期刊
DIABETES
卷 57, 期 11, 页码 3122-3128出版社
AMER DIABETES ASSOC
DOI: 10.2337/db08-0425
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资金
- Erasmus Medical Center
- Erasmus University Rotterdam
- Netherlands Organization for Scientific Research
- Netherlands Organization for Health Research and Development (ZonMw)
- Research Institute for Diseases in the Elderly
- Ministry of Education, Culture and Science
- Ministry of Health, Welfare and Sports
- European Commission
- Municipality of Rotterdam
- Centre for Medical Systems Biology
- Dutch Research Organisation [nr.175.010.2005.011]
OBJECTIVE-Prediction of type 2 diabetes based on genetic testing might improve identification of high-risk subjects. Genome-wide association (GWA) studies identified multiple new genetic variants that associate with type 2 diabetes. The predictive value of genetic testing for prediction of type 2 diabetes in the general population is unclear. RESEARCH DESIGN AND METHODS-We investigated 18 polymorphisms from recent GWA studies on type 2 diabetes in the Rotterdam Study, a prospective, population-based study among homogeneous Caucasian individuals of 55 years and older (genotyped subjects, n = 6,544; prevalent cases, n = 686; incident cases during follow-up, n = 601; mean follow-up 10.6 years). The predictive value of these polymorphisms was examined alone and in addition to clinical characteristics using logistic and Cox regression analyses. The discriminative accuracy of the prediction models was assessed by the area under the receiver operating characteristic curves (AUCs). RESULTS-Of the 18 polymorphisms, the ADAMYS9, CDKAL1, CDKN2A/B-rs1412829, FTO, IGF2BP2, JAZF1, SLC30A8, TCF7L2, and WFS1 variants were associated with type 2 diabetes risk in our population. The AUC was 0.60 (95% Cl 0.57-0.63) for prediction based on the genetic polymorphisms; 0.66 (0.63-0.68) for age, sex, and BMI; and 0.68 (0.66-0.71) for the genetic polymorphisms and clinical characteristics combined. CONCLUSIONS-We showed that 9 of 18 well-established genetic risk variants were associated with type 2 diabetes in a population-based study. Combining genetic variants has low predictive value for future type 2 diabetes at a population-based level. The genetic polymorphisms only marginally improved the prediction of type 2 diabetes beyond clinical characteristics. Diabetes 57:3122-3128, 2008
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