Figure 1

Expression of HLA-DR and HLA-DQ molecules on HGF stimulated with or without IFN-γ. Cell surface expression of HLA-DR and HLA-DQ molecules (open histograms) by HGF were analyzed by immunostaining followed by flow cytometry analysis. HGFs were treated with (solid lines) or without (dotted lines) IFN-γ at 200 U/ml for 72 h. Basal fluorescence levels are indicated by shaded area when cells were stained with isotype-matched nonspecific IgG antibody. Representative data of two independent experiments from three donors are shown.