2017
Land-locked mammalian Golgi reveals cargo transport between stable cisternae
Dunlop MH, Ernst AM, Schroeder LK, Toomre DK, Lavieu G, Rothman JE. Land-locked mammalian Golgi reveals cargo transport between stable cisternae. Nature Communications 2017, 8: 432. PMID: 28874656, PMCID: PMC5585379, DOI: 10.1038/s41467-017-00570-z.Peer-Reviewed Original Research
2016
Endothelial exocytosis of angiopoietin-2 resulting from CCM3 deficiency contributes to cerebral cavernous malformation
Zhou HJ, Qin L, Zhang H, Tang W, Ji W, He Y, Liang X, Wang Z, Yuan Q, Vortmeyer A, Toomre D, Fuh G, Yan M, Kluger MS, Wu D, Min W. Endothelial exocytosis of angiopoietin-2 resulting from CCM3 deficiency contributes to cerebral cavernous malformation. Nature Medicine 2016, 22: 1033-1042. PMID: 27548575, PMCID: PMC5014607, DOI: 10.1038/nm.4169.Peer-Reviewed Original ResearchMeSH KeywordsAngiopoietin-1Angiopoietin-2AnimalsApoptosis Regulatory ProteinsBrainEndothelium, VascularEnzyme-Linked Immunosorbent AssayExocytosisFluorescent Antibody TechniqueGene Expression ProfilingHemangioma, Cavernous, Central Nervous SystemHumansIntracellular Signaling Peptides and ProteinsMembrane ProteinsMiceNerve Tissue ProteinsProto-Oncogene ProteinsReceptor, TIE-2Vesicle-Associated Membrane Protein 3
2013
A Network of Interactions Enables CCM3 and STK24 to Coordinate UNC13D-Driven Vesicle Exocytosis in Neutrophils
Zhang Y, Tang W, Zhang H, Niu X, Xu Y, Zhang J, Gao K, Pan W, Boggon TJ, Toomre D, Min W, Wu D. A Network of Interactions Enables CCM3 and STK24 to Coordinate UNC13D-Driven Vesicle Exocytosis in Neutrophils. Developmental Cell 2013, 27: 215-226. PMID: 24176643, PMCID: PMC3834565, DOI: 10.1016/j.devcel.2013.09.021.Peer-Reviewed Original ResearchConceptsNeutrophil degranulationAcute innate immune responseIschemia-reperfusion injuryInnate immune responseProtection of kidneyNeutrophil functionImmune responseInhibition of exocytosisTissue damageGranule poolGranule contentsDegranulationImportant regulatorImportant roleVesicle exocytosisExocytosisSTK24InjuryNeutrophilsKidneyUNC13D
2012
Caveolae, Fenestrae and Transendothelial Channels Retain PV1 on the Surface of Endothelial Cells
Tkachenko E, Tse D, Sideleva O, Deharvengt SJ, Luciano MR, Xu Y, McGarry CL, Chidlow J, Pilch PF, Sessa WC, Toomre DK, Stan RV. Caveolae, Fenestrae and Transendothelial Channels Retain PV1 on the Surface of Endothelial Cells. PLOS ONE 2012, 7: e32655. PMID: 22403691, PMCID: PMC3293851, DOI: 10.1371/journal.pone.0032655.Peer-Reviewed Original ResearchConceptsFormation of diaphragmsRemoval of caveolaeDynamin-independent pathwayAbsence of caveolaeEndothelial cellsProtein levelsCellular rolesCavin-1Knockout phenotypesPlasma membraneCaveolin-1CaveolaeLung endothelial cellsCell surfaceRapid internalizationInternalization rateAbundance of structuresMice resultsTransendothelial channelsEssential componentOnly roleFenestral diaphragmsCellsClathrinTranscription
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
2009
Exocyst is involved in polarized cell migration and cerebral cortical development
Letinic K, Sebastian R, Toomre D, Rakic P. Exocyst is involved in polarized cell migration and cerebral cortical development. Proceedings Of The National Academy Of Sciences Of The United States Of America 2009, 106: 11342-11347. PMID: 19549839, PMCID: PMC2708724, DOI: 10.1073/pnas.0904244106.Peer-Reviewed Original ResearchConceptsCell migrationDelivery of vesiclesNeuronal migrationVesicle tetheringExocyst complexMembrane trafficExocytic pathwayProtein complexesExocytic processExocystSpatial regulationEmbryonic developmentVesicle exocytosisSecretory vesiclesPlasma membraneTIRF microscopyPostmitotic cellsCortical neuronal migrationProper developmentCerebral cortical developmentWound assaysExocytosisVesiclesMembraneCells
2008
Repair of injured plasma membrane by rapid Ca2+-dependent endocytosis
