Six-year trajectories and associated factors of positive and negative symptoms in schizophrenia patients, siblings, and controls: Genetic Risk and Outcome of Psychosis (GROUP) study

Positive and negative symptoms are prominent but heterogeneous characteristics of schizophrenia spectrum disorder (SSD). Within the framework of the Genetic Risk and Outcome of Psychosis (GROUP) longitudinal cohort study, we aimed to distinguish and identify the genetic and non-genetics predictors o...

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Published in:Scientific reports Vol. 13; no. 1; pp. 9391 - 11
Main Authors: Habtewold, Tesfa Dejenie, Tiles-Sar, Natalia, Liemburg, Edith J., Sandhu, Amrit Kaur, Islam, Md Atiqul, Boezen, H. Marike, Bruggeman, Richard, Alizadeh, Behrooz Z.
Format: Journal Article
Language:English
Published: London Nature Publishing Group UK 09.06.2023
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Abstract Positive and negative symptoms are prominent but heterogeneous characteristics of schizophrenia spectrum disorder (SSD). Within the framework of the Genetic Risk and Outcome of Psychosis (GROUP) longitudinal cohort study, we aimed to distinguish and identify the genetic and non-genetics predictors of homogenous subgroups of the long-term course of positive and negative symptoms in SSD patients (n = 1119) and their unaffected siblings (n = 1059) in comparison to controls (n = 586). Data were collected at baseline, and after 3- and 6-year follow-ups. Group-based trajectory modeling was applied to identify latent subgroups using positive and negative symptoms or schizotypy scores. A multinomial random-effects logistic regression model was used to identify predictors of latent subgroups. Patients had decreasing, increasing, and relapsing symptoms course. Unaffected siblings and healthy controls had three to four subgroups characterized by stable, decreasing, or increasing schizotypy. PRS SCZ did not predict the latent subgroups. Baseline symptoms severity in patients, premorbid adjustment, depressive symptoms, and quality of life in siblings predicted long-term trajectories while were nonsignificant in controls. In conclusion, up to four homogenous latent subgroups of symptom course can be distinguished within patients, siblings, and controls, while non-genetic factors are the main factors associated with the latent subgroups.
AbstractList Positive and negative symptoms are prominent but heterogeneous characteristics of schizophrenia spectrum disorder (SSD). Within the framework of the Genetic Risk and Outcome of Psychosis (GROUP) longitudinal cohort study, we aimed to distinguish and identify the genetic and non-genetics predictors of homogenous subgroups of the long-term course of positive and negative symptoms in SSD patients (n = 1119) and their unaffected siblings (n = 1059) in comparison to controls (n = 586). Data were collected at baseline, and after 3- and 6-year follow-ups. Group-based trajectory modeling was applied to identify latent subgroups using positive and negative symptoms or schizotypy scores. A multinomial random-effects logistic regression model was used to identify predictors of latent subgroups. Patients had decreasing, increasing, and relapsing symptoms course. Unaffected siblings and healthy controls had three to four subgroups characterized by stable, decreasing, or increasing schizotypy. PRSSCZ did not predict the latent subgroups. Baseline symptoms severity in patients, premorbid adjustment, depressive symptoms, and quality of life in siblings predicted long-term trajectories while were nonsignificant in controls. In conclusion, up to four homogenous latent subgroups of symptom course can be distinguished within patients, siblings, and controls, while non-genetic factors are the main factors associated with the latent subgroups.Positive and negative symptoms are prominent but heterogeneous characteristics of schizophrenia spectrum disorder (SSD). Within the framework of the Genetic Risk and Outcome of Psychosis (GROUP) longitudinal cohort study, we aimed to distinguish and identify the genetic and non-genetics predictors of homogenous subgroups of the long-term course of positive and negative symptoms in SSD patients (n = 1119) and their unaffected siblings (n = 1059) in comparison to controls (n = 586). Data were collected at baseline, and after 3- and 6-year follow-ups. Group-based trajectory modeling was applied to identify latent subgroups using positive and negative symptoms or schizotypy scores. A multinomial random-effects logistic regression model was used to identify predictors of latent subgroups. Patients had decreasing, increasing, and relapsing symptoms course. Unaffected siblings and healthy controls had three to four subgroups characterized by stable, decreasing, or increasing schizotypy. PRSSCZ did not predict the latent subgroups. Baseline symptoms severity in patients, premorbid adjustment, depressive symptoms, and quality of life in siblings predicted long-term trajectories while were nonsignificant in controls. In conclusion, up to four homogenous latent subgroups of symptom course can be distinguished within patients, siblings, and controls, while non-genetic factors are the main factors associated with the latent subgroups.
