The receptor PD-1 controls follicular regulatory T cells in the lymph nodes and blood

Abstract

CD4+CXCR5+Foxp3+ follicular regulatory T cells (TFR cells) inhibit humoral immunity mediated by CD4+CXCR5+Foxp3− follicular helper T cells (TFH cells). Although the inhibitory receptor PD-1 is expressed by both cell types, its role in the differentiation of TFR cells is unknown. Here we found that mice deficient in PD-1 and its ligand PD-L1 had a greater… (More)
DOI: 10.1038/ni.2496

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