A genome-wide association study in Japanese identified one variant associated with a preference for a Japanese dietary pattern

Harumitsu Suzuki, Yasuyuki Nakamura, Keitaro Matsuo, Nahomi Imaeda, Chiho Goto, Akira Narita, Atsushi Shimizu, Naoyuki Takashima, Kenji Matsui, Katsuyuki Miura, Masahiro Nakatochi, Asahi Hishida, Takashi Tamura, Yuka Kadomatsu, Rieko Okada, Yuichiro Nishida, Chisato Shimanoe, Daisaku Nishimoto, Toshiro Takezaki, Isao OzeHidemi Ito, Hiroaki Ikezaki, Masayuki Murata, Daisuke Matsui, Etsuko Ozaki, Haruo Mikami, Yohko Nakamura, Sadao Suzuki, Miki Watanabe, Kokichi Arisawa, Hirokazu Uemura, Kiyonori Kuriki, Yukihide Momozawa, Michiaki Kubo, Yoshikuni Kita, Kenji Takeuchi, Kenji Wakai

Research output: Contribution to journalArticlepeer-review

1 Citation (Scopus)

Abstract

Background/Objectives: Individual eating habits may be influenced by genetic factors, in addition to environmental factors. Previous studies suggested that adherence to Japanese food patterns was associated with a decreased risk of all-cause and cardiovascular disease mortality. We conducted a genome-wide association study (GWAS) in a Japanese population to find genetic variations that affect adherence to a Japanese food pattern. Subjects/Methods: We analyzed GWAS data using 14,079 participants from the Japan Multi-Institutional Collaborative Cohort study. We made a Japanese food score based on six food groups. Association of the imputed variants with the Japanese food score was performed by linear regression analysis with adjustments for age, sex, total energy intake, alcohol intake (g/day), and principal components 1–10 omitting variants in the major histocompatibility region. Results: We found one SNP in the 14q11.2 locus that was significantly associated with the Japanese food score with P values <5 × 10−8. Functional annotation revealed that the expression levels of two genes (BCL2L2, SLC22A17) were significantly inversely associated with this SNP. These genes are known to be related to olfaction and obesity. Conclusion: We found a new SNP that was associated with the Japanese food score in a Japanese population. This SNP is inversely associated with genes link to olfaction and obesity.

Original languageEnglish
JournalEuropean Journal of Clinical Nutrition
DOIs
Publication statusAccepted/In press - 2020

All Science Journal Classification (ASJC) codes

  • Medicine (miscellaneous)
  • Nutrition and Dietetics

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