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Genome-wide association studies have successfully identified numerous loci at which common variants influence disease risk or quantitative traits. Despite these successes, the variants identified by these studies have generally explained only a small fraction of the heritable component of disease risk, and have not pinpointed with certainty the causal variant(s) at the associated loci. Furthermore, the mechanisms of action by which associated loci influence disease or quantitative phenotypes are often unclear, because we do not know through which gene(s) the associated variants exert their effects or because these gene(s) are of unknown function or have no clear connection to known disease biology. Thus, the initial set of genome-wide association studies serve as a starting point for future genetic and functional studies. We outline possible next steps that may help accelerate progress from genetic studies to the biological knowledge that can guide the development of predictive, preventive, or therapeutic measures.

Original publication

DOI

10.1093/hmg/ddn289

Type

Journal article

Journal

Hum Mol Genet

Publication Date

15/10/2008

Volume

17

Pages

R156 - R165

Keywords

Genetic Predisposition to Disease, Genetic Variation, Genome, Human, Genome-Wide Association Study, Genotype, Humans, Phenotype