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Kirk NM, Liang Y, Ly H. Pathogenesis and virulence of coronavirus disease: Comparative pathology of animal models for COVID-19. Virulence 2024; 15:2316438. [PMID: 38362881 PMCID: PMC10878030 DOI: 10.1080/21505594.2024.2316438] [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: 10/20/2023] [Accepted: 02/04/2024] [Indexed: 02/17/2024] Open
Abstract
Animal models that can replicate clinical and pathologic features of severe human coronavirus infections have been instrumental in the development of novel vaccines and therapeutics. The goal of this review is to summarize our current understanding of the pathogenesis of coronavirus disease 2019 (COVID-19) and the pathologic features that can be observed in several currently available animal models. Knowledge gained from studying these animal models of SARS-CoV-2 infection can help inform appropriate model selection for disease modelling as well as for vaccine and therapeutic developments.
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Affiliation(s)
- Natalie M. Kirk
- Department of Veterinary & Biomedical Sciences, College of Veterinary Medicine, University of Minnesota, Twin Cities, MN, USA
| | - Yuying Liang
- Department of Veterinary & Biomedical Sciences, College of Veterinary Medicine, University of Minnesota, Twin Cities, MN, USA
| | - Hinh Ly
- Department of Veterinary & Biomedical Sciences, College of Veterinary Medicine, University of Minnesota, Twin Cities, MN, USA
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2
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Nambulli S, Escriou N, Rennick LJ, Demers MJ, Tilston-Lunel NL, McElroy AK, Barbeau DJ, Crossland NA, Hoehl RM, Schrauf S, White AG, Borish HJ, Tomko JA, Frye LJ, Scanga CA, Flynn JL, Martin A, Gerke C, Hartman AL, Duprex WP. A measles-vectored vaccine candidate expressing prefusion-stabilized SARS-CoV-2 spike protein brought to phase I/II clinical trials: protection of African green monkeys from COVID-19 disease. J Virol 2024; 98:e0176223. [PMID: 38563762 DOI: 10.1128/jvi.01762-23] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2023] [Accepted: 03/01/2024] [Indexed: 04/04/2024] Open
Abstract
Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) emerged at the end of 2019 and is responsible for the largest human pandemic in 100 years. Thirty-four vaccines are currently approved for use worldwide, and approximately 67% of the world population has received a complete primary series of one, yet countries are dealing with new waves of infections, variant viruses continue to emerge, and breakthrough infections are frequent secondary to waning immunity. Here, we evaluate a measles virus (MV)-vectored vaccine expressing a stabilized prefusion SARS-CoV-2 spike (S) protein (MV-ATU3-S2PΔF2A; V591) with demonstrated immunogenicity in mouse models (see companion article [J. Brunet, Z. Choucha, M. Gransagne, H. Tabbal, M.-W. Ku et al., J Virol 98:e01693-23, 2024, https://doi.org/10.1128/jvi.01693-23]) in an established African green monkey model of disease. Animals were vaccinated with V591 or the control vaccine (an equivalent MV-vectored vaccine with an irrelevant antigen) intramuscularly using a prime/boost schedule, followed by challenge with an early pandemic isolate of SARS-CoV-2 at 56 days post-vaccination. Pre-challenge, only V591-vaccinated animals developed S-specific antibodies that had virus-neutralizing activity as well as S-specific T cells. Following the challenge, V591-vaccinated animals had lower infectious virus and viral (v) RNA loads in mucosal secretions and stopped shedding virus in these secretions earlier. vRNA loads were lower in these animals in respiratory and gastrointestinal tract tissues at necropsy. This correlated with a lower disease burden in the lungs as quantified by PET/CT at early and late time points post-challenge and by pathological analysis at necropsy.IMPORTANCESevere acute respiratory syndrome coronavirus 2 (SARS-CoV-2) is responsible for the largest human pandemic in 100 years. Even though vaccines are currently available, countries are dealing with new waves of infections, variant viruses continue to emerge, breakthrough infections are frequent, and vaccine hesitancy persists. This study uses a safe and effective measles vaccine as a platform for vaccination against SARS-CoV-2. The candidate vaccine was used to vaccinate African green monkeys (AGMs). All vaccinated AGMs developed robust antigen-specific immune responses. After challenge, these AGMs produced less virus in mucosal secretions, for a shorter period, and had a reduced disease burden in the lungs compared to control animals. At necropsy, lower levels of viral RNA were detected in tissue samples from vaccinated animals, and the lungs of these animals lacked the histologic hallmarks of SARS-CoV-2 disease observed exclusively in the control AGMs.
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MESH Headings
- Animals
- Spike Glycoprotein, Coronavirus/immunology
- Spike Glycoprotein, Coronavirus/genetics
- Chlorocebus aethiops
- SARS-CoV-2/immunology
- SARS-CoV-2/genetics
- COVID-19/prevention & control
- COVID-19/immunology
- COVID-19/virology
- Measles virus/immunology
- Measles virus/genetics
- COVID-19 Vaccines/immunology
- Humans
- Antibodies, Viral/immunology
- Antibodies, Viral/blood
- Antibodies, Neutralizing/immunology
- Antibodies, Neutralizing/blood
- Genetic Vectors
- Vero Cells
- Pandemics/prevention & control
- Female
- Betacoronavirus/immunology
- Betacoronavirus/genetics
- Pneumonia, Viral/prevention & control
- Pneumonia, Viral/virology
- Pneumonia, Viral/immunology
- Coronavirus Infections/prevention & control
- Coronavirus Infections/immunology
- Coronavirus Infections/virology
- Coronavirus Infections/veterinary
- Viral Vaccines/immunology
- Viral Vaccines/genetics
- Viral Vaccines/administration & dosage
- Disease Models, Animal
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Affiliation(s)
- Sham Nambulli
- Center for Vaccine Research, University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania, USA
- Department of Microbiology and Molecular Genetics, University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania, USA
| | - Nicolas Escriou
- Département de Santé Globale, Institut Pasteur, Université de Paris Cite, Paris, France
| | - Linda J Rennick
- Center for Vaccine Research, University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania, USA
- Department of Microbiology and Molecular Genetics, University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania, USA
| | - Matthew J Demers
- Center for Vaccine Research, University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania, USA
| | - Natasha L Tilston-Lunel
- Center for Vaccine Research, University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania, USA
- Department of Microbiology and Molecular Genetics, University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania, USA
| | - Anita K McElroy
- Center for Vaccine Research, University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania, USA
- Division of Pediatric Infectious Disease, University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania, USA
| | - Dominique J Barbeau
- Center for Vaccine Research, University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania, USA
- Division of Pediatric Infectious Disease, University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania, USA
| | - Nicholas A Crossland
- National Emerging Infectious Diseases Laboratories, Boston University School of Medicine, Boston, Massachusetts, USA
- Department of Pathology and Laboratory Medicine, Boston University School of Medicine, Boston, Massachusetts, USA
| | - Ryan M Hoehl
- Center for Vaccine Research, University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania, USA
| | - Sabrina Schrauf
- Themis Bioscience GmbH, a subsidiary of Merck & Co., Inc., Rahway, New Jersey, USA
| | - Alexander G White
- Department of Microbiology and Molecular Genetics, University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania, USA
| | - H Jacob Borish
- Department of Microbiology and Molecular Genetics, University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania, USA
| | - Jaime A Tomko
- Department of Microbiology and Molecular Genetics, University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania, USA
| | - Lonnie J Frye
- Department of Microbiology and Molecular Genetics, University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania, USA
| | - Charles A Scanga
- Center for Vaccine Research, University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania, USA
- Department of Microbiology and Molecular Genetics, University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania, USA
| | - JoAnne L Flynn
- Center for Vaccine Research, University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania, USA
- Department of Microbiology and Molecular Genetics, University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania, USA
| | - Annette Martin
- CNRS UMR3569, Génétique Moléculaire des Virus à ARN, Institut Pasteur, Université de Paris, Paris, France
| | - Christiane Gerke
- Vaccine Programs, Institut Pasteur, Université de Paris Cite, Innovation Office, Paris, France
| | - Amy L Hartman
- Center for Vaccine Research, University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania, USA
- Department of Infectious Diseases and Microbiology, University of Pittsburgh School of Public Health, Pittsburgh, Pennsylvania, USA
| | - W Paul Duprex
- Center for Vaccine Research, University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania, USA
- Department of Microbiology and Molecular Genetics, University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania, USA
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Snedden CE, Lloyd-Smith JO. Predicting the presence of infectious virus from PCR data: A meta-analysis of SARS-CoV-2 in non-human primates. PLoS Pathog 2024; 20:e1012171. [PMID: 38683864 PMCID: PMC11081500 DOI: 10.1371/journal.ppat.1012171] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2023] [Revised: 05/09/2024] [Accepted: 04/03/2024] [Indexed: 05/02/2024] Open
Abstract
Researchers and clinicians often rely on molecular assays like PCR to identify and monitor viral infections, instead of the resource-prohibitive gold standard of viral culture. However, it remains unclear when (if ever) PCR measurements of viral load are reliable indicators of replicating or infectious virus. The recent popularity of PCR protocols targeting subgenomic RNA for SARS-CoV-2 has caused further confusion, as the relationships between subgenomic RNA and standard total RNA assays are incompletely characterized and opinions differ on which RNA type better predicts culture outcomes. Here, we explore these issues by comparing total RNA, subgenomic RNA, and viral culture results from 24 studies of SARS-CoV-2 in non-human primates (including 2167 samples from 174 individuals) using custom-developed Bayesian statistical models. On out-of-sample data, our best models predict subgenomic RNA positivity from total RNA data with 91% accuracy, and they predict culture positivity with 85% accuracy. Further analyses of individual time series indicate that many apparent prediction errors may arise from issues with assay sensitivity or sample processing, suggesting true accuracy may be higher than these estimates. Total RNA and subgenomic RNA showed equivalent performance as predictors of culture positivity. Multiple cofactors (including exposure conditions, host traits, and assay protocols) influence culture predictions, yielding insights into biological and methodological sources of variation in assay outcomes-and indicating that no single threshold value applies across study designs. We also show that our model can accurately predict when an individual is no longer infectious, illustrating the potential for future models trained on human data to guide clinical decisions on case isolation. Our work shows that meta-analysis of in vivo data can overcome longstanding challenges arising from limited sample sizes and can yield robust insights beyond those attainable from individual studies. Our analytical pipeline offers a framework to develop similar predictive tools in other virus-host systems, including models trained on human data, which could support laboratory analyses, medical decisions, and public health guidelines.
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Affiliation(s)
- Celine E. Snedden
- Department of Ecology and Evolutionary Biology, University of California Los Angeles, Los Angeles, California, United States of America
| | - James O. Lloyd-Smith
- Department of Ecology and Evolutionary Biology, University of California Los Angeles, Los Angeles, California, United States of America
- Department of Computational Medicine, University of California Los Angeles, Los Angeles, California, United States of America
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4
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Fekete M, Major D, Feher A, Fazekas-Pongor V, Lehoczki A. Geroscience and pathology: a new frontier in understanding age-related diseases. Pathol Oncol Res 2024; 30:1611623. [PMID: 38463143 PMCID: PMC10922957 DOI: 10.3389/pore.2024.1611623] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/04/2023] [Accepted: 02/07/2024] [Indexed: 03/12/2024]
Abstract
Geroscience, a burgeoning discipline at the intersection of aging and disease, aims to unravel the intricate relationship between the aging process and pathogenesis of age-related diseases. This paper explores the pivotal role played by geroscience in reshaping our understanding of pathology, with a particular focus on age-related diseases. These diseases, spanning cardiovascular and cerebrovascular disorders, malignancies, and neurodegenerative conditions, significantly contribute to the morbidity and mortality of older individuals. We delve into the fundamental cellular and molecular mechanisms underpinning aging, including mitochondrial dysfunction and cellular senescence, and elucidate their profound implications for the pathogenesis of various age-related diseases. Emphasis is placed on the importance of assessing key biomarkers of aging and biological age within the realm of pathology. We also scrutinize the interplay between cellular senescence and cancer biology as a central area of focus, underscoring its paramount significance in contemporary pathological research. Moreover, we shed light on the integration of anti-aging interventions that target fundamental aging processes, such as senolytics, mitochondria-targeted treatments, and interventions that influence epigenetic regulation within the domain of pathology research. In conclusion, the integration of geroscience concepts into pathological research heralds a transformative paradigm shift in our understanding of disease pathogenesis and promises breakthroughs in disease prevention and treatment.
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Affiliation(s)
- Monika Fekete
- Department of Public Health, Semmelweis University, Budapest, Hungary
| | - David Major
- Department of Public Health, Semmelweis University, Budapest, Hungary
| | - Agnes Feher
- Department of Public Health, Semmelweis University, Budapest, Hungary
| | | | - Andrea Lehoczki
- Department of Public Health, Semmelweis University, Budapest, Hungary
- Departments of Hematology and Stem Cell Transplantation, South Pest Central Hospital, National Institute of Hematology and Infectious Diseases, Saint Ladislaus Campus, Budapest, Hungary
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5
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Nederlof RA, de la Garza MA, Bakker J. Perspectives on SARS-CoV-2 Cases in Zoological Institutions. Vet Sci 2024; 11:78. [PMID: 38393096 PMCID: PMC10893009 DOI: 10.3390/vetsci11020078] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/06/2024] [Revised: 01/30/2024] [Accepted: 02/05/2024] [Indexed: 02/25/2024] Open
Abstract
Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) infections in a zoological institution were initially reported in March 2020. Since then, at least 94 peer-reviewed cases have been reported in zoos worldwide. Among the affected animals, nonhuman primates, carnivores, and artiodactyls appear to be most susceptible to infection, with the Felidae family accounting for the largest number of reported cases. Clinical symptoms tend to be mild across taxa; although, certain species exhibit increased susceptibility to disease. A variety of diagnostic tools are available, allowing for initial diagnostics and for the monitoring of infectious risk. Whilst supportive therapy proves sufficient in most cases, monoclonal antibody therapy has emerged as a promising additional treatment option. Effective transmission of SARS-CoV-2 in some species raises concerns over potential spillover and the formation of reservoirs. The occurrence of SARS-CoV-2 in a variety of animal species may contribute to the emergence of variants of concern due to altered viral evolutionary constraints. Consequently, this review emphasizes the need for effective biosecurity measures and surveillance strategies to prevent and control SARS-CoV-2 infections in zoological institutions.
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Affiliation(s)
| | - Melissa A. de la Garza
- Michale E. Keeling Center for Comparative Medicine and Research, University of Texas MD Anderson Cancer Center, Bastrop, TX 78602, USA
| | - Jaco Bakker
- Biomedical Primate Research Centre, 2288 GJ Rijswijk, The Netherlands
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6
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Kwon T. Utilizing non-human primate models to combat recent COVID-19/SARS-CoV-2 and viral infectious disease outbreaks. J Med Primatol 2024; 53:e12689. [PMID: 38084001 DOI: 10.1111/jmp.12689] [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: 10/05/2023] [Revised: 11/01/2023] [Accepted: 12/01/2023] [Indexed: 02/13/2024]
Abstract
In recent times, global viral outbreaks and diseases, such as COVID-19 (SARS-CoV-2), Zika (ZIKV), monkeypox (MPOX), Ebola (EBOV), and Marburg (MARV), have been extensively documented. Swiftly deciphering the mechanisms underlying disease pathogenesis and devising vaccines or therapeutic interventions to curtail these outbreaks stand as paramount imperatives. Amidst these endeavors, animal models emerge as pivotal tools. Among these models, non-human primates (NHPs) hold a position of particular importance. Their proximity in evolutionary lineage and physiological resemblances to humans render them a primary model for comprehending human viral infections. This review encapsulates the pivotal role of various NHP species-such as rhesus macaques (Macaca mulatta), cynomolgus macaques (Macaca fascicularis), african green monkeys (Chlorocebus sabaeus/aethiops), pigtailed macaques (Macaca nemestrina/Macaca leonina), baboons (Papio hamadryas/Papio anubis), and common marmosets (Callithrix jacchus)-in investigations pertaining to the abovementioned viral outbreaks. These NHP models play a pivotal role in illuminating key aspects of disease dynamics, facilitating the development of effective countermeasures, and contributing significantly to our overall understanding of viral pathogenesis.
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Affiliation(s)
- Taeho Kwon
- Primate Resources Center, Korea Research Institute of Bioscience and Biotechnology (KRIBB), Jeongeup-si, Jeonbuk, Korea
- Department of Functional Genomics, KRIBB School of Bioscience, Korea National University of Science and Technology (UST), Daejeon, Korea
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7
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Zhang J, Rissmann M, Kuiken T, Haagmans BL. Comparative Pathogenesis of Severe Acute Respiratory Syndrome Coronaviruses. ANNUAL REVIEW OF PATHOLOGY 2024; 19:423-451. [PMID: 37832946 DOI: 10.1146/annurev-pathol-052620-121224] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/15/2023]
Abstract
Over the last two decades the world has witnessed the global spread of two genetically related highly pathogenic coronaviruses, severe acute respiratory syndrome coronavirus (SARS-CoV) and SARS-CoV-2. However, the impact of these outbreaks differed significantly with respect to the hospitalizations and fatalities seen worldwide. While many studies have been performed recently on SARS-CoV-2, a comparative pathogenesis analysis with SARS-CoV may further provide critical insights into the mechanisms of disease that drive coronavirus-induced respiratory disease. In this review, we comprehensively describe clinical and experimental observations related to transmission and pathogenesis of SARS-CoV-2 in comparison with SARS-CoV, focusing on human, animal, and in vitro studies. By deciphering the similarities and disparities of SARS-CoV and SARS-CoV-2, in terms of transmission and pathogenesis mechanisms, we offer insights into the divergent characteristics of these two viruses. This information may also be relevant to assessing potential novel introductions of genetically related highly pathogenic coronaviruses.
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Affiliation(s)
- Jingshu Zhang
- Viroscience Department, Erasmus Medical Center, Rotterdam, The Netherlands;
| | - Melanie Rissmann
- Viroscience Department, Erasmus Medical Center, Rotterdam, The Netherlands;
| | - Thijs Kuiken
- Viroscience Department, Erasmus Medical Center, Rotterdam, The Netherlands;
| | - Bart L Haagmans
- Viroscience Department, Erasmus Medical Center, Rotterdam, The Netherlands;
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8
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Wang C, Khatun MS, Zhang Z, Allen MJ, Chen Z, Ellsworth CR, Currey JM, Dai G, Tian D, Bach K, Yin XM, Traina-Dorge V, Rappaport J, Maness NJ, Blair RV, Kolls JK, Pociask DA, Qin X. COVID-19 and influenza infections mediate distinct pulmonary cellular and transcriptomic changes. Commun Biol 2023; 6:1265. [PMID: 38092883 PMCID: PMC10719262 DOI: 10.1038/s42003-023-05626-z] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2023] [Accepted: 11/22/2023] [Indexed: 12/17/2023] Open
Abstract
SARS-CoV-2 infection can cause persistent respiratory sequelae. However, the underlying mechanisms remain unclear. Here we report that sub-lethally infected K18-human ACE2 mice show patchy pneumonia associated with histiocytic inflammation and collagen deposition at 21 and 45 days post infection (DPI). Transcriptomic analyses revealed that compared to influenza-infected mice, SARS-CoV-2-infected mice had reduced interferon-gamma/alpha responses at 4 DPI and failed to induce keratin 5 (Krt5) at 6 DPI in lung, a marker of nascent pulmonary progenitor cells. Histologically, influenza- but not SARS-CoV-2-infected mice showed extensive Krt5+ "pods" structure co-stained with stem cell markers Trp63/NGFR proliferated in the pulmonary consolidation area at both 7 and 14 DPI, with regression at 21 DPI. These Krt5+ "pods" structures were not observed in the lungs of SARS-CoV-2-infected humans or nonhuman primates. These results suggest that SARS-CoV-2 infection fails to induce nascent Krt5+ cell proliferation in consolidated regions, leading to incomplete repair of the injured lung.
