TAF4 and melanoma: Upon TAFH RNAi, silencing of TAFH_v1 mRNAs both in fibroblasts and melanoma SkMel28 and WM 266-4 cells promoted the expression of transcripts encoding isoforms without hTAF4-TAFH (Fig. 1c) that was also verified by changed patterns of TAF4 isoform expression (Fig. 2e).