Early effector maturation of naïve human CD8 + T cells requires mitochondrial biogenesis.
European journal of immunology(2018)
摘要
The role of mitochondrial biogenesis during naïve to effector differentiation of CD8 T cells remains ill explored. In this study, we describe a critical role for early mitochondrial biogenesis in supporting cytokine production of nascent activated human naïve CD8 T cells. Specifically, we found that prior to the first round of cell division activated naïve CD8 T cells rapidly increase mitochondrial mass, mitochondrial respiration, and mitochondrial reactive oxygen species (mROS) generation, which were all inter-linked and important for CD8 T cell effector maturation. Inhibition of early mitochondrial biogenesis diminished mROS dependent IL-2 production - as well as subsequent IL-2 dependent TNF, IFN-γ, perforin, and granzyme B production. Together, these findings point to the importance of mitochondrial biogenesis during early effector maturation of CD8 T cells.
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关键词
CD8+ T cells,Immunometabolism,Metabolism,Mitochondrial biogenesis,ROS
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