However, we found underexpression of EEF2 and GLRX2 proteins involved in ROS; MTX2 in MMO; USP30 in MIT; TSPO in MIT and PPM processes; BAX in FUS; and MTFR1L and MIEF1 in FIS compared to luminal A and basal-like breast cancer tumors. Here, MIEF1 is linked to breast cancer.