Ambystoma mexicanumRegenerationExtremitiesTurbellariaNotophthalmusAmbystomaNotophthalmus viridescensForelimbCell ProliferationSalamandridaeAnimal FinsPlanariansTriturusTailCell DifferentiationAmputationCells, CulturedSignal TransductionCell DivisionUrodelaPleurodelesWilms TumorIn Situ HybridizationApoptosisNerve TissueZebrafishBromodeoxyuridineGene Expression Regulation, DevelopmentalCell Line, TumorWound HealingImmunohistochemistryCell CycleStem CellsCell MovementRNA, MessengerMolecular Sequence DataAnaplasiaMorphogenesisEpidermisCell DedifferentiationLymphocyte ActivationGene ExpressionGene Expression RegulationReverse Transcriptase Polymerase Chain ReactionMesodermAmputation StumpsAnimal StructuresCell SurvivalFibroblast Growth FactorsHomeodomain ProteinsPentosan Sulfuric PolyesterMice, Inbred C57BLTretinoinTime FactorsCell LineZebrafish ProteinsAnimals, Genetically ModifiedAmino Acid SequenceKi-67 AntigenGenes, HomeoboxBlotting, WesternDermisModels, BiologicalTranscription FactorsCartilageBase SequenceBody PatterningProliferating Cell Nuclear AntigenPhosphorylationT-LymphocytesRNA InterferenceFlow CytometryTumor Cells, CulturedMice, KnockoutHedgehog ProteinsGene Expression ProfilingRNA, Small InterferingMice, TransgenicGene Expression Regulation, NeoplasticDown-RegulationMSX1 Transcription FactorCellular Microenvironmentbeta CateninDose-Response Relationship, DrugEpithelial CellsLimb BudsCell Growth ProcessesFibroblastsPAX7 Transcription FactorMultipotent Stem CellsXenopus ProteinsTransfectionDNA PrimersWnt ProteinsEmbryo, NonmammalianLarvaChoristomaMuscle, Smooth, VascularCyclin D1DNA, Complementary