_____________ stem cells can produce only one cell type, their own, but have the property of self-renewal, which distinguishes them from non-stem cells (e.g. progenitor cells, which cannot self-renew).
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LIF and ________ are two polycomb family proteins.
Ahumanembryonicstemcell (ESC) is definedbytheexpressionofseveral__________________________andcellsurfaceproteins. Oct-4,Nanog,&Sox2formthecoreregulatorynetworkthatensuresthesuppressionofgenesthatleadtodifferentiationandthemaintenanceofpluripotency.
Duringembryonicdevelopmenttheinnercellmasscellscontinuouslydivideandbecomemore__________________.Withoutoptimalcultureconditionsorgeneticmanipulation,embryonicstemcellswillrapidlydifferentiate.
Embryonic stem cells (ESCs) requirespecificsignalsforcorrectdifferentiation—ifinjecteddirectlyintoanotherbody,ESCswilldifferentiateintomanydifferenttypesofcells,causinga____________.