2019
A proteolytic C-terminal fragment of Nogo-A (reticulon-4A) is released in exosomes and potently inhibits axon regeneration
Sekine Y, Lindborg JA, Strittmatter SM. A proteolytic C-terminal fragment of Nogo-A (reticulon-4A) is released in exosomes and potently inhibits axon regeneration. Journal Of Biological Chemistry 2019, 295: 2175-2183. PMID: 31748413, PMCID: PMC7039549, DOI: 10.1074/jbc.ra119.009896.Peer-Reviewed Original ResearchConceptsMembrane-associated proteinsRecombinant protein expressionMatrix-associated proteinOligodendrocyte plasma membraneProteolytic C-terminal fragmentsRegeneration assaysC-terminal fragmentPlasma membraneNeurite outgrowth inhibitor NogoAxonal regenerationExosomal releaseDiffusible inhibitorC-terminalSiRNA knockdownCleavage siteCultured cellsLong fragmentPrimary cortical neuron culturesCentral nervous system traumaExosomesEnzyme inhibitor treatmentExosomal fractionSpinal cord crush injuryCerebral cortex neuronsProtein
2018
Liquid and Hydrogel Phases of PrPC Linked to Conformation Shifts and Triggered by Alzheimer’s Amyloid-β Oligomers
Kostylev MA, Tuttle MD, Lee S, Klein LE, Takahashi H, Cox TO, Gunther EC, Zilm KW, Strittmatter SM. Liquid and Hydrogel Phases of PrPC Linked to Conformation Shifts and Triggered by Alzheimer’s Amyloid-β Oligomers. Molecular Cell 2018, 72: 426-443.e12. PMID: 30401430, PMCID: PMC6226277, DOI: 10.1016/j.molcel.2018.10.009.Peer-Reviewed Original ResearchConceptsAmino-terminal GlyCellular prion proteinProtein phase separationAmyloid-β OligomersPlasma membraneMembraneless organellesAla residuesRecombinant PrPPrion proteinCell surfaceConformation shiftConformational transitionHelical conformationAβ speciesPrPSupSpongiform degenerationEndogenous AβOsOrganellesPrPCSuch domainsSpeciesDomainProteinAβOs
2015
Sac2/INPP5F is an inositol 4-phosphatase that functions in the endocytic pathway
Nakatsu F, Messa M, Nández R, Czapla H, Zou Y, Strittmatter SM, De Camilli P. Sac2/INPP5F is an inositol 4-phosphatase that functions in the endocytic pathway. Journal Of Cell Biology 2015, 209: 85-95. PMID: 25869668, PMCID: PMC4395491, DOI: 10.1083/jcb.201409064.Peer-Reviewed Original ResearchConceptsEndocytic membranesPosition of inositolRecruitment of inositolSAC domainEndocytic pathwayPlasma membraneINPP5FSequential dephosphorylationOCRLDephosphorylationEndocytosisSynaptojaninRab5EndosomesYeastInositolMembranePhosphataseMacropinosomesClathrinCoimmunoprecipitationPtdInsPhosphoinositideVesiclesPathway
1989
A membrane-targeting signal in the amino terminus of the neuronal protein GAP-43
Zuber M, Strittmatter S, Fishman M. A membrane-targeting signal in the amino terminus of the neuronal protein GAP-43. Nature 1989, 341: 345-348. PMID: 2797153, DOI: 10.1038/341345a0.Peer-Reviewed Original ResearchConceptsGrowth cone membraneN-terminusNeuronal protein GAP-43Membrane-targeting signalMembrane-binding abilityTargeting signalsGAP-43Plasma membraneTransduction systemAmino terminusMutational analysisProminent proteinsParticular proteinFusion proteinShort stretchesMembrane distributionLaser scanning confocal microscopyRegulated growthProteinConfocal microscopyEpithelial cellsProtein GAP-43MembraneModification correlatesDiscrete domains