Embryonic Stem CellsRegenerationAmbystoma mexicanumAmbystomaExtremitiesStem CellsUrodelaTurbellariaNotophthalmusNotophthalmus viridescensCell DifferentiationPluripotent Stem CellsForelimbStem Cell TransplantationSalamandridaeEmbryo, MammalianOctamer Transcription Factor-3Nerve RegenerationHematopoietic Stem CellsInduced Pluripotent Stem CellsCell LineageLiver RegenerationAdult Stem CellsCell Culture TechniquesGene Expression Regulation, DevelopmentalCells, CulturedNeural Stem CellsEmbryoid BodiesCell LineMultipotent Stem CellsPlanariansCell ProliferationEmbryo ResearchAnimal FinsSOXB1 Transcription FactorsHomeodomain ProteinsStem Cell NicheTeratomaHematopoietic Stem Cell TransplantationTotipotent Stem CellsMesenchymal Stromal CellsBone RegenerationTailMesenchymal Stem Cell TransplantationGerm LayersSignal TransductionGene Expression ProfilingReverse Transcriptase Polymerase Chain ReactionEndodermLeukemia Inhibitory FactorStem Cell ResearchCell DedifferentiationTranscription FactorsChimeraRegenerative MedicineGene TargetingPleurodelesGene Expression RegulationStem Cell FactorMice, Inbred C57BLNuclear ReprogrammingImmunohistochemistryBlastocystStage-Specific Embryonic AntigensTriturusNeuronsTime FactorsGreen Fluorescent ProteinsFeeder CellsGene ExpressionFlow CytometryMesodermTissue EngineeringModels, BiologicalCell SeparationBone Morphogenetic Protein 4TretinoinCoculture TechniquesBiological MarkersMyocytes, CardiacHematopoiesisMolecular Sequence DataZebrafishGerm CellsBase SequenceFetal Stem CellsIn Situ HybridizationCell TransplantationRNA, MessengerPhenotypeMice, TransgenicEpigenesis, GeneticMice, SCIDCell SurvivalEmbryonic DevelopmentAmputationWound HealingMice, KnockoutRetinal Rod Photoreceptor CellsLarva