S100A16 and cutaneous melanoma: The expression of S100A16 was down-regulated in ACC (Adrenocortical carcinoma), ESCA (Esophageal carcinoma), KICH (Kidney Chromophobe), PRAD (Prostate adenocarcinoma), SKCM (Skin Cutaneous Melanoma), and TGCT (Testicular Germ Cell Tumors) (Figure 6A).