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Larsen, Mads Delbo; de Graaf, Erik L.; Sonneveld, Myrthe E.; Plomp, H. Rosina; Nouta, Jan; Hoepel, Willianne; Chen, Hung-Jen; Linty, Federica; Visser, Remco; Brinkhaus, Maximilian; Šuštić, Tonći; de Taeye, Steven W.; Bentlage, Arthur E. H.; Toivonen, Suvi; Koeleman, Carolien A. M.; Sainio, Susanna; Kootstra, Neeltje A.; Brouwer, Philip J. M.; Geyer, Chiara Elisabeth; Derksen, Ninotska I. L.; Wolbink, Gertjan; de Winther, Menno; Sanders, Rogier W.; van Gils, Marit J.; [...]

Afucosylated IgG characterizes enveloped viral responses and correlates with COVID-19 severity

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  • Medientyp: E-Artikel
  • Titel: Afucosylated IgG characterizes enveloped viral responses and correlates with COVID-19 severity
  • Beteiligte: Larsen, Mads Delbo; de Graaf, Erik L.; Sonneveld, Myrthe E.; Plomp, H. Rosina; Nouta, Jan; Hoepel, Willianne; Chen, Hung-Jen; Linty, Federica; Visser, Remco; Brinkhaus, Maximilian; Šuštić, Tonći; de Taeye, Steven W.; Bentlage, Arthur E. H.; Toivonen, Suvi; Koeleman, Carolien A. M.; Sainio, Susanna; Kootstra, Neeltje A.; Brouwer, Philip J. M.; Geyer, Chiara Elisabeth; Derksen, Ninotska I. L.; Wolbink, Gertjan; de Winther, Menno; Sanders, Rogier W.; van Gils, Marit J.; [...]
  • Erschienen: American Association for the Advancement of Science (AAAS), 2021
  • Erschienen in: Science
  • Sprache: Englisch
  • DOI: 10.1126/science.abc8378
  • ISSN: 1095-9203; 0036-8075
  • Schlagwörter: Multidisciplinary
  • Entstehung:
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  • Beschreibung: <jats:title>A single sugar makes all the difference</jats:title> <jats:p> Antibodies are divided into several classes based on their nonvariable tail (Fc) domains. These regions interact with disparate immune cell receptors and complement proteins to help instruct distinct immune responses. The Fc domain of immunoglobulin G (IgG) antibodies contains a conserved N-linked glycan at position 297. However, the particular glycan used at this position is highly variable. IgG lacking core fucosylation at this position initiates enhanced antibody-dependent cellular cytotoxicity by increased affinity to the Fc receptor FcRIIIa. Larsen <jats:italic>et al.</jats:italic> report that COVID-19 patients with severe symptoms have increased levels of anti–severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) IgG afucosylation compared with patients with mild disease. These findings suggest that treatment of COVID-19 patients with fucosylated anti–SARS-CoV-2 antibodies may circumvent pathologies associated with severe COVID-19. </jats:p> <jats:p> <jats:italic>Science</jats:italic> , this issue p. <jats:related-article xmlns:xlink="http://www.w3.org/1999/xlink" ext-link-type="doi" related-article-type="in-this-issue" xlink:href="10.1126/science.abc8378">eabc8378</jats:related-article> </jats:p>