SCG2 and hydrops fetalis: Finally, levels of the SgII protease PC1/3 were potently increased in both the left and right ventricle of HF animals, while the active form of the SgII protease PC2 (68 kDa) [19] was only increased in infarcted LV tissue of HF animals (110% increase, p = 0.02) (Figure 3C).