2011
Splice isoform estrogen receptors as integral transmembrane proteins
Kim KH, Toomre D, Bender JR. Splice isoform estrogen receptors as integral transmembrane proteins. Molecular Biology Of The Cell 2011, 22: 4415-4423. PMID: 21937726, PMCID: PMC3216666, DOI: 10.1091/mbc.e11-05-0416.Peer-Reviewed Original ResearchConceptsSplice isoformsTotal internal reflection fluorescence microscopySteroid hormone receptorsIntegral transmembrane proteinN-terminal ectodomainReflection fluorescence microscopyHormone receptorsTransmembrane proteinPlasma membraneProtein structureHuman endothelial cellsLigand engagementPotential novel therapeutic targetER46Fluorescence microscopyNovel therapeutic targetEcliptic pHluorinActivation signalsEndothelial nitric oxide synthase activationEstrogen receptor αENOS activationReceptor αIsoformsTherapeutic targetNitric oxide synthase activation
2007
Variant estrogen receptor–c-Src molecular interdependence and c-Src structural requirements for endothelial NO synthase activation
Li L, Hisamoto K, Kim KH, Haynes MP, Bauer PM, Sanjay A, Collinge M, Baron R, Sessa WC, Bender JR. Variant estrogen receptor–c-Src molecular interdependence and c-Src structural requirements for endothelial NO synthase activation. Proceedings Of The National Academy Of Sciences Of The United States Of America 2007, 104: 16468-16473. PMID: 17921256, PMCID: PMC2034248, DOI: 10.1073/pnas.0704315104.Peer-Reviewed Original ResearchConceptsC-SrcC-Src kinase activityTyrosine kinase c-SrcRapid signal transductionKinase c-SrcC-Src functionC-Src kinaseEndothelial NO synthase activationENOS activationMembrane recruitmentSignal transductionComplex assemblyPlasma membraneKinase activityOestrogen receptor-alpha variantsVenous endothelial cellsER46Pathway activationHormonal stimuliCritical roleArterial responseNO synthase activationSynthase activationStructural requirementsEndothelial cells
2005
Dynamic Partitioning into Lipid Rafts Controls the Endo-Exocytic Cycle of the αL/β2 Integrin, LFA-1, during Leukocyte Chemotaxis
Fabbri M, Di Meglio S, Gagliani MC, Consonni E, Molteni R, Bender JR, Tacchetti C, Pardi R. Dynamic Partitioning into Lipid Rafts Controls the Endo-Exocytic Cycle of the αL/β2 Integrin, LFA-1, during Leukocyte Chemotaxis. Molecular Biology Of The Cell 2005, 16: 5793-5803. PMID: 16207819, PMCID: PMC1289422, DOI: 10.1091/mbc.e05-05-0413.Peer-Reviewed Original ResearchConceptsDetergent-resistant membranesInternalized receptorsLate endosomal pathwayCholesterol-sequestering agentRab11 mutantDRM associationPolarized recyclingCell rearCell frontPlasma membraneChemoattractant stimulationEndocytic compartmentsEndosomal pathwayAdhesion receptorsCell migrationNew protrusionsIntegrinsLFA-1Dynamic redistributionMutantsLamellipodiaAdhesive interactionsPrimary neutrophilsIntracellular accumulationΒ2 integrins
2003
Plasma membrane localization and function of the estrogen receptor α variant (ER46) in human endothelial cells
Li L, Haynes MP, Bender JR. Plasma membrane localization and function of the estrogen receptor α variant (ER46) in human endothelial cells. Proceedings Of The National Academy Of Sciences Of The United States Of America 2003, 100: 4807-4812. PMID: 12682286, PMCID: PMC153637, DOI: 10.1073/pnas.0831079100.Peer-Reviewed Original ResearchMeSH KeywordsAlternative SplicingAnimalsBase SequenceCell LineCell MembraneCOS CellsEndothelium, VascularEstrogen Receptor alphaGenes, ReporterGenetic VariationHumansNitric Oxide SynthaseNitric Oxide Synthase Type IIIProtein Processing, Post-TranslationalReceptors, EstrogenRecombinant ProteinsRNA, MessengerSubcellular FractionsTranscriptional ActivationTransfectionConceptsPlasma membranePalmitoylation-dependent mannerPlasma membrane localizationInhibition of palmitoylationFull-length ER alphaReporter gene transactivationCOS-7 cellsEndothelial cell proteinsMembrane localizationAlternative splicingEstrogen receptor α variantsOestrogen receptor-alpha variantsN-terminusHuman endothelial cellsCell proteinsER46Synthase pathwayAcid labelingHy926 cellsNonendothelial cellsENOS activationENOS phosphorylationCellsEndothelial cellsMembrane
1999
A tyrosine‐based sorting signal in the β2 integrin cytoplasmic domain mediates its recycling to the plasma membrane and is required for ligand‐supported migration
Fabbri M, Fumagalli L, Bossi G, Bianchi E, Bender J, Pardi R. A tyrosine‐based sorting signal in the β2 integrin cytoplasmic domain mediates its recycling to the plasma membrane and is required for ligand‐supported migration. The EMBO Journal 1999, 18: 4915-4925. PMID: 10487744, PMCID: PMC1171563, DOI: 10.1093/emboj/18.18.4915.Peer-Reviewed Original ResearchConceptsIntegrin cytoplasmic domainCytoplasmic domainBeta-subunit cytoplasmic domainAdhesive functionTyrosine-based endocytic signalsSubunit cytoplasmic domainClathrin-dependent endocytosisSite-directed mutagenesisNon-conservative substitutionsChinese hamster ovary cellsEndocytic signalsRegulated internalizationMembrane rufflesUnrelated functionsRecycling compartmentHamster ovary cellsEctopic expressionPlasma membraneReceptor recyclingDegradative pathwayIntegrin dynamicsCell adhesionCell migrationCell surfaceOvary cells
1995
Conserved regions in the cytoplasmic domains of the leukocyte integrin alpha L beta 2 are involved in endoplasmic reticulum retention, dimerization, and cytoskeletal association.
Pardi R, Bossi G, Inverardi L, Rovida E, Bender J. Conserved regions in the cytoplasmic domains of the leukocyte integrin alpha L beta 2 are involved in endoplasmic reticulum retention, dimerization, and cytoskeletal association. The Journal Of Immunology 1995, 155: 1252-63. PMID: 7636193, DOI: 10.4049/jimmunol.155.3.1252.Peer-Reviewed Original ResearchMeSH KeywordsAllosteric RegulationAmino Acid SequenceAnimalsCell CompartmentationCell Line, TransformedChlorocebus aethiopsCytoskeletonEndoplasmic ReticulumLymphocyte Function-Associated Antigen-1Molecular Sequence DataProtein ConformationProtein MultimerizationProtein Structure, TertiaryRecombinant Fusion ProteinsSequence DeletionT-LymphocytesTetradecanoylphorbol AcetateTransfectionConceptsAlpha L beta 2Cytoplasmic domainEndoplasmic reticulum retentionCytoskeletal associationBeta subunitAlpha L subunitAlpha beta complexFunction of integrinsBeta 2GFFKR motifAdherent cellsDeletion mutantsSubstitution mutantsEctopic expressionIntegrin alphaPlasma membraneHeterodimer formationConserved regionsAdhesion receptorsBeta complexCytoplasmic truncationRegulated functionsL subunitsStructural determinantsAlpha L