2024
Overlapping role of synaptophysin and synaptogyrin family proteins in determining the small size of synaptic vesicles
Park D, Fujise K, Wu Y, Luján R, Del Olmo-Cabrera S, Wesseling J, De Camilli P. Overlapping role of synaptophysin and synaptogyrin family proteins in determining the small size of synaptic vesicles. Proceedings Of The National Academy Of Sciences Of The United States Of America 2024, 121: e2409605121. PMID: 38985768, PMCID: PMC11260120, DOI: 10.1073/pnas.2409605121.Peer-Reviewed Original ResearchConceptsSynaptic vesiclesFamily proteinsBiogenesis of synaptic vesiclesClusters of small vesiclesSize of synaptic vesiclesSynaptogyrin familySynaptogyrin-1Vesicle proteinsSynaptogyrinTransmembrane domainOrganismal levelSmall vesiclesProteinMild defectsVesiclesFamily membersBiogenesisSmall sizeFamilyMiceSynapsinCoexpressionAbundanceSynaptoporinMembers
2001
Generation of high curvature membranes mediated by direct endophilin bilayer interactions
Farsad K, Ringstad N, Takei K, Floyd S, Rose K, De Camilli P. Generation of high curvature membranes mediated by direct endophilin bilayer interactions. Journal Of Cell Biology 2001, 155: 193-200. PMID: 11604418, PMCID: PMC2198845, DOI: 10.1083/jcb.200107075.Peer-Reviewed Original ResearchMeSH KeywordsAcyltransferasesAdaptor Proteins, Signal TransducingAmino Acid SequenceAnimalsBiological TransportCarrier ProteinsCell MembraneCell SizeDynaminsGolgi ApparatusGTP PhosphohydrolasesHumansLipid BilayersMacromolecular SubstancesMolecular Sequence DataNerve Tissue ProteinsPhylogenyProtein Structure, TertiaryRatsSequence Homology, Amino AcidSynaptic VesiclesConceptsEndophilin-1Lipid bilayersMembrane-trafficking eventsAmino acid stretchHigh-curvature membranesNH2-terminal regionCell-free systemEndophilin BEndophilin functionGTPase dynaminDynamin ringsVesicle buddingEndophilinEndocytic vesiclesGolgi complexNarrow tubulesMembrane deformationCorresponding regionProteinTransferase activityAcyl transferase activityBilayer interactionsNew insightsLipid tubulesPotential rolePIP Kinase Iγ Is the Major PI(4,5)P2 Synthesizing Enzyme at the Synapse
Wenk M, Pellegrini L, Klenchin V, Di Paolo G, Chang S, Daniell L, Arioka M, Martin T, De Camilli P. PIP Kinase Iγ Is the Major PI(4,5)P2 Synthesizing Enzyme at the Synapse. Neuron 2001, 32: 79-88. PMID: 11604140, DOI: 10.1016/s0896-6273(01)00456-1.Peer-Reviewed Original ResearchConceptsSynaptojanin 1Clathrin-coated intermediatesPolyphosphoinositide phosphatase synaptojanin-1Coat recruitmentActin functionClathrin coatPositive regulatorEndocytic zonesPIPKIgammaSynthesizing enzymesRecruitmentIgammaSynapseDephosphorylationEndocytosisMajor brainElevated levelsRegulatorProteinActinEnzymeMembraneChronic Blockade of Glutamate Receptors Enhances Presynaptic Release and Downregulates the Interaction between Synaptophysin-Synaptobrevin–Vesicle-Associated Membrane Protein 2
