2020
Effects of Cytokines and Nitric Oxide on Bicarbonate Secretion by Cholangiocytes
Spirlì C, Okolicsanyi L, Strazzabosco M. Effects of Cytokines and Nitric Oxide on Bicarbonate Secretion by Cholangiocytes. 2020, 81-88. DOI: 10.1201/9780367813888-7.Peer-Reviewed Original ResearchInflammatory mediatorsBiliary epitheliumRole of inflammationSecretory mechanismElectrolyte transportEffects of cytokinesPathophysiology of cholangiopathiesProgressive cholestasisFibrogenetic processInhibition of cAMPProliferative responseBicarbonate secretionPathogenetic sequenceCholestasisDuctal cholestasisCAMP formationCholangiopathyNitric oxideAvailable evidenceCell damageAdenylyl cyclaseCytokinesMediatorsCholangiocytesEpitheliumHormonal Regulation of Cholangiocyte Secretion
Gigliozzi A, Fraioli F, Boyer J. Hormonal Regulation of Cholangiocyte Secretion. 2020, 89-95. DOI: 10.1201/9780367813888-8.Peer-Reviewed Original ResearchVasoactive intestinal peptideCholangiocyte secretionBicarbonate secretionBicarbonate-rich choleresisPost-prandial phaseExert inhibitory effectsCGMP-independent pathwayBicarbonate excretionIntestinal peptideParasympathetic systemPKA-dependent pathwayHepatic bileCholangiocyte proliferationActivation of calcineurinMaximal stimulationInhibitory effectSecretionBicarbonate requirementEnhanced expressionAdenylyl cyclaseHormonal regulationDigestive functionMajor determinantActivationCorticosteroids
2019
Effects of Endotoxin on Type 3 Inositol 1,4,5‐Trisphosphate Receptor in Human Cholangiocytes
Franca A, Filho A, Guerra MT, Weerachayaphorn J, dos Santos M, Njei B, Robert M, Lima C, Vidigal P, Banales JM, Ananthanarayanan M, Leite MF, Nathanson MH. Effects of Endotoxin on Type 3 Inositol 1,4,5‐Trisphosphate Receptor in Human Cholangiocytes. Hepatology 2019, 69: 817-830. PMID: 30141207, PMCID: PMC6351171, DOI: 10.1002/hep.30228.Peer-Reviewed Original ResearchConceptsToll-like receptor 4Alcoholic hepatitisEffect of endotoxinBile duct cellsNF-κBInhibition of TLR4Human cholangiocytesStimulation of TLR4Duct cellsSevere alcoholic hepatitisCholestasis of sepsisForms of cholestasisNF-κB subunitsP65/p50Trisphosphate receptorReceptor 4Clinical conditionsBicarbonate secretionHepatocellular changesITPR3 expressionCholestasisType 3 inositolLPS receptorAgonist stimulusSepsis
2015
Nuclear Factor, Erythroid 2-Like 2 Regulates Expression of Type 3 Inositol 1,4,5-Trisphosphate Receptor and Calcium Signaling in Cholangiocytes
Weerachayaphorn J, Amaya MJ, Spirli C, Chansela P, Mitchell-Richards KA, Ananthanarayanan M, Nathanson MH. Nuclear Factor, Erythroid 2-Like 2 Regulates Expression of Type 3 Inositol 1,4,5-Trisphosphate Receptor and Calcium Signaling in Cholangiocytes. Gastroenterology 2015, 149: 211-222.e10. PMID: 25796361, PMCID: PMC4478166, DOI: 10.1053/j.gastro.2015.03.014.Peer-Reviewed Original ResearchConceptsBile ductBile duct unitsCholestatic disordersOxidative stressCalcium signalingNuclear factorMouse cholangiocytesDuct unitsReduced calcium signalingIntrahepatic bile ductsLevels of Nrf2Cholangiocyte cellsKnockdown of Nrf2Activation of Nrf2Intracellular calcium release channelsTranscription factor Nrf2Binding of Nrf2Calcium release channelPolymerase chain reaction analysisBiliary diseaseTrisphosphate receptorControl ratsLiver disordersBicarbonate secretionChain reaction analysis
2011
Angiotensin II Stimulates H+-ATPase Activity in Intercalated Cells from Isolated Mouse Connecting Tubules and Cortical Collecting Ducts
Wagner CA, Mohebbi N, Uhlig U, Giebisch GH, Breton S, Brown D, Geibel JP. Angiotensin II Stimulates H+-ATPase Activity in Intercalated Cells from Isolated Mouse Connecting Tubules and Cortical Collecting Ducts. Cellular Physiology And Biochemistry 2011, 28: 513-520. PMID: 22116365, PMCID: PMC3709473, DOI: 10.1159/000335112.Peer-Reviewed Original ResearchMeSH KeywordsAngiotensin IIAnimalsAnion Transport ProteinsBicarbonatesCell MembraneChloridesColchicineHydrogen-Ion ConcentrationImmunohistochemistryKidney CortexKidney Tubules, CollectingMacrolidesMaleMiceMice, Inbred C57BLReceptors, AngiotensinSaralasinSodiumSulfate TransportersVacuolar Proton-Translocating ATPasesConceptsCNT/CCDAngiotensin IICortical collecting ductsBicarbonate secretionChloride absorptionCollecting ductsType 1 angiotensin II receptorAngiotensin II stimulatesAngiotensin II receptorsAcid-base statusConnecting tubuleATPase activityII receptorsSpecific subtypesNephron segmentsIndependent intracellularAcid extrusionType BSecretionTubulesDuct systemDuctPendrinPresent studyCells
