2017
Lipid transport by TMEM24 at ER–plasma membrane contacts regulates pulsatile insulin secretion
Lees JA, Messa M, Sun EW, Wheeler H, Torta F, Wenk MR, De Camilli P, Reinisch KM. Lipid transport by TMEM24 at ER–plasma membrane contacts regulates pulsatile insulin secretion. Science 2017, 355 PMID: 28209843, PMCID: PMC5414417, DOI: 10.1126/science.aah6171.Peer-Reviewed Original ResearchConceptsER–plasma membrane contactsLipid transportLipid-binding modulesMembrane contactPhosphoinositide signalingMembrane proteinsPrecursor phosphatidylinositolProtein 24Reversible localizationEndoplasmic reticulumTMEM24Β-cellsPhosphatidylinositolInsulin secretionCalcium oscillationsCytosolic calciumDephosphorylationType II diabetesPhosphorylationSignalingProteinReticulumSecretionII diabetesTransport
2014
Manipulation of Plasma Membrane Phosphoinositides Using Photoinduced Protein–Protein Interactions
Idevall-Hagren O, De Camilli P. Manipulation of Plasma Membrane Phosphoinositides Using Photoinduced Protein–Protein Interactions. Methods In Molecular Biology 2014, 1148: 109-128. PMID: 24718798, DOI: 10.1007/978-1-4939-0470-9_8.Peer-Reviewed Original ResearchMeSH KeywordsAmino Acid SequenceAnimalsArabidopsis ProteinsCatalytic DomainCell MembraneChlorocebus aethiopsCOS CellsCryptochromesHeLa CellsHumansLightMiceMolecular Sequence DataPhosphatidylinositolsPhosphoric Monoester HydrolasesPhotochemical ProcessesProtein Interaction Domains and MotifsProtein MultimerizationRecombinant Fusion ProteinsConceptsPlasma membraneCryptochrome 2Plasma membrane phosphatidylinositolProtein-protein interactionsLight-dependent conversionLipid-binding domainLive-cell imagingCritical regulatory roleMembrane lipid metabolismPhosphoinositide speciesSpatiotemporal regulationDimerization moduleCell physiologyMembrane phosphatidylinositolRegulatory roleTypes of cellsInositol phospholipidsPhosphorylated productsDimerization methodLipid metabolismMembraneCIB1DephosphorylationPhosphatidylinositolPhosphoinositide
2008
Molecular mechanisms in endocytosis at neuronal synapses
De Camilli P. Molecular mechanisms in endocytosis at neuronal synapses. The FASEB Journal 2008, 22: 250.3-250.3. DOI: 10.1096/fasebj.22.1_supplement.250.3.Peer-Reviewed Original ResearchFunction of dynaminNeuronal synapsesPowerful model systemRole of isoformsGTPase dynaminEndocytic proteinsEndocytic recyclingPlasma membraneMolecular mechanismsSecretory systemReconstitution experimentsEndocytosisSynaptic vesiclesHigh specializationDynaminLipid membranesRelease of neurotransmittersModel systemProteinMembraneFundamental mechanismsComplementary approachesRecent advancesDephosphorylationOrganelles
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
PIP 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 levelsRegulatorProteinActinEnzymeMembrane
1997
Amphiphysin I Is Associated with Coated Endocytic Intermediates and Undergoes Stimulation-dependent Dephosphorylation in Nerve Terminals*
Bauerfeind R, Takei K, De Camilli P. Amphiphysin I Is Associated with Coated Endocytic Intermediates and Undergoes Stimulation-dependent Dephosphorylation in Nerve Terminals*. Journal Of Biological Chemistry 1997, 272: 30984-30992. PMID: 9388246, DOI: 10.1074/jbc.272.49.30984.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsCalcineurinDynamin IDynaminsElectrophoresis, Polyacrylamide GelEndocytosisEnzyme InhibitorsGTP PhosphohydrolasesGTP-Binding ProteinsGuanosine 5'-O-(3-Thiotriphosphate)Microscopy, ElectronMicrotubulesNerve Tissue ProteinsPhospholipase DPhosphoric Monoester HydrolasesPhosphorylationPresynaptic TerminalsRatsConceptsSrc homology 3Dynamin IAmphiphysin IEndocytic intermediatesCalcineurin-dependent dephosphorylationSynaptic vesicle endocytosisSynaptic vesicle exocytosisSynaptic vesicle recyclingClathrin-coated budsBurst of exocytosisAbundant presynaptic proteinElectron microscopy immunocytochemistryHomology 3Vesicle endocytosisVesicle exocytosisConstitutive phosphorylationVesicle recyclingRapid dephosphorylationOkadaic acidPhysiological partnersDephosphorylationBinding proteinPutative rolePresynaptic proteinsProtein