Fig. 3

The cytoplasmic expression of periostin (brown) in examined groups (periostin-negative cells stained blue; scale bar = 50 μm). a – DCM group: strong expression in interstitial tissue (arrows) with intensity scored 2; b – MMVD group: diffused cytoplasmic expression in cardiomyocyte (*) with mild expression in interstitial tissue (arrows); intensity of expression scored 1; c – control group: diffused cytoplasmic expression in cardiomyocyte (*); intensity of expression scored 1