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The Generation of Definitive Endoderm from Human Embryonic Stem Cells is Initially Independent from Activin A but Requires Canonical Wnt-Signaling

Requires Canonical Wnt-signalingCell LineageDevelopmental BiologyMedicineAdult Stem CellStem Cell ResearchMorphogenesisDefinitive EndodermActivin AStem CellsCell BiologyEmbryonic Stem CellExtracellular Matrix