2006
The organic anion transport polypeptide 1d1 (Oatp1d1) mediates hepatocellular uptake of phalloidin and microcystin into skate liver
Meier-Abt F, Hammann-Hänni A, Stieger B, Ballatori N, Boyer J. The organic anion transport polypeptide 1d1 (Oatp1d1) mediates hepatocellular uptake of phalloidin and microcystin into skate liver. Toxicology And Applied Pharmacology 2006, 218: 274-279. PMID: 17198718, DOI: 10.1016/j.taap.2006.11.015.Peer-Reviewed Original ResearchConceptsSkate liverToxic liver injuryFunctional transport activityLiver-specific OATPsOrganic anion transporting polypeptidesLiver injuryOrganic anion transportersWater-injected oocytesXenobiotic toxinsHepatocellular uptakeBile saltsSkate hepatocytesOATP substratesHuman brainLiverPresent studyOatps/OATPsAnion transportersOATPDemethylphalloinHepatocytesTransport activityToxinCellular uptakeUptake
2001
Bile salt export pump is highly conserved during vertebrate evolution and its expression is inhibited by PFIC type II mutations
Cai S, Wang L, Ballatori N, Boyer J. Bile salt export pump is highly conserved during vertebrate evolution and its expression is inhibited by PFIC type II mutations. AJP Gastrointestinal And Liver Physiology 2001, 281: g316-g322. PMID: 11447010, DOI: 10.1152/ajpgi.2001.281.2.g316.Peer-Reviewed Original ResearchMeSH KeywordsAmino Acid SequenceAnimalsATP Binding Cassette Transporter, Subfamily B, Member 11ATP-Binding Cassette TransportersBiological TransportCholestasis, IntrahepaticCloning, MolecularConserved SequenceEvolution, MolecularHumansLiverMolecular Sequence DataMutationPhylogenyRNA, MessengerSequence Homology, Amino AcidSkates, FishSpodopteraTaurocholic AcidTransfectionConceptsSf9 cellsATP-dependent transport proteinsFull-length cloneATP-dependent export pumpLiver cDNA libraryNorthern blot analysisStructure-function relationshipsVertebrate evolutionEvolutionary originHuman BSEPBile salt export pump BSEPMutant proteinsSkate Raja erinaceaHigher vertebratesCDNA libraryTransport proteinsSixfold stimulationVertebratesType II mutationAmino acidsRaja erinaceaDefective expressionBlot analysisExport pumpMutationsExpression cloning of two genes that together mediate organic solute and steroid transport in the liver of a marine vertebrate
Wang W, Seward D, Li L, Boyer J, Ballatori N. Expression cloning of two genes that together mediate organic solute and steroid transport in the liver of a marine vertebrate. Proceedings Of The National Academy Of Sciences Of The United States Of America 2001, 98: 9431-9436. PMID: 11470901, PMCID: PMC55438, DOI: 10.1073/pnas.161099898.Peer-Reviewed Original Research
2000
A Primitive ATP Receptor from the Little Skate Raja erinacea *
Dranoff J, O'Neill A, Franco A, Cai S, Connolly G, Ballatori N, Boyer J, Nathanson M. A Primitive ATP Receptor from the Little Skate Raja erinacea *. Journal Of Biological Chemistry 2000, 275: 30701-30706. PMID: 10900200, DOI: 10.1074/jbc.m003366200.Peer-Reviewed Original ResearchConceptsLittle skate Raja erinaceaSkate Raja erinaceaDegenerate oligonucleotide probeRaja erinaceaP2Y receptor pharmacologySingle polymerase chain reaction productXenopus oocyte expression systemLiver cDNA libraryATP receptorsHigher organismsEvolutionary forerunnerCommon ancestorOocyte expression systemPhylogenetic analysisP2Y receptorsCDNA clonesPrimitive organismsCDNA libraryGene productsSubstrate preferenceMolecular basisExpression systemNucleotide specificityMammalian tissuesRange of nucleotidesATP-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
1999
Hepatic Toxicity and Persistence of ser/thr Protein Phosphatase Inhibition by Microcystin in the Little Skate Raja erinacea
Runnegar M, Seward D, Ballatori N, Crawford J, Boyer J. Hepatic Toxicity and Persistence of ser/thr Protein Phosphatase Inhibition by Microcystin in the Little Skate Raja erinacea. Toxicology And Applied Pharmacology 1999, 161: 40-49. PMID: 10558922, DOI: 10.1006/taap.1999.8783.Peer-Reviewed Original ResearchConceptsDose-dependent inhibitionSkate hepatocytesUptake of microcystinNear complete inhibitionPP activityInflammatory changesHepatic toxicityHepatocyte necrosisHistological changesAccompanying inhibitionHepatic lesionsBile acidsHigh dosesOnly organSignificant inhibitionSkate Raja erinaceaLittle skate Raja erinaceaInhibitionLiverRectal glandCarrier-mediated uptake of lucifer yellow in skate and rat hepatocytes: a fluid-phase marker revisited
