Diverse genome sequences provided a powerful tool for studying risk of heart disease

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On Dec. 8, 2021, in a large-scale study of people from diverse ancestries, researchers narrowed down the number of genomic variants that are strongly associated with blood lipid levels and generated a polygenic risk score to predict elevated low-density lipoprotein cholesterol levels, a major risk factor for heart disease.

Lipids are fat-like substances that can be found in blood and body tissues. They come in two major forms — cholesterol and triglycerides. Humans need a certain amount of lipids in the body for normal function, but elevated lipid levels may increase the risk of developing a heart condition. Polygenic risk scores provide an estimate of an individual’s risk for specific diseases, based on their DNA changes related to those diseases.

The study, published in the journal Nature, was led by the Global Lipids Genetics Consortium. The authors included researchers at the National Human Genome Research Institute.

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Source: National Institutes of Health
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