2024
The loss of βΙ spectrin alters synaptic size and composition in the ja/ja mouse
Stankewich M, Peters L, Morrow J. The loss of βΙ spectrin alters synaptic size and composition in the ja/ja mouse. Frontiers In Neuroscience 2024, 18: 1415115. PMID: 39165342, PMCID: PMC11333264, DOI: 10.3389/fnins.2024.1415115.Peer-Reviewed Original ResearchJa/ja miceGranule layerCerebellar granule layerPostnatal day 8Cortical layers 2Cerebellar granule neuronsPostsynaptic density sizeSpectrin gene familyJaundiced miceMature mouse brainExchange transfusionHemolytic anemiaHemolytic pathologiesHematological consequencesMedial habenulaGranule neuronsFatal hemolytic anemiaDay 8Dentate gyrusNeuropsychiatric disordersSpectrin deficiencyWhite matterJa/jaMiceMouse brainTreadmill Exercise Enhances Post-Stroke Functional Recovery in Mice via the CX3CL1/CX3CR1 Signaling Pathway
Ge Y, Dou X, Chen P, Chen J, Dai M, Yao S, Lin Y. Treadmill Exercise Enhances Post-Stroke Functional Recovery in Mice via the CX3CL1/CX3CR1 Signaling Pathway. Molecular Neurobiology 2024, 62: 591-603. PMID: 38886327, DOI: 10.1007/s12035-024-04287-1.Peer-Reviewed Original ResearchTreadmill exercisePost-strokeMorris water mazeTreadmill sessionsExercise mimeticsPost-stroke functional recoveryPost-ischemic strokePost-stroke recoveryTreadmillDentate gyrusRostral migratory streamEvaluate cognitive functionExerciseMiddle cerebral artery occlusionEnhanced neurogenesisCognitive functionModified neurological severity scoreSubventricular zoneSeverity scoreIschemic strokeSensorimotor functionControl groupFunctional recoveryExperimental groupIntraperitoneal injection of bromodeoxyuridineModelling adult neurogenesis in the aging rodent hippocampus: a midlife crisis
Arellano J, Rakic P. Modelling adult neurogenesis in the aging rodent hippocampus: a midlife crisis. Frontiers In Neuroscience 2024, 18: 1416460. PMID: 38887368, PMCID: PMC11181911, DOI: 10.3389/fnins.2024.1416460.Peer-Reviewed Original ResearchAdult neurogenesisHippocampal functionAdult hippocampal neurogenesisAged animalsMiddle aged animalsHippocampal neurogenesisGranule cellsDentate gyrusMature granule cellsRodent hippocampusMidlife crisisNeurogenesisFunctional relevanceRodentsDramatically with ageNeuronsYoung animalsOlder animalsGyrusHippocampusRatsRobust neurogenesisHippocampalMeta-analysisDentateSex Differences in Early Life Stress Effects on Fear Generalization are Mediated by Serotonergic Regulation of the Ventral Dentate Gyrus
Anacker C, Malave L, Dixon R. Sex Differences in Early Life Stress Effects on Fear Generalization are Mediated by Serotonergic Regulation of the Ventral Dentate Gyrus. Biological Psychiatry 2024, 95: s12-s13. DOI: 10.1016/j.biopsych.2024.02.036.Peer-Reviewed Original Research
2023
Structural Neuroimaging of Hippocampus and Amygdala Subregions in Posttraumatic Stress Disorder: A Scoping Review
Ben-Zion Z, Korem N, Fine N, Katz S, Siddhanta M, Funaro M, Duek O, Spiller T, Danböck S, Levy I, Harpaz-Rotem I. Structural Neuroimaging of Hippocampus and Amygdala Subregions in Posttraumatic Stress Disorder: A Scoping Review. Biological Psychiatry Global Open Science 2023, 4: 120-134. PMID: 38298789, PMCID: PMC10829655, DOI: 10.1016/j.bpsgos.2023.07.001.Peer-Reviewed Original ResearchPost-traumatic stress disorderAmygdala subregionsStress disorderKey limbic regionsEtiology of PTSDPosttraumatic stress disorderDentate gyrusLimbic regionsSubiculum volumeSubregion volumesHippocampal subregionsDisorder pathogenesisStructural neuroimagingAutomatic segmentation softwareAmygdalar subregionsHippocampusNucleus volumeScoping ReviewPathogenesisCurrent literatureDisordersSegmentation softwareMethodological limitationsPost-traumatic psychopathologyReviewA Glucocorticoid-Sensitive Hippocampal Gene Network Moderates the Impact of Early-Life Adversity on Mental Health Outcomes
