IFNG and melanoma: We have also emphasized on considering the involvement of IFN-γ pathway variations in different melanoma cells as previously described.39 To this end, we turned to CCLE database40 and found that there were transcriptional data of six melanoma cell lines that are also currently available in our laboratory (A2058, UACC62, UACC257, A375, Hs294T and WM793B) (online supplemental table S2).