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Wang, Zijun; Muecksch, Frauke; Muenn, Friederike; Cho, Alice; Zong, Shuai; Raspe, Raphael; Ramos, Victor; Johnson, Brianna; Ben Tanfous, Tarek; DaSilva, Justin; Bednarski, Eva; Guzman-Cardozo, Camila; Turroja, Martina; Millard, Katrina G; Tober-Lau, Pinkus; Hillus, David; Yao, Kai-Hui; Shimeliovich, Irina; Dizon, Juan; Kaczynska, Anna; Jankovic, Mila; Gazumyan, Anna; Oliveira, Thiago Y; Caskey, Marina; Bieniasz, Paul D; Hatziioannou, Theodora; Kurth, Florian; Sander, Leif Erik; Nussenzweig, Michel C; Gaebler, Christian
The Journal of experimental medicine, 10/2022, Letnik: 219, Številka: 10Journal Article
The SARS-CoV-2 pandemic prompted a global vaccination effort and the development of numerous COVID-19 vaccines at an unprecedented scale and pace. As a result, current COVID-19 vaccination regimens comprise diverse vaccine modalities, immunogen combinations, and dosing intervals. Here, we compare vaccine-specific antibody and memory B cell responses following two-dose mRNA, single-dose Ad26.COV.2S, and two-dose ChAdOx1, or combination ChAdOx1/mRNA vaccination. Plasma-neutralizing activity, as well as the magnitude, clonal composition, and antibody maturation of the RBD-specific memory B cell compartments, showed substantial differences between the vaccination regimens. While individual monoclonal antibodies derived from memory B cells exhibited similar binding affinities and neutralizing potency against Wuhan-Hu-1 SARS-CoV-2, there were significant differences in epitope specificity and neutralizing breadth against viral variants of concern. Although the ChAdOx1 vaccine was inferior to mRNA and Ad26.COV.2S in several respects, biochemical and structural analyses revealed enrichment in a subgroup of memory B cell neutralizing antibodies with distinct RBD-binding properties resulting in remarkable potency and breadth.
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JCR | SNIP | JCR | SNIP | JCR | SNIP | JCR | SNIP |
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Povezave do osebnih bibliografij avtorjev | Povezave do podatkov o raziskovalcih v sistemu SICRIS |
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Vir: Osebne bibliografije
in: SICRIS
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