Fig. 7From: Transplantation of human induced pluripotent stem cell-derived cardiomyocytes improves myocardial function and reverses ventricular remodeling in infarcted rat heartsTumorigenicity was evaluated by subcutaneous injection of 1 × 107 iPSC-CMs in nude mice. a Thirteen Nude mice were injected with 1 × 107 iPSC-CMs and did not develop tumors. b Twelve nude mice were injected with Hela cells (1 × 107) and were used as positive control group, which developed tumor at the site of injection. c, d Hematoxylin-eosin staining of the injected site in iPS-CM group (c) and positive control group (d)Back to article page