanding of its similarities to and differences from the human disease, which we review here.
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25
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Runft S, Färber I, Krüger J, Krüger N, Armando F, Rocha C, Pöhlmann S, Burigk L, Leitzen E, Ciurkiewicz M, Braun A, Schneider D, Baumgärtner L, Freisleben B, Baumgärtner W. Alternatives to animal models and their application in the discovery of species susceptibility to SARS-CoV-2 and other respiratory infectious pathogens: A review. Vet Pathol 2022; 59:565-577. [PMID: 35130766 DOI: 10.1177/03009858211073678] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
The emergence of the coronavirus disease 2019 (COVID-19) caused by the severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) inspired rapid research efforts targeting the host range, pathogenesis and transmission mechanisms, and the development of antiviral strategies. Genetically modified mice, rhesus macaques, ferrets, and Syrian golden hamsters have been frequently used in studies of pathogenesis and efficacy of antiviral compounds and vaccines. However, alternatives to in vivo experiments, such as immortalized cell lines, primary respiratory epithelial cells cultured at an air-liquid interface, stem/progenitor cell-derived organoids, or tissue explants, have also been used for isolation of SARS-CoV-2, investigation of cytopathic effects, and pathogen-host interactions. Moreover, initial proof-of-concept studies for testing therapeutic agents can be performed with these tools, showing that animal-sparing cell culture methods could significantly reduce the need for animal models in the future, following the 3R principles of replace, reduce, and refine. So far, only few studies using animal-derived primary cells or tissues have been conducted in SARS-CoV-2 research, although natural infection has been shown to occur in several animal species. Therefore, the need for in-depth investigations on possible interspecies transmission routes and differences in susceptibility to SARS-CoV-2 is urgent. This review gives an overview of studies employing alternative culture systems like primary cell cultures, tissue explants, or organoids for investigations of the pathophysiology and reverse zoonotic potential of SARS-CoV-2 in animals. In addition, future possibilities of SARS-CoV-2 research in animals, including previously neglected methods like the use of precision-cut lung slices, will be outlined.
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Affiliation(s)
- Sandra Runft
- University of Veterinary Medicine Hannover, Foundation, Hannover, Germany
| | - Iris Färber
- University of Veterinary Medicine Hannover, Foundation, Hannover, Germany
| | - Johannes Krüger
- University of Veterinary Medicine Hannover, Foundation, Hannover, Germany
| | - Nadine Krüger
- German Primate Center-Leibniz Institute for Primate Research, Göttingen, Germany
| | - Federico Armando
- University of Veterinary Medicine Hannover, Foundation, Hannover, Germany
| | - Cheila Rocha
- German Primate Center-Leibniz Institute for Primate Research, Göttingen, Germany
| | - Stefan Pöhlmann
- German Primate Center-Leibniz Institute for Primate Research, Göttingen, Germany
| | - Laura Burigk
- University of Veterinary Medicine Hannover, Foundation, Hannover, Germany
| | - Eva Leitzen
- University of Veterinary Medicine Hannover, Foundation, Hannover, Germany
| | | | - Armin Braun
- Fraunhofer Institute for Toxicology and Experimental Medicine, Hannover, Germany
- Hannover Medical School, Hannover, Germany
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26
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Keskinidou C, Vassiliou AG, Dimopoulou I, Kotanidou A, Orfanos SE. Mechanistic Understanding of Lung Inflammation: Recent Advances and Emerging Techniques. J Inflamm Res 2022; 15:3501-3546. [PMID: 35734098 PMCID: PMC9207257 DOI: 10.2147/jir.s282695] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2021] [Accepted: 05/04/2022] [Indexed: 12/12/2022] Open
Abstract
Acute respiratory distress syndrome (ARDS) is a life-threatening lung injury characterized by an acute inflammatory response in the lung parenchyma. Hence, it is considered as the most appropriate clinical syndrome to study pathogenic mechanisms of lung inflammation. ARDS is associated with increased morbidity and mortality in the intensive care unit (ICU), while no effective pharmacological treatment exists. It is very important therefore to fully characterize the underlying pathobiology and the related mechanisms, in order to develop novel therapeutic approaches. In vivo and in vitro models are important pre-clinical tools in biological and medical research in the mechanistic and pathological understanding of the majority of diseases. In this review, we will present data from selected experimental models of lung injury/acute lung inflammation, which have been based on clinical disorders that can lead to the development of ARDS and related inflammatory lung processes in humans, including ventilation-induced lung injury (VILI), sepsis, ischemia/reperfusion, smoke, acid aspiration, radiation, transfusion-related acute lung injury (TRALI), influenza, Streptococcus (S.) pneumoniae and coronaviruses infection. Data from the corresponding clinical conditions will also be presented. The mechanisms related to lung inflammation that will be covered are oxidative stress, neutrophil extracellular traps, mitogen-activated protein kinase (MAPK) pathways, surfactant, and water and ion channels. Finally, we will present a brief overview of emerging techniques in the field of omics research that have been applied to ARDS research, encompassing genomics, transcriptomics, proteomics, and metabolomics, which may recognize factors to help stratify ICU patients at risk, predict their prognosis, and possibly, serve as more specific therapeutic targets.
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Affiliation(s)
- Chrysi Keskinidou
- First Department of Critical Care Medicine and Pulmonary Services, School of Medicine, National and Kapodistrian University of Athens, "Evangelismos" Hospital, Athens, Greece
| | - Alice G Vassiliou
- First Department of Critical Care Medicine and Pulmonary Services, School of Medicine, National and Kapodistrian University of Athens, "Evangelismos" Hospital, Athens, Greece
| | - Ioanna Dimopoulou
- First Department of Critical Care Medicine and Pulmonary Services, School of Medicine, National and Kapodistrian University of Athens, "Evangelismos" Hospital, Athens, Greece
| | - Anastasia Kotanidou
- First Department of Critical Care Medicine and Pulmonary Services, School of Medicine, National and Kapodistrian University of Athens, "Evangelismos" Hospital, Athens, Greece
| | - Stylianos E Orfanos
- First Department of Critical Care Medicine and Pulmonary Services, School of Medicine, National and Kapodistrian University of Athens, "Evangelismos" Hospital, Athens, Greece
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27
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SARS-CoV-2 Omicron variant causes mild pathology in the upper and lower respiratory tract of hamsters. Nat Commun 2022; 13:3519. [PMID: 35725735 PMCID: PMC9207884 DOI: 10.1038/s41467-022-31200-y] [Citation(s) in RCA: 59] [Impact Index Per Article: 29.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2022] [Accepted: 06/07/2022] [Indexed: 11/26/2022] Open
Abstract
Since its discovery in 2019, multiple variants of severe acute respiratory syndrome coronavirus-2 (SARS-CoV-2) have been identified. This study investigates virus spread and associated pathology in the upper and lower respiratory tracts of Syrian golden hamsters at 4 days post intranasal SARS-CoV-2 Omicron infection, in comparison to infection with variants of concern (VOCs) Gamma and Delta as well as ancestral strain 614 G. Pathological changes in the upper and lower respiratory tract of VOC Omicron infected hamsters are milder than those caused by other investigated strains. VOC Omicron infection causes a mild rhinitis with little involvement of the olfactory epithelium and minimal lesions in the lung, with frequent sparing of the alveolar compartment. Similarly, viral antigen, RNA and infectious virus titers are lower in respiratory tissues of VOC Omicron infected hamsters. These findings demonstrate that the variant has a decreased pathogenicity for the upper and lower respiratory tract of hamsters. Since the emergence of SARS-CoV-2 several variants of concerns have been identified, with altered disease progression and transmission dynamics. Here, Armando et al. compare virus spread and pathology in the upper and lower respiratory tracts of Syrian golden hamster after 4 days post infection for VOCs Gamma, Delta and Omicron and find milder pathology for Omicron.
