1996
Tauroursodeoxycholic acid activates protein kinase C in isolated rat hepatocytes
Beuers U, Throckmorton D, Anderson, Isales C, Thasler W, Kullak-Ublick G, Sauter G, Koebe H, Paumgartner G, Boyer J. Tauroursodeoxycholic acid activates protein kinase C in isolated rat hepatocytes. Gastroenterology 1996, 110: 1553-1563. PMID: 8613063, DOI: 10.1053/gast.1996.v110.pm8613063.Peer-Reviewed Original ResearchConceptsEffect of TUDCATauroursodeoxycholic acidProtein kinase CHepatocellular Ca2Chronic cholestatic liver diseaseCholestatic liver diseaseAlpha-PKCPKC activityLiver diseaseLiver functionRadioenzymatic techniqueExperimental cholestasisPhorbol ester phorbolActivation of PKCKinase CTaurocholic acidImmunofluorescence techniqueAbstractTextMembrane-associated PKC activitySignificant increaseAIMSStimulation of exocytosisUnknown mechanismParticulate membrane fractionHepatocytes
1994
Effects of protein kinase C and cytosolic Ca2+ on exocytosis in the isolated perfused rat liver
Bruck R, Nathanson M, Roelofsen H, Boyer J. Effects of protein kinase C and cytosolic Ca2+ on exocytosis in the isolated perfused rat liver. Hepatology 1994, 20: 1032-1040. PMID: 7927205, DOI: 10.1002/hep.1840200436.Peer-Reviewed Original ResearchConceptsProtein kinase CKinase CApical exocytosisRegulation of exocytosisProtein kinase C inhibitor HHorseradish peroxidase concentrationCytosolic Ca2ExocytosisCell typesInhibitor HProtein kinase C activator phorbol dibutyrateHorseradish peroxidase excretionPhorbol dibutyrateCa2Rat liverRelative importanceNet excretionPeroxidase concentrationsHepatocytes
1993
Intracellular alkalinization stimulates bile flow and vesicular-mediated exocytosis in IPRL
Bruck R, Benedetti A, Strazzabosco M, Boyer J. Intracellular alkalinization stimulates bile flow and vesicular-mediated exocytosis in IPRL. American Journal Of Physiology 1993, 265: g347-g353. PMID: 8368316, DOI: 10.1152/ajpgi.1993.265.2.g347.Peer-Reviewed Original ResearchMeSH Keywords4-Acetamido-4'-isothiocyanatostilbene-2,2'-disulfonic Acid4,4'-Diisothiocyanostilbene-2,2'-Disulfonic AcidAlkaliesAnimalsAnionsBariumBicarbonatesBileBiological TransportColchicineExocytosisHorseradish PeroxidaseHydrogen-Ion ConcentrationIn Vitro TechniquesIntracellular MembranesLiverMalePotassium ChannelsRatsRats, Sprague-DawleyConceptsBiliary HCO3- excretionBile flowHCO3- excretionIntracellular alkalinizationHCO3- exchangerAcute alkaline loadVesicle-mediated exocytosisBiliary excretionTransient increasePH recoveryAlkaline loadMembrane depolarizationRat liverChannel blocker BaCl2Intact liverLiverAlkalinizationMM NH4ClHCO3- concentrationDisulfonic acidDIDSRat hepatocytesColchicinePretreatmentExocytosis
1992
Regulatory volume decrease stimulates bile flow, bile acid excretion, and exocytosis in isolated perfused rat liver
Bruck R, Haddad P, Graf J, Boyer J. Regulatory volume decrease stimulates bile flow, bile acid excretion, and exocytosis in isolated perfused rat liver. American Journal Of Physiology 1992, 262: g806-g812. PMID: 1590390, DOI: 10.1152/ajpgi.1992.262.5.g806.Peer-Reviewed Original Research