A Mendelian randomization study of the effect of type-2 diabetes on coronary heart disease

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A Mendelian randomization study of the effect of type-2 diabetes on coronary heart disease

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Title: A Mendelian randomization study of the effect of type-2 diabetes on coronary heart disease
Author: Ahmad, Omar S.; Morris, John A.; Mujammami, Muhammad; Forgetta, Vincenzo; Leong, Aaron; Li, Rui; Turgeon, Maxime; Greenwood, Celia M.T.; Thanassoulis, George; Meigs, James B.; Sladek, Robert; Richards, J. Brent

Note: Order does not necessarily reflect citation order of authors.

Citation: Ahmad, O. S., J. A. Morris, M. Mujammami, V. Forgetta, A. Leong, R. Li, M. Turgeon, et al. 2015. “A Mendelian randomization study of the effect of type-2 diabetes on coronary heart disease.” Nature Communications 6 (1): 7060. doi:10.1038/ncomms8060. http://dx.doi.org/10.1038/ncomms8060.
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Abstract: In observational studies, type-2 diabetes (T2D) is associated with an increased risk of coronary heart disease (CHD), yet interventional trials have shown no clear effect of glucose-lowering on CHD. Confounding may have therefore influenced these observational estimates. Here we use Mendelian randomization to obtain unconfounded estimates of the influence of T2D and fasting glucose (FG) on CHD risk. Using multiple genetic variants associated with T2D and FG, we find that risk of T2D increases CHD risk (odds ratio (OR)=1.11 (1.05–1.17), per unit increase in odds of T2D, P=8.8 × 10−5; using data from 34,840/114,981 T2D cases/controls and 63,746/130,681 CHD cases/controls). FG in non-diabetic individuals tends to increase CHD risk (OR=1.15 (1.00–1.32), per mmol·per l, P=0.05; 133,010 non-diabetic individuals and 63,746/130,681 CHD cases/controls). These findings provide evidence supporting a causal relationship between T2D and CHD and suggest that long-term trials may be required to discern the effects of T2D therapies on CHD risk.
Published Version: doi:10.1038/ncomms8060
Other Sources: http://www.ncbi.nlm.nih.gov/pmc/articles/PMC4458864/pdf/
Terms of Use: This article is made available under the terms and conditions applicable to Other Posted Material, as set forth at http://nrs.harvard.edu/urn-3:HUL.InstRepos:dash.current.terms-of-use#LAA
Citable link to this page: http://nrs.harvard.edu/urn-3:HUL.InstRepos:17295612
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