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Xiao Y, Zhang W, Lui S, et al. Similar and different gray matter deficits in schizophrenia patients and their unaffected biological relatives. Front Psychiatry. 2013;4:150doi: 10.3389/fpsyt.2013.00150.
Xiao, Y., Zhang, W., Lui, S., Yao, L., & Gong, Q. (2013). Similar and different gray matter deficits in schizophrenia patients and their unaffected biological relatives. Frontiers in psychiatry, 4150. https://doi.org/10.3389/fpsyt.2013.00150
Xiao, Yuan, et al. "Similar and different gray matter deficits in schizophrenia patients and their unaffected biological relatives." Frontiers in psychiatry vol. 4 (2013): 150. doi: https://doi.org/10.3389/fpsyt.2013.00150
Xiao Y, Zhang W, Lui S, Yao L, Gong Q. Similar and different gray matter deficits in schizophrenia patients and their unaffected biological relatives. Front Psychiatry. 2013 Nov 21;4:150. doi: 10.3389/fpsyt.2013.00150. PMID: 24319433; PMCID: PMC3836186.
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Front Psychiatry. 2013 Nov 21;4:150. doi: 10.3389/fpsyt.2013.00150.

Similar and different gray matter deficits in schizophrenia patients and their unaffected biological relatives.

Frontiers in psychiatry

Yuan Xiao, Wenjing Zhang, Su Lui, Li Yao, Qiyong Gong

Affiliations

  1. Department of Radiology, Huaxi MR Research Center (HMRRC), West China Hospital, Sichuan University , Chengdu , China.

PMID: 24319433 PMCID: PMC3836186 DOI: 10.3389/fpsyt.2013.00150

Abstract

Neuroimaging studies have revealed significant reductions in the gray matter (GM) of several brain regions in patients with schizophrenia, a neuropsychiatric disorder with high hereditability. However, it is unclear whether unaffected relatives have GM abnormalities in common with their affected relatives, which may relate to susceptibility to developing schizophrenia. To address this issue, we conducted two separate meta-analyses of voxel-based morphometry to investigate GM abnormalities in schizophrenia patients and their unaffected relatives. One meta-analysis compared a patient group with healthy controls, whereas the other meta-analysis compared the unaffected relatives with healthy controls. Eight studies comprising 495 patients with schizophrenia, 584 unaffected relatives of patients, and 596 healthy controls were systematically included in the present study. Compared to healthy controls, the patient group showed decreased GM in the right cuneus, the right superior frontal gyrus, the right insula and the left claustrum, and increased GM in the bilateral putamen, the right parahippocampal gyrus, the left precentral gyrus, the left inferior temporal gyri, and the right cerebellar tonsil. The comparison between unaffected relatives and healthy controls showed a GM reduction in the left claustrum, the bilateral parahippocampal gyri, the left fusiform gyrus, the right inferior temporal gyrus, and the bilateral medial prefrontal cortices, whereas increased GM was observed in the right hippocampus, the right fusiform gyrus, the right precentral gyrus, and the right precuneus. Thus, our meta-analyses show that the GM changes in schizophrenia patients and their unaffected relatives are largely different, although there is subtle overlap in some regions.

Keywords: MRI; gray matter; meta-analysis; schizophrenia; unaffected relatives; voxel-based morphometry

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