Monovalent and trivalent VSV-based COVID-19 vaccines elicit neutralizing antibodies and CD8+ T cells against SARS-CoV-2 variants

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creativework.keywords - en
Immunology
Virology
dc.contributor.author
Parham, Kate A.
Kim, Gyoung Nyoun
Richer, Connor G.
Ninkov, Marina
Wu, Kunyu
Saeedian, Nasrin
Li, Yue
Rashu, Rasheduzzaman
Barr, Stephen D.
Arts, Eric J.
Haeryfar, S. M. Mansour
Kang, C. Yong
Troyer, Ryan M.
dc.date.accessioned
2024-03-04T18:34:19Z
dc.date.available
2024-03-04T18:34:19Z
dc.date.issued
2023-02-28
dc.description.abstract - en
HIGHLIGHTS Produced replication-competent rVSV-based vaccines with variant SARS-CoV-2 spikes Variant vaccines elicited potent nAbs against diverse SARS-CoV-2 strains Delta booster and Trivalent vaccines were superior to the original Wuhan spike vaccine All vaccines elicited a spike-specific immunodominant CD8+ T cell response SUMMARY Recombinant vesicular stomatitis virus (rVSV) vaccines expressing spike proteins of Wuhan, Beta, and/or Delta variants of SARS-CoV-2 were generated and tested for induction of antibody and T cell immune responses following intramuscular delivery to mice. rVSV-Wuhan and rVSV-Delta vaccines and an rVSV-Trivalent (mixed rVSV-Wuhan, -Beta, -Delta) vaccine elicited potent neutralizing antibodies (nAbs) against live SARS-CoV-2 Wuhan (USAWA1), Beta (B.1.351), Delta (B.1.617.2), and Omicron (B.1.1.529) viruses. Prime-boost vaccination with rVSV-Beta was less effective in this capacity. Heterologous boosting of rVSV-Wuhan with rVSV-Delta induced strong nAb responses against Delta and Omicron viruses, with the rVSV-Trivalent vaccine consistently effective in inducing nAbs against all the SARS-CoV-2 variants tested. All vaccines, including rVSV-Beta, elicited a spike-specific immunodominant CD8+ T cell response. Collectively, rVSV vaccines targeting SARS-CoV-2 variants of concern may be considered in the global fight against COVID-19.
dc.identifier.citation
Parham KA, Kim GN, Richer CG, et al. Monovalent and trivalent VSV-based COVID-19 vaccines elicit neutralizing antibodies and CD8+ T cells against SARS-CoV-2 variants. iScience. 2023;26(4):106292. doi:https://doi.org/10.1016/j.isci.2023.106292
dc.identifier.doi
https://doi.org/10.1016/j.isci.2023.106292
dc.identifier.issn
2589-0042
dc.identifier.uri
https://open-science.canada.ca/handle/123456789/1984
dc.language.iso
en
dc.publisher
CellPress
dc.relation.isversionof - en
https://open-science.canada.ca/handle/123456789/1935
dc.rights - en
Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International (CC BY-NC-ND 4.0)
dc.rights - fr
Creative Commons Attribution - Pas d'utilisation commerciale - Pas de modification 4.0 International (CC BY-NC-ND 4.0)
dc.rights.openaccesslevel - en
Gold
dc.rights.openaccesslevel - fr
Or
dc.rights.uri - en
https://creativecommons.org/licenses/by-nc-nd/4.0/
dc.rights.uri - fr
https://creativecommons.org/licenses/by-nc-nd/4.0/deed.fr
dc.subject - en
Health
dc.subject - fr
Santé
dc.subject.en - en
Health
dc.subject.fr - fr
Santé
dc.title - en
Monovalent and trivalent VSV-based COVID-19 vaccines elicit neutralizing antibodies and CD8+ T cells against SARS-CoV-2 variants
dc.type - en
Article
dc.type - fr
Article
local.acceptedmanuscript.articlenum
106292
local.article.journalissue
4
local.article.journaltitle
iScience
local.article.journalvolume
26
local.peerreview - en
Yes
local.peerreview - fr
Oui
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