Association of single-nucleotide polymorphisms in MTMR9 gene with obesity

Takahiro Yanagiya, Atsushi Tanabe, Aritoshi Iida, Susumu Saito, Akihiro Sekine, Atsushi Takahashi, Tatsuhiko Tsunoda, Seika Kamohara, Yoshio Nakata, Kazuaki Kotani, Ryoya Komatsu, Naoto Itoh, Ikuo Mineo, Jun Wada, Hiroaki Masuzaki, Masato Yoneda, Atsushi Nakajima, Shigeru Miyazaki, Katsuto Tokunaga, Manabu KawamotoTohru Funahashi, Kazuyuki Hamaguchi, Kiyoji Tanaka, Kentaro Yamada, Toshiaki Hanafusa, Shinichi Oikawa, Hironobu Yoshimatsu, Kazuwa Nakao, Toshiie Sakata, Yuji Matsuzawa, Naoyuki Kamatani, Yusuke Nakamura, Kikuko Hotta

Research output: Contribution to journalArticle

38 Citations (Scopus)

Abstract

Genetic factors are clearly involved in the development of obesity, but the genetic background of obesity remains largely unclear. Starting from 62 663 gene-based single-nucleotide polymorphisms (SNPs) in three sequential case-control association studies, we identified a replicated association between the obesity phenotype (BMI ≥30 kg/m2) and a SNP (rs2293855) located in the myotublarin-related protein 9 (MTMR9) gene in the chromosomal segment 8p23-p22. P-values (minor allele dominant model) of the first set (93 cases versus 649 controls) and the second set (564 cases versus 562 controls) were 0.008 and 0.0002, respectively. The association was replicated in the third set [394 cases versus 958 controls, P = 0.005, odds ratio (95% CI) = 1.40 (1.11-1.78)]. The global P-value was 0.0000005. A multiple regression analysis revealed that gender, age BMI and rs2293855 genotype (minor allele dominant model) were significantly associated with both systolic and diastolic blood pressures. MTMR9 was shown to be the only gene within the haplotype block that contained SNPs associated with obesity. Both the transcript and protein of MTMR9 were detected in the rodent lateral hypothalamic area as well as in the arcuate nucleus, and the protein co-existed with orexin, melanin concentrating hormone, neuropeptide Y and proopiomelanocortin. The levels of MTMR9 transcript in the murine hypothalamic region increased after fasting and were decreased by a high-fat diet. Our data suggested that genetic variations in MTMR9 may confer a predisposition towards obesity and hypertension through regulation of hypothalamic neuropeptides.

Original languageEnglish
Pages (from-to)3017-3026
Number of pages10
JournalHuman Molecular Genetics
Volume16
Issue number24
DOIs
Publication statusPublished - Dec 15 2007

Fingerprint

Single Nucleotide Polymorphism
Obesity
Genes
Alleles
Lateral Hypothalamic Area
Blood Pressure
Pro-Opiomelanocortin
Arcuate Nucleus of Hypothalamus
Proteins
Neuropeptide Y
High Fat Diet
Neuropeptides
Haplotypes
Case-Control Studies
Rodentia
Fasting
Odds Ratio
Genotype
Regression Analysis
Hypertension

ASJC Scopus subject areas

  • Genetics

Cite this

Yanagiya, T., Tanabe, A., Iida, A., Saito, S., Sekine, A., Takahashi, A., ... Hotta, K. (2007). Association of single-nucleotide polymorphisms in MTMR9 gene with obesity. Human Molecular Genetics, 16(24), 3017-3026. https://doi.org/10.1093/hmg/ddm260

Association of single-nucleotide polymorphisms in MTMR9 gene with obesity. / Yanagiya, Takahiro; Tanabe, Atsushi; Iida, Aritoshi; Saito, Susumu; Sekine, Akihiro; Takahashi, Atsushi; Tsunoda, Tatsuhiko; Kamohara, Seika; Nakata, Yoshio; Kotani, Kazuaki; Komatsu, Ryoya; Itoh, Naoto; Mineo, Ikuo; Wada, Jun; Masuzaki, Hiroaki; Yoneda, Masato; Nakajima, Atsushi; Miyazaki, Shigeru; Tokunaga, Katsuto; Kawamoto, Manabu; Funahashi, Tohru; Hamaguchi, Kazuyuki; Tanaka, Kiyoji; Yamada, Kentaro; Hanafusa, Toshiaki; Oikawa, Shinichi; Yoshimatsu, Hironobu; Nakao, Kazuwa; Sakata, Toshiie; Matsuzawa, Yuji; Kamatani, Naoyuki; Nakamura, Yusuke; Hotta, Kikuko.

