Fig. 1. Patients with tachycardiomyopathy show enhanced mRNA expression of mitochondrial fusion proteins. Relative mRNA expression levels in endomyocardial biopsies of patients with tachycardiomyopathy (TCM) and dilated cardiomyopathy (DCM) are shown, including mitochondrial fusion proteins Mfn1 (A), Mfn2 (B), and the upstream regulator PGC1a (C), as well as PINK1 (D). Drp1 (E), MFF (F), MiD49 (G), and MiD51 (H) are involved in mitochondrial fission. * indicates p<0.05, ns indicates p>0.05.