2024
A complex of the lipid transport ER proteins TMEM24 and C2CD2 with band 4.1 at cell–cell contacts
Johnson B, Iuliano M, Lam T, Biederer T, De Camilli P. A complex of the lipid transport ER proteins TMEM24 and C2CD2 with band 4.1 at cell–cell contacts. Journal Of Cell Biology 2024, 223: e202311137. PMID: 39158698, PMCID: PMC11334333, DOI: 10.1083/jcb.202311137.Peer-Reviewed Original ResearchConceptsPlasma membraneNon-vesicular lipid transferSites of cell contactC-terminus motifsCell contact-dependent signalsContact-dependent signalingCell-cell contactER/PM junctionsTMEM24ER proteinsPM proteinsSynCAM 1Cell adhesion moleculesCellular functionsLipid transferC2CD2Phospholipid transportLipid transportCell contactProteinAdhesion moleculesCalcium homeostasisCellsFamily membersParalogsOverlapping 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 ResearchMeSH KeywordsAnimalsFibroblastsMembrane ProteinsMiceMice, KnockoutNerve Tissue ProteinsRatsSynapsinsSynaptic VesiclesSynaptogyrinsSynaptophysinConceptsSynaptic vesiclesFamily proteinsBiogenesis of synaptic vesiclesClusters of small vesiclesSize of synaptic vesiclesSynaptogyrin familySynaptogyrin-1Vesicle proteinsSynaptogyrinTransmembrane domainOrganismal levelSmall vesiclesProteinMild defectsVesiclesFamily membersBiogenesisSmall sizeFamilyMiceSynapsinCoexpressionAbundanceSynaptoporinMembers
2023
ATG9 vesicles comprise the seed membrane of mammalian autophagosomes
Olivas T, Wu Y, Yu S, Luan L, Choi P, Guinn E, Nag S, De Camilli P, Gupta K, Melia T. ATG9 vesicles comprise the seed membrane of mammalian autophagosomes. Journal Of Cell Biology 2023, 222: e202208088. PMID: 37115958, PMCID: PMC10148236, DOI: 10.1083/jcb.202208088.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsAutophagosomesAutophagyAutophagy-Related ProteinsLipidsMammalsMembrane ProteinsProtein TransportConceptsAtg9 vesiclesMammalian autophagosomesStyrene maleic acid lipid particlesLipid scramblase activityLC3-IIAutophagosomes formAutophagosome membraneMature autophagosomesScramblase activityAutophagosome formationAtg9Lipid transportMembrane growthAutophagosomesNanoscale organizationProtein-mediated transferProteinMembrane surface areaOrganellesVesiclesSeed membraneMembraneLipid particlesLipidsDifferent stagesSynaptic vesicle proteins and ATG9A self-organize in distinct vesicle phases within synapsin condensates
Park D, Wu Y, Wang X, Gowrishankar S, Baublis A, De Camilli P. Synaptic vesicle proteins and ATG9A self-organize in distinct vesicle phases within synapsin condensates. Nature Communications 2023, 14: 455. PMID: 36709207, PMCID: PMC9884207, DOI: 10.1038/s41467-023-36081-3.Peer-Reviewed Original ResearchConceptsMembrane proteinsSV membrane proteinsVesicle membrane proteinEctopic expression systemSynaptic vesicle proteinsSynaptic vesicle clustersSV proteinsVesicle proteinsEctopic expressionExpression systemVesicle clustersSynapsinProteinLiquid-like propertiesVesiclesDistinct classesDual roleSynapsin 1FibroblastsATG9ASynapsesExpressionDistinct phasesNerve terminalsClusters
2022
ER-lysosome lipid transfer protein VPS13C/PARK23 prevents aberrant mtDNA-dependent STING signaling
Hancock-Cerutti W, Wu Z, Xu P, Yadavalli N, Leonzino M, Tharkeshwar AK, Ferguson SM, Shadel GS, De Camilli P. ER-lysosome lipid transfer protein VPS13C/PARK23 prevents aberrant mtDNA-dependent STING signaling. Journal Of Cell Biology 2022, 221: e202106046. PMID: 35657605, PMCID: PMC9170524, DOI: 10.1083/jcb.202106046.Peer-Reviewed Original ResearchConceptsParkinson's diseasePD pathogenesisLeucine-rich repeat kinase 2 (LRRK2) G2019S mutationCGAS-STING pathwayAccumulation of lysosomesDNA-sensing cGAS-STING pathwayImmune activationLipid profileSTING signalingG2019S mutationAutosomal recessive Parkinson's diseaseRecessive Parkinson's diseaseModel human cell linesHuman cell linesCell linesPathogenesisLate endosomes/lysosomesDiseaseVPS13CEndosomes/lysosomesCurrent studyTransfer proteinActivationCellsPathway
2017
Endoplasmic Reticulum—Plasma Membrane Contact Sites
Saheki Y, De Camilli P. Endoplasmic Reticulum—Plasma Membrane Contact Sites. Annual Review Of Biochemistry 2017, 86: 1-26. PMID: 28301744, DOI: 10.1146/annurev-biochem-061516-044932.Peer-Reviewed Original ResearchConceptsPlasma membraneEndoplasmic reticulumProtein tethersEndoplasmic reticulum-plasma membrane contact sitesNonvesicular lipid transportER-PM contactsMembrane contact sitesLipid transfer proteinLipid trafficCell physiologyContact sitesMembranous organellesLipid transportBroad localizationTransfer proteinCross talkIntracellular CaDirect physical contactMultiplicity of rolesFunctional stateLipid 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