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Affiliation(s)
- Chenxiao Wang
- Tulane National Primate Research Center, Covington, LA, 70433, USA
- Department of Microbiology and Immunology, Tulane University School of Medicine, New Orleans, LA, 70112, USA
| | - Mst Shamima Khatun
- Department of Medicine and Pediatrics, Center for Translational Research in Infection and Inflammation, Tulane University School of Medicine, New Orleans, LA, 70112, USA
| | - Zhe Zhang
- Department of Pulmonary Critical Care and Environmental Medicine, Tulane University School of Medicine, New Orleans, LA, 70112, USA
| | - Michaela J Allen
- Department of Pulmonary Critical Care and Environmental Medicine, Tulane University School of Medicine, New Orleans, LA, 70112, USA
| | - Zheng Chen
- Tulane National Primate Research Center, Covington, LA, 70433, USA
- Department of Microbiology and Immunology, Tulane University School of Medicine, New Orleans, LA, 70112, USA
| | - Calder R Ellsworth
- Tulane National Primate Research Center, Covington, LA, 70433, USA
- Department of Microbiology and Immunology, Tulane University School of Medicine, New Orleans, LA, 70112, USA
| | - Joshua M Currey
- Tulane National Primate Research Center, Covington, LA, 70433, USA
- Department of Microbiology and Immunology, Tulane University School of Medicine, New Orleans, LA, 70112, USA
| | - Guixiang Dai
- Department of Medicine and Pediatrics, Center for Translational Research in Infection and Inflammation, Tulane University School of Medicine, New Orleans, LA, 70112, USA
| | - Di Tian
- Department of Pathology and Laboratory Medicine, Tulane University School of Medicine, New Orleans, LA, 70112, USA
| | - Konrad Bach
- Department of Pathology and Laboratory Medicine, Tulane University School of Medicine, New Orleans, LA, 70112, USA
| | - Xiao-Ming Yin
- Department of Pathology and Laboratory Medicine, Tulane University School of Medicine, New Orleans, LA, 70112, USA
| | - Vicki Traina-Dorge
- Tulane National Primate Research Center, Covington, LA, 70433, USA
- Department of Microbiology and Immunology, Tulane University School of Medicine, New Orleans, LA, 70112, USA
| | - Jay Rappaport
- Tulane National Primate Research Center, Covington, LA, 70433, USA
- Department of Microbiology and Immunology, Tulane University School of Medicine, New Orleans, LA, 70112, USA
| | - Nicholas J Maness
- Tulane National Primate Research Center, Covington, LA, 70433, USA
- Department of Microbiology and Immunology, Tulane University School of Medicine, New Orleans, LA, 70112, USA
| | - Robert V Blair
- Tulane National Primate Research Center, Covington, LA, 70433, USA
| | - Jay K Kolls
- Department of Medicine and Pediatrics, Center for Translational Research in Infection and Inflammation, Tulane University School of Medicine, New Orleans, LA, 70112, USA
| | - Derek A Pociask
- Department of Pulmonary Critical Care and Environmental Medicine, Tulane University School of Medicine, New Orleans, LA, 70112, USA.
| | - Xuebin Qin
- Tulane National Primate Research Center, Covington, LA, 70433, USA.
- Department of Microbiology and Immunology, Tulane University School of Medicine, New Orleans, LA, 70112, USA.
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9
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Morozov I, Gaudreault NN, Trujillo JD, Indran SV, Cool K, Kwon T, Meekins DA, Balaraman V, Artiaga BL, Madden DW, McDowell C, Njaa B, Retallick J, Hainer N, Millership J, Wilson WC, Tkalcevic G, Vander Horst H, Burakova Y, King V, Hutchinson K, Hardham JM, Schwahn DJ, Kumar M, Richt JA. Preliminary Study on the Efficacy of a Recombinant, Subunit SARS-CoV-2 Animal Vaccine against Virulent SARS-CoV-2 Challenge in Cats. Vaccines (Basel) 2023; 11:1831. [PMID: 38140233 PMCID: PMC10747320 DOI: 10.3390/vaccines11121831] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/11/2023] [Revised: 11/26/2023] [Accepted: 11/30/2023] [Indexed: 12/24/2023] Open
Abstract
The objective of this work was to evaluate the safety and efficacy of a recombinant, subunit SARS-CoV-2 animal vaccine in cats against virulent SARS-CoV-2 challenge. Two groups of cats were immunized with two doses of either a recombinant SARS-CoV-2 spike protein vaccine or a placebo, administered three weeks apart. Seven weeks after the second vaccination, both groups of cats were challenged with SARS-CoV-2 via the intranasal and oral routes simultaneously. Animals were monitored for 14 days post-infection for clinical signs and viral shedding before being humanely euthanized and evaluated for macroscopic and microscopic lesions. The recombinant SARS-CoV-2 spike protein subunit vaccine induced strong serologic responses post-vaccination and significantly increased neutralizing antibody responses post-challenge. A significant difference in nasal and oral viral shedding, with significantly reduced virus load (detected using RT-qPCR) was observed in vaccinates compared to mock-vaccinated controls. Duration of nasal, oral, and rectal viral shedding was also significantly reduced in vaccinates compared to controls. No differences in histopathological lesion scores were noted between the two groups. Our findings support the safety and efficacy of the recombinant spike protein-based SARS-CoV-2 vaccine which induced high levels of neutralizing antibodies and reduced nasal, oral, and rectal viral shedding, indicating that this vaccine will be efficacious as a COVID-19 vaccine for domestic cats.
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Affiliation(s)
- Igor Morozov
- Department of Diagnostic Medicine/Pathobiology, College of Veterinary Medicine, Kansas State University, Manhattan, KS 66506, USA (V.B.)
| | - Natasha N. Gaudreault
- Department of Diagnostic Medicine/Pathobiology, College of Veterinary Medicine, Kansas State University, Manhattan, KS 66506, USA (V.B.)
| | - Jessie D. Trujillo
- Department of Diagnostic Medicine/Pathobiology, College of Veterinary Medicine, Kansas State University, Manhattan, KS 66506, USA (V.B.)
| | - Sabarish V. Indran
- Department of Diagnostic Medicine/Pathobiology, College of Veterinary Medicine, Kansas State University, Manhattan, KS 66506, USA (V.B.)
| | - Konner Cool
- Department of Diagnostic Medicine/Pathobiology, College of Veterinary Medicine, Kansas State University, Manhattan, KS 66506, USA (V.B.)
| | - Taeyong Kwon
- Department of Diagnostic Medicine/Pathobiology, College of Veterinary Medicine, Kansas State University, Manhattan, KS 66506, USA (V.B.)
| | - David A. Meekins
- Department of Diagnostic Medicine/Pathobiology, College of Veterinary Medicine, Kansas State University, Manhattan, KS 66506, USA (V.B.)
| | - Velmurugan Balaraman
- Department of Diagnostic Medicine/Pathobiology, College of Veterinary Medicine, Kansas State University, Manhattan, KS 66506, USA (V.B.)
| | - Bianca Libanori Artiaga
- Department of Diagnostic Medicine/Pathobiology, College of Veterinary Medicine, Kansas State University, Manhattan, KS 66506, USA (V.B.)
| | - Daniel W. Madden
- Department of Diagnostic Medicine/Pathobiology, College of Veterinary Medicine, Kansas State University, Manhattan, KS 66506, USA (V.B.)
| | - Chester McDowell
- Department of Diagnostic Medicine/Pathobiology, College of Veterinary Medicine, Kansas State University, Manhattan, KS 66506, USA (V.B.)
| | - Bradley Njaa
- Kansas State Veterinary Diagnostic Laboratory, Kansas State University, Manhattan, KS 66506, USA; (B.N.)
| | - Jamie Retallick
- Kansas State Veterinary Diagnostic Laboratory, Kansas State University, Manhattan, KS 66506, USA; (B.N.)
| | | | | | - William C. Wilson
- Foreign Arthropod-Borne Animal Disease Research Unit, National Bio and Agro-Defense Facility, United States Department of Agriculture, Manhattan, KS 66506, USA
| | | | | | | | | | | | | | | | | | - Juergen A. Richt
- Department of Diagnostic Medicine/Pathobiology, College of Veterinary Medicine, Kansas State University, Manhattan, KS 66506, USA (V.B.)
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10
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Saturday T, van Doremalen N. Pathogenesis of severe acute respiratory syndrome coronavirus-2 in nonhuman primates. Curr Opin Virol 2023; 63:101375. [PMID: 37826865 DOI: 10.1016/j.coviro.2023.101375] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/10/2023] [Revised: 09/07/2023] [Accepted: 09/11/2023] [Indexed: 10/14/2023]
Abstract
The continued pressure of COVID-19 on public health worldwide underlines the need for a better understanding of the mechanisms of disease caused by severe acute respiratory syndrome coronavirus-2. Though many animal models are readily available for use, the nonhuman primate (NHP) models are considered the gold standard in recapitulating disease progression in humans. In this review, we highlight the relevant research since the beginning of the pandemic to critically evaluate the importance of this model. We characterize the disease's clinical manifestations, aspects of viral replication and shedding, induction of the host's immune response, and pathological findings that broaden our understanding of the importance of NHPs in research to strengthen our public health approach to the pandemic.
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Affiliation(s)
- Taylor Saturday
- Laboratory of Virology, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Hamilton, MT, USA
| | - Neeltje van Doremalen
- Laboratory of Virology, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Hamilton, MT, USA.
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11
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Stone HM, Unal E, Romano TA, Turner PE. Beluga whale and bottlenose dolphin ACE2 proteins allow cell entry mediated by spike protein from three variants of SARS-CoV-2. Biol Lett 2023; 19:20230321. [PMID: 38053365 PMCID: PMC10698476 DOI: 10.1098/rsbl.2023.0321] [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: 07/10/2023] [Accepted: 11/14/2023] [Indexed: 12/07/2023] Open
Abstract
Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) viruses infect numerous non-human species. Spillover of SARS-CoV-2 into novel animal reservoirs may present a danger to host individuals of these species, particularly worrisome in populations already endangered or threatened by extinction. In addition, emergence in new reservoirs could pose spillback threats to humans, especially in the form of virus variants that further mutate when infecting other animal hosts. Previous work suggests beluga whales (Delphinapterus leucas) and bottlenose dolphins (Tursiops truncatus) may be at risk owing to their formation of social groups, contact with humans, exposure to contaminated wastewater, and structure of their angiotensin-converting enzyme 2 (ACE2) proteins, which SARS-CoV-2 uses as a cellular receptor. We examined marine-mammal susceptibility to virus infection by challenging 293T cells expressing beluga or dolphin ACE2 with pseudovirions bearing the SARS-CoV-2 spike protein. Beluga and dolphin ACE2 were sufficient to allow cell entry by an early pandemic isolate (Wuhan-Hu-1) and two evolved variants (Delta B.1.617.2 and Omicron BA.1 strains). We conclude that SARS-CoV-2 poses a potential threat to marine mammal reservoirs that should be considered in surveillance efforts.
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Affiliation(s)
- H. M. Stone
- Graduate Program in Microbiology, Yale School of Medicine, New Haven, CT 06520, USA
- Department of Ecology and Evolutionary Biology, Yale University, New Haven, CT 06520, USA
| | - E. Unal
- Sea Research Foundation, Inc. d/b/a Mystic Aquarium, Mystic, CT 06355, USA
- Department of Marine Sciences, University of Connecticut Avery Point Campus, Groton, CT 06340, USA
| | - T. A. Romano
- Sea Research Foundation, Inc. d/b/a Mystic Aquarium, Mystic, CT 06355, USA
- Department of Marine Sciences, University of Connecticut Avery Point Campus, Groton, CT 06340, USA
| | - P. E. Turner
- Graduate Program in Microbiology, Yale School of Medicine, New Haven, CT 06520, USA
- Department of Ecology and Evolutionary Biology, Yale University, New Haven, CT 06520, USA
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12
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Cross RW, Wiethoff CM, Brown-Augsburger P, Berens S, Blackbourne J, Liu L, Wu X, Tetreault J, Dodd C, Sina R, Witcher DR, Newcomb D, Frost D, Wilcox A, Borisevich V, Agans KN, Woolsey C, Prasad AN, Deer DJ, Geisbert JB, Dobias NS, Fenton KA, Strifler B, Ebert P, Higgs R, Beall A, Chanda S, Riva L, Yin X, Geisbert TW. The Therapeutic Monoclonal Antibody Bamlanivimab Does Not Enhance SARS-CoV-2 Infection by FcR-Mediated Mechanisms. Pathogens 2023; 12:1408. [PMID: 38133292 PMCID: PMC10746090 DOI: 10.3390/pathogens12121408] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2023] [Revised: 11/10/2023] [Accepted: 11/16/2023] [Indexed: 12/23/2023] Open
Abstract
As part of the non-clinical safety package characterizing bamlanivimab (SARS-CoV-2 neutralizing monoclonal antibody), the risk profile for antibody-dependent enhancement of infection (ADE) was evaluated in vitro and in an African green monkey (AGM) model of COVID-19. In vitro ADE assays in primary human macrophage, Raji, or THP-1 cells were used to evaluate enhancement of viral infection. Bamlanivimab binding to C1q, FcR, and cell-based effector activity was also assessed. In AGMs, the impact of bamlanivimab pretreatment on viral loads and clinical and histological pathology was assessed to evaluate enhanced SARS-CoV-2 replication or pathology. Bamlanivimab did not increase viral replication in vitro, despite a demonstrated effector function. In vivo, no significant differences were found among the AGM groups for weight, temperature, or food intake. Treatment with bamlanivimab reduced viral loads in nasal and oral swabs and BAL fluid relative to control groups. Viral antigen was not detected in lung tissue from animals treated with the highest dose of bamlanivimab. Bamlanivimab did not induce ADE of SARS-CoV-2 infection in vitro or in an AGM model of infection at any dose evaluated. The findings suggest that high-affinity monoclonal antibodies pose a low risk of mediating ADE in patients and support their safety profile as a treatment of COVID-19 disease.
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Affiliation(s)
- Robert W. Cross
- Department of Microbiology and Immunology, University of Texas Medical Branch, Galveston, TX 77555, USA (A.N.P.)
- Galveston National Laboratory, University of Texas Medical Branch, Galveston, TX 77555, USA
| | | | | | - Shawn Berens
- Eli Lilly and Company, Indianapolis, IN 46285, USA; (P.B.-A.); (S.B.)
| | - Jamie Blackbourne
- Eli Lilly and Company, Indianapolis, IN 46285, USA; (P.B.-A.); (S.B.)
| | - Ling Liu
- Eli Lilly and Company, Indianapolis, IN 46285, USA; (P.B.-A.); (S.B.)
| | - Xiaohua Wu
- Eli Lilly and Company, Indianapolis, IN 46285, USA; (P.B.-A.); (S.B.)
| | | | - Carter Dodd
- Eli Lilly and Company, Indianapolis, IN 46285, USA; (P.B.-A.); (S.B.)
| | - Ramtin Sina
- Eli Lilly and Company, Indianapolis, IN 46285, USA; (P.B.-A.); (S.B.)
| | | | - Deanna Newcomb
- Charles River Laboratories, Inc., Reno, NV 89511, USA; (D.N.); (A.W.)
| | - Denzil Frost
- Charles River Laboratories, Inc., Reno, NV 89511, USA; (D.N.); (A.W.)
| | - Angela Wilcox
- Charles River Laboratories, Inc., Reno, NV 89511, USA; (D.N.); (A.W.)
| | - Viktoriya Borisevich
- Department of Microbiology and Immunology, University of Texas Medical Branch, Galveston, TX 77555, USA (A.N.P.)
- Galveston National Laboratory, University of Texas Medical Branch, Galveston, TX 77555, USA
| | - Krystle N. Agans
- Department of Microbiology and Immunology, University of Texas Medical Branch, Galveston, TX 77555, USA (A.N.P.)
- Galveston National Laboratory, University of Texas Medical Branch, Galveston, TX 77555, USA
| | - Courtney Woolsey
- Department of Microbiology and Immunology, University of Texas Medical Branch, Galveston, TX 77555, USA (A.N.P.)
- Galveston National Laboratory, University of Texas Medical Branch, Galveston, TX 77555, USA
| | - Abhishek N. Prasad
- Department of Microbiology and Immunology, University of Texas Medical Branch, Galveston, TX 77555, USA (A.N.P.)
- Galveston National Laboratory, University of Texas Medical Branch, Galveston, TX 77555, USA
| | - Daniel J. Deer
- Department of Microbiology and Immunology, University of Texas Medical Branch, Galveston, TX 77555, USA (A.N.P.)
- Galveston National Laboratory, University of Texas Medical Branch, Galveston, TX 77555, USA
| | - Joan B. Geisbert
- Department of Microbiology and Immunology, University of Texas Medical Branch, Galveston, TX 77555, USA (A.N.P.)
- Galveston National Laboratory, University of Texas Medical Branch, Galveston, TX 77555, USA
| | - Natalie S. Dobias
- Department of Microbiology and Immunology, University of Texas Medical Branch, Galveston, TX 77555, USA (A.N.P.)
- Galveston National Laboratory, University of Texas Medical Branch, Galveston, TX 77555, USA
| | - Karla A. Fenton
- Department of Microbiology and Immunology, University of Texas Medical Branch, Galveston, TX 77555, USA (A.N.P.)
- Galveston National Laboratory, University of Texas Medical Branch, Galveston, TX 77555, USA
| | - Beth Strifler
- Eli Lilly and Company, Indianapolis, IN 46285, USA; (P.B.-A.); (S.B.)
| | - Philip Ebert
- Eli Lilly and Company, Indianapolis, IN 46285, USA; (P.B.-A.); (S.B.)
| | - Richard Higgs
- Eli Lilly and Company, Indianapolis, IN 46285, USA; (P.B.-A.); (S.B.)
| | - Anne Beall
- Immunity and Pathogenesis Program, Infectious and Inflammatory Disease Center, Sanford Burnham Prebys Medical Discovery Institute, 10901 North Torrey Pines Road, La Jolla, CA 92037, USA
| | - Sumit Chanda
- Department of Immunology and Microbiology, Scripps Research, La Jolla, CA 92037, USA
| | - Laura Riva
- Immunity and Pathogenesis Program, Infectious and Inflammatory Disease Center, Sanford Burnham Prebys Medical Discovery Institute, 10901 North Torrey Pines Road, La Jolla, CA 92037, USA
| | - Xin Yin
- Immunity and Pathogenesis Program, Infectious and Inflammatory Disease Center, Sanford Burnham Prebys Medical Discovery Institute, 10901 North Torrey Pines Road, La Jolla, CA 92037, USA
| | - Thomas W. Geisbert
- Department of Microbiology and Immunology, University of Texas Medical Branch, Galveston, TX 77555, USA (A.N.P.)
