MXRA8 and breast carcinoma: 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).