Arcego D, Buschdorf J, O'Toole N, Wang Z, Barth B, Pokhvisneva I, Rayan N, Patel S, de Mendonça Filho E, Lee P, Tan J, Koh M, Sim C, Parent C, de Lima R, Clappison A, O'Donnell K, Dalmaz C, Arloth J, Provençal N, Binder E, Diorio J, Silveira P, Meaney M. A Glucocorticoid-Sensitive Hippocampal Gene Network Moderates the Impact of Early-Life Adversity on Mental Health Outcomes. Biological Psychiatry 2023, 95: 48-61. PMID: 37406925, DOI: 10.1016/j.biopsych.2023.06.028.Peer-Reviewed Original ResearchConceptsHippocampal dentate gyrusDentate gyrusPsychiatric disordersHuman hippocampal cellsBrain gray matter densityEarly adversitySingle nucleotide polymorphismsMultiple psychiatric conditionsEarly life adversityGray matter densityAdult female macaquesMental health outcomesTranscriptional activityGlucocorticoid exposureNucleotide polymorphismsLater psychosisStress mediatorsHippocampal cellsPsychotic disordersAnimal modelsHealth outcomesPsychiatric conditionsSignificant associationFemale macaquesMental healthExcitatory somatostatin interneurons in the dentate gyrus drive a widespread seizure network in cortical dysplasia
Zheng Y, Xu C, Sun J, Ming W, Dai S, Shao Y, Qiu X, Li M, Shen C, Xu J, Fei F, Fang J, Jiang X, Zheng G, Hu W, Wang Y, Wang S, Ding M, Chen Z. Excitatory somatostatin interneurons in the dentate gyrus drive a widespread seizure network in cortical dysplasia. Signal Transduction And Targeted Therapy 2023, 8: 186. PMID: 37193687, PMCID: PMC10188524, DOI: 10.1038/s41392-023-01404-9.Peer-Reviewed Original ResearchConceptsSomatostatin-positive interneuronsCortical dysplasiaSeizure networkDentate gyrusParvalbumin-positive interneuronsSomatostatin-positive neuronsExcitatory transmissionDysplastic lesionsSomatostatin interneuronsPoor prognosisSomatostatin-positiveEpileptic hippocampusImmunohistochemical studiesCalcium imagingDysplasiaInterneuronsElectrophysiological recordingsSeizure generalizationCellular basisSeizuresInhibitory roleHippocampusOptogenetic studiesDentateCellular substratesCannabinoid regulation of neurons in the dentate gyrus during epileptogenesis: Role of CB1R‐associated proteins and downstream pathways
Lafourcade C, Sparks F, Bordey A, Wyneken U, Mohammadi M. Cannabinoid regulation of neurons in the dentate gyrus during epileptogenesis: Role of CB1R‐associated proteins and downstream pathways. Epilepsia 2023, 64: 1432-1443. PMID: 36869624, DOI: 10.1111/epi.17569.Peer-Reviewed Original ResearchConceptsTemporal lobe epilepsyDentate gyrusStatus epilepticusProgression of epileptogenesisHippocampal dentate gyrusRole of CB1RCannabinoid regulationHippocampal excitabilityRecurrent seizuresLobe epilepsyRecent findingsEndogenous cannabinoidsBrain injuryClinical trialsEpileptic dischargesNeurologic disordersRetrograde messengerDG circuitryHippocampal formationNeuronal activityTherapeutic interventionsSeizuresEpileptogenesisExcessive excitationCannabinoids
2022
Proteomic differences in hippocampus and cortex of sudden unexplained death in childhood
