2021
Transcriptomic taxonomy and neurogenic trajectories of adult human, macaque, and pig hippocampal and entorhinal cells
Franjic D, Skarica M, Ma S, Arellano JI, Tebbenkamp ATN, Choi J, Xu C, Li Q, Morozov YM, Andrijevic D, Vrselja Z, Spajic A, Santpere G, Li M, Zhang S, Liu Y, Spurrier J, Zhang L, Gudelj I, Rapan L, Takahashi H, Huttner A, Fan R, Strittmatter SM, Sousa AMM, Rakic P, Sestan N. Transcriptomic taxonomy and neurogenic trajectories of adult human, macaque, and pig hippocampal and entorhinal cells. Neuron 2021, 110: 452-469.e14. PMID: 34798047, PMCID: PMC8813897, DOI: 10.1016/j.neuron.2021.10.036.Peer-Reviewed Original ResearchConceptsDisease-related proteinsCellular diversityCross-species analysisSingle-nucleus transcriptomesLipid droplet proteinsSpecies-specific propertiesImmature neuron populationTranscriptomic taxonomyAlzheimer's disease-related proteinsEndoplasmic reticulumCell typesHuman neuronsSpecies differencesHistologic signatureNeurogenic capabilityProteinExcitatory neuronsDiversityAdult miceGranule cellsAlzheimer's diseaseNeuron populationsCognitive functionEntorhinal cellsAdult humansSpreading of Alzheimer tau seeds is enhanced by aging and template matching with limited impact of amyloid-β
Nies SH, Takahashi H, Herber CS, Huttner A, Chase A, Strittmatter SM. Spreading of Alzheimer tau seeds is enhanced by aging and template matching with limited impact of amyloid-β. Journal Of Biological Chemistry 2021, 297: 101159. PMID: 34480901, PMCID: PMC8477193, DOI: 10.1016/j.jbc.2021.101159.Peer-Reviewed Original ResearchConceptsTau seedsAlzheimer's diseaseAD model miceWT mouse brainPathological tauSynaptic lossTau accumulationWT miceMouse tauTau pathologyTau burdenModel miceTau inclusionsPharmacological interventionsAD riskCognitive declineMouse brainTau aggregatesPyk2 kinaseKnowledge of factorsKinase inhibitorsMiceFyn kinase inhibitorAβMouse aging
2019
Pyk2 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 control
2016
Early Activation of Experience-Independent Dendritic Spine Turnover in a Mouse Model of Alzheimer's Disease.
Heiss JK, Barrett J, Yu Z, Haas LT, Kostylev MA, Strittmatter SM. Early Activation of Experience-Independent Dendritic Spine Turnover in a Mouse Model of Alzheimer's Disease. Cerebral Cortex 2016, 27: 3660-3674. PMID: 27365298, PMCID: PMC6059166, DOI: 10.1093/cercor/bhw188.Peer-Reviewed Original ResearchMeSH KeywordsAge FactorsAlzheimer DiseaseAmyloid beta-Protein PrecursorAnalysis of VarianceAnimalsCerebral CortexDendritic SpinesDisease Models, AnimalGene Expression ProfilingGreen Fluorescent ProteinsHippocampusHumansImaging, Three-DimensionalImmunoprecipitationMiceMice, Inbred C57BLMice, TransgenicMutationNeuroimagingPlaque, AmyloidPresenilin-1Prion ProteinsProto-Oncogene Proteins c-fosSensory DeprivationTime FactorsVibrissaeConceptsAPP/PS1 miceDendritic spine turnoverSpine turnoverAlzheimer's diseasePS1 miceAged APP/PS1 miceYoung APP/PS1 miceAPP/PS1 mouse brainSoluble Aβ oligomersLipid-metabolizing genesAPPswe/Synaptic lossCerebral cortexSynapse densityAβ plaquesSynaptic dysregulationLack responsivenessMouse modelDendritic spinesPersistent spinesSynapse turnoverPlaque formationMouse brainYounger ageCellular prion protein
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 antibodies
2009
An Unbiased Expression Screen for Synaptogenic Proteins Identifies the LRRTM Protein Family as Synaptic Organizers
Linhoff MW, Laurén J, Cassidy RM, Dobie FA, Takahashi H, Nygaard HB, Airaksinen MS, Strittmatter SM, Craig AM. An Unbiased Expression Screen for Synaptogenic Proteins Identifies the LRRTM Protein Family as Synaptic Organizers. Neuron 2009, 61: 734-749. PMID: 19285470, PMCID: PMC2746109, DOI: 10.1016/j.neuron.2009.01.017.