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Mol Psychiatry. 2006 Aug;11(8):748-51. Epub 2006 May 9.

MPZL1/PZR, a novel candidate predisposing schizophrenia in Han Chinese.

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Bio-X Life Science Research Center, Shanghai Jiao Tong University, Shanghai, PR China.


The MPZL1/PZR gene has been mapped to 1q23.3, located in close proximity to a recognized schizophrenia susceptibility locus. Recently, the MPZL1/PZR gene has been found to be significantly upregulated in schizophrenia brain tissue and to play an important role in cell signaling, thus indicating that MPZL1/PZR could be a potential schizophrenia marker. To test this hypothesis, we selected three single nucleotide polymorphisms (SNPs) for genotyping in 523 Han Chinese trios. We found that two individual SNPs were significant at the Bonferroni's corrected significance level P<0.017: rs3767444 (chi2=6.299, P=0.0121) and rs2051656 (chi2=9.856, P=0.0017). Haplotype transmission/disequilibrium tests revealed a significant association with the disease (global P-value=1.064 x 10(-6)), but no specific transmission distortions. Thus, we propose that the MPZL1/PZR gene may be important in the predisposition to schizophrenia among Han Chinese.

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