Assertion: embryo's stem cell | /r/HasProperty | grown on disc
Facets:
value: with bone morphogenesis protein
type: OTHER
Source sentences:
text: In 2014, by treating human embryonic stem cells grown on discs with bone morphogenesis protein 4 (BMP4, so named because this class of growth factors was originally found to induce bone and cartilage development), they caused the cells to differentiate and organize themselves into concentric rings of embryonic tissue layers.