2021
Macroscopic Structural and Connectome Mapping of the Mouse Brain Using Diffusion Magnetic Resonance Imaging
Arefin TM, Lee CH, White JD, Zhang J, Kaffman A. Macroscopic Structural and Connectome Mapping of the Mouse Brain Using Diffusion Magnetic Resonance Imaging. Bio-protocol 2021, 11: e4221. PMID: 34909442, PMCID: PMC8635841, DOI: 10.21769/bioprotoc.4221.Peer-Reviewed Original ResearchEarly life stressMagnetic resonance imagingMouse brainDiffusion magnetic resonance imagingMouse modelResonance imagingWhole-brain voxel-based analysisVoxel-based analysisClinical trialsPostnatal stressPreclinical studiesNeurological conditionsAdult miceEntire mouse brainStructural abnormalitiesBrain regionsMouse strainsBrain connectivityBrainLife stressTranslational utilityStructural connectivityRodentsMiceTranslational work
2020
Early life stress causes sex-specific changes in adult fronto-limbic connectivity that differentially drive learning
White JD, Arefin TM, Pugliese A, Lee CH, Gassen J, Zhang J, Kaffman A. Early life stress causes sex-specific changes in adult fronto-limbic connectivity that differentially drive learning. ELife 2020, 9: e58301. PMID: 33259286, PMCID: PMC7725504, DOI: 10.7554/elife.58301.Peer-Reviewed Original ResearchConceptsEarly life stressSex-specific changesContextual freezing behaviorFronto-limbic connectivityLife stressHigh-resolution diffusion magnetic resonance imagingSex-specific mechanismsMagnetic resonance imagingNeuroanatomical alterationsPostnatal stressDiffusion magnetic resonance imagingMouse modelFronto-limbicResonance imagingModerate responseMalesTranslational workFemalesRodentsFreezing behaviorHuman imagingImagingHypoconnectivityInjury
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
2017
Early life stress perturbs the function of microglia in the developing rodent brain: New insights and future challenges
Johnson FK, Kaffman A. Early life stress perturbs the function of microglia in the developing rodent brain: New insights and future challenges. Brain Behavior And Immunity 2017, 69: 18-27. PMID: 28625767, PMCID: PMC5732099, DOI: 10.1016/j.bbi.2017.06.008.Peer-Reviewed Original ResearchConceptsEarly life stressMicroglial functionLife stressAnimal modelsBehavioral abnormalitiesStress-induced neuroinflammationMicroglial cell numberFunction of microgliaMicroglial gene expressionChildhood maltreatmentInnate immune systemMedical complicationsLong-term adultAbnormal maturationMouse modelSynaptic pruningRodent brainImmune systemPhagocytic activityAxonal growthBrain developmentDaily separationFirst weekGene expressionAbnormalities
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 ResearchConceptsEarly 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