Research Papers: Pathology:
NPR-C gene polymorphism is associated with increased susceptibility to coronary artery disease in Chinese Han population: a multicenter study
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Qin Hu1, Qiji Liu2, Shasha Wang1, Xi Zhen1, Zhimian Zhang3, Ruijuan Lv4, Guihua Jiang1, Zhiyong Ma1, Hong He1, Daqing Li1, Xiaoling Liu1, Fei Gao1, Jifu Li1, Li Li1, Mei Zhang1, Xiaoping Ji1, Yuguo Chen4, Daowen Wang5, Dejia Huang6, Aiqun Ma7, Wei Huang8, Yuxia Zhao1, Yaoqin Gong2, Cheng Zhang1 and Yun Zhang1
1 Key Laboratory of Cardiovascular Remodeling and Function Research, Chinese Ministry of Education and Chinese Ministry of Health, Department of Cardiology, Shandong University Qilu Hospital, Jinan, Shandong, China
2 Department of Medical Genetics, School of Medicine, Key Laboratory of Experimental Teratology, Ministry of Education, Shandong University, Jinan, Shandong, China
3 Medical Examination Center, Shandong University Qilu Hospital, Jinan, Shandong, China
4 Department of Emergency, Shandong University Qilu Hospital, Jinan, Shandong, China
5 Department of Internal Medicine, Tongji Hospital, Tongji Medical College, Huazhong University of Science & Technology, Wuhan, China
6 Division of Cardiology, Department of Medicine, West China Hospital, Sichuan University, Chengdu, Sichuan, China
7 Department of Cardiology and Periphery Vascular Medicine, The First Affiliated Hospital of Medical College of Xi’an Jiaotong University, Xi’an, Shaanxi, China
8 Ruijin Hospital, School of Medicine, Shanghai Jiaotong University, Department of Genetics, Chinese National Human Genome Center, Shanghai, China
Cheng Zhang, email:
Yun Zhang, email:
Keywords: natriuretic peptide receptor C, coronary artery disease, genome-wide association studies, single nucleotide polymorphisms, susceptibility gene, Pathology Section
Received: November 24, 2015 Accepted: May 04, 2016 Published: May 13, 2016
To find a new locus that confers significant susceptibility to CAD in Chinese Han population, a genome-wide association study in 200 “extreme individuals” from a Shandong cohort and a pathway-based candidate gene study from a Shanghai cohort (293 CAD/293 controls) were simultaneously performed. Amongst them, 13 SNPs associated with CAD were selected to conduct validation and replication studies in additional 3363 CAD patients and 3148 controls. A novel locus rs700926 in natriuretic peptide receptor C (NPR-C) was identified in Shandong and Hubei cohorts. Then rs700926 and other nine tag SNPs were genotyped in four geographically different populations (Shandong, Shaanxi, Hubei and Sichuan cohorts), and 6 SNPs (rs700926, rs1833529, rs2270915, rs17541471, rs3792758 and rs696831) showed stronger association with CAD, regardless of single or combined analysis. We further genotyped rs2270915 and 10 additional tag SNPs in a central China cohort and identified rs12697273 and rs10066436 as the loci associated with CAD. All these positive associations remained significant after adjustment for traditional risk factors of CAD. NPR-C gene SNPs significantly contribute to CAD susceptibility in the Chinese Han population.
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