alexa Th2 cell-specific cytokine expression and allergen-induced airway inflammation depend on JunB.


Journal of Clinical & Cellular Immunology

Author(s): Hartenstein B, Teurich S, Hess J, Schenkel J, SchorppKistner M,

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Abstract Naïve CD4+ T cells differentiate into effector T helper 1 (Th1) or Th2 cells, which are classified by their specific set of cytokines. Here we demonstrate that loss of JunB in in vitro polarized Th2 cells led to a dysregulated expression of the Th2-specific cytokines IL-4 and IL-5. These cells produce IFN-gamma and express T-bet, the key regulator of Th1 cells. In line with the essential role of Th2 cells in the pathogenesis of allergic asthma, mice with JunB-deficient CD4+ T cells exhibited an impaired allergen-induced airway inflammation. This study demonstrates novel functions of JunB in the development of Th2 effector cells, for a normal Th2 cytokine expression pattern and for a complete Th2-dependent immune response in mice.
This article was published in EMBO J and referenced in Journal of Clinical & Cellular Immunology

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