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10.1038/s41590-020-00828-7

http://scihub22266oqcxt.onion/10.1038/s41590-020-00828-7
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33169014!8130642!33169014
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suck abstract from ncbi


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pmid33169014      Nat+Immunol 2021 ; 22 (1): 67-73
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  • Proinflammatory IgG Fc structures in patients with severe COVID-19 #MMPMID33169014
  • Chakraborty S; Gonzalez J; Edwards K; Mallajosyula V; Buzzanco AS; Sherwood R; Buffone C; Kathale N; Providenza S; Xie MM; Andrews JR; Blish CA; Singh U; Dugan H; Wilson PC; Pham TD; Boyd SD; Nadeau KC; Pinsky BA; Zhang S; Memoli MJ; Taubenberger JK; Morales T; Schapiro JM; Tan GS; Jagannathan P; Wang TT
  • Nat Immunol 2021[Jan]; 22 (1): 67-73 PMID33169014show ga
  • Severe acute respiratory syndrome coronavirus 2 infections can cause coronavirus disease 2019 (COVID-19), which manifests with a range of severities from mild illness to life-threatening pneumonia and multi-organ failure. Severe COVID-19 is characterized by an inflammatory signature, including high levels of inflammatory cytokines, alveolar inflammatory infiltrates and vascular microthrombi. Here we show that patients with severe COVID-19 produced a unique serologic signature, including an increased likelihood of IgG1 with afucosylated Fc glycans. This Fc modification on severe acute respiratory syndrome coronavirus 2 IgGs enhanced interactions with the activating Fcgamma receptor FcgammaRIIIa; when incorporated into immune complexes, Fc afucosylation enhanced production of inflammatory cytokines by monocytes, including interleukin-6 and tumor necrosis factor. These results show that disease severity in COVID-19 correlates with the presence of proinflammatory IgG Fc structures, including afucosylated IgG1.
  • |Adolescent[MESH]
  • |Adult[MESH]
  • |Aged[MESH]
  • |COVID-19/*immunology/metabolism/virology[MESH]
  • |Child[MESH]
  • |Cytokines/*immunology/metabolism[MESH]
  • |Female[MESH]
  • |Glycosylation[MESH]
  • |Humans[MESH]
  • |Immunoglobulin G/*immunology/metabolism[MESH]
  • |Interleukin-6[MESH]
  • |Male[MESH]
  • |Middle Aged[MESH]
  • |Receptors, IgG/*immunology/metabolism[MESH]
  • |SARS-CoV-2/*immunology/metabolism/physiology[MESH]
  • |Severity of Illness Index[MESH]


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