Journal
BIOLOGICAL PSYCHIATRY
Volume 68, Issue 7, Pages 671-673Publisher
ELSEVIER SCIENCE INC
DOI: 10.1016/j.biopsych.2010.06.014
Keywords
Common variants; Han Chinese; MHC region; NRGN; schizophrenia; TCF4
Categories
Funding
- 863 programs of China [2006AA02A407, 2009AA022701]
- Shanghai Changning Health Bureau [2008406002]
- Shanghai Municipal Health Bureau [2008095]
- Shanghai Leading Academic Discipline Project [B205]
- [2006CB910601]
- [2007CB947300]
- [07DZ22917]
- [2010CB529600]
- [09DJ1400601]
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Background: Schizophrenia is a complex major psychiatric disorder affecting similar to 1% of the world population. Recently, in a genome-wide association study and a follow-up in Caucasians, Stefansson et al. examined 7662 schizophrenic cases and 29053 normal control subjects and reported seven common single nucleotide polymorphisms (SNPs) that were significantly (>10(-8)) associated with schizophrenia. Methods: To investigate whether these risk SNPs were significantly associated in Han Chinese, we analyzed the seven SNPs in 2496 schizophrenia patients and 5184 normal control subjects. Because only three of the seven SNPs were polymorphic in Han Chinese, we genotyped two additional common SNPs from the same risk regions. Results: Three SNPs, rs6932590 (p = .00096), rs3131296 (p = 1.29 x 10(-6)), and rs3130375 (p = 1.76 x 10(-5)), mapping to the major histocompatibility complex region and one SNP rs2958182 (p = 3.64 x 10(-6)) located in the TCF4 gene were significant in our sample set. A meta-analysis using published genome-wide association study results also supported our findings. Conclusions: Our results confirm that common risk factors in the major histocompatibility complex region and TCF4 gene are associated with schizophrenia in Han Chinese, but our results fail to show an association with SNP rs12807809 in the NRGN gene.
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