SLC3A2 and SLC7A5 have been found to be highly expressed in various types of tumors or cancer cells, and they have been shown to exert pro-cancer effects in a variety of cancers through multiple pathways (Furuya et al. 2012; Kaira et al. 2009; Liang et al. 2011). The gene discussed is SLC3A2; the disease is cancer.