Detection the Frequencies of IL-17 expressing CD4+ T cells in PBMCs from CAHB patients (n = 61) and healthy controls (n = 32) cultured with or without rhIFN-α
2a by intracellular cytokine staining assay and FACS analysis. (A) Data from a representative patient. Numbers indicate percentages of positive cells in that quadrant. (B) Quantitative analysis of IL-17 -expressing CD4+ T cells. Columns represent mean values (mean + SEM).