Kidney DiseasesPolycystic Kidney DiseasesKidneyUrineRenal Insufficiency, ChronicKidney Failure, ChronicPolycystic Kidney, Autosomal DominantGlomerular Filtration RateKidney TransplantationTRPP Cation ChannelsKidney Diseases, CysticKidney Function TestsKidney TubulesCreatinineChronic DiseaseAcute Kidney InjuryProteinuriaPolycystic Kidney, Autosomal RecessiveKidney CortexRenal DialysisAlbuminuriaKidney GlomerulusNephrologyDiabetic NephropathiesRisk FactorsDisease ProgressionUrinalysisBiological MarkersKidney Tubules, ProximalKidney NeoplasmsKidney MedullaKidney CalculiTime FactorsUromodulinCystatin CKidney Tubules, CollectingNephrectomyPrevalenceHematinicsHypertensionCardiovascular DiseasesNational Institute of Diabetes and Digestive and Kidney Diseases (U.S.)AnemiaCystsRenal InsufficiencyPodocytesSeverity of Illness IndexKidney Concentrating AbilityHypertension, RenalCohort StudiesCiliaDisease Models, AnimalCross-Sectional StudiesProspective StudiesAIDS-Associated NephropathyTreatment OutcomeRisk AssessmentRenal OsteodystrophyGlomerulosclerosis, Focal SegmentalRenal Replacement TherapyPhosphorusHyperparathyroidism, SecondaryParathyroid HormoneNephronsFollow-Up StudiesRetrospective StudiesBlood PressureHyperphosphatemiaUremiaMulticystic Dysplastic KidneyCalcinosisHematuriaRenin-Angiotensin SystemNephritisUreteral ObstructionNephrosclerosisNephritis, InterstitialUnited StatesPrognosisErythropoietinAntihypertensive AgentsPredictive Value of TestsPhosphatesRats, Sprague-DawleyIncidenceGlomerulonephritisAngiotensin-Converting Enzyme InhibitorsIndicanVascular CalcificationIothalamic AcidUrine Specimen CollectionComorbidityDogsPhosphorus, DietaryBlood Urea NitrogenTissue DistributionHemoglobinsHyperuricemiaKidney Tubules, DistalErgocalciferols