Leitner DF, William C, Faustin A, Askenazi M, Kanshin E, Snuderl M, McGuone D, Wisniewski T, Ueberheide B, Gould L, Devinsky O. Proteomic differences in hippocampus and cortex of sudden unexplained death in childhood. Acta Neuropathologica 2022, 143: 585-599. PMID: 35333953, PMCID: PMC8953962, DOI: 10.1007/s00401-022-02414-7.Peer-Reviewed Original ResearchConceptsSudden unexplained deathDentate gyrusFrontal cortexClinical historyCA1-3Unexplained deathBrain regionsSudden unexpected deathHippocampal dentate gyrusFebrile seizure historyAcute phase responseCause of deathYears of ageMechanism of deathCircumstances of deathSUDC casesMolecular signaling pathwaysClinical featuresSeizure historyPathological featuresMultiple etiologiesCornu ammonisUnexpected deathPreventive strategiesAncillary testing
2021
Chronic Administration of Thymoquinone Enhances Adult Hippocampal Neurogenesis and Improves Memory in Rats Via Regulating the BDNF Signaling Pathway
Al Mamun A, Matsuzaki K, Islam R, Hossain S, Hossain ME, Katakura M, Arai H, Shido O, Hashimoto M. Chronic Administration of Thymoquinone Enhances Adult Hippocampal Neurogenesis and Improves Memory in Rats Via Regulating the BDNF Signaling Pathway. Neurochemical Research 2021, 47: 933-951. PMID: 34855048, DOI: 10.1007/s11064-021-03495-8.Peer-Reviewed Original ResearchConceptsBrain-derived neurotrophic factorChronic administrationCAMP response element-binding proteinAdult ratsHippocampal neurogenesisCREB/brain-derived neurotrophic factorBDNF Signaling PathwayChronic oral administrationAdult hippocampal neurogenesisNumber of bromodeoxyuridineEffect of TQCultured neural stem/progenitor cellsMature neuronal markersNeural stem/progenitor cellsNigella sativa LinnStem/progenitor cellsProfound beneficial effectsRats ViaWestern blot analysisBDNF pathwayProportion of cellsTQ treatmentAdult neurogenesisNeurotrophic factorDentate gyrusAnterior-posterior axis of hippocampal subfields across psychoses: A B-SNIP study
del Re E, Zeng V, Alliey-Rodriguez N, Lizano P, Bolo N, Lutz O, Pearlson G, Sweeney J, Clementz B, Gershon E, Tamminga C, Keshavan M. Anterior-posterior axis of hippocampal subfields across psychoses: A B-SNIP study. Biomarkers In Neuropsychiatry 2021, 5: 100037. DOI: 10.1016/j.bionps.2021.100037.Peer-Reviewed Original ResearchVolumetric abnormalitiesPsychosis probandsBipolar type 1Granule cell layerT MRI scansB-SNIP studyB-SNIPDentate gyrusBipolar-Schizophrenia NetworkHealthy controlsClinical dataHippocampal subfieldsDSM categoriesMRI scansSchizoaffective disorderHippocampusType 1Schizophrenia NetworkAbnormalitiesUnaffected relativesAnterior-posterior axisSchizophreniaPsychosisProbandsConclusions DifferencesComparative Milestones in Rodent and Human Postnatal Central Nervous System Development
Zeiss CJ. Comparative Milestones in Rodent and Human Postnatal Central Nervous System Development. Toxicologic Pathology 2021, 49: 1368-1373. PMID: 34569375, DOI: 10.1177/01926233211046933.Peer-Reviewed Original ResearchConceptsPostnatal developmentCentral nervous system immaturityPostnatal central nervous system developmentRodent olfactory bulbCentral nervous system developmentRodent brain developmentPostnatal injuryDentate gyrusPostnatal neurogenesisNervous system developmentOlfactory bulbSynaptic maturationSynaptic pruningNeurodevelopmental toxicityGuinea pigsBrain developmentAltricial rodentsCNS developmentPrecocial guinea pigCerebellar developmentRodentsRatsMyelinationNeurogenesisBirthCombinatorial actions of glucocorticoid and mineralocorticoid stress hormone receptors are required for preventing neurodegeneration of the mouse hippocampus
