Stem CellsGerm LayersEmbryonic Stem CellsHematopoietic Stem CellsStem Cell TransplantationPluripotent Stem CellsAdult Stem CellsCell DifferentiationHematopoietic Stem Cell TransplantationStem Cell NicheInduced Pluripotent Stem CellsNeural Stem CellsCell LineageGastrulaMultipotent Stem CellsMesenchymal Stem Cell TransplantationEndodermStem Cell FactorMesenchymal Stromal CellsBlastodermOctamer Transcription Factor-3Gene Expression Regulation, DevelopmentalEctodermEmbryo, MammalianStem Cell ResearchPrimitive StreakCells, CulturedPlant StemsFetal Stem CellsBlastocystGerm CellsMesodermCell ProliferationSOXB1 Transcription FactorsGastrulationHematopoietic Stem Cell MobilizationBlastocyst Inner Cell MassHomeodomain ProteinsNeoplastic Stem CellsNodal ProteinEmbryonic DevelopmentCell Culture TechniquesBone Marrow CellsSignal TransductionEmbryonic InductionChick EmbryoRegenerationChimeraCell SeparationMice, Inbred C57BLOtx Transcription FactorsNeural PlateRegenerative MedicineTransplantation, AutologousHematopoiesisBody PatterningPeripheral Blood Stem Cell TransplantationCell DedifferentiationCell TransplantationTotipotent Stem CellsAntigens, CD34Transcription FactorsTransplantation, HomologousFlow CytometryBone Morphogenetic Protein 4GATA6 Transcription FactorFibroblast Growth Factor 4Cell MovementMice, TransgenicModels, BiologicalEmbryoid BodiesNuclear ReprogrammingBiological MarkersIn Situ HybridizationReverse Transcriptase Polymerase Chain ReactionCell LineSpermatogoniaImmunohistochemistryGene Expression ProfilingColony-Forming Units AssayPhenotypeBone Morphogenetic ProteinsActivinsCell- and Tissue-Based TherapyMice, SCIDTissue EngineeringEmbryonic and Fetal DevelopmentAntigens, CD15Cell DivisionHMGB ProteinsCoculture TechniquesProto-Oncogene Proteins c-kitLeukemia Inhibitory FactorGrowth Differentiation Factor 3Time FactorsCord Blood Stem Cell TransplantationNestinEmbryo Culture TechniquesEpigenesis, GeneticLeft-Right Determination Factors