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Antigen stimulation of lymphocytes induces upregulation of phospholipase D (PLD) activity, but the biological significance of PLD-mediated signaling in T cells has not been well established. Here we demonstrate that PLD signaling is essential for proliferation of mouse CD8(+) T cells and CD4(+)CD25(-) T cells, but is not required for proliferation of(More)
Two signaling pathways known to be essential for progression from immature to mature B cells are BAFF receptor (BAFF-R) and the B cell receptor (BCR). Here, we first show that phospholipase C (PLC)-gamma2 is required for a BAFF-R-mediated survival signal. Then, we have examined the question of whether the reduced number of mature B cells in PLC-gamma2-/-(More)
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