Nat Genet:顾东风等发现4个冠心病心梗易感基因

2012-07-10 王丹 健康报

日前,由中国医学科学院阜外心血管病医院副院长顾东风教授领衔的研究团队,通过对3.3万余名中国冠心病患者以及正常对照人群进行的全基因组关联分析,成功鉴定出8个冠心病相关的遗传易感区域,其中4个区域为国际上首次报道。该研究成果于7月1日在线发表于国际著名学术期刊《自然—遗传学》(Nature Genetics)上。 研究人员依托阜外心血管病医院和协作单位的临床和人群研究资源,首先用1515名冠心病患

日前,由中国医学科学院阜外心血管病医院副院长顾东风教授领衔的研究团队,通过对3.3万余名中国冠心病患者以及正常对照人群进行的全基因组关联分析,成功鉴定出8个冠心病相关的遗传易感区域,其中4个区域为国际上首次报道。该研究成果于7月1日在线发表于国际著名学术期刊《自然—遗传学》(Nature Genetics)上。

研究人员依托阜外心血管病医院和协作单位的临床和人群研究资源,首先用1515名冠心病患者和5019名对照人群的基因组DNA进行全基因组遗传变异的关联分析,随后在15460名冠心病患者和11472名对照人群中进行多阶段重复验证,并在8.7万欧洲人群全基因组样本中交叉验证,首次鉴定出2p24.1、4q32.1、6p21.32和12q21.33共4个染色体区域,其遗传变异可显著影响冠心病、心肌梗死的发病风险。同时,还证实了国外报道的6p24.1、6q23.2、9p21.3和12q24.13共4个区域与我国人群冠心病、心肌梗死发病风险相关。

顾东风介绍,冠心病是人类第一位死因,占总死亡的13%。该项研究成果对解析冠心病和心肌梗死的遗传分子机制,以及冠心病预警、高危人群的筛查和预测、临床早期诊断、新药研发具有重要的科学价值。

据介绍,该研究是迄今亚洲最大的冠心病全基因组关联研究,是在国家“973”计划、“863”计划、北京市科委项目以及国家自然科学基金的支持下,由中国医学科学院阜外心血管病医院、中国医科院基础医学研究所、国家人类基因组北方中心、上海交通大学、生物芯片北京国家工程研究中心、中国科学院生物物理研究所等30余家单位合作完成的。

doi:10.1038/ng.2337
PMC:

PMID:

Genome-wide association study in Han Chinese identifies four new susceptibility loci for coronary artery disease

Xiangfeng Lu,1, 45 Laiyuan Wang,1, 2, 45 Shufeng Chen,1 Lin He,3 Xueli Yang,1 Yongyong Shi,3 Jing Cheng,4, 5 Liang Zhang,4 C Charles Gu,6 Jianfeng Huang,1 Tangchun Wu,7 Yitong Ma,8 Jianxin Li,1 Jie Cao,1 Jichun Chen,1 Dongliang Ge,1 Zhongjie Fan,9 Ying Li,1 Liancheng Zhao,1 Hongfan Li,2 Xiaoyang Zhou,10 Lanying Chen,1 Donghua Liu,1 Jingping Chen,1 Xiufang Duan,1

We performed a meta-analysis of 2 genome-wide association studies of coronary artery disease comprising 1,515 cases and 5,019 controls followed by replication studies in 15,460 cases and 11,472 controls, all of Chinese Han ancestry. We identify four new loci for coronary artery disease that reached the threshold of genome-wide significance (P < 5 × 10?8). These loci mapped in or near TTC32-WDR35, GUCY1A3, C6orf10-BTNL2 and ATP2B1. We also replicated four loci previously identified in European populations (in or near PHACTR1, TCF21, CDKN2A-CDKN2B and C12orf51). These findings provide new insights into pathways contributing to the susceptibility for coronary artery disease in the Chinese Han population.

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    2012-12-31 liye789132251
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    2013-05-21 canlab
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    2012-12-06 wwzzly
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    2012-10-14 cy0324
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