1997
Na+‐dependent and ‐independent Cl−/HCO exchange mediate cellular HCO transport in cultured human intrahepatic bile duct cells
Strazzabosco M, Joplin R, Zsembery A, Wallace L, Spirli C, Fabris L, Granato A, Rossanese A, Poci C, Neuberger J, Okolicsanyi L, Crepaldi G. Na+‐dependent and ‐independent Cl−/HCO exchange mediate cellular HCO transport in cultured human intrahepatic bile duct cells. Hepatology 1997, 25: 976-985. PMID: 9096607, DOI: 10.1002/hep.510250431.Peer-Reviewed Original ResearchConceptsEpithelial membrane antigenIntracellular acid loadHuman cholangiocytesAcid loadIntrahepatic bile duct cellsFactor VIII-related antigenIntracellular cyclic adenosine monophosphate (cAMP) concentrationsBiliary HCO3- secretionPediatric liver transplantationAdministration of agentsCyclic adenosine monophosphate concentrationsHuman hepatocyte growth factorVIII-related antigenBile duct cellsNormal liver tissueBiliary epithelial cellsCl- channel inhibitorsHepatocyte growth factorAdenosine monophosphate concentrationsIntracellular cAMP concentrationLiver transplantationReduced graftAbsence of HCO3Biliary treeAcid loaderTransport systems in cholangiocytes: their role in bile formation and cholestasis.
Strazzabosco M. Transport systems in cholangiocytes: their role in bile formation and cholestasis. The Yale Journal Of Biology And Medicine 1997, 70: 427-34. PMID: 9626763, PMCID: PMC2589334.Peer-Reviewed Original ResearchConceptsBiliary epitheliumCa-activated Cl channelsChronic cholestatic disorderPathogenesis of cholestasisBile duct diseaseCholangiocyte deathFormation of bilePortal inflammationBiliary cirrhosisProinflammatory mediatorsLiver diseaseClinical picturePathophysiological pointCholestatic disordersDuct diseaseProliferative responseBiliary constituentsBile acidsCystic fibrosisPortal spacesSecretory functionBile formationCholestasisDuctular secretionSecretory activity
1994
Regulation of activity and apical targeting of the Cl-/HCO3- exchanger in rat hepatocytes.
Benedetti A, Strazzabosco M, Ng O, Boyer J. Regulation of activity and apical targeting of the Cl-/HCO3- exchanger in rat hepatocytes. Proceedings Of The National Academy Of Sciences Of The United States Of America 1994, 91: 792-796. PMID: 8290601, PMCID: PMC43035, DOI: 10.1073/pnas.91.2.792.Peer-Reviewed Original ResearchConceptsApical targetingExchange activityRegulation of activityMembrane localizationCl-/HCO3Dibutyryl cAMPProtein kinase C agonistsRat hepatocytesProtein kinase C agonist phorbolEcto-ATPaseConfocal microscopyCanalicular domainC agonistsProteinVesiclesTargetingCanalicular localizationLocalizationCAMPHepatocyte coupletsHepatocytesActivityRegulationPhorbolColchicine