Bacci A, Coco S, Pravettoni E, Schenk U, Armano S, Frassoni C, Verderio C, De Camilli P, Matteoli M. Chronic Blockade of Glutamate Receptors Enhances Presynaptic Release and Downregulates the Interaction between Synaptophysin-Synaptobrevin–Vesicle-Associated Membrane Protein 2. Journal Of Neuroscience 2001, 21: 6588-6596. PMID: 11517248, PMCID: PMC6763110, DOI: 10.1523/jneurosci.21-17-06588.2001.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsCells, CulturedDown-RegulationEndocytosisExcitatory Amino Acid AntagonistsExcitatory Postsynaptic PotentialsExocytosisHippocampusMacromolecular SubstancesMembrane ProteinsNeuronsPatch-Clamp TechniquesPresynaptic TerminalsProtein BindingRatsReceptors, GlutamateReceptors, N-Methyl-D-AspartateR-SNARE ProteinsSynaptic TransmissionSynaptic VesiclesSynaptophysinTetrodotoxinConceptsGlutamate receptorsSynapse formationSynaptic vesicle recyclingMiniature EPSC frequencyGlutamate receptor blockersGlutamatergic nerve terminalsNumber of synapsesUptake of antibodiesVesicle recyclingChronic blockadeReceptor blockersEPSC frequencyPresynaptic releaseNerve terminalsHippocampal neuronsPresynaptic functionPostsynaptic functionChronic exposureChronic presenceInterneuronal signalingNeuronal culturesNeuronal circuitsMembrane protein 2Intracellular perfusionPrimary culturesDifferential Expression of Endophilin 1 and 2 Dimers at Central Nervous System Synapses*
Ringstad N, Nemoto Y, De Camilli P. Differential Expression of Endophilin 1 and 2 Dimers at Central Nervous System Synapses*. Journal Of Biological Chemistry 2001, 276: 40424-40430. PMID: 11518713, DOI: 10.1074/jbc.m106338200.Peer-Reviewed Original ResearchConceptsEndophilin-1SH3 domain-mediated interactionsDiverse cellular proteinsDomain-mediated interactionsSynaptic vesicle biogenesisNH2-terminal moietyCoiled-coil domainCentral nervous system synapsesGTPase dynaminVesicle biogenesisDifferent cellular targetsEndocytic machineryCellular proteinsSynaptojanin 1Endophilin isoformsRelated proteinsDifferential expressionCellular targetsStable dimerSynaptojaninDynaminSame complexProteinCentral synapsesFamily membersIdentification and Characterization of a Synaptojanin 2 Splice Isoform Predominantly Expressed in Nerve Terminals*
Nemoto Y, Wenk M, Watanabe M, Daniell L, Murakami T, Ringstad N, Yamada H, Takei K, De Camilli P. Identification and Characterization of a Synaptojanin 2 Splice Isoform Predominantly Expressed in Nerve Terminals*. Journal Of Biological Chemistry 2001, 276: 41133-41142. PMID: 11498538, DOI: 10.1074/jbc.m106404200.Peer-Reviewed Original ResearchAmino Acid SequenceAnimalsBase SequenceChromatography, AffinityCloning, MolecularDNA PrimersGTP PhosphohydrolasesHumansMolecular Sequence DataMutagenesis, Site-DirectedNerve EndingsNerve Tissue ProteinsPhosphoric Monoester HydrolasesProtein IsoformsRac1 GTP-Binding ProteinRatsRNA SplicingSequence Homology, Amino AcidGlutamate regulates actin-based motility in axonal filopodia
Chang S, De Camilli P. Glutamate regulates actin-based motility in axonal filopodia. Nature Neuroscience 2001, 4: 787-793. PMID: 11477424, DOI: 10.1038/90489.Peer-Reviewed Original ResearchMeSH KeywordsActinsAnimalsBridged Bicyclo Compounds, HeterocyclicCalciumCalcium ChannelsCell DifferentiationCell MovementCells, CulturedCentral Nervous SystemGlutamic AcidGreen Fluorescent ProteinsGrowth ConesHippocampusImmunohistochemistryLuminescent ProteinsNeuronal PlasticityPseudopodiaRatsReceptors, AMPAReceptors, N-Methyl-D-AspartateTau ProteinsThiazolesThiazolidinesConceptsAdult nervous systemGlutamate receptorsNervous systemAxonal filopodiaAMPA/kainate glutamate receptorsKainate glutamate receptorsEffects of glutamateIonotropic glutamate receptorsCNQX treatmentSynaptic vesicle clustersAxonal arborsAxonal branchesDendritic spinesExtracellular Ca2Neurotransmitter glutamateSynaptic formationSynaptic plasticityInhibitory effectGlutamateReceptorsVesicle clustersNMDASynaptogenesisSpine
