Levels of pro-caspases-9, −8, and −3 in iDCM samples. (A). Levels of caspases in iDCM serum samples. (B). Levels of caspases in iDCM biopsies. (C). Histological estimation of necrosis in inflammation-negative EMB. (D). Histological estimation of necrosis in inflammation-positive EMB. Images are representative from one EMB of each group. Data are presented as means ± SE from at least three independent measurements. Data were considered significant at *P < 0.05.