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Deprecated: Implicit conversion from float 265.2 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Cell 2020 ; 183 (4): 1058-1069.e19 Nephropedia Template TP
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A Therapeutic Non-self-reactive SARS-CoV-2 Antibody Protects from Lung Pathology in a COVID-19 Hamster Model #MMPMID33058755
Kreye J; Reincke SM; Kornau HC; Sanchez-Sendin E; Corman VM; Liu H; Yuan M; Wu NC; Zhu X; Lee CD; Trimpert J; Holtje M; Dietert K; Stoffler L; von Wardenburg N; van Hoof S; Homeyer MA; Hoffmann J; Abdelgawad A; Gruber AD; Bertzbach LD; Vladimirova D; Li LY; Barthel PC; Skriner K; Hocke AC; Hippenstiel S; Witzenrath M; Suttorp N; Kurth F; Franke C; Endres M; Schmitz D; Jeworowski LM; Richter A; Schmidt ML; Schwarz T; Muller MA; Drosten C; Wendisch D; Sander LE; Osterrieder N; Wilson IA; Pruss H
Cell 2020[Nov]; 183 (4): 1058-1069.e19 PMID33058755show ga
The emergence of SARS-CoV-2 led to pandemic spread of coronavirus disease 2019 (COVID-19), manifesting with respiratory symptoms and multi-organ dysfunction. Detailed characterization of virus-neutralizing antibodies and target epitopes is needed to understand COVID-19 pathophysiology and guide immunization strategies. Among 598 human monoclonal antibodies (mAbs) from 10 COVID-19 patients, we identified 40 strongly neutralizing mAbs. The most potent mAb, CV07-209, neutralized authentic SARS-CoV-2 with an IC(50) value of 3.1 ng/mL. Crystal structures of two mAbs in complex with the SARS-CoV-2 receptor-binding domain at 2.55 and 2.70 A revealed a direct block of ACE2 attachment. Interestingly, some of the near-germline SARS-CoV-2-neutralizing mAbs reacted with mammalian self-antigens. Prophylactic and therapeutic application of CV07-209 protected hamsters from SARS-CoV-2 infection, weight loss, and lung pathology. Our results show that non-self-reactive virus-neutralizing mAbs elicited during SARS-CoV-2 infection are a promising therapeutic strategy.