Dibyadeep Datta
Assistant Professor of PsychiatryCards
About
Research
Publications
2026
Inflammatory mechanisms underlying early Alzheimer’s disease pathology: evidence from the aging rhesus macaque brain
Datta D, Wang M, Arnsten A. Inflammatory mechanisms underlying early Alzheimer’s disease pathology: evidence from the aging rhesus macaque brain. Frontiers In Cellular Neuroscience 2026, 20: 1750092. PMID: 41767744, PMCID: PMC12935894, DOI: 10.3389/fncel.2026.1750092.Peer-Reviewed Original ResearchAlzheimer's diseaseAssociation cortexSoluble formDisease pathologyTau hyperphosphorylationAmyloid-bSporadic ADHyperphosphorylated tauAlzheimer's disease pathologyPTau pathologyInflammatory signalingPrimate association cortexSynapse lossAmyloid pathologyEarly-stage pathologyCognitive deficitsSporadic formsCortical networksCognitive declineCalcium signalingRhesus macaque brainHuman brain tissueTauAutophagic degenerationAged macaquesDissociating Prefrontal Pathways in Anxiety: Evidence for Circuit-Based Pharmacological Specificity in Nonhuman Primates
Datta D. Dissociating Prefrontal Pathways in Anxiety: Evidence for Circuit-Based Pharmacological Specificity in Nonhuman Primates. Biological Psychiatry 2026, 99: 272-274. PMID: 41545171, DOI: 10.1016/j.biopsych.2025.12.003.Peer-Reviewed Original Research
2025
Anatomical characterization of pTau217 in sporadic AD: Revealing seeding and neurodegeneration within higher‐order cortical circuits
Datta D, Bolat D, Perone I, Wijegunawardana D, Joyce M, van Dyck C, Arnsten A. Anatomical characterization of pTau217 in sporadic AD: Revealing seeding and neurodegeneration within higher‐order cortical circuits. Alzheimer's & Dementia 2025, 21: e104058. PMCID: PMC12728320, DOI: 10.1002/alz70855_104058.Peer-Reviewed Original ResearchEntorhinal cortexTau pathologyMarkers of neurodegenerationModel of sporadic ADDorsolateral prefrontal cortexSubcellular localizationSporadic ADAged macaquesAlzheimer's diseasePrefrontal cortexCognitive deficitsEndo-lysosomal dysfunctionBrain circuitsLayer II entorhinal cortexBrain expressionAging BrainEndosomal traffickingTau speciesBrain pathologyCortical pathologyPhosphorylated proteinsCortical circuitsEfficacy of novel treatmentsDLPFCDendritic spinesKynurenic acid signaling expands in human and nonhuman primates and impairs dorsolateral prefrontal cortical cognition that is key to mental illness
Yang S, Datta D, Krienen F, Woo E, May A, Anderson G, Galvin V, Gonzalez-Burgos G, Lewis D, Ling E, McCarroll S, Arnsten A, Wang M. Kynurenic acid signaling expands in human and nonhuman primates and impairs dorsolateral prefrontal cortical cognition that is key to mental illness. Molecular Psychiatry 2025, 31: 1190-1200. PMID: 41413200, PMCID: PMC12929064, DOI: 10.1038/s41380-025-03425-y.Peer-Reviewed Original ResearchHigher cognitive deficitsCognitive deficitsPrimate dlPFCKAT IIKynurenic acidNeuronal firingDorsolateral prefrontal cortexAged macaquesPlasma kynurenine/tryptophan ratioSystemic administration of agentsSystemic administrationHuman dlPFCPrefrontal cortexWorking memoryDlPFC neuronsAged monkeysKynurenic acid productionCognitive performanceDLPFCCognitive functionMental illnessKynurenine/tryptophan ratioNonhuman primatesDeficitsApplication of kynurenic acidRyanodine receptor 2-mediated calcium leak is associated with increased glyoxalase I in the aging brain
Woo E, Datta D, Bathla S, Beatty H, Caglayan P, Albizu A, Lam T, Kanyo J, Joyce M, Leslie S, Uchendu S, DeLong J, Guan Q, Li J, Abramson E, Herman A, Cooper D, Licznerski P, Horvath T, Jonas E, Nairn A, Arnsten A, Sansing L. Ryanodine receptor 2-mediated calcium leak is associated with increased glyoxalase I in the aging brain. JCI Insight 2025, 10: e184041. PMID: 41100182, PMCID: PMC12643534, DOI: 10.1172/jci.insight.184041.Peer-Reviewed Original ResearchConceptsPrefrontal cortexCalcium leakImpaired working memoryGlo1 expressionCalcium dysregulationAlzheimer's diseaseRyanodine receptor 2Working memoryAge-related increaseStage of diseaseDownstream consequencesAging BrainAD mouse modelMonths of ageAged macaquesMutant miceReceptor 2Mouse modelRyR2RyanodineBrainMiceLeakDysregulationMacaquesAn integrated view of the relationships between amyloid, tau, and inflammatory pathophysiology in Alzheimer's disease