- Galveston National Laboratory, University of Texas Medical Branch, Galveston, TX 77555, USA
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13
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Melton A, Rowe LA, Penney T, Krzykwa C, Goff K, Scheuermann S, Melton HJ, Williams K, Golden N, Green KM, Smith B, Russell-Lodrigue K, Dufour JP, Doyle-Meyers LA, Schiro F, Aye PP, Lifson JD, Beddingfield BJ, Blair RV, Bohm RP, Kolls JK, Rappaport J, Hoxie JA, Maness NJ. The Impact of SIV-Induced Immunodeficiency on Clinical Manifestation, Immune Response, and Viral Dynamics in SARS-CoV-2 Coinfection. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2023:2023.11.15.567132. [PMID: 38014096 PMCID: PMC10680717 DOI: 10.1101/2023.11.15.567132] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/29/2023]
Abstract
Persistent and uncontrolled SARS-CoV-2 replication in immunocompromised individuals has been observed and may be a contributing source of novel viral variants that continue to drive the pandemic. Importantly, the effects of immunodeficiency associated with chronic HIV infection on COVID-19 disease and viral persistence have not been directly addressed in a controlled setting. Here we conducted a pilot study wherein two pigtail macaques (PTM) chronically infected with SIVmac239 were exposed to SARS-CoV-2 and monitored for six weeks for clinical disease, viral replication, and viral evolution, and compared to our previously published cohort of SIV-naïve PTM infected with SARS-CoV-2. At the time of SARS-CoV-2 infection, one PTM had minimal to no detectable CD4+ T cells in gut, blood, or bronchoalveolar lavage (BAL), while the other PTM harbored a small population of CD4+ T cells in all compartments. Clinical signs were not observed in either PTM; however, the more immunocompromised PTM exhibited a progressive increase in pulmonary infiltrating monocytes throughout SARS-CoV-2 infection. Single-cell RNA sequencing (scRNAseq) of the infiltrating monocytes revealed a less activated/inert phenotype. Neither SIV-infected PTM mounted detectable anti-SARS-CoV-2 T cell responses in blood or BAL, nor anti-SARS-CoV-2 neutralizing antibodies. Interestingly, despite the diminished cellular and humoral immune responses, SARS-CoV-2 viral kinetics and evolution were indistinguishable from SIV-naïve PTM in all sampled mucosal sites (nasal, oral, and rectal), with clearance of virus by 3-4 weeks post infection. SIV-induced immunodeficiency significantly impacted immune responses to SARS-CoV-2 but did not alter disease progression, viral kinetics or evolution in the PTM model. SIV-induced immunodeficiency alone may not be sufficient to drive the emergence of novel viral variants.
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Affiliation(s)
- Alexandra Melton
- Tulane National Primate Research Center, Covington, Louisiana
- Biomedical Science Training Program, Tulane University School of Medicine, New Orleans, Louisiana
| | - Lori A Rowe
- Tulane National Primate Research Center, Covington, Louisiana
| | - Toni Penney
- Tulane National Primate Research Center, Covington, Louisiana
| | - Clara Krzykwa
- Tulane National Primate Research Center, Covington, Louisiana
| | - Kelly Goff
- Tulane National Primate Research Center, Covington, Louisiana
| | | | - Hunter J Melton
- Florida State University, Department of Statistics, Tallahassee, Florida
| | - Kelsey Williams
- Tulane National Primate Research Center, Covington, Louisiana
| | - Nadia Golden
- Tulane National Primate Research Center, Covington, Louisiana
| | | | - Brandon Smith
- Tulane National Primate Research Center, Covington, Louisiana
| | - Kasi Russell-Lodrigue
- Tulane National Primate Research Center, Covington, Louisiana
- Department of Medicine, Tulane University School of Medicine, New Orleans, Louisiana
| | - Jason P Dufour
- Tulane National Primate Research Center, Covington, Louisiana
- Department of Medicine, Tulane University School of Medicine, New Orleans, Louisiana
| | - Lara A Doyle-Meyers
- Tulane National Primate Research Center, Covington, Louisiana
- Department of Medicine, Tulane University School of Medicine, New Orleans, Louisiana
| | - Faith Schiro
- Tulane National Primate Research Center, Covington, Louisiana
| | - Pyone P Aye
- Tulane National Primate Research Center, Covington, Louisiana
- Department of Medicine, Tulane University School of Medicine, New Orleans, Louisiana
| | - Jeffery D Lifson
- AIDS and Cancer Viruses Program, Frederick National Laboratory, Frederick, Maryland, United States of America
| | - Brandon J Beddingfield
- Tulane National Primate Research Center, Covington, Louisiana
- Department of Microbiology and Immunology, Tulane University School of Medicine, New Orleans, Louisiana
| | - Robert V Blair
- Tulane National Primate Research Center, Covington, Louisiana
| | - Rudolf P Bohm
- Tulane National Primate Research Center, Covington, Louisiana
- Department of Medicine, Tulane University School of Medicine, New Orleans, Louisiana
- Present address: Oregon National Primate Research Center, Oregon Health and Science University, Beaverton, Oregon
| | - Jay K Kolls
- Departments of Medicine and Pediatrics, Center for Translational Research in Infection and Inflammation, Tulane University School of Medicine, New Orleans, LA 70112, USA
- Department of Pulmonary Critical Care and Environmental Medicine, Tulane University School of Medicine, New Orleans, LA 70112, USA
| | - Jay Rappaport
- Tulane National Primate Research Center, Covington, Louisiana
- Department of Microbiology and Immunology, Tulane University School of Medicine, New Orleans, Louisiana
| | - James A Hoxie
- Perelman School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania
| | - Nicholas J Maness
- Tulane National Primate Research Center, Covington, Louisiana
- Department of Microbiology and Immunology, Tulane University School of Medicine, New Orleans, Louisiana
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14
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Hu Y, Liu Y, Zheng H, Liu L. Risk Factors for Long COVID in Older Adults. Biomedicines 2023; 11:3002. [PMID: 38002002 PMCID: PMC10669899 DOI: 10.3390/biomedicines11113002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/18/2023] [Revised: 11/05/2023] [Accepted: 11/07/2023] [Indexed: 11/26/2023] Open
Abstract
As time has passed following the COVID-19 pandemic, individuals infected with SARS-CoV-2 have gradually exhibited a variety of symptoms associated with long COVID in the postacute phase of infection. Simultaneously, in many countries worldwide, the process of population aging has been accelerating. Within this context, the elderly population has not only become susceptible and high-risk during the acute phase of COVID-19 but also has considerable risks when confronting long COVID. Elderly individuals possess specific immunological backgrounds, and during the process of aging, their immune systems can enter a state known as "immunosenescence". This further exacerbates "inflammaging" and the development of various comorbidities in elderly individuals, rendering them more susceptible to long COVID. Additionally, long COVID can inflict both physical and mental harm upon elderly people, thereby reducing their overall quality of life. Consequently, the impact of long COVID on elderly people should not be underestimated. This review seeks to summarize the infection characteristics and intrinsic factors of older adults during the COVID-19 pandemic, with a focus on the physical and mental impact of long COVID. Additionally, it aims to explore potential strategies to mitigate the risk of long COVID or other emerging infectious diseases among older adults in the future.
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Affiliation(s)
| | | | | | - Longding Liu
- Key Laboratory of Systemic Innovative Research on Virus Vaccines, Institute of Medical Biology, Chinese Academy of Medical Sciences and Peking Union Medical College, Kunming 650118, China; (Y.H.); (Y.L.); (H.Z.)
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15
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Li H, McLaurin KA, Mactutus CF, Rappaport J, Datta PK, Booze RM. SARS-CoV-2 RNA persists in the central nervous system of non-human primates despite clinical recovery. MOLECULAR BIOMEDICINE 2023; 4:39. [PMID: 37934362 PMCID: PMC10630293 DOI: 10.1186/s43556-023-00153-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2023] [Accepted: 10/30/2023] [Indexed: 11/08/2023] Open
Affiliation(s)
- Hailong Li
- Cognitive and Neural Science Program, Department of Psychology, University of South Carolina, Columbia, SC, 29208, USA
| | - Kristen A McLaurin
- Department of Pharmaceutical Sciences, College of Pharmacy, University of Kentucky, Lexington, KY, 40508, USA
| | - Charles F Mactutus
- Cognitive and Neural Science Program, Department of Psychology, University of South Carolina, Columbia, SC, 29208, USA
| | - Jay Rappaport
- Tulane National Primate Research Center, Covington, LA, 70433, USA
- Department of Microbiology and Immunology, Tulane University School of Medicine, Covington, LA, 70433, USA
| | - Prasun K Datta
- Tulane National Primate Research Center, Covington, LA, 70433, USA
- Department of Microbiology and Immunology, Tulane University School of Medicine, Covington, LA, 70433, USA
| | - Rosemarie M Booze
- Cognitive and Neural Science Program, Department of Psychology, University of South Carolina, Columbia, SC, 29208, USA.
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16
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Mabry ME, Fanelli A, Mavian C, Lorusso A, Manes C, Soltis PS, Capua I. The panzootic potential of SARS-CoV-2. Bioscience 2023; 73:814-829. [PMID: 38125826 PMCID: PMC10728779 DOI: 10.1093/biosci/biad102] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/18/2022] [Revised: 09/09/2023] [Accepted: 11/06/2023] [Indexed: 12/23/2023] Open
Abstract
Each year, SARS-CoV-2 is infecting an increasingly unprecedented number of species. In the present article, we combine mammalian phylogeny with the genetic characteristics of isolates found in mammals to elaborate on the host-range potential of SARS-CoV-2. Infections in nonhuman mammals mirror those of contemporary viral strains circulating in humans, although, in certain species, extensive viral circulation has led to unique genetic signatures. As in other recent studies, we found that the conservation of the ACE2 receptor cannot be considered the sole major determinant of susceptibility. However, we are able to identify major clades and families as candidates for increased surveillance. On the basis of our findings, we argue that the use of the term panzootic could be a more appropriate term than pandemic to describe the ongoing scenario. This term better captures the magnitude of the SARS-CoV-2 host range and would hopefully inspire inclusive policy actions, including systematic screenings, that could better support the management of this worldwide event.
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Affiliation(s)
- Makenzie E Mabry
- Florida Museum of Natural History, University of Florida, Gainesville, Florida, United States
| | - Angela Fanelli
- Department of Veterinary Medicine, University of Bari, Valenzano, Bari, Italy
| | - Carla Mavian
- Emerging Pathogens Institute and with the Department of Pathology, University of Florida, Gainesville, Florida, United States
| | - Alessio Lorusso
- Istituto Zooprofilattico Sperimentale dell'Abruzzo e del Molise G. Caporale, Teramo, Italy
| | - Costanza Manes
- Department of Wildlife Ecology and Conservation and with the One Health Center of Excellence, University of Florida, Gainesville, Florida, United States
| | - Pamela S Soltis
- Florida Museum of Natural History, University of Florida, Gainesville, Florida, United States
| | - Ilaria Capua
- One Health Center of Excellence, University of Florida, Gainesville, Florida, United States
- School of International Advanced Studies, Johns Hopkins University, Bologna, Italy
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17
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Li H, McLaurin KA, Mactutus CF, Rappaport J, Datta PK, Booze RM. SARS-CoV-2 RNA Persists in the Central Nervous System of Non-Human Primates Despite Clinical Recovery. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2023:2023.08.29.555368. [PMID: 37693534 PMCID: PMC10491216 DOI: 10.1101/2023.08.29.555368] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 09/12/2023]
Abstract
Adverse neurological and psychiatric outcomes, collectively termed the post-acute sequelae of SARS-CoV-2 infection (PASC), persist in adults clinically recovered from COVID-19. Effective therapeutic interventions are fundamental to reducing the burden of PASC, necessitating an investigation of the pathophysiology underlying the debilitating neurological symptoms associated with the condition. Herein, eight non-human primates (Wild-Caught African Green Monkeys, n =4; Indian Rhesus Macaques, n =4) were inoculated with the SARS-CoV-2 isolate USA-WA1/2020 by either small particle aerosol or via multiple routes. At necropsy, tissue from the olfactory epithelium and pyriform cortex/amygdala of SARS-CoV-2 infected non-human primates were collected for ribonucleic acid in situ hybridization (i.e., RNAscope). First, angiotensin-converting enzyme 2 (ACE2) and transmembrane serine protease 2 (TMPRSS2) mRNA are downregulated in the pyriform cortex/amygdala of non-human primates clinically recovered from SARS-CoV-2 inoculation relative to wildtype controls. Second, abundant SARS-CoV-2 mRNA was detected in clinically recovered non-human primates; mRNA which is predominantly harbored in pericytes. Collectively, examination of post-mortem pyriform cortex/amygdala brain tissue of non-human primates clinically recovered from SARS-CoV-2 infection revealed two early pathophysiological mechanisms potentially underlying PASC. Indeed, therapeutic interventions targeting the downregulation of ACE2, decreased expression of TMPRSS2, and/or persistent infection of pericytes in the central nervous system may effectively mitigate the debilitating symptoms of PASC.
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18
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Wei C, Datta PK, Siegerist F, Li J, Yashwanth S, Koh KH, Kriho NW, Ismail A, Luo S, Fischer T, Amber KT, Cimbaluk D, Landay A, Endlich N, Rappaport J, Hayek SS, Reiser J. SuPAR mediates viral response proteinuria by rapidly changing podocyte function. Nat Commun 2023; 14:4414. [PMID: 37479685 PMCID: PMC10362037 DOI: 10.1038/s41467-023-40165-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2023] [Accepted: 07/14/2023] [Indexed: 07/23/2023] Open
Abstract
Elevation in soluble urokinase receptor (suPAR) and proteinuria are common signs in patients with moderate to severe coronavirus disease 2019 (COVID-19). Here we characterize a new type of proteinuria originating as part of a viral response. Inoculation of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) causes increased suPAR levels and glomerulopathy in African green monkeys. Using an engineered mouse model with high suPAR expression, inhaled variants of SARS-CoV-2 spike S1 protein elicite proteinuria that could be blocked by either suPAR antibody or SARS-CoV-2 vaccination. In a cohort of 1991 COVID-19 patients, suPAR levels exhibit a stepwise association with proteinuria in non-Omicron, but not in Omicron infections, supporting our findings of biophysical and functional differences between variants of SARS-CoV-2 spike S1 protein and their binding to podocyte integrins. These insights are not limited to SARS-CoV-2 and define viral response proteinuria (VRP) as an innate immune mechanism and co-activation of podocyte integrins.
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Affiliation(s)
- Changli Wei
- Department of Medicine, Rush University Medical Center, Chicago, IL, USA.
| | - Prasun K Datta
- Tulane National Primate Research Center, Covington, LA, 70433, USA
| | - Florian Siegerist
- Department of Anatomy and Cell Biology, University Medicine Greifswald, 17487, Greifswald, Germany
- NIPOKA GmbH, 17489, Greifswald, Germany
| | - Jing Li
- Department of Medicine, Rush University Medical Center, Chicago, IL, USA
| | - Sudhini Yashwanth
- Department of Medicine, Rush University Medical Center, Chicago, IL, USA
| | - Kwi Hye Koh
- Morphic Therapeutic, Waltham, MA, 02451, USA
| | - Nicholas W Kriho
- Department of Pathology, Rush University Medical Center, Chicago, IL, USA
| | - Anis Ismail
- Division of Cardiology, Department of Internal Medicine, University of Michigan, Ann Arbor, MI, USA
| | - Shengyuan Luo
- Department of Medicine, Rush University Medical Center, Chicago, IL, USA
| | - Tracy Fischer
- Tulane National Primate Research Center, Covington, LA, 70433, USA
| | - Kyle T Amber
- Department of Medicine, Rush University Medical Center, Chicago, IL, USA
- Department of Dermatology, Rush University Medical Center, Chicago, IL, USA
| | - David Cimbaluk
- Department of Pathology, Rush University Medical Center, Chicago, IL, USA
| | - Alan Landay
- Department of Medicine, Rush University Medical Center, Chicago, IL, USA
| | - Nicole Endlich
- Department of Anatomy and Cell Biology, University Medicine Greifswald, 17487, Greifswald, Germany
- NIPOKA GmbH, 17489, Greifswald, Germany
| | - Jay Rappaport
- Tulane National Primate Research Center, Covington, LA, 70433, USA
| | - Salim S Hayek
- Division of Cardiology, Department of Internal Medicine, University of Michigan, Ann Arbor, MI, USA.
| | - Jochen Reiser
- Department of Medicine, Rush University Medical Center, Chicago, IL, USA.
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19
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Patel P, Nandi A, Verma SK, Kaushik N, Suar M, Choi EH, Kaushik NK. Zebrafish-based platform for emerging bio-contaminants and virus inactivation research. THE SCIENCE OF THE TOTAL ENVIRONMENT 2023; 872:162197. [PMID: 36781138 PMCID: PMC9922160 DOI: 10.1016/j.scitotenv.2023.162197] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/30/2022] [Revised: 01/23/2023] [Accepted: 02/08/2023] [Indexed: 05/27/2023]
Abstract
Emerging bio-contaminants such as viruses have affected health and environment settings of every country. Viruses are the minuscule entities resulting in severe contagious diseases like SARS, MERS, Ebola, and avian influenza. Recent epidemic like the SARS-CoV-2, the virus has undergone mutations strengthen them and allowing to escape from the remedies. Comprehensive knowledge of viruses is essential for the development of targeted therapeutic and vaccination treatments. Animal models mimicking human biology like non-human primates, rats, mice, and rabbits offer competitive advantage to assess risk of viral infections, chemical toxins, nanoparticles, and microbes. However, their economic maintenance has always been an issue. Furthermore, the redundancy of experimental results due to aforementioned aspects is also in examine. Hence, exploration for the alternative animal models is crucial for risk assessments. The current review examines zebrafish traits and explores the possibilities to monitor emerging bio-contaminants. Additionally, a comprehensive picture of the bio contaminant and virus particle invasion and abatement mechanisms in zebrafish and human cells is presented. Moreover, a zebrafish model to investigate the emerging viruses such as coronaviridae and poxviridae has been suggested.
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Affiliation(s)
- Paritosh Patel
- Plasma Bioscience Research Center, Department of Electrical and Biological Physics, Kwangwoon University, 01897 Seoul, South Korea
| | - Aditya Nandi
- School of Biotechnology, KIIT University, Bhubaneswar 751024, Odisha, India
| | - Suresh K Verma
- School of Biotechnology, KIIT University, Bhubaneswar 751024, Odisha, India; Condensed Matter Theory Group, Materials Theory Division, Department of Physics and Astronomy, Uppsala University, Box 516, SE-751 20 Uppsala, Sweden
| | - Neha Kaushik
- Department of Biotechnology, College of Engineering, The University of Suwon, 18323 Hwaseong, Republic of Korea
| | - Mrutyunjay Suar
- School of Biotechnology, KIIT University, Bhubaneswar 751024, Odisha, India
| | - Eun Ha Choi
- Plasma Bioscience Research Center, Department of Electrical and Biological Physics, Kwangwoon University, 01897 Seoul, South Korea.
| | - Nagendra Kumar Kaushik
- Plasma Bioscience Research Center, Department of Electrical and Biological Physics, Kwangwoon University, 01897 Seoul, South Korea.
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Maity S, Mayer MG, Shu Q, Linh H, Bao D, Blair RV, He Y, Lyon CJ, Hu TY, Fischer T, Fan J. Cerebrospinal Fluid Protein Markers Indicate Neuro-Damage in SARS-CoV-2-Infected Nonhuman Primates. Mol Cell Proteomics 2023; 22:100523. [PMID: 36870567 PMCID: PMC9981268 DOI: 10.1016/j.mcpro.2023.100523] [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: 07/13/2022] [Revised: 02/18/2023] [Accepted: 02/28/2023] [Indexed: 03/06/2023] Open
Abstract
Neurologic manifestations are among the most frequently reported complications of COVID-19. However, given the paucity of tissue samples and the highly infectious nature of the etiologic agent of COVID-19, we have limited information to understand the neuropathogenesis of COVID-19. Therefore, to better understand the impact of COVID-19 on the brain, we used mass-spectrometry-based proteomics with a data-independent acquisition mode to investigate cerebrospinal fluid (CSF) proteins collected from two different nonhuman primates, Rhesus Macaque and African Green Monkeys, for the neurologic effects of the infection. These monkeys exhibited minimal to mild pulmonary pathology but moderate to severe central nervous system (CNS) pathology. Our results indicated that CSF proteome changes after infection resolution corresponded with bronchial virus abundance during early infection and revealed substantial differences between the infected nonhuman primates and their age-matched uninfected controls, suggesting these differences could reflect altered secretion of CNS factors in response to SARS-CoV-2-induced neuropathology. We also observed the infected animals exhibited highly scattered data distributions compared to their corresponding controls indicating the heterogeneity of the CSF proteome change and the host response to the viral infection. Dysregulated CSF proteins were preferentially enriched in functional pathways associated with progressive neurodegenerative disorders, hemostasis, and innate immune responses that could influence neuroinflammatory responses following COVID-19. Mapping these dysregulated proteins to the Human Brain Protein Atlas found that they tended to be enriched in brain regions that exhibit more frequent injury following COVID-19. It, therefore, appears reasonable to speculate that such CSF protein changes could serve as signatures for neurologic injury, identify important regulatory pathways in this process, and potentially reveal therapeutic targets to prevent or attenuate the development of neurologic injuries following COVID-19.
