| Literature DB >> 34228725 |
Fiona Tea1, Alberto Ospina Stella2, Anupriya Aggarwal2, David Ross Darley3,4, Deepti Pilli1, Daniele Vitale5, Vera Merheb1, Fiona X Z Lee1, Philip Cunningham6, Gregory J Walker7, Christina Fichter2, David A Brown5,7, William D Rawlinson7,8,9, Sonia R Isaacs7, Vennila Mathivanan2, Markus Hoffmann10,11, Stefan Pöhlman10,11, Ohan Mazigi4,12, Daniel Christ4,12, Dominic E Dwyer7,13,14, Rebecca J Rockett13,14, Vitali Sintchenko7,13,14,15, Veronica C Hoad16, David O Irving16,17, Gregory J Dore2,3, Iain B Gosbell16,18, Anthony D Kelleher2, Gail V Matthews2,3, Fabienne Brilot1,14,19,20, Stuart G Turville2.
Abstract
The Severe Acute Respiratory Syndrome Coronavirus 2 (SARS-CoV-2) antibody neutralization response and its evasion by emerging viral variants and variant of concern (VOC) are unknown, but critical to understand reinfection risk and breakthrough infection following vaccination. Antibody immunoreactivity against SARS-CoV-2 antigens and Spike variants, inhibition of Spike-driven virus-cell fusion, and infectious SARS-CoV-2 neutralization were characterized in 807 serial samples from 233 reverse transcription polymerase chain reaction (RT-PCR)-confirmed Coronavirus Disease 2019 (COVID-19) individuals with detailed demographics and followed up to 7 months. A broad and sustained polyantigenic immunoreactivity against SARS-CoV-2 Spike, Membrane, and Nucleocapsid proteins, along with high viral neutralization, was associated with COVID-19 severity. A subgroup of "high responders" maintained high neutralizing responses over time, representing ideal convalescent plasma donors. Antibodies generated against SARS-CoV-2 during the first COVID-19 wave had reduced immunoreactivity and neutralization potency to emerging Spike variants and VOC. Accurate monitoring of SARS-CoV-2 antibody responses would be essential for selection of optimal responders and vaccine monitoring and design.Entities:
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Year: 2021 PMID: 34228725 DOI: 10.1371/journal.pmed.1003656
Source DB: PubMed Journal: PLoS Med ISSN: 1549-1277 Impact factor: 11.069