Western blot analysis of extracts of mouse testis, using HDGFRP2 antibody (A12127) at 1:1,000 dilution. Secondary antibody: Goat Anti-Rabbit IgG (H+L) (HRP) (A17345) at 1:10,000 dilution. Lysates/proteins: 25µg per lane. Blocking buffer: 3% non-fat dry milk in TBST. Detection: ECL Basic Kit. Exposure time: 30s.