2024
Cellular Prion Protein Conformational Shift after Liquid–Liquid Phase Separation Regulated by a Polymeric Antagonist and Mutations
Liu Y, Tuttle M, Kostylev M, Roseman G, Zilm K, Strittmatter S. Cellular Prion Protein Conformational Shift after Liquid–Liquid Phase Separation Regulated by a Polymeric Antagonist and Mutations. Journal Of The American Chemical Society 2024, 146: 27903-27914. PMID: 39326869, PMCID: PMC11469297, DOI: 10.1021/jacs.4c10590.Peer-Reviewed Original ResearchConceptsLiquid-liquid phase separationCellular prion proteinAssociated with neurodegenerative diseasesAmyloid-bMaturation processDisordered proteinsPrion proteinConformational shiftProtein conformationConformational changesNeurodegenerative diseasesInduction conditionsConformational statesProteinPrPMutationsPhase separationSaturating concentrationsMolecular motionSolid-like stateMaturationDisease-related cognitive deficitsNeurodegenerationInductionAlzheimer
2019
Anti‐PrPC antibody rescues cognition and synapses in transgenic alzheimer mice
Cox TO, Gunther EC, Brody AH, Chiasseu MT, Stoner A, Smith LM, Haas LT, Hammersley J, Rees G, Dosanjh B, Groves M, Gardener M, Dobson C, Vaughan T, Chessell I, Billinton A, Strittmatter SM. Anti‐PrPC antibody rescues cognition and synapses in transgenic alzheimer mice. Annals Of Clinical And Translational Neurology 2019, 6: 554-574. PMID: 30911579, PMCID: PMC6414488, DOI: 10.1002/acn3.730.Peer-Reviewed Original ResearchConceptsAPP/PS1 transgenic micePS1 transgenic miceBrain antibodiesTransgenic miceDisease pathophysiologyDisease pathologyTransgenic Alzheimer's miceAlzheimer's disease pathologyAlzheimer's disease pathophysiologyHuman monoclonal antibodyPreclinical therapeutic efficacyHigh-affinity receptorAmyloid-beta oligomersLast doseTransgenic brainsPlaque pathologyAlzheimer's micePreclinical dataSynaptic damageAnti-PrPc antibodiesSynaptic densityIntraperitoneal dosingBrain biochemistryCentral synapsesTherapeutic efficacySystematic and standardized comparison of reported amyloid-β receptors for sufficiency, affinity, and Alzheimer's disease relevance
Smith LM, Kostylev MA, Lee S, Strittmatter SM. Systematic and standardized comparison of reported amyloid-β receptors for sufficiency, affinity, and Alzheimer's disease relevance. Journal Of Biological Chemistry 2019, 294: 6042-6053. PMID: 30787106, PMCID: PMC6463724, DOI: 10.1074/jbc.ra118.006252.Peer-Reviewed Original ResearchConceptsAlzheimer's diseaseAD brainLeukocyte immunoglobulin-like receptorsNogo receptor 1Human AD brainsImmunoglobulin-like receptorsB member 2Brains of individualsReceptor candidatesSoluble AβOsDisease relevanceCell surface expressionHippocampal neuronsMouse modelSynthetic AβAβO bindingMemory impairmentReceptor 1Cellular prion proteinNeuronal synapsesNgR1Molecular pathologyAβAβ speciesMember 2
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
2016
Cellular prion protein as a receptor for amyloid-β oligomers in Alzheimer's disease
