Embryonic Stem CellsEmbryo Culture TechniquesStem CellsAdult Stem CellsHematopoietic Stem CellsCell DifferentiationPluripotent Stem CellsStem Cell TransplantationInduced Pluripotent Stem CellsBlastocystEmbryo, MammalianFeeder CellsHematopoietic Stem Cell TransplantationStem Cell NicheCell Culture TechniquesNeural Stem CellsMultipotent Stem CellsMesenchymal Stem Cell TransplantationMesenchymal Stromal CellsStem Cell FactorEmbryo ResearchCell LineageEmbryo ImplantationCell LineEmbryonic DevelopmentStem Cell ResearchBlastomeresPlant StemsCells, CulturedFetal Stem CellsCell ProliferationOctamer Transcription Factor-3Embryo, NonmammalianGene Expression Regulation, DevelopmentalHematopoietic Stem Cell MobilizationNeoplastic Stem CellsTotipotent Stem CellsBone Marrow CellsFertilization in VitroChick EmbryoEmbryonic and Fetal DevelopmentRegenerationPregnancyCell SeparationCryopreservationRegenerative MedicineHematopoiesisPersonhoodBeginning of Human LifeMice, Inbred C57BLTransplantation, AutologousSignal TransductionFlow CytometryPeripheral Blood Stem Cell TransplantationAntigens, CD34Embryo DispositionMolecular Sequence DataTransplantation, HomologousHomeodomain ProteinsSOXB1 Transcription FactorsBase SequencePhenotypeTime FactorsCoculture TechniquesSpermatogoniaModels, BiologicalGene Expression ProfilingCloning, OrganismImmunohistochemistryColony-Forming Units AssayTranscription FactorsGerm CellsCell- and Tissue-Based TherapyMice, SCIDGerm LayersReverse Transcriptase Polymerase Chain ReactionTissue EngineeringBiological MarkersCell DivisionEmbryo TransferRNA, MessengerNuclear ReprogrammingCell SurvivalNestinGene Expression RegulationTeratomaCell DedifferentiationGene ExpressionProto-Oncogene Proteins c-kitMice, TransgenicCord Blood Stem Cell TransplantationMesodermCloning, MolecularGreen Fluorescent ProteinsEmbryoid BodiesNeuronsZygoteCell CountCulture TechniquesHair Follicle