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 pumpMutations
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 nucleotidesBile 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
1995
Carrier mediated uptake of Lucifer Yellow in liver of Raja erinacea, the small skate and the rat: A fluid phase marker revisited
Nundy S, Hager D, Kaljuvee J, Rexroad J, Ballatori N, Miller D, Boyer J. Carrier mediated uptake of Lucifer Yellow in liver of Raja erinacea, the small skate and the rat: A fluid phase marker revisited. Hepatology 1995, 22: a309. DOI: 10.1016/0270-9139(95)94958-5.Peer-Reviewed Original Research
1991
Mechanism of mercurial inhibition of sodium-coupled alanine uptake in liver plasma membrane vesicles from Raja erinacea
Sellinger M, Ballatori N, Boyer J. Mechanism of mercurial inhibition of sodium-coupled alanine uptake in liver plasma membrane vesicles from Raja erinacea. Toxicology And Applied Pharmacology 1991, 107: 369-376. PMID: 1994517, DOI: 10.1016/0041-008x(91)90216-2.Peer-Reviewed Original ResearchConceptsDependent alanine uptakePlasma membrane vesiclesMembrane vesiclesAlanine uptakePrimitive vertebratesPlasma membraneTransport proteinsConcentration-dependent mechanismLiver plasma membrane vesiclesMicroM HgCl2Mammalian hepatocytesAlanine carrierSulfhydryl groupsLittle skateMembrane integrityRaja erinaceaDirect interactionVesiclesVesicle integrityMembrane permeabilityMercurial inhibitionUptake rateDose-dependent mannerHgCl2 concentrationsLiver plasma membranes
1988
Effect of l-alanine on membrane potential, potassium (86Rb) permeability and cell volume in hepatocytes from Raja erinacea
Ballatori N, Wondergem R, Boyer J. Effect of l-alanine on membrane potential, potassium (86Rb) permeability and cell volume in hepatocytes from Raja erinacea. Biochimica Et Biophysica Acta 1988, 946: 261-269. PMID: 3207743, DOI: 10.1016/0005-2736(88)90401-4.Peer-Reviewed Original ResearchCharacteristics of L-alanine uptake in freshly isolated hepatocytes of elasmobranch Raja erinacea
Ballatori N, Boyer J. Characteristics of L-alanine uptake in freshly isolated hepatocytes of elasmobranch Raja erinacea. American Journal Of Physiology 1988, 254: r801-r808. PMID: 3364608, DOI: 10.1152/ajpregu.1988.254.5.r801.Peer-Reviewed Original ResearchConceptsNeutral amino acid transport systemElasmobranch Raja erinaceaMajor gluconeogenic precursorMM alanineSodium-dependent systemAmino acid transport systemsRaja erinaceaHepatic uptakeHepatic concentrationsAcid transport systemL-alanine uptakeAminotransferase activityTumor cellsSpecific transport mechanismsMeAIB transportGluconeogenic precursorsSaturable mechanismSkate hepatocytesHepatocytesAlanine metabolismGlucose releaseMeAIBHepatocyte suspensionsRat hepatocytesUptake
1987
Anion transport in basolateral (sinusoidal) liver plasma-membrane vesicles of the little skate (Raja erinacea)
Hugentobler G, Fricker G, Boyer J, Meier P. Anion transport in basolateral (sinusoidal) liver plasma-membrane vesicles of the little skate (Raja erinacea). Biochemical Journal 1987, 247: 589-595. PMID: 3426551, PMCID: PMC1148453, DOI: 10.1042/bj2470589.Peer-Reviewed Original ResearchMeSH Keywords4,4'-Diisothiocyanostilbene-2,2'-Disulfonic Acid4-Acetamido-4'-isothiocyanatostilbene-2,2'-disulfonic AcidAnimalsBiological TransportCarbonyl Cyanide m-Chlorophenyl HydrazoneCell MembraneCholic AcidCholic AcidsElectric FishHydrogen-Ion ConcentrationIn Vitro TechniquesLiverMaleProbenecidSkates, FishSulfatesConceptsPlasma membrane vesiclesBasolateral liver plasma membrane vesiclesSulfate uptakeLiver plasma membrane vesiclesProtonophore carbonyl cyanideSulfate transport systemVertebrate evolutionMammalian liver cellsPH-equilibrated conditionsTransmembrane transportPH gradientLittle skateRaja erinaceaUptake 5Carbonyl cyanideCI inhibitionAnion transport inhibitorAlkaline pH gradientVesiclesAnion transportSkate hepatocytesCertain organic anionsUptakeLiver cellsElasmobranchs
1986
Slow biliary elimination of methyl mercury in the marine elasmobranchs, Raja erinacea and Squalus acanthias
Ballatori N, Boyer J. Slow biliary elimination of methyl mercury in the marine elasmobranchs, Raja erinacea and Squalus acanthias. Toxicology And Applied Pharmacology 1986, 85: 407-415. PMID: 3764924, DOI: 10.1016/0041-008x(86)90348-0.Peer-Reviewed Original ResearchConceptsMarine elasmobranchsExcretory processesMarine speciesGlutathione biosynthesisDogfish sharkSharksRaja erinaceaMammalsSkateL-buthionineElasmobranchsR-sulfoximineMethyl mercuryFishSpeciesGlutathioneFree-swimming fishBiosynthesisErinaceaSwimming fishSmall fractionSlower rateBile formationSqualusMercury chloride
1982
Hemodynamic effects on oxygen consumption and bile flow in isolated skate liver
Reed J, Smith N, Boyer J. Hemodynamic effects on oxygen consumption and bile flow in isolated skate liver. American Journal Of Physiology 1982, 242: g313-g318. PMID: 7065253, DOI: 10.1152/ajpgi.1982.242.4.g313.Peer-Reviewed Original ResearchConceptsPerfusion pressureBile flowSkate liverOxygen consumptionOrganic anion clearanceBile flow ratePortal vein pressurePerfusion of liversHemodynamic effectsVein pressureBile secretionFractional disappearance rateHepatic clearanceLiverDisappearance rateRinger's solutionPerfusionBileClearanceTaurocholateRaja erinaceaSulfobromophthaleinVivoMammalian speciesPerfusate
1976
Selective Hepatic Uptake and Biliary Excretion of 35S-Sulfobromophthalein in Marine Elasmobranchs
Boyer J, Schwarz J, Smith N. Selective Hepatic Uptake and Biliary Excretion of 35S-Sulfobromophthalein in Marine Elasmobranchs. Gastroenterology 1976, 70: 254-256. PMID: 1248686, DOI: 10.1016/s0016-5085(76)80019-4.Peer-Reviewed Original ResearchConceptsBinding proteinOrganic anion binding proteinMarine vertebratesHigher vertebratesSpecific binding proteinMarine elasmobranchsPhysiological significanceRaja erinaceaMarine lifeVertebratesElasmobranchsProteinTransport systemOrganic anionsErinaceaSpeciesSelective hepatic uptakeUptakeSkateSqualusDogfishMetabolismMigration