2021
Restoration of proximal tubule flow-activated transport prevents cyst growth in polycystic kidney disease
Du Z, Tian X, Ma M, Somlo S, Weinstein AM, Wang T. Restoration of proximal tubule flow-activated transport prevents cyst growth in polycystic kidney disease. JCI Insight 2021, 6: e146041. PMID: 33886508, PMCID: PMC8262298, DOI: 10.1172/jci.insight.146041.Peer-Reviewed Original ResearchConceptsGlomerular filtration rateGlomerulotubular balanceRenal cyst formationCyst formationReceptor 1 antagonistPolycystic kidney diseaseKidney weightUntreated miceDA1 antagonistControl miceKidney diseaseFiltration rateFractional reabsorptionCystic indexMouse modelCyst growthConditional KOHCO3- absorptionHeterozygous miceSame antagonistsMicePT transportAntagonistEpithelial ciliaHCO3- transport
2015
Regulation of glomerulotubular balance. III. Implication of cytosolic calcium in flow-dependent proximal tubule transport
Du Z, Weinbaum S, Weinstein AM, Wang T. Regulation of glomerulotubular balance. III. Implication of cytosolic calcium in flow-dependent proximal tubule transport. American Journal Of Physiology. Renal Physiology 2015, 308: f839-f847. PMID: 25651568, PMCID: PMC4398834, DOI: 10.1152/ajprenal.00601.2014.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsBicarbonatesBiological TransportCalciumCalcium-Transporting ATPasesChelating AgentsCytosolEnzyme InhibitorsIn Vitro TechniquesInositol 1,4,5-Trisphosphate ReceptorsKidney Tubules, ProximalKineticsMice, Inbred C57BLPerfusionRenal ReabsorptionSodiumSodium-Hydrogen Exchanger 3Sodium-Hydrogen ExchangersConceptsNa/H exchanger 3Flow-induced increaseGlomerulotubular balanceProximal tubulesHCO3- reabsorptionCytosolic calciumAngiotensin II receptorsProximal tubule transportReceptor-mediated intracellularReabsorption of fluidMouse proximal tubulesChelator BAPTA-AMPerfusion rateH-ATPase activityControl tubulesII receptorsTubule transportBAPTA-AMInhibitor thapsigarginExchanger 3ReabsorptionBaseline flowHCO3- transportTubulesBAPTA