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Research Papers:

Identification of STXBP2 as a novel susceptibility locus for myocardial infarction in Japanese individuals by an exome-wide association study

Yoshiji Yamada _, Jun Sakuma, Ichiro Takeuchi, Yoshiki Yasukochi, Kimihiko Kato, Mitsutoshi Oguri, Tetsuo Fujimaki, Hideki Horibe, Masaaki Muramatsu, Motoji Sawabe, Yoshinori Fujiwara, Yu Taniguchi, Shuichi Obuchi, Hisashi Kawai, Shoji Shinkai, Seijiro Mori, Tomio Arai, Masashi Tanaka

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Abstract

Yoshiji Yamada1,2, Jun Sakuma2,3,4, Ichiro Takeuchi2,4,5, Yoshiki Yasukochi1,2, Kimihiko Kato1,6, Mitsutoshi Oguri1,7, Tetsuo Fujimaki8, Hideki Horibe9, Masaaki Muramatsu10, Motoji Sawabe11, Yoshinori Fujiwara12, Yu Taniguchi12, Shuichi Obuchi13, Hisashi Kawai13, Shoji Shinkai14, Seijiro Mori15, Tomio Arai16 and Masashi Tanaka17

1Department of Human Functional Genomics, Advanced Science Research Promotion Center, Mie University, Tsu, Japan

2CREST, Japan Science and Technology Agency, Kawaguchi, Japan

3Computer Science Department, College of Information Science, University of Tsukuba, Tsukuba, Japan

4RIKEN Center for Advanced Intelligence Project, Tokyo, Japan

5Department of Computer Science, Nagoya Institute of Technology, Nagoya, Japan

6Department of Internal Medicine, Meitoh Hospital, Nagoya, Japan

7Department of Cardiology, Kasugai Municipal Hospital, Kasugai, Japan

8Department of Cardiovascular Medicine, Inabe General Hospital, Inabe, Japan

9Department of Cardiovascular Medicine, Gifu Prefectural Tajimi Hospital, Tajimi, Japan

10Department of Molecular Epidemiology, Medical Research Institute, Tokyo Medical and Dental University, Tokyo, Japan

11Section of Molecular Pathology, Graduate School of Health Care Sciences, Tokyo Medical and Dental University, Tokyo, Japan

12Research Team for Social Participation and Community Health, Tokyo Metropolitan Institute of Gerontology, Tokyo, Japan

13Research Team for Promoting Support System for Home Care, Tokyo Metropolitan Institute of Gerontology, Tokyo, Japan

14Research Team for Social Participation and Health Promotion, Tokyo Metropolitan Institute of Gerontology, Tokyo, Japan

15Center for Promotion of Clinical Investigation, Tokyo Metropolitan Geriatric Hospital, Tokyo, Japan

16Department of Pathology, Tokyo Metropolitan Geriatric Hospital, Tokyo, Japan

17Department of Clinical Laboratory, Tokyo Metropolitan Geriatric Hospital, Tokyo, Japan

Correspondence to:

Yoshiji Yamada, email: yamada@gene.mie-u.ac.jp

Keywords: myocardial infarction, coronary artery disease, genetics, polymorphism, exome-wide association study

Received: January 27, 2017    Accepted: March 02, 2017    Published: March 23, 2017

ABSTRACT

We performed exome-wide association studies to identify genetic variants—in particular, low-frequency variants with a large effect size—that confer susceptibility to coronary artery disease or myocardial infarction in Japanese. The exome-wide association studies were performed with 12,698 individuals (3488 subjects with coronary artery disease including 2438 with myocardial infarction, 9210 controls) and with the use of the Illumina HumanExome-12 DNA Analysis or Infinium Exome-24 BeadChip. The relation of allele frequencies for 41,339 single nucleotide polymorphisms that passed quality control to coronary artery disease or myocardial infarction was examined with Fisher’s exact test. The exome-wide association study for coronary artery disease revealed that 126 single nucleotide polymorphisms were significantly (P <1.21 × 10–6) associated with this condition. Multivariable logistic regression analysis with adjustment for age, sex, and the prevalence of hypertension, diabetes mellitus, and dyslipidemia showed that six of these polymorphisms were related (P < 0.01) to coronary artery disease, but none was significantly (P < 9.92 × 10–5) associated with this condition. The exome-wide association study for myocardial infarction revealed that 114 single nucleotide polymorphisms were significantly (P <1.21 × 10–6) associated with this condition. Multivariable logistic regression analysis with adjustment for covariates revealed that nine of these polymorphisms were related (P < 0.01) to myocardial infarction. Among these nine polymorphisms, rs188212047 [G/T (L212F)] of STXBP2 was significantly (dominant model; P = 4.84 × 10–8; odds ratio, 2.94) associated with myocardial infarction. STXBP2 may thus be a novel susceptibility locus for myocardial infarction in Japanese.

Author Information

Yoshiji Yamada
Primary Contact  _

Jun Sakuma

Ichiro Takeuchi

Yoshiki Yasukochi

Kimihiko Kato

Mitsutoshi Oguri

Tetsuo Fujimaki

Hideki Horibe

Masaaki Muramatsu

Motoji Sawabe

Yoshinori Fujiwara

Yu Taniguchi

Shuichi Obuchi

Hisashi Kawai

Shoji Shinkai

Seijiro Mori

Tomio Arai

Masashi Tanaka


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