Abstract
Obesity is a disorder with a complex genetic etiology, and its epidemic is a worldwide problem. Although multiple genetic loci associated with body mass index, the most common measure of obesity, have been identified in European populations, few studies have focused on Asian populations. Here we report a genome-wide association study and replication studies with 62,245 east Asian subjects, which identified two new body mass index–associated loci in the CDKAL1 locus at 6p22 (rs2206734, P = 1.4 × 10−11) and the KLF9 locus at 9q21 (rs11142387, P = 1.3 × 10−9), as well as several previously reported loci (the SEC16B, BDNF, FTO, MC4R and GIPR loci, P < 5.0 × 10−8). We subsequently performed gene-gene interaction analyses and identified an interaction (P = 2.0 × 10−8) between a SNP in the KLF9 locus (rs11142387) and one in the MSTN (also known as GDF8) locus at 2q32 (rs13034723). These findings should provide useful insights into the etiology of obesity.
This is a preview of subscription content, access via your institution
Access options
Subscribe to this journal
Receive 12 print issues and online access
206,07 € per year
only 17,17 € per issue
Buy this article
- Purchase on SpringerLink
- Instant access to full article PDF
Prices may be subject to local taxes which are calculated during checkout


Similar content being viewed by others
References
Kopelman, P.G. Obesity as a medical problem. Nature 404, 635–643 (2000).
Maes, H.H., Neale, M.C. & Eaves, L.J. Genetic and environmental factors in relative body weight and human adiposity. Behav. Genet. 27, 325–351 (1997).
Frayling, T.M. et al. A common variant in the FTO gene is associated with body mass index and predisposes to childhood and adult obesity. Science 316, 889–894 (2007).
Liu, Y.J. et al. Genome-wide association scans identified CTNNBL1 as a novel gene for obesity. Hum. Mol. Genet. 17, 1803–1813 (2008).
Chambers, J.C. et al. Common genetic variation near MC4R is associated with waist circumference and insulin resistance. Nat. Genet. 40, 716–718 (2008).
Loos, R.J. et al. Common variants near MC4R are associated with fat mass, weight and risk of obesity. Nat. Genet. 40, 768–775 (2008).
Thorleifsson, G. et al. Genome-wide association yields new sequence variants at seven loci that associate with measures of obesity. Nat. Genet. 41, 18–24 (2009).
Willer, C.J. et al. Six new loci associated with body mass index highlight a neuronal influence on body weight regulation. Nat. Genet. 41, 25–34 (2009).
Meyre, D. et al. Genome-wide association study for early-onset and morbid adult obesity identifies three new risk loci in European populations. Nat. Genet. 41, 157–159 (2009).
Liu, X.G. et al. Genome-wide association and replication studies identified TRHR as an important gene for lean body mass. Am. J. Hum. Genet. 84, 418–423 (2009).
Cho, Y.S. et al. A large-scale genome-wide association study of Asian populations uncovers genetic factors influencing eight quantitative traits. Nat. Genet. 41, 527–534 (2009).
Speliotes, E.K. et al. Association analyses of 249,796 individuals reveal 18 new loci associated with body mass index. Nat. Genet. 42, 937–948 (2010).
Deurenberg, P., Deurenberg-Yap, M. & Guricci, S. Asians are different from Caucasians and from each other in their body mass index/body fat per cent relationship. Obes. Rev. 3, 141–146 (2002).
Nakamura, Y. The BioBank Japan Project. Clin. Adv. Hematol. Oncol. 5, 696–697 (2007).
Okada, Y. et al. Genome-wide association study for C-reactive protein levels identified pleiotropic associations in the IL6 locus. Hum. Mol. Genet. 20, 1224–1231 (2011).
Freedman, M.L. et al. Assessing the impact of population stratification on genetic association studies. Nat. Genet. 36, 388–393 (2004).
Wen, W. et al. Meta-analysis identifies common variants associated with body mass index in east Asians. Nat. Genet. Advance online publication (12 February 2012), doi:10.1038/ng.1086.
Zobel, D.P. et al. Variation in the gene encoding Kruppel-like factor 7 influences body fat: studies of 14,818 Danes. Eur. J. Endocrinol. 160, 603–609 (2009).
Hinney, A., Vogel, C.I. & Hebebrand, J. From monogenic to polygenic obesity: recent advances. Eur. Child Adolesc. Psychiatry 19, 297–310 (2010).
Cordell, H.J. Detecting gene-gene interactions that underlie human diseases. Nat. Rev. Genet. 10, 392–404 (2009).
Winkler, C. et al. BMI at age 8 years is influenced by the type 2 diabetes susceptibility genes HHEX-IDE and CDKAL1. Diabetes 59, 2063–2067 (2010).
Andersson, E.A. et al. Type 2 diabetes risk alleles near ADCY5, CDKAL1 and HHEX-IDE are associated with reduced birthweight. Diabetologia 53, 1908–1916 (2010).
Steinthorsdottir, V. et al. A variant in CDKAL1 influences insulin response and risk of type 2 diabetes. Nat. Genet. 39, 770–775 (2007).
