2021
Optic nerve regeneration screen identifies multiple genes restricting adult neural repair
Lindborg JA, Tran NM, Chenette DM, DeLuca K, Foli Y, Kannan R, Sekine Y, Wang X, Wollan M, Kim IJ, Sanes JR, Strittmatter SM. Optic nerve regeneration screen identifies multiple genes restricting adult neural repair. Cell Reports 2021, 34: 108777. PMID: 33657370, PMCID: PMC8009559, DOI: 10.1016/j.celrep.2021.108777.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsAxonsCRISPR-Cas SystemsDependovirusFemaleGene EditingGene Expression RegulationGenetic Association StudiesHEK293 CellsHumansInterleukinsMaleMAP Kinase Kinase KinasesMice, Inbred C57BLMice, TransgenicNerve RegenerationNeurogenesisOptic NerveOptic Nerve InjuriesRetinal Ganglion CellsSignal TransductionSTAT3 Transcription FactorConceptsOptic nerve crushRetinal ganglion cellsRegeneration-associated genesShort hairpin RNAIL-22Neural repairCentral nervous system traumaNeurological deficits persistNervous system traumaNerve crushAxonal damageAxonal regenerationGanglion cellsSystem traumaInflammatory responseCNS regenerationDeficits persistAxonal growthHairpin RNAConcurrent activationTranscription 3Cell-autonomous factorsKinase pathwaySignal transducerRepair
2019
Limiting Neuronal Nogo Receptor 1 Signaling during Experimental Autoimmune Encephalomyelitis Preserves Axonal Transport and Abrogates Inflammatory Demyelination
Lee JY, Kim MJ, Thomas S, Oorschot V, Ramm G, Aui PM, Sekine Y, Deliyanti D, Wilkinson-Berka J, Niego B, Harvey AR, Theotokis P, McLean C, Strittmatter SM, Petratos S. Limiting Neuronal Nogo Receptor 1 Signaling during Experimental Autoimmune Encephalomyelitis Preserves Axonal Transport and Abrogates Inflammatory Demyelination. Journal Of Neuroscience 2019, 39: 5562-5580. PMID: 31061088, PMCID: PMC6616297, DOI: 10.1523/jneurosci.1760-18.2019.Peer-Reviewed Original ResearchMeSH KeywordsAdultAgedAged, 80 and overAnimalsAxonal TransportAxonsCells, CulturedEncephalomyelitis, Autoimmune, ExperimentalFemaleHumansIntercellular Signaling Peptides and ProteinsKinesinsMaleMiceMice, Inbred C57BLMiddle AgedMyelin SheathNerve Tissue ProteinsNogo Receptor 1Retinal Ganglion CellsSignal TransductionConceptsExperimental autoimmune encephalomyelitisCollapsin response mediator protein 2Optic nerveAxonal degenerationMultiple sclerosisAxonal vesicular transportAutoimmune encephalomyelitisInflammatory demyelinationAxonal integritySeverity of EAECre deletionAxonal transportRetinal ganglion cell axonsAxonal motor proteinsEAE-induced miceImmune-mediated destructionProgressive multiple sclerosisNeuron-specific deletionNogo receptor 1Ganglion cell axonsAnterograde transportFlx/Response mediator protein 2Adeno-associated virus serotype 2Phosphorylation of CRMP2Anti‐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 efficacyPyk2 Signaling through Graf1 and RhoA GTPase Is Required for Amyloid-β Oligomer-Triggered Synapse Loss
Lee S, Salazar SV, Cox TO, Strittmatter SM. Pyk2 Signaling through Graf1 and RhoA GTPase Is Required for Amyloid-β Oligomer-Triggered Synapse Loss. Journal Of Neuroscience 2019, 39: 1910-1929. PMID: 30626696, PMCID: PMC6407289, DOI: 10.1523/jneurosci.2983-18.2018.Peer-Reviewed Original ResearchConceptsDendritic spine lossGenetic variationRhoA GTPaseSynapse lossSpine lossBiochemical basisGTPase-activating proteinsFocal adhesion kinasePyk2 functionPyk2 tyrosine kinasePostsynaptic sitesTyrosine kinase Pyk2Disease riskKinase-dependent mechanismOverexpression of Pyk2Dendritic spine densityAdhesion kinaseTransgenic mouse modelBiochemical isolationPyk2 kinaseAlzheimer's disease riskDendritic spine stabilityKinase Pyk2Late-onset Alzheimer's disease (LOAD) riskActin controlRescue 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
