Genome-wide association study identifies HMGN3 locus for spine bone size variation in Chinese.

Genome-wide association study identifies HMGN3 locus for spine bone size variation in Chinese.
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全基因组关联研究确定了中国人脊柱骨大小变异的 HMGN3 位点

DOI:
10.1007/s00439-011-1093-7
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发表时间:
2012-03
期刊:
影响因子:
5.3
通讯作者:
Deng HW
Deng HW
中科院分区:
生物学2区
文献类型:
--
作者:
Lei SF;Shen H;Yang TL;Guo Y;Dong SS;Xu XH;Deng FY;Tian Q;Liu YJ;Liu YZ;Li J;Deng HW

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骨大小(BS)是骨质疏松性骨折的主要危险因素之一。骨大小的变异在很大程度上由基因决定,遗传度超过50%,但骨大小变异的具体基因在很大程度上仍然未知。为了在中国人群中识别骨大小的特定基因,进行了初步的全基因组关联扫描(GWAS)研究以及后续的验证研究。在初步的GWAS研究中,一组12个连续的单核苷酸多态性(SNP),跨越约25kb的区域,位于HMGN3基因(高迁移率族核小体结合结构域3)的上游,对脊柱骨大小获得了中等程度的关联信号,P值范围从6.2×10⁻⁵到1.8×10⁻⁶。在后续的验证研究中,在1728名无关的女性白种人中检测到12个SNP中的8个与骨大小有提示性的重复关联,白种人与中国人在种族遗传背景上有显著差异。HMGN3基因区域的SNP在中国人和白种人中都形成了紧密结合的单倍型模块。结果表明,包含HMGN3基因的基因组区域可能与中国人的脊柱骨大小有关。
Bone size (BS) is one of the major risk factors for osteoporotic fractures. BS variation is genetically determined to a substantial degree with heritability over 50%, but specific genes underlying variation of BS are still largely unknown. To identify specific genes for BS in Chinese, initial genome-wide association scan (GWAS) study and follow-up replication study were performed. In initial GWAS study, a group of 12 contiguous single-nucleotide polymorphism (SNP)s, which span a region of ~25 kb and locate at the upstream of HMGN3 gene (high-mobility group nucleosomal binding domain 3), achieved moderate association signals for spine BS, withPvalues ranging from 6.2E−05 to 1.8E−06. In the follow-up replication study, eight of the 12 SNPs were detected suggestive replicate associations with BS in 1,728 unrelated female Caucasians, which have well-known differences from Chinese in ethnic genetic background. The SNPs in the region of HMGN3 gene formed a tightly combined haplotype block in both Chinese and Caucasians. The results suggest that the genomic region containing HMGN3 gene may be associated with spine BS in Chinese.
在全基因组关联研究中,女性的髋骨大小变异的PLCL1基因的鉴定。
DOI: 10.1371/journal.pone.0003160
发表时间: 2008-09-08
期刊: PloS one
影响因子: 3.7
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DOI: 10.1359/jbmr.2002.17.4.678
发表时间: 2002-04-01
影响因子: 6.2
作者:
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DOI: 10.1007/s00774-004-0607-y
发表时间: 2005-07-01
影响因子: 3.3
作者:
Lei, SF;Liu, YZ;Deng, HW
通讯作者: Deng, HW
DOI: 10.1210/jc.2006-1134
发表时间: 2007-04-01
影响因子: 5.8
作者:
Fang, Yue;van Meurs, Joyce B. J.;Uitterlinden, Andre G.
通讯作者: Uitterlinden, Andre G.
DOI: 10.1016/j.bone.2004.11.002
发表时间: 2005-03-01
期刊: BONE
影响因子: 4.1
作者:
Lei, SF;Deng, FY;Deng, HW
通讯作者: Deng, HW