2021
Cooperative function of synaptophysin and synapsin in the generation of synaptic vesicle-like clusters in non-neuronal cells
Park D, Wu Y, Lee SE, Kim G, Jeong S, Milovanovic D, De Camilli P, Chang S. Cooperative function of synaptophysin and synapsin in the generation of synaptic vesicle-like clusters in non-neuronal cells. Nature Communications 2021, 12: 263. PMID: 33431828, PMCID: PMC7801664, DOI: 10.1038/s41467-020-20462-z.Peer-Reviewed Original ResearchConceptsNon-neuronal cellsSV clustersSynaptic vesiclesSmall synaptic-like microvesiclesSV membrane proteinsSynaptic-like microvesiclesSV proteinsDiffuse cytosolic distributionMembrane proteinsReconstitution systemCytosolic distributionCooperative functionSuch vesiclesMechanistic insightsLiquid-like propertiesPowerful modelPhysiological formationProteinSynapsinVesiclesCellsSynaptic transmissionAssembly of structuresDefining featureLiquid condensate
2004
Impaired PtdIns(4,5)P2 synthesis in nerve terminals produces defects in synaptic vesicle trafficking
Paolo G, Moskowitz HS, Gipson K, Wenk MR, Voronov S, Obayashi M, Flavell R, Fitzsimonds RM, Ryan TA, Camilli P. Impaired PtdIns(4,5)P2 synthesis in nerve terminals produces defects in synaptic vesicle trafficking. Nature 2004, 431: 415-422. PMID: 15386003, DOI: 10.1038/nature02896.Peer-Reviewed Original ResearchMeSH KeywordsAction PotentialsAnimalsBiological TransportCells, CulturedClathrinElectric ConductivityEndocytosisExocytosisGene DeletionKineticsMiceMice, KnockoutNeuronsPhosphatidylinositol 4,5-DiphosphatePhosphatidylinositol PhosphatesPhosphotransferases (Alcohol Group Acceptor)Presynaptic TerminalsSynaptic TransmissionSynaptic VesiclesConceptsClathrin coat dynamicsSynaptic vesicle cycleSynaptic vesicle exocytosisSynaptic vesicle traffickingSecond messenger moleculesEarly postnatal lethalityEndocytic intermediatesVesicle traffickingMembrane proteinsVesicle cycleVesicle exocytosisPostnatal lethalityCell regulationRecycling kineticsMessenger moleculesBiochemical studiesSynaptic defectsDirect interactionImportant functionsCritical roleMultiple stepsReleasable poolRegulationNerve terminalsDephosphorylation
2001
Synaptojanin 1 Contributes to Maintaining the Stability of GABAergic Transmission in Primary Cultures of Cortical Neurons
Lüthi A, Di Paolo G, Cremona O, Daniell L, De Camilli P, McCormick D. Synaptojanin 1 Contributes to Maintaining the Stability of GABAergic Transmission in Primary Cultures of Cortical Neurons. Journal Of Neuroscience 2001, 21: 9101-9111. PMID: 11717343, PMCID: PMC6763888, DOI: 10.1523/jneurosci.21-23-09101.2001.Peer-Reviewed Original ResearchMeSH KeywordsAction PotentialsAnimalsAnimals, NewbornCells, CulturedCerebral CortexElectric StimulationExcitatory Amino Acid AntagonistsExcitatory Postsynaptic PotentialsGABA AntagonistsGamma-Aminobutyric AcidMiceNerve Tissue ProteinsNeural InhibitionNeuronsPatch-Clamp TechniquesPhosphatidylinositolsPhosphoric Monoester HydrolasesSodium Channel BlockersSynapsesSynaptic TransmissionSynaptic VesiclesConceptsPaired-pulse depressionHalf-maximal depressionSteady-state depressionSynaptic depressionWhole-cell patch-clamp recordingsSlow depressionInhibitory synaptic responsesPaired-pulse protocolPrimary cortical culturesHigh-frequency stimulationPatch-clamp recordingsBi-exponential time courseUnitary IPSCsGABA releaseGABAergic transmissionCortical culturesPostsynaptic responsesCortical neuronsInhibitory synapsesSynaptic responsesSynaptojanin 1Presynaptic stimulationInhibitory neuronsRelease probabilityStimulation frequencyChronic 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 culturesGlutamate 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 role
