Figure 7. Spot-Forming Cells (SFC) in Response to 40-Hour Stimulation With Recombinant HCV NS3 Protein (3 µg per mL) From Mice Immunized With pc-NS3 and Control Groups, pcDNA3.1 and PBS.

A, Numbers of IFN-Ƴ; B, IL-4; the mice were immunized by intradermal injections. The numbers of SFC were obtained from 10⁶ spleen cells. The results showed that pc-NS3 induced strong Th1 and Th2 immune response.