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Deprecated: Implicit conversion from float 227.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Science 2020 ; 369 (6504): 643-650 Nephropedia Template TP
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Potent neutralizing antibodies from COVID-19 patients define multiple targets of vulnerability #MMPMID32540902
Brouwer PJM; Caniels TG; van der Straten K; Snitselaar JL; Aldon Y; Bangaru S; Torres JL; Okba NMA; Claireaux M; Kerster G; Bentlage AEH; van Haaren MM; Guerra D; Burger JA; Schermer EE; Verheul KD; van der Velde N; van der Kooi A; van Schooten J; van Breemen MJ; Bijl TPL; Sliepen K; Aartse A; Derking R; Bontjer I; Kootstra NA; Wiersinga WJ; Vidarsson G; Haagmans BL; Ward AB; de Bree GJ; Sanders RW; van Gils MJ
Science 2020[Aug]; 369 (6504): 643-650 PMID32540902show ga
The rapid spread of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) has had a large impact on global health, travel, and economy. Therefore, preventative and therapeutic measures are urgently needed. Here, we isolated monoclonal antibodies from three convalescent coronavirus disease 2019 (COVID-19) patients using a SARS-CoV-2 stabilized prefusion spike protein. These antibodies had low levels of somatic hypermutation and showed a strong enrichment in VH1-69, VH3-30-3, and VH1-24 gene usage. A subset of the antibodies was able to potently inhibit authentic SARS-CoV-2 infection at a concentration as low as 0.007 micrograms per milliliter. Competition and electron microscopy studies illustrate that the SARS-CoV-2 spike protein contains multiple distinct antigenic sites, including several receptor-binding domain (RBD) epitopes as well as non-RBD epitopes. In addition to providing guidance for vaccine design, the antibodies described here are promising candidates for COVID-19 treatment and prevention.