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PLoS One. 2012;7(3):e33598. doi: 10.1371/journal.pone.0033598. Epub 2012 Mar 27.

Genome-wide association study of treatment refractory schizophrenia in Han Chinese.

Author information

1
Department of Psychiatry, Taipei Veterans General Hospital, Taipei, Taiwan.

Abstract

We report the first genome-wide association study of a joint analysis using 795 Han Chinese individuals with treatment-refractory schizophrenia (TRS) and 806 controls. Three loci showed suggestive significant association with TRS were identified. These loci include: rs10218843 (P = 3.04 × 10(-7)) and rs11265461 (P = 1.94 × 10(-7)) are adjacent to signaling lymphocytic activation molecule family member 1 (SLAMF1); rs4699030 (P = 1.94 × 10(-6)) and rs230529 (P = 1.74 × 10(-7)) are located in the gene nuclear factor of kappa light polypeptide gene enhancer in B-cells 1 (NFKB1); and rs13049286 (P = 3.05 × 10(-5)) and rs3827219 (P = 1.66 × 10(-5)) fall in receptor-interacting serine/threonine-protein kinase 4 (RIPK4). One isolated single nucleotide polymorphism (SNP), rs739617 (P = 3.87 × 10(-5)) was also identified to be associated with TRS. The -94delATTG allele (rs28362691) located in the promoter region of NFKB1 was identified by resequencing and was found to associate with TRS (P = 4.85 × 10(-6)). The promoter assay demonstrated that the -94delATTG allele had a significant lower promoter activity than the -94insATTG allele in the SH-SY5Y cells. This study suggests that rs28362691 in NFKB1 might be involved in the development of TRS.

PMID:
22479419
PMCID:
PMC3313922
DOI:
10.1371/journal.pone.0033598
[Indexed for MEDLINE]
Free PMC Article

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