2009
T1744 Cell-Specific Functional Expression and Regulation of cAMP, Calcium and Acid-Stimulated Chloride and Bicarbonate Secretion in the Proximal Small Intestine
Jakab R, Collaco A, Ameen N. T1744 Cell-Specific Functional Expression and Regulation of cAMP, Calcium and Acid-Stimulated Chloride and Bicarbonate Secretion in the Proximal Small Intestine. Gastroenterology 2009, 136: a-570-a-571. DOI: 10.1016/s0016-5085(09)62625-1.Peer-Reviewed Original Research
2005
Bicarbonate Secretion
Binder HJ, Rajendran V, Sadasivan V, Geibel JP. Bicarbonate Secretion. Journal Of Clinical Gastroenterology 2005, 39: s53-s58. PMID: 15758660, DOI: 10.1097/01.mcg.0000155521.81382.3a.Peer-Reviewed Original Research
2002
Regulation of the expression of the Cl-/anion exchanger pendrin in mouse kidney by acid-base status
Wagner CA, Finberg KE, Stehberger PA, Lifton RP, Giebisch GH, Aronson PS, Geibel JP. Regulation of the expression of the Cl-/anion exchanger pendrin in mouse kidney by acid-base status. Kidney International 2002, 62: 2109-2117. PMID: 12427135, DOI: 10.1046/j.1523-1755.2002.00671.x.Peer-Reviewed Original ResearchConceptsPendrin-positive cellsAcid-base statusPositive cellsBicarbonate secretionMouse kidneyAcid-base transportKnockout mouse modelProtein expression levelsMetabolic alkalosisDeficient dietExchanger pendrinPendrin expressionMouse modelSensorineural deafnessThyroid glandBicarbonate loadPendred syndromeWestern blottingApical membraneInner earPendrin proteinControl levelsKidneyPendrinProtein levels
2000
Cl‐Dependent Na‐H Exchange: A Novel Colonic Crypt Transport Mechanism
BINDER H, RAJENDRAN V, GEIBEL J. Cl‐Dependent Na‐H Exchange: A Novel Colonic Crypt Transport Mechanism. Annals Of The New York Academy Of Sciences 2000, 915: 43-53. PMID: 11193600, DOI: 10.1111/j.1749-6632.2000.tb05222.x.Peer-Reviewed Original ResearchCa2+‐activated Cl− channels can substitute for CFTR in stimulation of pancreatic duct bicarbonate secretion
ZSEMBERY Á, Strazzabosco M, Graf J. Ca2+‐activated Cl− channels can substitute for CFTR in stimulation of pancreatic duct bicarbonate secretion. The FASEB Journal 2000, 14: 2345-2356. PMID: 11053257, DOI: 10.1096/fj.99-0509com.Peer-Reviewed Original ResearchMeSH KeywordsAdenosine TriphosphateBicarbonatesCalciumCesiumChloride ChannelsChloridesCyclic AMPCystic Fibrosis Transmembrane Conductance RegulatorGlyburideGlycerolHumansHydrogen-Ion ConcentrationMembrane PotentialsMutationPancreatic DuctsPatch-Clamp TechniquesPotassium ChannelsTumor Cells, CulturedCellular localization of the cystic fibrosis transmembrane conductance regulator in mouse intestinal tract
Ameen N, Alexis J, Salas P. Cellular localization of the cystic fibrosis transmembrane conductance regulator in mouse intestinal tract. Histochemistry And Cell Biology 2000, 114: 69-75. PMID: 10959824, DOI: 10.1007/s004180000164.Peer-Reviewed Original ResearchConceptsMouse intestinal tractCystic fibrosisIntestinal tractCystic fibrosis transmembrane conductance regulatorSmall intestinal obstructionSevere gastrointestinal diseasePathophysiology of CFMouse model systemFibrosis transmembrane conductance regulatorVillus distributionTransmembrane conductance regulatorIntestinal obstructionDifferent phenotypic expressionsCF intestineGastrointestinal diseasesBicarbonate secretionTransgenic miceHuman CF diseaseSmall intestineDisease expressionImmunoblot techniqueLethal obstructionMouse intestineMiceConductance regulator
1999
Vasoactive intestinal polypeptide is a potent regulator of bile secretion from rat cholangiocytes
