Sentences with phrase «extraembryonic endoderm»

It is probable that these cells represent extraembryonic endoderm, and that they arise directly from stem cells primed to differentiation into this lineage.

Differentiation into extraembryonic endoderm [21] or neural progenitors [33] are frequent early outcomes of spontaneous differentiation when human ES cells are cultured in the presence of a feeder cell layer, and it is interesting to speculate that the cells are being primed for these fates.

Extraembryonic endoderm cells might secrete BMP and Wnt antagonists that enable neighboring cells in the center of the colony, well away from stem cell maintenance signals, to undergo anteriorization and neural commitment.