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2020 ; 182
(4
): 843-854.e12
Nephropedia Template TP
gab.com Text
Twit Text FOAVip
Twit Text #
English Wikipedia
Longitudinal Isolation of Potent Near-Germline SARS-CoV-2-Neutralizing Antibodies
from COVID-19 Patients
#MMPMID32673567
Kreer C
; Zehner M
; Weber T
; Ercanoglu MS
; Gieselmann L
; Rohde C
; Halwe S
; Korenkov M
; Schommers P
; Vanshylla K
; Di Cristanziano V
; Janicki H
; Brinker R
; Ashurov A
; Krähling V
; Kupke A
; Cohen-Dvashi H
; Koch M
; Eckert JM
; Lederer S
; Pfeifer N
; Wolf T
; Vehreschild MJGT
; Wendtner C
; Diskin R
; Gruell H
; Becker S
; Klein F
Cell
2020[Aug]; 182
(4
): 843-854.e12
PMID32673567
show ga
The SARS-CoV-2 pandemic has unprecedented implications for public health, social
life, and the world economy. Because approved drugs and vaccines are limited or
not available, new options for COVID-19 treatment and prevention are in high
demand. To identify SARS-CoV-2-neutralizing antibodies, we analyzed the antibody
response of 12 COVID-19 patients from 8 to 69 days after diagnosis. By screening
4,313 SARS-CoV-2-reactive B cells, we isolated 255 antibodies from different time
points as early as 8 days after diagnosis. Of these, 28 potently neutralized
authentic SARS-CoV-2 with IC(100) as low as 0.04 ?g/mL, showing a broad spectrum
of variable (V) genes and low levels of somatic mutations. Interestingly,
potential precursor sequences were identified in naive B cell repertoires from 48
healthy individuals who were sampled before the COVID-19 pandemic. Our results
demonstrate that SARS-CoV-2-neutralizing antibodies are readily generated from a
diverse pool of precursors, fostering hope for rapid induction of a protective
immune response upon vaccination.