Salazar SV, Strittmatter SM. Cellular prion protein as a receptor for amyloid-β oligomers in Alzheimer's disease. Biochemical And Biophysical Research Communications 2016, 483: 1143-1147. PMID: 27639648, PMCID: PMC5303667, DOI: 10.1016/j.bbrc.2016.09.062.Peer-Reviewed Original ResearchConceptsCellular prion proteinPrion proteinSignal transduction downstreamDisease pathophysiologyNeuronal surfaceMetabotropic glutamate receptor 5Neuronal cell surface moleculesGlutamate receptor 5Disease-associated stateAlzheimer's disease pathophysiologyAltered signal transductionTransduction downstreamSignal transductionGenetic evidenceSpecificity of bindingPyk2 kinaseCell surface moleculesFyn kinaseSynaptic dysfunctionAβO toxicitySynaptic transmissionMouse modelIntervention sitesReceptor 5Alzheimer's diseaseOligomers of Amyloid β Prevent Physiological Activation of the Cellular Prion Protein-Metabotropic Glutamate Receptor 5 Complex by Glutamate in Alzheimer Disease*
Haas LT, Strittmatter SM. Oligomers of Amyloid β Prevent Physiological Activation of the Cellular Prion Protein-Metabotropic Glutamate Receptor 5 Complex by Glutamate in Alzheimer Disease*. Journal Of Biological Chemistry 2016, 291: 17112-17121. PMID: 27325698, PMCID: PMC5016115, DOI: 10.1074/jbc.m116.720664.Peer-Reviewed Original ResearchConceptsProtein tyrosine kinase 2Calmodulin-dependent protein kinase IICalcium/calmodulin-dependent protein kinase IICellular prion proteinProtein kinase IIBrain slicesSignaling cascadesAlzheimer's diseaseKinase IIPhysiological signalingKinase 2Mutant transgeneMetabotropic glutamate receptor 5Loss of synapsesPrion proteinGlutamate receptor 5Receptor complexWild-type slicesProtein mediatorsAmyloid-β OligomersGlutamate activationChronic expressionDementia symptomsReceptor 5Acute exposure
2015
Prion-Protein-interacting Amyloid-β Oligomers of High Molecular Weight Are Tightly Correlated with Memory Impairment in Multiple Alzheimer Mouse Models*
Kostylev MA, Kaufman AC, Nygaard HB, Patel P, Haas LT, Gunther EC, Vortmeyer A, Strittmatter SM. Prion-Protein-interacting Amyloid-β Oligomers of High Molecular Weight Are Tightly Correlated with Memory Impairment in Multiple Alzheimer Mouse Models*. Journal Of Biological Chemistry 2015, 290: 17415-17438. PMID: 26018073, PMCID: PMC4498078, DOI: 10.1074/jbc.m115.643577.Peer-Reviewed Original ResearchAgedAged, 80 and overAlzheimer DiseaseAmyloid beta-PeptidesAnimalsBehavior, AnimalDisease Models, AnimalFemaleHumansMaleMemory DisordersMiceMice, Inbred C57BLMice, Mutant StrainsMice, TransgenicMiddle AgedMolecular WeightPrefrontal CortexPresenilin-1PrionsProtein Structure, QuaternaryPrPC ProteinsRecombinant Proteins
2014
Therapeutic Molecules and Endogenous Ligands Regulate the Interaction between Brain Cellular Prion Protein (PrPC) and Metabotropic Glutamate Receptor 5 (mGluR5)*
Haas LT, Kostylev MA, Strittmatter SM. Therapeutic Molecules and Endogenous Ligands Regulate the Interaction between Brain Cellular Prion Protein (PrPC) and Metabotropic Glutamate Receptor 5 (mGluR5)*. Journal Of Biological Chemistry 2014, 289: 28460-28477. PMID: 25148681, PMCID: PMC4192497, DOI: 10.1074/jbc.m114.584342.Peer-Reviewed Original ResearchMeSH KeywordsAlzheimer DiseaseAmyloid beta-PeptidesAnimalsAntibodiesBinding SitesBiological AssayBrain ChemistryCell MembraneDisease Models, AnimalGene Expression RegulationHEK293 CellsHumansLigandsMiceMice, TransgenicPeptide MappingProtein BindingProtein Structure, TertiaryPrPC ProteinsReceptor, Metabotropic Glutamate 5Recombinant ProteinsSignal TransductionSmall Molecule LibrariesConceptsMetabotropic glutamate receptor 5Glutamate receptor 5Receptor 5Endogenous ligandMouse brainAD transgenic model miceCellular prion proteinAmino acids 91Transgenic model miceSoluble amyloid β (Aβ) oligomersAlzheimer's disease pathophysiologySilent allosteric modulatorsAgonists/antagonistsExtracellular AβOsMGluR5 activitySynthetic AβOsPrion proteinAmyloid-β OligomersModel miceCell membrane preparationsMGluR5Neurotoxic signalsBrain homogenatesAlzheimer's diseaseDisease pathophysiology