2000
Amphiphysin 1 Binds the Cyclin-dependent Kinase (cdk) 5 Regulatory Subunit p35 and Is Phosphorylated by cdk5 and cdc2*
Floyd S, Porro E, Slepnev V, Ochoa G, Tsai L, De Camilli P. Amphiphysin 1 Binds the Cyclin-dependent Kinase (cdk) 5 Regulatory Subunit p35 and Is Phosphorylated by cdk5 and cdc2*. Journal Of Biological Chemistry 2000, 276: 8104-8110. PMID: 11113134, DOI: 10.1074/jbc.m008932200.Peer-Reviewed Original ResearchConceptsAmphiphysin 1Kinase familyCyclin-dependent protein kinase familyCyclin-dependent kinase familyProtein kinase familySynaptic vesicle endocytosisB kinase complexNeurite outgrowthSubunit p35Cyclin-dependent kinase 5NH2-terminal regionMitotic phosphorylationYeast homologueImportant physiological roleSerine 272Vesicle endocytosisActin cytoskeletonKinase complexRegulatory subunit p35Actin dynamicsPeripheral lamellipodiaDifferentiated cellsKinase 5AmphiphysinPhysiological roleDual interaction of synaptotagmin with μ2‐ and α‐adaptin facilitates clathrin‐coated pit nucleation
Haucke V, Wenk M, Chapman E, Farsad K, De Camilli P. Dual interaction of synaptotagmin with μ2‐ and α‐adaptin facilitates clathrin‐coated pit nucleation. The EMBO Journal 2000, 19: 6011-6019. PMID: 11080148, PMCID: PMC305843, DOI: 10.1093/emboj/19.22.6011.Peer-Reviewed Original ResearchMeSH KeywordsAdaptor Protein Complex 1Adaptor Protein Complex 2Adaptor Protein Complex 3Adaptor Protein Complex alpha SubunitsAdaptor Protein Complex mu SubunitsAdaptor Proteins, Vesicular TransportAnimalsBinding SitesCalcium-Binding ProteinsCHO CellsClathrinCoated Pits, Cell-MembraneCricetinaeIn Vitro TechniquesLiposomesLysineMembrane GlycoproteinsMembrane ProteinsMutationNerve Tissue ProteinsPhosphoproteinsProtein SubunitsRatsSynaptic VesiclesSynaptotagminsTyrosineConceptsAP-2C2B domainEndocytic adaptor complex AP-2Endocytic clathrin-coated pitsAdaptor complex AP-2Clathrin adaptor AP-2Synaptic vesicle protein synaptotagminTyrosine-based sorting motifAdaptor AP-2Clathrin-coated pitsMajor docking siteKey physiological rolesDual interactionSorting motifClathrin coatTransferrin internalizationProtein synaptotagminDocking siteSubdomain BSynaptotagminPhysiological roleLiving cellsSynaptic vesiclesSubunitsMu2Functional Characterization of a Mammalian Sac1 and Mutants Exhibiting Substrate-specific Defects in Phosphoinositide Phosphatase Activity*
Nemoto Y, Kearns B, Wenk M, Chen H, Mori K, Alb J, De Camilli P, Bankaitis V. Functional Characterization of a Mammalian Sac1 and Mutants Exhibiting Substrate-specific Defects in Phosphoinositide Phosphatase Activity*. Journal Of Biological Chemistry 2000, 275: 34293-34305. PMID: 10887188, DOI: 10.1074/jbc.m003923200.Peer-Reviewed Original ResearchConceptsSubstrate-specific defectsIntegral membrane proteinsPhosphoinositide phosphatase activityPhosphatase activityMembrane proteinsEndoplasmic reticulumGolgi secretory functionIntegral membrane lipidEukaryotic cell physiologyPrimary sequence homologyYeast Sac1pSAC1 geneHeterologous complementationActin functionSac1 domainSac1pBisphosphate substrateMembrane phosphoinositidesPhosphatidylinositol 3Cell physiologyFunctional characterizationGene productsSequence homologyProtein activityGolgi complexSynaptic Autoimmunity and the Salk Factor
