Effects of Estradiol on Learned Helplessness and Associated Remodeling of Hippocampal Spine Synapses in Female Rats
Hajszan T, Szigeti-Buck K, Sallam NL, Bober J, Parducz A, MacLusky NJ, Leranth C, Duman RS. Effects of Estradiol on Learned Helplessness and Associated Remodeling of Hippocampal Spine Synapses in Female Rats. Biological Psychiatry 2010, 67: 168-174. PMID: 19811775, PMCID: PMC2794927, DOI: 10.1016/j.biopsych.2009.08.017.Peer-Reviewed Original ResearchMeSH KeywordsAnalysis of VarianceAnimalsBehavior, AnimalCA1 Region, HippocampalDendritic SpinesDisease Models, AnimalElectroshockEscape ReactionEstradiolEstrogensFemaleHelplessness, LearnedMicroscopy, Electron, TransmissionNeuronsOvariectomyRatsRats, Sprague-DawleyRegression AnalysisStereotaxic TechniquesStress, PsychologicalSynapsesTime FactorsConceptsHippocampal spine synapsesSpine synapsesHelpless behaviorFemale ratsSpine synapse numberNeurobiology of depressionOvariectomized female ratsEffects of estradiolPresence of estradiolElectron microscopic stereologySynaptic lossSubchronic treatmentEstradiol exposureEstradiol supplementationFemale reproductive lifeNonstressed animalsSynaptic responsesSynaptogenic effectsDepression neurobiologyMale ratsSynapse numberAntidepressant desipramineEscape testingSynapse remodelingSignificant negative correlation