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Affiliation(s)
- Sudipa Maity
- Center for Cellular and Molecular Diagnostics, Tulane University School of Medicine, New Orleans, Louisiana, USA; Department of Biochemistry and Molecular Biology, Tulane University School of Medicine, New Orleans, Louisiana, USA
| | - Meredith G Mayer
- Division of Comparative Pathology, National Primate Research Center, Covington, Louisiana, USA
| | - Qingbo Shu
- Center for Cellular and Molecular Diagnostics, Tulane University School of Medicine, New Orleans, Louisiana, USA; Department of Biochemistry and Molecular Biology, Tulane University School of Medicine, New Orleans, Louisiana, USA
| | - Hellmers Linh
- Division of Comparative Pathology, National Primate Research Center, Covington, Louisiana, USA
| | - Duran Bao
- Center for Cellular and Molecular Diagnostics, Tulane University School of Medicine, New Orleans, Louisiana, USA; Department of Biochemistry and Molecular Biology, Tulane University School of Medicine, New Orleans, Louisiana, USA
| | - Robert V Blair
- Division of Comparative Pathology, National Primate Research Center, Covington, Louisiana, USA
| | - Yanlin He
- Pennington Biomedical Research Center, Louisiana State University, Baton Rouge, Louisiana, USA
| | - Christopher J Lyon
- Center for Cellular and Molecular Diagnostics, Tulane University School of Medicine, New Orleans, Louisiana, USA; Department of Biochemistry and Molecular Biology, Tulane University School of Medicine, New Orleans, Louisiana, USA
| | - Tony Y Hu
- Center for Cellular and Molecular Diagnostics, Tulane University School of Medicine, New Orleans, Louisiana, USA; Department of Biochemistry and Molecular Biology, Tulane University School of Medicine, New Orleans, Louisiana, USA
| | - Tracy Fischer
- Division of Comparative Pathology, National Primate Research Center, Covington, Louisiana, USA; Department of Microbiology and Immunology, Tulane University School of Medicine, New Orleans, Louisiana, USA
| | - Jia Fan
- Center for Cellular and Molecular Diagnostics, Tulane University School of Medicine, New Orleans, Louisiana, USA; Department of Biochemistry and Molecular Biology, Tulane University School of Medicine, New Orleans, Louisiana, USA.
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21
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Gonzalez AA, Olsen EL, Killeen SZ, Blair RV, Seshan SV, Jaimes EA, Roy CJ, Prieto MC. Elevated soluble urokinase plasminogen activator receptor is associated with renal dysfunction in a Chlorocebus atheiops COVID-19 model. J Med Primatol 2023; 52:131-134. [PMID: 36377612 PMCID: PMC10023264 DOI: 10.1111/jmp.12626] [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: 09/06/2022] [Revised: 10/18/2022] [Accepted: 10/21/2022] [Indexed: 11/16/2022]
Abstract
Increases of soluble urokinase plasminogen activator receptor (suPAR) were measured in both urine and plasma of a Chlorocebus aethiops (African green monkey; AGM) mucosal infected with SARS-CoV-2. The data indicate that elevated suPAR may be associated with renal dysfunction and pathology in the context of COVID-19.
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Affiliation(s)
| | - Emily L. Olsen
- Department of Microbiology & Immunology, Tulane School of Medicine, New Orleans, LA, USA
- Tulane National Primate Research Center, Covington, LA, USA
| | | | | | - Surya V. Seshan
- Department of Pathology and Laboratory Medicine, Weill Cornell Medical College, New York, NY
| | - Edgar A. Jaimes
- Renal Service, Memorial Sloan Kettering Cancer Center, New York, NY, USA
| | - Chad J Roy
- Department of Microbiology & Immunology, Tulane School of Medicine, New Orleans, LA, USA
- Tulane National Primate Research Center, Covington, LA, USA
| | - Minolfa C. Prieto
- Department of Physiology and Tulane Renal Hypertension Center of Excellence, Tulane University School of Medicine, New Orleans, LA, USA
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22
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Kane Y, Wong G, Gao GF. Animal Models, Zoonotic Reservoirs, and Cross-Species Transmission of Emerging Human-Infecting Coronaviruses. Annu Rev Anim Biosci 2023; 11:1-31. [PMID: 36790890 DOI: 10.1146/annurev-animal-020420-025011] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/16/2023]
Abstract
Over the past three decades, coronavirus (CoV) diseases have impacted humans more than any other emerging infectious disease. The recent emergence of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), the causative agent of COVID-19 (coronavirus disease 2019), has resulted in huge economic disruptions and loss of human lives. The SARS-CoV-2 genome was found to mutate more rapidly due to sustained transmission in humans and potentially animals, resulting in variants of concern (VOCs) that threaten global human health. However, the primary difficulties are filling in the current knowledge gaps in terms of the origin and modalities of emergence for these viruses. Because many CoVs threatening human health are suspected to have a zoonotic origin, identifying the animal hosts implicated in the spillover or spillback events would be beneficial for current pandemic management and to prevent future outbreaks. In this review, wesummarize the animal models, zoonotic reservoirs, and cross-species transmission of the emerging human CoVs. Finally, we comment on potential sources of SARS-CoV-2 Omicron VOCs and the new SARS-CoV-2 recombinants currently under investigation.
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Affiliation(s)
- Yakhouba Kane
- Viral Hemorrhagic Fevers Research Unit, CAS Key Laboratory of Molecular Virology and Immunology, Institut Pasteur of Shanghai, Chinese Academy of Sciences, Shanghai, China; , .,University of Chinese Academy of Sciences, Beijing, China
| | - Gary Wong
- Viral Hemorrhagic Fevers Research Unit, CAS Key Laboratory of Molecular Virology and Immunology, Institut Pasteur of Shanghai, Chinese Academy of Sciences, Shanghai, China; ,
| | - George F Gao
- University of Chinese Academy of Sciences, Beijing, China.,CAS Key Laboratory of Pathogen Microbiology and Immunology, Institute of Microbiology, Chinese Academy of Sciences, Beijing, China; .,Chinese Center for Disease Control and Prevention, Beijing, China
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23
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Dillard JA, Martinez SA, Dearing JJ, Montgomery SA, Baxter AK. Animal Models for the Study of SARS-CoV-2-Induced Respiratory Disease and Pathology. Comp Med 2023; 73:72-90. [PMID: 36229170 PMCID: PMC9948904 DOI: 10.30802/aalas-cm-22-000089] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
Emergence of the betacoronavirus SARS-CoV-2 has resulted in a historic pandemic, with millions of deaths worldwide. An unprecedented effort has been made by the medical, scientific, and public health communities to rapidly develop and implement vaccines and therapeutics to prevent and reduce hospitalizations and deaths. Although SARS-CoV-2 infection can lead to disease in many organ systems, the respiratory system is its main target, with pneumonia and acute respiratory distress syndrome as the hallmark features of severe disease. The large number of patients who have contracted COVID-19 infections since 2019 has permitted a detailed characterization of the clinical and pathologic features of the disease in humans. However, continued progress in the development of effective preventatives and therapies requires a deeper understanding of the pathogenesis of infection. Studies using animal models are necessary to complement in vitro findings and human clinical data. Multiple animal species have been evaluated as potential models for studying the respiratory disease caused by SARSCoV-2 infection. Knowing the similarities and differences between animal and human responses to infection is critical for effective translation of animal data into human medicine. This review provides a detailed summary of the respiratory disease and associated pathology induced by SARS-CoV-2 infection in humans and compares them with the disease that develops in 3 commonly used models: NHP, hamsters, and mice. The effective use of animals to study SARS-CoV-2-induced respiratory disease will enhance our understanding of SARS-CoV-2 pathogenesis, allow the development of novel preventatives and therapeutics, and aid in the preparation for the next emerging virus with pandemic potential.
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Key Words
- ace2, angiotensin-converting enzyme 2
- agm, african green monkey
- ali, acute lung injury
- ards, acute respiratory distress syndrome
- balf, bronchoalveolar lavage fluid
- cards, covid-19-associated acute respiratory distress syndrome
- dad, diffuse alveolar damage
- dpi, days postinfection
- ggo, ground glass opacities
- s, spike glycoprotein
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Affiliation(s)
- Jacob A Dillard
- Department of Microbiology and Immunology, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina
| | - Sabian A Martinez
- Division of Comparative Medicine, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina
| | - Justin J Dearing
- Biological and Biomedical Sciences Program, Office of Graduate Education, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina
| | - Stephanie A Montgomery
- Division of Comparative Medicine, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina; Department of Pathology and Laboratory Medicine, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina
| | - Andvictoria K Baxter
- Division of Comparative Medicine, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina; Department of Pathology and Laboratory Medicine, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina;,
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24
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Nielsen SS, Alvarez J, Bicout DJ, Calistri P, Canali E, Drewe JA, Garin‐Bastuji B, Gonzales Rojas JL, Gortázar C, Herskin M, Michel V, Miranda Chueca MÁ, Padalino B, Pasquali P, Roberts HC, Spoolder H, Velarde A, Viltrop A, Winckler C, Adlhoch C, Aznar I, Baldinelli F, Boklund A, Broglia A, Gerhards N, Mur L, Nannapaneni P, Ståhl K. SARS-CoV-2 in animals: susceptibility of animal species, risk for animal and public health, monitoring, prevention and control. EFSA J 2023; 21:e07822. [PMID: 36860662 PMCID: PMC9968901 DOI: 10.2903/j.efsa.2023.7822] [Citation(s) in RCA: 9] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/03/2023] Open
Abstract
The epidemiological situation of SARS-CoV-2 in humans and animals is continually evolving. To date, animal species known to transmit SARS-CoV-2 are American mink, raccoon dog, cat, ferret, hamster, house mouse, Egyptian fruit bat, deer mouse and white-tailed deer. Among farmed animals, American mink have the highest likelihood to become infected from humans or animals and further transmit SARS-CoV-2. In the EU, 44 outbreaks were reported in 2021 in mink farms in seven MSs, while only six in 2022 in two MSs, thus representing a decreasing trend. The introduction of SARS-CoV-2 into mink farms is usually via infected humans; this can be controlled by systematically testing people entering farms and adequate biosecurity. The current most appropriate monitoring approach for mink is the outbreak confirmation based on suspicion, testing dead or clinically sick animals in case of increased mortality or positive farm personnel and the genomic surveillance of virus variants. The genomic analysis of SARS-CoV-2 showed mink-specific clusters with a potential to spill back into the human population. Among companion animals, cats, ferrets and hamsters are those at highest risk of SARS-CoV-2 infection, which most likely originates from an infected human, and which has no or very low impact on virus circulation in the human population. Among wild animals (including zoo animals), mostly carnivores, great apes and white-tailed deer have been reported to be naturally infected by SARS-CoV-2. In the EU, no cases of infected wildlife have been reported so far. Proper disposal of human waste is advised to reduce the risks of spill-over of SARS-CoV-2 to wildlife. Furthermore, contact with wildlife, especially if sick or dead, should be minimised. No specific monitoring for wildlife is recommended apart from testing hunter-harvested animals with clinical signs or found-dead. Bats should be monitored as a natural host of many coronaviruses.
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25
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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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26
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Intrinsic host susceptibility among multiple species to intranasal SARS-CoV-2 identifies diverse virological, biodistribution and pathological outcomes. Sci Rep 2022; 12:18694. [PMID: 36333445 PMCID: PMC9636276 DOI: 10.1038/s41598-022-23339-x] [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: 07/14/2022] [Accepted: 10/29/2022] [Indexed: 11/06/2022] Open
Abstract
SARS-CoV-2 exhibits a diverse host species range with variable outcomes, enabling differential host susceptibility studies to assess suitability for pre-clinical countermeasure and pathogenesis studies. Baseline virological, molecular and pathological outcomes were determined among multiple species-one Old World non-human primate (NHP) species (cynomolgus macaques), two New World NHP species (red-bellied tamarins; common marmosets) and Syrian hamsters-following single-dose, atraumatic intranasal administration of SARS-CoV-2/Victoria-01. After serial sacrifice 2, 10 and 28-days post-infection (dpi), hamsters and cynomolgus macaques displayed differential virus biodistribution across respiratory, gastrointestinal and cardiovascular systems. Uniquely, New World tamarins, unlike marmosets, exhibited high levels of acute upper airway infection, infectious virus recovery associated with mild lung pathology representing a host previously unrecognized as susceptible to SARS-CoV-2. Across all species, lung pathology was identified post-clearance of virus shedding (antigen/RNA), with an association of virus particles within replication organelles in lung sections analysed by electron microscopy. Disrupted cell ultrastructure and lung architecture, including abnormal morphology of mitochondria 10-28 dpi, represented on-going pathophysiological consequences of SARS-CoV-2 in predominantly asymptomatic hosts. Infection kinetics and host pathology comparators using standardized methodologies enables model selection to bridge differential outcomes within upper and lower respiratory tracts and elucidate longer-term consequences of asymptomatic SARS-CoV-2 infection.
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Hessami K, Aagaard KM, Castro EC, Arian SE, Nassr AA, Barrozo ER, Seferovic MD, Shamshirsaz AA. Placental Vascular and Inflammatory Findings from Pregnancies Diagnosed with Coronavirus Disease 2019: A Systematic Review and Meta-analysis. Am J Perinatol 2022; 39:1643-1653. [PMID: 35240710 DOI: 10.1055/a-1787-7933] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Abstract
We aimed to perform a meta-analysis of the literature concerning histopathologic findings in the placentas of women with SARS-CoV-2 (severe acute respiratory syndrome coronavirus 2) infection during pregnancy. Searches for articles in English included PubMed, Web of Science, Google Scholar, and reference lists (up to April 2021). Studies presenting data on placental histopathology according to the Amsterdam Consensus Group criteria in SARS-CoV-2 positive and negative pregnancies were identified. Lesions were categorized into: maternal and fetal vascular malperfusion (MVM and FVM, respectively), acute placental inflammation with maternal and fetal inflammatory response (MIR and FIR, respectively), chronic inflammatory lesions (CILs), and increased perivillous fibrin deposition (PVFD). A total of 15 studies reporting on 19,025 placentas, n = 699 of which were derived from women who were identified as being infected with SARS-CoV-2 and 18,326 as SARS-CoV-2-negative controls, were eligible for analysis. No significant difference in incidence of MVM (odds ratio [OR]: 1.18, 95% confidence interval [CI]: 0.73-1.90), FVM (OR: 1.23, 95% CI: 0.63-2.42), MIR (OR: 0.66, 95% CI: 0.29-1.52) or FIR (OR: 0.85, 95% CI: 0.44-1.63), and CILs (OR: 0.97, 95% CI: 0.55-1.72) was found between placentae from gravida identified as being SARS-CoV-2 infected. However, placenta from gravida identified as being infected with SARS-CoV-2 were associated with significantly increased occurrence of PVFD (OR: 2.77, 95% CI: 1.06-7.27). After subgroup analyses based on clinical severity of COVID-19 infection, no significant difference was observed in terms of reported placental pathology between symptomatic or asymptomatic SARS-CoV-2 gravidae placenta. Current evidence based on the available literature suggests that the only pathologic finding in the placentae of women who are pregnant identified as having been infected with SARS-CoV-2 was an increased prevalence of PVFD. KEY POINTS: · No association between SARS-CoV-2 and maternal or fetal placental malperfusion.. · No association between SARS-CoV-2 and maternal or fetal inflammatory response.. · SARS-CoV-2 is associated with increased perivillous fibrin deposition in placenta..
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Affiliation(s)
- Kamran Hessami
- Department of Obstetrics and Gynecology, Baylor College of Medicine, Texas Children's Hospital, Houston, Texas
| | - Kjersti M Aagaard
- Department of Obstetrics and Gynecology, Baylor College of Medicine, Texas Children's Hospital, Houston, Texas
| | - Eumenia C Castro
- Department of Pathology and Immunology, Baylor College of Medicine, Texas Children's Hospital, Houston, Texas
| | - Sara E Arian
- Department of Obstetrics and Gynecology, Baylor College of Medicine, Texas Children's Hospital, Houston, Texas
| | - Ahmed A Nassr
- Department of Obstetrics and Gynecology, Baylor College of Medicine, Texas Children's Hospital, Houston, Texas
| | - Enrico R Barrozo
- Department of Obstetrics and Gynecology, Baylor College of Medicine, Texas Children's Hospital, Houston, Texas
| | - Maxim D Seferovic
- Department of Obstetrics and Gynecology, Baylor College of Medicine, Texas Children's Hospital, Houston, Texas
| | - Alireza A Shamshirsaz
- Department of Obstetrics and Gynecology, Baylor College of Medicine, Texas Children's Hospital, Houston, Texas
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Sun R, Zhao Z, Fu C, Wang Y, Guo Z, Zhang C, Liu L, Zhang C, Shu C, He J, Yang Y, Hua S, Gao Y, Hu Z. Humanized mice for investigating SARS-CoV-2 lung infection and associated human immune responses. Eur J Immunol 2022; 52:1640-1647. [PMID: 35976660 PMCID: PMC9538419 DOI: 10.1002/eji.202249804] [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: 01/10/2022] [Revised: 06/23/2022] [Accepted: 08/08/2022] [Indexed: 12/14/2022]
Abstract
There is an urgent need for animal models of coronavirus disease 2019 to study immunopathogenesis and test therapeutic intervenes. In this study, we showed that NOD/SCID IL2rg-/- (NSG) mice engrafted with human lung (HL) tissue (NSG-L mice) could be infected efficiently by severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), and that live virus capable of infecting Vero cells was found in the HL grafts and multiple organs from infected NSG-L mice. RNA-Sequencing identified a series of differentially expressed genes, which are enriched in viral defense responses, chemotaxis, IFN stimulation and pulmonary fibrosis, between HL grafts from infected and control NSG-L mice. Furthermore, when infected with SARS-CoV-2, humanized mice with both human immune system (HIS) and autologous HL grafts (HISL mice) had bodyweight loss and hemorrhage and immune cell infiltration in HL grafts, which were not observed in immunodeficient NSG-L mice, indicating the development of anti-viral immune responses in these mice. In support of this possibility, the infected HISL mice showed bodyweight recovery and lack of detectable live virus at the later time. These results demonstrate that NSG-L and HISL mice are susceptible to SARS-CoV-2 infection, offering a useful in vivo model for studying SARS-CoV-2 infection and the associated immune response and immunopathology, and testing anti-SARS-CoV-2 therapies.