Arnsten A, Del Tredici K, Barthélemy N, Gabitto M, van Dyck C, Lein E, Braak H, Datta D. An integrated view of the relationships between amyloid, tau, and inflammatory pathophysiology in Alzheimer's disease. Alzheimer's & Dementia 2025, 21: e70404. PMID: 40767321, PMCID: PMC12326325, DOI: 10.1002/alz.70404.Peer-Reviewed Original ResearchDysregulated calcium signaling in the aged primate association cortices: vulnerability to Alzheimer’s disease neuropathology
Arnsten A, Perone I, Wang M, Yang S, Uchendu S, Bolat D, Datta D. Dysregulated calcium signaling in the aged primate association cortices: vulnerability to Alzheimer’s disease neuropathology. Frontiers In Aging Neuroscience 2025, 17: 1610350. PMID: 40735190, PMCID: PMC12303958, DOI: 10.3389/fnagi.2025.1610350.Peer-Reviewed Original ResearchTau pathologyEtiology of sporadic ADCalcium signalingAlzheimer's diseaseCalpain-2Calcium dysregulationDisease neuropathologyRegulation of calcium signalingAutophagic degenerationAPOE-e4 carriersOnset formAlzheimer's disease neuropathologyTau hyperphosphorylationActivation of calpain-2Sporadic ADAD pathologySynapse lossAmyloid pathologyCalpain-2 inhibitorDysregulated calciumTauAssociation cortexHigh-resolution nanoscale imagingTherapeutic targetAged macaquesHigher dopamine D1 receptor expression in prefrontal parvalbumin neurons underlies higher distractibility in marmosets versus macaques
Joyce M, Ivanov T, Krienen F, Mitchell J, Ma S, Inoue W, Nandy A, Datta D, Duque A, Arellano J, Gupta R, Gonzalez-Burgos G, Lewis D, Sestan N, McCarroll S, Martinez-Trujillo J, Froudist-Walsh S, Arnsten A. Higher dopamine D1 receptor expression in prefrontal parvalbumin neurons underlies higher distractibility in marmosets versus macaques. Communications Biology 2025, 8: 974. PMID: 40594842, PMCID: PMC12214923, DOI: 10.1038/s42003-025-08297-0.Peer-Reviewed Original ResearchConceptsLevels of dopamine D1 receptorDopamine D1 receptor-expressingPV neuronsD1 receptor expressionDopamine D1 receptorsDorsolateral prefrontal cortexModels of cognitionPrefrontal cortexD1 receptorsDistractor resistanceD1R expressionDopaminergic modulationSalient stimuliVisual fixation taskHigh distractionSustained attentionCognitive tasksCognitive performanceInhibitory parvalbuminFunctional microcircuitryPrimate modelDLPFCParvalbumin neuronsFixation taskD1R472. Role of Voltage-Gated Calcium Channels in Vulnerable Pyramidal Neurons in Primate Dorsolateral Prefrontal Cortex: Elucidating the Role of Cav3.1 and Cav1.2 in Higher-Order Cognition
Datta D, Yang S, Gonzalez-Burgos G, Enwright J, Arion D, Lewis D, Wang M, Arnsten A. 472. Role of Voltage-Gated Calcium Channels in Vulnerable Pyramidal Neurons in Primate Dorsolateral Prefrontal Cortex: Elucidating the Role of Cav3.1 and Cav1.2 in Higher-Order Cognition. Biological Psychiatry 2025, 97: s291-s292. DOI: 10.1016/j.biopsych.2025.02.710.Peer-Reviewed Original ResearchDysregulated calcium signaling in the aged macaque entorhinal cortex associated with tau hyperphosphorylation
Bathla S, Datta D, Bolat D, Woo E, Duque A, Arellano J, Arnsten A, Nairn A. Dysregulated calcium signaling in the aged macaque entorhinal cortex associated with tau hyperphosphorylation. Frontiers In Aging Neuroscience 2025, 17: 1549770. PMID: 40365352, PMCID: PMC12069431, DOI: 10.3389/fnagi.2025.1549770.Peer-Reviewed Original ResearchTau pathologyTau hyperphosphorylationAlzheimer's diseaseAssociated with tau hyperphosphorylationSoluble phosphorylated tauSporadic Alzheimer's diseaseCalcium signalingDysregulated calcium signalingTau etiologyEarly stages of ADHyperphosphorylationSignaling pathwayHuman ADInflammatory signaling pathwaysCalpain-2Stages of ADMolecular processesHydrolyze cAMPTauEntorhinal cortexCarboxypeptidase IIGlutamate carboxypeptidase IIDephosphorylation
Academic Achievements & Community Involvement
News
News
- December 18, 2025
Datta Awarded New Investigators Grant for Alzheimer's Research
- August 08, 2025Source: Yale News
‘A Tipping Point’: An Update From the Frontiers of Alzheimer’s Disease Research
- March 06, 2024
Study Probes Blood Biomarker for Early-stage Alzheimer's Disease
- January 18, 2024
Datta Selected to Receive 2024 Society of Biological Psychiatry Travel Fellowship Award
Get In Touch
Contacts
Locations
Sterling Hall of Medicine
Academic Office
333 Cedar Street, Wing B, Fl 4th Floor, Rm 410
New Haven, CT 06510