Those findings provided evidence that unfertilized eggs and embryonic stem cells contain factors that can confer pluripotency to differentiated cells, Yamanaka said.

• 我们推测这些成分对维持胚胎干细胞的同一性至关重要，并且在诱导其它肌体细胞具有全能性的过程中扮演关键角色。”