A case-control association study between the GRID1 gene and schizophrenia in the Chinese Northern Han population.

The glutamatergic dysfunction hypothesis of schizophrenia implicates the genes involved in glutamatergic transmission as strong candidates for schizophrenia-susceptibility. Recent linkage and association studies have identified the glutamate receptor, ionotropic, delta 1 gene GRID1 on 10q22 as a strong candidate for schizophrenia. In this current association study, we genotyped five genetic variants within the GRID1 gene in 567 Chinese Han subjects recruited from Northeast of China (260 schizophrenics and 307 normal controls). Four SNPs, rs1902666 (P=0.024), rs2814351 (P=0.027), rs11591408 (P=0.0000107) and rs999383 (P=0.000093) were found to be significantly associated with schizophrenia. Haplotype analysis also revealed significance with global P values of 0.0081 and 0.00076 for SNPs 1-2 and SNPs 3-4-5 haplotypes, respectively. Our results strongly support previously reported association studies, implicating GRID1 in the etiology of schizophrenia.

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Sheng-Zhen Guo, Ke Huang, Yong-Yong Shi, Wei Tang, Jian Zhou, Guo-Yin Feng, Shao-Min Zhu, Hui-Jun Liu, Yi Chen, Xiao-Dong Sun, Lin He. A case-control association study between the GRID1 gene and schizophrenia in the Chinese Northern Han population. Schizophrenia research. 2007 Jul;93(1-3):385-90

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PMID: 17490860

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