DLK1 and cardiomyopathy: Since cardiomyopathy is mild in humans with 14q32 deletions (Dlk1 absence), yet severe in partial trisomy of 14q32 with Dlk1 overexpression,35, 36 we hence speculated whether abnormal high Dlk1 levels present either in the pericardium or the myocardium may impact the scarring process after MI.