As shown in Fig. 1C, three different AATs, SLC1A5/ASCT2, SLC7A5/LAT1, and SLC38A2/SNAT2, are upregulated at the mRNA level in many of the KRAS mutant CRC cell lines as compared to KRAS wt cell lines. This evidence concerns the gene SLC7A5 and colorectal carcinoma.