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28
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de Buhr N, Baumann T, Werlein C, Fingerhut L, Imker R, Meurer M, Götz F, Bronzlik P, Kühnel MP, Jonigk DD, Ernst J, Leotescu A, Gabriel MM, Worthmann H, Lichtinghagen R, Tiede A, von Köckritz-Blickwede M, Falk CS, Weissenborn K, Schuppner R, Grosse GM. Insights Into Immunothrombotic Mechanisms in Acute Stroke due to Vaccine-Induced Immune Thrombotic Thrombocytopenia. Front Immunol 2022; 13:879157. [PMID: 35619694 PMCID: PMC9128407 DOI: 10.3389/fimmu.2022.879157] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/18/2022] [Accepted: 04/11/2022] [Indexed: 12/29/2022] Open
Abstract
During the COVID-19 pandemic, vaccination is the most important countermeasure. Pharmacovigilance concerns however emerged with very rare, but potentially disastrous thrombotic complications following vaccination with ChAdOx1. Platelet factor-4 antibody mediated vaccine-induced immune thrombotic thrombocytopenia (VITT) was described as an underlying mechanism of these thrombotic events. Recent work moreover suggests that mechanisms of immunothrombosis including neutrophil extracellular trap (NET) formation might be critical for thrombogenesis during VITT. In this study, we investigated blood and thrombus specimens of a female patient who suffered severe stroke due to VITT after vaccination with ChAdOx1 in comparison to 13 control stroke patients with similar clinical characteristics. We analyzed cerebral thrombi using histological examination, staining of complement factors, NET-markers, DNase and LL-37. In blood samples at the hyper-acute phase of stroke and 7 days later, we determined cell-free DNA, myeloperoxidase-histone complexes, DNase activity, myeloperoxidase activity, LL-37 and inflammatory cytokines. NET markers were identified in thrombi of all patients. Interestingly, the thrombus of the VITT-patient exclusively revealed complement factors and high amounts of DNase and LL-37. High DNase activity was also measured in blood, implying a disturbed NET-regulation. Furthermore, serum of the VITT-patient inhibited reactive oxygen species-dependent NET-release by phorbol-myristate-acetate to a lesser degree compared to controls, indicating either less efficient NET-inhibition or enhanced NET-induction in the blood of the VITT-patient. Additionally, the changes in specific cytokines over time were emphasized in the VITT-patient as well. In conclusion, insufficient resolution of NETs, e.g. by endogenous DNases or protection of NETs against degradation by embedded factors like the antimicrobial peptide LL-37 might thus be an important factor in the pathology of VITT besides increased NET-formation. On the basis of these findings, we discuss the potential implications of the mechanisms of disturbed NETs-degradation for diagnostic and therapeutic approaches in VITT-related thrombogenesis, other auto-immune disorders and beyond.
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Affiliation(s)
- Nicole de Buhr
- Department of Biochemistry, University of Veterinary Medicine Hannover, Hannover, Germany.,Research Center for Emerging Infections and Zoonoses (RIZ), University of Veterinary Medicine Hannover, Hannover, Germany
| | - Tristan Baumann
- Department of Neurology, Hannover Medical School, Hannover, Germany
| | | | - Leonie Fingerhut
- Department of Biochemistry, University of Veterinary Medicine Hannover, Hannover, Germany.,Research Center for Emerging Infections and Zoonoses (RIZ), University of Veterinary Medicine Hannover, Hannover, Germany.,Clinic for Horses, University of Veterinary Medicine Hannover, Hannover, Germany
| | - Rabea Imker
- Department of Biochemistry, University of Veterinary Medicine Hannover, Hannover, Germany.,Research Center for Emerging Infections and Zoonoses (RIZ), University of Veterinary Medicine Hannover, Hannover, Germany
| | - Marita Meurer
- Department of Biochemistry, University of Veterinary Medicine Hannover, Hannover, Germany.,Research Center for Emerging Infections and Zoonoses (RIZ), University of Veterinary Medicine Hannover, Hannover, Germany
| | - Friedrich Götz
- Institute of Diagnostic and Interventional Neuroradiology, Hannover Medical School, Hannover, Germany
| | - Paul Bronzlik
- Institute of Diagnostic and Interventional Neuroradiology, Hannover Medical School, Hannover, Germany
| | - Mark P Kühnel
- Institute of Pathology, Hannover Medical School, Hannover, Germany.,Member of the German Center for Lung Research (DZL), Biomedical Research in Endstage and Obstructive Lung Disease Hannover (BREATH), Hannover, Germany
| | - Danny D Jonigk
- Institute of Pathology, Hannover Medical School, Hannover, Germany.,Member of the German Center for Lung Research (DZL), Biomedical Research in Endstage and Obstructive Lung Disease Hannover (BREATH), Hannover, Germany
| | - Johanna Ernst
- Department of Neurology, Hannover Medical School, Hannover, Germany
| | - Andrei Leotescu
- Department of Neurology, Hannover Medical School, Hannover, Germany
| | - Maria M Gabriel
- Department of Neurology, Hannover Medical School, Hannover, Germany
| | - Hans Worthmann
- Department of Neurology, Hannover Medical School, Hannover, Germany
| | - Ralf Lichtinghagen
- Institute of Clinical Chemistry, Hannover Medical School, Hannover, Germany
| | - Andreas Tiede
- Department of Hematology, Hemostasis, Oncology and Stem Cell Transplantation, Hannover Medical School, Hannover, Germany
| | - Maren von Köckritz-Blickwede
- Department of Biochemistry, University of Veterinary Medicine Hannover, Hannover, Germany.,Research Center for Emerging Infections and Zoonoses (RIZ), University of Veterinary Medicine Hannover, Hannover, Germany
| | - Christine S Falk
- Institute of Transplant Immunology, Hannover Medical School, Hannover, Germany
| | | | - Ramona Schuppner
- Department of Neurology, Hannover Medical School, Hannover, Germany
| | - Gerrit M Grosse
- Department of Neurology, Hannover Medical School, Hannover, Germany
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29
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SARS-CoV-2 Infection Dysregulates Cilia and Basal Cell Homeostasis in the Respiratory Epithelium of Hamsters. Int J Mol Sci 2022; 23:ijms23095124. [PMID: 35563514 PMCID: PMC9102945 DOI: 10.3390/ijms23095124] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2022] [Revised: 04/27/2022] [Accepted: 05/03/2022] [Indexed: 02/04/2023] Open
Abstract
Similar to many other respiratory viruses, SARS-CoV-2 targets the ciliated cells of the respiratory epithelium and compromises mucociliary clearance, thereby facilitating spread to the lungs and paving the way for secondary infections. A detailed understanding of mechanism involved in ciliary loss and subsequent regeneration is crucial to assess the possible long-term consequences of COVID-19. The aim of this study was to characterize the sequence of histological and ultrastructural changes observed in the ciliated epithelium during and after SARS-CoV-2 infection in the golden Syrian hamster model. We show that acute infection induces a severe, transient loss of cilia, which is, at least in part, caused by cilia internalization. Internalized cilia colocalize with membrane invaginations, facilitating virus entry into the cell. Infection also results in a progressive decline in cells expressing the regulator of ciliogenesis FOXJ1, which persists beyond virus clearance and the termination of inflammatory changes. Ciliary loss triggers the mobilization of p73+ and CK14+ basal cells, which ceases after regeneration of the cilia. Although ciliation is restored after two weeks despite the lack of FOXJ1, an increased frequency of cilia with ultrastructural alterations indicative of secondary ciliary dyskinesia is observed. In summary, the work provides new insights into SARS-CoV-2 pathogenesis and expands our understanding of virally induced damage to defense mechanisms in the conducting airways.
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30
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Käufer C, Schreiber CS, Hartke AS, Denden I, Stanelle-Bertram S, Beck S, Kouassi NM, Beythien G, Becker K, Schreiner T, Schaumburg B, Beineke A, Baumgärtner W, Gabriel G, Richter F. Microgliosis and neuronal proteinopathy in brain persist beyond viral clearance in SARS-CoV-2 hamster model. EBioMedicine 2022; 79:103999. [PMID: 35439679 PMCID: PMC9013202 DOI: 10.1016/j.ebiom.2022.103999] [Citation(s) in RCA: 42] [Impact Index Per Article: 21.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2022] [Revised: 03/25/2022] [Accepted: 03/29/2022] [Indexed: 11/01/2022] Open
Abstract
BACKGROUND Neurological symptoms such as cognitive decline and depression contribute substantially to post-COVID-19 syndrome, defined as lasting symptoms several weeks after initial SARS-CoV-2 infection. The pathogenesis is still elusive, which hampers appropriate treatment. Neuroinflammatory responses and neurodegenerative processes may occur in absence of overt neuroinvasion. METHODS Here we determined whether intranasal SARS-CoV-2 infection in male and female syrian golden hamsters results in persistent brain pathology. Brains 3 (symptomatic) or 14 days (viral clearance) post infection versus mock (n = 10 each) were immunohistochemically analyzed for viral protein, neuroinflammatory response and accumulation of tau, hyperphosphorylated tau and alpha-synuclein protein. FINDINGS Viral protein in the nasal cavity led to pronounced microglia activation in the olfactory bulb beyond viral clearance. Cortical but not hippocampal neurons accumulated hyperphosphorylated tau and alpha-synuclein, in the absence of overt inflammation and neurodegeneration. Importantly, not all brain regions were affected, which is in line with selective vulnerability. INTERPRETATION Thus, despite the absence of virus in brain, neurons develop signatures of proteinopathies that may contribute to progressive neuronal dysfunction. Further in depth analysis of this important mechanism is required. FUNDING Federal Ministry of Health (BMG; ZMV I 1-2520COR501), Federal Ministry of Education and Research (BMBF 01KI1723G), Ministry of Science and Culture of Lower Saxony in Germany (14 - 76103-184 CORONA-15/20), German Research Foundation (DFG; 398066876/GRK 2485/1), Luxemburgish National Research Fund (FNR, Project Reference: 15686728, EU SC1-PHE-CORONAVIRUS-2020 MANCO, no > 101003651).