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Affiliation(s)
- Renren Sun
- Key Laboratory of Organ Regeneration & Transplantation of Ministry of Educationand National‐Local Joint Engineering Laboratory of Animal Models for Human DiseasesThe First Hospital of Jilin UniversityChangchunChina
| | - Zongzheng Zhao
- Changchun Veterinary Research InstituteChinese Academy of Agricultural SciencesChangchunChina
| | - Cong Fu
- Key Laboratory of Organ Regeneration & Transplantation of Ministry of Educationand National‐Local Joint Engineering Laboratory of Animal Models for Human DiseasesThe First Hospital of Jilin UniversityChangchunChina
| | - Yixin Wang
- Key Laboratory of Organ Regeneration & Transplantation of Ministry of Educationand National‐Local Joint Engineering Laboratory of Animal Models for Human DiseasesThe First Hospital of Jilin UniversityChangchunChina,Department of RespirationThe First Hospital of Jilin UniversityChangchunChina
| | - Zhendong Guo
- Changchun Veterinary Research InstituteChinese Academy of Agricultural SciencesChangchunChina
| | - Chunmao Zhang
- Changchun Veterinary Research InstituteChinese Academy of Agricultural SciencesChangchunChina
| | - Lina Liu
- College of Veterinary MedicineJilin UniversityChangchunChina
| | - Cheng Zhang
- College of Veterinary MedicineHebei Agricultural UniversityBaodingChina
| | - Chang Shu
- Key Laboratory of Organ Regeneration & Transplantation of Ministry of Educationand National‐Local Joint Engineering Laboratory of Animal Models for Human DiseasesThe First Hospital of Jilin UniversityChangchunChina
| | - Jin He
- Key Laboratory of Organ Regeneration & Transplantation of Ministry of Educationand National‐Local Joint Engineering Laboratory of Animal Models for Human DiseasesThe First Hospital of Jilin UniversityChangchunChina
| | - Yong‐Guang Yang
- Key Laboratory of Organ Regeneration & Transplantation of Ministry of Educationand National‐Local Joint Engineering Laboratory of Animal Models for Human DiseasesThe First Hospital of Jilin UniversityChangchunChina
| | - Shucheng Hua
- Key Laboratory of Organ Regeneration & Transplantation of Ministry of Educationand National‐Local Joint Engineering Laboratory of Animal Models for Human DiseasesThe First Hospital of Jilin UniversityChangchunChina,Department of RespirationThe First Hospital of Jilin UniversityChangchunChina
| | - Yuwei Gao
- Changchun Veterinary Research InstituteChinese Academy of Agricultural SciencesChangchunChina
| | - Zheng Hu
- Key Laboratory of Organ Regeneration & Transplantation of Ministry of Educationand National‐Local Joint Engineering Laboratory of Animal Models for Human DiseasesThe First Hospital of Jilin UniversityChangchunChina
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29
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Jansen EB, Orvold SN, Swan CL, Yourkowski A, Thivierge BM, Francis ME, Ge A, Rioux M, Darbellay J, Howland JG, Kelvin AA. After the virus has cleared-Can preclinical models be employed for Long COVID research? PLoS Pathog 2022; 18:e1010741. [PMID: 36070309 PMCID: PMC9451097 DOI: 10.1371/journal.ppat.1010741] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
Severe Acute Respiratory Syndrome Coronavirus (SARS-CoV-2) can cause the life-threatening acute respiratory disease called COVID-19 (Coronavirus Disease 2019) as well as debilitating multiorgan dysfunction that persists after the initial viral phase has resolved. Long COVID or Post-Acute Sequelae of COVID-19 (PASC) is manifested by a variety of symptoms, including fatigue, dyspnea, arthralgia, myalgia, heart palpitations, and memory issues sometimes affecting between 30% and 75% of recovering COVID-19 patients. However, little is known about the mechanisms causing Long COVID and there are no widely accepted treatments or therapeutics. After introducing the clinical aspects of acute COVID-19 and Long COVID in humans, we summarize the work in animals (mice, Syrian hamsters, ferrets, and nonhuman primates (NHPs)) to model human COVID-19. The virology, pathology, immune responses, and multiorgan involvement are explored. Additionally, any studies investigating time points longer than 14 days post infection (pi) are highlighted for insight into possible long-term disease characteristics. Finally, we discuss how the models can be leveraged for treatment evaluation, including pharmacological agents that are currently in human clinical trials for treating Long COVID. The establishment of a recognized Long COVID preclinical model representing the human condition would allow the identification of mechanisms causing disease as well as serve as a vehicle for evaluating potential therapeutics.
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Affiliation(s)
- Ethan B. Jansen
- Vaccine and Infectious Disease Organization VIDO, University of Saskatchewan, Saskatoon, Saskatchewan, Canada
- Department of Biochemistry, Microbiology, and Immunology, University of Saskatchewan, Saskatoon, Saskatchewan, Canada
| | - Spencer N. Orvold
- Department of Anatomy, Physiology, and Pharmacology, University of Saskatchewan, Saskatoon, Saskatchewan, Canada
| | - Cynthia L. Swan
- Vaccine and Infectious Disease Organization VIDO, University of Saskatchewan, Saskatoon, Saskatchewan, Canada
| | - Anthony Yourkowski
- Vaccine and Infectious Disease Organization VIDO, University of Saskatchewan, Saskatoon, Saskatchewan, Canada
- Department of Biochemistry, Microbiology, and Immunology, University of Saskatchewan, Saskatoon, Saskatchewan, Canada
| | - Brittany M. Thivierge
- Vaccine and Infectious Disease Organization VIDO, University of Saskatchewan, Saskatoon, Saskatchewan, Canada
| | - Magen E. Francis
- Vaccine and Infectious Disease Organization VIDO, University of Saskatchewan, Saskatoon, Saskatchewan, Canada
- Department of Biochemistry, Microbiology, and Immunology, University of Saskatchewan, Saskatoon, Saskatchewan, Canada
| | - Anni Ge
- Department of Microbiology and Immunology, Faculty of Medicine, Dalhousie University, Halifax, Nova Scotia, Canada
| | - Melissa Rioux
- Department of Microbiology and Immunology, Faculty of Medicine, Dalhousie University, Halifax, Nova Scotia, Canada
| | - Joseph Darbellay
- Vaccine and Infectious Disease Organization VIDO, University of Saskatchewan, Saskatoon, Saskatchewan, Canada
| | - John G. Howland
- Department of Anatomy, Physiology, and Pharmacology, University of Saskatchewan, Saskatoon, Saskatchewan, Canada
| | - Alyson A. Kelvin
- Vaccine and Infectious Disease Organization VIDO, University of Saskatchewan, Saskatoon, Saskatchewan, Canada
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Islam A, Ferdous J, Islam S, Sayeed MA, Rahman MK, Saha O, Hassan MM, Shirin T. Transmission dynamics and susceptibility patterns of SARS-CoV-2 in domestic, farmed and wild animals: Sustainable One Health surveillance for conservation and public health to prevent future epidemics and pandemics. Transbound Emerg Dis 2022; 69:2523-2543. [PMID: 34694705 PMCID: PMC8662162 DOI: 10.1111/tbed.14356] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2021] [Revised: 10/14/2021] [Accepted: 10/17/2021] [Indexed: 12/11/2022]
Abstract
The exact origin of Severe Acute Respiratory Syndrome Coronavirus 2 (SARS-CoV-2) and source of introduction into humans has not been established yet, though it might be originated from animals. Therefore, we conducted a study to understand the putative reservoirs, transmission dynamics, and susceptibility patterns of SARS-CoV-2 in animals. Rhinolophus bats are presumed to be natural progenitors of SARS-CoV-2-related viruses. Initially, pangolin was thought to be the source of spillover to humans, but they might be infected by human or other animal species. So, the virus spillover pathways to humans remain unknown. Human-to-animal transmission has been testified in pet, farmed, zoo and free-ranging wild animals. Infected animals can transmit the virus to other animals in natural settings like mink-to-mink and mink-to-cat transmission. Animal-to-human transmission is not a persistent pathway, while mink-to-human transmission continues to be illuminated. Multiple companions and captive wild animals were infected by an emerging alpha variant of concern (B.1.1.7 lineage) whereas Asiatic lions were infected by delta variant, (B.1.617.2). To date, multiple animal species - cat, ferrets, non-human primates, hamsters and bats - showed high susceptibility to SARS-CoV-2 in the experimental condition, while swine, poultry, cattle showed no susceptibility. The founding of SARS-CoV-2 in wild animal reservoirs can confront the control of the virus in humans and might carry a risk to the welfare and conservation of wildlife as well. We suggest vaccinating pets and captive animals to stop spillovers and spillback events. We recommend sustainable One Health surveillance at the animal-human-environmental interface to detect and prevent future epidemics and pandemics by Disease X.
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Affiliation(s)
- Ariful Islam
- EcoHealth AllianceNew YorkUnited States
- Centre for Integrative Ecology, School of Life and Environmental ScienceDeakin UniversityVictoriaAustralia
- Institute of EpidemiologyDisease Control and Research (IEDCR)DhakaBangladesh
| | - Jinnat Ferdous
- EcoHealth AllianceNew YorkUnited States
- Institute of EpidemiologyDisease Control and Research (IEDCR)DhakaBangladesh
| | - Shariful Islam
- EcoHealth AllianceNew YorkUnited States
- Institute of EpidemiologyDisease Control and Research (IEDCR)DhakaBangladesh
| | - Md. Abu Sayeed
- EcoHealth AllianceNew YorkUnited States
- Institute of EpidemiologyDisease Control and Research (IEDCR)DhakaBangladesh
| | - Md. Kaisar Rahman
- EcoHealth AllianceNew YorkUnited States
- Institute of EpidemiologyDisease Control and Research (IEDCR)DhakaBangladesh
| | - Otun Saha
- EcoHealth AllianceNew YorkUnited States
- Institute of EpidemiologyDisease Control and Research (IEDCR)DhakaBangladesh
- Department of MicrobiologyUniversity of DhakaDhakaBangladesh
| | - Mohammad Mahmudul Hassan
- Faculty of Veterinary MedicineChattogram Veterinary and Animal Sciences UniversityChattogramBangladesh
| | - Tahmina Shirin
- Institute of EpidemiologyDisease Control and Research (IEDCR)DhakaBangladesh
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Brosseau LM, Escandón K, Ulrich AK, Rasmussen AL, Roy CJ, Bix GJ, Popescu SV, Moore KA, Osterholm MT. Severe Acute Respiratory Syndrome Coronavirus 2 (SARS-CoV-2) Dose, Infection, and Disease Outcomes for Coronavirus Disease 2019 (COVID-19): A Review. Clin Infect Dis 2022; 75:e1195-e1201. [PMID: 34651164 PMCID: PMC8524637 DOI: 10.1093/cid/ciab903] [Citation(s) in RCA: 10] [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: 07/21/2021] [Indexed: 01/19/2023] Open
Abstract
The relationship between severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) dose, infection, and coronavirus disease 2019 (COVID-19) outcomes remains poorly understood. This review summarizes the existing literature regarding this issue, identifies gaps in current knowledge, and suggests opportunities for future research. In humans, host characteristics, including age, sex, comorbidities, smoking, and pregnancy, are associated with severe COVID-19. Similarly, in animals, host factors are strong determinants of disease severity, although most animal infection models manifest clinically with mild to moderate respiratory disease. The influence of variants of concern as it relates to infectious dose, consequence of overall pathogenicity, and disease outcome in dose-response remains unknown. Epidemiologic data suggest a dose-response relationship for infection contrasting with limited and inconsistent surrogate-based evidence between dose and disease severity. Recommendations include the design of future infection studies in animal models to investigate inoculating dose on outcomes and the use of better proxies for dose in human epidemiology studies.
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Affiliation(s)
- Lisa M Brosseau
- Center for Infectious Disease Research and Policy, University of Minnesota, Minneapolis, Minnesota, USA
| | - Kevin Escandón
- School of Medicine, Universidad del Valle, Cali, Colombia
- Grupo de Investigación en Virus Emergentes y Enfermedad (VIREM), Department of Microbiology, Universidad del Valle, Cali, Colombia
| | - Angela K Ulrich
- Center for Infectious Disease Research and Policy, University of Minnesota, Minneapolis, Minnesota, USA
- Division of Environmental Health Sciences, School of Public Health, University of Minnesota, Minneapolis, Minnesota, USA
| | - Angela L Rasmussen
- Vaccine and Infectious Disease Organization, University of Saskatchewan, Saskatoon, Saskatchewan, Canada
- Georgetown Center for Global Health Science and Security, Washington, D.C., USA
| | - Chad J Roy
- Tulane National Primate Research Center, Division of Microbiology, Covington, Louisiana, USA
- Department of Microbiology and Immunology, Tulane University School of Medicine, New Orleans, Louisiana, USA
| | - Gregory J Bix
- Clinical Neuroscience Research Center, Departments of Neurosurgery and Neurology, Tulane University School of Medicine, New Orleans, Louisiana, USA
- Tulane Brain Institute, Tulane University, New Orleans, Louisiana, USA
- School of Public Health and Tropical Medicine, Tulane University, New Orleans, Louisiana, USAand
| | - Saskia V Popescu
- Georgetown Center for Global Health Science and Security, Washington, D.C., USA
- Biodefense Program, Schar School of Policy and Government, George Mason University, Arlington, Virginia, USA
| | - Kristine A Moore
- Center for Infectious Disease Research and Policy, University of Minnesota, Minneapolis, Minnesota, USA
| | - Michael T Osterholm
- Center for Infectious Disease Research and Policy, University of Minnesota, Minneapolis, Minnesota, USA
- Division of Environmental Health Sciences, School of Public Health, University of Minnesota, Minneapolis, Minnesota, USA
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Gao L, Xiao C, Cheng T, Wang Z, Xia W. Cellular Imaging Analysis Algorithm-Based Assessment and Prediction of Disease in Patients with Acute Lung Injury. CONTRAST MEDIA & MOLECULAR IMAGING 2022; 2022:3193671. [PMID: 36051925 PMCID: PMC9424040 DOI: 10.1155/2022/3193671] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/10/2022] [Revised: 07/12/2022] [Accepted: 08/01/2022] [Indexed: 11/18/2022]
Abstract
This paper uses cellular imaging analysis algorithms to assess and predict the condition of patients with acute lung injury. Given the unique optical properties of UCNPs, this paper designs a ratiometric upconversion fluorescent nanoprobe for the determination of nitric oxide (NO) content in living cells and tissues. To address the image degradation phenomenon of optical sections, this paper uses a blind deconvolution method to abate the degradation effect caused by the scattered focus surface, thus completing the image recovery. After that, grayscale and binarization are performed using the weighted average method and the Otsu method. In this paper, we propose a migration learning-based Resnet-50 network for the triple classification of unlabeled leukocytes based on the characteristics of cell images acquired by a miniaturized label-free microfluidic cell imaging detection device. The migration learning can rapidly optimize the network parameters, the short connection structure of Resnet-50 is more suitable for feature extraction of unlabeled leukocytes than the InceptionV3 model without a short connection structure, and the accuracy of the Resnet-50 network can reach 94% in the test set. In this paper, we propose two tracking algorithms based on the dynamic Gaussian mixture model and mathematical morphology-based algorithms suitable for cells of different shapes for cell tracking in microscopic images, neuronal cell labeling in fluorescent images, and cell segmentation in mice. These methods have the advantages of low cost, speed, reproducibility, and objectivity, and we hope that their elicitation will be useful for relevant cell biology research.
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Affiliation(s)
- Liang Gao
- Department of Urology, Jiangxi Provincial People's Hospital, The First Affiliated Hospital of Nanchang Medical College, Nanchang 330000, China
| | - Chengwang Xiao
- The Third Department of Internal Medicine, Wannian Hospital of Traditional Chinese Medicine, Shangrao 335500, China
| | - Taoyi Cheng
- Department of Critical Medicine, Wannian Hospital of Traditional Chinese Medicine, Shangrao 335500, China
| | - Zhaohan Wang
- Department of Gastroenterology, Jiangxi Provincial People's Hospital, The First Affiliated Hospital of Nanchang Medical College, Nanchang 330000, China
| | - Wenhan Xia
- Department of Critical Medicine, Jiangxi Provincial People's Hospital, The First Affiliated Hospital of Nanchang Medical College, Nanchang 330000, China
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Pandrea I, Brooks K, Desai RP, Tare M, Brenchley JM, Apetrei C. I’ve looked at gut from both sides now: Gastrointestinal tract involvement in the pathogenesis of SARS-CoV-2 and HIV/SIV infections. Front Immunol 2022; 13:899559. [PMID: 36032119 PMCID: PMC9411647 DOI: 10.3389/fimmu.2022.899559] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2022] [Accepted: 07/25/2022] [Indexed: 01/08/2023] Open
Abstract
The lumen of the gastrointestinal (GI) tract contains an incredibly diverse and extensive collection of microorganisms that can directly stimulate the immune system. There are significant data to demonstrate that the spatial localization of the microbiome can impact viral disease pathogenesis. Here we discuss recent studies that have investigated causes and consequences of GI tract pathologies in HIV, SIV, and SARS-CoV-2 infections with HIV and SIV initiating GI pathology from the basal side and SARS-CoV-2 from the luminal side. Both these infections result in alterations of the intestinal barrier, leading to microbial translocation, persistent inflammation, and T-cell immune activation. GI tract damage is one of the major contributors to multisystem inflammatory syndrome in SARS-CoV-2-infected individuals and to the incomplete immune restoration in HIV-infected subjects, even in those with robust viral control with antiretroviral therapy. While the causes of GI tract pathologies differ between these virus families, therapeutic interventions to reduce microbial translocation-induced inflammation and improve the integrity of the GI tract may improve the prognoses of infected individuals.
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Affiliation(s)
- Ivona Pandrea
- Department of Pathology, School of Medicine, University of Pittsburgh, Pittsburgh, PA, United States
- Department of Infectious Diseases and Microbiology, Graduate School of Public Health, University of Pittsburgh, Pittsburgh, PA, United States
| | - Kelsie Brooks
- Barrier Immunity Section, Laboratory of Viral Diseases, Division of Intramural Research, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, MD, United States
| | - Rahul P. Desai
- Department of Pathology, School of Medicine, University of Pittsburgh, Pittsburgh, PA, United States
- Division of Infectious Diseases, Department of Medicine, School of Medicine, University of Pittsburgh, Pittsburgh, PA, United States
| | - Minali Tare
- Department of Pathology, School of Medicine, University of Pittsburgh, Pittsburgh, PA, United States
- Division of Infectious Diseases, Department of Medicine, School of Medicine, University of Pittsburgh, Pittsburgh, PA, United States
| | - Jason M. Brenchley
- Barrier Immunity Section, Laboratory of Viral Diseases, Division of Intramural Research, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, MD, United States
| | - Cristian Apetrei
- Department of Infectious Diseases and Microbiology, Graduate School of Public Health, University of Pittsburgh, Pittsburgh, PA, United States
- Division of Infectious Diseases, Department of Medicine, School of Medicine, University of Pittsburgh, Pittsburgh, PA, United States
- *Correspondence: Cristian Apetrei,
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Bestion E, Halfon P, Mezouar S, Mège JL. Cell and Animal Models for SARS-CoV-2 Research. Viruses 2022; 14:1507. [PMID: 35891487 PMCID: PMC9319816 DOI: 10.3390/v14071507] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2022] [Revised: 06/29/2022] [Accepted: 07/05/2022] [Indexed: 02/04/2023] Open
Abstract
During the last two years following the severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) pandemic, development of potent antiviral drugs and vaccines has been a global health priority. In this context, the understanding of virus pathophysiology, the identification of associated therapeutic targets, and the screening of potential effective compounds have been indispensable advancements. It was therefore of primary importance to develop experimental models that recapitulate the aspects of the human disease in the best way possible. This article reviews the information concerning available SARS-CoV-2 preclinical models during that time, including cell-based approaches and animal models. We discuss their evolution, their advantages, and drawbacks, as well as their relevance to drug effectiveness evaluation.
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Affiliation(s)
- Eloïne Bestion
- Microbe Evolution Phylogeny Infection, Institut pour la Recherche et le Developpement, Assistance Publique Hopitaux de Marseille, Aix-Marseille University, 13005 Marseille, France; (E.B.); (P.H.)
