2024
Repetitive Mild Closed-Head Injury Induced Synapse Loss and Increased Local BOLD-fMRI Signal Homogeneity
Markicevic M, Mandino F, Toyonaga T, Cai Z, Fesharaki-Zadeh A, Shen X, Strittmatter S, Lake E. Repetitive Mild Closed-Head Injury Induced Synapse Loss and Increased Local BOLD-fMRI Signal Homogeneity. Journal Of Neurotrauma 2024 PMID: 39096127, DOI: 10.1089/neu.2024.0095.Peer-Reviewed Original ResearchChronic variable stressRegional homogeneityFunctional brain abnormalitiesSynapse densityMild closed-head injuryClosed-head injuryTraumatic brain injuryTreat traumatic brain injuryNeurobiological alterationsMild head injuryVariable stressBrain abnormalitiesPositron emission tomographyMultimodal studiesSynaptic densityMagnetic resonance imagingBrain imagingBrain injuryInduce synapse lossFMRIInjured miceMouse modelEmission tomographyResonance imagingCompensatory mechanisms
2022
Reversal of synapse loss in Alzheimer mouse models by targeting mGluR5 to prevent synaptic tagging by C1Q
Spurrier J, Nicholson L, Fang XT, Stoner AJ, Toyonaga T, Holden D, Siegert TR, Laird W, Allnutt MA, Chiasseu M, Brody AH, Takahashi H, Nies SH, Pérez-Cañamás A, Sadasivam P, Lee S, Li S, Zhang L, Huang YH, Carson RE, Cai Z, Strittmatter SM. Reversal of synapse loss in Alzheimer mouse models by targeting mGluR5 to prevent synaptic tagging by C1Q. Science Translational Medicine 2022, 14: eabi8593. PMID: 35648810, PMCID: PMC9554345, DOI: 10.1126/scitranslmed.abi8593.Peer-Reviewed Original ResearchConceptsPositron emission tomographySilent allosteric modulatorsAlzheimer's diseaseMouse modelPhospho-tau accumulationAged mouse modelAlzheimer mouse modelImmune-mediated attackSAM treatmentMicroglial mediatorsSynaptic engulfmentSynaptic lossAD miceComplement component C1qSynapse lossGlutamate responseSynaptic densityDrug washoutSynaptic localizationTherapeutic benefitCognitive impairmentAllosteric modulatorsEmission tomographyNonhuman primatesComponent C1q
2011
Recovery from chronic spinal cord contusion after nogo receptor intervention
Wang X, Duffy P, McGee AW, Hasan O, Gould G, Tu N, Harel NY, Huang Y, Carson RE, Weinzimmer D, Ropchan J, Benowitz LI, Cafferty WB, Strittmatter SM. Recovery from chronic spinal cord contusion after nogo receptor intervention. Annals Of Neurology 2011, 70: 805-821. PMID: 22162062, PMCID: PMC3238798, DOI: 10.1002/ana.22527.Peer-Reviewed Original ResearchConceptsChronic spinal cord injurySpinal cord injuryContusion injuryCord injurySpinal cord contusion injuryCentral nervous system injuryBresnahan locomotor scoresOpen-field BassoSpinal hemisection injuryWeight-bearing statusSpinal cord contusionMonths of treatmentNervous system injuryMyelin-derived inhibitorCaudal spinal cordPositron emission tomographyNgR1 pathwayRaphespinal axonsSpinal contusionCord contusionHemisection injuryFunctional recoveryLocomotor scoresSystem injuryControl rats