High dietary K+ intake inhibits proximal tubule transport
Wang T, Liu T, Xu S, Frindt G, Weinstein A, Palmer L. High dietary K+ intake inhibits proximal tubule transport. American Journal Of Physiology. Renal Physiology 2023, 325: f224-f234. PMID: 37318989, PMCID: PMC10396284, DOI: 10.1152/ajprenal.00013.2023.Peer-Reviewed Original ResearchConceptsGlomerular filtration rateFree-flow micropunctureFiltration rateUrine volumeFractional NaNephron segmentsOverall kidney functionProximal tubule transportProximal tubule functionNHE3 protein expressionExchanger isoform 3HK animalsKCl dietFraction excretionKidney functionHigh dietaryTubule functionKidney microsomesTubule transportAnesthetized animalsProximal tubulesVolume reabsorptionExcretionWestern blotControl dietHigh Dietary K Intake Inhibits Proximal Tubule Transport and Reduces GFR
Wang T, Liu T, Xu S, Frindt G, Palmer L, Weinstein A. High Dietary K Intake Inhibits Proximal Tubule Transport and Reduces GFR. Physiology 2023, 38: 5731363. DOI: 10.1152/physiol.2023.38.s1.5731363.Peer-Reviewed Original ResearchGlomerular filtration rateTF/PProximal tubulesUrine volumeTubular fluidDistal NaFractional NaReduction of GFRNephron segmentsFree-flow micropunctureOverall kidney functionDistal nephron segmentsProximal nephron segmentsKidney functionFiltration ratePt-NaFiltered loadLate DCTProximal adjustmentsModulation of NaTubule transportFractional deliveryFluid absorptionPT transportRats