Furthermore, LAT1 is overexpressed in human tumors such as cholangiocarcinoma, malignant glioma, multiple myeloma, and lung, bladder, bone, pancreas, thyroid, prostate, uterine cervical, breast cancer and other malignancies as compared to benign tissue used as the control (9,16,35–37). The gene discussed is SLC7A5; the disease is breast carcinoma.