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Cytokine Profiles and Severity of Influenza Infection in Transplant Recipients

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  • Cytokine Profiles and Severity of Influenza Infection in Transplant Recipients

    J Infect Dis. 2018 Sep 5. doi: 10.1093/infdis/jiy535. [Epub ahead of print]
    Cytokine Profiles and Severity of Influenza Infection in Transplant Recipients.

    L'Huillier AG1, Ferreira VH1, Hirzel C1, Cordero E2, Limaye AP3, Reid G4, Englund J5, Blumberg E6, Kumar D1, Humar A1.
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    Abstract

    Influenza is responsible for significant morbidity after transplantation. We evaluated Th1/Th2 cytokines and IL-10 levels during influenza infection in the post-transplant setting. Sera from 277 transplant recipients were analyzed at influenza diagnosis and 28 days later for IFN-γ, IL-4, IL-13 and IL-10. IL-13 levels were associated with protection against pneumonia and ICU admission, whereas the IFN-γ/IL-13 ratio and IL-10 levels were associated with an increased risk of pneumonia and ICU admission. This association was independent of viral load. A skewing of immune responses towards Th2 in transplant patients appears to confer protection from severe influenza infection, independently of viral load.


    PMID: 30192949 DOI: 10.1093/infdis/jiy535
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