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10.1038/s41467-021-22958-8

http://scihub22266oqcxt.onion/10.1038/s41467-021-22958-8
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33976165!8113594!33976165
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suck abstract from ncbi


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pmid33976165      Nat+Commun 2021 ; 12 (1): 2670
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  • Neutralizing antibody responses to SARS-CoV-2 in symptomatic COVID-19 is persistent and critical for survival #MMPMID33976165
  • Dispinseri S; Secchi M; Pirillo MF; Tolazzi M; Borghi M; Brigatti C; De Angelis ML; Baratella M; Bazzigaluppi E; Venturi G; Sironi F; Canitano A; Marzinotto I; Tresoldi C; Ciceri F; Piemonti L; Negri D; Cara A; Lampasona V; Scarlatti G
  • Nat Commun 2021[May]; 12 (1): 2670 PMID33976165show ga
  • Understanding how antibody responses to SARS-CoV-2 evolve during infection may provide important insight into therapeutic approaches and vaccination for COVID-19. Here we profile the antibody responses of 162 COVID-19 symptomatic patients in the COVID-BioB cohort followed longitudinally for up to eight months from symptom onset to find SARS-CoV-2 neutralization, as well as antibodies either recognizing SARS-CoV-2 spike antigens and nucleoprotein, or specific for S2 antigen of seasonal beta-coronaviruses and hemagglutinin of the H1N1 flu virus. The presence of neutralizing antibodies within the first weeks from symptoms onset correlates with time to a negative swab result (p = 0.002), while the lack of neutralizing capacity correlates with an increased risk of a fatal outcome (p = 0.008). Neutralizing antibody titers progressively drop after 5-8 weeks but are still detectable up to 8 months in the majority of recovered patients regardless of age or co-morbidities, with IgG to spike antigens providing the best correlate of neutralization. Antibody responses to seasonal coronaviruses are temporarily boosted, and parallel those to SARS-CoV-2 without dampening the specific response or worsening disease progression. Our results thus suggest compromised immune responses to the SARS-CoV-2 spike to be a major trait of COVID-19 patients with critical conditions, and thereby inform on the planning of COVID-19 patient care and therapy prioritization.
  • |Aged[MESH]
  • |Antibodies, Neutralizing/*immunology[MESH]
  • |Antibodies, Viral/immunology[MESH]
  • |Antibody Formation[MESH]
  • |Betacoronavirus/immunology[MESH]
  • |COVID-19/*immunology/*mortality/virology[MESH]
  • |Female[MESH]
  • |Humans[MESH]
  • |Immunoglobulin G/immunology[MESH]
  • |Kinetics[MESH]
  • |Longitudinal Studies[MESH]
  • |Male[MESH]
  • |Middle Aged[MESH]
  • |Neutralization Tests[MESH]
  • |SARS-CoV-2/*immunology/isolation & purification[MESH]
  • |Spike Glycoprotein, Coronavirus/immunology[MESH]


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