SLC25A27 (a.k.a Uncoupling Protein 4, UCP4), which, uncouples oxidation of substrates from ADP phosphorylation in mitochondria by modulating membrane potential, is a prognostic marker in breast cancer (Gonidi et al., 2011; Lytovchenko and Kunji 2017). Here, SLC25A27 is linked to breast cancer.