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Affiliation(s)
- Christopher Käufer
- Department of Pharmacology, Toxicology and Pharmacy, University of Veterinary Medicine Hannover, 30559 Hannover, Germany
| | - Cara S Schreiber
- Department of Pharmacology, Toxicology and Pharmacy, University of Veterinary Medicine Hannover, 30559 Hannover, Germany; Center for Systems Neuroscience, Hannover, Germany
| | - Anna-Sophia Hartke
- Department of Pharmacology, Toxicology and Pharmacy, University of Veterinary Medicine Hannover, 30559 Hannover, Germany; Center for Systems Neuroscience, Hannover, Germany
| | - Ivo Denden
- Department of Pharmacology, Toxicology and Pharmacy, University of Veterinary Medicine Hannover, 30559 Hannover, Germany
| | | | - Sebastian Beck
- Leibniz Institute for Experimental Virology, Hamburg, Germany
| | | | - Georg Beythien
- Department of Pathology, University of Veterinary Medicine Hannover, 30559 Hannover, Germany
| | - Kathrin Becker
- Department of Pathology, University of Veterinary Medicine Hannover, 30559 Hannover, Germany
| | - Tom Schreiner
- Department of Pathology, University of Veterinary Medicine Hannover, 30559 Hannover, Germany
| | | | - Andreas Beineke
- Department of Pathology, University of Veterinary Medicine Hannover, 30559 Hannover, Germany; Center for Systems Neuroscience, Hannover, Germany
| | - Wolfgang Baumgärtner
- Department of Pathology, University of Veterinary Medicine Hannover, 30559 Hannover, Germany; Center for Systems Neuroscience, Hannover, Germany
| | - Gülsah Gabriel
- Leibniz Institute for Experimental Virology, Hamburg, Germany; Institute for Virology, University for Veterinary Medicine Hannover, 30559 Hannover, Germany
| | - Franziska Richter
- Department of Pharmacology, Toxicology and Pharmacy, University of Veterinary Medicine Hannover, 30559 Hannover, Germany; Center for Systems Neuroscience, Hannover, Germany.
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31
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Du W, Hurdiss DL, Drabek D, Mykytyn AZ, Kaiser FK, González-Hernández M, Muñoz-Santos D, Lamers MM, van Haperen R, Li W, Drulyte I, Wang C, Sola I, Armando F, Beythien G, Ciurkiewicz M, Baumgärtner W, Guilfoyle K, Smits T, van der Lee J, van Kuppeveld FJM, van Amerongen G, Haagmans BL, Enjuanes L, Osterhaus ADME, Grosveld F, Bosch BJ. An ACE2-blocking antibody confers broad neutralization and protection against Omicron and other SARS-CoV-2 variants of concern. Sci Immunol 2022; 7:eabp9312. [PMID: 35471062 PMCID: PMC9097884 DOI: 10.1126/sciimmunol.abp9312] [Citation(s) in RCA: 22] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
Abstract
The ongoing evolution of SARS-CoV-2 has resulted in the emergence of Omicron, which displays striking immune escape potential through mutations at key antigenic sites on the spike protein. Many of these mutations localize to the spike protein ACE2 receptor-binding domain, annulling the neutralizing activity of therapeutic antibodies that were effective against other Variants of Concern (VOCs) earlier in the pandemic. Here, we identified a receptor-blocking human monoclonal antibody, 87G7, that retained potent in vitro neutralizing activity against SARS-CoV-2 variants including the Alpha, Beta, Gamma, Delta and Omicron (BA.1/BA.2) VOCs. Using cryo-electron microscopy and site-directed mutagenesis experiments, we showed that 87G7 targets a patch of hydrophobic residues in the ACE2-binding site that are highly conserved in SARS-CoV-2 variants, explaining its broad neutralization capacity. 87G7 protected mice and/or hamsters prophylactically against challenge with all current SARS-CoV-2 VOCs, and showed therapeutic activity against SARS-CoV-2 challenge in both animal models. Our findings demonstrate that 87G7 holds promise as a prophylactic or therapeutic agent for COVID-19 that is more resilient to SARS-CoV-2 antigenic diversity.
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Affiliation(s)
- Wenjuan Du
- Virology Section, Infectious Diseases and Immunology Division, Department of Biomolecular Health Sciences, Faculty of Veterinary Medicine, Utrecht University, Utrecht, the Netherlands
| | - Daniel L Hurdiss
- Virology Section, Infectious Diseases and Immunology Division, Department of Biomolecular Health Sciences, Faculty of Veterinary Medicine, Utrecht University, Utrecht, the Netherlands
| | - Dubravka Drabek
- Department of Cell Biology, Erasmus Medical Center, Rotterdam, the Netherlands.,Harbour BioMed, Rotterdam, the Netherlands
| | - Anna Z Mykytyn
- Department of Viroscience, Erasmus Medical Center, Rotterdam, the Netherlands
| | - Franziska K Kaiser
- Research Center for Emerging Infections and Zoonoses, University of Veterinary Medicine Hannover, Foundation, Hannover, Germany
| | - Mariana González-Hernández
- Research Center for Emerging Infections and Zoonoses, University of Veterinary Medicine Hannover, Foundation, Hannover, Germany
| | - Diego Muñoz-Santos
- Department of Molecular and Cell Biology, National Center for Biotechnology-Spanish National Research Council (CNB-CSIC), Madrid, Spain
| | - Mart M Lamers
- Department of Viroscience, Erasmus Medical Center, Rotterdam, the Netherlands
| | - Rien van Haperen
- Department of Cell Biology, Erasmus Medical Center, Rotterdam, the Netherlands.,Harbour BioMed, Rotterdam, the Netherlands
| | - Wentao Li
- Virology Section, Infectious Diseases and Immunology Division, Department of Biomolecular Health Sciences, Faculty of Veterinary Medicine, Utrecht University, Utrecht, the Netherlands
| | - Ieva Drulyte
- Thermo Fisher Scientific, Materials and Structural Analysis, Eindhoven, the Netherlands
| | - Chunyan Wang
- Virology Section, Infectious Diseases and Immunology Division, Department of Biomolecular Health Sciences, Faculty of Veterinary Medicine, Utrecht University, Utrecht, the Netherlands
| | - Isabel Sola
- Department of Molecular and Cell Biology, National Center for Biotechnology-Spanish National Research Council (CNB-CSIC), Madrid, Spain
| | - Federico Armando
- Department of Pathology, University of Veterinary Medicine Hannover, Foundation, Hannover, Germany
| | - Georg Beythien
- Department of Pathology, University of Veterinary Medicine Hannover, Foundation, Hannover, Germany
| | - Malgorzata Ciurkiewicz
- Department of Pathology, University of Veterinary Medicine Hannover, Foundation, Hannover, Germany
| | - Wolfgang Baumgärtner
- Department of Pathology, University of Veterinary Medicine Hannover, Foundation, Hannover, Germany
| | | | - Tony Smits
- Virology Section, Infectious Diseases and Immunology Division, Department of Biomolecular Health Sciences, Faculty of Veterinary Medicine, Utrecht University, Utrecht, the Netherlands
| | - Joline van der Lee
- Virology Section, Infectious Diseases and Immunology Division, Department of Biomolecular Health Sciences, Faculty of Veterinary Medicine, Utrecht University, Utrecht, the Netherlands
| | - Frank J M van Kuppeveld
- Virology Section, Infectious Diseases and Immunology Division, Department of Biomolecular Health Sciences, Faculty of Veterinary Medicine, Utrecht University, Utrecht, the Netherlands
| | | | - Bart L Haagmans
- Department of Viroscience, Erasmus Medical Center, Rotterdam, the Netherlands
| | - Luis Enjuanes
- Department of Molecular and Cell Biology, National Center for Biotechnology-Spanish National Research Council (CNB-CSIC), Madrid, Spain
| | - Albert D M E Osterhaus
- Research Center for Emerging Infections and Zoonoses, University of Veterinary Medicine Hannover, Foundation, Hannover, Germany.,Global Virus Network, Center of Excellence
| | - Frank Grosveld
- Department of Cell Biology, Erasmus Medical Center, Rotterdam, the Netherlands.,Harbour BioMed, Rotterdam, the Netherlands
| | - Berend-Jan Bosch
- Virology Section, Infectious Diseases and Immunology Division, Department of Biomolecular Health Sciences, Faculty of Veterinary Medicine, Utrecht University, Utrecht, the Netherlands
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32
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Choudhary S, Kanevsky I, Tomlinson L. Animal models for studying covid-19, prevention, and therapy: Pathology and disease phenotypes. Vet Pathol 2022; 59:516-527. [PMID: 35451341 PMCID: PMC9208071 DOI: 10.1177/03009858221092015] [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: 11/25/2022]
Abstract
Translational models have played an important role in the rapid development of safe and effective vaccines and therapeutic agents for the ongoing coronavirus disease 2019 (COVID-19) pandemic caused by severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2). Animal models recapitulating the clinical and underlying pathological manifestations of COVID-19 have been vital for identification and rational design of safe and effective vaccines and therapies. This manuscript provides an overview of commonly used COVID-19 animal models and the pathologic features of SARS-CoV-2 infection in these models in relation to their clinical presentation in humans. Also discussed are considerations for selecting appropriate animal models for infectious diseases such as COVID-19, the host determinants that can influence species-specific susceptibility to SARS-CoV-2, and the pathogenesis of COVID-19. Finally, the limitations of currently available COVID-19 animal models are highlighted.