Alzheimer's Disease Risk Factor Pyk2 Mediates Amyloid-β-Induced Synaptic Dysfunction and Loss
Salazar SV, Cox TO, Lee S, Brody AH, Chyung AS, Haas LT, Strittmatter SM. Alzheimer's Disease Risk Factor Pyk2 Mediates Amyloid-β-Induced Synaptic Dysfunction and Loss. Journal Of Neuroscience 2018, 39: 758-772. PMID: 30518596, PMCID: PMC6343652, DOI: 10.1523/jneurosci.1873-18.2018.Peer-Reviewed Original ResearchConceptsTransgenic AD model miceAD model miceAbsence of Pyk2Synaptic dysfunctionModel miceHippocampal slicesSynaptic transmissionAlzheimer's diseaseAmyloid-β plaque pathologyHippocampal Schaffer collateral pathwayDisease riskLearning/memory deficitsDeletion of Pyk2Suppression of LTPBasal synaptic transmissionLate-onset Alzheimer's diseaseImpairment of learningSchaffer collateral pathwayAD-related synaptic dysfunctionAlzheimer's disease riskLate-onset Alzheimer's disease (LOAD) riskOnset Alzheimer's diseaseAge-dependent lossMechanism of actionSynaptic LTDLiquid 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 ResearchMeSH KeywordsAlzheimer DiseaseAmyloid beta-PeptidesAnimalsHumansPrion ProteinsReceptor, Metabotropic Glutamate 5Signal TransductionSynapsesConceptsAlzheimer'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 crisisMGluR5Identification of Intrinsic Axon Growth Modulators for Intact CNS Neurons after Injury
Fink KL, López-Giráldez F, Kim IJ, Strittmatter SM, Cafferty WB. Identification of Intrinsic Axon Growth Modulators for Intact CNS Neurons after Injury. Cell Reports 2017, 18: 2687-2701. PMID: 28297672, PMCID: PMC5389739, DOI: 10.1016/j.celrep.2017.02.058.Peer-Reviewed Original ResearchConceptsSpinal cord injuryCentral nervous systemFunctional recoveryIntact neuronsAdult mammalian central nervous systemPartial spinal cord injuryInjury-induced sproutingUnilateral brainstem lesionsGreater functional recoverySpontaneous functional recoveryCorticospinal motor neuronsCorticospinal tract axonsMammalian central nervous systemWild-type miceNew synapse formationGrowth modulatorsAdjacent injuryBrainstem lesionsCord injuryFunctional deficitsIntact circuitryCNS neuronsMotor neuronsCircuit plasticityNervous system
2016
Axonal branching in lateral olfactory tract is promoted by Nogo signaling
Iketani M, Yokoyama T, Kurihara Y, Strittmatter SM, Goshima Y, Kawahara N, Takei K. Axonal branching in lateral olfactory tract is promoted by Nogo signaling. Scientific Reports 2016, 6: 39586. PMID: 28000762, PMCID: PMC5175167, DOI: 10.1038/srep39586.Peer-Reviewed Original ResearchConceptsLateral olfactory tractCultured OB neuronsOB neuronsCollateral branchesAxonal branchingOlfactory bulbOlfactory tractAxonal bundlesMajor projection neuronsReceptor 1 antagonistKnockdown of NogoCollateral formationProjection neuronsPrimary axonsNogo signalingMitral cellsMiceNeuronsExpression levelsAbnormal increaseTractNogoAntagonistAxonsBinding 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 ResearchMeSH KeywordsAlzheimer DiseaseAmyloid beta-PeptidesAnimalsBinding SitesHumansPlaque, AmyloidPrion ProteinsProtein BindingReceptor, InsulinSignal TransductionConceptsAlzheimer'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 disease
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 miceFyn inhibition rescues established memory and synapse loss in Alzheimer mice
