AKR1C1 and cancer: AKR1C1, PLA2G2E, CARTPT, and SLC5A1 have been shown to be abnormally expressed in cancer and influence prognosis (Zeng et al., 2017; Sato et al., 2014; Burgos, Iresjö & Smedh, 2016; Gao et al., 2019; Mojica, Luna-Vital & Gonzalez de Mejia, 2018; Lei et al., 2016).