In: Human Molecular Genetics, Vol. 16, No. 24, 15.12.2007, p. 3017-3026.

Research output: Contribution to journalArticle

Yanagiya, T, Tanabe, A, Iida, A, Saito, S, Sekine, A, Takahashi, A, Tsunoda, T, Kamohara, S, Nakata, Y, Kotani, K, Komatsu, R, Itoh, N, Mineo, I, Wada, J, Masuzaki, H, Yoneda, M, Nakajima, A, Miyazaki, S, Tokunaga, K, Kawamoto, M, Funahashi, T, Hamaguchi, K, Tanaka, K, Yamada, K, Hanafusa, T, Oikawa, S, Yoshimatsu, H, Nakao, K, Sakata, T, Matsuzawa, Y, Kamatani, N, Nakamura, Y & Hotta, K 2007, 'Association of single-nucleotide polymorphisms in MTMR9 gene with obesity', Human Molecular Genetics, vol. 16, no. 24, pp. 3017-3026. https://doi.org/10.1093/hmg/ddm260
Yanagiya T, Tanabe A, Iida A, Saito S, Sekine A, Takahashi A et al. Association of single-nucleotide polymorphisms in MTMR9 gene with obesity. Human Molecular Genetics. 2007 Dec 15;16(24):3017-3026. https://doi.org/10.1093/hmg/ddm260
Yanagiya, Takahiro ; Tanabe, Atsushi ; Iida, Aritoshi ; Saito, Susumu ; Sekine, Akihiro ; Takahashi, Atsushi ; Tsunoda, Tatsuhiko ; Kamohara, Seika ; Nakata, Yoshio ; Kotani, Kazuaki ; Komatsu, Ryoya ; Itoh, Naoto ; Mineo, Ikuo ; Wada, Jun ; Masuzaki, Hiroaki ; Yoneda, Masato ; Nakajima, Atsushi ; Miyazaki, Shigeru ; Tokunaga, Katsuto ; Kawamoto, Manabu ; Funahashi, Tohru ; Hamaguchi, Kazuyuki ; Tanaka, Kiyoji ; Yamada, Kentaro ; Hanafusa, Toshiaki ; Oikawa, Shinichi ; Yoshimatsu, Hironobu ; Nakao, Kazuwa ; Sakata, Toshiie ; Matsuzawa, Yuji ; Kamatani, Naoyuki ; Nakamura, Yusuke ; Hotta, Kikuko. / Association of single-nucleotide polymorphisms in MTMR9 gene with obesity. In: Human Molecular Genetics. 2007 ; Vol. 16, No. 24. pp. 3017-3026.
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abstract = "Genetic factors are clearly involved in the development of obesity, but the genetic background of obesity remains largely unclear. Starting from 62 663 gene-based single-nucleotide polymorphisms (SNPs) in three sequential case-control association studies, we identified a replicated association between the obesity phenotype (BMI ≥30 kg/m2) and a SNP (rs2293855) located in the myotublarin-related protein 9 (MTMR9) gene in the chromosomal segment 8p23-p22. P-values (minor allele dominant model) of the first set (93 cases versus 649 controls) and the second set (564 cases versus 562 controls) were 0.008 and 0.0002, respectively. The association was replicated in the third set [394 cases versus 958 controls, P = 0.005, odds ratio (95{\%} CI) = 1.40 (1.11-1.78)]. The global P-value was 0.0000005. A multiple regression analysis revealed that gender, age BMI and rs2293855 genotype (minor allele dominant model) were significantly associated with both systolic and diastolic blood pressures. MTMR9 was shown to be the only gene within the haplotype block that contained SNPs associated with obesity. Both the transcript and protein of MTMR9 were detected in the rodent lateral hypothalamic area as well as in the arcuate nucleus, and the protein co-existed with orexin, melanin concentrating hormone, neuropeptide Y and proopiomelanocortin. The levels of MTMR9 transcript in the murine hypothalamic region increased after fasting and were decreased by a high-fat diet. Our data suggested that genetic variations in MTMR9 may confer a predisposition towards obesity and hypertension through regulation of hypothalamic neuropeptides.",
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AU - Sekine, Akihiro

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AU - Nakata, Yoshio

AU - Kotani, Kazuaki

AU - Komatsu, Ryoya

AU - Itoh, Naoto

AU - Mineo, Ikuo

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AU - Yoneda, Masato

AU - Nakajima, Atsushi

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AU - Sakata, Toshiie

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