- Institue Hospitalo, Universitaire Mediterranée Infection, 13005 Marseille, France
- Genoscience Pharma, 13005 Marseille, France
| | - Philippe Halfon
- Microbe Evolution Phylogeny Infection, Institut pour la Recherche et le Developpement, Assistance Publique Hopitaux de Marseille, Aix-Marseille University, 13005 Marseille, France; (E.B.); (P.H.)
- Institue Hospitalo, Universitaire Mediterranée Infection, 13005 Marseille, France
- Genoscience Pharma, 13005 Marseille, France
| | - Soraya Mezouar
- Microbe Evolution Phylogeny Infection, Institut pour la Recherche et le Developpement, Assistance Publique Hopitaux de Marseille, Aix-Marseille University, 13005 Marseille, France; (E.B.); (P.H.)
- Institue Hospitalo, Universitaire Mediterranée Infection, 13005 Marseille, France
- Genoscience Pharma, 13005 Marseille, France
| | - Jean-Louis Mège
- Microbe Evolution Phylogeny Infection, Institut pour la Recherche et le Developpement, Assistance Publique Hopitaux de Marseille, Aix-Marseille University, 13005 Marseille, France; (E.B.); (P.H.)
- Institue Hospitalo, Universitaire Mediterranée Infection, 13005 Marseille, France
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Fan C, Wu Y, Rui X, Yang Y, Ling C, Liu S, Liu S, Wang Y. Animal models for COVID-19: advances, gaps and perspectives. Signal Transduct Target Ther 2022; 7:220. [PMID: 35798699 PMCID: PMC9261903 DOI: 10.1038/s41392-022-01087-8] [Citation(s) in RCA: 24] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2022] [Revised: 06/20/2022] [Accepted: 06/27/2022] [Indexed: 01/08/2023] Open
Abstract
COVID-19, caused by SARS-CoV-2, is the most consequential pandemic of this century. Since the outbreak in late 2019, animal models have been playing crucial roles in aiding the rapid development of vaccines/drugs for prevention and therapy, as well as understanding the pathogenesis of SARS-CoV-2 infection and immune responses of hosts. However, the current animal models have some deficits and there is an urgent need for novel models to evaluate the virulence of variants of concerns (VOC), antibody-dependent enhancement (ADE), and various comorbidities of COVID-19. This review summarizes the clinical features of COVID-19 in different populations, and the characteristics of the major animal models of SARS-CoV-2, including those naturally susceptible animals, such as non-human primates, Syrian hamster, ferret, minks, poultry, livestock, and mouse models sensitized by genetically modified, AAV/adenoviral transduced, mouse-adapted strain of SARS-CoV-2, and by engraftment of human tissues or cells. Since understanding the host receptors and proteases is essential for designing advanced genetically modified animal models, successful studies on receptors and proteases are also reviewed. Several improved alternatives for future mouse models are proposed, including the reselection of alternative receptor genes or multiple gene combinations, the use of transgenic or knock-in method, and different strains for establishing the next generation of genetically modified mice.
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Affiliation(s)
- Changfa Fan
- Division of Animal Model Research, Institute for Laboratory Animal Resources, National Institutes for Food and Drug Control (NIFDC), National Rodent Laboratory Animal Resources Center, Beijing, 102629, China
| | - Yong Wu
- Division of Animal Model Research, Institute for Laboratory Animal Resources, National Institutes for Food and Drug Control (NIFDC), National Rodent Laboratory Animal Resources Center, Beijing, 102629, China
| | - Xiong Rui
- Division of Animal Model Research, Institute for Laboratory Animal Resources, National Institutes for Food and Drug Control (NIFDC), National Rodent Laboratory Animal Resources Center, Beijing, 102629, China
- Department of Microbiology & Infectious Disease Center, School of Basic Medical Sciences, Peking University Health Science Center, Beijing, 100083, China
| | - Yuansong Yang
- Division of Animal Model Research, Institute for Laboratory Animal Resources, National Institutes for Food and Drug Control (NIFDC), National Rodent Laboratory Animal Resources Center, Beijing, 102629, China
| | - Chen Ling
- Division of Animal Model Research, Institute for Laboratory Animal Resources, National Institutes for Food and Drug Control (NIFDC), National Rodent Laboratory Animal Resources Center, Beijing, 102629, China
- College of Life Sciences, Northwest University; Provincial Key Laboratory of Biotechnology of Shaanxi Province, Northwest University, Xi'an, 710069, China
| | - Susu Liu
- Division of Animal Model Research, Institute for Laboratory Animal Resources, National Institutes for Food and Drug Control (NIFDC), National Rodent Laboratory Animal Resources Center, Beijing, 102629, China
| | - Shunan Liu
- Division of Animal Model Research, Institute for Laboratory Animal Resources, National Institutes for Food and Drug Control (NIFDC), National Rodent Laboratory Animal Resources Center, Beijing, 102629, China
| | - Youchun Wang
- Division of HIV/AIDS and Sexually Transmitted Virus Vaccines, Institute for Biological Product Control, National Institutes for Food and Drug Control (NIFDC), Beijing, China.
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Gallagher CA, Hervé-Claude LP, Cruz-Martinez L, Stephen C. Understanding Community Perceptions of the St. Kitts’ “Monkey Problem” by Adapting Harm Reduction Concepts and Methods. Front Ecol Evol 2022. [DOI: 10.3389/fevo.2022.904797] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
Wicked problems in One Health are associated with dynamicity and uncertainty that require experts, authorities and community members to reach for innovative means of collective inquiry, and collaborative interventions to address the deep social issues at the root of interspecies problems. In this study we explore the value of harm reduction concepts to understand a hundreds of year old issue, the St. Kitts’ “monkey problem,” which involves the invasive African green monkey (Chlorocebus sabaeus) as the cause of deleterious effects on agriculture, but concurrent positive effects on tourism and biomedical research. The harm reduction approach, a systems and settings-based approach with decades of success in public health, can serve as a framework to produce action on persistent societal problems. Harm reduction concepts and methods and participatory epidemiology were used to uncover local perceptions about human-monkey interactions and “meet people where they are” by asking the research question: Are there commonalities in perceptions and values linked to the St. Kitts’ “monkey problem” that are shared across diverse representatives of society that can act as a common starting place to launch collaborative responses to this invasive species? Through a series of focus group activities and interviews we found that the Kittitian “monkey problem” is a contentious and dichotomous problem pervasive in most of society that has no single stakeholders nor one solution. Harm reduction helped to map the island’s human-monkey system and elucidated an entry point toward tackling this problem through the identification of shared values, and also provided a model for incremental gains that may be achieved. Likening the St. Kitts “monkey problem” to a wicked problem enabled stakeholders to seek more options to manage the problem rather than to conclusively solve it. Frequently mentioned shared values including the protection of farmer crops and backyard harvests likely represent strong entry points to this problem and a jumping-off point to begin collective action toward future improvements.
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Fears AC, Beddingfield BJ, Chirichella NR, Slisarenko N, Killeen SZ, Redmann RK, Goff K, Spencer S, Picou B, Golden N, Midkiff CC, Bush DJ, Branco LM, Boisen ML, Gao H, Montefiori DC, Blair RV, Doyle-Meyers LA, Russell-Lodrigue K, Maness NJ, Roy CJ. Exposure modality influences viral kinetics but not respiratory outcome of COVID-19 in multiple nonhuman primate species. PLoS Pathog 2022; 18:e1010618. [PMID: 35789343 PMCID: PMC9286241 DOI: 10.1371/journal.ppat.1010618] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/26/2022] [Revised: 07/15/2022] [Accepted: 05/25/2022] [Indexed: 11/18/2022] Open
Abstract
The novel coronavirus SARS-CoV-2 emerged in late 2019, rapidly reached pandemic status, and has maintained global ubiquity through the emergence of variants of concern. Efforts to develop animal models have mostly fallen short of recapitulating severe disease, diminishing their utility for research focusing on severe disease pathogenesis and life-saving medical countermeasures. We tested whether route of experimental infection substantially changes COVID-19 disease characteristics in two species of nonhuman primates (Macaca mulatta; rhesus macaques; RM, Chlorocebus atheiops; African green monkeys; AGM). Species-specific cohorts were experimentally infected with SARS-CoV-2 by either direct mucosal (intratracheal + intranasal) instillation or small particle aerosol in route-discrete subcohorts. Both species demonstrated analogous viral loads in all compartments by either exposure route although the magnitude and duration of viral loading was marginally greater in AGMs than RMs. Clinical onset was nearly immediate (+1dpi) in the mucosal exposure cohort whereas clinical signs and cytokine responses in aerosol exposure animals began +7dpi. Pathologies conserved in both species and both exposure modalities include pulmonary myeloid cell influx, development of pleuritis, and extended lack of regenerative capacity in the pulmonary compartment. Demonstration of conserved pulmonary pathology regardless of species and exposure route expands our understanding of how SARS-CoV-2 infection may lead to ARDS and/or functional lung damage and demonstrates the near clinical response of the nonhuman primate model for anti-fibrotic therapeutic evaluation studies.
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Affiliation(s)
- Alyssa C. Fears
- Tulane National Primate Research Center, Covington, Louisiana, United States of America
- Biomedical Science Training Program, Tulane University School of Medicine, New Orleans, Louisiana, United States of America
| | | | - Nicole R. Chirichella
- Tulane National Primate Research Center, Covington, Louisiana, United States of America
| | - Nadia Slisarenko
- Tulane National Primate Research Center, Covington, Louisiana, United States of America
| | - Stephanie Z. Killeen
- Tulane National Primate Research Center, Covington, Louisiana, United States of America
| | - Rachel K. Redmann
- Tulane National Primate Research Center, Covington, Louisiana, United States of America
| | - Kelly Goff
- Tulane National Primate Research Center, Covington, Louisiana, United States of America
| | - Skye Spencer
- Tulane National Primate Research Center, Covington, Louisiana, United States of America
| | - Breanna Picou
- Tulane National Primate Research Center, Covington, Louisiana, United States of America
| | - Nadia Golden
- Tulane National Primate Research Center, Covington, Louisiana, United States of America
| | - Cecily C. Midkiff
- Tulane National Primate Research Center, Covington, Louisiana, United States of America
| | - Duane J. Bush
- Zalgen Labs, LLC, Germantown, Maryland, United States of America
| | - Luis M. Branco
- Zalgen Labs, LLC, Germantown, Maryland, United States of America
| | | | - Hongmei Gao
- Duke University Medical Center, Duke Human Vaccine Institute, Durham, North Carolina, United States of America
| | - David C. Montefiori
- Duke University Medical Center, Duke Human Vaccine Institute, Durham, North Carolina, United States of America
| | - Robert V. Blair
- Tulane National Primate Research Center, Covington, Louisiana, United States of America
| | - Lara A. Doyle-Meyers
- Tulane National Primate Research Center, Covington, Louisiana, United States of America
- Department of Medicine, Tulane University School of Medicine, New Orleans, Louisiana, United States of America
| | - Kasi Russell-Lodrigue
- Tulane National Primate Research Center, Covington, Louisiana, United States of America
| | - Nicholas J. Maness
- Tulane National Primate Research Center, Covington, Louisiana, United States of America
- Department of Microbiology and Immunology, Tulane University School of Medicine, New Orleans, Louisiana, United States of America
| | - Chad J. Roy
- Tulane National Primate Research Center, Covington, Louisiana, United States of America
- Department of Microbiology and Immunology, Tulane University School of Medicine, New Orleans, Louisiana, United States of America
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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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Tiwari S, Goel G, Kumar A. Natural and genetically-modified animal models to investigate pulmonary and extrapulmonary manifestations of COVID-19. Int Rev Immunol 2022; 43:13-32. [PMID: 35757923 DOI: 10.1080/08830185.2022.2089666] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/07/2022] [Accepted: 06/09/2022] [Indexed: 10/17/2022]
Abstract
Coronavirus disease-19 (COVID-19), a pandemic caused by Severe Acute Respiratory Syndrome Coronavirus-2 (SARS-CoV-2), is a primarily respiratory tract disease. Suitable animal models for COVID-19 are required to study various aspects of pathogenesis, drug discovery, effective and safe vaccine development. Several laboratory animals including, non-human primates, hamsters, ferrets, transgenic mice, and zebrafish, have been used and proven their significance experimentally. Currently available animal models of SARS-CoV-2 can be broadly classified into two categories 1) natural animal models 2) genetically-modified that exhibit different degrees of susceptibility of SARS-CoV-2, tissue damage in respiratory and other organ systems. Not all the available animal models mimic COVID-19-like phenotype completely. Therefore, understanding various aspects of COVID-19 requires different animal models. In this review article, we provide an update on the immune response and clinical manifestations observed in naturally occurring and genetically-modified animals of COVID-19. We then review the transmission, viral replication, lung pathology, immunological aspects, and extrapulmonary phenotypes observed in various animal models. In the end, we put forth our perspective on the anticipated uses, disadvantages, and limitations of each type of animal model.
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Affiliation(s)
- Shikha Tiwari
- Department of Biochemistry, All India Institute of Medical Sciences, Bhopal, India
| | - Garima Goel
- Department of Pathology and Laboratory Medicine, All India Institute of Medical Sciences, Bhopal, India
| | - Ashok Kumar
- Department of Biochemistry, All India Institute of Medical Sciences, Bhopal, India
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Development of Nested PCR for SARS-CoV-2 Detection and Its Application for Diagnosis of Active Infection in Cats. Vet Sci 2022; 9:vetsci9060272. [PMID: 35737324 PMCID: PMC9231004 DOI: 10.3390/vetsci9060272] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/02/2022] [Revised: 05/18/2022] [Accepted: 06/03/2022] [Indexed: 11/18/2022] Open
Abstract
SARS-CoV-2 emerged in 2019 and found diagnostic laboratories unprepared worldwide. To meet the need for timely and accurate virus detection, laboratories used rapid Ag tests and PCR kits based on costly multi-channel real-time techniques. This study aimed to develop a conventional nested PCR based on the SARS-CoV-2 N gene, validate it against some approved assays, and apply it to samples from six cats with respiratory symptoms obtained in early 2020 during the first COVID-19 wave in humans in Bulgaria. The nested PCR technique showed 100% sensitivity and specificity; it could detect extracted SARS-CoV-2 RNA at concentrations as low as 0.015 ng/μL. The results identified the six tested cat samples as positive. Sequence analysis performed in two of them confirmed this. The presented technique is reliable, easy to implement and inexpensive, and can be successful in strategies for the prevention and control of SARS-CoV-2 in humans, cats and other susceptible species.
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41
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Neil JA, Griffith M, Godfrey DI, Purcell DFJ, Deliyannis G, Jackson D, Rockman S, Subbarao K, Nolan T. Nonhuman primate models for evaluation of SARS-CoV-2 vaccines. Expert Rev Vaccines 2022; 21:1055-1070. [PMID: 35652289 DOI: 10.1080/14760584.2022.2071264] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
Abstract
INTRODUCTION Evaluation of immunogenicity and efficacy in animal models provide critical data in vaccine development. Nonhuman primates (NHPs) have been used extensively in the evaluation of SARS-CoV-2 vaccines. AREAS COVERED A critical synthesis of SARS-CoV-2 vaccine development with a focus on challenge studies in NHPs is provided. The benefits and drawbacks of the NHP models are discussed. The citations were selected by the authors based on PubMed searches of the literature, summaries from national public health bodies, and press-release information provided by vaccine developers. EXPERT OPINION We identify several aspects of NHP models that limit their usefulness for vaccine-challenge studies and numerous variables that constrain comparisons across vaccine platforms. We propose that studies conducted in NHPs for vaccine development should use a standardized protocol and, where possible, be substituted with smaller animal models. This will ensure continued rapid progression of vaccines to clinical trials without compromising assessments of safety or efficacy.
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Affiliation(s)
- Jessica A Neil
- Department of Microbiology and Immunology, Peter Doherty Institute for Infection and Immunity, The University of Melbourne, Melbourne, Australia
| | - Maryanne Griffith
- Vaccine and Immunisation Research Group (VIRGo), Department of Infectious Diseases, Peter Doherty Institute for Infection and Immunity, the University of Melbourne, Melbourne, Australia
| | - Dale I Godfrey
- Department of Microbiology and Immunology, Peter Doherty Institute for Infection and Immunity, The University of Melbourne, Melbourne, Australia
| | - Damian F J Purcell
- Department of Microbiology and Immunology, Peter Doherty Institute for Infection and Immunity, The University of Melbourne, Melbourne, Australia
| | - Georgia Deliyannis
- Department of Microbiology and Immunology, Peter Doherty Institute for Infection and Immunity, The University of Melbourne, Melbourne, Australia
| | - David Jackson
- Department of Microbiology and Immunology, Peter Doherty Institute for Infection and Immunity, The University of Melbourne, Melbourne, Australia
| | - Steve Rockman
- Department of Microbiology and Immunology, Peter Doherty Institute for Infection and Immunity, The University of Melbourne, Melbourne, Australia.,Seqirus, Parkville, Australia
| | - Kanta Subbarao
- Department of Microbiology and Immunology, Peter Doherty Institute for Infection and Immunity, The University of Melbourne, Melbourne, Australia.,WHO Collaborating Centre for Reference and Research on Influenza, Melbourne, Australia
| | - Terry Nolan
- Vaccine and Immunisation Research Group (VIRGo), Department of Infectious Diseases, Peter Doherty Institute for Infection and Immunity, the University of Melbourne, Melbourne, Australia.,Murdoch Children's Research Institute, Melbourne, Australia
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Dunai C, Collie C, Michael BD. Immune-Mediated Mechanisms of COVID-19 Neuropathology. Front Neurol 2022; 13:882905. [PMID: 35665037 PMCID: PMC9160362 DOI: 10.3389/fneur.2022.882905] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2022] [Accepted: 03/29/2022] [Indexed: 12/15/2022] Open
Abstract
Although SARS-CoV-2 causes a respiratory viral infection, there is a large incidence of neurological complications occurring in COVID-19 patients. These range from headaches and loss of smell to encephalitis and strokes. Little is known about the likely diverse mechanisms causing these pathologies and there is a dire need to understand how to prevent and treat them. This review explores recent research from the perspective of investigating how the immune system could play a role in neurological complications, including cytokines, blood biomarkers, immune cells, and autoantibodies. We also discuss lessons learnt from animal models. Overall, we highlight two key points that have emerged from increasing evidence: (1) SARS-CoV-2 does not invade the brain in the majority of cases and so the associated neurological complications might arise from indirect effects, such as immune activation (2) although the immune system plays a critical role in controlling the virus, its dysregulation can cause pathology.