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Affiliation(s)
| | - Isis Kanevsky
- Pfizer Worldwide Research, Development & Medical, Pearl River, NY
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33
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Färber I, Krüger J, Rocha C, Armando F, von Köckritz-Blickwede M, Pöhlmann S, Braun A, Baumgärtner W, Runft S, Krüger N. Investigations on SARS-CoV-2 Susceptibility of Domestic and Wild Animals Using Primary Cell Culture Models Derived from the Upper and Lower Respiratory Tract. Viruses 2022; 14:v14040828. [PMID: 35458558 PMCID: PMC9032458 DOI: 10.3390/v14040828] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2022] [Revised: 04/14/2022] [Accepted: 04/14/2022] [Indexed: 02/04/2023] Open
Abstract
Several animal species are susceptible to SARS-CoV-2 infection, as documented by case reports and serological and in vivo infection studies. However, the susceptibility of many animal species remains unknown. Furthermore, the expression patterns of SARS-CoV-2 entry factors, such as the receptor angiotensin-converting enzyme 2 (ACE2), as well as transmembrane protease serine subtype 2 (TMPRSS2) and cathepsin L (CTSL), cellular proteases involved in SARS-CoV-2 spike protein activation, are largely unexplored in most species. Here, we generated primary cell cultures from the respiratory tract of domestic and wildlife animals to assess their susceptibility to SARS-CoV-2 infection. Additionally, the presence of ACE2, TMPRSS2 and CTSL within respiratory tract compartments was investigated in a range of animals, some with unknown susceptibility to SARS-CoV-2. Productive viral replication was observed in the nasal mucosa explants and precision-cut lung slices from dogs and hamsters, whereas culture models from ferrets and multiple ungulate species were non-permissive to infection. Overall, whereas TMPRSS2 and CTSL were equally expressed in the respiratory tract, the expression levels of ACE2 were more variable, suggesting that a restricted availability of ACE2 may contribute to reduced susceptibility. Summarized, the experimental infection of primary respiratory tract cell cultures, as well as an analysis of entry-factor distribution, enable screening for SARS-CoV-2 animal reservoirs.
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Affiliation(s)
- Iris Färber
- Department of Pathology, University of Veterinary Medicine, Foundation, 30559 Hannover, Germany; (I.F.); (J.K.); (F.A.); (S.R.)
| | - Johannes Krüger
- Department of Pathology, University of Veterinary Medicine, Foundation, 30559 Hannover, Germany; (I.F.); (J.K.); (F.A.); (S.R.)
| | - Cheila Rocha
- Infection Biology Unit, German Primate Center, Leibniz Institute for Primate Research, 37077 Göttingen, Germany; (C.R.); (S.P.); (N.K.)
| | - Federico Armando
- Department of Pathology, University of Veterinary Medicine, Foundation, 30559 Hannover, Germany; (I.F.); (J.K.); (F.A.); (S.R.)
| | - Maren von Köckritz-Blickwede
- Department of Biochemistry, University of Veterinary Medicine Hannover, Foundation, 30559 Hannover, Germany;
- Research Center for Emerging Infections and Zoonoses, University of Veterinary Medicine, Foundation, 30559 Hannover, Germany
| | - Stefan Pöhlmann
- Infection Biology Unit, German Primate Center, Leibniz Institute for Primate Research, 37077 Göttingen, Germany; (C.R.); (S.P.); (N.K.)
- Faculty of Biology and Psychology, Georg-August-University, 37073 Göttingen, Germany
| | - Armin Braun
- Fraunhofer Institute for Toxicology and Experimental Medicine ITEM, 30625 Hannover, Germany;
| | - Wolfgang Baumgärtner
- Department of Pathology, University of Veterinary Medicine, Foundation, 30559 Hannover, Germany; (I.F.); (J.K.); (F.A.); (S.R.)
- Correspondence: ; Tel.: +49-511-953-8620; Fax: +49-511-953-8675
| | - Sandra Runft
- Department of Pathology, University of Veterinary Medicine, Foundation, 30559 Hannover, Germany; (I.F.); (J.K.); (F.A.); (S.R.)
| | - Nadine Krüger
- Infection Biology Unit, German Primate Center, Leibniz Institute for Primate Research, 37077 Göttingen, Germany; (C.R.); (S.P.); (N.K.)
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34
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Zhu Y, Chen X, Liu X. NETosis and Neutrophil Extracellular Traps in COVID-19: Immunothrombosis and Beyond. Front Immunol 2022; 13:838011. [PMID: 35309344 PMCID: PMC8924116 DOI: 10.3389/fimmu.2022.838011] [Citation(s) in RCA: 61] [Impact Index Per Article: 30.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2021] [Accepted: 02/08/2022] [Indexed: 12/13/2022] Open
Abstract
Infection with SARS-CoV-2, the causative agent of the Coronavirus disease 2019 (COVID-19) pandemic, causes respiratory problems and multifaceted organ dysfunction. A crucial mechanism of COVID-19 immunopathy is the recruitment and activation of neutrophils at the infection site, which also predicts disease severity and poor outcomes. The release of neutrophil extracellular traps (NETs), occurring during a regulated form of neutrophil cell death known as NETosis, is a key effector function that mediates harmful effects caused by neutrophils. Abundant NETosis and NET generation have been observed in the neutrophils of many COVID-19 patients, leading to unfavorable coagulopathy and immunothrombosis. Moreover, excessive NETosis and NET generation are now more widely recognized as mediators of additional pathophysiological abnormalities following SARS-CoV-2 infection. In this minireview, we introduce subtypes of NET-producing neutrophils (e.g., low-density granulocytes) and explain the biological importance of NETs and the protein cargos of NETs in COVID-19. In addition, we discuss the mechanisms by which SARS-CoV-2 causes NETosis by upregulating viral processes (e.g., viral entry and replication) as well as host pro-NET mechanisms (e.g., proinflammatory mediator release, platelet activation, and autoantibody production). Furthermore, we provide an update of the main findings of NETosis and NETs in immunothrombosis and other COVID-19-related disorders, such as aberrant immunity, neurological disorders, and post COVID-19 syndromes including lung fibrosis, neurological disorder, tumor progression, and deteriorated chronic illness. Finally, we address potential prospective COVID-19 treatment strategies that target dysregulated NETosis and NET formation via inhibition of NETosis and promotion of NET degradation, respectively.
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Affiliation(s)
- Yuanfeng Zhu
- Clinical Medical Research Center, Southwest Hospital, Army Military Medical University, Chongqing, China
| | - Xiaoli Chen
- Clinical Medical Research Center, Southwest Hospital, Army Military Medical University, Chongqing, China
| | - Xin Liu
- Clinical Medical Research Center, Southwest Hospital, Army Military Medical University, Chongqing, China
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35
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Muñoz-Fontela C, Widerspick L, Albrecht RA, Beer M, Carroll MW, de Wit E, Diamond MS, Dowling WE, Funnell SGP, García-Sastre A, Gerhards NM, de Jong R, Munster VJ, Neyts J, Perlman S, Reed DS, Richt JA, Riveros-Balta X, Roy CJ, Salguero FJ, Schotsaert M, Schwartz LM, Seder RA, Segalés J, Vasan SS, Henao-Restrepo AM, Barouch DH. Advances and gaps in SARS-CoV-2 infection models. PLoS Pathog 2022; 18:e1010161. [PMID: 35025969 PMCID: PMC8757994 DOI: 10.1371/journal.ppat.1010161] [Citation(s) in RCA: 47] [Impact Index Per Article: 23.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023] Open
Abstract
The global response to Coronavirus Disease 2019 (COVID-19) is now facing new challenges such as vaccine inequity and the emergence of SARS-CoV-2 variants of concern (VOCs). Preclinical models of disease, in particular animal models, are essential to investigate VOC pathogenesis, vaccine correlates of protection and postexposure therapies. Here, we provide an update from the World Health Organization (WHO) COVID-19 modeling expert group (WHO-COM) assembled by WHO, regarding advances in preclinical models. In particular, we discuss how animal model research is playing a key role to evaluate VOC virulence, transmission and immune escape, and how animal models are being refined to recapitulate COVID-19 demographic variables such as comorbidities and age.
