2024
Early adversity causes sex-specific deficits in perforant pathway connectivity and contextual memory in adolescent mice
Islam R, White J, Arefin T, Mehta S, Liu X, Polis B, Giuliano L, Ahmed S, Bowers C, Zhang J, Kaffman A. Early adversity causes sex-specific deficits in perforant pathway connectivity and contextual memory in adolescent mice. Biology Of Sex Differences 2024, 15: 39. PMID: 38715106, PMCID: PMC11075329, DOI: 10.1186/s13293-024-00616-0.Peer-Reviewed Original ResearchConceptsLateral entorhinal cortexContextual fear conditioningDorsal hippocampusHippocampal developmentSex differencesFear conditioningEarly adversityLimited beddingSevere deficitsModel of early adversitySex-specific deficitsReelin-positive neuronsPerforant pathwayReelin-positive cellsDiffusion magnetic resonance imagingEx vivo diffusion magnetic resonance imagingContextual freezingContextual memoryAdolescent miceHippocampal functionLife adversityEntorhinal cortexHippocampusDeficitsAdolescent males
2021
Deficits in hippocampal-dependent memory across different rodent models of early life stress: systematic review and meta-analysis
Rocha M, Wang D, Avila-Quintero V, Bloch MH, Kaffman A. Deficits in hippocampal-dependent memory across different rodent models of early life stress: systematic review and meta-analysis. Translational Psychiatry 2021, 11: 231. PMID: 33879774, PMCID: PMC8058062, DOI: 10.1038/s41398-021-01352-4.Peer-Reviewed Original ResearchConceptsEarly life stressNovel object recognitionMorris water mazeDifferent rodent modelsContextual fear conditioningMaternal separationHippocampal-dependent memoryVentral hippocampusDorsal hippocampusRodent modelsLife stressAbnormal hippocampal developmentStandardized mean differenceSimilar cognitive deficitsWeb of ScienceModerate effect sizeCFC taskFunctional deficitsFear conditioningInclusion criteriaPreclinical studiesReduced freezingHippocampal developmentLimited beddingWater maze
2018
Amygdala hyper-connectivity in a mouse model of unpredictable early life stress
Johnson FK, Delpech JC, Thompson GJ, Wei L, Hao J, Herman P, Hyder F, Kaffman A. Amygdala hyper-connectivity in a mouse model of unpredictable early life stress. Translational Psychiatry 2018, 8: 49. PMID: 29463821, PMCID: PMC5820270, DOI: 10.1038/s41398-018-0092-z.Peer-Reviewed Original ResearchConceptsEarly life stressAdult male miceAnxiety-like behaviorLimited beddingMale miceMouse modelUnpredictable early life stressAmygdala-prefrontal cortex connectivityChildhood maltreatmentOpen field testFrontolimbic brain regionsResting-state fMRIFrontolimbic connectivityPostnatal stressCortex connectivityAbnormal connectivityAmygdala connectivityAdult miceAnimal modelsFrontolimbic circuitsBrain regionsStress paradigmPrefrontal cortexRobust increaseMice
2016
Early life stress perturbs the maturation of microglia in the developing hippocampus
Delpech JC, Wei L, Hao J, Yu X, Madore C, Butovsky O, Kaffman A. Early life stress perturbs the maturation of microglia in the developing hippocampus. Brain Behavior And Immunity 2016, 57: 79-93. PMID: 27301858, PMCID: PMC5010940, DOI: 10.1016/j.bbi.2016.06.006.Peer-Reviewed Original ResearchMeSH KeywordsAge FactorsAnimalsHippocampusMaternal DeprivationMiceMice, Inbred BALB CMicrogliaStress, PsychologicalConceptsEarly life stressHippocampal developmentLife stressPhagocytic activityAbnormal hippocampal developmentNormal hippocampal developmentMorphology of microgliaPostnatal day 28Vivo phagocytic activityImpairs hippocampal functionMaturation of microgliaImmune panelHippocampal microgliaMicroglial activityMicroglial functionNormal cell numbersSynaptic maturationOld miceMicrogliaMouse modelRodent modelsSynaptic pruningDay 28Old pupsHippocampus
2015
Early-Life Stress Perturbs Key Cellular Programs in the Developing Mouse Hippocampus
