2022
Positive modulation of N-methyl-D-aspartate receptors in the mPFC reduces the spontaneous recovery of fear
Lee B, Pothula S, Wu M, Kang H, Girgenti MJ, Picciotto MR, DiLeone RJ, Taylor JR, Duman RS. Positive modulation of N-methyl-D-aspartate receptors in the mPFC reduces the spontaneous recovery of fear. Molecular Psychiatry 2022, 27: 2580-2589. PMID: 35418600, PMCID: PMC9135632, DOI: 10.1038/s41380-022-01498-7.Peer-Reviewed Original ResearchConceptsPosttraumatic stress disorderFear extinctionInfralimbic medial prefrontal cortexFear conditioning modelEnhanced fear extinctionFear-based behaviorsProlonged stress modelMedial prefrontal cortexSpontaneous recoveryIL-mPFCPTSD modelPTSD treatmentStress disorderPrefrontal cortexSPS modelN-methyl-D-aspartate receptor modulatorsBrain-derived neurotrophic factorN-methyl-D-aspartate receptorsBehavioral effectsIncreased attentionMPFCPreclinical findingsPyramidal neuronsNeurotrophic factorMale mice
2020
Hippocampal knockdown of α2 nicotinic or M1 muscarinic acetylcholine receptors in C57BL/6J male mice impairs cued fear conditioning
Mineur YS, Ernstsen C, Islam A, Maibom KL, Picciotto MR. Hippocampal knockdown of α2 nicotinic or M1 muscarinic acetylcholine receptors in C57BL/6J male mice impairs cued fear conditioning. Genes Brain & Behavior 2020, 19: e12677. PMID: 32447811, PMCID: PMC8018799, DOI: 10.1111/gbb.12677.Peer-Reviewed Original ResearchConceptsFear learningShort-term learningNumber of paradigmsCued fearLight/dark boxFear conditioningContextual memoryStress-related behaviorsStress-induced reactivityTerm learningBrain circuitsRobust effectM1 mAChRHippocampal acetylcholineM1 muscarinic ACh receptorsNovelty-suppressed feeding testLearningMemoryDark boxHippocampus of malesM1 muscarinic acetylcholine receptorHippocampal knockdownFearMuscarinic ACh receptorsGroups of mice
2006
Antidepressant-Like Effects of Ceftriaxone in Male C57BL/6J Mice
Mineur YS, Picciotto MR, Sanacora G. Antidepressant-Like Effects of Ceftriaxone in Male C57BL/6J Mice. Biological Psychiatry 2006, 61: 250-252. PMID: 16860779, DOI: 10.1016/j.biopsych.2006.04.037.Peer-Reviewed Original ResearchConceptsAntidepressant-like effectsMajor depressive disorderUptake of glutamateBeta-lactam antibiotic agentsNovelty-suppressed feeding testExcessive glutamatergic neurotransmissionDepressive-like behaviorAntidepressant-like activityMale C57BL/6J miceTail suspension testNovelty-suppressed feedingCeftriaxone treatmentC57BL/6J miceGlutamatergic neurotransmissionDepressive disorderAntidepressant compoundsSuspension testMouse modelThree monthsCeftriaxoneAntibiotic agentsRecent evidenceMiceSimilar effectsFeeding tests
2005
Impaired Synaptic Plasticity and Learning in Mice Lacking β-Adducin, an Actin-Regulating Protein
Rabenstein RL, Addy NA, Caldarone BJ, Asaka Y, Gruenbaum LM, Peters LL, Gilligan DM, Fitzsimonds RM, Picciotto MR. Impaired Synaptic Plasticity and Learning in Mice Lacking β-Adducin, an Actin-Regulating Protein. Journal Of Neuroscience 2005, 25: 2138-2145. PMID: 15728854, PMCID: PMC1352335, DOI: 10.1523/jneurosci.3530-04.2005.Peer-Reviewed Original ResearchMeSH KeywordsActinsAnimalsAvoidance LearningCalmodulin-Binding ProteinsConditioning, ClassicalCytoskeletonDendritesElectroshockFearFemaleFreezing Reaction, CatalepticGyrus CinguliHippocampusLearning