期刊
SCIENCE
卷 373, 期 6562, 页码 1468-1473出版社
AMER ASSOC ADVANCEMENT SCIENCE
DOI: 10.1126/science.abi8206
关键词
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资金
- Australian Research Council [FL180100072, DE200100425]
- Australian National Health and Medical Research Council [1113400, 1173790]
- National Institutes of Health [U01HG0090086, U54MD010722, R01MH113362]
- Australian Research Council [FL180100072, DE200100425] Funding Source: Australian Research Council
The sequencing of the human genome has allowed the study of the genetic architecture of common diseases, revealing that common diseases are polygenic and the cumulative effects of risk alleles determine individual risk. By quantifying these effects as a polygenic score, individuals at increased risk of disease can be identified for prevention or early intervention.
The sequencing of the human genome has allowed the study of the genetic architecture of common diseases: the number of genomic variants that contribute to risk of disease and their joint frequency and effect size distribution. Common diseases are polygenic, with many loci contributing to phenotype, and the cumulative burden of risk alleles determines individual risk in conjunction with environmental factors. Most risk loci occur in noncoding regions of the genome regulating cell- and context-specific gene expression. Although the effect sizes of most risk alleles are small, their cumulative effects in individuals, quantified as a polygenic (risk) score, can identify people at increased risk of disease, thereby facilitating prevention or early intervention.
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