Solimena M, De Camilli P. Synaptic Autoimmunity and the Salk Factor. Neuron 2000, 28: 309-316. PMID: 11144336, DOI: 10.1016/s0896-6273(00)00105-7.Peer-Reviewed Original ResearchEpsin 1 Undergoes Nucleocytosolic Shuttling and Its Eps15 Interactor Nh2-Terminal Homology (Enth) Domain, Structurally Similar to Armadillo and Heat Repeats, Interacts with the Transcription Factor Promyelocytic Leukemia Zn2+ Finger Protein (Plzf)
Hyman J, Chen H, Di Fiore P, De Camilli P, Brunger A. Epsin 1 Undergoes Nucleocytosolic Shuttling and Its Eps15 Interactor Nh2-Terminal Homology (Enth) Domain, Structurally Similar to Armadillo and Heat Repeats, Interacts with the Transcription Factor Promyelocytic Leukemia Zn2+ Finger Protein (Plzf). Journal Of Cell Biology 2000, 149: 537-546. PMID: 10791968, PMCID: PMC2174850, DOI: 10.1083/jcb.149.3.537.Peer-Reviewed Original ResearchMeSH KeywordsAdaptor Proteins, Vesicular TransportAmino Acid SequenceAnimalsArmadillo Domain ProteinsBeta CateninCalcium-Binding ProteinsCarrier ProteinsCell LineCell NucleusCrystallography, X-RayCytoskeletal ProteinsCytosolDNA-Binding ProteinsDrosophila ProteinsFluorescent Antibody TechniqueInsect ProteinsModels, MolecularMolecular Sequence DataNeuropeptidesPhosphoproteinsProtein BindingRatsSequence AlignmentTrans-ActivatorsTranscription FactorsVesicular Transport ProteinsZinc FingersConceptsENTH domainFinger proteinCRM1-dependent nuclear export pathwayClathrin adaptor AP-2Nuclear export pathwayAdaptor AP-2HEAT repeatsEndocytic machineryNuclear functionsHomology domainExport pathwayLeptomycin BEpsin 1AP-2Cytosolic proteinsUnknown functionDirect interactionEpsinTerminal portionClathrinProteinArmadillosAntifungal antibioticsPathwayDomainDirect interaction of the 170 kDa isoform of synaptojanin 1 with clathrin and with the clathrin adaptor AP-2
Haffner C, Di Paolo G, Rosenthal J, De Camilli P. Direct interaction of the 170 kDa isoform of synaptojanin 1 with clathrin and with the clathrin adaptor AP-2. Current Biology 2000, 10: 471-474. PMID: 10801423, DOI: 10.1016/s0960-9822(00)00446-2.Peer-Reviewed Original ResearchConceptsClathrin adaptor AP-2Adaptor AP-2AP-2Synaptojanin 1Unique carboxy-terminal regionClathrin coat dynamicsAlpha-adaptin subunitCarboxy-terminal domainCarboxy-terminal extensionAmino-terminal domainSynaptic vesicle recyclingCarboxy-terminal regionBinding of clathrinReceptor-mediated endocytosisChinese hamster ovary cellsActin functionPolyphosphoinositide phosphataseEar domainClathrin coatHamster ovary cellsVesicle recyclingVariety of tissuesTransferrin uptakePleiotropic rolesClathrin
1999
The Epsins Define a Family of Proteins That Interact with Components of the Clathrin Coat and Contain a New Protein Module*
