SLC23A2 and cancer: Mitochondrial SVCT2 was previously described in U937 cells (Azzolini et al., 2013) and HEK293 cells (Munoz-Montesino et al., 2014) and it was also observed in various cancer derived cell lines from different origin, where the presence of SVCT2 is always link to the mitochondria (Pena et al., 2019).