2025
39 Nanoscale imaging of pT217-tau in aged rhesus macaque entorhinal and dorsolateral prefrontal cortex: Evidence of interneuronal trafficking and early-stage neurodegeneration
Datta D, Perone I, Wijegunawardana D, Liang F, Morozov Y, Arellano J, Duque A, Xie Z, van Dyck C, Joyce M, Arnsten A. 39 Nanoscale imaging of pT217-tau in aged rhesus macaque entorhinal and dorsolateral prefrontal cortex: Evidence of interneuronal trafficking and early-stage neurodegeneration. Journal Of Clinical And Translational Science 2025, 9: 13-13. PMCID: PMC12038495, DOI: 10.1017/cts.2024.726.Peer-Reviewed Original ResearchDorsolateral prefrontal cortexPrefrontal cortexEntorhinal cortexStatistically significant age-related increaseTau pathologySignificant age-related increaseAlzheimer's diseaseAge-related increaseBrain circuitsRhesus macaquesAged rhesus macaquesAging brainAged macaquesCortical pathologyCortexAge spanDendritic spinesEarly-stage neurodegenerationBrainTau speciesSubcellular localizationInhibitory synapsesPhosphorylated proteinsDysmorphic mitochondriaPostsynaptic compartmentsThe 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
2024
Nanoscale imaging of pT217‐tau in aged rhesus macaque entorhinal and dorsolateral prefrontal cortex: Evidence of interneuronal trafficking and early‐stage neurodegeneration
Datta D. Nanoscale imaging of pT217‐tau in aged rhesus macaque entorhinal and dorsolateral prefrontal cortex: Evidence of interneuronal trafficking and early‐stage neurodegeneration. Alzheimer's & Dementia 2024, 20: e089418. PMCID: PMC11709465, DOI: 10.1002/alz.089418.Peer-Reviewed Original ResearchDorsolateral prefrontal cortexPrefrontal cortexEntorhinal cortexStatistically significant age-related increaseAged macaquesTau pathologySignificant age-related increaseAlzheimer's diseaseAge-related increaseCognitive deficitsBrain circuitsBrain expressionAging brainBrain pathologyCortical pathologyCortexEfficacy of novel treatmentsDlPFCAge spanDendritic spinesEarly-stage neurodegenerationInhibitory synapsesLayer IIBrainRhesus macaquesNanoscale imaging of pT217‐tau in aged rhesus macaque entorhinal and dorsolateral prefrontal cortex: Evidence of interneuronal trafficking and early‐stage neurodegeneration
Datta D, Perone I, Wijegunawardana D, Liang F, Morozov Y, Arellano J, Duque A, Xie Z, van Dyck C, Joyce M, Arnsten A. Nanoscale imaging of pT217‐tau in aged rhesus macaque entorhinal and dorsolateral prefrontal cortex: Evidence of interneuronal trafficking and early‐stage neurodegeneration. Alzheimer's & Dementia 2024, 20: 2843-2860. PMID: 38445818, PMCID: PMC11032534, DOI: 10.1002/alz.13737.Peer-Reviewed Original Research
2023
Chronic GCPII (glutamate‐carboxypeptidase‐II) inhibition reduces pT217Tau levels in the entorhinal and dorsolateral prefrontal cortices of aged macaques
Bathla S, Datta D, Liang F, Barthelemy N, Wiseman R, Slusher B, Asher J, Zeiss C, Ekanayake‐Alper D, Holden D, Terwilliger G, Duque A, Arellano J, van Dyck C, Bateman R, Xie Z, Nairn A, Arnsten A. Chronic GCPII (glutamate‐carboxypeptidase‐II) inhibition reduces pT217Tau levels in the entorhinal and dorsolateral prefrontal cortices of aged macaques. Alzheimer's & Dementia: Translational Research & Clinical Interventions 2023, 9: e12431. PMID: 37915375, PMCID: PMC10617575, DOI: 10.1002/trc2.12431.Peer-Reviewed Original ResearchSporadic Alzheimer's diseaseEntorhinal cortexGCPII inhibitionDorsolateral prefrontal cortexChronic inhibitionTau pathologyTau hyperphosphorylationAged macaquesType 3 metabotropic glutamate receptorAlzheimer's diseasePrefrontal cortexRhesus macaquesVehicle-treated monkeysAged rhesus macaquesMetabotropic glutamate receptorsApparent side effectsAmyloid beta 1Regulation of calciumGCPII inhibitorsKey etiological factorGCPII activityPrimate dlPFCNeuronal damageCSF analysisCalcium dysregulation
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