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Affiliation(s)
- César Muñoz-Fontela
- Bernhard Nocht Institute for Tropical Medicine, Hamburg, Germany
- German Center for Infection Research (DZIF), Partner Site Hamburg-Lübeck-Borstel-Riems, Hamburg, Germany
| | - Lina Widerspick
- Bernhard Nocht Institute for Tropical Medicine, Hamburg, Germany
- German Center for Infection Research (DZIF), Partner Site Hamburg-Lübeck-Borstel-Riems, Hamburg, Germany
| | - Randy A. Albrecht
- Department of Microbiology, Global Health and Emerging Pathogens Institute, Icahn School of Medicine at Mount Sinai, New York, New York, United States of America
| | - Martin Beer
- Friedrich-Loeffler-Institut, Institute of Diagnostic Virology, Greifswald-Insel Riems, Germany
| | - Miles W. Carroll
- National Infection Service, Public Health England, Salisbury, United Kingdom
- Pandemic Sciences Centre, Nuffield Department of Medicine, Oxford University, United Kingdom
| | - Emmie de Wit
- Laboratory of Virology, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Hamilton, Montana, United States of America
| | - Michael S. Diamond
- Department of Medicine, Washington University School of Medicine, St. Louis, Missouri, United States of America
| | - William E. Dowling
- Coalition for Epidemic Preparedness Innovations (CEPI), Washington, Washington, DC, United States of America
| | - Simon G. P. Funnell
- National Infection Service, Public Health England, Salisbury, United Kingdom
| | - Adolfo García-Sastre
- Department of Microbiology, Global Health and Emerging Pathogens Institute, Icahn School of Medicine at Mount Sinai, New York, New York, United States of America
| | | | - Rineke de Jong
- Wageningen Bioveterinary Research, Lelystad, the Netherlands
| | - Vincent J. Munster
- Laboratory of Virology, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Hamilton, Montana, United States of America
| | - Johan Neyts
- KU Leuven, Department of Microbiology and Immunology, Rega Institute for Medical Research, Laboratory of Virology and Chemotherapy, Leuven, Belgium
| | - Stanley Perlman
- Department of Microbiology and Immunology, University of Iowa, Iowa City, Iowa, United States of America
| | - Douglas S. Reed
- Center for Vaccine Research and Department of Immunology, University of Pittsburgh, Pittsburgh, Pennsylvania, United States of America
| | - Juergen A. Richt
- Kansas State University, College of Veterinary Medicine, Manhattan, Kansas, United States of America
| | | | - Chad J. Roy
- Tulane National Primate Research Center, Covington, Louisiana, United States of America
| | | | - Michael Schotsaert
- Department of Microbiology, Global Health and Emerging Pathogens Institute, Icahn School of Medicine at Mount Sinai, New York, New York, United States of America
| | | | - Robert A. Seder
- Vaccine Research Center, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, Maryland, United States of America
| | - Joaquim Segalés
- Centre de Recerca en Sanitat Animal (CReSA, IRTA-UAB), Campus UAB, and Departament de Sanitat i Anatomia animals, Facultat de Veterinària, UAB, Barcelona, Spain
| | - Seshadri S. Vasan
- Australian Centre for Disease Preparedness, CSIRO, Geelong, Australia
| | | | - Dan H. Barouch
- Center for Virology and Vaccine Research, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, Massachusetts, United States of America
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36
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Yadav PD, Mendiratta SK, Mohandas S, Singh AK, Abraham P, Shete A, Bandyopadhyay S, Kumar S, Parikh A, Kalita P, Sharma V, Pandya H, Patel CG, Patel M, Soni S, Giri S, Jain M. ZRC3308 Monoclonal Antibody Cocktail Shows Protective Efficacy in Syrian Hamsters against SARS-CoV-2 Infection. Viruses 2021; 13:v13122424. [PMID: 34960695 PMCID: PMC8706527 DOI: 10.3390/v13122424] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2021] [Revised: 11/11/2021] [Accepted: 11/24/2021] [Indexed: 11/16/2022] Open
Abstract
We have developed a monoclonal antibody (mAb) cocktail (ZRC-3308) comprising of ZRC3308-A7 and ZRC3308-B10 in the ratio 1:1 for COVID-19 treatment. The mAbs were designed to have reduced immune effector functions and increased circulation half-life. mAbs showed good binding affinities to non-competing epitopes on RBD of SARS-CoV-2 spike protein and were found neutralizing SARS-CoV-2 variants B.1, B.1.1.7, B.1.351, B.1.617.2, and B.1.617.2 AY.1 in vitro. The mAb cocktail demonstrated effective prophylactic and therapeutic activity against SARS-CoV-2 infection in Syrian hamsters. The antibody cocktail appears to be a promising candidate for prophylactic use and for therapy in early COVID-19 cases that have not progressed to severe disease.
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MESH Headings
- Animals
- Antibodies, Monoclonal, Humanized/immunology
- Antibodies, Monoclonal, Humanized/therapeutic use
- Antibodies, Neutralizing/immunology
- Antibodies, Neutralizing/therapeutic use
- Antibody Affinity
- Binding Sites
- COVID-19/prevention & control
- COVID-19/therapy
- Cricetinae
- Disease Models, Animal
- Epitopes
- Humans
- Immunization, Passive
- Mesocricetus
- Mutation
- SARS-CoV-2/genetics
- SARS-CoV-2/immunology
- Spike Glycoprotein, Coronavirus/genetics
- Spike Glycoprotein, Coronavirus/immunology
- COVID-19 Serotherapy
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Affiliation(s)
- Pragya D. Yadav
- Indian Council of Medical Research-National Institute of Virology, Pune 411021, India; (S.M.); (P.A.); (A.S.)
- Correspondence: ; Tel.: +91-20-2600-6111; Fax: +91-20-2612-2669
| | - Sanjeev Kumar Mendiratta
- Zydus Research Centre, Cadila Healthcare Limited, Ahmedabad 382481, India; (S.K.M.); (A.K.S.); (S.B.); (A.P.); (P.K.); (V.S.); (H.P.); (C.G.P.); (M.P.); (S.S.); (S.G.); (M.J.)
| | - Sreelekshmy Mohandas
- Indian Council of Medical Research-National Institute of Virology, Pune 411021, India; (S.M.); (P.A.); (A.S.)
| | - Arun K. Singh
- Zydus Research Centre, Cadila Healthcare Limited, Ahmedabad 382481, India; (S.K.M.); (A.K.S.); (S.B.); (A.P.); (P.K.); (V.S.); (H.P.); (C.G.P.); (M.P.); (S.S.); (S.G.); (M.J.)
| | - Priya Abraham
- Indian Council of Medical Research-National Institute of Virology, Pune 411021, India; (S.M.); (P.A.); (A.S.)
| | - Anita Shete
- Indian Council of Medical Research-National Institute of Virology, Pune 411021, India; (S.M.); (P.A.); (A.S.)
| | - Sanjay Bandyopadhyay
- Zydus Research Centre, Cadila Healthcare Limited, Ahmedabad 382481, India; (S.K.M.); (A.K.S.); (S.B.); (A.P.); (P.K.); (V.S.); (H.P.); (C.G.P.); (M.P.); (S.S.); (S.G.); (M.J.)
| | - Sanjay Kumar
- Department of Neurosurgery, Command Hospital (Southern Command), Armed Forces Medical College (AFMC), Pune 411040, India;
| | - Aashini Parikh
- Zydus Research Centre, Cadila Healthcare Limited, Ahmedabad 382481, India; (S.K.M.); (A.K.S.); (S.B.); (A.P.); (P.K.); (V.S.); (H.P.); (C.G.P.); (M.P.); (S.S.); (S.G.); (M.J.)
| | - Pankaj Kalita
- Zydus Research Centre, Cadila Healthcare Limited, Ahmedabad 382481, India; (S.K.M.); (A.K.S.); (S.B.); (A.P.); (P.K.); (V.S.); (H.P.); (C.G.P.); (M.P.); (S.S.); (S.G.); (M.J.)
| | - Vibhuti Sharma
- Zydus Research Centre, Cadila Healthcare Limited, Ahmedabad 382481, India; (S.K.M.); (A.K.S.); (S.B.); (A.P.); (P.K.); (V.S.); (H.P.); (C.G.P.); (M.P.); (S.S.); (S.G.); (M.J.)
