Experiments in the human melanoma cell line MeWo and its metastatic variant MeM 50-10 demonstrated increasing expression of HLA class I antigen with IFN-α (2000 units/mL), IFN-β (3000 units/mL), and IFN-γ (1000 units/mL) treatment, respectively. Here, IFNA1 is linked to melanoma.