Stem CellsEmbryonic Stem CellsStem Cell TransplantationHematopoietic Stem CellsPluripotent Stem CellsAdult Stem CellsStem Cell FactorCell DifferentiationInduced Pluripotent Stem CellsHematopoietic Stem Cell TransplantationEmbryo, MammalianNeural Stem CellsStem Cell ResearchCloning, MolecularMesenchymal Stromal CellsStem Cell NicheCell LineageMultipotent Stem CellsMesenchymal Stem Cell TransplantationHematopoietic Cell Growth FactorsCells, CulturedEmbryo ResearchAntigens, CD34BlastocystCell Culture TechniquesBone Marrow CellsMice, SCIDHematopoiesisOctamer Transcription Factor-3Regenerative MedicineEmbryo ImplantationCell ProliferationEmbryonic DevelopmentBlastomeresPlant StemsColony-Forming Units AssayFetal Stem CellsCell SeparationMice, Inbred NODProto-Oncogene Proteins c-kitMolecular Sequence DataFetal BloodCell LineBase SequenceEmbryo, NonmammalianGene Expression Regulation, DevelopmentalTransplantation, HeterologousFlow CytometryHematopoietic Stem Cell MobilizationNeoplastic Stem CellsTotipotent Stem CellsTissue EngineeringFertilization in VitroChick EmbryoEmbryonic and Fetal DevelopmentGene Expression ProfilingPhenotypeRecombinant ProteinsCell DivisionAntigens, CDRegenerationPregnancyImmunohistochemistryEmbryo Culture TechniquesAmino Acid SequenceCloning, OrganismCryopreservationTime FactorsPersonhoodMice, Inbred C57BLBeginning of Human LifeCell SurvivalBiological MarkersNeuronsTransplantation, AutologousSignal TransductionPeripheral Blood Stem Cell TransplantationCoculture TechniquesEmbryo DispositionGene ExpressionTissue ScaffoldsReverse Transcriptase Polymerase Chain ReactionGranulocyte Colony-Stimulating FactorTransplantation, HomologousHomeodomain ProteinsGenetic VectorsRNA, MessengerSOXB1 Transcription FactorsTransduction, GeneticTranscription FactorsModels, BiologicalSpermatogoniaGraft SurvivalGerm CellsCell- and Tissue-Based TherapyADP-ribosyl CyclaseGerm LayersEmbryo TransferGene Expression RegulationInterleukin-3