Whole genome sequencing study of identical twins discordant for psychosis
Ormond C, Ryan N, Hedman A, Cannon T, Sullivan P, Gill M, Hultman C, Heron E, Johansson V, Corvin A. Whole genome sequencing study of identical twins discordant for psychosis. Translational Psychiatry 2024, 14: 313. PMID: 39080272, PMCID: PMC11289105, DOI: 10.1038/s41398-024-02982-0.Peer-Reviewed Original ResearchConceptsCopy number variantsSequencing studiesGenic copy number variantsWhole-genome sequencing studiesRare genic copy number variantsDeleterious missense variantsWhole-genome sequencingExome sequencing studiesGenome sequencing studiesMZ twinsPost-zygotic eventsPairs of MZ twinsGenome sequenceIdentical genomesDNA variantsMissense variantsOverlapped genesPsychotic phenotypesPsychotic disordersBipolar disorderRare variantsMZ twin studiesPhenotypic discordanceTwin studiesTwin pairsThe Complex Latent Structure of Attenuated Psychotic Symptoms: Hierarchical and Bifactor Models of SIPS Symptoms Replicated in Two Large Samples at Clinical High Risk for Psychosis
Cowan H, Williams T, Mittal V, Addington J, Bearden C, Cadenhead K, Cannon T, Cornblatt B, Keshevan M, Perkins D, Mathalon D, Stone W, Woods S, Walker E. The Complex Latent Structure of Attenuated Psychotic Symptoms: Hierarchical and Bifactor Models of SIPS Symptoms Replicated in Two Large Samples at Clinical High Risk for Psychosis. Schizophrenia Bulletin 2024, 50: 1295-1309. PMID: 38728417, PMCID: PMC11548925, DOI: 10.1093/schbul/sbae042.Peer-Reviewed Original ResearchAttenuated psychotic symptomsClinical high riskPsychotic symptomsGeneral factorBifactor modelPsychosis riskPsychotic disordersPresence of attenuated psychotic symptomsFunctional impairmentConversion to psychotic disordersAssessment of psychosis riskPositive symptom factorNon-psychotic symptomsPsychosis-Risk SyndromesAssociated with depressive symptomsCHR participantsPositive symptomsCHR statusCHR samplesSymptom varianceTransdiagnostic assessmentInternalizing symptomsSymptom factorsPreregistered replicationDepressive symptomsLongitudinal Trajectories of Premorbid Social and Academic Adjustment in Youth at Clinical High Risk for Psychosis: Implications for Conversion
Cowan H, Mittal V, Addington J, Bearden C, Cadenhead K, Cornblatt B, Keshavan M, Mathalon D, Perkins D, Stone W, Tsuang M, Woods S, Cannon T, Walker E. Longitudinal Trajectories of Premorbid Social and Academic Adjustment in Youth at Clinical High Risk for Psychosis: Implications for Conversion. Schizophrenia Bulletin 2024, sbae050. PMID: 38706103, DOI: 10.1093/schbul/sbae050.Peer-Reviewed Original ResearchConversion to psychosisClinical high riskAcademic adjustmentPremorbid periodPremorbid adjustmentNegative symptomsNon-convertersSocial adjustmentLongitudinal trajectoriesChildhood trauma impactsPremorbid adjustment trajectoriesPremorbid social functioningPoor academic adjustmentBetween-person levelPsychotic disorder diagnosisNon-affective psychosisPoor social adjustmentGrowth curve modelsPsychotic disordersPremorbid functioningChildhood traumaDisorder diagnosisCognitive effectsPsychosisAdjustment problemsThe Hierarchical Taxonomy of Psychopathology in Clinical High Risk for Psychosis: Validation and Extension
Williams T, Williams A, Cowan H, Walker E, Cannon T, Bearden C, Keshavan M, Cornblatt B, Addington J, Woods S, Perkins D, Mathalon D, Cadenhead K, Stone W, Mittal V. The Hierarchical Taxonomy of Psychopathology in Clinical High Risk for Psychosis: Validation and Extension. Journal Of Psychopathology And Clinical Science 2024, 133: 235-244. PMID: 38546628, PMCID: PMC11273326, DOI: 10.1037/abn0000893.Peer-Reviewed Original ResearchConceptsHierarchical Taxonomy of PsychopathologyTaxonomy of PsychopathologyClinical high riskHiTOP modelCHR-PChildhood traumaDimensional models of psychopathologyHierarchical taxonomyModels of psychopathologyAttenuated psychotic symptomsBipolar spectrum disordersObsessive-compulsive disorderCHR-P individualsConfirmatory factor analysisPsychotic symptomsPsychotic disordersComorbid diagnosesHiTOPSpectrum disorderPsychosisPsychopathologySocial functioningSelf-reportSpecific hypothesesTest specific hypothesesPlasma complement and coagulation proteins as prognostic factors of negative symptoms: An analysis of the NAPLS 2 and 3 studies
Byrne J, Healy C, Föcking M, Heurich M, Susai S, Mongan D, Wynne K, Kodosaki E, Woods S, Cornblatt B, Stone W, Mathalon D, Bearden C, Cadenhead K, Addington J, Walker E, Cannon T, Cannon M, Jeffries C, Perkins D, Cotter D. Plasma complement and coagulation proteins as prognostic factors of negative symptoms: An analysis of the NAPLS 2 and 3 studies. Brain Behavior And Immunity 2024, 119: 188-196. PMID: 38555993, DOI: 10.1016/j.bbi.2024.03.049.Peer-Reviewed Original ResearchNegative symptomsDepressive symptomsScale of Psychosis-risk SymptomsMeasures of negative symptomsNorth American Prodrome Longitudinal Study 2Psychosis-risk symptomsClinical high riskPrognostic factorsLongitudinal Study 2Positive symptomsNAPLS 2Psychotic disordersAntipsychotic usePsychotic experiencesCannabis useSuicidal ideationAntidepressant useStudy 2Regulation groupQuality of life of individualsGroup factorsCurrent treatment optionsDemographic prognostic factorsPsychosisCoagulation proteinsDifferential expression of haptoglobin in individuals at clinical high risk of psychosis and its association with global functioning and clinical symptoms
Healy C, Byrne J, Raj Suasi S, Föcking M, Mongan D, Kodosaki E, Heurich M, Cagney G, Wynne K, Bearden C, Woods S, Cornblatt B, Mathalon D, Stone W, Cannon T, Addington J, Cadenhead K, Perkins D, Jeffries C, Cotter D. Differential expression of haptoglobin in individuals at clinical high risk of psychosis and its association with global functioning and clinical symptoms. Brain Behavior And Immunity 2024, 117: 175-180. PMID: 38219978, DOI: 10.1016/j.bbi.2023.12.018.Peer-Reviewed Original ResearchGlobal Assessment of Functioning ScaleNorth American Prodrome Longitudinal StudyClinical high riskPoor functionScale of Psychosis-risk SymptomsPsychosis-risk symptomsAssociated with poorer functioningFirst-episode psychosisTransition to psychosisGreater symptom severityFollow-upIndividuals at-riskClinical symptomsPsychotic disordersHigh riskSymptom severityPsychosocial functioningGlobal functioningPsychosisSubscale scoresFDR correctionAcute phase inflammatory responseLongitudinal studyGlobal assessmentFunctional scales