EndodermNodal Signaling LigandsSOX Transcription FactorsEmbryonic InductionCell LineageSOXF Transcription FactorsCell DifferentiationEmbryonic Stem CellsGene Expression Regulation, DevelopmentalHepatocyte Nuclear Factor 3-betaNodal ProteinMesodermActivinsHomeodomain ProteinsGastrulaPrimitive StreakBody PatterningTranscription FactorsGerm LayersIn Situ HybridizationEmbryo, MammalianSignal TransductionWnt3 ProteinHMGB ProteinsPluripotent Stem CellsDigestive SystemMorphogenesisEmbryonic DevelopmentEctodermGastrulationFibroblast Growth Factor 4Trans-ActivatorsBlastocyst Inner Cell MassStem CellsDNA-Binding ProteinsGene Expression ProfilingEmbryoid BodiesReceptors, NotchLymphopoiesisMonocyte-Macrophage Precursor CellsCells, CulturedEmbryo, NonmammalianMice, TransgenicB-Cell-Specific Activator ProteinOrganogenesisCell LineBasic Helix-Loop-Helix Transcription FactorsEmbryonic and Fetal DevelopmentHematopoietic Stem CellsProsencephalonEnzyme InductionMolecular Sequence DataHorseradish PeroxidaseWnt ProteinsSOXB1 Transcription FactorsMultipotent Stem CellsPancreasBlastocystZebrafish ProteinsModels, BiologicalMice, Inbred C57BLZebrafishGene Expression RegulationOctamer Transcription Factor-3Mice, KnockoutFlow CytometryRepressor ProteinsCell Culture TechniquesXenopus ProteinsReverse Transcriptase Polymerase Chain ReactionHematopoiesisTransforming Growth Factor betaTranscription, GeneticHepatocytesEpigenesis, GeneticYolk SacGene ExpressionNuclear ProteinsBase SequenceGATA6 Transcription FactorVisceraGATA5 Transcription FactorChick EmbryoReceptor, Platelet-Derived Growth Factor alphaThymus GlandBone Morphogenetic ProteinsGATA Transcription FactorsRNA, MessengerCulture Media, Serum-FreeNeuronsT-Box Domain ProteinsGenes, HomeoboxDrosophila ProteinsPhylogenyNotochordMutationCell ProliferationB-LymphocytesBone Morphogenetic Protein 4Biological Markers