Covid skating away from BP mAbs. Time for Leronlim
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Posted On: 02/16/2022 5:52:43 PM
Covid skating away from BP mAbs. Time for Leronlimab.
SARS-CoV-2 Omicron BA.2 Variant Evades Neutralization by Therapeutic Monoclonal Antibodies
https://www.biorxiv.org/content/10.1101/2022.02.15.480166v1
“ A newly emerged variant, Omicron BA.2, containing the BA.1 mutations plus an additional 6 mutations and 3 deletions, 3 of which lie in the receptor binding domain, has been found to be spreading with increased transmissibility. We report here, using a spike protein-pseudotyped lentivirus assay, that Omicron BA.2 is not neutralized with detectable titer by any of the therapeutic monoclonal antibodies, including Sotrovimab and the Evusheld monoclonal antibodies. The results demonstrate the difficulty of identifying broadly neutralizing monoclonal antibodies against SARS-CoV-2 and the importance of the T cell response from which immunoevasion is more difficult.”
SARS-CoV-2 Omicron BA.2 Variant Evades Neutralization by Therapeutic Monoclonal Antibodies
https://www.biorxiv.org/content/10.1101/2022.02.15.480166v1
“ A newly emerged variant, Omicron BA.2, containing the BA.1 mutations plus an additional 6 mutations and 3 deletions, 3 of which lie in the receptor binding domain, has been found to be spreading with increased transmissibility. We report here, using a spike protein-pseudotyped lentivirus assay, that Omicron BA.2 is not neutralized with detectable titer by any of the therapeutic monoclonal antibodies, including Sotrovimab and the Evusheld monoclonal antibodies. The results demonstrate the difficulty of identifying broadly neutralizing monoclonal antibodies against SARS-CoV-2 and the importance of the T cell response from which immunoevasion is more difficult.”
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