Kidney Tubules, ProximalKidney TubulesLLC-PK1 CellsOpossumsCell LineKidneyKidney Tubules, CollectingSwineCell Line, TumorKidney CortexKidney Tubules, DistalNephronsKidney MedullaMalpighian TubulesCell Line, TransformedSodium-Potassium-Exchanging ATPaseEpitheliumGlutamineEpithelial CellsRNA, MessengerKidney DiseasesMicroscopy, ElectronMolecular Sequence DataTissue DistributionImmunohistochemistryGluconeogenesisKidney TransplantationDogsTumor Cells, CulturedAcute Kidney InjuryCells, CulturedTransfectionLow Density Lipoprotein Receptor-Related Protein-2Base SequenceApoptosisSodium-Hydrogen AntiporterKidney NeoplasmsKidney GlomerulusBlotting, WesternSignal TransductionGene ExpressionCell SurvivalRabbitsReverse Transcriptase Polymerase Chain ReactionSodiumKidney Failure, ChronicCell DivisionMicrovilliBiological TransportFenoldopamKidneys, ArtificialCell ProliferationDose-Response Relationship, DrugPolycystic Kidney DiseasesSodium-Glucose Transport ProteinsCell MembraneGene Expression RegulationAmino Acid SequenceTime FactorsGene Expression Regulation, NeoplasticCarrier ProteinsSodium-Phosphate Cotransporter Proteins, Type IIaRats, Sprague-DawleyKinetics