The high levels observed in DCM and ICM patients of RRBP1 (Fig. 3B), kinectin (Fig. 3D), and Nogo A+B proteins (Fig. 4C), were distributed in the same diffuse pattern in the cytoplasm of the cardiomyocytes in both, patients and CNT group. Here, KTN1 is linked to familial dilated cardiomyopathy.