A Functional SNP in BNC2 Is Associated with Adolescent Idiopathic Scoliosis

Yoji Ogura, Ikuyo Kou, Shigenori Miura, Atsushi Takahashi, Leilei Xu, Kazuki Takeda, Yohei Takahashi, Katsuki Kono, Noriaki Kawakami, Koki Uno, Manabu Ito, Shohei Minami, Ikuho Yonezawa, Haruhisa Yanagida, Hiroshi Taneichi, Zezhang Zhu, Taichi Tsuji, Teppei Suzuki, Hideki Sudo, Toshiaki KotaniKota Watanabe, Naobumi Hosogane, Eijiro Okada, Aritoshi Iida, Masahiro Nakajima, Akihiro Sudo, Kazuhiro Chiba, Yuji Hiraki, Yoshiaki Toyama, Yong Qiu, Chisa Shukunami, Yoichiro Kamatani, Michiaki Kubo, Morio Matsumoto, Shiro Ikegawa

研究成果: Article

65 引用 (Scopus)

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Adolescent idiopathic scoliosis (AIS) is the most common spinal deformity. We previously conducted a genome-wide association study (GWAS) and detected two loci associated with AIS. To identify additional loci, we extended our GWAS by increasing the number of cohorts (2,109 affected subjects and 11,140 control subjects in total) and conducting a whole-genome imputation. Through the extended GWAS and replication studies using independent Japanese and Chinese populations, we identified a susceptibility locus on chromosome 9p22.2 (p = 2.46 × 10-13; odds ratio = 1.21). The most significantly associated SNPs were in intron 3 of BNC2, which encodes a zinc finger transcription factor, basonuclin-2. Expression quantitative trait loci data suggested that the associated SNPs have the potential to regulate the BNC2 transcriptional activity and that the susceptibility alleles increase BNC2 expression. We identified a functional SNP, rs10738445 in BNC2, whose susceptibility allele showed both higher binding to a transcription factor, YY1 (yin and yang 1), and higher BNC2 enhancer activity than the non-susceptibility allele. BNC2 overexpression produced body curvature in developing zebrafish in a gene-dosage-dependent manner. Our results suggest that increased BNC2 expression is implicated in the etiology of AIS.

元の言語English
記事番号1911
ページ(範囲)337-342
ページ数6
ジャーナルAmerican Journal of Human Genetics
97
発行部数2
DOI
出版物ステータスPublished - 2015 8 6

ASJC Scopus subject areas

  • Genetics
  • Genetics(clinical)

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    Ogura, Y., Kou, I., Miura, S., Takahashi, A., Xu, L., Takeda, K., Takahashi, Y., Kono, K., Kawakami, N., Uno, K., Ito, M., Minami, S., Yonezawa, I., Yanagida, H., Taneichi, H., Zhu, Z., Tsuji, T., Suzuki, T., Sudo, H., ... Ikegawa, S. (2015). A Functional SNP in BNC2 Is Associated with Adolescent Idiopathic Scoliosis. American Journal of Human Genetics, 97(2), 337-342. [1911]. https://doi.org/10.1016/j.ajhg.2015.06.012