Western blot analysis of extracts of various cell lines, using USO1 antibody (A2796) at 1:500 dilution. Secondary antibody: Goat Anti-Rabbit IgG (H+L) (HRP) (AS014) at 1:10,000 dilution. Lysates/proteins: 25µg per lane. Blocking buffer: 3% non-fat dry milk in TBST. Detection: ECL Basic Kit (RM00020). Exposure time: 90s.