Early embryos kept in check
Nature 552, 7684 (2017). doi:10.1038/d41586-017-07436-w
Authors: Julien G. Dumortier & Jean-Léon Maître
As pluripotent stem cells become primed to give rise to all bodily cell types, they begin to form the amniotic cavity in which the mammalian fetus will grow. A checkpoint that gates this transition has now been identified.