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

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creativework.keywords - en
SARS-CoV-2
COVID-19
Vaccine
Vesicular stomatitis virus
Neutralizing antibodies
CD8+ T cells
Spike protein
Variants of concern
dc.contributor.author
Parham, Kate A.
Kim, Gyoung Nyoun
Saeedian, Nasrin
Ninkov, Marina
Richer, Connor G.
Li, Yue
Wu, Kunyu
Rashu, Rasheduzzaman
Barr, Stephen D.
Arts, Eric J.
Haeryfar, S. M. Mansour
Kang, C. Yong
Troyer, Ryan M.
dc.date.accessioned
2024-02-13T15:55:08Z
dc.date.available
2024-02-13T15:55:08Z
dc.date.issued
2022-07-19
dc.date.submitted
2022-07-19
dc.description.abstract - en
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 in mice. rVSV-Wuhan and rVSV-Delta vaccines and a 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 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, Gyoung Nyoun Kim, Nasrin Saeedian, et al. Monovalent and trivalent VSV-based COVID-19 vaccines elicit potent neutralizing antibodies and immunodominant CD8+ T cells against diverse SARS-CoV-2 variants. bioRxiv (Cold Spring Harbor Laboratory). Published online July 19, 2022. doi:https://doi.org/10.1101/2022.07.19.500626
dc.identifier.doi
https://doi.org/10.1101/2022.07.19.500626
dc.identifier.uri
https://open-science.canada.ca/handle/123456789/1935
dc.language.iso
en
dc.publisher
bioRxiv
dc.relation.isversionof - en
https://open-science.canada.ca/handle/123456789/1984
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
Green
dc.rights.openaccesslevel - fr
Vert
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 potent neutralizing antibodies and immunodominant CD8+ T cells against diverse SARS-CoV-2 variants
dc.type - en
Article
dc.type - fr
Article
local.acceptedmanuscript.articlenum
500626
local.article.journaltitle
bioRxiv
local.peerreview - en
No
local.peerreview - fr
Non
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