Duanqing Pei and colleagues show that BMP signaling to histone H3 lysine 9 methylation is a barrier to reprogramming somatic cells into induced pluripotent cells (iPSCs) and that its removal promotes the formation of fully reprogrammed iPSCs from pre-iPSCs. pre-iPSCs exhibit pluripotent properties but do not activate the core pluripotent network.
- Jiekai Chen
- He Liu
- Duanqing Pei