1995
Expression of sodium-independent organic anion uptake systems of skate liver in Xenopus laevis oocytes
Jacquemin E, Hagenbuch B, Wolkoff A, Meier P, Boyer J. Expression of sodium-independent organic anion uptake systems of skate liver in Xenopus laevis oocytes. American Journal Of Physiology 1995, 268: g18-g23. PMID: 7840202, DOI: 10.1152/ajpgi.1995.268.1.g18.Peer-Reviewed Original ResearchConceptsBSP uptakeSkate liverTaurocholate uptakeXenopus laevis oocytesOrganic anion transport systemInjection of oocytesLaevis oocytesLiverAnion transport systemRat liverSulfobromophthalein uptakeUptake systemOocytesMRNADisulfonic acidUptake activityFunctional expressionLiver mRNAUptakeExpressionSerum albuminLower vertebrates
1994
A volume-activated taurine channel in skate hepatocytes: membrane polarity and role of intracellular ATP
Ballatori N, Simmons T, Boyer J. A volume-activated taurine channel in skate hepatocytes: membrane polarity and role of intracellular ATP. American Journal Of Physiology 1994, 267: g285-g291. PMID: 7521136, DOI: 10.1152/ajpgi.1994.267.2.g285.Peer-Reviewed Original ResearchConceptsCell swellingSkate hepatocytesIntracellular ATPExtracellular taurine concentrationMetabolic inhibitorsSinusoidal circulationHypotonic stimuliTaurine concentrationsTaurine effluxTaurine uptakeIndependent uptakeTaurine channelSkate liverEfflux mechanismTaurineLiverHepatocytesInhibitorsEffluxBasolateral membraneOsmolyte taurineSwellingAntimycin ADisulfonic acidTransport inhibitors
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
Taurine transport in skate hepatocytes. I. Uptake and efflux
Ballatori N, Boyer J. Taurine transport in skate hepatocytes. I. Uptake and efflux. American Journal Of Physiology 1992, 262: g445-g450. PMID: 1550234, DOI: 10.1152/ajpgi.1992.262.3.g445.Peer-Reviewed Original ResearchConceptsSkate hepatocytesDependent uptake processIntracellular taurine levelsTaurine uptake systemsTaurine levelsMicroM taurineTaurine uptakeIsosmotic replacementTaurine transportEfflux pathwaySlow effluxExtracellular ClIndependent uptake systemAmino sulfonic acidI. UptakeTaurine accumulationHepatocytesUptake systemEffluxTaurineDisulfonic acidBeta-amino acidsDistinct mechanismsUptakeReplacement
1990
Effects of osmotic stresses on isolated rat hepatocytes. II. Modulation of intracellular pH
Gleeson D, Corasanti J, Boyer J. Effects of osmotic stresses on isolated rat hepatocytes. II. Modulation of intracellular pH. American Journal Of Physiology 1990, 258: g299-g307. PMID: 2305896, DOI: 10.1152/ajpgi.1990.258.2.g299.Peer-Reviewed Original ResearchMeSH Keywords4-Acetamido-4'-isothiocyanatostilbene-2,2'-disulfonic Acid4,4'-Diisothiocyanostilbene-2,2'-Disulfonic AcidAnimalsBicarbonatesBuffersCells, CulturedCholineHydrogen-Ion ConcentrationHypertonic SolutionsHypotonic SolutionsIntracellular FluidKineticsLiverMaleOsmolar ConcentrationRatsRats, Inbred StrainsSodiumConceptsRegulatory volume decreaseAbsence of HCO3Presence of HCO3Acid-base transport systemsModulation of intracellularRat hepatocytesVolume regulationAcute withdrawalMM amilorideGreater intracellularHCO3- exchangeAcid effluxIsotonic mediumIsolated rat hepatocytesSame maneuverCell volume regulationHepatocytesNet acid effluxAmilorideSubconfluent monolayersDisulfonic acidIntracellularVolume decreaseHypotonic mediumHypertonic medium
1987
Identification of a single sinusoidal bile salt uptake system in skate liver
Fricker G, Hugentobler G, Meier P, Kurz G, Boyer J. Identification of a single sinusoidal bile salt uptake system in skate liver. American Journal Of Physiology 1987, 253: g816-g822. PMID: 3425718, DOI: 10.1152/ajpgi.1987.253.6.g816.Peer-Reviewed Original ResearchConceptsBile salt uptakeSkate liverAlpha-dihydroxy-5 betaBile salt derivativesAzo-3 alphaBile acid uptakeConcentration-dependent mannerPredominant bile saltHepatic uptakePhotolabile bile salt derivativeIndependent transport mechanismsAcid uptakeLiverApparent molecular weightBile saltsRat liverTaurocholate uptakeSkate hepatocytesAnion transport inhibitorUptake systemHepatocytesPhotoaffinity labelingTaurocholateDisulfonic acidIrreversible inhibition