2024
The association between aberrant salience and psychotic experiences in general population twins, and genetic vulnerability as a modifier
Drukker M, Todor T, Bongaarts J, Broggi E, Kelkar M, Wigglesworth T, Verhiel K, van Leeuwen K, Koster M, Derom C, Thiery E, De Hert M, Menne-Lothmann C, Decoster J, Collip D, van Winkel R, Jacobs N, Guloksuz S, Rutten B, van Os J. The association between aberrant salience and psychotic experiences in general population twins, and genetic vulnerability as a modifier. BMC Psychiatry 2024, 24: 736. PMID: 39462331, PMCID: PMC11515186, DOI: 10.1186/s12888-024-06176-2.Peer-Reviewed Original ResearchConceptsAberrant salienceGeneral population twinsPsychotic experiencesGenetic vulnerabilityGeneral population samplePsychotic symptomsAssociated with psychotic experiencesUltra-high-risk patientsPositive symptom scalesSubclinical psychotic symptomsWhite noise taskEpisode psychosis patientsAssociated with psychosisPopulation samplePsychosis spectrumPsychosis patientsSymptom ScaleNoise taskSaliencePsychosisSevere endVulnerabilitySymptomsTaskAssociation
2023
An international research agenda for clozapine-resistant schizophrenia
Luykx J, Gonzalez-Diaz J, Guu T, van der Horst M, van Dellen E, Boks M, Guloksuz S, DeLisi L, Sommer I, Cummins R, Shiers D, Lee J, Every-Palmer S, Mhalla A, Chadly Z, Chan S, Cotes R, Takahashi S, Benros M, Wagner E, Correll C, Hasan A, Siskind D, Endres D, MacCabe J, Tiihonen J. An international research agenda for clozapine-resistant schizophrenia. The Lancet Psychiatry 2023, 10: 644-652. PMID: 37329895, DOI: 10.1016/s2215-0366(23)00109-8.Peer-Reviewed Original ResearchConceptsClozapine-resistant schizophreniaQuality of lifeTreatment optionsTreatment-resistant symptomsThird of patientsNew treatment optionsHealth care providersMiddle-income countriesFunctional outcomeInterventional studyUnmet needEpidemiological researchTranslational approachDiagnostic testsPatientsSchizophreniaHealth policyEarly detectionOptionsSymptomsDiagnosisTrialsAssociations between genetic liabilities to smoking behavior and schizophrenia symptoms in patients with a psychotic disorder, their siblings and healthy controls
Lin B, Vermeulen J, Bolhuis K, Chang X, Schirmbeck F, van Eijk K, investigators G, Alizadeh B, Bartels-Velthuis A, van Amelsvoort T, Bruggeman R, Cahn W, de Haan L, Rutten B, Guloksuz S, Luykx J, van Os J, Simons C, van Winkel R, Guloksuz S, Blankers M, van den Brink W, de Haan L, Luykx J. Associations between genetic liabilities to smoking behavior and schizophrenia symptoms in patients with a psychotic disorder, their siblings and healthy controls. Psychiatry Research 2023, 323: 115143. PMID: 36948018, DOI: 10.1016/j.psychres.2023.115143.Peer-Reviewed Original ResearchConceptsHealthy controlsSmoking behaviorPsychotic symptomsSchizophrenia symptomsUnaffected siblingsProspective cohort studySix-year followMental health symptomsSymptom dimensionsCohort studyRisk factorsDepressive symptomsPsychotic disordersPatientsPositive symptomsHealth symptomsNegative symptomsSimilar effect sizesSymptomsLinear mixed-effects modelsMixed-effects modelsGenetic riskMean numberPolygenic scoresOverall sample
2022
Bidirectional relationships between cannabis use, anxiety and depressive symptoms in the mediation of the association with psychotic experience: further support for an affective pathway to psychosis
Radhakrishnan R, Pries LK, Erzin G, Have M, de Graaf R, van Dorsselaer S, Gunther N, Bak M, Rutten BPF, van Os J, Guloksuz S. Bidirectional relationships between cannabis use, anxiety and depressive symptoms in the mediation of the association with psychotic experience: further support for an affective pathway to psychosis. Psychological Medicine 2022, 53: 5551-5557. PMID: 36093677, PMCID: PMC10482707, DOI: 10.1017/s0033291722002756.Peer-Reviewed Original ResearchConceptsAnxiety/depressive symptomsDepressive symptomsCannabis usePE incidencePsychotic experiencesFirst longitudinal cohort studyNetherlands Mental Health SurveyLongitudinal cohort studyMental Health SurveyRole of cannabisBidirectional relationshipCohort studyHealth SurveyIncidence studyAffective symptomsSymptomsCannabisEducation statusLongitudinal studyPsychosisIncidenceAnxietyTemporal relationshipMediation analysisFurther support
2021