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Affiliation(s)
- Cordelia Dunai
- Department of Clinical Infection Microbiology and Immunology, Institute of Infection, Veterinary and Ecological Sciences, University of Liverpool, Liverpool, United Kingdom
- NIHR HPRU for Emerging and Zoonotic Infection, Liverpool, United Kingdom
| | - Ceryce Collie
- Department of Clinical Infection Microbiology and Immunology, Institute of Infection, Veterinary and Ecological Sciences, University of Liverpool, Liverpool, United Kingdom
| | - Benedict D. Michael
- Department of Clinical Infection Microbiology and Immunology, Institute of Infection, Veterinary and Ecological Sciences, University of Liverpool, Liverpool, United Kingdom
- NIHR HPRU for Emerging and Zoonotic Infection, Liverpool, United Kingdom
- The Walton Centre NHS Foundation Trust, Liverpool, United Kingdom
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Bixler SL, Stefan CP, Jay AN, Rossi FD, Ricks KM, Shoemaker CJ, Moreau AM, Zeng X, Hooper JW, Dyer DN, Frick OM, Koehler JW, Kearney BJ, DiPinto N, Liu J, Tostenson SD, Clements TL, Smith JM, Johnson JA, Berrier KL, Esham HL, Delp KL, Coyne SR, Bloomfield HA, Kuehnert PA, Akers K, Gibson KM, Minogue TD, Nalca A, Pitt MLM. Exposure Route Influences Disease Severity in the COVID-19 Cynomolgus Macaque Model. Viruses 2022; 14:v14051013. [PMID: 35632755 PMCID: PMC9145782 DOI: 10.3390/v14051013] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2022] [Revised: 04/29/2022] [Accepted: 05/05/2022] [Indexed: 02/04/2023] Open
Abstract
The emergence of SARS-CoV-2 and the subsequent pandemic has highlighted the need for animal models that faithfully replicate the salient features of COVID-19 disease in humans. These models are necessary for the rapid selection, testing, and evaluation of potential medical countermeasures. Here, we performed a direct comparison of two distinct routes of SARS-CoV-2 exposure—combined intratracheal/intranasal and small particle aerosol—in two nonhuman primate species, rhesus and cynomolgus macaques. While all four experimental groups displayed very few outward clinical signs, evidence of mild to moderate respiratory disease was present on radiographs and at necropsy. Cynomolgus macaques exposed via the aerosol route also developed the most consistent fever responses and had the most severe respiratory disease and pathology. This study demonstrates that while all four models produced suitable representations of mild COVID-like illness, aerosol exposure of cynomolgus macaques to SARS-CoV-2 produced the most severe disease, which may provide additional clinical endpoints for evaluating therapeutics and vaccines.
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Affiliation(s)
- Sandra L. Bixler
- Virology Division, United States Army Medical Research Institute of Infectious Diseases (USAMRIID), Fort Detrick, Frederick, MD 21702, USA; (J.W.H.); (J.M.S.)
- Correspondence: (S.L.B.); (M.L.M.P.); Tel.: +1-301-619-3014 (S.L.B.); +1-301-619-4230 (M.L.M.P.)
| | - Christopher P. Stefan
- Diagnostic Systems Division, USAMRIID, Fort Detrick, Frederick, MD 21702, USA; (C.P.S.); (K.M.R.); (C.J.S.); (J.W.K.); (T.L.C.); (K.L.D.); (S.R.C.); (P.A.K.); (T.D.M.)
| | - Alexandra N. Jay
- Veterinary Medicine Division, USAMRIID, Fort Detrick, Frederick, MD 21702, USA; (A.N.J.); (F.D.R.); (D.N.D.); (O.M.F.); (K.L.B.); (H.L.E.)
| | - Franco D. Rossi
- Veterinary Medicine Division, USAMRIID, Fort Detrick, Frederick, MD 21702, USA; (A.N.J.); (F.D.R.); (D.N.D.); (O.M.F.); (K.L.B.); (H.L.E.)
| | - Keersten M. Ricks
- Diagnostic Systems Division, USAMRIID, Fort Detrick, Frederick, MD 21702, USA; (C.P.S.); (K.M.R.); (C.J.S.); (J.W.K.); (T.L.C.); (K.L.D.); (S.R.C.); (P.A.K.); (T.D.M.)
| | - Charles J. Shoemaker
- Diagnostic Systems Division, USAMRIID, Fort Detrick, Frederick, MD 21702, USA; (C.P.S.); (K.M.R.); (C.J.S.); (J.W.K.); (T.L.C.); (K.L.D.); (S.R.C.); (P.A.K.); (T.D.M.)
| | - Alicia M. Moreau
- Pathology Division, USAMRIID, Fort Detrick, Frederick, MD 21702, USA; (A.M.M.); (X.Z.); (N.D.); (J.L.)
| | - Xiankun Zeng
- Pathology Division, USAMRIID, Fort Detrick, Frederick, MD 21702, USA; (A.M.M.); (X.Z.); (N.D.); (J.L.)
| | - Jay W. Hooper
- Virology Division, United States Army Medical Research Institute of Infectious Diseases (USAMRIID), Fort Detrick, Frederick, MD 21702, USA; (J.W.H.); (J.M.S.)
| | - David N. Dyer
- Veterinary Medicine Division, USAMRIID, Fort Detrick, Frederick, MD 21702, USA; (A.N.J.); (F.D.R.); (D.N.D.); (O.M.F.); (K.L.B.); (H.L.E.)
| | - Ondraya M. Frick
- Veterinary Medicine Division, USAMRIID, Fort Detrick, Frederick, MD 21702, USA; (A.N.J.); (F.D.R.); (D.N.D.); (O.M.F.); (K.L.B.); (H.L.E.)
| | - Jeffrey W. Koehler
- Diagnostic Systems Division, USAMRIID, Fort Detrick, Frederick, MD 21702, USA; (C.P.S.); (K.M.R.); (C.J.S.); (J.W.K.); (T.L.C.); (K.L.D.); (S.R.C.); (P.A.K.); (T.D.M.)
| | - Brian J. Kearney
- Core Laboratory Services, USAMRIID, Fort Detrick, Frederick, MD 21702, USA; (B.J.K.); (S.D.T.); (J.A.J.); (H.A.B.); (K.A.); (K.M.G.)
| | - Nina DiPinto
- Pathology Division, USAMRIID, Fort Detrick, Frederick, MD 21702, USA; (A.M.M.); (X.Z.); (N.D.); (J.L.)
| | - Jun Liu
- Pathology Division, USAMRIID, Fort Detrick, Frederick, MD 21702, USA; (A.M.M.); (X.Z.); (N.D.); (J.L.)
| | - Samantha D. Tostenson
- Core Laboratory Services, USAMRIID, Fort Detrick, Frederick, MD 21702, USA; (B.J.K.); (S.D.T.); (J.A.J.); (H.A.B.); (K.A.); (K.M.G.)
| | - Tamara L. Clements
- Diagnostic Systems Division, USAMRIID, Fort Detrick, Frederick, MD 21702, USA; (C.P.S.); (K.M.R.); (C.J.S.); (J.W.K.); (T.L.C.); (K.L.D.); (S.R.C.); (P.A.K.); (T.D.M.)
| | - Jeffrey M. Smith
- Virology Division, United States Army Medical Research Institute of Infectious Diseases (USAMRIID), Fort Detrick, Frederick, MD 21702, USA; (J.W.H.); (J.M.S.)
| | - Joshua A. Johnson
- Core Laboratory Services, USAMRIID, Fort Detrick, Frederick, MD 21702, USA; (B.J.K.); (S.D.T.); (J.A.J.); (H.A.B.); (K.A.); (K.M.G.)
| | - Kerry L. Berrier
- Veterinary Medicine Division, USAMRIID, Fort Detrick, Frederick, MD 21702, USA; (A.N.J.); (F.D.R.); (D.N.D.); (O.M.F.); (K.L.B.); (H.L.E.)
| | - Heather L. Esham
- Veterinary Medicine Division, USAMRIID, Fort Detrick, Frederick, MD 21702, USA; (A.N.J.); (F.D.R.); (D.N.D.); (O.M.F.); (K.L.B.); (H.L.E.)
| | - Korey L. Delp
- Diagnostic Systems Division, USAMRIID, Fort Detrick, Frederick, MD 21702, USA; (C.P.S.); (K.M.R.); (C.J.S.); (J.W.K.); (T.L.C.); (K.L.D.); (S.R.C.); (P.A.K.); (T.D.M.)
| | - Susan R. Coyne
- Diagnostic Systems Division, USAMRIID, Fort Detrick, Frederick, MD 21702, USA; (C.P.S.); (K.M.R.); (C.J.S.); (J.W.K.); (T.L.C.); (K.L.D.); (S.R.C.); (P.A.K.); (T.D.M.)
| | - Holly A. Bloomfield
- Core Laboratory Services, USAMRIID, Fort Detrick, Frederick, MD 21702, USA; (B.J.K.); (S.D.T.); (J.A.J.); (H.A.B.); (K.A.); (K.M.G.)
| | - Paul A. Kuehnert
- Diagnostic Systems Division, USAMRIID, Fort Detrick, Frederick, MD 21702, USA; (C.P.S.); (K.M.R.); (C.J.S.); (J.W.K.); (T.L.C.); (K.L.D.); (S.R.C.); (P.A.K.); (T.D.M.)
| | - Kristen Akers
- Core Laboratory Services, USAMRIID, Fort Detrick, Frederick, MD 21702, USA; (B.J.K.); (S.D.T.); (J.A.J.); (H.A.B.); (K.A.); (K.M.G.)
| | - Kathleen M. Gibson
- Core Laboratory Services, USAMRIID, Fort Detrick, Frederick, MD 21702, USA; (B.J.K.); (S.D.T.); (J.A.J.); (H.A.B.); (K.A.); (K.M.G.)
| | - Timothy D. Minogue
- Diagnostic Systems Division, USAMRIID, Fort Detrick, Frederick, MD 21702, USA; (C.P.S.); (K.M.R.); (C.J.S.); (J.W.K.); (T.L.C.); (K.L.D.); (S.R.C.); (P.A.K.); (T.D.M.)
| | - Aysegul Nalca
- Core Support Directorate, USAMRIID, Fort Detrick, Frederick, MD 21702, USA;
| | - Margaret L. M. Pitt
- Office of the Science Advisor, USAMRIID, Fort Detrick, Frederick, MD 21702, USA
- Correspondence: (S.L.B.); (M.L.M.P.); Tel.: +1-301-619-3014 (S.L.B.); +1-301-619-4230 (M.L.M.P.)
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Abstract
The emergence of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) has caused a devastating pandemic. Although most people infected with SARS-CoV-2 develop a mild to moderate disease with virus replication restricted mainly to the upper airways, some progress to having a life-threatening pneumonia. In this Review, we explore recent clinical and experimental advances regarding SARS-CoV-2 pathophysiology and discuss potential mechanisms behind SARS-CoV-2-associated acute respiratory distress syndrome (ARDS), specifically focusing on new insights obtained using novel technologies such as single-cell omics, organoid infection models and CRISPR screens. We describe how SARS-CoV-2 may infect the lower respiratory tract and cause alveolar damage as a result of dysfunctional immune responses. We discuss how this may lead to the induction of a 'leaky state' of both the epithelium and the endothelium, promoting inflammation and coagulation, while an influx of immune cells leads to overexuberant inflammatory responses and immunopathology. Finally, we highlight how these findings may aid the development of new therapeutic interventions against COVID-19.
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Abstract
The lung is the primary site of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2)-induced immunopathology whereby the virus enters the host cells by binding to angiotensin-converting enzyme 2 (ACE2). Sophisticated regeneration and repair programs exist in the lungs to replenish injured cell populations. However, known resident stem/progenitor cells have been demonstrated to express ACE2, raising a substantial concern regarding the long-term consequences of impaired lung regeneration after SARS-CoV-2 infection. Moreover, clinical treatments may also affect lung repair from antiviral drug candidates to mechanical ventilation. In this review, we highlight how SARS-CoV-2 disrupts a program that governs lung homeostasis. We also summarize the current efforts of targeted therapy and supportive treatments for COVID-19 patients. In addition, we discuss the pros and cons of cell therapy with mesenchymal stem cells or resident lung epithelial stem/progenitor cells in preventing post-acute sequelae of COVID-19. We propose that, in addition to symptomatic treatments being developed and applied in the clinic, targeting lung regeneration is also essential to restore lung homeostasis in COVID-19 patients.
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Affiliation(s)
- Fuxiaonan Zhao
- Department of Basic Medicine, Haihe Clinical School, Tianjin Medical University, Tianjin, China
| | - Qingwen Ma
- Department of Basic Medicine, Haihe Clinical School, Tianjin Medical University, Tianjin, China
| | - Qing Yue
- Department of Basic Medicine, Haihe Clinical School, Tianjin Medical University, Tianjin, China
| | - Huaiyong Chen
- Department of Basic Medicine, Haihe Clinical School, Tianjin Medical University, Tianjin, China
- Key Research Laboratory for Infectious Disease Prevention for State Administration of Traditional Chinese Medicine, Tianjin Institute of Respiratory Diseases, Tianjin Haihe Hospital, Tianjin, China
- Department of Basic Medicine, Haihe Hospital, Tianjin University, Tianjin, China
- Tianjin Key Laboratory of Lung Regenerative Medicine, Tianjin, China
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Madden PJ, Thomas Y, Blair RV, Samer S, Doyle M, Midkiff CC, Doyle-Meyers LA, Becker ME, Arif MS, McRaven MD, Simons LM, Carias AM, Martinelli E, Lorenzo-Redondo R, Hultquist JF, Villinger FJ, Veazey RS, Hope TJ. An immunoPET probe to SARS-CoV-2 reveals early infection of the male genital tract in rhesus macaques. RESEARCH SQUARE 2022:rs.3.rs-1479315. [PMID: 35411346 PMCID: PMC8996619 DOI: 10.21203/rs.3.rs-1479315/v1] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
The systemic nature of SARS-CoV-2 infection is highly recognized, but poorly characterized. A non-invasive and unbiased method is needed to clarify whole body spatiotemporal dynamics of SARS-CoV-2 infection after transmission. We recently developed a probe based on the anti-SARS-CoV-2 spike antibody CR3022 to study SARS-CoV-2 pathogenesis in vivo. Herein, we describe its use in immunoPET to investigate SARS-CoV-2 infection of three rhesus macaques. Using PET/CT imaging of macaques at different times post-SARS-CoV-2 inoculation, we track the 64Cu-labelled CR3022-F(ab')2 probe targeting the spike protein of SARS-CoV-2 to study the dynamics of infection within the respiratory tract and uncover novel sites of infection. Using this method, we uncovered differences in lung pathology between infection with the WA1 isolate and the delta variant, which were readily corroborated through computed tomography scans. The 64Cu-CR3022-probe also demonstrated dynamic changes occurring between 1- and 2-weeks post-infection. Remarkably, a robust signal was seen in the male genital tract (MGT) of all three animals studied. Infection of the MGT was validated by immunofluorescence imaging of infected cells in the testicular and penile tissue and severe pathology was observed in the testes of one animal at 2-weeks post-infection. The results presented here underscore the utility of using immunoPET to study the dynamics of SARS-CoV-2 infection to understand its pathogenicity and discover new anatomical sites of viral replication. We provide direct evidence for SARS-CoV-2 infection of the MGT in rhesus macaques revealing the possible pathologic outcomes of viral replication at these sites.
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Affiliation(s)
- Patrick J Madden
- Department of Cell and Developmental Biology, Feinberg School of Medicine, Northwestern University, Chicago, Illinois, USA
| | - Yanique Thomas
- Department of Cell and Developmental Biology, Feinberg School of Medicine, Northwestern University, Chicago, Illinois, USA
| | - Robert V Blair
- Tulane National Primate Research Center, Covington, Louisiana, USA
| | - Sadia Samer
- Department of Cell and Developmental Biology, Feinberg School of Medicine, Northwestern University, Chicago, Illinois, USA
| | - Mark Doyle
- Tulane National Primate Research Center, Covington, Louisiana, USA
| | - Cecily C Midkiff
- Tulane National Primate Research Center, Covington, Louisiana, USA
| | | | - Mark E Becker
- Department of Cell and Developmental Biology, Feinberg School of Medicine, Northwestern University, Chicago, Illinois, USA
| | - Muhammad S Arif
- Department of Cell and Developmental Biology, Feinberg School of Medicine, Northwestern University, Chicago, Illinois, USA
| | - Michael D McRaven
- Department of Cell and Developmental Biology, Feinberg School of Medicine, Northwestern University, Chicago, Illinois, USA
| | - Lacy M Simons
- Department of Medicine, Division of Infectious Diseases, Northwestern University Feinberg School of Medicine, Chicago, IL, USA
- Center for Pathogen Genomics and Microbial Evolution, Havey Institute for Global Health, Feinberg School of Medicine, Northwestern University, Chicago, IL, USA
| | - Ann M Carias
- Department of Cell and Developmental Biology, Feinberg School of Medicine, Northwestern University, Chicago, Illinois, USA
| | - Elena Martinelli
- Department of Cell and Developmental Biology, Feinberg School of Medicine, Northwestern University, Chicago, Illinois, USA
| | - Ramon Lorenzo-Redondo
- Department of Medicine, Division of Infectious Diseases, Northwestern University Feinberg School of Medicine, Chicago, IL, USA
- Center for Pathogen Genomics and Microbial Evolution, Havey Institute for Global Health, Feinberg School of Medicine, Northwestern University, Chicago, IL, USA
| | - Judd F Hultquist
- Department of Medicine, Division of Infectious Diseases, Northwestern University Feinberg School of Medicine, Chicago, IL, USA
- Center for Pathogen Genomics and Microbial Evolution, Havey Institute for Global Health, Feinberg School of Medicine, Northwestern University, Chicago, IL, USA
| | - Francois J Villinger
- New Iberia Research Center, University of Louisiana-Lafayette, New Iberia, Louisiana, USA
| | - Ronald S Veazey
- Tulane National Primate Research Center, Covington, Louisiana, USA
| | - Thomas J Hope
- Department of Cell and Developmental Biology, Feinberg School of Medicine, Northwestern University, Chicago, Illinois, USA
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Neuropathology and virus in brain of SARS-CoV-2 infected non-human primates. Nat Commun 2022; 13:1745. [PMID: 35365631 PMCID: PMC8975902 DOI: 10.1038/s41467-022-29440-z] [Citation(s) in RCA: 93] [Impact Index Per Article: 46.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2020] [Accepted: 03/12/2022] [Indexed: 12/14/2022] Open
Abstract
Neurological manifestations are a significant complication of coronavirus disease (COVID-19), but underlying mechanisms aren’t well understood. The development of animal models that recapitulate the neuropathological findings of autopsied brain tissue from patients who died from severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) infection are critical for elucidating the neuropathogenesis of infection and disease. Here, we show neuroinflammation, microhemorrhages, brain hypoxia, and neuropathology that is consistent with hypoxic-ischemic injury in SARS-CoV-2 infected non-human primates (NHPs), including evidence of neuron degeneration and apoptosis. Importantly, this is seen among infected animals that do not develop severe respiratory disease, which may provide insight into neurological symptoms associated with “long COVID”. Sparse virus is detected in brain endothelial cells but does not associate with the severity of central nervous system (CNS) injury. We anticipate our findings will advance our current understanding of the neuropathogenesis of SARS-CoV-2 infection and demonstrate SARS-CoV-2 infected NHPs are a highly relevant animal model for investigating COVID-19 neuropathogenesis among human subjects. COVID-19 can result in neurological manifestations and animal models could provide insights into the mechanisms. Here, the authors describe neuroinflammation, microhemorrhages and brain hypoxia in SARS-CoV-2 infected non-human primates, including in animals that don’t develop severe respiratory disease.
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Madden PJ, Thomas Y, Blair RV, Samer S, Doyle M, Midkiff CC, Doyle-Meyers LA, Becker ME, Arif MS, McRaven MD, Simons LM, Carias AM, Martinelli E, Lorenzo-Redondo R, Hultquist JF, Villinger FJ, Veazey RS, Hope TJ. An immunoPET probe to SARS-CoV-2 reveals early infection of the male genital tract in rhesus macaques. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2022:2022.02.25.481974. [PMID: 35262081 PMCID: PMC8902882 DOI: 10.1101/2022.02.25.481974] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
Abstract
The systemic nature of SARS-CoV-2 infection is highly recognized, but poorly characterized. A non-invasive and unbiased method is needed to clarify whole body spatiotemporal dynamics of SARS-CoV-2 infection after transmission. We recently developed a probe based on the anti-SARS-CoV-2 spike antibody CR3022 to study SARS-CoV-2 pathogenesis in vivo. Herein, we describe its use in immunoPET to investigate SARS-CoV-2 infection of three rhesus macaques. Using PET/CT imaging of macaques at different times post-SARS-CoV-2 inoculation, we track the 64Cu-labelled CR3022-F(ab')2 probe targeting the spike protein of SARS-CoV-2 to study the dynamics of infection within the respiratory tract and uncover novel sites of infection. Using this method, we uncovered differences in lung pathology between infection with the WA1 isolate and the delta variant, which were readily corroborated through computed tomography scans. The 64Cu-CR3022-probe also demonstrated dynamic changes occurring between 1- and 2-weeks post-infection. Remarkably, a robust signal was seen in the male genital tract (MGT) of all three animals studied. Infection of the MGT was validated by immunofluorescence imaging of infected cells in the testicular and penile tissue and severe pathology was observed in the testes of one animal at 2-weeks post-infection. The results presented here underscore the utility of using immunoPET to study the dynamics of SARS-CoV-2 infection to understand its pathogenicity and discover new anatomical sites of viral replication. We provide direct evidence for SARS-CoV-2 infection of the MGT in rhesus macaques revealing the possible pathologic outcomes of viral replication at these sites.