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsCell DifferentiationCells, CulturedCloning, MolecularCricetinaeCricetulusDisks Large Homolog 4 ProteinEmbryo, MammalianGene ExpressionGene Expression RegulationGene LibraryGenetic TestingGuanylate KinasesHippocampusHumansIntracellular Signaling Peptides and ProteinsLuminescent ProteinsMembrane PotentialsMembrane ProteinsMiceMice, KnockoutNeuronsPatch-Clamp TechniquesPDZ DomainsPresynaptic TerminalsRatsSynapsesTransfectionVesicular Glutamate Transport Protein 1ConceptsExpression screenSynaptogenic proteinsTrans-synaptic signalingDomain proteinsProtein familyTransmembrane proteinCDNA libraryMolecular basisSynaptogenic activityPresynaptic differentiationVesicular glutamate transporter VGLUT1Postsynaptic differentiationSynaptic organizersSynapse developmentPositive clonesCocultures of neuronsReported linkageLRRTMsCellular basisProteinGlutamate transporter VGLUT1LRRTM1Synaptic functionCurrent understandingAltered distributionCellular prion protein mediates impairment of synaptic plasticity by amyloid-β oligomers
Laurén J, Gimbel DA, Nygaard HB, Gilbert JW, Strittmatter SM. Cellular prion protein mediates impairment of synaptic plasticity by amyloid-β oligomers. Nature 2009, 457: 1128-1132. PMID: 19242475, PMCID: PMC2748841, DOI: 10.1038/nature07761.Peer-Reviewed Original ResearchMeSH KeywordsAlzheimer DiseaseAmyloid beta-PeptidesAmyloid Precursor Protein SecretasesAmyloidosisAnimalsChlorocebus aethiopsCOS CellsHippocampusHumansLong-Term PotentiationMiceMice, Inbred C57BLNeuronal PlasticityNeuronsPeptide FragmentsPrionsProtein BindingProtein MultimerizationReceptors, Cell SurfaceSynapsesConceptsCellular prion protein PrPCPrion protein PrPCSoluble amyloid-β peptide (Aβ) oligomersAlzheimer's diseaseCellular prion proteinDisease pathologyPlasma membrane glycoproteinsCell surface receptorsHigh affinity cell surface receptorsAlzheimer's disease pathologySoluble Aβ oligomersLipid raftsInfectious prion diseasesUnexpected linkMechanistic basisMembrane glycoproteinsPrion proteinAmyloid-β peptide (Aβ) oligomersSynaptic plasticityPrion diseasesTherapeutic potentialDiseaseAβ oligomersCentral roleDeleterious effects
2006
Selective temporal and regional alterations of Nogo-A and small proline-rich repeat protein 1A (SPRR1A) but not Nogo-66 receptor (NgR) occur following traumatic brain injury in the rat
Marklund N, Fulp CT, Shimizu S, Puri R, McMillan A, Strittmatter SM, McIntosh TK. Selective temporal and regional alterations of Nogo-A and small proline-rich repeat protein 1A (SPRR1A) but not Nogo-66 receptor (NgR) occur following traumatic brain injury in the rat. Experimental Neurology 2006, 197: 70-83. PMID: 16321384, PMCID: PMC2849132, DOI: 10.1016/j.expneurol.2005.08.029.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsBlotting, WesternBrainBrain InjuriesCell CountCornified Envelope Proline-Rich ProteinsDensitometryFunctional LateralityGPI-Linked ProteinsHippocampusImmunohistochemistryMaleMembrane ProteinsMicrotubule-Associated ProteinsMyelin ProteinsNogo ProteinsNogo Receptor 1OligodendrogliaRatsRats, Sprague-DawleyReceptors, Cell SurfaceThalamusConceptsTraumatic brain injurySmall proline-rich repeat protein 1ANogo-66 receptorBrain injuryIpsilateral cortexReticular thalamusNeuN cellsLateral fluid percussion brain injuryTraumatic central nervous system injuryFluid percussion brain injuryAxonal outgrowthCentral nervous system injuryIpsilateral external capsuleOligodendrocyte marker RIPNeuN-positive cellsNeuronal marker NeuNExpression of NogoNervous system injuryWhite matter tractsImportant brain regionsNgR expressionPoor regenerative capacitySPRR1A expressionWestern blot analysisSystem injury
1986
Enkephalin convertase: localization to specific neuronal pathways
Lynch DR, Strittmatter SM, Venable JC, Snyder SH. Enkephalin convertase: localization to specific neuronal pathways. Journal Of Neuroscience 1986, 6: 1662-1675. PMID: 3086516, PMCID: PMC6568706, DOI: 10.1523/jneurosci.06-06-01662.1986.Peer-Reviewed Original ResearchConceptsSpecific neuronal pathwaysPyramidal cellsDentate gyrusStria terminalisNeuronal pathwaysAcid lesionsBed nucleusCaudate nucleusGranule cellsSubstantia nigra pars reticulataDentate gyrus granule cellsKnife-cut lesionsGyrus granule cellsQuinolinic acid lesionsHypothalamic magnocellular nucleiIbotenic acid lesionsWhite matter tractsBrain tissue sectionsPars reticulataTrigeminal ganglionKainic acidEnkephalinergic pathwaysLateral septumSensory neuronsMedian eminence