Cho W, Boyer J. Vasoactive intestinal polypeptide is a potent regulator of bile secretion from rat cholangiocytes. Gastroenterology 1999, 117: 420-428. PMID: 10419925, DOI: 10.1053/gast.1999.0029900420.Peer-Reviewed Original ResearchConceptsBile duct unitsEffect of VIPBile flowBile secretionDuct unitsIntestinal polypeptideFluid secretionBile duct-ligated ratsBile salt outputVasoactive intestinal polypeptideHepatocyte coupletsDose-dependent increaseDuct-ligated ratsBile pHVIP antagonistSite of actionSubstance PSecretory responseVIP responsesReceptor inhibitorsCAMP-independent pathwayBicarbonate secretionPotent stimulantSalt outputAbstractTextCharacterization of ion transport mechanisms involved in bombesin-stimulated biliary secretion in rat cholangiocytes
Cho W, Boyer J. Characterization of ion transport mechanisms involved in bombesin-stimulated biliary secretion in rat cholangiocytes. Journal Of Hepatology 1999, 30: 1045-1051. PMID: 10406182, DOI: 10.1016/s0168-8278(99)80258-x.Peer-Reviewed Original ResearchMeSH Keywords4,4'-Diisothiocyanostilbene-2,2'-Disulfonic AcidAcetazolamideAnimalsBarium CompoundsBileBile DuctsBombesinCarbonic Anhydrase InhibitorsChloride ChannelsChloridesIn Vitro TechniquesIon TransportMaleMicroscopy, VideoNitrobenzoatesPotassium ChannelsRatsRats, Sprague-DawleyTetraethylammonium
1997
Bombesin stimulates bicarbonate secretion from rat cholangiocytes: Implications for neural regulation of bile secretion
Cho W, Mennone A, Rydberg, Boyer J. Bombesin stimulates bicarbonate secretion from rat cholangiocytes: Implications for neural regulation of bile secretion. Gastroenterology 1997, 113: 311-321. PMID: 9207292, DOI: 10.1016/s0016-5085(97)70109-4.Peer-Reviewed Original ResearchConceptsBile secretionBicarbonate secretionRat liverBile duct-ligated ratsRole of bombesinHepatocyte coupletsEffect of bombesinDose-dependent increaseDuct-ligated ratsBile duct unitsCanalicular bile secretionBile pHSite of actionBile flowSubstance PReceptor inhibitorsNeural regulationAbstractTextBombesinBiliary transportDuct unitsSecretionLiverLuminal pHRat cholangiocytes
1993
Effect of secretion on intracellular pH regulation in isolated rat bile duct epithelial cells.
Alvaro D, Cho W, Mennone A, Boyer J. Effect of secretion on intracellular pH regulation in isolated rat bile duct epithelial cells. Journal Of Clinical Investigation 1993, 92: 1314-1325. PMID: 8397224, PMCID: PMC288273, DOI: 10.1172/jci116705.Peer-Reviewed Original ResearchConceptsBile duct epithelial cellsDuct epithelial cellsCl-/HCO3Cell depolarizationEpithelial cellsEffect of secretinCl- channel blockerEffects of secretionsCl removalCl- channel activationRat bile duct epithelial cellsKRB mediumMaximal rateRegulation of intracellularBicarbonate secretionNormal rat liverIntracellular pH regulationMM DIDSHCO3- excretionAcid loadBDE cellsSecretinMicrofluorimetric methodRat liverHCO3- influxRenal bicarbonate reabsorption in the rat. IV. Bicarbonate transport mechanisms in the early and late distal tubule.
Wang T, Malnic G, Giebisch G, Chan Y. Renal bicarbonate reabsorption in the rat. IV. Bicarbonate transport mechanisms in the early and late distal tubule. Journal Of Clinical Investigation 1993, 91: 2776-2784. PMID: 8390489, PMCID: PMC443344, DOI: 10.1172/jci116519.Peer-Reviewed Original ResearchConceptsLate distal tubuleBicarbonate absorptionDistal tubulesTubule segmentsBicarbonate transportH-ATPaseH-K-ATPase inhibitorsRate of bicarbonate absorptionEthyl-isopropylamilorideFluid absorptionNa(+)-H+ exchangeK(+)-H+ exchangeEarly distal tubuleBicarbonate transport mechanismDistal tubule segmentsRenal bicarbonate reabsorptionLow-K dietLuminal bicarbonate concentrationBicarbonate reabsorptionBicarbonate secretionBicarbonate concentrationH+ secretionMicroperfusion experimentsTubulesK diet
1992
Renal Acidification: Cellular Mechanisms of Tubular Transport and Regulation
Alpern R, Rector F. Renal Acidification: Cellular Mechanisms of Tubular Transport and Regulation. 1992, 767-812. DOI: 10.1002/cphy.cp080118.Peer-Reviewed Original Research
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