Fig. 3From: Optimizing interleukin-2 concentration, seeding density and bead-to-cell ratio of T-cell expansion for adoptive immunotherapyCPD of T cells when cultured in various cell densities. Graph (a) compares the trend of expansion in different groups. On day 28, the highest and lowest expansion rates occurred in 250 × 103 and 1.5 × 106 cell/mL, respectively (b)Back to article page