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A conserved immunogenic and vulnerable site on the coronavirus spike protein delineated by cross-reactive monoclonal antibodies
oleh: Chunyan Wang, Rien van Haperen, Javier Gutiérrez-Álvarez, Wentao Li, Nisreen M. A. Okba, Irina Albulescu, Ivy Widjaja, Brenda van Dieren, Raul Fernandez-Delgado, Isabel Sola, Daniel L. Hurdiss, Olalekan Daramola, Frank Grosveld, Frank J. M. van Kuppeveld, Bart L. Haagmans, Luis Enjuanes, Dubravka Drabek, Berend-Jan Bosch
Format: | Article |
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Diterbitkan: | Nature Portfolio 2021-03-01 |
Deskripsi
Here, the authors report the isolation and characterization of two human monoclonal antibodies (mAbs) from immunized mice with trimeric spike ectodomains of three human betacoronaviruses HCoV-OC43, SARS-CoV and MERSCoV, and show that while exhibiting cross-reactivity, the mAbs only neutralize MERS-CoV but not SARS-CoV nor SARS-CoV-2, likely due to the subtle epitope differences in the spike S2 fusion subunit.