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Moving out: mobilizing activated T cells from lymphoid tissues

The intensity of cytokine-induced signaling by the kinase PI(3)K subunit p110δ proves to be an important regulator of T cell migration patterns. High PI(3)K activity functions through the nutrient and bioenergetic sensor mTOR to modulate the transcription factor KLF2 and thereby the repertoire of tissue-homing receptors expressed on effector T cells.

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Figure 1: PI(3)K in T cell trafficking activity.

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G.B. and R.T.A. are employees of Wyeth.

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Berstein, G., Abraham, R. Moving out: mobilizing activated T cells from lymphoid tissues. Nat Immunol 9, 455–457 (2008). https://doi.org/10.1038/ni0508-455

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