期刊
JOURNAL OF NEURAL TRANSMISSION
卷 115, 期 9, 页码 1355-1365出版社
SPRINGER WIEN
DOI: 10.1007/s00702-008-0085-9
关键词
association analysis; gender; Japanese; schizophrenia; SNPs; synapse-associated protein 97 (SAP97) gene
资金
- Research Development Corporation of Japan, the Ministry of Health, Labour and Welfare
- Ministry of Education, Culture, Sports, Science and Technology, Japan.
SAP97 gene encodes the synaptic scaffolding PDZ proteins that interact with the L-alpha-amino-3-hydroxyl-5-methylisoxazole-4-propionate (AMPA), kainate and N-methyl-D-aspartate (NMDA) type glutamate receptors. Because the disturbed glutamate neurotransmission has been implicated in the pathophysiology of schizophrenia, we investigated association between the SAP97 gene and schizophrenia. We genotyped 23 SNPs capturing the known common haplotype variations of the gene in a sample comprising 229 schizophrenic patients and 214 matched controls. In a single marker analysis, ten SNPs displayed nominally significant (P < 0.05) association with schizophrenia, although the P values of these SNPs were non-significant after the Bonferroni correction. We also compared haplotype estimates based on case-control genotypes and observed significant association of eight-two- and three- SNP haplotypes with schizophrenia following permutation-based correction. Further examination of the above series of SNPs or haplotypes in each gender revealed significant associations between some of these SNPs or haplotypes and the disorder only in males. The present findings suggest that the SAP97 gene may be a susceptibility factor in male schizophrenics and that the modification of the glutamate receptors-SAP97 signaling pathway could be involved in the disease pathophysiology.
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