Fig. 3. Effect of the composition of the pH-sensitive polymer on the cytokine secretions of cells.
The levels of IL-6 and IFN-α from (A) splenocytes and (B) BC-1 cells after 24 h incubation with the indicated stimulants. 5 μg/ml of soluble CpG 2216 was used. The * indicates that the cytokine level was undetectable.
