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Azarias Da Silva, Marne; Nioche, Pierre; Soudaramourty, Calaiselvy; Bull-Maurer, Anne; Tiouajni, Mounira; Kong, Dechuan; Zghidi-Abouzid, Ouafa; Picard, Morgane; Mendes-Frias, Ana; Santa-Cruz, André; Carvalho, Alexandre; Capela, Carlos; Pedrosa, Jorge; Castro, António Gil; Loubet, Paul; Sotto, Albert; Muller, Laurent; Lefrant, Jean-Yves; Roger, Claire; Claret, Pierre-Géraud; Duvnjak, Sandra; Tran, Tu-Anh; Tokunaga, Kenzo; Silvestre, Ricardo; [...]

Repetitive mRNA vaccination is required to improve the quality of broad-spectrum anti–SARS-CoV-2 antibodies in the absence of CXCL13

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  • Medientyp: E-Artikel
  • Titel: Repetitive mRNA vaccination is required to improve the quality of broad-spectrum anti–SARS-CoV-2 antibodies in the absence of CXCL13
  • Beteiligte: Azarias Da Silva, Marne; Nioche, Pierre; Soudaramourty, Calaiselvy; Bull-Maurer, Anne; Tiouajni, Mounira; Kong, Dechuan; Zghidi-Abouzid, Ouafa; Picard, Morgane; Mendes-Frias, Ana; Santa-Cruz, André; Carvalho, Alexandre; Capela, Carlos; Pedrosa, Jorge; Castro, António Gil; Loubet, Paul; Sotto, Albert; Muller, Laurent; Lefrant, Jean-Yves; Roger, Claire; Claret, Pierre-Géraud; Duvnjak, Sandra; Tran, Tu-Anh; Tokunaga, Kenzo; Silvestre, Ricardo; [...]
  • Erschienen: American Association for the Advancement of Science (AAAS), 2023
  • Erschienen in: Science Advances
  • Sprache: Englisch
  • DOI: 10.1126/sciadv.adg2122
  • ISSN: 2375-2548
  • Schlagwörter: Multidisciplinary
  • Entstehung:
  • Anmerkungen:
  • Beschreibung: <jats:p>Since the initial spread of severe acute respiratory syndrome coronavirus 2 infection, several viral variants have emerged and represent a major challenge for immune control, particularly in the context of vaccination. We evaluated the quantity, quality, and persistence of immunoglobulin G (IgG) and IgA in individuals who received two or three doses of messenger RNA (mRNA) vaccines, compared with previously infected vaccinated individuals. We show that three doses of mRNA vaccine were required to match the humoral responses of preinfected vaccinees. Given the importance of antibody-dependent cell-mediated immunity against viral infections, we also measured the capacity of IgG to recognize spike variants expressed on the cell surface and found that cross-reactivity was also strongly improved by repeated vaccination. Last, we report low levels of CXCL13, a surrogate marker of germinal center activation and formation, in vaccinees both after two and three doses compared with preinfected individuals, providing a potential explanation for the short duration and low quality of Ig induced.</jats:p>
  • Zugangsstatus: Freier Zugang