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Deprecated: Implicit conversion from float 231.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Sci+Rep 2021 ; 11 (1): 9682 Nephropedia Template TP
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Rapid development of neutralizing and diagnostic SARS-COV-2 mouse monoclonal antibodies #MMPMID33958613
Chapman AP; Tang X; Lee JR; Chida A; Mercer K; Wharton RE; Kainulainen M; Harcourt JL; Martines RB; Schroeder M; Zhao L; Bryksin A; Zhou B; Bergeron E; Bollweg BC; Tamin A; Thornburg N; Wentworth DE; Petway D; Bagarozzi DA Jr; Finn MG; Goldstein JM
Sci Rep 2021[May]; 11 (1): 9682 PMID33958613show ga
The need for high-affinity, SARS-CoV-2-specific monoclonal antibodies (mAbs) is critical in the face of the global COVID-19 pandemic, as such reagents can have important diagnostic, research, and therapeutic applications. Of greatest interest is the ~ 300 amino acid receptor binding domain (RBD) within the S1 subunit of the spike protein because of its key interaction with the human angiotensin converting enzyme 2 (hACE2) receptor present on many cell types, especially lung epithelial cells. We report here the development and functional characterization of 29 nM-affinity mouse SARS-CoV-2 mAbs created by an accelerated immunization and hybridoma screening process. Differing functions, including binding of diverse protein epitopes, viral neutralization, impact on RBD-hACE2 binding, and immunohistochemical staining of infected lung tissue, were correlated with variable gene usage and sequence.