2025
The etiology and prevention of early‐stage tau pathology in higher cortical circuits: Insights from aging rhesus macaques
Datta D, Arnsten A. The etiology and prevention of early‐stage tau pathology in higher cortical circuits: Insights from aging rhesus macaques. Alzheimer's & Dementia 2025, 21: e14477. PMID: 39776253, PMCID: PMC11848412, DOI: 10.1002/alz.14477.Peer-Reviewed Original ResearchConceptsAged macaquesAged rhesus macaquesP-tauTau hyperphosphorylationCortical circuitsAmyloid-beta generationSoluble phosphorylated tauCognitive deficitsAged monkeysSoluble hyperphosphorylated tauSporadic Alzheimer's diseaseAssociation cortexEarly-stage pathologyRhesus macaquesIncreased ABCalcium dysregulationCalcium regulationToxic to neuronsHyperphosphorylated tauAmyloid-betaCortexInflammatory signalingP-tau217 levelsTau pathologyPhosphorylated tau
2021
Chronic Stress Weakens Connectivity in the Prefrontal Cortex: Architectural and Molecular Changes
Woo E, Sansing LH, Arnsten AFT, Datta D. Chronic Stress Weakens Connectivity in the Prefrontal Cortex: Architectural and Molecular Changes. Chronic Stress 2021, 5: 24705470211029254. PMID: 34485797, PMCID: PMC8408896, DOI: 10.1177/24705470211029254.Peer-Reviewed Original ResearchLoss of spinesPrefrontal cortexSpine lossPersistent firingUncontrollable stressDendritic spine lossChronic stress exposureMarked cognitive impairmentInternal calcium releaseRecurrent excitatory connectionsCatecholamine releaseInflammatory signalingSynaptic connectivityCognitive disordersChronic exposureCalcium homeostasisPFC neuronsCognitive impairmentBrain regionsChronic stressCalcium releaseExcitatory connectionsStress exposurePotassium channelsSpine
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