2015
SMP-domain proteins at membrane contact sites: Structure and function
Reinisch KM, De Camilli P. SMP-domain proteins at membrane contact sites: Structure and function. Biochimica Et Biophysica Acta 2015, 1861: 924-927. PMID: 26686281, PMCID: PMC4902782, DOI: 10.1016/j.bbalip.2015.12.003.Peer-Reviewed Original ResearchConceptsMembrane contact sitesContact sitesAnant K. MenonCellular lipid landscapeTim P. LevineER-mitochondrial contactsSMP domainLipid landscapeComplex subunitsPlasma membraneMolecular basisLipid transportersEndoplasmic reticulumProteinRecent discoveryMembraneSuch sitesSitesSubunitsReticulumTransportersGlycerolipidsRegulationElucidationSpecial issueThe leukodystrophy protein FAM126A (hyccin) regulates PtdIns(4)P synthesis at the plasma membrane
Baskin JM, Wu X, Christiano R, Oh MS, Schauder CM, Gazzerro E, Messa M, Baldassari S, Assereto S, Biancheri R, Zara F, Minetti C, Raimondi A, Simons M, Walther TC, Reinisch KM, De Camilli P. The leukodystrophy protein FAM126A (hyccin) regulates PtdIns(4)P synthesis at the plasma membrane. Nature Cell Biology 2015, 18: 132-138. PMID: 26571211, PMCID: PMC4689616, DOI: 10.1038/ncb3271.Peer-Reviewed Original Research
2001
Chronic 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 cultures
2000
Accessory factors in clathrin-dependent synaptic vesicle endocytosis
Slepnev V, De Camilli P. Accessory factors in clathrin-dependent synaptic vesicle endocytosis. Nature Reviews Neuroscience 2000, 1: 161-172. PMID: 11257904, DOI: 10.1038/35044540.Peer-Reviewed Original ResearchConceptsAccessory factorsNumerous accessory proteinsSynaptic vesicle endocytosisClathrin-mediated endocytosisRecent structural studiesPlasma membrane componentsSynaptic vesicle recyclingInternalization of receptorsVesicle endocytosisCoat assemblyExtracellular ligandsClathrin coatMolecular detailsVesicle recyclingAccessory proteinsGenetic studiesEndocytosisMembrane componentsSurface proteinsClathrinStructural studiesProteinVesiclesInternalizationNew aspectsDual 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 ResearchTandem Arrangement of the Clathrin and AP-2 Binding Domains in Amphiphysin 1 and Disruption of Clathrin Coat Function by Amphiphysin Fragments Comprising These Sites*
Slepnev V, Ochoa G, Butler M, De Camilli P. Tandem Arrangement of the Clathrin and AP-2 Binding Domains in Amphiphysin 1 and Disruption of Clathrin Coat Function by Amphiphysin Fragments Comprising These Sites*. Journal Of Biological Chemistry 2000, 275: 17583-17589. PMID: 10748223, DOI: 10.1074/jbc.m910430199.Peer-Reviewed Original ResearchMeSH KeywordsAdaptor Protein Complex alpha SubunitsAdaptor Proteins, Vesicular TransportAmino Acid SequenceAnimalsBinding SitesBinding, CompetitiveCHO CellsClathrinCricetinaeGlutathione TransferaseHumansMembrane ProteinsMolecular Sequence DataMonomeric Clathrin Assembly ProteinsMutagenesis, Site-DirectedNerve Tissue ProteinsPeptide FragmentsRecombinant Fusion ProteinsTransfectionConceptsAP-2Amphiphysin 1Coat proteinClathrin adaptor AP-2COOH-terminal SH3 domainAdaptor AP-2Chinese hamster ovary cellsCoat functionMultifunctional adaptorSH3 domainHamster ovary cellsTerminal domainBinding domainsClathrinDynaminMembrane lipidsAmphiphysinSynaptic vesiclesAmino acidsSynaptojaninOvary cellsDirect interactionProteinTertiary complexTandem arrangementAutoimmunity to Gephyrin in Stiff-Man Syndrome
Butler M, Hayashi A, Ohkoshi N, Villmann C, Becker C, Feng G, De Camilli P, Solimena M. Autoimmunity to Gephyrin in Stiff-Man Syndrome. Neuron 2000, 26: 307-312. PMID: 10839351, DOI: 10.1016/s0896-6273(00)81165-4.Peer-Reviewed Original ResearchConceptsStiff-man syndromeGlutamic acid decarboxylaseCentral nervous systemInhibitory synapsesEnzyme glutamic acid decarboxylaseHigh-titer autoantibodiesSubset of casesParaneoplastic originClinical featuresSynaptic antigensMediastinal cancerNeurological conditionsRare diseaseGlycine receptorsNervous systemAcid decarboxylaseAutoimmunityPostsynaptic membraneGephyrinSpasmSyndromeSynapsesAutoantibodiesPatientsGABADirect 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 surfaceProteinAP-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 Research