Research Paper Volume 13, Issue 16 pp 20131—20148

Immune normalization strategy against suboptimal health status: safe and efficacious therapy using mixed-natural killer cells

The expression of PD-1 or CTLA-4 in T cells and NK cells of PBMC. (A) PD-1 was expressed on peripheral T cells (including CD3+CD4+ T cells and CD3+CD8+ T cells), but CTLA-4 was not. (B) PD-1 and CTLA-4 were not expressed on peripheral NK cells.

Figure 5. The expression of PD-1 or CTLA-4 in T cells and NK cells of PBMC. (A) PD-1 was expressed on peripheral T cells (including CD3+CD4+ T cells and CD3+CD8+ T cells), but CTLA-4 was not. (B) PD-1 and CTLA-4 were not expressed on peripheral NK cells.