Genome-wide association studies: potential next steps on a genetic journey

被引:239
作者
McCarthy, Mark I. [1 ,2 ,3 ]
Hirschhorn, Joel N. [4 ,5 ,6 ,7 ,8 ]
机构
[1] Univ Oxford, Churchill Hosp, Oxford Ctr Diabet Endocrinol & Metab, Oxford OX3 7LJ, England
[2] Univ Oxford, Wellcome Trust Ctr Human Genet, Oxford OX3 7BN, England
[3] Churchill Hosp, Oxford NIHR Biomed Res Ctr, Oxford OX3 7LJ, England
[4] Childrens Hosp, Program Genom, Boston, MA 02115 USA
[5] Childrens Hosp, Div Genet, Boston, MA 02115 USA
[6] Childrens Hosp, Div Endocrinol, Boston, MA 02115 USA
[7] Harvard & MIT, Broad Inst, Cambridge, MA 02142 USA
[8] Harvard Univ, Sch Med, Dept Genet, Boston, MA 02115 USA
关键词
D O I
10.1093/hmg/ddn289
中图分类号
Q5 [生物化学]; Q7 [分子生物学];
学科分类号
071010 ; 081704 ;
摘要
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.
引用
收藏
页码:R156 / R165
页数:10
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