Positive and negative symptoms are prominent but heterogeneous characteristics of schizophrenia spectrum disorder (SSD). Within the framework of the Genetic Risk and Outcome of Psychosis (GROUP) longitudinal cohort study, we aimed to distinguish and identify the genetic and non-genetics predictors of homogenous subgroups of the long-term course of positive and negative symptoms in SSD patients (n = 1119) and their unaffected siblings (n = 1059) in comparison to controls (n = 586). Data were collected at baseline, and after 3- and 6-year follow-ups. Group-based trajectory modeling was applied to identify latent subgroups using positive and negative symptoms or schizotypy scores. A multinomial random-effects logistic regression model was used to identify predictors of latent subgroups. Patients had decreasing, increasing, and relapsing symptoms course. Unaffected siblings and healthy controls had three to four subgroups characterized by stable, decreasing, or increasing schizotypy. PRSSCZ did not predict the latent subgroups. Baseline symptoms severity in patients, premorbid adjustment, depressive symptoms, and quality of life in siblings predicted long-term trajectories while were nonsignificant in controls. In conclusion, up to four homogenous latent subgroups of symptom course can be distinguished within patients, siblings, and controls, while non-genetic factors are the main factors associated with the latent subgroups.
Positive and negative symptoms are prominent but heterogeneous characteristics of schizophrenia spectrum disorder (SSD). Within the framework of the Genetic Risk and Outcome of Psychosis (GROUP) longitudinal cohort study, we aimed to distinguish and identify the genetic and non-genetics predictors of homogenous subgroups of the long-term course of positive and negative symptoms in SSD patients (n = 1119) and their unaffected siblings (n = 1059) in comparison to controls (n = 586). Data were collected at baseline, and after 3- and 6-year follow-ups. Group-based trajectory modeling was applied to identify latent subgroups using positive and negative symptoms or schizotypy scores. A multinomial random-effects logistic regression model was used to identify predictors of latent subgroups. Patients had decreasing, increasing, and relapsing symptoms course. Unaffected siblings and healthy controls had three to four subgroups characterized by stable, decreasing, or increasing schizotypy. PRS SCZ did not predict the latent subgroups. Baseline symptoms severity in patients, premorbid adjustment, depressive symptoms, and quality of life in siblings predicted long-term trajectories while were nonsignificant in controls. In conclusion, up to four homogenous latent subgroups of symptom course can be distinguished within patients, siblings, and controls, while non-genetic factors are the main factors associated with the latent subgroups.
Abstract Positive and negative symptoms are prominent but heterogeneous characteristics of schizophrenia spectrum disorder (SSD). Within the framework of the Genetic Risk and Outcome of Psychosis (GROUP) longitudinal cohort study, we aimed to distinguish and identify the genetic and non-genetics predictors of homogenous subgroups of the long-term course of positive and negative symptoms in SSD patients (n = 1119) and their unaffected siblings (n = 1059) in comparison to controls (n = 586). Data were collected at baseline, and after 3- and 6-year follow-ups. Group-based trajectory modeling was applied to identify latent subgroups using positive and negative symptoms or schizotypy scores. A multinomial random-effects logistic regression model was used to identify predictors of latent subgroups. Patients had decreasing, increasing, and relapsing symptoms course. Unaffected siblings and healthy controls had three to four subgroups characterized by stable, decreasing, or increasing schizotypy. PRSSCZ did not predict the latent subgroups. Baseline symptoms severity in patients, premorbid adjustment, depressive symptoms, and quality of life in siblings predicted long-term trajectories while were nonsignificant in controls. In conclusion, up to four homogenous latent subgroups of symptom course can be distinguished within patients, siblings, and controls, while non-genetic factors are the main factors associated with the latent subgroups.
Positive and negative symptoms are prominent but heterogeneous characteristics of schizophrenia spectrum disorder (SSD). Within the framework of the Genetic Risk and Outcome of Psychosis (GROUP) longitudinal cohort study, we aimed to distinguish and identify the genetic and non-genetics predictors of homogenous subgroups of the long-term course of positive and negative symptoms in SSD patients (n = 1119) and their unaffected siblings (n = 1059) in comparison to controls (n = 586). Data were collected at baseline, and after 3- and 6-year follow-ups. Group-based trajectory modeling was applied to identify latent subgroups using positive and negative symptoms or schizotypy scores. A multinomial random-effects logistic regression model was used to identify predictors of latent subgroups. Patients had decreasing, increasing, and relapsing symptoms course. Unaffected siblings and healthy controls had three to four subgroups characterized by stable, decreasing, or increasing schizotypy. PRS did not predict the latent subgroups. Baseline symptoms severity in patients, premorbid adjustment, depressive symptoms, and quality of life in siblings predicted long-term trajectories while were nonsignificant in controls. In conclusion, up to four homogenous latent subgroups of symptom course can be distinguished within patients, siblings, and controls, while non-genetic factors are the main factors associated with the latent subgroups.
