KidneyUreterRegenerationExtremitiesAmbystoma mexicanumSalamandridaeMesodermNephronsNotophthalmus viridescensTurbellariaAmbystomaPAX2 Transcription FactorAnimal FinsPlanariansWnt4 ProteinWolffian DuctsTriturusWilms TumorMesonephrosGene Expression Regulation, DevelopmentalIn Situ HybridizationMorphogenesisOrganogenesisGlial Cell Line-Derived Neurotrophic FactorTailOrgan Culture TechniquesDolichosAmputationForelimbHomeodomain ProteinsCell DifferentiationUrodelaPleurodelesKidney TubulesNotophthalmusNerve TissueUrogenital SystemEmbryonic and Fetal DevelopmentKidney NeoplasmsWnt ProteinsZebrafishImmunohistochemistryFlank PainEmbryonic InductionBone Morphogenetic Protein 7Proto-Oncogene Proteins c-retEpitheliumAnaplasiaUrogenital AbnormalitiesStem CellsAmputation StumpsMolecular Sequence DataWT1 ProteinsCell DedifferentiationAnimal StructuresPentosan Sulfuric PolyesterSignal TransductionWound HealingTranscription FactorsEmbryo, MammalianBone Morphogenetic ProteinsAdenofibromaGenes, HomeoboxGene ExpressionDNA, ComplementaryBone Morphogenetic Protein 4Zebrafish ProteinsEpidermisDermisBase SequenceAmino Acid SequenceReceptor Protein-Tyrosine KinasesCartilageAnimals, Genetically ModifiedEmbryonic DevelopmentCell ProliferationFibroblast Growth FactorsReverse Transcriptase Polymerase Chain ReactionNerve Growth FactorsTretinoinBody PatterningRNA, MessengerLIM-Homeodomain ProteinsUrinary TractGene Expression ProfilingMSX1 Transcription FactorDNA PrimersGlial Cell Line-Derived Neurotrophic Factor ReceptorsReceptor, Fibroblast Growth Factor, Type 1Kidney GlomerulusCOUP Transcription Factor IICellular MicroenvironmentFrizzled ReceptorsLac OperonMice, TransgenicLimb BudsTime FactorsReceptor, Fibroblast Growth Factor, Type 2ChoristomaMice, Mutant Strains