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 ResearchConceptsAtg9 vesiclesMammalian autophagosomesStyrene maleic acid lipid particlesLipid scramblase activityLC3-IIAutophagosomes formAutophagosome membraneMature autophagosomesScramblase activityAutophagosome formationAtg9Lipid transportMembrane growthAutophagosomesNanoscale organizationProtein-mediated transferProteinMembrane surface areaOrganellesVesiclesSeed membraneMembraneLipid particlesLipidsDifferent stages
2022
Endoplasmic Reticulum Membrane Contact Sites, Lipid Transport, and Neurodegeneration.
Guillén-Samander A, De Camilli P. Endoplasmic Reticulum Membrane Contact Sites, Lipid Transport, and Neurodegeneration. Cold Spring Harbor Perspectives In Biology 2022, 15: a041257. PMID: 36123033, PMCID: PMC10071438, DOI: 10.1101/cshperspect.a041257.Peer-Reviewed Original ResearchConceptsMembrane contact sitesEndoplasmic reticulumEndoplasmic reticulum membrane contact sitesContact sitesLipid transportER membrane contact sitesCross talkLipid transfer proteinMutations of genesFamilial neurodegenerative diseasesIntracellular membranous organellesEndomembrane systemLipid trafficVesicular transportCell physiologyPlasma membraneMembranous organellesMembrane lipidsLipid exchangeTransfer proteinCell compartmentProteinNeurodegenerative diseasesMultiplicity of rolesDendritic tipsA partnership between the lipid scramblase XK and the lipid transfer protein VPS13A at the plasma membrane
Guillén-Samander A, Wu Y, Pineda SS, García FJ, Eisen JN, Leonzino M, Ugur B, Kellis M, Heiman M, De Camilli P. A partnership between the lipid scramblase XK and the lipid transfer protein VPS13A at the plasma membrane. Proceedings Of The National Academy Of Sciences Of The United States Of America 2022, 119: e2205425119. PMID: 35994651, PMCID: PMC9436381, DOI: 10.1073/pnas.2205425119.Peer-Reviewed Original ResearchConceptsCaudate neuronsClinical manifestationsExposure of PtdSerPH domainMcLeod syndromeCell surface exposureER-PM contactsLipid dropletsTransport of lipidsPutative roleUnknown mechanismNeuronsLipid transfer proteinVPS13ALipid scramblasesTransfer proteinCytosolic loopExposurePlasma membraneCell surfaceEndoplasmic reticulumLipid transferERSyndromeDiseaseER-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 proteinActivationCellsPathwaySHIP164 is a chorein motif lipid transfer protein that controls endosome–Golgi membrane traffic
Hanna MG, Suen PH, Wu Y, Reinisch KM, De Camilli P. SHIP164 is a chorein motif lipid transfer protein that controls endosome–Golgi membrane traffic. Journal Of Cell Biology 2022, 221: e202111018. PMID: 35499567, PMCID: PMC9067936, DOI: 10.1083/jcb.202111018.Peer-Reviewed Original ResearchConceptsMannose-6-phosphate receptorCation-independent mannose-6-phosphate receptorMembrane contact sitesEarly endocytic pathwayGolgi membrane trafficLipid transfer proteinLipid transfer propertiesProtein-lipid ratioMembrane cargoMembrane trafficEndocytic membranesVesicular trafficRetrograde trafficEndocytic pathwayFunctional characterizationContact sitesMembranous organellesGolgi complexVesicle clustersCellular membranesTransfer proteinProteinLipid compositionOrganellesMembrane
2021
Stepwise membrane binding of extended synaptotagmins revealed by optical tweezers
Ge J, Bian X, Ma L, Cai Y, Li Y, Yang J, Karatekin E, De Camilli P, Zhang Y. Stepwise membrane binding of extended synaptotagmins revealed by optical tweezers. Nature Chemical Biology 2021, 18: 313-320. PMID: 34916620, PMCID: PMC8891060, DOI: 10.1038/s41589-021-00914-3.Peer-Reviewed Original Research
2018
A liquid phase of synapsin and lipid vesicles
Milovanovic D, Wu Y, Bian X, De Camilli P. A liquid phase of synapsin and lipid vesicles. Science 2018, 361: 604-607. PMID: 29976799, PMCID: PMC6191856, DOI: 10.1126/science.aat5671.Peer-Reviewed Original ResearchConceptsSynaptic vesiclesNeurotransmitter-containing synaptic vesiclesCalmodulin-dependent protein kinase IILipid vesiclesCalcium/calmodulin-dependent protein kinase IIProtein kinase IISmall lipid vesiclesKinase IILiquid-liquid phase separationSynapsinDistinct liquid phasesVesiclesTight clusterSynapsin 1Presynaptic sitesPhosphorylationExocytosis