Regulation of lymphoid homeostasis by IL-2 receptor signals in vivo.

Abstract excerpt

High-affinity IL-2R signals are required for peripheral lymphoid homeostasis in vivo. We found that CD25 was required for regulation of peripheral T cells in mice bearing either the DO11.10 MHC class II-restricted TCR transgene or an Iabeta-null mutation, suggesting that MHC class I- and class II-dependent T cell subsets are regulated independently by IL-2R signals. In contrast, deregulation of serum IgG1 levels...

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