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• W4382987485 abstract "Abstract Background Schizophrenia is characterized by complex psychiatric symptoms and unclear pathological mechanisms. Most previous studies have focused on the morphological changes that occur over the development of the disease; however, the corresponding functional trajectories remain unclear. In the present study, we aimed to explore the progressive trajectories of patterns of dysfunction after diagnosis. Methods Eighty-six patients with schizophrenia and 120 healthy controls were recruited as the discovery dataset. Based on multiple functional indicators of resting-state brain functional magnetic resonance imaging, we conducted a duration-sliding dynamic analysis framework to investigate trajectories in association with disease progression. Neuroimaging findings were associated with clinical symptoms and gene expression data from the Allen Human Brain Atlas database. A replication cohort of patients with schizophrenia from the University of California, Los Angeles, was used as the replication dataset for the validation analysis. Results Five stage-specific phenotypes were identified. A symptom trajectory was characterized by positive-dominated, negative ascendant, negative-dominated, positive ascendant, and negative surpassed stages. Dysfunctional trajectories from primary and subcortical regions to higher-order cortices were recognized; these are associated with abnormal external sensory gating and a disrupted internal excitation–inhibition equilibrium. From stage 1 to stage 5, the importance of neuroimaging features associated with behaviors gradually shifted from primary to higher-order cortices and subcortical regions. Genetic enrichment analysis identified that neurodevelopmental and neurodegenerative factors may be relevant as schizophrenia progresses and highlighted multiple synaptic systems. Conclusions Our convergent results indicate that progressive symptoms and functional neuroimaging phenotypes are associated with genetic factors in schizophrenia. Furthermore, the identification of functional trajectories complements previous findings of structural abnormalities and provides potential targets for drug and non-drug interventions in different stages of schizophrenia." @default.
• W4382987485 created "2023-07-04" @default.
• W4382987485 creator A5018644308 @default.
• W4382987485 creator A5019661732 @default.
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• W4382987485 creator A5059294831 @default.
• W4382987485 date "2023-07-03" @default.
• W4382987485 modified "2023-10-18" @default.
• W4382987485 title "Progressive trajectories of schizophrenia across symptoms, genes, and the brain" @default.
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• W4382987485 doi "https://doi.org/10.1186/s12916-023-02935-2" @default.
• W4382987485 hasPubMedId "https://pubmed.ncbi.nlm.nih.gov/37400838" @default.
• W4382987485 hasPublicationYear "2023" @default.

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