Application of Mesenchymal Stem Cell-Derived Cardiomyocytes as Bio-pacemakers: Current Status and Problems to Be Solved - Biopacemaking - page 153

Fig. 1. Action potentials in CMG cardiomyocytes. Action potential recordings obtained from
spontaneously beating cells at day 28 after 5-azacytidine treatment. Action potentials were
categorized into 2 groups; sinus node-like action potentials a , and ventricular cardiomyocyte-
like action potentials b . c All regenerated cardiomyocytes showed sinus node-like action
potentials at first, but with time a progressively higher proportion showed ventricular cardio-
myocyte-like action potentials (reprinted from [23]).