According to the Cancer Cell Line Encyclopedia (CCLE) database, MXRA8 is highly expressed on HepG2 (hepatocellular carcinoma) and Hs578T (breast carcinoma) cells, but not detectable on HeLa (cervical carcinoma) or HT29 (colorectal carcinoma) cells (Supplementary Fig. 2a). The gene discussed is MXRA8; the disease is hepatocellular carcinoma.