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Protective immune trajectories in early viral containment of non-pneumonic SARS-CoV-2 infection

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Item Type:Article
Title:Protective immune trajectories in early viral containment of non-pneumonic SARS-CoV-2 infection
Creators Name:Pekayvaz, K., Leunig, A., Kaiser, R., Joppich, M., Brambs, S., Janjic, A., Popp, O., Nixdorf, D., Fumagalli, V., Schmidt, N., Polewka, V., Anjum, A., Knottenberg, V., Eivers, L., Wange, L.E., Gold, C., Kirchner, M., Muenchhoff, M., Hellmuth, J.C., Scherer, C., Rubio-Acero, R., Eser, T., Deák, F., Puchinger, K., Kuhl, N., Linder, A., Saar, K., Tomas, L., Schulz, C., Wieser, A., Enard, W., Kroidl, I., Geldmacher, C., von Bergwelt-Baildon, M., Keppler, O.T., Munschauer, M., Iannacone, M., Zimmer, R., Mertins, P., Hubner, N., Hoelscher, M., Massberg, S., Stark, K. and Nicolai, L.
Abstract:The antiviral immune response to SARS-CoV-2 infection can limit viral spread and prevent development of pneumonic COVID-19. However, the protective immunological response associated with successful viral containment in the upper airways remains unclear. Here, we combine a multi-omics approach with longitudinal sampling to reveal temporally resolved protective immune signatures in non-pneumonic and ambulatory SARS-CoV-2 infected patients and associate specific immune trajectories with upper airway viral containment. We see a distinct systemic rather than local immune state associated with viral containment, characterized by interferon stimulated gene (ISG) upregulation across circulating immune cell subsets in non-pneumonic SARS-CoV2 infection. We report reduced cytotoxic potential of Natural Killer (NK) and T cells, and an immune-modulatory monocyte phenotype associated with protective immunity in COVID-19. Together, we show protective immune trajectories in SARS-CoV2 infection, which have important implications for patient prognosis and the development of immunomodulatory therapies.
Keywords:Ambulatory Care, COVID-19, Cytokines, Gene Expression Regulation, Gene Regulatory Networks, Interferons, Natural Killer Cells, Longitudinal Studies, Monocytes, Nasopharynx, SARS-CoV-2, T-Lymphocytes / Immunology
Source:Nature Communications
ISSN:2041-1723
Publisher:Nature Publishing Group
Volume:13
Number:1
Page Range:1018
Date:23 February 2022
Official Publication:https://doi.org/10.1038/s41467-022-28508-0
PubMed:View item in PubMed

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