| | - Hardik Pandya
- Zydus Research Centre, Cadila Healthcare Limited, Ahmedabad 382481, India; (S.K.M.); (A.K.S.); (S.B.); (A.P.); (P.K.); (V.S.); (H.P.); (C.G.P.); (M.P.); (S.S.); (S.G.); (M.J.)
| | - Chirag G. Patel
- Zydus Research Centre, Cadila Healthcare Limited, Ahmedabad 382481, India; (S.K.M.); (A.K.S.); (S.B.); (A.P.); (P.K.); (V.S.); (H.P.); (C.G.P.); (M.P.); (S.S.); (S.G.); (M.J.)
| | - Mihir Patel
- Zydus Research Centre, Cadila Healthcare Limited, Ahmedabad 382481, India; (S.K.M.); (A.K.S.); (S.B.); (A.P.); (P.K.); (V.S.); (H.P.); (C.G.P.); (M.P.); (S.S.); (S.G.); (M.J.)
| | - Swagat Soni
- Zydus Research Centre, Cadila Healthcare Limited, Ahmedabad 382481, India; (S.K.M.); (A.K.S.); (S.B.); (A.P.); (P.K.); (V.S.); (H.P.); (C.G.P.); (M.P.); (S.S.); (S.G.); (M.J.)
| | - Suresh Giri
- Zydus Research Centre, Cadila Healthcare Limited, Ahmedabad 382481, India; (S.K.M.); (A.K.S.); (S.B.); (A.P.); (P.K.); (V.S.); (H.P.); (C.G.P.); (M.P.); (S.S.); (S.G.); (M.J.)
| | - Mukul Jain
- Zydus Research Centre, Cadila Healthcare Limited, Ahmedabad 382481, India; (S.K.M.); (A.K.S.); (S.B.); (A.P.); (P.K.); (V.S.); (H.P.); (C.G.P.); (M.P.); (S.S.); (S.G.); (M.J.)
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Bošnjak B, Odak I, Barros-Martins J, Sandrock I, Hammerschmidt SI, Permanyer M, Patzer GE, Greorgiev H, Gutierrez Jauregui R, Tscherne A, Schwarz JH, Kalodimou G, Ssebyatika G, Ciurkiewicz M, Willenzon S, Bubke A, Ristenpart J, Ritter C, Tuchel T, Meyer zu Natrup C, Shin DL, Clever S, Limpinsel L, Baumgärtner W, Krey T, Volz A, Sutter G, Förster R. Intranasal Delivery of MVA Vector Vaccine Induces Effective Pulmonary Immunity Against SARS-CoV-2 in Rodents. Front Immunol 2021; 12:772240. [PMID: 34858430 PMCID: PMC8632543 DOI: 10.3389/fimmu.2021.772240] [Citation(s) in RCA: 30] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/07/2021] [Accepted: 10/25/2021] [Indexed: 01/08/2023] Open
Abstract
Antigen-specific tissue-resident memory T cells (Trms) and neutralizing IgA antibodies provide the most effective protection of the lungs from viral infections. To induce those essential components of lung immunity against SARS-CoV-2, we tested various immunization protocols involving intranasal delivery of a novel Modified Vaccinia virus Ankara (MVA)-SARS-2-spike vaccine candidate. We show that a single intranasal MVA-SARS-CoV-2-S application in mice strongly induced pulmonary spike-specific CD8+ T cells, albeit restricted production of neutralizing antibodies. In prime-boost protocols, intranasal booster vaccine delivery proved to be crucial for a massive expansion of systemic and lung tissue-resident spike-specific CD8+ T cells and the development of Th1 - but not Th2 - CD4+ T cells. Likewise, very high titers of IgG and IgA anti-spike antibodies were present in serum and broncho-alveolar lavages that possessed high virus neutralization capacities to all current SARS-CoV-2 variants of concern. Importantly, the MVA-SARS-2-spike vaccine applied in intramuscular priming and intranasal boosting treatment regimen completely protected hamsters from developing SARS-CoV-2 lung infection and pathology. Together, these results identify intramuscular priming followed by respiratory tract boosting with MVA-SARS-2-S as a promising approach for the induction of local, respiratory as well as systemic immune responses suited to protect from SARS-CoV-2 infections.
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Affiliation(s)
- Berislav Bošnjak
- Institute of Immunology, Hannover Medical School, Hannover, Germany
| | - Ivan Odak
- Institute of Immunology, Hannover Medical School, Hannover, Germany
| | | | - Inga Sandrock
- Institute of Immunology, Hannover Medical School, Hannover, Germany
| | | | - Marc Permanyer
- Institute of Immunology, Hannover Medical School, Hannover, Germany
| | | | - Hristo Greorgiev
- Institute of Immunology, Hannover Medical School, Hannover, Germany
| | | | - Alina Tscherne
- Division of Virology, Department of Veterinary Sciences, Ludwig Maximilian University (LMU) Munich, Munich, Germany
- German Centre for Infection Research (DZIF), Partner Site Munich, Munich, Germany
| | - Jan Hendrik Schwarz
- Division of Virology, Department of Veterinary Sciences, Ludwig Maximilian University (LMU) Munich, Munich, Germany
| | - Georgia Kalodimou
- Division of Virology, Department of Veterinary Sciences, Ludwig Maximilian University (LMU) Munich, Munich, Germany
- German Centre for Infection Research (DZIF), Partner Site Munich, Munich, Germany
| | - George Ssebyatika
- Center of Structural and Cell Biology in Medicine, Institute of Biochemistry, University of Lübeck, Lübeck, Germany
| | | | | | - Anja Bubke
- Institute of Immunology, Hannover Medical School, Hannover, Germany
| | | | | | - Tamara Tuchel
- Institute for Virology, University of Veterinary Medicine Hannover, Hannover, Germany
| | | | - Dai-Lun Shin
- Institute for Virology, University of Veterinary Medicine Hannover, Hannover, Germany
| | - Sabrina Clever
- Institute for Virology, University of Veterinary Medicine Hannover, Hannover, Germany
| | - Leonard Limpinsel
- Division of Virology, Department of Veterinary Sciences, Ludwig Maximilian University (LMU) Munich, Munich, Germany
| | - Wolfgang Baumgärtner
- Department of Pathology, University of Veterinary Medicine Hannover, Hannover, Germany
| | - Thomas Krey
- Center of Structural and Cell Biology in Medicine, Institute of Biochemistry, University of Lübeck, Lübeck, Germany
- German Centre for Infection Research (DZIF), Partner Site Hamburg-Lübeck-Borstel-Riems, Lübeck, Germany
- Centre for Structural Systems Biology (CSSB), Hamburg, Germany
- Institute of Virology, Hannover Medical School, Hannover, Germany
- Cluster of Excellence RESIST (EXC 2155), Hannover Medical School, Hannover, Germany
| | - Asisa Volz
- Division of Virology, Department of Veterinary Sciences, Ludwig Maximilian University (LMU) Munich, Munich, Germany
- German Centre for Infection Research (DZIF), Partner Site Munich, Munich, Germany
- Institute for Virology, University of Veterinary Medicine Hannover, Hannover, Germany
| | - Gerd Sutter
- Division of Virology, Department of Veterinary Sciences, Ludwig Maximilian University (LMU) Munich, Munich, Germany
- German Centre for Infection Research (DZIF), Partner Site Munich, Munich, Germany
| | - Reinhold Förster
- Institute of Immunology, Hannover Medical School, Hannover, Germany
- Cluster of Excellence RESIST (EXC 2155), Hannover Medical School, Hannover, Germany
- German Centre for Infection Research (DZIF), Partner Site Hannover, Hannover, Germany
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38
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Patients with COVID-19: in the dark-NETs of neutrophils. Cell Death Differ 2021; 28:3125-3139. [PMID: 34031543 PMCID: PMC8142290 DOI: 10.1038/s41418-021-00805-z] [Citation(s) in RCA: 162] [Impact Index Per Article: 54.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2021] [Revised: 05/07/2021] [Accepted: 05/10/2021] [Indexed: 02/07/2023] Open
Abstract
SARS-CoV-2 infection poses a major threat to the lungs and multiple other organs, occasionally causing death. Until effective vaccines are developed to curb the pandemic, it is paramount to define the mechanisms and develop protective therapies to prevent organ dysfunction in patients with COVID-19. Individuals that develop severe manifestations have signs of dysregulated innate and adaptive immune responses. Emerging evidence implicates neutrophils and the disbalance between neutrophil extracellular trap (NET) formation and degradation plays a central role in the pathophysiology of inflammation, coagulopathy, organ damage, and immunothrombosis that characterize severe cases of COVID-19. Here, we discuss the evidence supporting a role for NETs in COVID-19 manifestations and present putative mechanisms, by which NETs promote tissue injury and immunothrombosis. We present therapeutic strategies, which have been successful in the treatment of immunο-inflammatory disorders and which target dysregulated NET formation or degradation, as potential approaches that may benefit patients with severe COVID-19.
