2007
RhoA required for acid-induced stress fiber formation and trafficking and activation of NHE3
Yang X, Huang HC, Yin H, Alpern RJ, Preisig PA. RhoA required for acid-induced stress fiber formation and trafficking and activation of NHE3. American Journal Of Physiology. Renal Physiology 2007, 293: f1054-f1064. PMID: 17686951, DOI: 10.1152/ajprenal.00295.2007.Peer-Reviewed Original ResearchMeSH KeywordsAmidesAnimalsBenzoquinonesCell LineEnzyme InhibitorsExocytosisFocal Adhesion Kinase 1Hydrochloric AcidHydrogen-Ion ConcentrationLactams, MacrocyclicOpossumsPaxillinPhosphorylationProtein-Tyrosine KinasesPyridinesrhoA GTP-Binding ProteinRifabutinSodium-Hydrogen Exchanger 3Sodium-Hydrogen ExchangersStress FibersTyrosineConceptsStress fiber formationTyrosine phosphorylationFiber formationFocal adhesion proteinsApical membraneRho-kinaseNHE3 activityExocytic traffickingActivation of NHE3Exocytic processFocal adhesionsNHE3 exocytosisAdhesion proteinsStress fibersProtein abundancePaxillinPhosphorylationMicrofilament structureAntiporter activityKinaseRho-kinase inhibitorKinase inhibitorsTraffickingAbundanceNHE3 activation
2004
Dietary acid, endothelins, and sleep.
Alpern RJ, Preisig PA. Dietary acid, endothelins, and sleep. Transactions Of The American Clinical And Climatological Association 2004, 115: 385-93; discussion 393-4. PMID: 17060981, PMCID: PMC2263788.Peer-Reviewed Original ResearchConceptsTrafficking of NHE3Proximal tubule cell lineNHE3 activityTubule cell lineSecond intracellular loopEndothelin expressionDietary acidNHE3 abundanceActivation of NHE3OKP cellsProximal tubulesNHE3 mRNAApical membraneHomeostatic responseProtein expressionC-fosReceptor specificityIntracellular loopReceptorsEndothelinCell linesC-JunNHE3C-SrcAcid signaling
2002
Role of c-SRC and ERK in acid-induced activation of NHE3
Tsuganezawa H, Sato S, Yamaji Y, Preisig PA, Moe OW, Alpern RJ. Role of c-SRC and ERK in acid-induced activation of NHE3. Kidney International 2002, 62: 41-50. PMID: 12081562, DOI: 10.1046/j.1523-1755.2002.00418.x.Peer-Reviewed Original ResearchMeSH KeywordsAcidosisAmmonium ChlorideAnimalsCells, CulturedCSK Tyrosine-Protein KinaseEnzyme ActivationJNK Mitogen-Activated Protein KinasesMaleMitogen-Activated Protein Kinase 1Mitogen-Activated Protein Kinase 3Mitogen-Activated Protein KinasesPhosphorylationProtein Serine-Threonine KinasesProtein-Tyrosine KinasesProto-Oncogene Proteins c-fosRatsRats, Sprague-DawleySodium-Hydrogen Exchanger 3Sodium-Hydrogen Exchangerssrc-Family KinasesConceptsOKP cellsAcid-induced activationNHE3 activityERK/c-fosC-fos expressionC-Fos activationCytoplasmic pH (pHi) recoveryC-SrcRenal proximal tubulesAcid incubationActivation of NHE3Renal epithelial cellsCultured renal epithelial cellsProximal tubulesChronic acidosisInhibition of MEKNHE3 activationInhibited activationNormal levelsAcid loadImmune complex kinase assayERK kinaseAcidosisPH recoveryEpithelial cells
1998
Dominant negative c-Src inhibits angiotensin II induced activation of NHE3 in OKP cells
Tsuganezawa H, Preisig P, Alpern R. Dominant negative c-Src inhibits angiotensin II induced activation of NHE3 in OKP cells. Kidney International 1998, 54: 394-398. PMID: 9690205, DOI: 10.1046/j.1523-1755.1998.00029.x.Peer-Reviewed Original ResearchConceptsNa/H antiporter activityAngiotensin IIOKP cellsInhibits angiotensin IIVascular smooth muscleTyrosine kinase inhibitorsC-SrcHerbimycin AAntiporter activityNa/H antiporterActivation of NHE3Smooth muscleProximal tubulesPotent stimulatorNHE3 activationRegulation of NHE3Key mediatorKinase inhibitorsClonal cell linesNHE3 activityAntiporter activationCyclic AMPCell linesNHE3Acidosis
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