Compensatory thickening of cortical thickness in early stage of schizophrenia.

Cereb Cortex

Department of Psychiatry, National Clinical Research Center for Mental Disorders, and National Center for Mental Disorders, The Second Xiangya Hospital of Central South University, Furong District No. 139 Renmin Road, Changsha 410011, Hunan, China.

Published: June 2024

AI Article Synopsis

  • Researchers investigated brain structure differences in schizophrenia, focusing on cortical abnormalities, metabolite levels, and inflammation in patients and healthy controls.
  • The study involved 51 first-episode schizophrenia patients, 51 at ultra-high risk for psychosis, and 51 healthy individuals, examining gray matter volume and cortical thickness.
  • Findings suggested that increased cortical thickness in those at risk for psychosis might relate to inflammation, potentially helping initially but becoming harmful as the illness progresses.

Article Abstract

Brain structural abnormality has been observed in the prodromal and early stages of schizophrenia, but the mechanism behind it is not clear. In this study, to explore the association between cortical abnormalities, metabolite levels, inflammation levels and clinical symptoms of schizophrenia, 51 drug-naive first-episode schizophrenia (FES) patients, 51 ultra-high risk for psychosis (UHR), and 51 healthy controls (HC) were recruited. We estimated gray matter volume (GMV), cortical thickness (CT), concentrations of different metabolites, and inflammatory marks among four groups (UHR converted to psychosis [UHR-C], UHR unconverted to psychosis [UHR-NC], FES, HC). UHR-C group had more CT in the right lateral occipital cortex and the right medial orbito-frontal cortex (rMOF), while a significant reduction in CT of the right fusiform cortex was observed in FES group. UHR-C group had significantly higher concentration of IL-6, while IL-17 could significantly predict CT of the right fusiform and IL-4 and IL-17 were significant predictors of CT in the rMOF. To conclude, it is reasonable to speculate that the increased CT in UHR-C group is related to the inflammatory response, and may participate in some compensatory mechanism, but might become exhaustive with the progress of the disease due to potential neurotoxic effects.

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http://dx.doi.org/10.1093/cercor/bhae255DOI Listing

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Compensatory thickening of cortical thickness in early stage of schizophrenia.

Cereb Cortex

June 2024

Department of Psychiatry, National Clinical Research Center for Mental Disorders, and National Center for Mental Disorders, The Second Xiangya Hospital of Central South University, Furong District No. 139 Renmin Road, Changsha 410011, Hunan, China.

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  • Findings suggested that increased cortical thickness in those at risk for psychosis might relate to inflammation, potentially helping initially but becoming harmful as the illness progresses.
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