2004
A consensus sequence in the endothelin-B receptor second intracellular loop is required for NHE3 activation by endothelin-1
Laghmani K, Sakamoto A, Yanagisawa M, Preisig PA, Alpern RJ. A consensus sequence in the endothelin-B receptor second intracellular loop is required for NHE3 activation by endothelin-1. American Journal Of Physiology. Renal Physiology 2004, 288: f732-f739. PMID: 15598844, DOI: 10.1152/ajprenal.00300.2004.Peer-Reviewed Original ResearchConceptsEndothelin-1Second intracellular loopET-1 stimulationNHE3 activityIntracellular loopEndothelin-A receptorAdenylyl cyclase inhibitionET-1 regulationProximal tubule apical membraneET receptorsCyclase inhibitionOKP cellsNHE3 activationOpossum kidneyExchanger 3ReceptorsStimulationProtein tyrosine phosphorylationReceptor chimerasPresent studyCellsAdditional mechanismTyrosine phosphorylationApical membraneSimilar pattern
1996
Adenosine triphosphate citrate lyase mediates hypocitraturia in rats.
Melnick JZ, Srere PA, Elshourbagy NA, Moe OW, Preisig PA, Alpern RJ. Adenosine triphosphate citrate lyase mediates hypocitraturia in rats. Journal Of Clinical Investigation 1996, 98: 2381-2387. PMID: 8941657, PMCID: PMC507690, DOI: 10.1172/jci119051.Peer-Reviewed Original ResearchConceptsChronic metabolic acidosisMetabolic acidosisATP citrate lyase activityATP-citrate lyaseCitrate lyase activityCitrate lyaseHypocitraturiaAcid dietAcidosisCitrate metabolismProtein abundanceRatsMRNA abundanceLyase activityMetabolismPresent studySignificant changesCitrate uptakeInhibitionHypercitraturiaHypokalemiaCytosolic enzymeCompetitive inhibitorActivityImportant roleChronic metabolic acidosis increases NHE3 protein abundance in rat kidney
Ambuhl P, Amemiya M, Danczkay M, Lotscher M, Kaissling B, Moe OW, Preisig PA, Alpern RJ. Chronic metabolic acidosis increases NHE3 protein abundance in rat kidney. American Journal Of Physiology 1996, 271: f917-f925. PMID: 8898023, DOI: 10.1152/ajprenal.1996.271.4.f917.Peer-Reviewed Original ResearchConceptsNHE3 protein abundanceChronic metabolic acidosisNHE3 mRNA abundanceMetabolic acidosisThick ascending limbProximal tubulesAscending limbNa/H antiporter activityAcidosis-induced increaseMRNA abundanceNa/H antiporterNHE3 abundanceProtein abundanceAcidosisRat kidneyWestern blotS2 segmentsH antiporterRatsNHE3 isoformPresent studyLimbTubulesNH4Cl-induced hypertrophy is mediated by weak base effects and is independent of cell cycle processes
Franch H, Preisig P. NH4Cl-induced hypertrophy is mediated by weak base effects and is independent of cell cycle processes. American Journal Of Physiology 1996, 270: c932-c938. PMID: 8638677, DOI: 10.1152/ajpcell.1996.270.3.c932.Peer-Reviewed Original ResearchConceptsC-fos mRNA abundanceHuman papilloma virus 16NRK-52E cellsWeak base propertiesCell cycle processRenal hypertrophyClinical conditionsVirus 16Renal epithelial cellsCultured renal epithelial cellsCell cycleHypertrophyE7 genesAdditional studiesEpithelial cellsVesicular alkalinizationMRNA abundancePresent studyInactivation of pRbCellsProtein synthesisVacuolar proton pumpProtein abundanceVesicular compartments
1991
Chronic K depletion stimulates rat renal brush-border membrane Na-citrate cotransporter
Levi M, McDonald LA, Preisig PA, Alpern RJ. Chronic K depletion stimulates rat renal brush-border membrane Na-citrate cotransporter. American Journal Of Physiology 1991, 261: f767-f773. PMID: 1683169, DOI: 10.1152/ajprenal.1991.261.5.f767.Peer-Reviewed Original Research
1988
Role of Na+-H+ antiport in rat proximal tubule NaCl absorption
Preisig P, Rector F. Role of Na+-H+ antiport in rat proximal tubule NaCl absorption. American Journal Of Physiology 1988, 255: f461-f465. PMID: 2843052, DOI: 10.1152/ajprenal.1988.255.3.f461.Peer-Reviewed Original ResearchConceptsChloride absorptionNaCl absorptionLuminal amilorideTransepithelial NaCl absorptionLate proximal tubuleRenal carbonic anhydrasePhysiological sodium concentrationProximal tubulesTubular fluidApical membraneNaCl cotransportSodium concentrationRatsNaCl uptakePotent inhibitorAmiloridePresent studyTubulesTight epitheliaInhibitorsAntiporter activityBase exchangePerfusateHydrochlorothiazideUptake