2000
ATP-dependent GSH and glutathioneS-conjugate transport in skate liver: role of an Mrp functional homologue
Rebbeor J, Connolly G, Henson J, Boyer J, Ballatori N. ATP-dependent GSH and glutathioneS-conjugate transport in skate liver: role of an Mrp functional homologue. AJP Gastrointestinal And Liver Physiology 2000, 279: g417-g425. PMID: 10915652, DOI: 10.1152/ajpgi.2000.279.2.g417.Peer-Reviewed Original ResearchMeSH KeywordsAdenosine TriphosphateAnimalsAnion Transport ProteinsAnionsATP-Binding Cassette TransportersBileBiological TransportCarrier ProteinsCell MembraneEnzyme InhibitorsGlutathioneLiverMaleOxidation-ReductionProtein BindingRatsRats, Sprague-DawleySkates, FishSubstrate SpecificityTaurocholic AcidTritiumConceptsATP-dependent transportLiver membrane vesiclesATP-dependent GSH transportMembrane vesiclesTransport activityATP-independent mechanismGlutathione-conjugate transportFunctional homologueMammalian cellsDNP-SG uptakePlasma membraneHomologous proteinsSkate liverGSH transportLow-affinity pathwayLittle skateMRP familyMultidrug resistance-associated protein 1GSH effluxFunctional assaysProtein 1First direct evidenceProtein bandsDirect evidenceHomologuesBile salt excretion in skate liver is mediated by a functional analog of Bsep/Spgp, the bile salt export pump
Ballatori N, Rebbeor J, Connolly G, Seward D, Lenth B, Henson J, Sundaram P, Boyer J. Bile salt excretion in skate liver is mediated by a functional analog of Bsep/Spgp, the bile salt export pump. AJP Gastrointestinal And Liver Physiology 2000, 278: g57-g63. PMID: 10644562, DOI: 10.1152/ajpgi.2000.278.1.g57.Peer-Reviewed Original ResearchConceptsTransport activityPlasma membrane vesiclesApparent molecular massVertebrate evolutionATP-dependent componentMultidrug resistance protein 1Similar transport activityFunctional characterizationPlasma membraneApical localizationCanalicular membraneResistance protein 1Liver plasma membrane vesiclesATP-dependent uptakeSkate liverMembrane vesiclesWestern blot analysisDominant protein bandsMammalian liverMolecular massLittle skateFunctional analogueProtein 1Raja erinaceaCanalicular multidrug resistance
1997
ATP regulation of a swelling‐activated osmolyte channel in skate hepatocytes
Ballatori N, Boyer J. ATP regulation of a swelling‐activated osmolyte channel in skate hepatocytes. Journal Of Experimental Zoology 1997, 279: 471-475. PMID: 9392868, DOI: 10.1002/(sici)1097-010x(19971201)279:5<471::aid-jez9>3.0.co;2-l.Peer-Reviewed Original ResearchMeSH KeywordsAdenosine TriphosphateAnimalsAnionsHypotonic SolutionsIn Vitro TechniquesIon ChannelsLiverSkates, FishTaurineWater-Electrolyte BalanceConceptsChannel blockersTaurine effluxRegulatory volume decreaseVolume-activated taurine effluxRelease of taurineSkate hepatocytesIntracellular ATPIon channel blockersChloride permeability ratioIntracellular ATP levelsControl levelsOsmolyte channelIntracellular organic osmolytesWhole cell preparationsCell preparationsATP levelsBlockersHypotonic swellingChannel openingHepatocytesVolume decreaseAdditional mechanismEfflux
1996
Swelling-activated anion conductance in skate hepatocytes: regulation by cell Cl- and ATP
Jackson P, Churchwell K, Ballatori N, Boyer J, Strange K. Swelling-activated anion conductance in skate hepatocytes: regulation by cell Cl- and ATP. American Journal Of Physiology 1996, 270: c57-c66. PMID: 8772430, DOI: 10.1152/ajpcell.1996.270.1.c57.Peer-Reviewed Original Research
1995
ATP depletion and inactivation of an ATP-sensitive taurine channel by classic ion channel blockers.
Ballatori N, Truong A, Jackson P, Strange K, Boyer J. ATP depletion and inactivation of an ATP-sensitive taurine channel by classic ion channel blockers. Molecular Pharmacology 1995, 48: 472-6. PMID: 7565627.Peer-Reviewed Original ResearchConceptsIon channel blockersChannel blockersVolume-activated anion channelsATP levelsATP contentActivity of ATPPhysiologic alterationsIntracellular ATP levelsCellular ATPTaurine effluxBlockersIntracellular ATP contentTaurine channelCellular ATP levelsATP/ADP ratioIntracellular organic osmolytesSkate hepatocytesIntracellular ATPATP depletionCell volume regulationDifferent cell typesEffluxCellular ATP concentrationMetabolic poisonsCell types
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 ResearchMeSH KeywordsAdenosine TriphosphateAnimalsBileCell PolarityIntracellular MembranesIon ChannelsLiverMalePotassiumTaurineConceptsCell swellingSkate hepatocytesIntracellular ATPExtracellular taurine concentrationMetabolic inhibitorsSinusoidal circulationHypotonic stimuliTaurine concentrationsTaurine effluxTaurine uptakeIndependent uptakeTaurine channelSkate liverEfflux mechanismTaurineLiverHepatocytesInhibitorsEffluxBasolateral membraneOsmolyte taurineSwellingAntimycin ADisulfonic acidTransport inhibitors