SLC7A11 and cancer: Wang et al. reported in a combined whole-exome sequencing and transcriptome sequencing study of CDC that many single nucleotide variations in cancer census genes, but also deletions of CDKN2A. In addition, RNA expression changes in members of the solute carrier (SLC) family, such as overexpression of SLC7A11 (cystine transporter, xCT), have been reported [8].