2024
Medial Amygdalar Tau Is Associated With Mood Symptoms in Preclinical Alzheimer’s Disease
Li J, Tun S, Ficek-Tani B, Xu W, Wang S, Horien C, Toyonaga T, Nuli S, Zeiss C, Powers A, Zhao Y, Mormino E, Fredericks C. Medial Amygdalar Tau Is Associated With Mood Symptoms in Preclinical Alzheimer’s Disease. Biological Psychiatry Cognitive Neuroscience And Neuroimaging 2024, 9: 1301-1311. PMID: 39059466, PMCID: PMC11625605, DOI: 10.1016/j.bpsc.2024.07.012.Peer-Reviewed Original ResearchAssociated with mood symptomsMood symptomsAmyloid-positive individualsMedial amygdalaSeed-based functional connectivity analysisAssociated with anxiety symptomsSelf-reported mood symptomsPost hoc correlation analysisAlzheimer's diseaseFunctional connectivity analysisPreclinical Alzheimer's diseaseTau bindingOrbitofrontal cortexTau depositionAmygdalar connectivityEmotional processingAnxiety symptomsRetrosplenial cortexBetween-group differencesAmygdalaFunctional connectivityLateral amygdalaConnectivity analysisDepression scoresNeuropsychiatric symptoms
2015
Inhibition of glutamine synthetase in the central nucleus of the amygdala induces anhedonic behavior and recurrent seizures in a rat model of mesial temporal lobe epilepsy
Gruenbaum SE, Wang H, Zaveri HP, Tang AB, Lee TS, Eid T, Dhaher R. Inhibition of glutamine synthetase in the central nucleus of the amygdala induces anhedonic behavior and recurrent seizures in a rat model of mesial temporal lobe epilepsy. Epilepsy & Behavior 2015, 51: 96-103. PMID: 26262937, PMCID: PMC4663049, DOI: 10.1016/j.yebeh.2015.07.015.Peer-Reviewed Original ResearchMeSH KeywordsAmygdalaAnalysis of VarianceAnhedoniaAnimalsBrainCentral Amygdaloid NucleusComorbidityDepressive DisorderDisease Models, AnimalElectroencephalographyEnzyme InhibitorsEpilepsy, Temporal LobeGlutamate-Ammonia LigaseHippocampusMaleMethionine SulfoximineNeuronsRatsRats, Sprague-DawleySeizuresConceptsMesial temporal lobe epilepsyTemporal lobe epilepsyRecurrent seizuresLobe epilepsyCentral nucleusMale Sprague-Dawley ratsPrevalence of depressionSprague-Dawley ratsGlutamine synthetase inhibitor methionine sulfoximineMeasures of anhedoniaRight CeA.Seizure activityAnhedonic behaviorDentate gyrusMedial amygdalaSucrose preferenceRat modelCommon causeAstrocytic enzymeBasolateral amygdalaLateral amygdalaOsmotic pumpPatientsEpilepsyAmygdala
2012
The tyrosine phosphatase STEP constrains amygdala-dependent memory formation and neuroplasticity
Olausson P, Venkitaramani D, Moran T, Salter M, Taylor J, Lombroso P. The tyrosine phosphatase STEP constrains amygdala-dependent memory formation and neuroplasticity. Neuroscience 2012, 225: 1-8. PMID: 22885232, PMCID: PMC3725644, DOI: 10.1016/j.neuroscience.2012.07.069.Peer-Reviewed Original ResearchMeSH KeywordsAmygdalaAnalysis of VarianceAnimalsBiophysicsConditioning, OperantElectric StimulationExcitatory Postsynaptic PotentialsFearMaleMAP Kinase Signaling SystemMemoryMiceMice, Inbred C57BLMice, TransgenicNeuronal PlasticityPatch-Clamp TechniquesProtein Tyrosine Phosphatases, Non-ReceptorReinforcement ScheduleReinforcement, PsychologyConceptsSynaptic plasticityExperience-dependent synaptic plasticityAspartic acid (NMDA) receptorsMemory formationLong-term potentiationAdult neuroplasticityAmygdala-dependent memory formationPharmacological treatmentKO miceExperience-induced neuroplasticityTyrosine phosphatase STEPNR2B subunitLateral amygdalaBrain regionsTyrosine kinase FynAcid receptorsStriatal-enriched protein tyrosine phosphataseNeuroplasticityMiceERK phosphorylationReceptor internalizationERK signalingKinase 1/2Detectable expressionSTEP KO mice
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