2008
ATP8B1 Deficiency Disrupts the Bile Canalicular Membrane Bilayer Structure in Hepatocytes, But FXR Expression and Activity Are Maintained
Cai S, Gautam S, Nguyen T, Soroka CJ, Rahner C, Boyer JL. ATP8B1 Deficiency Disrupts the Bile Canalicular Membrane Bilayer Structure in Hepatocytes, But FXR Expression and Activity Are Maintained. Gastroenterology 2008, 136: 1060-1069.e4. PMID: 19027009, PMCID: PMC3439851, DOI: 10.1053/j.gastro.2008.10.025.Peer-Reviewed Original ResearchMeSH Keywords4-Chloro-7-nitrobenzofurazanAdenosine TriphosphatasesAnimalsATP Binding Cassette Transporter, Subfamily B, Member 11ATP-Binding Cassette TransportersBile CanaliculiCaco-2 CellsChenodeoxycholic AcidDNA-Binding ProteinsGastrointestinal AgentsGene ExpressionHepatocytesHumansMultidrug Resistance-Associated Protein 2PhosphatidylserinesPhospholipid Transfer ProteinsRatsReceptors, Cytoplasmic and NuclearRNA, Small InterferingTranscription FactorsTransfectionConceptsAminophospholipid flippaseMessenger RNAMembrane bilayer structureCanalicular membraneFarnesoid X receptorRat hepatocytesSmall heterodimer partnerMembrane transportersNBD-phosphatidylserineHeterodimer partnerDeficiency disruptsLuminal accumulationMembrane disruptionRNAConflicting hypothesesRat cellsFlippaseProtein levelsProtein expressionX receptorExpressionBSEP functionATP8B1CellsMembrane
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
1994
Expression and characterization of a functional rat liver Na+ bile acid cotransport system in COS-7 cells
Boyer J, Ng O, Ananthanarayanan M, Hofmann A, Schteingart C, Hagenbuch B, Stieger B, Meier P. Expression and characterization of a functional rat liver Na+ bile acid cotransport system in COS-7 cells. American Journal Of Physiology 1994, 266: g382-g387. PMID: 8166278, DOI: 10.1152/ajpgi.1994.266.3.g382.Peer-Reviewed Original ResearchConceptsCOS-7 cellsCotransport systemBile acid transporterUrsodeoxycholic acidTaurochenodeoxycholic acidAcid cotransport systemTauroursodeoxycholic acidBile acidsRat hepatocytesAbsence of sodiumChenodeoxycholic acidCOS cellsEmpty plasmidPMAMneo vectorCholic acidBile acid cotransporterMicroM bilirubinRat liverEvidence of expressionCell linesAcid transportersPosttranslational factorsProgressive uptakeCotransporterAcid cotransporter