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Proc Natl Acad Sci U S A ; 119(14): e2119093119, 2022 04 05.
Article in English | MEDLINE | ID: covidwho-1751830

ABSTRACT

SignificanceUsing SARS-CoV-2 as a relevant case study for infectious disease, we investigate the structure-function relationships that dictate antiviral spherical nucleic acid (SNA) vaccine efficacy. We show that the SNA architecture can be rapidly employed to target COVID-19 through incorporation of the receptor-binding domain, and that the resulting vaccine potently activates human cells in vitro and mice in vivo. Furthermore, when challenged with a lethal viral infection, only mice treated with the SNA vaccine survived. Taken together, this work underscores the importance of rational vaccine design for infectious disease to yield vaccines that elicit more potent immune responses to effectively fight disease.


Subject(s)
Communicable Disease Control , Nucleic Acids/immunology , Vaccines, DNA/immunology , Animals , Biotechnology , COVID-19/prevention & control , Communicable Disease Control/methods , Communicable Diseases/etiology , Communicable Diseases/immunology , Humans , Nucleic Acids/chemistry , SARS-CoV-2/immunology , Vaccine Development , Vaccines, DNA/genetics , Viral Vaccines/genetics , Viral Vaccines/immunology
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