In total, 16 melanoma marker genes (S100A1, ABCB5, CDH19, MIA, SLC26A2, MCAM, S100A2, S100P, MAGEA4, TFAP2C, SFRP1, SERPINA3, CSPG4, TYRP1, IL13RA2, S100A7A) were highly expressed in melanomas with activating mutations (Figure 1A,C). Here, SFRP1 is linked to melanoma.