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Mitochondrial activity in T cells

Desdín-Mico G, Soto-Heredero G, Mittelbrunn M.

Mitochondrion. 2018 Jul;

41:51-57.
DOI: 10.1016/j.mito.2017.10.006
PMID: 29032101

Mitochondria fulfill important and diverse roles during the different stages of T cell adaptive responses. Here we discuss the role of the mitochondria in T cells from the initial steps of activation at the immune synapse to their participation in memory response and T cell exhaustion. Mitochondria are relocated to the immune synapse in order to supply local ATP and to aid calcium signaling. During expansion and proliferation, mitochondrial reactive oxygen species drive proliferation. Aerobic glycolysis, glutaminolysis and fatty acid oxidation regulate the program of differentiation into effector or regulatory T cell subsets, and mitochondrial remodeling proteins are required for the long-lasting phenotype of memory cells.

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