学術雑誌論文 Identification of five genetic variants as novel determinants of type 2 diabetes mellitus in Japanese by exome-wide association studies

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

8 ( 46 )  , pp.80492 - 80505 , 2017-10 , Impact Journals
ISSN:1949-2553
内容記述
We performed exome-wide association studies to identify single nucleotide polymorphisms that either influence fasting plasma glucose level or blood hemoglobin A1c content or confer susceptibility to type 2 diabetes mellitus in Japanese. Exome-wide association studies were performed with the use of Illumina Human Exome-12 DNA Analysis or Infinium Exome-24 BeadChip arrays and with 11,729 or 8635 subjects for fasting plasma glucose level or blood hemoglobin A1c content, respectively, or with 14,023 subjects for type 2 diabetes mellitus (3573 cases, 10,450 controls). The relation of genotypes of 41,265 polymorphisms to fasting plasma glucose level or blood hemoglobin A1c content was examined by linear regression analysis. After Bonferroni’s correction, 41 and 17 polymorphisms were significantly (P < 1.21 × 10−6) associated with fasting plasma glucose level or blood hemoglobin A1c content, respectively, with two polymorphisms (rs139421991, rs189305583) being associated with both. Examination of the relation of allele frequencies to type 2 diabetes mellitus with Fisher’s exact test revealed that 87 polymorphisms were significantly (P < 1.21 × 10−6) associated with type 2 diabetes mellitus. Subsequent multivariable logistic regression analysis with adjustment for age and sex showed that four polymorphisms (rs138313632, rs76974938, rs139012426, rs147317864) were significantly (P < 1.44 × 10−4) associated with type 2 diabetes mellitus, with rs138313632 and rs139012426 also being associated with fasting plasma glucose and rs76974938 with blood hemoglobin A1c. Five polymorphisms—rs139421991 of CAT, rs189305583 of PDCL2, rs138313632 of RUFY1, rs139012426 of LOC100505549, and rs76974938 of C21orf59—may be novel determinants of type 2 diabetes mellitus.
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