Kaufman AC, Salazar SV, Haas LT, Yang J, Kostylev MA, Jeng AT, Robinson SA, Gunther EC, van Dyck CH, Nygaard HB, Strittmatter SM. Fyn inhibition rescues established memory and synapse loss in Alzheimer mice. Annals Of Neurology 2015, 77: 953-971. PMID: 25707991, PMCID: PMC4447598, DOI: 10.1002/ana.24394.Peer-Reviewed Original ResearchConceptsAlzheimer's diseaseTransgenic miceGlu receptorsAPP/PS1 transgenic miceAPP/PS1 miceMemory deficitsEffective disease-modifying agentsAD mouse modelPS1 transgenic miceAD transgenic miceDisease-modifying agentsTau transgenic miceWeeks of treatmentPrecursor protein metabolismSpatial memory deficitsNovel object recognitionMorris water mazeBrain slice assaysAZD0530 treatmentMicroglial activationPS1 miceVehicle treatmentSynapse lossAlzheimer's miceAD pathology
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 pathophysiologyNogo limits neural plasticity and recovery from injury
Schwab ME, Strittmatter SM. Nogo limits neural plasticity and recovery from injury. Current Opinion In Neurobiology 2014, 27: 53-60. PMID: 24632308, PMCID: PMC4122629, DOI: 10.1016/j.conb.2014.02.011.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsCentral Nervous System DiseasesHumansMyelin ProteinsNeuronal PlasticityNogo ProteinsRecovery of FunctionSignal TransductionConceptsNeural repairCentral nervous system injuryOptic nerve injurySpinal cord traumaNervous system injuryExperience-dependent plasticityIschemic strokeNerve injuryCord traumaFunctional recoveryMultiple sclerosisSystem injuryReceptor NgR1Neural plasticityPhysiologic roleAxonal anatomyInjuryAdult mammalsMultiple studiesNogoNgR1Molecular studiesRepairSclerosisAntagonist
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
Vps10 Family Proteins and the Retromer Complex in Aging-Related Neurodegeneration and Diabetes
Lane RF, St George-Hyslop P, Hempstead BL, Small SA, Strittmatter SM, Gandy S. Vps10 Family Proteins and the Retromer Complex in Aging-Related Neurodegeneration and Diabetes. Journal Of Neuroscience 2012, 32: 14080-14086. PMID: 23055476, PMCID: PMC3576841, DOI: 10.1523/jneurosci.3359-12.2012.Peer-Reviewed Original ResearchConceptsBrain-derived neurotrophic factorType 2 diabetes mellitusNeurotrophic signaling pathwaysFrontotemporal lobar degenerationNon-neuronal cellsPathogenesis of neurodegenerationGenetic risk factorsBDNF levelsDiabetes mellitusFamily of receptorsNeurotrophic factorRisk factorsParkinson's diseaseTrk receptorsAcute responseAutosomal dominant formAlzheimer's diseaseNeurodegenerative diseasesDiseaseCell surface receptorsReceptorsSignaling pathwaysSurface receptorsPleiotropic functionsIntracellular responsesSmall-molecule-induced Rho-inhibition: NSAIDs after spinal cord injury
Kopp MA, Liebscher T, Niedeggen A, Laufer S, Brommer B, Jungehulsing GJ, Strittmatter SM, Dirnagl U, Schwab JM. Small-molecule-induced Rho-inhibition: NSAIDs after spinal cord injury. Cell And Tissue Research 2012, 349: 119-132. PMID: 22350947, PMCID: PMC3744771, DOI: 10.1007/s00441-012-1334-7.Peer-Reviewed Original ResearchConceptsSpinal cord injuryCentral nervous systemAxonal plasticityCord injuryAcute spinal cord injuryExperimental spinal cord injuryNon-steroid anti-inflammatory drugsRelevant SCI modelGrowth-inhibitory environmentCNS injury modelsAnti-inflammatory drugsOligodendrocyte myelin glycoproteinRhoA inhibitionRepulsive guidance moleculeMotor recoveryAxonal sproutingPreclinical evidenceFunctional recoveryLocomotor recoverySCI modelChondroitin sulfate proteoglycanCNS injuryNeurofunctional outcomeGrowth cone collapsePossible clinical translation