Featured Publications
Ketamine induces immediate and delayed alterations of OCD-like behavior
Thompson SL, Welch AC, Iourinets J, Dulawa SC. Ketamine induces immediate and delayed alterations of OCD-like behavior. Psychopharmacology 2020, 237: 627-638. PMID: 31927606, DOI: 10.1007/s00213-019-05397-8.Peer-Reviewed Original ResearchConceptsOCD-like behaviorPrepulse inhibitionTherapeutic effectH postinjectionNoncompetitive NMDA receptor antagonistOCD patientsAnti-OCD effectsRationaleObsessive-compulsive disorderNMDA receptor antagonistRapid therapeutic effectPretreatment time pointsAcute ketaminePharmacological monotherapyKetamine pretreatmentKetamine treatmentPPI deficitsReuptake inhibitorsReceptor antagonistLow doseMin postinjectionPsychiatric disordersDelayed alterationsResponse rateHigh dosesKetamineDissecting the roles of β-arrestin2 and GSK-3 signaling in 5-HT1BR-mediated perseverative behavior and prepulse inhibition deficits in mice
Thompson SL, Dulawa SC. Dissecting the roles of β-arrestin2 and GSK-3 signaling in 5-HT1BR-mediated perseverative behavior and prepulse inhibition deficits in mice. PLOS ONE 2019, 14: e0211239. PMID: 30721232, PMCID: PMC6363181, DOI: 10.1371/journal.pone.0211239.Peer-Reviewed Original ResearchConceptsPPI deficitsObsessive-compulsive disorderGSK-3 inhibitionΒ-arrestin2Perseverative behaviorInhibitory G protein-coupled receptorsGSK-3 inhibitorsPerseverative locomotor patternsG protein-coupled pathwaySerotonin 1B receptorG protein-coupled receptorsAcute pretreatmentAutism spectrum disorderAcute treatmentKO miceReceptor agonistOpen fieldKnockout miceBehavioral testingBiased ligandsReduced locomotionMiceGSK-3βInhibition deficitsModest reduction
2015
Clinically effective OCD treatment prevents 5-HT1B receptor-induced repetitive behavior and striatal activation
Ho EV, Thompson SL, Katzka WR, Sharifi MF, Knowles JA, Dulawa SC. Clinically effective OCD treatment prevents 5-HT1B receptor-induced repetitive behavior and striatal activation. Psychopharmacology 2015, 233: 57-70. PMID: 26423528, DOI: 10.1007/s00213-015-4086-8.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsCorpus StriatumDesipramineExploratory BehaviorFemaleFluoxetineIndolesMiceMice, Inbred C57BLObsessive-Compulsive DisorderReceptor, Serotonin, 5-HT1BSerotonin 5-HT1 Receptor AgonistsSerotonin 5-HT1 Receptor AntagonistsSerotonin Receptor AgonistsStereotyped BehaviorTreatment OutcomeConceptsAcute treatmentFos expressionDorsal striatumOCD treatmentStriatal activationReceptor agonist treatmentEffective OCD treatmentOpen-field behaviorChronic fluoxetineAgonist treatmentObsessive-compulsive disorderChronic pretreatmentLocomotor stereotypySeparate miceNeuronal activationDrug treatmentTreatment preventsRepetitive behaviorsOCD pathophysiologyBrain regionsOrbitofrontal cortexBehavioral effectsRU24969Inhibition deficitsBrain activation