Oakley R, Whirledge S, Petrillo M, Riddick N, Xu X, Moy S, Cidlowski J. Combinatorial actions of glucocorticoid and mineralocorticoid stress hormone receptors are required for preventing neurodegeneration of the mouse hippocampus. Neurobiology Of Stress 2021, 15: 100369. PMID: 34368410, PMCID: PMC8326231, DOI: 10.1016/j.ynstr.2021.100369.Peer-Reviewed Original ResearchDentate gyrus neuronsMineralocorticoid receptorGyrus neuronsKnockout miceSingle knockout counterpartsConditioned fear testDouble knockout miceStress hormone receptorsPrimary stress hormoneCA2 neuronsHippocampal glucocorticoidRelated nuclear receptorsKnockout counterpartsNeuronal deathDentate gyrusNeuronal markersLarge cohortMouse hippocampusPsychiatric disordersGlucocorticoidsHippocampusCell proliferation pathwaysChronic stressStress hormonesProfound neurodegenerationMeta-analysis of brain structural changes after electroconvulsive therapy in depression
Gryglewski G, Lanzenberger R, Silberbauer LR, Pacher D, Kasper S, Rupprecht R, Frey R, Baldinger-Melich P. Meta-analysis of brain structural changes after electroconvulsive therapy in depression. Brain Stimulation 2021, 14: 927-937. PMID: 34119669, DOI: 10.1016/j.brs.2021.05.014.Peer-Reviewed Original ResearchConceptsElectroconvulsive therapyDentate gyrusHippocampal subfieldsSignificant volume increaseSeries of ECTStandardized mean change scoresBrain structuresLongitudinal magnetic resonance imagingBrain structural changesCornu ammonis 1Mean change scoresRegional brain volumesRandom-effects modelMagnetic resonance imagingClinical outcomesSymptom improvementDepressive patientsTreatment outcomesStandardized mean changeBilateral hippocampusIndividual patientsMean changeBrain volumeWarrant replicationResonance imaging
2020
Impact of Monosodium Glutamate and Corticosterone in the Hippocampus: Glucocorticoid Regulation and Caspase‐3 mediated Microvascular and Neuronal Apoptosis
Mathew S, Joy K. Impact of Monosodium Glutamate and Corticosterone in the Hippocampus: Glucocorticoid Regulation and Caspase‐3 mediated Microvascular and Neuronal Apoptosis. The FASEB Journal 2020, 34: 1-1. DOI: 10.1096/fasebj.2020.34.s1.02786.Peer-Reviewed Original ResearchBlood-brain barrierExposure to monosodium glutamateGlucocorticoid receptorApoptotic signaling cascadeEnhanced glucocorticoid receptorDay 8Immediate response to stressEffects of corticosteroneResponse to stressCaspase-3Corticosterone exposureCorticosterone modelBody weightGlutamate modelGroup I control ratsMonosodium glutamate modelDentate gyrusBax-dependent apoptotic pathwayMonosodium glutamateHippocampusNeuronal apoptosisSignaling cascadesGene expressionGroup II ratsMale Wistar ratsNeuropathologic Changes in Sudden Unexplained Death in Childhood
McGuone D, Leitner D, William C, Faustin A, Leelatian N, Reichard R, Shepherd TM, Snuderl M, Crandall L, Wisniewski T, Devinsky O. Neuropathologic Changes in Sudden Unexplained Death in Childhood. Journal Of Neuropathology & Experimental Neurology 2020, 79: 336-346. PMID: 31995186, PMCID: PMC7036658, DOI: 10.1093/jnen/nlz136.Peer-Reviewed Original ResearchConceptsSudden unexplained deathHippocampal abnormalitiesUnexplained deathHippocampal findingsNumber of seizuresBoard-certified neuropathologistsCause of deathComprehensive case investigationMultiple chromosomal aberrationsSeizure pathogenesisSUDC casesFebrile seizuresHippocampal alterationsMedian ageHistological reviewNeuropathologic changesNeuropathologic investigationDentate gyrusProne positionCommon findingAncillary testingAutopsy dataMolecular testingApparent sleepBrain samples
2019
Id4 Downstream of Notch2 Maintains Neural Stem Cell Quiescence in the Adult Hippocampus