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Ohno M, Sasaki M, Orba Y, Sekiya T, Masum MA, Ichii O, Sawamura T, Kakino A, Suzuki Y, Kida H, Sawa H, Shingai M. Abnormal Blood Coagulation and Kidney Damage in Aged Hamsters Infected with Severe Acute Respiratory Syndrome Coronavirus 2. Viruses 2021; 13:v13112137. [PMID: 34834944 PMCID: PMC8618556 DOI: 10.3390/v13112137] [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: 09/29/2021] [Revised: 10/14/2021] [Accepted: 10/20/2021] [Indexed: 01/28/2023] Open
Abstract
Systemic symptoms have often been observed in patients with coronavirus disease 2019 (COVID-19) in addition to pneumonia, however, the details are still unclear due to the lack of an appropriate animal model. In this study, we investigated and compared blood coagulation abnormalities and tissue damage between male Syrian hamsters of 9 (young) and over 36 (aged) weeks old after intranasal infection with severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2). Despite similar levels of viral replication and inflammatory responses in the lungs of both age groups, aged but not young hamsters showed significant prolongation of prothrombin time and prominent acute kidney damage. Moreover, aged hamsters demonstrated increased intravascular coagulation time-dependently in the lungs, suggesting that consumption of coagulation factors causes prothrombin time prolongation. Furthermore, proximal urinary tract damage and mesangial matrix expansion were observed in the kidneys of the aged hamsters at early and later disease stages, respectively. Given that the severity and mortality of COVID-19 are higher in elderly human patients, the effect of aging on pathogenesis needs to be understood and should be considered for the selection of animal models. We, thus, propose that the aged hamster is a good small animal model for COVID-19 research.
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Affiliation(s)
- Marumi Ohno
- Laboratory for Biologics Development, International Institute for Zoonosis Control, Hokkaido University, Sapporo 001-0020, Japan; (M.O.); (H.K.)
| | - Michihito Sasaki
- Division of Molecular Pathobiology, International Institute for Zoonosis Control, Hokkaido University, Sapporo 001-0020, Japan; (M.S.); (Y.O.)
| | - Yasuko Orba
- Division of Molecular Pathobiology, International Institute for Zoonosis Control, Hokkaido University, Sapporo 001-0020, Japan; (M.S.); (Y.O.)
| | - Toshiki Sekiya
- International Collaboration Unit, International Institute for Zoonosis Control, Hokkaido University, Sapporo 001-0020, Japan;
| | - Md. Abdul Masum
- Laboratory of Anatomy, Department of Basic Veterinary Sciences, Faculty of Veterinary Medicine, Hokkaido University, Sapporo 060-0818, Japan; (M.A.M.); (O.I.)
| | - Osamu Ichii
- Laboratory of Anatomy, Department of Basic Veterinary Sciences, Faculty of Veterinary Medicine, Hokkaido University, Sapporo 060-0818, Japan; (M.A.M.); (O.I.)
- Laboratory of Agrobiomedical Science, Faculty of Agriculture, Hokkaido University, Sapporo 060-0818, Japan
| | - Tatsuya Sawamura
- Department of Molecular Pathophysiology, School of Medicine, Shinshu University, Matsumoto 390-8621, Japan; (T.S.); (A.K.)
| | - Akemi Kakino
- Department of Molecular Pathophysiology, School of Medicine, Shinshu University, Matsumoto 390-8621, Japan; (T.S.); (A.K.)
| | - Yasuhiko Suzuki
- Division of Bioresources, International Institute for Zoonosis Control, Hokkaido University, Sapporo 001-0020, Japan;
| | - Hiroshi Kida
- Laboratory for Biologics Development, International Institute for Zoonosis Control, Hokkaido University, Sapporo 001-0020, Japan; (M.O.); (H.K.)
| | - Hirofumi Sawa
- Division of Molecular Pathobiology, International Institute for Zoonosis Control, Hokkaido University, Sapporo 001-0020, Japan; (M.S.); (Y.O.)
- One Health Research Center, Hokkaido University, Sapporo 001-0020, Japan
- Correspondence: (H.S.); (M.S.); Tel.: +81-11-706-5185 (H.S.); +81-11-706-9494 (M.S.)
| | - Masashi Shingai
- Laboratory for Biologics Development, International Institute for Zoonosis Control, Hokkaido University, Sapporo 001-0020, Japan; (M.O.); (H.K.)
- Correspondence: (H.S.); (M.S.); Tel.: +81-11-706-5185 (H.S.); +81-11-706-9494 (M.S.)
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Krüger N, Rocha C, Runft S, Krüger J, Färber I, Armando F, Leitzen E, Brogden G, Gerold G, Pöhlmann S, Hoffmann M, Baumgärtner W. The Upper Respiratory Tract of Felids Is Highly Susceptible to SARS-CoV-2 Infection. Int J Mol Sci 2021; 22:10636. [PMID: 34638978 PMCID: PMC8508926 DOI: 10.3390/ijms221910636] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/04/2021] [Revised: 09/24/2021] [Accepted: 09/28/2021] [Indexed: 02/07/2023] Open
Abstract
Natural or experimental infection of domestic cats and virus transmission from humans to captive predatory cats suggest that felids are highly susceptible to SARS-CoV-2 infection. However, it is unclear which cells and compartments of the respiratory tract are infected. To address this question, primary cell cultures derived from the nose, trachea, and lungs of cat and lion were inoculated with SARS-CoV-2. Strong viral replication was observed for nasal mucosa explants and tracheal air-liquid interface cultures, whereas replication in lung slices was less efficient. Infection was mainly restricted to epithelial cells and did not cause major pathological changes. Detection of high ACE2 levels in the nose and trachea but not lung further suggests that susceptibility of feline tissues to SARS-CoV-2 correlates with ACE2 expression. Collectively, this study demonstrates that SARS-CoV-2 can efficiently replicate in the feline upper respiratory tract ex vivo and thus highlights the risk of SARS-CoV-2 spillover from humans to felids.
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Affiliation(s)
- Nadine Krüger
- Infection Biology Unit, German Primate Center, 37077 Göttingen, Germany; (C.R.); (S.P.); (M.H.)
| | - Cheila Rocha
- Infection Biology Unit, German Primate Center, 37077 Göttingen, Germany; (C.R.); (S.P.); (M.H.)
| | - Sandra Runft
- Department of Pathology, University of Veterinary Medicine, Foundation, 30559 Hannover, Germany; (S.R.); (J.K.); (I.F.); (F.A.); (E.L.); (W.B.)
| | - Johannes Krüger
- Department of Pathology, University of Veterinary Medicine, Foundation, 30559 Hannover, Germany; (S.R.); (J.K.); (I.F.); (F.A.); (E.L.); (W.B.)
| | - Iris Färber
- Department of Pathology, University of Veterinary Medicine, Foundation, 30559 Hannover, Germany; (S.R.); (J.K.); (I.F.); (F.A.); (E.L.); (W.B.)
| | - Federico Armando
- Department of Pathology, University of Veterinary Medicine, Foundation, 30559 Hannover, Germany; (S.R.); (J.K.); (I.F.); (F.A.); (E.L.); (W.B.)
| | - Eva Leitzen
- Department of Pathology, University of Veterinary Medicine, Foundation, 30559 Hannover, Germany; (S.R.); (J.K.); (I.F.); (F.A.); (E.L.); (W.B.)
| | - Graham Brogden
- Department of Biochemistry, University of Veterinary Medicine, Foundation, 30559 Hannover, Germany; (G.B.); (G.G.)
- Research Center for Emerging Infections and Zoonoses, University of Veterinary Medicine, Foundation, 30559 Hannover, Germany
- Institute of Experimental Virology, TWINCORE, Center for Experimental and Clinical Infection Research Hannover, 30625 Hannover, Germany
| | - Gisa Gerold
- Department of Biochemistry, University of Veterinary Medicine, Foundation, 30559 Hannover, Germany; (G.B.); (G.G.)
- Research Center for Emerging Infections and Zoonoses, University of Veterinary Medicine, Foundation, 30559 Hannover, Germany
- Institute of Experimental Virology, TWINCORE, Center for Experimental and Clinical Infection Research Hannover, 30625 Hannover, Germany
- Wallenberg Centre for Molecular Medicine (WCMM), Umeå University, 90185 Umeå, Sweden
- Department of Clinical Microbiology, Umeå University, 90185 Umeå, Sweden
| | - Stefan Pöhlmann
- Infection Biology Unit, German Primate Center, 37077 Göttingen, Germany; (C.R.); (S.P.); (M.H.)
