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 = 3.04x10-7) and rs11265461 (P = 1.94x10-7) are adjacent to signaling lymphocytic activation molecule family member 1 (SLAMF1); rs4699030 (P = 1.94x10-6) and rs230529 (P = 1.74x10-7) are located in the gene nuclear factor of kappa light polypeptide gene enhancer in B-cells 1 (NFKB1); and rs13049286 (P = 3.05x10-5) and rs3827219 (P = 1.66x10-5) fall in receptor-interacting serine/threonine-protein kinase 4 (RIPK4). One isolated single nucleotide polymorphism (SNP), rs739617 (P = 3.87x10-5) 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 = 4.85x10-6). 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. 2012 Liou et al.
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Y.-J., L., H.-H., W., M.-T.M., L., S.-C., W., H.-L., C., C.-C., C., … J.-Y., W. (2012). Genome-wide association study of treatment refractory schizophrenia in han Chinese. PLoS ONE. C.-J. Hong, Department of Psychiatry, Taipei Veterans General Hospital, Taipei, Taiwan (Republic of China). E-mail: jywu@ibms.sinica.edu.tw: Public Library of Science (185 Berry Street, Suite 1300, San Francisco CA 94107, United States). Retrieved from http://www.plosone.org/article/fetchObjectAttachment.action?uri=info%3Adoi%2F10.1371%2Fjournal.pone.0033598&representation=PDF
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