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
2023
Neuronal transcriptome, tau and synapse loss in Alzheimer’s knock-in mice require prion protein
Stoner A, Fu L, Nicholson L, Zheng C, Toyonaga T, Spurrier J, Laird W, Cai Z, Strittmatter S. Neuronal transcriptome, tau and synapse loss in Alzheimer’s knock-in mice require prion protein. Alzheimer's Research & Therapy 2023, 15: 201. PMID: 37968719, PMCID: PMC10647125, DOI: 10.1186/s13195-023-01345-z.Peer-Reviewed Original ResearchConceptsSynapse lossDKI miceTau accumulationBrain immune activationNeural network dysfunctionPhospho-tau accumulationAccumulation of tauNeuronal genesInflammatory markersAD miceAβ levelsPrion proteinDystrophic neuritesImmune activationTau pathologyNeuronal gene expressionAmyloid-β OligomersGliotic reactionNetwork dysfunctionBehavioral deficitsSynaptic failureAD modelMemory impairmentAlzheimer's diseaseFunction of age
2019
Rescue of Transgenic Alzheimer’s Pathophysiology by Polymeric Cellular Prion Protein Antagonists
Gunther EC, Smith LM, Kostylev MA, Cox TO, Kaufman AC, Lee S, Folta-Stogniew E, Maynard GD, Um JW, Stagi M, Heiss JK, Stoner A, Noble GP, Takahashi H, Haas LT, Schneekloth JS, Merkel J, Teran C, Naderi Z, Supattapone S, Strittmatter SM. Rescue of Transgenic Alzheimer’s Pathophysiology by Polymeric Cellular Prion Protein Antagonists. Cell Reports 2019, 26: 145-158.e8. PMID: 30605671, PMCID: PMC6358723, DOI: 10.1016/j.celrep.2018.12.021.Peer-Reviewed Original ResearchConceptsAlzheimer's diseaseOligomeric β-amyloid peptideAPPswe/PS1ΔE9 transgenic miceEffective brain concentrationsPotential therapeutic approachΒ-amyloid peptideBrain concentrationsSynapse lossTherapeutic approachesAlzheimer's pathophysiologyTransgenic miceScN2a cellsMemory deficitsCellular prion proteinPathophysiologyTransmissible spongiformAβOsProtein antagonistLow nanomolar affinityDiseasePrPPrion proteinNanomolar affinitySupAntagonist
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
2017
Chapter Thirteen Synaptotoxic Signaling by Amyloid Beta Oligomers in Alzheimer's Disease Through Prion Protein and mGluR5
Brody AH, Strittmatter SM. Chapter Thirteen Synaptotoxic Signaling by Amyloid Beta Oligomers in Alzheimer's Disease Through Prion Protein and mGluR5. Advances In Pharmacology 2017, 82: 293-323. PMID: 29413525, PMCID: PMC5835229, DOI: 10.1016/bs.apha.2017.09.007.Peer-Reviewed Original ResearchConceptsAlzheimer's diseaseNovel potential therapeutic targetDisease-modifying AD therapiesPotential therapeutic targetAmyloid-beta oligomersPrion proteinSynapse lossTau pathologySynaptic dysfunctionAD symptomsSynaptic damageAD pathophysiologyNeuronal dysfunctionSynaptic toxicityDisease progressionAD progressionAD therapyMemory dysfunctionTherapeutic targetCellular prion proteinBeta oligomersDysfunctionDiseaseGlobal health crisisMGluR5Conditional Deletion of Prnp Rescues Behavioral and Synaptic Deficits after Disease Onset in Transgenic Alzheimer's Disease
Salazar SV, Gallardo C, Kaufman AC, Herber CS, Haas LT, Robinson S, Manson JC, Lee MK, Strittmatter SM. Conditional Deletion of Prnp Rescues Behavioral and Synaptic Deficits after Disease Onset in Transgenic Alzheimer's Disease. Journal Of Neuroscience 2017, 37: 9207-9221. PMID: 28842420, PMCID: PMC5607466, DOI: 10.1523/jneurosci.0722-17.2017.Peer-Reviewed Original ResearchConceptsDisease onsetAlzheimer's diseaseFamilial Alzheimer's diseaseDisease pathophysiologyCellular prion proteinHippocampal synapse lossSoluble oligomeric amyloidTransgenic Alzheimer's diseaseTime of diagnosisDisease-modifying therapiesAlzheimer's disease pathophysiologyPotential therapeutic targetAD-related phenotypesMonths of ageRole of PrPSymptom onsetSynaptic deficitsPrion proteinSynapse lossCatecholaminergic neuronsPlaque densityBehavioral deficitsOligomeric amyloidMouse modelPresent symptoms
2016
Binding Sites for Amyloid-β Oligomers and Synaptic Toxicity