- Faculty of Biology and Psychology, Georg-August-University, 37073 Göttingen, Germany
| | - Markus Hoffmann
- Infection Biology Unit, German Primate Center, 37077 Göttingen, Germany; (C.R.); (S.P.); (M.H.)
- Faculty of Biology and Psychology, Georg-August-University, 37073 Göttingen, Germany
| | - Wolfgang Baumgärtner
- Department of Pathology, University of Veterinary Medicine, Foundation, 30559 Hannover, Germany; (S.R.); (J.K.); (I.F.); (F.A.); (E.L.); (W.B.)
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41
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Shou S, Liu M, Yang Y, Kang N, Song Y, Tan D, Liu N, Wang F, Liu J, Xie Y. Animal Models for COVID-19: Hamsters, Mouse, Ferret, Mink, Tree Shrew, and Non-human Primates. Front Microbiol 2021; 12:626553. [PMID: 34531831 PMCID: PMC8438334 DOI: 10.3389/fmicb.2021.626553] [Citation(s) in RCA: 73] [Impact Index Per Article: 24.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2020] [Accepted: 07/26/2021] [Indexed: 12/13/2022] Open
Abstract
Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) is a novel coronavirus causing acute respiratory tract infection in humans. The virus has the characteristics of rapid transmission, long incubation period and strong pathogenicity, and has spread all over the world. Therefore, it is of great significance to select appropriate animal models for antiviral drug development and therapeutic effect evaluation. Here, we review and compare the current animal models of SARS-CoV-2.
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Affiliation(s)
- Shuyu Shou
- Key Laboratory of Medical Molecular Virology, School of Basic Medical Sciences, Fudan University, Shanghai, China
| | - Menghui Liu
- Key Laboratory of Medical Molecular Virology, School of Basic Medical Sciences, Fudan University, Shanghai, China
| | - Yang Yang
- Key Laboratory of Medical Molecular Virology, School of Basic Medical Sciences, Fudan University, Shanghai, China
| | - Ning Kang
- Key Laboratory of Medical Molecular Virology, School of Basic Medical Sciences, Fudan University, Shanghai, China
| | - Yingying Song
- Key Laboratory of Medical Molecular Virology, School of Basic Medical Sciences, Fudan University, Shanghai, China
| | - Dan Tan
- Key Laboratory of Medical Molecular Virology, School of Basic Medical Sciences, Fudan University, Shanghai, China
| | - Nannan Liu
- Key Laboratory of Medical Molecular Virology, School of Basic Medical Sciences, Fudan University, Shanghai, China
| | - Feifei Wang
- Key Laboratory of Medical Molecular Virology, School of Basic Medical Sciences, Fudan University, Shanghai, China
| | - Jing Liu
- Key Laboratory of Medical Molecular Virology, School of Basic Medical Sciences, Fudan University, Shanghai, China
| | - Youhua Xie
- Key Laboratory of Medical Molecular Virology, School of Basic Medical Sciences, Fudan University, Shanghai, China
- Children’s Hospital, Fudan University, Shanghai, China
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42
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Allnoch L, Beythien G, Leitzen E, Becker K, Kaup FJ, Stanelle-Bertram S, Schaumburg B, Mounogou Kouassi N, Beck S, Zickler M, Herder V, Gabriel G, Baumgärtner W. Vascular Inflammation Is Associated with Loss of Aquaporin 1 Expression on Endothelial Cells and Increased Fluid Leakage in SARS-CoV-2 Infected Golden Syrian Hamsters. Viruses 2021; 13:v13040639. [PMID: 33918079 PMCID: PMC8069375 DOI: 10.3390/v13040639] [Citation(s) in RCA: 21] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2021] [Revised: 04/01/2021] [Accepted: 04/06/2021] [Indexed: 12/12/2022] Open
Abstract
Vascular changes represent a characteristic feature of severe acute respiratory syndrome coronavirus-2 (SARS-CoV-2) infection leading to a breakdown of the vascular barrier and subsequent edema formation. The aim of this study was to provide a detailed characterization of the vascular alterations during SARS-CoV-2 infection and to evaluate the impaired vascular integrity. Groups of ten golden Syrian hamsters were infected intranasally with SARS-CoV-2 or phosphate-buffered saline (mock infection). Necropsies were performed at 1, 3, 6, and 14 days post-infection (dpi). Lung samples were investigated using hematoxylin and eosin, alcian blue, immunohistochemistry targeting aquaporin 1, CD3, CD204, CD31, laminin, myeloperoxidase, SARS-CoV-2 nucleoprotein, and transmission electron microscopy. SARS-CoV-2 infected animals showed endothelial hypertrophy, endothelialitis, and vasculitis. Inflammation mainly consisted of macrophages and lower numbers of T-lymphocytes and neutrophils/heterophils infiltrating the vascular walls as well as the perivascular region at 3 and 6 dpi. Affected vessels showed edema formation in association with loss of aquaporin 1 on endothelial cells. In addition, an ultrastructural investigation revealed disruption of the endothelium. Summarized, the presented findings indicate that loss of aquaporin 1 entails the loss of intercellular junctions resulting in paracellular leakage of edema as a key pathogenic mechanism in SARS-CoV-2 triggered pulmonary lesions.
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Affiliation(s)
- Lisa Allnoch
- Department of Pathology, University of Veterinary Medicine Hannover, 30559 Hannover, Germany; (L.A.); (G.B.); (E.L.); (K.B.); (F.-J.K.); (V.H.)
| | - Georg Beythien
- Department of Pathology, University of Veterinary Medicine Hannover, 30559 Hannover, Germany; (L.A.); (G.B.); (E.L.); (K.B.); (F.-J.K.); (V.H.)
| | - Eva Leitzen
- Department of Pathology, University of Veterinary Medicine Hannover, 30559 Hannover, Germany; (L.A.); (G.B.); (E.L.); (K.B.); (F.-J.K.); (V.H.)
| | - Kathrin Becker
- Department of Pathology, University of Veterinary Medicine Hannover, 30559 Hannover, Germany; (L.A.); (G.B.); (E.L.); (K.B.); (F.-J.K.); (V.H.)
| | - Franz-Josef Kaup
- Department of Pathology, University of Veterinary Medicine Hannover, 30559 Hannover, Germany; (L.A.); (G.B.); (E.L.); (K.B.); (F.-J.K.); (V.H.)
| | - Stephanie Stanelle-Bertram
- Department for Viral Zoonoses-One Health, Heinrich Pette Institute, Leibniz Institute for Experimental Virology, 20251 Hamburg, Germany; (S.S.-B.); (B.S.); (N.M.K.); (S.B.); (M.Z.); (G.G.)
| | - Berfin Schaumburg
- Department for Viral Zoonoses-One Health, Heinrich Pette Institute, Leibniz Institute for Experimental Virology, 20251 Hamburg, Germany; (S.S.-B.); (B.S.); (N.M.K.); (S.B.); (M.Z.); (G.G.)
| | - Nancy Mounogou Kouassi
- Department for Viral Zoonoses-One Health, Heinrich Pette Institute, Leibniz Institute for Experimental Virology, 20251 Hamburg, Germany; (S.S.-B.); (B.S.); (N.M.K.); (S.B.); (M.Z.); (G.G.)
| | - Sebastian Beck
- Department for Viral Zoonoses-One Health, Heinrich Pette Institute, Leibniz Institute for Experimental Virology, 20251 Hamburg, Germany; (S.S.-B.); (B.S.); (N.M.K.); (S.B.); (M.Z.); (G.G.)
| | - Martin Zickler
- Department for Viral Zoonoses-One Health, Heinrich Pette Institute, Leibniz Institute for Experimental Virology, 20251 Hamburg, Germany; (S.S.-B.); (B.S.); (N.M.K.); (S.B.); (M.Z.); (G.G.)
| | - Vanessa Herder
- Department of Pathology, University of Veterinary Medicine Hannover, 30559 Hannover, Germany; (L.A.); (G.B.); (E.L.); (K.B.); (F.-J.K.); (V.H.)
| | - Gülsah Gabriel
- Department for Viral Zoonoses-One Health, Heinrich Pette Institute, Leibniz Institute for Experimental Virology, 20251 Hamburg, Germany; (S.S.-B.); (B.S.); (N.M.K.); (S.B.); (M.Z.); (G.G.)
- Institute for Virology, University for Veterinary Medicine Hannover, 30559 Hannover, Germany
| | - Wolfgang Baumgärtner
- Department of Pathology, University of Veterinary Medicine Hannover, 30559 Hannover, Germany; (L.A.); (G.B.); (E.L.); (K.B.); (F.-J.K.); (V.H.)
- Correspondence: ; Tel.: +49-511-953-8620
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