Western blotting was performed as previously described (Niemi et al., 2019 (link)). Antibodies used in this study include: anti-Pptc7 (Novus Biologicals, catalog #NBP1-90654, 1:1000 dilution, 48 hour incubation), anti-Citrate synthase (Cell Signaling Technologies, catalog #14309, 1:1000 dilution, overnight incubation), anti-beta actin (Abcam, catalog # ab170325, 1:1000 dilution, overnight incubation), anti-Bnip3 (rodent specific antibody, Cell Signaling Technologies, catalog #3769, 1:1000 dilution, 48 hour incubation), and anti-Nix (Cell Signaling Technologies, catalog #12396, 1:1000 dilution, overnight incubation).