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Published on: July 9, 2016
Association study between the NMDA receptor 2B subunit gene (GRIN2B) and schizophrenia: a HuGE review and
1Bio-X Center, Shanghai Jiao Tong University, Shanghai 200030, China. dwlidwli@gmail.com
Abstract:
Schizophrenia is a severe mental illness to which hypofunction of the N-methyl-D-aspartate receptors has been linked. Association studies have implicated the N-methyl-D-aspartate receptor 2B subunit gene (GRIN2B) as a candidate for schizophrenia. Subsequent studies have attempted to replicate the association, but the results have been mixed and thus inconclusive. It is necessary to explain the inconsistency of these results and to clarify the contribution of the GRIN2B gene to schizophrenia. The current meta-analysis covers all published association studies up to January 2006 using systematic allelic and genotypic analyses involving five polymorphisms. The results show evidence of a statistically significant association for GRIN2B. The association seems weaker, but nonetheless interesting. The meta-analysis supports the involvement of the glutamate system of the brain in the pathogenesis of schizophrenia. This may be the first systematic meta-analysis study focusing on GRIN2B.
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