Figure S3. Reprogramming efficiency of human fibroblasts (HFF-1) after PC treatment (days 1–14). Relative levels of alkaline phosphatase (AP)-positive colonies with or without PC (25 μM) treatment after reprogramming. Data are presented as the mean ± SEM (n = 3). *P < 0.05; ***P < 0.005 (Student’s t test). (TIF 95 kb