1999
Tetanus 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 Research
1998
Calcium Dependence of Synaptic Vesicle Recycling Before and After Synaptogenesis
Coco S, Verderio C, De Camilli P, Matteoli M. Calcium Dependence of Synaptic Vesicle Recycling Before and After Synaptogenesis. Journal Of Neurochemistry 1998, 71: 1987-1992. PMID: 9798923, DOI: 10.1046/j.1471-4159.1998.71051987.x.Peer-Reviewed Original ResearchConceptsSynaptic contactsCalcium concentrationSynaptic vesicle exocytosisFormation of synapsesSynaptic vesicle recyclingVesicle recyclingHippocampal neuronsIntracellular calciumVesicle exocytosisImmunocytochemical assayNeurotransmitter releaseDifferent calcium concentrationsLow calcium concentrationsSynaptic vesiclesCalcium dependenceHigh calcium concentrationsSynaptogenesisNeuronsCalciumRelease componentCalcium sensorEndocytotic recyclingExocytosisAmphiphysin I Antisense Oligonucleotides Inhibit Neurite Outgrowth in Cultured Hippocampal Neurons
Mundigl O, Ochoa G, David C, Slepnev V, Kabanov A, De Camilli P. Amphiphysin I Antisense Oligonucleotides Inhibit Neurite Outgrowth in Cultured Hippocampal Neurons. Journal Of Neuroscience 1998, 18: 93-103. PMID: 9412489, PMCID: PMC6793426, DOI: 10.1523/jneurosci.18-01-00093.1998.Peer-Reviewed Original ResearchMeSH KeywordsActinsAnimalsCalcium-Binding ProteinsCells, CulturedDynamin IDynaminsEndocytosisGene ExpressionGTP PhosphohydrolasesHippocampusMembrane GlycoproteinsMiceNerve Tissue ProteinsNeuritesOligonucleotides, AntisensePhosphoric Monoester HydrolasesRabbitsRatsRNA, MessengerSynaptic VesiclesSynaptotagminsTubulinConceptsAmphiphysin IDynamin ICell polarityNeurite outgrowthSynaptic vesicle endocytosisPhysiological binding partnerGrowth conesClose functional linkYeast homologActin patchesActin functionVesicle endocytosisActin dynamicsProtein familyBinding partnerCell cytoskeletonAxon formationFunctional linkNeuronal differentiationWestern blot analysisCultured hippocampal neuronsHippocampal neuronsDevelopmental stagesNeuronal proteinsAmphipathic polymers
1993
Traffic of synaptic vesicle proteins in polarized and nonpolarized cells
Cameron P, Mundigl O, De Camilli P. Traffic of synaptic vesicle proteins in polarized and nonpolarized cells. Journal Of Cell Science. Supplement 1993, 1993: 93-100. PMID: 8144709, DOI: 10.1242/jcs.1993.supplement_17.14.Peer-Reviewed Original ResearchConceptsSV proteinsSynaptic vesiclesSecretory organellesSpecialized secretory organellesSynaptic-like microvesiclesExo-endocytotic recyclingSynaptic vesicle proteinsNon-peptide hormonesEndosomal intermediatesEndocrine cellsNeuronal polarityNonpolarized cellsRecycling pathwayRegulated secretionVesicle proteinsTypical synaptic vesiclesFunctional similarityLarge dense-core vesiclesDense-core vesiclesNeuronal counterpartsVesicular carriersProtein synaptophysinVesicle storesMature neuronsProtein