El inhibidor de la JAK, tofacitinib, reduce la capacidad estimulante de linfocitos T de las células dendríticas derivadas de monocitos

Ann Rheum Dis 2013. doi: 10.1136/annrheumdis-2013-203756

The role of JAKs is highly important in lymphocyte differentiation, but their function in dendritic cells in unknown. In this study, the authors used tofacitinib, a JAK inhibitor, to assess the function of these kinases in dendritic cell activity. The results show that tofacitinib reduced the expression of CD80/CD86 by suppressing the activation of interferon regulatory factor (IRF)-7 and production of type 1 interferon (IFN), and also decreased T cell stimulatory capability. This suggests a novel mode of action for tofacitinib, and a highly important role for JAKs in dendritic cell differentiation.

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