Improving polygenic risk prediction in admixed populations by explicitly modeling ancestral-specific effects via GAUDI
biorxiv(2022)
摘要
Polygenic risk scores (PRS) have shown successes in clinics, but most PRS methods have focused only on individuals with one primary continental ancestry, thus poorly accommodating recently-admixed individuals. Here, we develop GAUDI, a novel penalized-regression-based method specifically designed for admixed individuals by explicitly modeling ancestry-specific effects and jointly estimating ancestry-shared effects. We demonstrate marked advantages of GAUDI over other methods through comprehensive simulation and real data analyses.
### Competing Interest Statement
The authors have declared no competing interest.
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关键词
polygenic risk prediction,admixed populations,ancestral-specific
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