Kidney TubulesKidney Tubules, ProximalKidneyKidney Tubules, CollectingKidney CortexDigestive SystemNephronsKidney Tubules, DistalDigestive System NeoplasmsKidney MedullaGlutamineDigestive System DiseasesMalpighian TubulesEpitheliumSodium-Potassium-Exchanging ATPaseKidney DiseasesGluconeogenesisTissue DistributionKidney TransplantationMicroscopy, ElectronEpithelial CellsDogsImmunohistochemistryCell LineAcute Kidney InjuryMolecular Sequence DataRNA, MessengerDigestive System Physiological PhenomenaKidney Failure, ChronicKidney GlomerulusGastrointestinal TractPolycystic Kidney DiseasesKidney NeoplasmsKidney Function TestsNational Institute of Diabetes and Digestive and Kidney Diseases (U.S.)DigestionKidney CalculiPolycystic Kidney, Autosomal DominantKidney Concentrating AbilityGlomerular Filtration Rate