title: Current Insights into the Joint Genetic Basis of Type 2 Diabetes and Coronary Heart Disease.
abstract: The large-scale genome-wide association studies conducted so far identified numerous allelic variants associated with type 2 diabetes (T2D), coronary heart disease (CHD) and related cardiometabolic traits. Many T2D- and some CHD-risk loci are also linked with metabolic traits that are hallmarks of insulin resistance (lipid profile, abdominal adiposity). Chromosome 9p21.3 and 2q36.3 are the most consistently replicated loci appearing to share genetic risk for both T2D and CHD. Although many glucose- or insulin-related trait variants are also linked with T2D risk, none of them is associated with CHD. Hence, while T2D and CHD are strongly clinically linked together, further ongoing analyses are needed to clarify the existence of a shared underlying genetic signature of these complex traits. The present review summarizes an updated picture of T2D-CHD genetics as of 2013, aiming to provide a platform for targeted studies dissecting the contribution of genetics to the phenotypic heterogeneity of T2D and CHD.
authors.affiliation: Massachusetts General Hospital, General Medicine Division, 50 Staniford St. 9th Floor, Boston, MA 02114-2698, USA.
authors.forename: Marco
authors.initials: M
authors.lastname: Dauriz
authors.affiliation: Massachusetts General Hospital, General Medicine Division, 50 Staniford St. 9th Floor, Boston, MA 02114-2698, USA.
authors.forename: James B
authors.initials: JB
authors.lastname: Meigs
keywords: Cardiovascular disease; Genetic risk; Glucose homeostasis; Insulin resistance; Type 2 diabetes
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