ArticlemedRxiv : the preprint server for health sciences2020
Features and Functions of Systemic and Mucosal Humoral Immunity Among SARS-CoV-2 Convalescent Individuals.
Article in medRxiv : the preprint server for health sciences, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
What it found
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
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Who cites it
0 citing papers in PubMed, 16 citations in OpenAlex.
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Authors and funding
10 authors at 2 institutions in 1 country.
Funding
Abstract
Understanding humoral immune responses to SARS-CoV-2 infection will play a critical role in the development of vaccines and antibody-based interventions. We report systemic and mucosal antibody responses in convalescent individuals who experienced varying disease severity. Robust antibody responses to diverse SARS-CoV-2 antigens and evidence of elevated responses to endemic CoV were observed among convalescent donors. SARS-CoV-2-specific IgA and IgG responses were often negatively correlated, particularly in mucosal samples, suggesting subject-intrinsic biases in isotype switching. Assessment of antibody-mediated effector functions revealed an inverse correlation between systemic and mucosal neutralization activity and site-dependent differences in the isotype of neutralizing antibodies. Serum neutralization correlated with systemic anti-SARS-CoV-2 IgG and IgM response magnitude, while mucosal neutralization was associated with nasal SARS-CoV-2-specific IgA. These findings begin to map how diverse Ab characteristics relate to Ab functions and outcomes of infection, informing public health assessment strategies and vaccine development efforts.
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Registered trials
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