ST8SIA1 and melanoma: Several reports have described the 5′-untranslated region (5′-UTR) of ST8SIA1 in melanoma [24], [25], glioblastoma [26] and neuroblastoma [27] cell lines, showing a unique transcript with transcription start sites (TSS) located 400 to 650 bp upstream the initiation codon on the first exon.