TNNT2 and familial dilated cardiomyopathy: Previous investigations have demonstrated associations between DCM and δSG [57],LMNA [58],FLNC [59], desmoplakin (DSP) [60], MYBPC3, troponin T type 2 (TNNT2), myosin heavy polypeptide 7 (MYH7) [61], and PLN [62].