2001
K+-induced HSP-72 expression is mediated via rapid Ca2+ influx in renal epithelial cells
Eickelberg O, Geibel J, Seebach F, Giebisch G, Kashgarian M. K+-induced HSP-72 expression is mediated via rapid Ca2+ influx in renal epithelial cells. American Journal Of Physiology. Renal Physiology 2001, 281: f280-f287. PMID: 11457719, DOI: 10.1152/ajprenal.2001.281.2.f280.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsCalciumCalcium Channel BlockersCell LineDiltiazemEgtazic AcidEnzyme InhibitorsEpithelial CellsGallic AcidGenes, ReporterHeat-Shock ProteinsHSP72 Heat-Shock ProteinsImmunoblottingKidney Tubules, ProximalMicroscopy, ConfocalPotassiumPromoter Regions, GeneticRecombinant Fusion ProteinsSodiumSwineThapsigarginUrotheliumConceptsHSP 72 expressionPromoter activityHSP 72Protein expressionProtective cellular responseLuciferase reporter geneHSP-25Heat shock protein expressionRenal epithelial cellsTranscriptional inductionShock protein expressionIonic stressReporter geneHSP-90 levelsHSC 73Cellular responsesChannel blocker diltiazemIntracellular lumenWestern blot analysisChelator EGTA-AMPathophysiological stimuliBlot analysisConfocal microscopyProtein levelsExtracellular space
1999
Differential regulation of NHE isoforms by sodium depletion in proximal and distal segments of rat colon
Ikuma M, Kashgarian M, Binder H, Rajendran V. Differential regulation of NHE isoforms by sodium depletion in proximal and distal segments of rat colon. American Journal Of Physiology 1999, 276: g539-g549. PMID: 9950829, DOI: 10.1152/ajpgi.1999.276.2.g539.Peer-Reviewed Original ResearchConceptsDietary sodium depletionSodium depletionDistal colonRat colonProtein expressionMRNA abundanceBlot analysisDose-dependent inhibitorApical membrane vesiclesElectroneutral NaCl absorptionWestern blot analysisDifferential regulationNormal ratsProximal colonHOE 694Multiple diverse effectsColonDistal segmentsNaCl absorptionNHE isoformsExchange activityExchanger isoformsNorthern blot analysisDifferential effectsPretranslational level
1997
Regulation of colonic H-K-ATPase in large intestine and kidney by dietary Na depletion and dietary K depletion
Sangan P, Rajendran V, Mann A, Kashgarian M, Binder H. Regulation of colonic H-K-ATPase in large intestine and kidney by dietary Na depletion and dietary K depletion. American Journal Of Physiology 1997, 272: c685-c696. PMID: 9124313, DOI: 10.1152/ajpcell.1997.272.2.c685.Peer-Reviewed Original ResearchConceptsDietary K depletionDistal colonNA depletionK-ATPase activityProximal colonLarge intestineRat distal colonActive K absorptionK-ATPaseRenal collecting ductsDietary NaK-ATPase expressionK-ATPase isoformsK depletionRat colonCollecting ductsOuter medullaColonProtein expressionProtein levelsKidneyPolyclonal antibodiesIntestineDuctMRNA