SLC3A2 and non-small cell lung carcinoma: After screening the differentially expressed genes in the NSCLC cohort in the TCGA database, 660 genes with differential expression were identified between SLC3A2 high and low groups, including 446 up-regulated genes and 214 down-regulated genes, while 409 up-regulated genes and 210 down-regulated genes were identified between SLC7A5 high and low groups.