2023
The genetic epidemiology of obsessive-compulsive disorder: a systematic review and meta-analysis
Blanco-Vieira T, Radua J, Marcelino L, Bloch M, Mataix-Cols D, do Rosário M. The genetic epidemiology of obsessive-compulsive disorder: a systematic review and meta-analysis. Translational Psychiatry 2023, 13: 230. PMID: 37380645, PMCID: PMC10307810, DOI: 10.1038/s41398-023-02433-2.Peer-Reviewed Original ResearchConceptsFirst-degree relativesSystematic reviewPopulation-based studyGenetic epidemiologyRelatives of childrenOutcomes of interestFirst systematic reviewObsessive-compulsive disorderRecurrence rateFamilial recurrence rateMedical recordsOpenGrey databasesControl groupControl probandsFamilial disorderAdolescent probandsStudy designEpidemiologyTwin study designOCD diagnosisIndependent researchersDizygotic twinsTwin pairsDisordersOCD
2016
OCD is associated with an altered association between sensorimotor gating and cortical and subcortical 5-HT1b receptor binding
Pittenger C, Adams TG, Gallezot JD, Crowley MJ, Nabulsi N, Ropchan J, Gao H, Kichuk SA, Simpson R, Billingslea E, Hannestad J, Bloch M, Mayes L, Bhagwagar Z, Carson RE. OCD is associated with an altered association between sensorimotor gating and cortical and subcortical 5-HT1b receptor binding. Journal Of Affective Disorders 2016, 196: 87-96. PMID: 26919057, PMCID: PMC4808438, DOI: 10.1016/j.jad.2016.02.021.Peer-Reviewed Original ResearchConceptsPrepulse inhibitionObsessive-compulsive disorderReceptor availabilitySensorimotor gatingOCD patientsImpaired sensorimotor gatingOCD-like behaviorNon-depressed OCD patientsPositron emission tomographyBasal gangliaSerotonergic regulationHealthy controlsSerotonin systemPositive correlationWidespread positive correlationsDiagnostic groupsCortical regionsEmission tomographyOrbitofrontal cortexPatientsReceptor bindingOCD diagnosisSignificant correlationSignificant main effectImportant alterations