EndodermSOX Transcription FactorsNodal Signaling LigandsEmbryonic InductionSOXF Transcription FactorsHepatocyte Nuclear Factor 3-betaNodal ProteinEmbryonic Stem CellsActivinsGene Expression Regulation, DevelopmentalMesodermGastrulaPhenotypeGerm LayersCell DifferentiationPrimitive StreakDigestive SystemHMGB ProteinsBody PatterningCell LineageHomeodomain ProteinsIn Situ HybridizationEmbryo, MammalianMorphogenesisFibroblast Growth Factor 4GastrulationTranscription FactorsEmbryoid BodiesWnt3 ProteinSignal TransductionEmbryonic and Fetal DevelopmentEctodermVisceraEmbryonic DevelopmentPancreasPluripotent Stem CellsGATA6 Transcription FactorHorseradish PeroxidaseDNA-Binding ProteinsYolk SacEnzyme InductionGATA5 Transcription FactorProsencephalonEmbryo, NonmammalianTrans-ActivatorsCell LineCell Culture TechniquesMice, TransgenicCells, CulturedReverse Transcriptase Polymerase Chain ReactionGene Expression ProfilingMolecular Sequence DataZebrafish ProteinsTransforming Growth Factor betaGATA4 Transcription FactorMutationXenopus ProteinsZebrafishGATA Transcription FactorsGene ExpressionRNA, MessengerHigh Mobility Group ProteinsHepatocytesBase SequenceCulture Media, Serum-FreeNuclear ProteinsReceptor, Platelet-Derived Growth Factor alphaChick EmbryoT-Box Domain ProteinsBlastocystNotochord