Yamauchi, T. et al. A genome-wide association study in the Japanese population identifies susceptibility loci for type 2 diabetes at UBE2E2 and C2CD4A-C2CD4B. Nat. Genet. 42, 864–868 (2010).
Saxena, R. et al. Genetic variation in GIPR influences the glucose and insulin responses to an oral glucose challenge. Nat. Genet. 42, 142–148 (2010).
Pei, H., Yao, Y., Yang, Y., Liao, K. & Wu, J.R. Kruppel-like factor KLF9 regulates PPARγ transactivation at the middle stage of adipogenesis. Cell Death Differ. 18, 315–327 (2011).
Kadowaki, T. & Yamauchi, T. Adiponectin and adiponectin receptors. Endocr. Rev. 26, 439–451 (2005).
Oishi, Y. et al. Kruppel-like transcription factor KLF5 is a key regulator of adipocyte differentiation. Cell Metab. 1, 27–39 (2005).
Elkasrawy, M.N. & Hamrick, M.W. Myostatin (GDF-8) as a key factor linking muscle mass and bone structure. J. Musculoskelet. Neuronal Interact. 10, 56–63 (2010).
Schuelke, M. et al. Myostatin mutation associated with gross muscle hypertrophy in a child. N. Engl. J. Med. 350, 2682–2688 (2004).
Grade, C.V., Salerno, M.S., Schubert, F.R., Dietrich, S. & Alvares, L.E. An evolutionarily conserved Myostatin proximal promoter/enhancer confers basal levels of transcription and spatial specificity in vivo. Dev. Genes Evol. 219, 497–508 (2009).
Wada, K. et al. Validity of self-reported height and weight in a Japanese workplace population. Int. J. Obes. (Lond) 29, 1093–1099 (2005).
Nakamura, K., Hoshino, Y., Kodama, K. & Yamamoto, M. Reliability of self-reported body height and weight of adult Japanese women. J. Biosoc. Sci. 31, 555–558 (1999).
The International HapMap Consortium. The International HapMap Project. Nature 426, 789–796 (2003).
Devlin, B. & Roeder, K. Genomic control for association studies. Biometrics 55, 997–1004 (1999).
Yamaguchi-Kabata, Y. et al. Japanese population structure, based on SNP genotypes from 7003 individuals compared to other ethnic groups: effects on population-based association studies. Am. J. Hum. Genet. 83, 445–456 (2008).
Stranger, B.E. et al. Population genomics of human gene expression. Nat. Genet. 39, 1217–1224 (2007).
W.H.O. Expert Consultation. Appropriate body-mass index for Asian populations and its implications for policy and intervention strategies. Lancet 363, 157–163 (2004).
Acknowledgements
We thank K. Tobe and M. Iwata at the First Department of Internal Medicine, Faculty of Medicine, Toyama University, H. Hirose at Health Center, Keio University School of Medicine and all the staff of the Laboratory for Endocrinology, Metabolism and Statistical Analysis at CGM, RIKEN for their assistance. This study was supported by the Ministry of Education, Culture, Sports, Science and Technology, Japan.
Author information
Authors and Affiliations
Consortia
Contributions
Y.O. and T. Tanaka designed the study and drafted the manuscript. N.H. and M.K. performed the genotyping. Y.O., H.O., A.T., N. Kumasaka and T. Tsunoda performed the statistical analyses. Y.O. and M.K. managed the clinical information. W.W., R.D., M.J.G., W.Z., N. Kato, J.-Y.W. and Q.L. managed replication study set 3. The GIANT consortium managed the association study in Europeans. S.M., K.Y., Y.N., N. Kamatani and T. Tanaka supervised the study.
Corresponding author
Ethics declarations
Competing interests
The authors declare no competing financial interests.
Additional information
A full list of members is provided in the Supplementary Note.
Supplementary information
Supplementary Text and Figures
Supplementary Tables 1–6, Supplementary Figures 1–5 and Supplementary Note. (PDF 593 kb)
Rights and permissions
About this article
Cite this article
Okada, Y., Kubo, M., Ohmiya, H. et al. Common variants at CDKAL1 and KLF9 are associated with body mass index in east Asian populations. Nat Genet 44, 302–306 (2012). https://doi.org/10.1038/ng.1086
Received:
Accepted:
Published:
Issue Date:
DOI: https://doi.org/10.1038/ng.1086
This article is cited by
-
A GIPR antagonist conjugated to GLP-1 analogues promotes weight loss with improved metabolic parameters in preclinical and phase 1 settings
Nature Metabolism (2024)
-
Understanding the contemporary high obesity rate from an evolutionary genetic perspective
Hereditas (2023)
-
A review on association and correlation of genetic variants with eating disorders and obesity
Future Journal of Pharmaceutical Sciences (2021)
-
TrkB-expressing paraventricular hypothalamic neurons suppress appetite through multiple neurocircuits
Nature Communications (2020)
-
Lack of association between FTO gene variations and metabolic healthy obese (MHO) phenotype: Tehran Cardio-metabolic Genetic Study (TCGS)
Eating and Weight Disorders - Studies on Anorexia, Bulimia and Obesity (2020)