Idone V, Tam C, Goss JW, Toomre D, Pypaert M, Andrews NW. Repair of injured plasma membrane by rapid Ca2+-dependent endocytosis. Journal Of Cell Biology 2008, 180: 905-914. PMID: 18316410, PMCID: PMC2265401, DOI: 10.1083/jcb.200708010.Peer-Reviewed Original ResearchConceptsPlasma membraneStreptolysin OPore-forming proteinsPlasma membrane lesionsBacterial toxin streptolysin OEnhancement of endocytosisDependent endocytosisToxin streptolysin OImportant new insightsMembrane resealingLysosomal organellesEndocytosisMicrobial toxinsNovel pathwayExocytosisRepair processMembrane lesionsProteinNew insightsMembraneRapid Ca2ResealingRapid repair processCellsImmune system
2007
Par3 functions in the biogenesis of the primary cilium in polarized epithelial cells
Sfakianos J, Togawa A, Maday S, Hull M, Pypaert M, Cantley L, Toomre D, Mellman I. Par3 functions in the biogenesis of the primary cilium in polarized epithelial cells. Journal Of Cell Biology 2007, 179: 1133-1140. PMID: 18070914, PMCID: PMC2140027, DOI: 10.1083/jcb.200709111.Peer-Reviewed Original ResearchConceptsPrimary ciliaAtypical protein kinase CIntraflagellar transport particlesBasolateral membrane domainsMicrotubule-dependent transportProtein kinase CEpithelial cellsMembrane biogenesisPDZ proteinsMembrane domainsMembrane proteinsPar complexMicrotubule motorsCiliary membraneVectorial movementPar3 functionsKinesin-2Kinase CPar3Additional roleJunctional complexesCrumbs3Apical surfaceBiogenesisCilia
2006
Vectorial insertion of apical and basolateral membrane proteins in polarized epithelial cells revealed by quantitative 3D live cell imaging
Hua W, Sheff D, Toomre D, Mellman I. Vectorial insertion of apical and basolateral membrane proteins in polarized epithelial cells revealed by quantitative 3D live cell imaging. Journal Of Cell Biology 2006, 172: 1035-1044. PMID: 16567501, PMCID: PMC2063761, DOI: 10.1083/jcb.200512012.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsBacterial ProteinsCell LineCell MembraneCell PolarityDogsEndocytosisEpithelial CellsGlycoproteinsGlycosylphosphatidylinositolsGreen Fluorescent ProteinsKineticsLaser Scanning CytometryLuminescent ProteinsMembrane GlycoproteinsMembrane ProteinsNeural Cell Adhesion MoleculesProtein TransportRecombinant Fusion ProteinsTemperatureTransfectionTrans-Golgi NetworkTransport VesiclesViral Envelope ProteinsConceptsBasolateral membrane proteinsLive-cell imagingMembrane proteinsThree-dimensional live cell imagingGlycosylphosphatidylinositol-anchored proteinsVesicular stomatitis virus glycoproteinApical surfaceMadin-Darby canine kidney cellsCell imagingFilter-grown Madin-Darby canine kidney (MDCK) cellsEpithelial cellsBasolateral proteinsCanine kidney cellsTransport intermediatesVesicle dockingSecretory pathwayPlasma membraneVectorial insertionMembrane componentsJunctional complexesProteinRespective membranesKidney cellsVirus glycoproteinPathwaySpatio-Temporal Analysis of Constitutive Exocytosis in Epithelial Cells
Sebastian R, Diaz ME, Ayala G, Letinic K, Moncho-Bogani J, Toomre D. Spatio-Temporal Analysis of Constitutive Exocytosis in Epithelial Cells. IEEE/ACM Transactions On Computational Biology And Bioinformatics 2006, 3: 17-32. PMID: 17048390, DOI: 10.1109/tcbb.2006.11.Peer-Reviewed Original ResearchMeSH KeywordsCell LineCell MembraneComputer SimulationEpithelial CellsExocytosisMembrane FusionMembrane ProteinsModels, BiologicalSignal TransductionConceptsEvanescent wave microscopyPlethora of moleculesProtein targetingConstitutive exocytosisVesicular trafficFusion eventsPlasma membraneVesicle fusionBiological hypothesesExocytosisRipley's K-functionWave microscopyFusion siteEpithelial cellsStudy of membranesPathological conditionsK-functionFinal stepMembraneProper distributionTransportersFusionEnzymeSitesSpatial sites
2004
Golgi duplication in Trypanosoma brucei
He CY, Ho HH, Malsam J, Chalouni C, West CM, Ullu E, Toomre D, Warren G. Golgi duplication in Trypanosoma brucei. Journal Of Cell Biology 2004, 165: 313-321. PMID: 15138289, PMCID: PMC2172185, DOI: 10.1083/jcb.200311076.Peer-Reviewed Original Research