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. 2017 Sep 21;152(4):660–676. doi: 10.1111/imm.12808

Figure 5.

Figure 5

Programmed death 1 (PD‐1) expression on CD8+ CD57+ T cells is associated with reduced cytotoxicity to p815 murine cell line and to autologous Epstein–Barr virus (EBV) ‐infected B‐lymphoblastoid cell lines (B‐LCL). D Death of p815 cell lines (a) and autologous EBV‐infected B‐LCL (b) were correlated to PD‐1 expression and to effector : target cell ratio (E‐T). Linear correlation between delta of death of p815 cell lines (c) and of autologous EBV B‐LCL (d) and PD‐1 expression at several effector : target cell ratios.