Kidney TubulesKidney Tubules, ProximalKidneyKidney Tubules, CollectingKidney CortexNephronsKidney Tubules, DistalKidney MedullaGlutamineMalpighian TubulesSodium-Potassium-Exchanging ATPaseEpitheliumKidney DiseasesGluconeogenesisRNA, MessengerTissue DistributionKidney TransplantationEpithelial CellsMicroscopy, ElectronImmunohistochemistryDogsCell LineMolecular Sequence DataAcute Kidney InjuryKidney GlomerulusKidney Failure, ChronicPolycystic Kidney DiseasesKidney NeoplasmsKidney Function TestsBlotting, WesternRats, Sprague-DawleyCells, CulturedReverse Transcriptase Polymerase Chain ReactionKidney CalculiGene Expression RegulationPolycystic Kidney, Autosomal DominantGlomerular Filtration RateTime FactorsKidney Concentrating AbilityGene Expression