ArticleNumber 9391
Author Habtewold, Tesfa Dejenie
Islam, Md Atiqul
Alizadeh, Behrooz Z.
Bruggeman, Richard
Sandhu, Amrit Kaur
Tiles-Sar, Natalia
Liemburg, Edith J.
Boezen, H. Marike
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MorrisAPLindgrenCMZegginiEA powerful approach to sub-phenotype analysis in population-based genetic association studiesGenet. Epidemiol.2010343353432003937910.1002/gepi.20486
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World Health OrganizationDevelopment of the world health organization WHOQOL-BREF quality of life assessmentPsychol. Med.19982855155810.1017/S0033291798006667
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FanousAHZhouBAggenSHGenome-wide association study of clinical dimensions of schizophrenia: Polygenic effect on disorganized symptomsAm. J. Psychiatry20121691309131723212062364671210.1176/appi.ajp.2012.12020218
XavierRMVorderstrasseAGenetic basis of positive and negative symptom domains in schizophreniaBiol. Res. Nurs.2017195595752869150710.1177/1099800417715907
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A Mucci (36235_CR7) 2021; 78
N Korver (36235_CR34) 2012; 21
S Galderisi (36235_CR38) 2018; 5
M Konings (36235_CR45) 2006; 114
V Trubetskoy (36235_CR54) 2022; 604
PD Harvey (36235_CR3) 2012; 11
AP Stiekema (36235_CR2) 2017; 193
TD Habtewold (36235_CR44) 2020
HJ Jones (36235_CR28) 2018; 8
KG Jonas (36235_CR25) 2019; 9
RCW Hall (36235_CR51) 1995; 36
RM Xavier (36235_CR29) 2018; 12
SR Kay (36235_CR35) 1987; 13
MG Vollema (36235_CR39) 2000; 26
MJ Cuesta (36235_CR13) 2008; 34
S Mistry (36235_CR26) 2018; 197
AP Morris (36235_CR17) 2010; 34
KH Nuechterlein (36235_CR43) 2004; 72
World Health Organization (36235_CR49) 1998; 28
NC Stefanis (36235_CR46) 2002; 32
KH Nuechterlein (36235_CR42) 2008; 165
S Galderisi (36235_CR6) 2018; 75
VM Goghari (36235_CR14) 2010; 34
American Psychiatric Association (36235_CR1) 2013
S Galderisi (36235_CR5) 2020; 19
D Addington (36235_CR47) 1990; 3
E Abdin (36235_CR56) 2017; 12
S Galderisi (36235_CR36) 2021; 64
AH Fanous (36235_CR19) 2012; 169
G Carrà (36235_CR15) 2019; 204
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RS Wallwork (36235_CR37) 2012; 137
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P Bucci (36235_CR8) 2020; 34
S Purcell (36235_CR52) 2007; 81
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BL Jones (36235_CR55) 2001; 29
D Hedeker (36235_CR57) 2003; 22
DK Solberg (36235_CR22) 2016; 16
RM Xavier (36235_CR24) 2017; 19
SF Austin (36235_CR16) 2015; 168
S Galderisi (36235_CR9) 2021; 64
TD Habtewold (36235_CR23) 2020; 10
L Chen (36235_CR12) 2013; 13
MG Vollema (36235_CR40) 2002; 54
HJ Jones (36235_CR20) 2016; 73
EM Derks (36235_CR30) 2012; 7
R Rasetti (36235_CR11) 2011; 21
SM Sengupta (36235_CR18) 2017; 184
S Galderisi (36235_CR4) 2014; 13
V Stauffer (36235_CR21) 2011; 130
NC Andreasen (36235_CR33) 1992; 49
HE Cannon-Spoor (36235_CR48) 1982; 8
T Bigdeli (36235_CR32) 2017; 49
JN Cooke Bailey (36235_CR31) 2016; 91
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Abstract Positive and negative symptoms are prominent but heterogeneous characteristics of schizophrenia spectrum disorder (SSD). Within the framework of the...
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Emotional behavior
Genetic factors
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Humanities and Social Sciences
Mental disorders
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Title Six-year trajectories and associated factors of positive and negative symptoms in schizophrenia patients, siblings, and controls: Genetic Risk and Outcome of Psychosis (GROUP) study
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