Smith LM, Strittmatter SM. Binding Sites for Amyloid-β Oligomers and Synaptic Toxicity. Cold Spring Harbor Perspectives In Medicine 2016, 7: a024075. PMID: 27940601, PMCID: PMC5411685, DOI: 10.1101/cshperspect.a024075.Peer-Reviewed Original ResearchConceptsAlzheimer's diseaseAβ oligomersSoluble Aβ oligomersFibrillary amyloidNeuronal impairmentSynaptic dysfunctionAD pathogenesisSynaptic toxicityAmyloid-β OligomersCellular prion proteinNeuronal cascadesFurther studiesCell surface proteinsDiseaseAβPrion proteinOligomer toxicityToxicityDysfunctionMolecular basisPathogenesisDementiaProteinPlaquesImpairmentCellular 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 exposureChapter 8 Targeting Aβ Receptors to Modify Alzheimer’s Disease Progression
Haas L, Strittmatter S. Chapter 8 Targeting Aβ Receptors to Modify Alzheimer’s Disease Progression. 2016, 227-250. DOI: 10.1016/b978-0-12-802173-6.00008-3.Peer-Reviewed Original ResearchAlzheimer's diseaseDisease progressionIntervention sitesCourse of ADMetabotropic glutamate receptor 5Glutamate receptor 5Receptor-mediated mechanismAlzheimer's disease progressionHigh-affinity natureAD pathophysiologyReceptor mechanismsReceptor 5Preclinical successMGluR5 pathwayAβ receptorsCellular prion proteinSuch receptorsPathological processesDiseasePathophysiological signalsReceptorsPrion proteinSpecific pathwaysPathwayHigh affinity
2015
Metabotropic glutamate receptor 5 couples cellular prion protein to intracellular signalling in Alzheimer’s disease
Haas LT, Salazar SV, Kostylev MA, Um JW, Kaufman AC, Strittmatter SM. Metabotropic glutamate receptor 5 couples cellular prion protein to intracellular signalling in Alzheimer’s disease. Brain 2015, 139: 526-546. PMID: 26667279, PMCID: PMC4840505, DOI: 10.1093/brain/awv356.Peer-Reviewed Original ResearchConceptsCellular prion proteinDisease-related phenotypesPrion proteinMetabotropic glutamate receptor 5Glutamate receptor 5Protein tyrosine kinase 2 betaCalmodulin-dependent protein kinase IICalcium/calmodulin-dependent protein kinase IIProtein kinase IIReceptor 5Protein associatesGenetic interactionsObligate complexesGenetic couplingDisease pathogenesisDisease pathologyKinase IIIntracellular proteinsAlzheimer's disease-related phenotypesSingle heterozygotesProteinBiochemical evidenceProtein mediatorsDisease-modifying interventionsTransgenic model mice
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 J, Kaufman A, Kostylev M, Heiss J, Stagi M, Takahashi H, Kerrisk M, Vortmeyer A, Wisniewski T, Koleske A, Gunther E, Nygaard H, Strittmatter S. Metabotropic Glutamate Receptor 5 Is a Coreceptor for Alzheimer Aβ Oligomer Bound to Cellular Prion Protein. Neuron 2013, 80: 531. DOI: 10.1016/j.neuron.2013.10.001.Peer-Reviewed Original ResearchMetabotropic 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
Role of Cellular Prion Protein in the Amyloid-β Oligomer Pathophysiology of Alzheimer’s Disease
Kaufman A, Strittmatter S. Role of Cellular Prion Protein in the Amyloid-β Oligomer Pathophysiology of Alzheimer’s Disease. 2012, 35-48. DOI: 10.1007/978-1-4614-5305-5_3.Peer-Reviewed Original ResearchAlzheimer's diseaseMouse modelCellular prion proteinPrimary histopathological featureAD mouse modelAmyloid-beta plaquesTransgenic mouse modelLong-term potentiationHistopathological featuresPrion proteinNeuronal dysfunctionNeurofibrillary tanglesMemory deficitsMemory lossDiseaseExact mechanismCommon formEssential mediatorPathophysiologyToxic effectsCell deathPrPCHigh-affinity binding partnerSynaptotoxicityDysfunctionAlzheimer 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
Laurén et al. reply
Laurén J, Gimbel D, Nygaard H, Gilbert J, Strittmatter S. Laurén et al. reply. Nature 2010, 466: e4-e5. DOI: 10.1038/nature09218.Peer-Reviewed Original ResearchDisease model miceTransgenic Alzheimer's disease model miceAlzheimer's disease model miceDisease miceModel miceDisease progressionTransgenic Alzheimer's disease miceSpatial learningAlzheimer's disease miceAlzheimer's disease progressionSynapse lossAxonal degenerationEarly deathTransgenic miceCellular prion proteinMicePrion proteinPrPCDeficitsExpression cloningDirect assessmentDegenerationMemory 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 monomersPrPCPathophysiologyNeurotoxicityPlaquesProgression