We genotyped 13 single nucleotide polymorphisms (SNPs) within Neuregulin 3 (NRG3) to investigate the association between NRG3 and schizophrenia in 488 patients and 506 controls in Northwest China. No association was detected either in SNPs or in haplotypes. Our study provided no evidence that NRG3 confers a risk of schizophrenia susceptibility in the Han Chinese population.
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