Swine, human or avian influenza viruses differentially activates porcine dendritic cells cytokine profile

Tufária Mussá, Maria Ballester, Erika Silva-Campa, Massimiliano Baratelli, Núria Busquets, Marie Pier Lecours, Javier Dominguez, Massimo Amadori, Lorenzo Fraile, Jesús Hernández, María Montoya

    Research output: Contribution to journalArticleResearchpeer-review

    12 Citations (Scopus)

    Abstract

    Swine influenza virus (SwIV) is considered a zoonosis and the fact that swine may act as an intermediate reservoir for avian influenza virus, potentially infectious for humans, highlights its relevance and the need to understand the interaction of different influenza viruses with the porcine immune system. Thus, in vitro porcine bone marrow-derived dendritic cell (poBMDCs) were infected with a circulating SwIV A/Swine/Spain/SF32071/2007(H3N2), 2009 human pandemic influenza virus A/Catalonia/63/2009(H1N1), low pathogenic avian influenza virus (LPAIV) A/Anas plathyrhynchos/Spain/1877/2009(aH7N2) or high pathogenic avian influenza virus (HPAIV) A/Chicken/Italy/5093/1999(aH7N1). Swine influenza virus H3N2 infection induced an increase of SLA-I and CD80/86 at 16 and 24. h post infection (hpi), whereas the other viruses did not. All viruses induced gene expression of NF-κB, TGF- β, IFN-β and IL-10 at the mRNA level in swine poBMDCs to different extents and in a time-dependent manner. All viruses induced the secretion of IL-12 mostly at 24. hpi whereas IL-18 was detected at all tested times. Only swH3N2 induced IFN-α in a time-dependent manner. Swine H3N2, aH7N2 and aH7N1 induced secretion of TNF-α also in a time-dependent manner. Inhibition of NF-κB resulted in a decrease of IFN-α and IL-12 secretion by swH3N2-infected poBMDC at 24. hpi, suggesting a role of this transcription factor in the synthesis of these cytokines. Altogether, these data might help in understanding the relationship between influenza viruses and porcine dendritic cells in the innate immune response in swine controlled through soluble mediators and transcription factors. © 2013 Elsevier B.V.
    Original languageEnglish
    Pages (from-to)25-35
    JournalVeterinary Immunology and Immunopathology
    Volume154
    Issue number1-2
    DOIs
    Publication statusPublished - 15 Jul 2013

    Keywords

    • Cytokines
    • Dendritic cells
    • Influenza virus
    • Transcription factors

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