Dopaminergic-related Anatomical Pattern of Dorsal Striatum in Schizophrenia
Xie, C.; Xiang, S.; Zheng, Y.; Shen, C.; Peng, X.; Li, Y.; Cheng, W.; Chang, X.; Cheng, J.; Cui, L.-B.; Huang, C.-C.; Kuang, N.; Li, C.; Lin, C.-P.; Luo, C.; Tang, Y.; Wang, J.; Wu, X.; Yao, D.; Zhang, J.; Zhang, T.; Heinz, A.; Robbins, T. W.; Howes, O. D.; Schumann, G.; Jia, T.; Feng, J.
Show abstract
Striatal dopaminergic overactivity was hypothesized as the core pathophysiology of schizophrenia. However, morphological alterations of striatum in schizophrenia remains exclusive, largely because brain regional heterogeneity limited traditional group-mean based approach. Leveraging third-party brain maps of neurotransmitter and cognition behaviours, we developed a pattern-based representation feature score (ReFS) to investigate structural spatial pattern variation in schizophrenia. Structural ReFS of subcortical regions, particularly the striatum, were linked to schizophrenia diagnosis, symptom severity, and genetic susceptibility. Dopaminergic-ReFS of striatum was increased in schizophrenia patients and reliably reproduced across 13 datasets. The pattern-based ReFS effectively captured the shared genetic pathways underlying both schizophrenia and striatum. The results provide convergent, multimodal suggest the central role of striatal spatial patterns in schizophrenia psychopathologies and and open new avenues to develop individualized treatments for psychotic disorders.
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