Longitudinal associations between alcohol use, smoking, genetic risk scoring and symptoms of depression in the general population: a prospective 6-year cohort study
de Boer N, Vermeulen J, Lin B, van Os J, Have M, de Graaf R, van Dorsselaer S, Bak M, Rutten B, Batalla A, Guloksuz S, Luykx J. Longitudinal associations between alcohol use, smoking, genetic risk scoring and symptoms of depression in the general population: a prospective 6-year cohort study. Psychological Medicine 2021, 53: 1409-1417. PMID: 35023464, PMCID: PMC10009403, DOI: 10.1017/s0033291721002968.Peer-Reviewed Original ResearchConceptsNumber of cigarettesDepressive symptomsAlcohol useLongitudinal associationsGeneral populationSmoking behaviorAlcohol consumptionGenetic risk scoringSymptoms of depressionGenetic risk score analysisGenetic risk scoreAlcohol cessationCohort studySmoking statusGlobal burdenMood disordersRisk scoreSmokingModerate drinkingRisk score analysisLess symptomsLinear mixed effects modelsSymptomsScore analysisRisk scoringThe trough of disillusionment: A critique of the “transition” paradigm
Gülöksüz S. The trough of disillusionment: A critique of the “transition” paradigm. European Psychiatry 2021, 64: s17-s17. PMCID: PMC9471660, DOI: 10.1192/j.eurpsy.2021.68.Peer-Reviewed Original Research
2018
Need for evidence-based early intervention programmes: a public health perspective
Guloksuz S, van Os J. Need for evidence-based early intervention programmes: a public health perspective. BMJ Mental Health 2018, 21: 128. PMID: 30282627, PMCID: PMC10270415, DOI: 10.1136/ebmental-2018-300030.Peer-Reviewed Original ResearchConceptsClinical high riskUltra-high riskPsychotic symptomsEarly intervention programsSpecific effective treatmentBroader prevention strategiesIntervention programsPositive psychotic symptomsPublic health impactPublic health perspectivePrognostic accuracyHelp-seeking populationEffective treatmentHigh riskPsychosis benefitPrevention strategiesRisk enrichmentPredictive valueTherapeutic interventionsMeta-analytical evidenceSymptomsHealth perspectiveEarly psychopathologyHealth impactsAssessment tool
2016
Exposure to environmental factors increases connectivity between symptom domains in the psychopathology network
Guloksuz S, van Nierop M, Bak M, de Graaf R, ten Have M, van Dorsselaer S, Gunther N, Lieb R, van Winkel R, Wittchen H, van Os J. Exposure to environmental factors increases connectivity between symptom domains in the psychopathology network. BMC Psychiatry 2016, 16: 223. PMID: 27391407, PMCID: PMC4939022, DOI: 10.1186/s12888-016-0935-1.Peer-Reviewed Original ResearchConceptsMental disordersSymptom dimensionsNetherlands Mental Health SurveyNEMESIS-1Symptom connectivityContinuous symptom dimensionsEnvironmental exposuresSelf-report Symptom Checklist-90Mental Health SurveySymptom Checklist-90Health SurveyPsychotic symptomsIncidence studyPopulation cohortSelf-reported psychopathologyConclusionsOur findingsDiagnostic categoriesSymptom domainsIndependent population cohortsRisk loadPsychopathology StudyDisordersRegression analysisCohortSymptoms
2013
Depressive Symptoms in Crohn's Disease: Relationship with Immune Activation and Tryptophan Availability
Guloksuz S, Wichers M, Kenis G, Russel M, Wauters A, Verkerk R, Arts B, van Os J. Depressive Symptoms in Crohn's Disease: Relationship with Immune Activation and Tryptophan Availability. PLOS ONE 2013, 8: e60435. PMID: 23544139, PMCID: PMC3609785, DOI: 10.1371/journal.pone.0060435.Peer-Reviewed Original ResearchConceptsCrohn's diseaseDisease activityImmune activationDepressive symptomsDepression scoresTrp availabilityΑ treatmentTryptophan availabilityNegative APPsAnti-tumor necrosis factorPast depressive disorderTNF-α treatmentSymptoms of depressionQuality of lifeCD patientsIBDQ scoreImmune markersComorbid depressionDepressive disorderNecrosis factorInflammatory reactionPatientsSymptomsDiseaseTreatment
2012
Plasma concentrations of soluble cytokine receptors in euthymic bipolar patients with and without subsyndromal symptoms
Cetin T, Guloksuz S, Cetin E, Gazioglu S, Deniz G, Oral E, van Os J. Plasma concentrations of soluble cytokine receptors in euthymic bipolar patients with and without subsyndromal symptoms. BMC Psychiatry 2012, 12: 158. PMID: 23013558, PMCID: PMC3532147, DOI: 10.1186/1471-244x-12-158.Peer-Reviewed Original Research