Stem CellsEmbryonic Stem CellsHematopoietic Stem CellsStem Cell TransplantationAdult Stem CellsPluripotent Stem CellsCell DifferentiationHematopoietic Stem Cell TransplantationStem Cell NicheNeural Stem CellsInduced Pluripotent Stem CellsMultipotent Stem CellsMesenchymal Stem Cell TransplantationCell LineageStem Cell FactorMesenchymal Stromal CellsEmbryo, MammalianEmbryo, NonmammalianCells, CulturedGene Expression Regulation, DevelopmentalStem Cell ResearchPlant StemsFetal Stem CellsCell ProliferationOctamer Transcription Factor-3Neoplastic Stem CellsBlastocystTotipotent Stem CellsHematopoietic Stem Cell MobilizationEmbryonic DevelopmentCell Culture TechniquesBone Marrow CellsTeratomaCell LineSignal TransductionRegenerationCell DivisionMice, Inbred C57BLEmbryonal Carcinoma Stem CellsTranscription FactorsCell AggregationRegenerative MedicineCell SeparationFlow CytometryTransplantation, AutologousHematopoiesisGerm CellsPeripheral Blood Stem Cell TransplantationAntigens, CD34Homeodomain ProteinsTransplantation, HomologousEndodermBlastomeresMolecular Sequence DataCell CyclePhenotypeGastrulaReverse Transcriptase Polymerase Chain ReactionCell MovementVitellinsXenopus ProteinsModels, BiologicalCell SurvivalGene Expression ProfilingTime FactorsSOXB1 Transcription FactorsGene Expression RegulationSpermatogoniaChimeraGreen Fluorescent ProteinsColony-Forming Units AssayRNA, MessengerMice, TransgenicCarcinoma, EmbryonalImmunohistochemistryTeratocarcinomaMesodermBase SequenceChick EmbryoMitosisCell- and Tissue-Based TherapyMice, SCIDTissue EngineeringCaenorhabditis elegansNeuronsProto-Oncogene Proteins c-kitCord Blood Stem Cell TransplantationNestinGene ExpressionNuclear Transfer TechniquesOvumXenopus laevisXenopusHair FollicleDNA-Binding ProteinsCell CountWnt ProteinsBrain StemEmbryo ResearchOocytes