Figure 2
From: Evidence of CD4+ T cell-mediated immune pressure on the Hepatitis C virus genome

Intracellular cytokine staining indicates HCV-specific CD4+ T cell IFNγ response to peptide pool containing putative HLA-class II restricted epitopes. (a) TNFα and/or IFNγ production in antigen-specific CD4+ and CD8+ T cells. Top panel unstimulated and bottom panel peptide pool. (b) and (c) Specific peptide responses for subject 10032 and 10067, respectively.