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Affiliation(s)
- Patrick J Madden
- Department of Cell and Developmental Biology, Feinberg School of Medicine, Northwestern University, Chicago, Illinois, USA
| | - Yanique Thomas
- Department of Cell and Developmental Biology, Feinberg School of Medicine, Northwestern University, Chicago, Illinois, USA
| | - Robert V Blair
- Tulane National Primate Research Center, Covington, Louisiana, USA
| | - Sadia Samer
- Department of Cell and Developmental Biology, Feinberg School of Medicine, Northwestern University, Chicago, Illinois, USA
| | - Mark Doyle
- Tulane National Primate Research Center, Covington, Louisiana, USA
| | - Cecily C Midkiff
- Tulane National Primate Research Center, Covington, Louisiana, USA
| | | | - Mark E Becker
- Department of Cell and Developmental Biology, Feinberg School of Medicine, Northwestern University, Chicago, Illinois, USA
| | - Muhammad S Arif
- Department of Cell and Developmental Biology, Feinberg School of Medicine, Northwestern University, Chicago, Illinois, USA
| | - Michael D McRaven
- Department of Cell and Developmental Biology, Feinberg School of Medicine, Northwestern University, Chicago, Illinois, USA
| | - Lacy M Simons
- Department of Medicine, Division of Infectious Diseases, Northwestern University Feinberg School of Medicine, Chicago, IL, USA
- Center for Pathogen Genomics and Microbial Evolution, Havey Institute for Global Health, Feinberg School of Medicine, Northwestern University, Chicago, IL, USA
| | - Ann M Carias
- Department of Cell and Developmental Biology, Feinberg School of Medicine, Northwestern University, Chicago, Illinois, USA
| | - Elena Martinelli
- Department of Cell and Developmental Biology, Feinberg School of Medicine, Northwestern University, Chicago, Illinois, USA
| | - Ramon Lorenzo-Redondo
- Department of Medicine, Division of Infectious Diseases, Northwestern University Feinberg School of Medicine, Chicago, IL, USA
- Center for Pathogen Genomics and Microbial Evolution, Havey Institute for Global Health, Feinberg School of Medicine, Northwestern University, Chicago, IL, USA
| | - Judd F Hultquist
- Department of Medicine, Division of Infectious Diseases, Northwestern University Feinberg School of Medicine, Chicago, IL, USA
- Center for Pathogen Genomics and Microbial Evolution, Havey Institute for Global Health, Feinberg School of Medicine, Northwestern University, Chicago, IL, USA
| | - Francois J Villinger
- New Iberia Research Center, University of Louisiana-Lafayette, New Iberia, Louisiana, USA
| | - Ronald S Veazey
- Tulane National Primate Research Center, Covington, Louisiana, USA
| | - Thomas J Hope
- Department of Cell and Developmental Biology, Feinberg School of Medicine, Northwestern University, Chicago, Illinois, USA
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49
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Nelson CE, Namasivayam S, Foreman TW, Kauffman KD, Sakai S, Dorosky DE, Lora NE, Brooks K, Potter EL, Garza NL, Lafont BAP, Johnson RF, Roederer M, Sher A, Weiskopf D, Sette A, de Wit E, Hickman HD, Brenchley JM, Via LE, Barber DL. Mild SARS-CoV-2 infection in rhesus macaques is associated with viral control prior to antigen-specific T cell responses in tissues. Sci Immunol 2022; 7:eabo0535. [PMID: 35271298 PMCID: PMC8995035 DOI: 10.1126/sciimmunol.abo0535] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2022] [Accepted: 03/04/2022] [Indexed: 12/24/2022]
Abstract
SARS-CoV-2 primarily replicates in mucosal sites, and more information is needed about immune responses in infected tissues. Here, we used rhesus macaques to model protective primary immune responses in tissues during mild COVID-19. Viral RNA levels were highest on days 1-2 post-infection and fell precipitously thereafter. 18F-fluorodeoxyglucose (FDG)-avid lung abnormalities and interferon (IFN)-activated monocytes and macrophages in the bronchoalveolar lavage (BAL) were found on days 3-4 post-infection. Virus-specific effector CD8+ and CD4+ T cells became detectable in the BAL and lung tissue on days 7-10, after viral RNA, radiologic evidence of lung inflammation, and IFN-activated myeloid cells had substantially declined. Notably, SARS-CoV-2-specific T cells were not detectable in the nasal turbinates, salivary glands, and tonsils on day 10 post-infection. Thus, SARS-CoV-2 replication wanes in the lungs of rhesus macaques prior to T cell responses, and in the nasal and oral mucosa despite the apparent lack of antigen-specific T cells, suggesting that innate immunity efficiently restricts viral replication during mild COVID-19.
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Affiliation(s)
- Christine E. Nelson
- T lymphocyte Biology Section, Laboratory of Parasitic Diseases, National Institutes of Allergy and Infectious Disease, National Institutes of Health, Bethesda, MD, USA
| | - Sivaranjani Namasivayam
- Immunobiology Section, Laboratory of Parasitic Diseases, National Institutes of Allergy and Infectious Disease, National Institutes of Health, Bethesda, MD, USA
| | - Taylor W. Foreman
- T lymphocyte Biology Section, Laboratory of Parasitic Diseases, National Institutes of Allergy and Infectious Disease, National Institutes of Health, Bethesda, MD, USA
| | - Keith D. Kauffman
- T lymphocyte Biology Section, Laboratory of Parasitic Diseases, National Institutes of Allergy and Infectious Disease, National Institutes of Health, Bethesda, MD, USA
| | - Shunsuke Sakai
- T lymphocyte Biology Section, Laboratory of Parasitic Diseases, National Institutes of Allergy and Infectious Disease, National Institutes of Health, Bethesda, MD, USA
| | - Danielle E. Dorosky
- T lymphocyte Biology Section, Laboratory of Parasitic Diseases, National Institutes of Allergy and Infectious Disease, National Institutes of Health, Bethesda, MD, USA
| | - Nickiana E. Lora
- T lymphocyte Biology Section, Laboratory of Parasitic Diseases, National Institutes of Allergy and Infectious Disease, National Institutes of Health, Bethesda, MD, USA
| | - NIAID/DIR Tuberculosis Imaging Program3†
- T lymphocyte Biology Section, Laboratory of Parasitic Diseases, National Institutes of Allergy and Infectious Disease, National Institutes of Health, Bethesda, MD, USA
- Immunobiology Section, Laboratory of Parasitic Diseases, National Institutes of Allergy and Infectious Disease, National Institutes of Health, Bethesda, MD, USA
- Division of Intramural Research, National Institutes of Allergy and Infectious Disease, National Institutes of Health, Bethesda, MD, USA
- Barrier Immunity Section, Laboratory of Viral Diseases, National Institutes of Allergy and Infectious Disease, National Institutes of Health, Bethesda, MD, USA
- ImmunoTechnology Section, Vaccine Research Center, National Institutes of Allergy and Infectious Disease, National Institutes of Health, Bethesda, MD, USA
- Center for Infectious Disease and Vaccine Research, La Jolla Institute for Immunology, La Jolla, CA 92037, USA
- SARS-CoV-2 Virology Core, Laboratory of Viral Diseases, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, MD
- Department of Medicine, Division of Infectious Diseases and Global Public Health, University of California, San Diego (UCSD), La Jolla, CA 92037, USA
- Laboratory of Virology, Division of Intramural Research, National Institutes of Allergy and Infectious Disease, National Institutes of Health, Hamilton, MT, USA
- Viral Immunity and Pathogenesis Unit, Laboratory of Clinical Immunology and Microbiology, National Institutes of Allergy and Infectious Disease, National Institutes of Health, Bethesda, MD, USA
- Tuberculosis Research Section, Laboratory of Clinical Infectious Diseases, National Institutes of Allergy and Infectious Disease, National Institutes of Health, Bethesda, MD, USA
- Institute of Infectious Disease & Molecular Medicine and Division of Immunology, Department of Pathology, University of Cape Town, Observatory, South Africa
| | - Kelsie Brooks
- Barrier Immunity Section, Laboratory of Viral Diseases, National Institutes of Allergy and Infectious Disease, National Institutes of Health, Bethesda, MD, USA
| | - E. Lake Potter
- ImmunoTechnology Section, Vaccine Research Center, National Institutes of Allergy and Infectious Disease, National Institutes of Health, Bethesda, MD, USA
| | - Nicole L. Garza
- SARS-CoV-2 Virology Core, Laboratory of Viral Diseases, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, MD
| | - Bernard A. P. Lafont
- SARS-CoV-2 Virology Core, Laboratory of Viral Diseases, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, MD
| | - Reed F. Johnson
- SARS-CoV-2 Virology Core, Laboratory of Viral Diseases, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, MD
| | - Mario Roederer
- ImmunoTechnology Section, Vaccine Research Center, National Institutes of Allergy and Infectious Disease, National Institutes of Health, Bethesda, MD, USA
| | - Alan Sher
- Immunobiology Section, Laboratory of Parasitic Diseases, National Institutes of Allergy and Infectious Disease, National Institutes of Health, Bethesda, MD, USA
| | - Daniela Weiskopf
- Center for Infectious Disease and Vaccine Research, La Jolla Institute for Immunology, La Jolla, CA 92037, USA
| | - Alessandro Sette
- Center for Infectious Disease and Vaccine Research, La Jolla Institute for Immunology, La Jolla, CA 92037, USA
- Department of Medicine, Division of Infectious Diseases and Global Public Health, University of California, San Diego (UCSD), La Jolla, CA 92037, USA
| | - Emmie de Wit
- Laboratory of Virology, Division of Intramural Research, National Institutes of Allergy and Infectious Disease, National Institutes of Health, Hamilton, MT, USA
| | - Heather D. Hickman
- Viral Immunity and Pathogenesis Unit, Laboratory of Clinical Immunology and Microbiology, National Institutes of Allergy and Infectious Disease, National Institutes of Health, Bethesda, MD, USA
| | - Jason M. Brenchley
- Barrier Immunity Section, Laboratory of Viral Diseases, National Institutes of Allergy and Infectious Disease, National Institutes of Health, Bethesda, MD, USA
| | - Laura E. Via
- Tuberculosis Research Section, Laboratory of Clinical Infectious Diseases, National Institutes of Allergy and Infectious Disease, National Institutes of Health, Bethesda, MD, USA
- Institute of Infectious Disease & Molecular Medicine and Division of Immunology, Department of Pathology, University of Cape Town, Observatory, South Africa
| | - Daniel L. Barber
- T lymphocyte Biology Section, Laboratory of Parasitic Diseases, National Institutes of Allergy and Infectious Disease, National Institutes of Health, Bethesda, MD, USA
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50
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Carossino M, Kenney D, O’Connell AK, Montanaro P, Tseng AE, Gertje HP, Grosz KA, Ericsson M, Huber BR, Kurnick SA, Subramaniam S, Kirkland TA, Walker JR, Francis KP, Klose AD, Paragas N, Bosmann M, Saeed M, Balasuriya UBR, Douam F, Crossland NA. Fatal Neurodissemination and SARS-CoV-2 Tropism in K18-hACE2 Mice Is Only Partially Dependent on hACE2 Expression. Viruses 2022; 14:v14030535. [PMID: 35336942 PMCID: PMC8955233 DOI: 10.3390/v14030535] [Citation(s) in RCA: 33] [Impact Index Per Article: 16.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2021] [Revised: 02/17/2022] [Accepted: 03/03/2022] [Indexed: 02/06/2023] Open
Abstract
Animal models recapitulating COVID-19 are critical to enhance our understanding of SARS-CoV-2 pathogenesis. Intranasally inoculated transgenic mice expressing human angiotensin-converting enzyme 2 under the cytokeratin 18 promoter (K18-hACE2) represent a lethal model of SARS-CoV-2 infection. We evaluated the clinical and virological dynamics of SARS-CoV-2 using two intranasal doses (104 and 106 PFUs), with a detailed spatiotemporal pathologic analysis of the 106 dose cohort. Despite generally mild-to-moderate pneumonia, clinical decline resulting in euthanasia or death was commonly associated with hypothermia and viral neurodissemination independent of inoculation dose. Neuroinvasion was first observed at 4 days post-infection, initially restricted to the olfactory bulb suggesting axonal transport via the olfactory neuroepithelium as the earliest portal of entry. Absence of viremia suggests neuroinvasion occurs independently of transport across the blood-brain barrier. SARS-CoV-2 tropism was neither restricted to ACE2-expressing cells (e.g., AT1 pneumocytes), nor inclusive of some ACE2-positive cell lineages (e.g., bronchiolar epithelium and brain vasculature). Absence of detectable ACE2 protein expression in neurons but overexpression in neuroepithelium suggest this as the most likely portal of neuroinvasion, with subsequent ACE2 independent lethal neurodissemination. A paucity of epidemiological data and contradicting evidence for neuroinvasion and neurodissemination in humans call into question the translational relevance of this model.
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Affiliation(s)
- Mariano Carossino
- Louisiana Animal Disease Diagnostic Laboratory (LADDL), Louisiana State University, Baton Rouge, LA 61329, USA; (M.C.); (U.B.R.B.)
- Department of Pathobiological Sciences, School of Veterinary Medicine, Louisiana State University, Baton Rouge, LA 61329, USA
| | - Devin Kenney
- National Emerging Infectious Diseases Laboratories (NEIDL), Boston University, Boston, MA 02118, USA; (D.K.); (A.K.O.); (P.M.); (A.E.T.); (H.P.G.); (K.A.G.); (S.A.K.); (M.B.); (M.S.)
- Department of Microbiology, Boston University School of Medicine, Boston, MA 02118, USA
| | - Aoife K. O’Connell
- National Emerging Infectious Diseases Laboratories (NEIDL), Boston University, Boston, MA 02118, USA; (D.K.); (A.K.O.); (P.M.); (A.E.T.); (H.P.G.); (K.A.G.); (S.A.K.); (M.B.); (M.S.)
| | - Paige Montanaro
- National Emerging Infectious Diseases Laboratories (NEIDL), Boston University, Boston, MA 02118, USA; (D.K.); (A.K.O.); (P.M.); (A.E.T.); (H.P.G.); (K.A.G.); (S.A.K.); (M.B.); (M.S.)
- Department of Pathology and Laboratory Medicine, Boston University School of Medicine, Boston, MA 02118, USA
| | - Anna E. Tseng
- National Emerging Infectious Diseases Laboratories (NEIDL), Boston University, Boston, MA 02118, USA; (D.K.); (A.K.O.); (P.M.); (A.E.T.); (H.P.G.); (K.A.G.); (S.A.K.); (M.B.); (M.S.)
- Department of Pathology and Laboratory Medicine, Boston University School of Medicine, Boston, MA 02118, USA
| | - Hans P. Gertje
- National Emerging Infectious Diseases Laboratories (NEIDL), Boston University, Boston, MA 02118, USA; (D.K.); (A.K.O.); (P.M.); (A.E.T.); (H.P.G.); (K.A.G.); (S.A.K.); (M.B.); (M.S.)
| | - Kyle A. Grosz
- National Emerging Infectious Diseases Laboratories (NEIDL), Boston University, Boston, MA 02118, USA; (D.K.); (A.K.O.); (P.M.); (A.E.T.); (H.P.G.); (K.A.G.); (S.A.K.); (M.B.); (M.S.)
| | - Maria Ericsson
- Electron Microscopy Core Facility, Harvard Medical School, Boston, MA 02115, USA;
| | - Bertrand R. Huber
- Department of Neurology, Boston University School of Medicine, Boston, MA 02118, USA;
| | - Susanna A. Kurnick
- National Emerging Infectious Diseases Laboratories (NEIDL), Boston University, Boston, MA 02118, USA; (D.K.); (A.K.O.); (P.M.); (A.E.T.); (H.P.G.); (K.A.G.); (S.A.K.); (M.B.); (M.S.)
| | - Saravanan Subramaniam
- Department of Medicine, Pulmonary Center, Boston University School of Medicine, Boston, MA 02118, USA;
| | - Thomas A. Kirkland
- Promega Biosciences, LLC, San Luis Obispo, CA 93401, USA; (T.A.K.); (J.R.W.)
| | - Joel R. Walker
- Promega Biosciences, LLC, San Luis Obispo, CA 93401, USA; (T.A.K.); (J.R.W.)
| | | | | | - Neal Paragas
- InVivo Analytics Inc., New York, NY 10023, USA; (A.D.K.); (N.P.)
- Department of Radiology Imaging Research Lab, University of Washington, Seattle, WA 98133, USA
| | - Markus Bosmann
- National Emerging Infectious Diseases Laboratories (NEIDL), Boston University, Boston, MA 02118, USA; (D.K.); (A.K.O.); (P.M.); (A.E.T.); (H.P.G.); (K.A.G.); (S.A.K.); (M.B.); (M.S.)
- Department of Medicine, Pulmonary Center, Boston University School of Medicine, Boston, MA 02118, USA;
- Center for Thrombosis and Hemostasis, University Medical Center of the Johannes Gutenberg-University Mainz, 55131 Mainz, Germany
| | - Mohsan Saeed
- National Emerging Infectious Diseases Laboratories (NEIDL), Boston University, Boston, MA 02118, USA; (D.K.); (A.K.O.); (P.M.); (A.E.T.); (H.P.G.); (K.A.G.); (S.A.K.); (M.B.); (M.S.)
- Department of Biochemistry, Boston University, Boston, MA 02118, USA
| | - Udeni B. R. Balasuriya
- Louisiana Animal Disease Diagnostic Laboratory (LADDL), Louisiana State University, Baton Rouge, LA 61329, USA; (M.C.); (U.B.R.B.)
- Department of Pathobiological Sciences, School of Veterinary Medicine, Louisiana State University, Baton Rouge, LA 61329, USA
| | - Florian Douam
- National Emerging Infectious Diseases Laboratories (NEIDL), Boston University, Boston, MA 02118, USA; (D.K.); (A.K.O.); (P.M.); (A.E.T.); (H.P.G.); (K.A.G.); (S.A.K.); (M.B.); (M.S.)
- Department of Microbiology, Boston University School of Medicine, Boston, MA 02118, USA
- Correspondence: (F.D.); (N.A.C.); Tel.: +1-(617)-358-9174 (F.D.); +1-(617)-358-9285 (N.A.C.)
| | - Nicholas A. Crossland
- National Emerging Infectious Diseases Laboratories (NEIDL), Boston University, Boston, MA 02118, USA; (D.K.); (A.K.O.); (P.M.); (A.E.T.); (H.P.G.); (K.A.G.); (S.A.K.); (M.B.); (M.S.)
- Department of Pathology and Laboratory Medicine, Boston University School of Medicine, Boston, MA 02118, USA
- Correspondence: (F.D.); (N.A.C.); Tel.: +1-(617)-358-9174 (F.D.); +1-(617)-358-9285 (N.A.C.)
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