PD-1 tempers Tregs in chronic HCV infection

The Common  -Chain Cytokines IL-2, IL-7, IL-15, and IL-21 Induce the Expression of Programmed Death-1 and Its Ligands

(2014) A. L. Kinter et al.   JOURNAL OF IMMUNOLOGY

PD-1 and Its Ligands in Tolerance and Immunity

(2008) Mary E. Keir et al.   Annual Review of Immunology

CD4 T cells: fates, functions, and faults

(2008) J. Zhu et al.   BLOOD

The kinetics of CD4+Foxp3+ T cell accumulation during a human cutaneous antigen-specific memory response in vivo

(2008) Milica Vukmanovic-Stejic et al.   JOURNAL OF CLINICAL INVESTIGATION

T cells with regulatory activity in hepatitis C virus infection: what we know and what we don't

(2008) Angela Dolganiuc et al.   JOURNAL OF LEUKOCYTE BIOLOGY

Enhancing SIV-specific immunity in vivo by PD-1 blockade

(2008) Vijayakumar Velu et al.   NATURE

The Foxp3+ regulatory T cell: a jack of all trades, master of regulation

(2008) Qizhi Tang et al.   NATURE IMMUNOLOGY