Embryonic Stem CellsEmbryo Culture TechniquesStem CellsPluripotent Stem CellsInduced Pluripotent Stem CellsStem Cell TransplantationEmbryo, MammalianCell DifferentiationBlastocystHematopoietic Stem CellsFeeder CellsAdult Stem CellsCell Culture TechniquesHematopoietic Stem Cell TransplantationEmbryo ResearchNeural Stem CellsStem Cell NicheCell LineageMultipotent Stem CellsCell LineMesenchymal Stem Cell TransplantationOctamer Transcription Factor-3Embryonic DevelopmentMesenchymal Stromal CellsEmbryo ImplantationStem Cell FactorBlastomeresCells, CulturedGene Expression Regulation, DevelopmentalPlant StemsStem Cell ResearchTotipotent Stem CellsEmbryo, NonmammalianNeoplastic Stem CellsCell ProliferationEmbryonic and Fetal DevelopmentFertilization in VitroFetal Stem CellsChick EmbryoPregnancySOXB1 Transcription FactorsHomeodomain ProteinsCryopreservationPersonhoodBeginning of Human LifeEmbryoid BodiesGerm LayersTeratomaHematopoietic Stem Cell MobilizationCell SeparationCloning, OrganismEmbryo DispositionSignal TransductionMolecular Sequence DataRegenerative MedicineBase SequenceHematopoiesisBone Marrow CellsMice, Inbred C57BLRegenerationTranscription FactorsGene Expression ProfilingFlow CytometryCoculture TechniquesChimeraReverse Transcriptase Polymerase Chain ReactionPhenotypeTime FactorsGerm CellsImmunohistochemistryBiological MarkersModels, BiologicalNuclear ReprogrammingEmbryo TransferRNA, MessengerGene Expression RegulationGene ExpressionEndodermMice, SCIDGreen Fluorescent ProteinsAntigens, CD34MesodermNeuronsCell SurvivalCell DedifferentiationTransplantation, AutologousCell- and Tissue-Based TherapyPeripheral Blood Stem Cell TransplantationZygoteCloning, MolecularMice, TransgenicTissue EngineeringCell DivisionTransplantation, HomologousColony-Forming Units AssayResearch Embryo CreationSpermatogoniaNestinStage-Specific Embryonic AntigensLeukemia Inhibitory Factor