2022
Actuating tension-loaded DNA clamps drives membrane tubulation
Liu L, Xiong Q, Xie C, Pincet F, Lin C. Actuating tension-loaded DNA clamps drives membrane tubulation. Science Advances 2022, 8: eadd1830. PMID: 36223466, PMCID: PMC9555772, DOI: 10.1126/sciadv.add1830.Peer-Reviewed Original ResearchConceptsDNA clampMembrane tubulationMembrane dynamicsMembrane-remodeling eventsVesicle tubulationConformational changesSpatiotemporal controlDNA signalsCell membraneDNA nanostructuresTubulationMembrane deformationClosed stateOpen stateSelf-assembled DNA nanostructuresOrganismsProteinMembrane tubeArtificial systemsTube widthMembraneDynamics
2020
Freezing and piercing of in vitro asymmetric plasma membrane by α-synuclein
Heo P, Pincet F. Freezing and piercing of in vitro asymmetric plasma membrane by α-synuclein. Communications Biology 2020, 3: 148. PMID: 32235856, PMCID: PMC7109109, DOI: 10.1038/s42003-020-0883-7.Peer-Reviewed Original ResearchMeSH KeywordsAlpha-SynucleinCell MembraneElectric CapacitanceFluorescence Recovery After PhotobleachingHydrophobic and Hydrophilic InteractionsLab-On-A-Chip DevicesMembrane FluidityMembrane LipidsMembrane PotentialsMembranes, ArtificialMicrofluidic Analytical TechniquesNeuronsProtein AggregatesProtein Aggregation, PathologicalProtein BindingProtein ConformationStructure-Activity RelationshipSynucleinopathiesConceptsPlasma membraneMembrane-bound proteinsAccumulation of aggregatesΑ-synucleinCytosolic leafletMembrane topologyMembrane hydrophobic coreCytosolic proteinsProteinExtracellular onesHydrophobic corePathological roleDiscrete sizesMembraneLeafletsMembrane capacitanceNeurological diseasesLipidsAccumulationMicrofluidic setup
2018
Rearrangements under confinement lead to increased binding energy of Synaptotagmin‐1 with anionic membranes in Mg2+ and Ca2+
Gruget C, Coleman J, Bello O, Krishnakumar SS, Perez E, Rothman JE, Pincet F, Donaldson SH. Rearrangements under confinement lead to increased binding energy of Synaptotagmin‐1 with anionic membranes in Mg2+ and Ca2+. FEBS Letters 2018, 592: 1497-1506. PMID: 29578584, DOI: 10.1002/1873-3468.13040.Peer-Reviewed Original Research
2017
Actual fusion efficiency in the lipid mixing assay - Comparison between nanodiscs and liposomes
François-Martin C, Pincet F. Actual fusion efficiency in the lipid mixing assay - Comparison between nanodiscs and liposomes. Scientific Reports 2017, 7: 43860. PMID: 28266607, PMCID: PMC5339690, DOI: 10.1038/srep43860.Peer-Reviewed Original Research
2016
FRAP to Characterize Molecular Diffusion and Interaction in Various Membrane Environments
Pincet F, Adrien V, Yang R, Delacotte J, Rothman JE, Urbach W, Tareste D. FRAP to Characterize Molecular Diffusion and Interaction in Various Membrane Environments. PLOS ONE 2016, 11: e0158457. PMID: 27387979, PMCID: PMC4936743, DOI: 10.1371/journal.pone.0158457.Peer-Reviewed Original ResearchConceptsFluorescence correlation spectroscopySingle-particle trackingCorresponding recovery timeFRAP measurementsDynamics of lipidsDiffusion coefficientCorrelation spectroscopyBrownian motionParticle trackingConfocal microscopeAccurate valuesDiffusive speciesMembrane environmentMolecular diffusionMeasurementsMembrane platformsBehavior of lipidsFRAP experimentsMotion
2015
Formation of Giant Unilamellar Proteo-Liposomes by Osmotic Shock