Rosenthal J, Chen H, Slepnev V, Pellegrini L, Salcini A, Di Fiore P, De Camilli P. The Epsins Define a Family of Proteins That Interact with Components of the Clathrin Coat and Contain a New Protein Module*. Journal Of Biological Chemistry 1999, 274: 33959-33965. PMID: 10567358, DOI: 10.1074/jbc.274.48.33959.Peer-Reviewed Original ResearchMeSH KeywordsAdaptor Protein Complex alpha SubunitsAdaptor Proteins, Signal TransducingAdaptor Proteins, Vesicular TransportAmino Acid SequenceAnimalsCalcium-Binding ProteinsCarrier ProteinsCHO CellsClathrinCoated VesiclesCricetinaeDNA, ComplementaryFluorescent Antibody TechniqueGene ExpressionHumansIntracellular Signaling Peptides and ProteinsLuciferasesMaleMembrane ProteinsMolecular Sequence DataNeuropeptidesPhosphoproteinsPhylogenyProtein BindingProtein Structure, TertiaryRatsRecombinant Fusion ProteinsSequence AlignmentSequence Analysis, DNASequence Homology, Amino AcidTissue DistributionVesicular Transport ProteinsConceptsEpsin 1Clathrin coatClathrin adaptor AP-2New protein modulesNew protein familyTerminal regionAdaptor AP-2Family of proteinsRat brain libraryNPF motifsProtein modulesProtein familyCell peripheryAP-2Membrane dynamicsSimilar proteinsBrain libraryClathrinEps15Vesicle fractionEpsinGreen fluorescentGolgi regionCell surfaceProteinThe Calcineurin-Dynamin 1 Complex as a Calcium Sensor for Synaptic Vesicle Endocytosis*
Lai M, Hong J, Ruggiero A, Burnett P, Slepnev V, De Camilli P, Snyder S. The Calcineurin-Dynamin 1 Complex as a Calcium Sensor for Synaptic Vesicle Endocytosis*. Journal Of Biological Chemistry 1999, 274: 25963-25966. PMID: 10473536, DOI: 10.1074/jbc.274.37.25963.Peer-Reviewed Original ResearchConceptsCalcium sensorEndocytic coat proteinsSynaptic endocytic machinerySynaptic vesicle endocytosisSynaptic vesiclesCalcium-dependent phosphatase calcineurinEndocytic machineryVesicle endocytosisDynamin 1Phosphatase calcineurinCoat proteinCalcium-dependent formationCalcium-sensing mechanismPhysical associationEndocytosisVesiclesCalcium-dependent processesClathrinSynaptotagminComplexesExocytosisCalcineurinMachineryProteinEndophilin/SH3p4 Is Required for the Transition from Early to Late Stages in Clathrin-Mediated Synaptic Vesicle Endocytosis
Ringstad N, Gad H, Löw P, Di Paolo G, Brodin L, Shupliakov O, De Camilli P. Endophilin/SH3p4 Is Required for the Transition from Early to Late Stages in Clathrin-Mediated Synaptic Vesicle Endocytosis. Neuron 1999, 24: 143-154. PMID: 10677033, DOI: 10.1016/s0896-6273(00)80828-4.Peer-Reviewed Original ResearchMeSH KeywordsAdaptor Proteins, Signal TransducingAmino Acid SequenceAnimalsAntibodiesCaenorhabditis elegansCarrier ProteinsCell-Free SystemClathrinCoated Pits, Cell-MembraneDynaminsEndocytosisGTP PhosphohydrolasesLampreysMicroscopy, ElectronMolecular Sequence DataRatsSpinal CordSrc Homology DomainsSynapsesSynaptic VesiclesConceptsSynaptic vesicle endocytosisVesicle endocytosisClathrin coatClathrin-coated pitsSynaptic vesicle recyclingCell-free systemEndophilin functionGTPase dynaminFunctional partnersVesicle fissionBiochemical machineryVesicle recyclingSH3p4EndophilinDynaminEndocytosisAntibody-mediated disruptionProteinActive zoneSynaptojaninClathrinLater stagesCoatMachineryInvaginationAP-2 Recruitment to Synaptotagmin Stimulated by Tyrosine-Based Endocytic Motifs
