Embryonic Stem CellsRegenerationAmbystoma mexicanumPluripotent Stem CellsExtremitiesStem CellsInduced Pluripotent Stem CellsTurbellariaNotophthalmusAmbystomaNotophthalmus viridescensCell DifferentiationForelimbOctamer Transcription Factor-3Stem Cell TransplantationEmbryo, MammalianCell LineageCell Culture TechniquesHematopoietic Stem CellsNuclear ReprogrammingSOXB1 Transcription FactorsEmbryoid BodiesAdult Stem CellsGene Expression Regulation, DevelopmentalCells, CulturedTeratomaCell LineNeural Stem CellsGerm LayersEmbryo ResearchMultipotent Stem CellsHomeodomain ProteinsSalamandridaeCell DedifferentiationCell ProliferationTotipotent Stem CellsStem Cell NicheRegenerative MedicineStage-Specific Embryonic AntigensHematopoietic Stem Cell TransplantationPlanariansGene Expression ProfilingStem Cell ResearchEndodermFeeder CellsLeukemia Inhibitory FactorMesenchymal Stromal CellsTranscription FactorsChimeraReverse Transcriptase Polymerase Chain ReactionBlastocystGene TargetingMesenchymal Stem Cell TransplantationAnimal FinsSignal TransductionGene Expression RegulationGerm CellsCell SeparationStem Cell FactorFlow CytometryEpigenesis, GeneticBiological MarkersMyocytes, CardiacCoculture TechniquesFibroblastsGene ExpressionGreen Fluorescent ProteinsHematopoiesisTretinoinNeuronsMice, Inbred C57BLMice, SCIDTriturusCell- and Tissue-Based TherapyImmunohistochemistryModels, BiologicalKaryotypingEmbryonic DevelopmentLentivirusTailMesodermActivinsEmbryonal Carcinoma Stem CellsKruppel-Like Transcription FactorsBone Morphogenetic Protein 4PhenotypeFetal Stem CellsReference StandardsBase SequenceTissue EngineeringNeoplastic Stem CellsMolecular Sequence DataOligonucleotide Array Sequence AnalysisBlastocyst Inner Cell MassRNA, MessengerCell SurvivalCell TransplantationTime FactorsCloning, OrganismTransgenes