Zhang R, Boareto M, Engler A, Louvi A, Giachino C, Iber D, Taylor V. Id4 Downstream of Notch2 Maintains Neural Stem Cell Quiescence in the Adult Hippocampus. Cell Reports 2019, 28: 1485-1498.e6. PMID: 31390563, DOI: 10.1016/j.celrep.2019.07.014.Peer-Reviewed Original ResearchConceptsNeural stem cellsDentate gyrusNSC quiescenceAdult mouse hippocampal dentate gyrusNSC proliferationMouse hippocampal dentate gyrusAdult dentate gyrusHippocampal dentate gyrusExpense of neurogenesisNeural stem cell quiescenceId4 knockdownAdult hippocampusNeuron generationId4 expressionNeuronal differentiationCell cycle entryNSC activationMajor effectorStem cell quiescenceNotch2NeurogenesisCell quiescenceStem cellsDownstream targetsNSC maintenanceA balanced evaluation of the evidence for adult neurogenesis in humans: implication for neuropsychiatric disorders
Duque A, Spector R. A balanced evaluation of the evidence for adult neurogenesis in humans: implication for neuropsychiatric disorders. Brain Structure And Function 2019, 224: 2281-2295. PMID: 31278571, PMCID: PMC6852840, DOI: 10.1007/s00429-019-01917-6.Peer-Reviewed Original ResearchConceptsAdult human brainAdult neurogenesisHuman brainAdult human neurogenesisNormal neuronal circuitsBrain homeostatic systemsNeural stem cellsDentate gyrusBrain neuronsAdult brainCertain drugsNeuronal circuitsHigher cognitive functionsNeuropsychiatric disordersCognitive functionNeurogenesisHuman neurogenesisBrainHomeostatic systemNeuronsStem cellsRecent studiesPrevention of damageDifferent stimuliHumans
2018
Structural changes in amygdala nuclei, hippocampal subfields and cortical thickness following electroconvulsive therapy in treatment-resistant depression: longitudinal analysis
Gryglewski G, Baldinger-Melich P, Seiger R, Godbersen GM, Michenthaler P, Klöbl M, Spurny B, Kautzky A, Vanicek T, Kasper S, Frey R, Lanzenberger R. Structural changes in amygdala nuclei, hippocampal subfields and cortical thickness following electroconvulsive therapy in treatment-resistant depression: longitudinal analysis. The British Journal Of Psychiatry 2018, 214: 159-167. PMID: 30442205, PMCID: PMC6383756, DOI: 10.1192/bjp.2018.224.Peer-Reviewed Original ResearchConceptsTreatment-resistant depressionElectroconvulsive therapyMagnetic resonance imagingCortical thicknessHippocampal subfieldsAmygdala nucleiHippocampal-amygdaloid transition areaRight unilateral electroconvulsive therapyEffects of ECTHigh-resolution structural magnetic resonance imagingUnipolar treatment-resistant depressionCorticoamygdaloid transition areaPathophysiology of depressionPre-post study designCorrelation of imagingUnilateral electroconvulsive therapyTreatment of choiceStructural magnetic resonance imagingSpecific hippocampal subfieldsSevere mental illnessGrant/research supportStress-related disordersClinical parametersRepeated-measures ANOVADentate gyrus2235 15N-Leucine transport across the blood brain barrier is significantly impaired in the glutamine synthetase-inhibited brain
Gruenbaum S, Dhaher R, Behar K, Zaveri H, Erfe M, Eid T. 2235 15N-Leucine transport across the blood brain barrier is significantly impaired in the glutamine synthetase-inhibited brain. Journal Of Clinical And Translational Science 2018, 2: 1-1. PMCID: PMC6808188, DOI: 10.1017/cts.2018.37.Peer-Reviewed Original ResearchIpsilateral hippocampusDentate gyrusAstroglial glutamine synthetaseMicrodialysis guide cannulaBlood-brain barrierImmune system dysfunctionRight dentate gyrusBilateral dentate gyrusL-type amino acid transporterBrief isoflurane anesthesiaArtificial extracellular fluidSignificant increaseGlutamine concentrationImportant therapeutic targetBilateral microdialysis probesAmino acid influxMethionine sulfoximineContralateral hippocampusLiver diseaseBrain ammoniaSynaptic glutamateBrain barrierSystem dysfunctionGuide cannulaIsoflurane anesthesia
This site is protected by hCaptcha and its Privacy Policy and Terms of Service apply