TYRP1 and melanoma: Similarly, we established a panel of four acral melanoma cell lines (SK-Mel709B, SK-Mel1094A, SK-Mel990A, and SK-Mel1107A), two of which presented high TYRP1 expression (Fig. 7d), in line with the frequency of TYRP1 overexpression observed in patient biopsies (Fig. 1d).