Novel Nanoparticle SARS-CoV-2 Vaccine Combines Immune Focusing and Self-assembling Nanoparticles to Elicit More Potent Protection
Excerpt from the Press Release:
PHILADELPHIA — (Feb. 1, 2022) — The first generation of COVID-19 vaccines have been highly effective, but also have limitations: their efficacy can wane without a booster shot, and they may be less effective against some variants. Now scientists at The Wistar Institute have developed a more targeted vaccine that, in animal studies, shows stronger, broader, and more durable protection in a single, low dose.
The vaccine combines three technologies – immune focusing, self-assembling nanoparticles, and DNA delivery – into a single platform for the first time. In addition to its other advantages, the vaccine could be stored at room temperature, making it potentially easier to transport to remote or developing locations than existing mRNA vaccines, which require specialized cold storage.
“This is among the first next-generation vaccines that will have more advanced features and broader protection,” said Daniel Kulp, Ph.D., associate professor in the Vaccine & Immunotherapy Center at The Wistar Institute and corresponding author of the study.
The paper, “Nucleic acid delivery of immune-focused SARS-CoV-2 nanoparticles drive rapid and potent immunogenicity capable of single-dose protection,” was published in the journal Cell Reports.
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