Fig. 3From: Direct cell reprogramming for tissue engineering and regenerative medicinea Cell morphology at Day 0 (left) and Day 18 (right) after induction. b Immunofluorescent staining of MAP2 (green). c Immunofluorescent staining of synapsin-1(green). d Traces of spontaneous action potentials in the reprogrammed cells. E) Repetitive trains of evoke action potentials in the reprogrammed cells [22]Back to article page