Figure 2

T-cell subsets ranked by increasing (median±SEM) EC50.
Red and green boxes identify subsets with the highest (>20 μg/ml) and lowest (<10 μg/ml) EC50 values, respectively. T = T-cell, Tc = T-cytotoxic cell, Th = T-helper cell, M = memory, N = naïve, Dn=double negative T-cell (CD3 + CD4-CD8-).