Embryonic Stem CellsStem CellsAdult Stem CellsCell DifferentiationHematopoietic Stem CellsPluripotent Stem CellsStem Cell TransplantationEmbryo, MammalianInduced Pluripotent Stem CellsCloning, MolecularNeural Stem CellsEmbryo ResearchHematopoietic Stem Cell TransplantationStem Cell NicheCell LineageOctamer Transcription Factor-3Multipotent Stem CellsBlastocystCell Culture TechniquesMesenchymal Stem Cell TransplantationCells, CulturedMesenchymal Stromal CellsGene Expression Regulation, DevelopmentalStem Cell FactorCell LineEmbryonic DevelopmentMolecular Sequence DataTotipotent Stem CellsStem Cell ResearchBase SequenceCell ProliferationEmbryo ImplantationEmbryoid BodiesSOXB1 Transcription FactorsBlastomeresHomeodomain ProteinsTeratomaCloning, OrganismFetal Stem CellsGerm LayersPlant StemsEmbryo Culture TechniquesEmbryo, NonmammalianAmino Acid SequenceTranscription FactorsEmbryonic and Fetal DevelopmentGene Expression ProfilingCell SeparationRegenerative MedicineSignal TransductionNeoplastic Stem CellsReverse Transcriptase Polymerase Chain ReactionHematopoiesisChimeraMice, Inbred C57BLFlow CytometryRegenerationFertilization in VitroHematopoietic Stem Cell MobilizationNuclear ReprogrammingCoculture TechniquesBone Marrow CellsRNA, MessengerGene ExpressionEndodermChick EmbryoPregnancyGene Expression RegulationPhenotypeFeeder CellsCryopreservationGerm CellsBiological MarkersGreen Fluorescent ProteinsBeginning of Human LifeLeukemia Inhibitory FactorImmunohistochemistryGene TargetingPersonhoodStage-Specific Embryonic AntigensTime FactorsMice, SCIDModels, BiologicalNeuronsEmbryo DispositionCell DedifferentiationCell SurvivalAntigens, CD34MesodermCell- and Tissue-Based TherapyTissue EngineeringMice, TransgenicBone Morphogenetic Protein 4KaryotypingColony-Forming Units AssayDNA, ComplementaryTransplantation, AutologousCell DivisionResearch Embryo CreationEpigenesis, Genetic