A novel systems immunology approach identifies the collective impact of five miRNAs in Th2 inflammation (mRNA)

Allergic asthma is a chronic inflammatory disease dominated by a CD4+ T helper 2 (Th2) cell signature. The immune response amplifies in self-enforcing loops, promoting Th2-driven cellular immunity and leaving the host unable to terminate inflammation. Posttranscriptional mechanisms, including miRNAs, are pivotal in maintaining immune-homeostasis. Since an altered expression of various miRNAs has been associated with T cell-driven diseases, including asthma, we hypothesized that miRNAs control mechanisms ensuring Th2 stability and maintenance in the lung. We isolated murine CD4+ Th2 cells from allergic inflamed lungs and profiled gene and microRNA expression.

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Kılıç A, Santolini M, Nakano T, Schiller M, Teranishi M, Gellert P, Ponomareva Y, Braun T, Uchida S, Weiss ST, Sharma A, Renz H