Cited by 477SARS-CoV-2 and COVID-19 ResearchAnimal Virus Infections StudiesImmune responses and vaccinations

A Double-Inactivated Severe Acute Respiratory Syndrome Coronavirus Vaccine Provides Incomplete Protection in Mice and Induces Increased Eosinophilic Proinflammatory Pulmonary Response upon Challenge

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Bolles, Meagan, Deming, Damon, Long, Kristin, Agnihothram, Sudhakar, Whitmore, Alan, Ferris, Martin, Funkhouser, William, Gralinski, Lisa +3 more·2011·Journal of Virology

Abstract

Severe acute respiratory syndrome coronavirus (SARS-CoV) is an important emerging virus that is highly pathogenic in aged populations and is maintained with great diversity in zoonotic reservoirs. While a variety of vaccine platforms have shown efficacy in young-animal models and against homologous viral strains, vaccine efficacy has not been thoroughly evaluated using highly pathogenic variants that replicate the acute end stage lung disease phenotypes seen during the human epidemic. Using an adjuvanted and an unadjuvanted double-inactivated SARS-CoV (DIV) vaccine, we demonstrate an eosinophilic immunopathology in aged mice comparable to that seen in mice immunized with the SARS nucleocapsid protein, and poor protection against a nonlethal heterologous challenge. In young and 1-year-old animals, we demonstrate that adjuvanted DIV vaccine provides protection against lethal disease in young animals following homologous and heterologous challenge, although enhanced immune pathology and eosinophilia are evident following heterologous challenge. In the absence of alum, DIV vaccine performed poorly in young animals challenged with lethal homologous or heterologous strains. In contrast, DIV vaccines (both adjuvanted and unadjuvanted) performed poorly in aged-animal models. Importantly, aged animals displayed increased eosinophilic immune pathology in the lungs and were not protected against significant virus replication. These data raise significant concerns regarding DIV vaccine s…

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Crossref · 10.1128/jvi.06048-11

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  • In animal models of other coronaviruses and prior inactivated RSV or measles vaccines, VAERD is usually linked to Th2-biased CD4+ responses with elevated IL-4, IL-5, or IL-13.

    “In animal models of infections with other coronaviruses and for previous whole-cell inactivated vaccines developed for respiratory syncytial virus and measles virus, VAERD has usually been associated with the development of T helper 2 cell (TH2 cell)-biased CD4+ T cell responses, with significantly increased levels of interleukin-4 (IL-4), IL-5 and/or IL-13 (refs12,126,165–174).”

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Authors
Bolles, M., Deming, D., Long, K., Agnihothram, S., Whitmore, A., Ferris, M., Funkhouser, W., Gralinski, L., Totura, A., Heise, M., & Baric, R. S.
Affiliations
  • Department of Microbiology and Immunology, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina
  • University of North Carolina at Chapel Hill (US)
Corresponding author
Baric, Ralph S.
Venue
Journal of Virology
Published
2011-12
Volume
85
Issue
23
Pages
12201-12215
ISSN
  • 0022-538X (ISSN-L)
  • 1098-5514
OpenAlex
W1995367098
Cited by
477
References
5
Citations by year
2026: 6 · 2025: 9 · 2024: 20 · 2023: 27 · 2022: 54 · 2021: 136 · 2020: 158 · 2019: 10 · 2018: 6 · 2017: 5 · 2016: 14 · 2015: 8 · 2014: 12 · 2013: 5 · 2012: 7
FWCI
5.64
Type
journal article
Language
en
Open access
Locations
  • Journal of Virology (publishedVersion)
  • Europe PMC (PubMed Central) (publishedVersion)
  • PubMed Central (publishedVersion)
  • PubMed (publishedVersion)
  • Carolina Digital Repository (University of North Carolina at Chapel Hill) (submittedVersion)
  • Zenodo (CERN European Organization for Nuclear Research) (submittedVersion, cc-by)
  • UNC Libraries
Funders
  • National Institutes of Health
  • University of North Carolina at Chapel Hill
  • National Institute of General Medical Sciences (T32GM008719)
  • National Institute of Allergy and Infectious Diseases (U54AI081680, AI075297, R01AI075297, U54AI080680)
Topics
  • Health Sciences › Medicine › Infectious Diseases › SARS-CoV-2 and COVID-19 Research
  • Life Sciences › Agricultural and Biological Sciences › Animal Science and Zoology › Animal Virus Infections Studies
  • Life Sciences › Immunology and Microbiology › Immunology › Immune responses and vaccinations
Keywords
SARS-CoV, inactivated vaccine, vaccine efficacy, eosinophilia, pulmonary immunopathology, aged mice, heterologous challenge, alum adjuvant, nucleocapsid protein, vaccine safety, vaccine failure, SARS-CoV-2
MeSH terms
Animals, Antibodies, Viral, Chlorocebus aethiops, Enzyme-Linked Immunosorbent Assay, Female, Lung, Mice, Inbred BALB C, Neutralization Tests, Pulmonary Eosinophilia, RNA, Messenger, Vaccination, Vero Cells, Viral Envelope Proteins, Viral Vaccines, Blotting, Western, Vaccines, Inactivated, Severe Acute Respiratory Syndrome, Severe acute respiratory syndrome-related coronavirus, Mice, Real-Time Polymerase Chain Reaction

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