Motta I, Gohlke A, Adrien V, Li F, Gardavot H, Rothman JE, Pincet F. Formation of Giant Unilamellar Proteo-Liposomes by Osmotic Shock. Langmuir 2015, 31: 7091-7099. PMID: 26038815, PMCID: PMC4950989, DOI: 10.1021/acs.langmuir.5b01173.Peer-Reviewed Original ResearchConceptsGiant unilamellar vesiclesLipid-anchored proteinsOsmotic shockTrans-membrane proteinsSingle giant unilamellar vesiclesProtein substratesPeripheral proteinsSpecific lipidsDifferent proteinsPhotobleaching experimentsFluorescence recoveryCell membraneProteinLarge vesiclesPhysiological conditionsModel systemUnilamellar vesiclesPhospholipid bilayersVesiclesSimple generic methodPrevious dataMembraneHigh concentrationsLipidsBilayers
2014
A Half-Zippered SNARE Complex Represents a Functional Intermediate in Membrane Fusion
Li F, Kümmel D, Coleman J, Reinisch KM, Rothman JE, Pincet F. A Half-Zippered SNARE Complex Represents a Functional Intermediate in Membrane Fusion. Journal Of The American Chemical Society 2014, 136: 3456-3464. PMID: 24533674, PMCID: PMC3985920, DOI: 10.1021/ja410690m.Peer-Reviewed Original ResearchConceptsN-terminal domainMembrane fusionV-SNARET-SNAREsRecent biophysical studiesC-terminal portionSNARE complexTransmembrane domainRegulatory proteinsFunctional intermediatesC-terminusDistinct functionsN-terminusMolecular mechanismsConformational rearrangementsBiophysical studiesVital regulatorZippering mechanismRate-limiting stepBiological membranesSnareFusionComplexinMultiple stagesZippering
2007
Mapping Mouse Gamete Interaction Forces Reveal Several Oocyte Membrane Regions with Different Mechanical and Adhesive Properties †
Jégou A, Pincet F, Perez E, Wolf JP, Ziyyat A, Gourier C. Mapping Mouse Gamete Interaction Forces Reveal Several Oocyte Membrane Regions with Different Mechanical and Adhesive Properties †. Langmuir 2007, 24: 1451-1458. PMID: 18027975, DOI: 10.1021/la702258x.Peer-Reviewed Original Research
2005
The Natural LewisX‐Bearing Lipids Promote Membrane Adhesion: Influence of Ceramide on Carbohydrate–Carbohydrate Recognition
Gourier C, Pincet F, Perez E, Zhang Y, Zhu Z, Mallet J, Sinaÿ P. The Natural LewisX‐Bearing Lipids Promote Membrane Adhesion: Influence of Ceramide on Carbohydrate–Carbohydrate Recognition. Angewandte Chemie International Edition 2005, 44: 1683-1687. PMID: 15693050, DOI: 10.1002/anie.200461224.Peer-Reviewed Original ResearchJohnson-Kendall-Roberts Theory Applied to Living Cells
Chu YS, Dufour S, Thiery JP, Perez E, Pincet F. Johnson-Kendall-Roberts Theory Applied to Living Cells. Physical Review Letters 2005, 94: 028102. PMID: 15698233, DOI: 10.1103/physrevlett.94.028102.Peer-Reviewed Original Research
2004
Specific Recognition of Macroscopic Objects by the Cell Surface: Evidence for a Receptor Density Threshold Revealed by Micrometric Particle Binding Characteristics
Sarda S, Pointu D, Pincet F, Henry N. Specific Recognition of Macroscopic Objects by the Cell Surface: Evidence for a Receptor Density Threshold Revealed by Micrometric Particle Binding Characteristics. Biophysical Journal 2004, 86: 3291-3303. PMID: 15111442, PMCID: PMC1304194, DOI: 10.1016/s0006-3495(04)74377-5.Peer-Reviewed Original ResearchMeSH KeywordsAntigens, CD19Binding SitesBiophysicsBiotinylationCell AdhesionCell Line, TransformedCell Line, TumorCell MembraneDiffusionFlow CytometryHumansKineticsLigandsLymphoma, B-CellMicroscopy, FluorescenceModels, BiologicalProtein BindingScattering, RadiationStreptavidinStress, MechanicalSurface PropertiesTemperatureTime Factors