The Post-GWAS Era: From Association to Function

被引:513
作者
Gallagher, Michael D. [1 ,2 ]
Chen-Plotkin, Alice S. [1 ]
机构
[1] Univ Penn, Perelman Sch Med, Dept Neurol, Philadelphia, PA 19104 USA
[2] Whitehead Inst Biomed Res, 9 Cambridge Ctr, Cambridge, MA 02142 USA
关键词
FRONTOTEMPORAL LOBAR DEGENERATION; BREAST-CANCER RISK; FACTOR-H POLYMORPHISM; ALPHA-SYNUCLEIN; TRANSCRIPTION FACTOR; REGULATORY VARIATION; FETAL-HEMOGLOBIN; GENETIC-VARIATION; COMPLEX TRAITS; VARIANTS;
D O I
10.1016/j.ajhg.2018.04.002
中图分类号
Q3 [遗传学];
学科分类号
071007 ; 090102 ;
摘要
During the past 12 years, genome-wide association studies (GWASs) have uncovered thousands of genetic variants that influence risk for complex human traits and diseases. Yet functional studies aimed at delineating the causal genetic variants and biological mechanisms underlying the observed statistical associations with disease risk have lagged. In this review, we highlight key advances in the field of functional genomics that may facilitate the derivation of biological meaning post-GWAS. We highlight the evidence suggesting that causal variants underlying disease risk often function through regulatory effects on the expression of target genes and that these expression effects might be modest and cell-type specific. We moreover discuss specific studies as proof-of-principle examples for current statistical, bioinformatic, and empirical bench-based approaches to downstream elucidation of GWAS-identified disease risk loci.
引用
收藏
页码:717 / 730
页数:14
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