Western Blot. Positive WB detected in: Rat Heart tissue, Rat Liver tissue, Rat Spleen tissue, Rat Lung tissue, Rat Kidney tissue, Rat Brain tissue, Rat Stomach tissue. All lanes: Apoa1 antibody at 1:2000. Secondary. Goat polyclonal to rabbit IgG at 1/50000 dilution. Predicted band size: 31 kDa. Observed band size: 31 kDa.