2013
Metabotropic Glutamate Receptor 5 Is a Coreceptor for Alzheimer Aβ Oligomer Bound to Cellular Prion Protein
Um JW, Kaufman AC, Kostylev M, Heiss JK, Stagi M, Takahashi H, Kerrisk ME, Vortmeyer A, Wisniewski T, Koleske AJ, Gunther EC, Nygaard HB, Strittmatter SM. Metabotropic Glutamate Receptor 5 Is a Coreceptor for Alzheimer Aβ Oligomer Bound to Cellular Prion Protein. Neuron 2013, 79: 887-902. PMID: 24012003, PMCID: PMC3768018, DOI: 10.1016/j.neuron.2013.06.036.Peer-Reviewed Original ResearchMeSH KeywordsAlzheimer DiseaseAmyloid beta-PeptidesAnimalsCalciumCells, CulturedElongation Factor 2 KinaseHEK293 CellsHumansMiceNeuronsOocytesPhosphorylationPost-Synaptic DensityProto-Oncogene Proteins c-fynPrPC ProteinsReceptor, Metabotropic Glutamate 5Receptors, Metabotropic GlutamateSignal TransductionXenopusConceptsDisease pathophysiologyHuman AD brain extractsCellular prion proteinMetabotropic glutamate receptor 5Postsynaptic densityDendritic spine lossAD brain extractsMetabotropic glutamate receptorsGlutamate receptor 5Alzheimer's disease pathophysiologyExtracellular AβOsMGluR5 antagonismPrion proteinSpine lossSynapse densityGlutamate receptorsIntracellular calciumMGluR5Receptor 5Neuronal functionAβOsBrain extractsAβ oligomersFyn kinasePSD proteinsAmyloid-β induced signaling by cellular prion protein and Fyn kinase in Alzheimer disease
Um JW, Strittmatter SM. Amyloid-β induced signaling by cellular prion protein and Fyn kinase in Alzheimer disease. Prion 2013, 7: 37-41. PMID: 22987042, PMCID: PMC3609048, DOI: 10.4161/pri.22212.Peer-Reviewed Original ResearchConceptsCellular prion proteinPrion proteinSignal transduction downstreamTransduction downstreamAlzheimer's diseaseFyn kinaseFunctional consequencesAβ oligomersAmyloid-β OligomersNeuronal surfaceHigh-affinity receptorOligomer complexesAD-related phenotypesCentral roleProteinAD pathogenesisRecent evidencePrevalent causeTherapeutic interventionsFynKinaseOligomersPhenotypeDiseaseDownstream
2012
Alzheimer amyloid-β oligomer bound to postsynaptic prion protein activates Fyn to impair neurons
Um JW, Nygaard HB, Heiss JK, Kostylev MA, Stagi M, Vortmeyer A, Wisniewski T, Gunther EC, Strittmatter SM. Alzheimer amyloid-β oligomer bound to postsynaptic prion protein activates Fyn to impair neurons. Nature Neuroscience 2012, 15: 1227-1235. PMID: 22820466, PMCID: PMC3431439, DOI: 10.1038/nn.3178.Peer-Reviewed Original ResearchMeSH KeywordsAlzheimer DiseaseAmyloid beta-PeptidesAnimalsBlotting, WesternCalcium SignalingCell LineDendritic SpinesElectroencephalographyEnzyme ActivationHumansMiceMice, Inbred C57BLMice, KnockoutMice, TransgenicNeuronsPhosphorylationProtein BindingProto-Oncogene Proteins c-fynPrPC ProteinsRatsReceptors, N-Methyl-D-AspartateSeizuresSynapses
2010
Anti-PrPC monoclonal antibody infusion as a novel treatment for cognitive deficits in an alzheimer's disease model mouse
