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Published on: June 6, 2025
No association between the ionotropic glutamate receptor kainate 3 gene ser310ala polymorphism and schizophrenia
I-Ching Lai1, Ying-Jay Liou, Jen-Yeu Chen
1Department of Psychiatry, Yuli Veterans Hospital, 91 Shin-Shin Street, Yuli, Hualien 981, Taiwan.
Abstract:
The etiology of schizophrenia has been suggested to be associated with the dysfunction of the glutamatergic system. A positive association between the ionotropic glutamate receptor kainate 3 gene (GRIK3) T928G polymorphism and schizophrenia has been reported, which suggests that people bearing G allele are at a higher risk for schizophrenia. Therefore, we attempted to replicate this study in Chinese with larger sample size. One hundred and sixty schizophrenic patients and 160 healthy controls participated in the current study. Genotype and allele distributions of GRIK3 T928G polymorphism in schizophrenics were similar to those of controls (p = 0.74 and p = 0.59, respectively). Our study indicated that there was no association between this polymorphism and schizophrenia, at least in Chinese.
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