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Influenza vaccination induces NK-cell-mediated type-II IFN response that regulates humoral immunity in an IL-6-dependent manner

  • Farsakoglu, Yagmur Institute for Research in Biomedicine (IRB), Faculty of Biomedical Sciences, Università della Svizzera italiana, Switzerland - Graduate School of Cellular and Molecular Sciences, Faculty of Medicine, University of Bern, Switzerland
  • Palomino-Segura, Miguel Institute for Research in Biomedicine (IRB), Faculty of Biomedical Sciences, Università della Svizzera italiana, Switzerland - Graduate School of Cellular and Molecular Sciences, Faculty of Medicine, University of Bern, Switzerland
  • Latino, Irene Institute for Research in Biomedicine (IRB), Faculty of Biomedical Sciences, Università della Svizzera italiana, Switzerland
  • Zanaga, Silvia Institute for Research in Biomedicine (IRB), Faculty of Biomedical Sciences, Università della Svizzera italiana, Switzerland
  • Chatziandreou, Nikolaos Institute for Research in Biomedicine (IRB), Faculty of Biomedical Sciences, Università della Svizzera italiana, Switzerland
  • Pizzagalli, Diego Ulisse Institute for Research in Biomedicine (IRB), Faculty of Biomedical Sciences, Università della Svizzera italiana, Switzerland - Institute of Computational Science (ICS), Faculty of Biomedical Sciences, Università della Svizzera italiana, Switzerland
  • Rinaldi, Andrea Institute of Oncology Research (IOR), Faculty of Biomedical Sciences, Università della Svizzera italiana, Switzerland
  • Bolis, Marco Institute of Oncology Research (IOR), Faculty of Biomedical Sciences, Università della Svizzera italiana, Switzerland - Laboratory of Molecular Biology, Instituto di Ricerche Farmacologiche Mario Negri IRCCS, Milano, Italy
  • Sallusto, Federica Institute for Research in Biomedicine (IRB), Faculty of Biomedical Sciences, Università della Svizzera italiana, Switzerland - Institute for Microbiology, ETH Zurich, Switzerland
  • Stein, Jens V. Theodor Kocher Institute (TKI), University of Bern, Switzerland
  • Gonzalez, Santiago F. Institute for Research in Biomedicine (IRB), Faculty of Biomedical Sciences, Università della Svizzera italiana, Switzerland
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    26.02.2019
Published in:
  • Cell reports. - 2019, vol. 26, no. 9, p. 2307-2315.e5
Natural killer cell
influenza vaccine
Type I IFN
IFNγ
IL-6
Dendritic cell
English The role of natural killer (NK) cells in the immune response against vaccines is not fully understood. Here, we examine the function of infiltrated NK cells in the initiation of the inflammatory response triggered by inactivated influenza virus vaccine in the draining lymph node (LN). We observed that, following vaccination, NK cells are recruited to the interfollicular and medullary areas of the LN and become activated by type I interferons (IFNs) produced by LN macrophages. The activation of NK cells leads to their early production of IFNγ, which in turn regulates the recruitment of IL-6+ CD11b+ dendritic cells. Finally, we demonstrate that the interleukin-6 (IL-6)-mediated inflammation is important for the development of an effective humoral response against influenza virus in the draining LN.
Language
  • English
Classification
Pathology, clinical medicine
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https://n2t.net/ark:/12658/srd1318945
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