The KISS1 was significantly upregulated in 13 cancers, including LUAD, COAD, COADREAD, BRCA, STES, STAD, UCEC, LIHC, THCA, READ, PAAD, BLCA, and CHOL (Figure 1a) (abbreviations could be seen in Supporting Information 1: File S1). Here, KISS1 is linked to cancer.