TNNT2 and familial dilated cardiomyopathy: Telomere shortening was also recapitulated in DCM hiPSC-CMs carrying several TTN and TNNT2 variants; however, this phenotypic trait was also present in HCM hiPSC-CMs with MYBPC3 and MYH7 mutations, being interpreted as a hallmark of genetic CMPs [61].