Synergistic effects of interferon-alpha in combination with chemoradiation on human pancreatic adenocarcinoma

Figure 5 Immunophenotyping of tumor cells Tumor cells were treated as described. Expression of MHC molecules was analyzed after five-day treatment by flow cytometry (A). B) shows the influence of IFN-α in combination treatments. Values of treatments without IFN-α were subtracted from values after combination treatment. Data is shown as mean±SD error from eight cell lines each with at least four separate experiments. ^aP<0.05 was labeled with an asterisk and ^bP<0.01 with two asterisks.