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