Chung E, Ji Y, Sun Y, Kascsak RJ, Kascsak RB, Mehta PD, Strittmatter SM, Wisniewski T. Anti-PrPC monoclonal antibody infusion as a novel treatment for cognitive deficits in an alzheimer's disease model mouse. BMC Neuroscience 2010, 11: 130. PMID: 20946660, PMCID: PMC2964735, DOI: 10.1186/1471-2202-11-130.Peer-Reviewed Original ResearchMeSH KeywordsAlzheimer DiseaseAmyloid beta-PeptidesAnimalsAntibodies, MonoclonalBlotting, WesternCerebral CortexCognition DisordersEnzyme-Linked Immunosorbent AssayHippocampusHumansImage Processing, Computer-AssistedImmunohistochemistryMemory, Short-TermMiceMice, TransgenicPrPC ProteinsPsychomotor PerformanceSynapsesSynaptophysinConceptsAPP/PS1 Tg miceAPP/PS1 transgenic miceAPP/PS1 TgPS1 transgenic miceDisease model miceTransgenic miceCognitive deficitsTg miceAβ oligomersBehavioral testingVehicle solutionAlzheimer's disease model miceDentate gyrus molecular layerAPP/PS1 groupWild-type control groupConformational neurodegenerative disordersMonoclonal antibody infusionAD transgenic miceAmyloid plaque burdenAβ oligomer levelsDays/weekNovel therapeutic approachesMurine hippocampal slicesShort-term treatmentAnti-PrP antibodiesMemory Impairment in Transgenic Alzheimer Mice Requires Cellular Prion Protein
Gimbel DA, Nygaard HB, Coffey EE, Gunther EC, Laurén J, Gimbel ZA, Strittmatter SM. Memory Impairment in Transgenic Alzheimer Mice Requires Cellular Prion Protein. Journal Of Neuroscience 2010, 30: 6367-6374. PMID: 20445063, PMCID: PMC3323924, DOI: 10.1523/jneurosci.0395-10.2010.Peer-Reviewed Original ResearchConceptsTransgenic miceAlzheimer's diseaseCellular prion proteinSpatial learningAD transgenic miceTransgenic AD modelTransgenic Alzheimer's micePrnp-/- miceAD-related phenotypesAmyloid-beta peptideAbeta accumulationAbeta plaquesAbeta levelsAD micePrion proteinAlzheimer's miceAxonal degenerationAPP expressionSynaptic markersHippocampal slicesDetectable impairmentEarly deathAD modelBehavioral impairmentsMemory impairment
2009
β-amyloid oligomers and cellular prion protein in Alzheimer’s disease
Gunther EC, Strittmatter SM. β-amyloid oligomers and cellular prion protein in Alzheimer’s disease. Journal Of Molecular Medicine 2009, 88: 331-338. PMID: 19960174, PMCID: PMC2846635, DOI: 10.1007/s00109-009-0568-7.Peer-Reviewed Original ResearchConceptsCreutzfeldt-Jakob diseaseAβ oligomersDisease pathophysiologyCellular prion proteinProgression of ADAlzheimer's disease pathophysiologyΒ-amyloid oligomersΒ-amyloid peptidePrion proteinBrain slicesAlzheimer's diseaseSynaptic functionFunctional receptorsNeurodegenerative diseasesDiseasePotential mediatorsAβ assembliesReceptorsAβ monomersPrPCPathophysiologyNeurotoxicityPlaquesProgressionCellular Prion Protein Mediates the Toxicity of β-Amyloid Oligomers: Implications for Alzheimer Disease
Nygaard HB, Strittmatter SM. Cellular Prion Protein Mediates the Toxicity of β-Amyloid Oligomers: Implications for Alzheimer Disease. JAMA Neurology 2009, 66: 1325-1328. PMID: 19901162, PMCID: PMC2849161, DOI: 10.1001/archneurol.2009.223.Peer-Reviewed Original ResearchMeSH KeywordsAlzheimer DiseaseAmyloid beta-PeptidesAnimalsBinding SitesHumansPeptide FragmentsPrPC ProteinsConceptsAlzheimer's diseaseCellular prion proteinPathogenesis of ADBeta-amyloid plaquesAge-related dementiaSoluble oligomeric assembliesPrion proteinPotential clinical implicationsBeta-amyloid oligomersΒ-amyloid oligomersHigh-affinity receptorCommon causeSynaptic plasticityTherapeutic interventionsClinical implicationsAbeta oligomersNovel targetRecent evidenceToxic effectsDiseasePathogenesisDementiaAbetaPlaquesBrain