Article ; Online: Comprehensive mapping of immune perturbations associated with severe COVID-19.
Science immunology
2020 Volume 5, Issue 49
Abstract: ... correlates of severe COVID-19 remain unclear. Here, we comprehensively analyzed peripheral blood immune ... severe COVID-19 cases from healthy donors or SARS-CoV-2-recovered or moderate severity patients. We found ... Although critical illness has been associated with SARS-CoV-2-induced hyperinflammation, the immune ...
Abstract | Although critical illness has been associated with SARS-CoV-2-induced hyperinflammation, the immune correlates of severe COVID-19 remain unclear. Here, we comprehensively analyzed peripheral blood immune perturbations in 42 SARS-CoV-2 infected and recovered individuals. We identified extensive induction and activation of multiple immune lineages, including T cell activation, oligoclonal plasmablast expansion, and Fc and trafficking receptor modulation on innate lymphocytes and granulocytes, that distinguished severe COVID-19 cases from healthy donors or SARS-CoV-2-recovered or moderate severity patients. We found the neutrophil to lymphocyte ratio to be a prognostic biomarker of disease severity and organ failure. Our findings demonstrate broad innate and adaptive leukocyte perturbations that distinguish dysregulated host responses in severe SARS-CoV-2 infection and warrant therapeutic investigation. |
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MeSH term(s) | Aged ; B-Lymphocyte Subsets/immunology ; Betacoronavirus/immunology ; COVID-19 ; Clonal Selection, Antigen-Mediated/immunology ; Coronavirus Infections/immunology ; Coronavirus Infections/pathology ; Cytokines/metabolism ; Female ; Humans ; Immunity, Innate/immunology ; Immunologic Memory/immunology ; Lymphocyte Activation/immunology ; Lymphocyte Count ; Male ; Middle Aged ; Neutrophils/immunology ; Pandemics ; Pneumonia, Viral/immunology ; Pneumonia, Viral/pathology ; SARS-CoV-2 ; T-Lymphocytes/immunology |
Chemical Substances | Cytokines |
Keywords | covid19 |
Language | English |
Publishing date | 2020-07-15 |
Publishing country | United States |
Document type | Journal Article ; Research Support, N.I.H., Extramural ; Research Support, Non-U.S. Gov't |
ISSN | 2470-9468 |
ISSN (online) | 2470-9468 |
DOI | 10.1126/sciimmunol.abd7114 |
Database | MEDical Literature Analysis and Retrieval System OnLINE |
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