Ballatori N, Hager D, Nundy S, Miller D, Boyer J. Carrier-mediated uptake of lucifer yellow in skate and rat hepatocytes: a fluid-phase marker revisited. American Journal Of Physiology 1999, 277: g896-g904. PMID: 10516157, DOI: 10.1152/ajpgi.1999.277.4.g896.Peer-Reviewed Original Research
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 ResearchConceptsChannel 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 mechanismEffluxEnterohepatic circulation of scymnol sulfate in an elasmobranch, the little skate (Raja erinacea)
Fricker G, Wössner R, Drewe J, Fricker R, Boyer J. Enterohepatic circulation of scymnol sulfate in an elasmobranch, the little skate (Raja erinacea). American Journal Of Physiology 1997, 273: g1023-g1030. PMID: 9374698, DOI: 10.1152/ajpgi.1997.273.5.g1023.Peer-Reviewed Original ResearchConceptsEnterohepatic circulationScymnol sulfateBile alcohol sulfatesBile flowBiliary secretionCholeretic effectMajor bile saltsHepatic uptakeHepatic eliminationIntestinal epitheliumBileLiverSkate liverHepatic transportSpecific transport mechanismsBile alcoholsMajor metaboliteFirst direct demonstrationBile saltsCholyltaurinePerfusateLittle skatePolar metabolitesCompetitive mannerDirect demonstration
1996
Disruption of Cell Volume Regulation by Mercuric Chloride Is Mediated by an Increase in Sodium Permeability and Inhibition of an Osmolyte Channel in Skate Hepatocytes
Ballatori N, Boyer J. Disruption of Cell Volume Regulation by Mercuric Chloride Is Mediated by an Increase in Sodium Permeability and Inhibition of an Osmolyte Channel in Skate Hepatocytes. Toxicology And Applied Pharmacology 1996, 140: 404-410. PMID: 8887458, DOI: 10.1006/taap.1996.0237.Peer-Reviewed Original ResearchActive microtubule-dependent secretion of a fluorescent bile salt derivative in skate hepatocyte clusters
Miller D, Fricker G, Schramm U, Henson J, Hager D, Nundy S, Ballatori N, Boyer J. Active microtubule-dependent secretion of a fluorescent bile salt derivative in skate hepatocyte clusters. American Journal Of Physiology 1996, 270: g887-g896. PMID: 8764193, DOI: 10.1152/ajpgi.1996.270.6.g887.Peer-Reviewed Original ResearchSwelling-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 typesCytoskeletal organization in clusters of isolated polarized skate hepatocytes: Structural and functional evidence for microtubule‐dependent transcytosis
Henson J, Capuano S, Nesbitt D, Hager D, Nundy S, Miller D, Ballatori N, Boyer J. Cytoskeletal organization in clusters of isolated polarized skate hepatocytes: Structural and functional evidence for microtubule‐dependent transcytosis. Journal Of Experimental Zoology 1995, 271: 273-284. PMID: 7722471, DOI: 10.1002/jez.1402710405.Peer-Reviewed Original ResearchExpression 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
Characteristics of bile salt uptake into skate hepatocytes
Fricker G, Dubost V, Finsterwald K, Boyer J. Characteristics of bile salt uptake into skate hepatocytes. Biochemical Journal 1994, 299: 665-670. PMID: 8192655, PMCID: PMC1138072, DOI: 10.1042/bj2990665.Peer-Reviewed Original ResearchConceptsOrganic anion transport systemBile salt uptakeBile alcoholsBile saltsBeta-cholestane-3 alphaBile salt transportUnconjugated bile saltsTaurine-conjugated bile saltsHepatic uptakeAlpha-triolSkate bileInhibitory effectLiver cellsSkate hepatocytesIndependent transport systemsCholyltaurine transportCholyltaurineHepatocytesInhibitionAlphaUptakeSpecificity
1993
Characterization of bumetanide transport in isolated skate hepatocytes
Blumrich M, Petzinger E, Boyer J. Characterization of bumetanide transport in isolated skate hepatocytes. American Journal Of Physiology 1993, 265: g926-g933. PMID: 8238522, DOI: 10.1152/ajpgi.1993.265.5.g926.Peer-Reviewed Original Research
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 mechanismsUptakeReplacementTaurine transport in skate hepatocytes. II. Volume activation, energy, and sulfhydryl dependence
Ballatori N, Boyer J. Taurine transport in skate hepatocytes. II. Volume activation, energy, and sulfhydryl dependence. American Journal Of Physiology 1992, 262: g451-g460. PMID: 1550235, DOI: 10.1152/ajpgi.1992.262.3.g451.Peer-Reviewed Original Research