2023
High 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 rateReduced glomerular filtration rateK + excretionProximal tubulesTubular fluidConnecting tubuleUrine volumeTreated ratsNephron segmentsReduction of glomerular filtration rateProximal tubule transportLengths of proximal tubulesDistal nephron segmentsProximal nephron segmentsFree-flow micropunctureNa + absorptionHK intakeIncreased FENaTubule transportFractional deliveryFiltration rateKidney functionIncreased secretionFluid absorptionFITC-inulin
2019
Sex difference in kidney electrolyte transport II: impact of K+ intake on thiazide-sensitive cation excretion in male and female mice
Li J, Xu S, Yang L, Yang J, Wang CJ, Weinstein AM, Palmer LG, Wang T. Sex difference in kidney electrolyte transport II: impact of K+ intake on thiazide-sensitive cation excretion in male and female mice. American Journal Of Physiology. Renal Physiology 2019, 317: f967-f977. PMID: 31390232, PMCID: PMC6843050, DOI: 10.1152/ajprenal.00125.2019.Peer-Reviewed Original ResearchConceptsHK dietCation excretionWT animalsFemale animalsMale animalsSex differencesRenal clearance experimentsGlomerular filtration rateR KO miceExchanger isoform 3Distal NaHK intakeWestern blot analysisFractional excretionUrine volumeFiltration rateFemale miceKO miceNHE3 abundanceClearance experimentsNCC abundanceLittle sex differenceKnockout miceENaC expressionExcretion
2016
Expression of KCNJ1 (ROMK) in the Gastrointestinal Tract
Han J, Lee S, Ishikawa Y, Guo X, Xu S, Wang T. Expression of KCNJ1 (ROMK) in the Gastrointestinal Tract. The FASEB Journal 2016, 30 DOI: 10.1096/fasebj.30.1_supplement.1224.31.Peer-Reviewed Original ResearchROMK expressionDistal colonMRNA expressionKO miceRenal outer medullary potassium channelEpithelial cellsGI tractGastric acid secretionGastrointestinal (GI) tractHK intakeROMK channelsWT miceDistal nephronReal-time PCRApical membraneROMKPotassium channelsAcid secretionParietal cellsIF stainingRenal tubulesQ-PCR dataEsophagusDiet animalsGastrointestinal tract