Wei L, Hao J, Lacher RK, Abbott T, Chung L, Colangelo CM, Kaffman A. Early-Life Stress Perturbs Key Cellular Programs in the Developing Mouse Hippocampus. Developmental Neuroscience 2015, 37: 476-488. PMID: 26068561, PMCID: PMC4644446, DOI: 10.1159/000430861.Peer-Reviewed Original ResearchConceptsEarly life stressEffects of ELSHippocampal developmentSynaptic maturationAxonal growthExpression of proteinsJuvenile hippocampusJuvenile miceHippocampal functionAbnormal hippocampal developmentNormal axonal growthHippocampal-dependent memoryNormal synaptic developmentHuman imaging studiesTotal protein contentCA1 neuronsSynaptic markersFemale miceMouse modelMouse hippocampusSynaptic pruningAnimal modeMature spinesHippocampusSynaptic proteins
2014
Early Life Stress Inhibits Expression of Ribosomal RNA in the Developing Hippocampus
Wei L, Hao J, Kaffman A. Early Life Stress Inhibits Expression of Ribosomal RNA in the Developing Hippocampus. PLOS ONE 2014, 9: e115283. PMID: 25517398, PMCID: PMC4269428, DOI: 10.1371/journal.pone.0115283.Peer-Reviewed Original ResearchConceptsEarly life stressSecond weekHippocampal growthAbnormal hippocampal functionNormal hippocampal developmentNormal mouse hippocampusLife stressMaternal separationMouse hippocampusMouse modelHippocampal developmentHippocampal functionHippocampus developmentNovel molecular mechanismDaily separationHippocampusWeeksDNA methylationInhibits expressionAdulthoodExposureMolecular mechanismsRNA contentGradual declineNormal growth
2011
Early Life Stress Inhibits Expression of a Novel Innate Immune Pathway in the Developing Hippocampus
Wei L, Simen A, Mane S, Kaffman A. Early Life Stress Inhibits Expression of a Novel Innate Immune Pathway in the Developing Hippocampus. Neuropsychopharmacology 2011, 37: 567-580. PMID: 21993208, PMCID: PMC3242319, DOI: 10.1038/npp.2011.239.Peer-Reviewed Original ResearchMeSH KeywordsAcute-Phase ProteinsAnimalsAnimals, NewbornAnxietyBehavior, AnimalCarrier ProteinsCorticosteroneCritical Period, PsychologicalDisease Models, AnimalDown-RegulationFemaleGenomicsHippocampusHumansImmunity, InnateMaleMaternal DeprivationMembrane GlycoproteinsMemory DisordersMiceMice, Inbred BALB CMice, KnockoutNeurogenesisStress, PsychologicalConceptsLipopolysaccharide binding proteinEarly life stressAnxiety-like behaviorLife stressSynaptic pruningNovel innate immune pathwayLBP knockout miceNormal hippocampal developmentNormal synaptic pruningSynaptic marker PSD95Hippocampus of pupsMajor risk factorChronic mental illnessImpairs cognitive functionInnate immune pathwaysPostnatal day 30Hippocampal-dependent memoryAbnormal spine morphologyInnate immune systemNon-human primatesLBP levelsSpine densityMicroglia cellsRisk factorsHippocampal developmentEarly-life stress, corpus callosum development, hippocampal volumetrics, and anxious behavior in male nonhuman primates
Jackowski A, Perera TD, Abdallah CG, Garrido G, Tang CY, Martinez J, Mathew SJ, Gorman JM, Rosenblum LA, Smith EL, Dwork AJ, Shungu DC, Kaffman A, Gelernter J, Coplan JD, Kaufman J. Early-life stress, corpus callosum development, hippocampal volumetrics, and anxious behavior in male nonhuman primates. Psychiatry Research 2011, 192: 37-44. PMID: 21377844, PMCID: PMC4090111, DOI: 10.1016/j.pscychresns.2010.11.006.Peer-Reviewed Original ResearchMeSH KeywordsAnalysis of VarianceAnimalsAnxietyBehavior, AnimalBrain MappingCorpus CallosumCross-Sectional StudiesFearGene FrequencyGenotypeHippocampusImage Processing, Computer-AssistedLinear ModelsMacaca radiataMagnetic Resonance ImagingMaleSerotonin Plasma Membrane Transport ProteinsStress, PsychologicalConceptsBrain developmentNonhuman primatesCorpus callosum measurementsMale bonnet monkeysMiddle temporal gyrus volumeCorpus callosum developmentMale nonhuman primatesEarly life stressReduced hippocampusCorpus callosumMRI measuresBonnet monkeysPsychiatric disordersMRI scansHippocampal volumetricsSerotonin transporter genotypeCC sizeStress paradigmHippocampusStress reactivityMorphometry assessmentBehavioral assessmentTransporter genotypeAnxious behaviorEarly stress
2010
Early life stress increases anxiety-like behavior in Balbc mice despite a compensatory increase in levels of postnatal maternal care
Wei L, David A, Duman RS, Anisman H, Kaffman A. Early life stress increases anxiety-like behavior in Balbc mice despite a compensatory increase in levels of postnatal maternal care. Hormones And Behavior 2010, 57: 396-404. PMID: 20096699, PMCID: PMC2849915, DOI: 10.1016/j.yhbeh.2010.01.007.Peer-Reviewed Original Research