For instance, for us and other groups working on cardiac arrhythmias, it would be of great interest to induce homogenous overexpression of Cx43 in border zone cardiomyocytes or myofibroblasts of the scar area and to study the effects on ventricular arrhythmias after myocardial infarction. Here, GJA1 is linked to Ventricular arrhythmia.