2024
Transient impairment in microglial function causes sex-specific deficits in synaptic maturity and hippocampal function in mice exposed to early adversity
Ahmed S, Polis B, Jamwal S, Sanganahalli B, MacDowell Kaswan Z, Islam R, Kim D, Bowers C, Giuliano L, Biederer T, Hyder F, Kaffman A. Transient impairment in microglial function causes sex-specific deficits in synaptic maturity and hippocampal function in mice exposed to early adversity. Brain Behavior And Immunity 2024, 122: 95-109. PMID: 39134183, PMCID: PMC11402597, DOI: 10.1016/j.bbi.2024.08.010.Peer-Reviewed Original ResearchEarly-life adversityModel of early-life adversityContextual fear conditioningLimited beddingFear conditioningSynaptic engulfmentLB miceSynaptic pruningSex-specific deficitsHippocampus of maleSex-specific effectsHippocampal deficitsAdolescent miceHippocampal functionEarly adversityChemogenetic activationSynaptic connectionsBehavioral aberrationsPotential compensatory mechanismsSynaptic abnormalitiesHippocampusAblation of microgliaRodent hippocampusDeficitsWeeks of life
2004
Fibrillar amyloid deposition leads to local synaptic abnormalities and breakage of neuronal branches
Tsai J, Grutzendler J, Duff K, Gan WB. Fibrillar amyloid deposition leads to local synaptic abnormalities and breakage of neuronal branches. Nature Neuroscience 2004, 7: 1181-1183. PMID: 15475950, DOI: 10.1038/nn1335.Peer-Reviewed Original ResearchConceptsFibrillar amyloid depositionAmyloid depositionAlzheimer's diseaseTransgenic mouse modelImportance of preventionFibrillar amyloid depositsSpine lossNearby axonsNeuronal labelingEarly clearanceLarge varicositiesAmyloid plaquesMouse modelNeuronal circuitryAmyloid depositsTwo-photon imagingNeuronal connectionsSynaptic abnormalitiesNeuronal branchesPermanent disruptionPlaquesDiseaseAtrophyVaricositiesPathogenesis
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