DisabilitiesMaleMaze LearningMemory DisordersMiceMice, Inbred C57BLMice, KnockoutMice, Neurologic MutantsNerve Tissue ProteinsNeuronal PlasticityNucleus AccumbensRNA, MessengerConceptsBeta-adducinActin regulating proteinsCAMP-dependent mannerSynaptic plasticityActin cytoskeletonΒ-adducinCytoskeletal organizationPlasma membraneAdducinCellular mechanismsActivity-dependent synaptic plasticitySitu hybridizationPostsynaptic densityProteinPlasticitySpine morphologyImportant roleCytoskeletonSynaptic stimulationFamilyImpaired synaptic plasticityLong-term potentiationMiceMRNAHybridization
2004
Role of neuronal nicotinic receptors in the effects of nicotine and ethanol on contextual fear conditioning
Wehner JM, Keller JJ, Keller AB, Picciotto MR, Paylor R, Booker TK, Beaudet A, Heinemann SF, Balogh SA. Role of neuronal nicotinic receptors in the effects of nicotine and ethanol on contextual fear conditioning. Neuroscience 2004, 129: 11-24. PMID: 15489024, DOI: 10.1016/j.neuroscience.2004.07.016.Peer-Reviewed Original ResearchConceptsContextual learningForms of learningEffects of nicotineFear conditioningCued fear conditioningContextual fear conditioningCognitive enhancing effectsBeta2 null mutant miceNicotine effectsBeta4-containing receptorsShock stimuliEffects of ethanolBeta2-containing nAChRsLearningNull mutant miceTrainingConditioningBrain nicotinic acetylcholine receptorsMutant miceNicotineNeuronal nicotinic receptorsHomozygous null mutant miceWild-type littermatesMemoryNicotinic acetylcholine receptors
2001
Effects of nicotine pretreatment on dopaminergic and behavioral responses to conditioned fear stress in rats: dissociation of biochemical and behavioral effects
George T, Picciotto M, Verrico C, Roth R. Effects of nicotine pretreatment on dopaminergic and behavioral responses to conditioned fear stress in rats: dissociation of biochemical and behavioral effects. Biological Psychiatry 2001, 49: 300-306. PMID: 11230881, DOI: 10.1016/s0006-3223(00)00928-8.Peer-Reviewed Original ResearchConceptsConditioned fear stressNicotine pretreatmentMedial prefrontal cortexFear stressDopamine metabolismNucleus accumbensPrefrontal cortexAcute footshock stressImmobility responseBehavioral responsesCortical dopaminergicDopamine utilizationCortical dopamineNicotine exposureFootshock stressNicotine dependenceAnxiolytic activityConditioned fear paradigmNicotine differsDay 21Psychological stressorsBehavioral effectsDopaminergicClinical contextPreferential activation
2000
Fear conditioning and latent inhibition in mice lacking the high affinity subclass of nicotinic acetylcholine receptors in the brain
Caldarone B, Duman C, Picciotto M. Fear conditioning and latent inhibition in mice lacking the high affinity subclass of nicotinic acetylcholine receptors in the brain. Neuropharmacology 2000, 39: 2779-2784. PMID: 11044747, DOI: 10.1016/s0028-3908(00)00137-4.Peer-Reviewed Original ResearchConceptsLatent inhibitionFear conditioningLatent inhibition taskTests of cognitionSpecific nicotinic receptor subtypesSpatial learning deficitsCognitive tasksInhibition taskHigh affinity subclassCognitive effectsBehavioral freezingLearning deficitsConditioningFearNicotinic receptor subtypesTaskOverall levelCognitionToneNicotineDeficitsSimilar levelsNicotinic receptorsNicotinic acetylcholine receptorsPrevious studies