The SARS-COV-2 Spike Protein Binds Sialic Acids and Enables Rapid Detection in a Lateral Flow Point of Care Diagnostic Device

[Image: see text] There is an urgent need to understand the behavior of the novel coronavirus (SARS-COV-2), which is the causative agent of COVID-19, and to develop point-of-care diagnostics. Here, a glyconanoparticle platform is used to discover that N-acetyl neuraminic acid has affinity toward the...

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Detalles Bibliográficos
Autores principales: Baker, Alexander N., Richards, Sarah-Jane, Guy, Collette S., Congdon, Thomas R., Hasan, Muhammad, Zwetsloot, Alexander J., Gallo, Angelo, Lewandowski, Józef R., Stansfeld, Phillip J., Straube, Anne, Walker, Marc, Chessa, Simona, Pergolizzi, Giulia, Dedola, Simone, Field, Robert A., Gibson, Matthew I.
Formato: Online Artículo Texto
Lenguaje:English
Publicado: American Chemical Society 2020
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7523238/
https://www.ncbi.nlm.nih.gov/pubmed/33269329
http://dx.doi.org/10.1021/acscentsci.0c00855
Descripción
Sumario:[Image: see text] There is an urgent need to understand the behavior of the novel coronavirus (SARS-COV-2), which is the causative agent of COVID-19, and to develop point-of-care diagnostics. Here, a glyconanoparticle platform is used to discover that N-acetyl neuraminic acid has affinity toward the SARS-COV-2 spike glycoprotein, demonstrating its glycan-binding function. Optimization of the particle size and coating enabled detection of the spike glycoprotein in lateral flow and showed selectivity over the SARS-COV-1 spike protein. Using a virus-like particle and a pseudotyped lentivirus model, paper-based lateral flow detection was demonstrated in under 30 min, showing the potential of this system as a low-cost detection platform.

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