Haucke V, De Camilli P. AP-2 Recruitment to Synaptotagmin Stimulated by Tyrosine-Based Endocytic Motifs. Science 1999, 285: 1268-1271. PMID: 10455054, DOI: 10.1126/science.285.5431.1268.Peer-Reviewed Original ResearchMeSH KeywordsAdaptor Protein Complex alpha SubunitsAdaptor Proteins, Vesicular TransportAnimalsBinding SitesCalcium-Binding ProteinsCattleCell MembraneCHO CellsClathrinCoated Pits, Cell-MembraneCricetinaeEndocytosisMembrane GlycoproteinsMembrane ProteinsNerve Tissue ProteinsNeuronsOligopeptidesPhospholipase DProtein BindingRatsRecombinant Fusion ProteinsSynaptic MembranesSynaptotagminsTyrosineConceptsAP-2 recruitmentEndocytic motifAP-2Cargo proteinsPlasma membraneTyrosine-based endocytic motifClathrin adaptor protein AP-2Adaptor protein AP-2Nucleation of clathrinNon-neuronal cellsProtein synaptotagminDocking siteSynaptotagminClathrinMotifProteinRecruitmentMembraneEndocytosisTyrosineBindingCellsPeptidesTetanus Toxin Blocks the Exocytosis of Synaptic Vesicles Clustered at Synapses But Not of Synaptic Vesicles in Isolated Axons
Verderio C, Coco S, Bacci A, Rossetto O, De Camilli P, Montecucco C, Matteoli M. Tetanus Toxin Blocks the Exocytosis of Synaptic Vesicles Clustered at Synapses But Not of Synaptic Vesicles in Isolated Axons. Journal Of Neuroscience 1999, 19: 6723-6732. PMID: 10436029, PMCID: PMC6782867, DOI: 10.1523/jneurosci.19-16-06723.1999.Peer-Reviewed Original ResearchRecruitment of an alternatively spliced form of synaptojanin 2 to mitochondria by the interaction with the PDZ domain of a mitochondrial outer membrane protein
Nemoto Y, De Camilli P. Recruitment of an alternatively spliced form of synaptojanin 2 to mitochondria by the interaction with the PDZ domain of a mitochondrial outer membrane protein. The EMBO Journal 1999, 18: 2991-3006. PMID: 10357812, PMCID: PMC1171381, DOI: 10.1093/emboj/18.11.2991.Peer-Reviewed Original ResearchMeSH KeywordsAlternative SplicingAmino Acid SequenceAnimalsBase SequenceBinding SitesCarrier ProteinsCHO CellsCloning, MolecularCricetinaeCytoplasmExonsIntracellular MembranesIsoenzymesMembrane ProteinsMitochondriaMolecular Sequence DataMutationNerve Tissue ProteinsPhosphoric Monoester HydrolasesProtein BindingRatsRecombinant Fusion ProteinsRNA, MessengerYeastsConceptsMitochondrial outer membrane proteinMitochondrial outer membraneOuter membrane proteinsPDZ domainMembrane proteinsSynaptojanin 2Outer membraneNovel mitochondrial outer membrane proteinC-terminal transmembrane regionSingle PDZ domainPerinuclear clusteringTransmembrane regionSynaptojanin 1C-terminusExon sequencesSpliced formsEnforced expressionUnique motifModulation of inositolIntracellular distributionSynaptic vesiclesMitochondriaPutative roleOmp25ProteinThe Interaction of Epsin and Eps15 with the Clathrin Adaptor AP-2 Is Inhibited by Mitotic Phosphorylation and Enhanced by Stimulation-dependent Dephosphorylation in Nerve Terminals*
Chen H, Slepnev V, Di Fiore P, De Camilli P. The Interaction of Epsin and Eps15 with the Clathrin Adaptor AP-2 Is Inhibited by Mitotic Phosphorylation and Enhanced by Stimulation-dependent Dephosphorylation in Nerve Terminals*. Journal Of Biological Chemistry 1999, 274: 3257-3260. PMID: 9920862, DOI: 10.1074/jbc.274.6.3257.Peer-Reviewed Original ResearchMeSH KeywordsAdaptor Protein Complex alpha SubunitsAdaptor Proteins, Signal TransducingAdaptor Proteins, Vesicular TransportAnimalsBase SequenceCalcium-Binding ProteinsCarrier ProteinsCell LineDNA PrimersEndocytosisExocytosisIntracellular Signaling Peptides and ProteinsMembrane ProteinsMiceMitosisNerve EndingsNeuropeptidesPhosphoproteinsPhosphorylationProtein BindingRatsVesicular Transport Proteins