Stem CellsEmbryonic Stem CellsStem Cell TransplantationEmbryo, MammalianPluripotent Stem CellsHematopoietic Stem CellsAdult Stem CellsCell DifferentiationCloning, MolecularInduced Pluripotent Stem CellsEmbryo ResearchHematopoietic Stem Cell TransplantationNeural Stem CellsStem Cell NicheBlastocystCell LineageMultipotent Stem CellsMesenchymal Stem Cell TransplantationOctamer Transcription Factor-3Embryonic DevelopmentMesenchymal Stromal CellsEmbryo ImplantationStem Cell FactorBlastomeresCells, CulturedGene Expression Regulation, DevelopmentalPlant StemsCell Culture TechniquesMolecular Sequence DataCell LineBase SequenceStem Cell ResearchEmbryo, NonmammalianTotipotent Stem CellsNeoplastic Stem CellsCell ProliferationEmbryonic and Fetal DevelopmentFertilization in VitroFetal Stem CellsCloning, OrganismEmbryo Culture TechniquesChick EmbryoPregnancySOXB1 Transcription FactorsHomeodomain ProteinsAmino Acid SequenceCryopreservationPersonhoodBeginning of Human LifeEmbryoid BodiesGerm LayersTeratomaHematopoietic Stem Cell MobilizationCell SeparationTranscription FactorsEmbryo DispositionSignal TransductionRegenerative MedicineHematopoiesisBone Marrow CellsMice, Inbred C57BLGene Expression ProfilingRegenerationRNA, MessengerFlow CytometryReverse Transcriptase Polymerase Chain ReactionPhenotypeCoculture TechniquesGene ExpressionChimeraTime FactorsImmunohistochemistryGerm CellsGene Expression RegulationModels, BiologicalBiological MarkersNuclear ReprogrammingFeeder CellsEmbryo TransferGreen Fluorescent ProteinsEndodermMice, SCIDMesodermAntigens, CD34DNA, ComplementaryNeuronsCell SurvivalTransplantation, AutologousCell DedifferentiationCell- and Tissue-Based TherapyZygotePeripheral Blood Stem Cell TransplantationCell DivisionMice, TransgenicResearch Embryo CreationTissue EngineeringColony-Forming Units AssayTransplantation, HomologousSpermatogoniaNestin