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#56 Polygenic risk scores in admixed populations with Bárbara Bitarello
Manage episode 285200844 series 1537951
Polygenic risk scores (PRS) rely on the genome-wide association studies (GWAS) to predict the phenotype based on the genotype. However, the prediction accuracy suffers when GWAS from one population are used to calculate PRS within a different population, which is a problem because the majority of the GWAS are done on cohorts of European ancestry.
In this episode, Bárbara Bitarello helps us understand how PRS work and why they don’t transfer well across populations.
Links:
- Polygenic Scores for Height in Admixed Populations (Bárbara D. Bitarello, Iain Mathieson)
- What is ancestry? (Iain Mathieson, Aylwyn Scally)
If you enjoyed this episode, please consider supporting the podcast on Patreon.
70 episodios
Manage episode 285200844 series 1537951
Polygenic risk scores (PRS) rely on the genome-wide association studies (GWAS) to predict the phenotype based on the genotype. However, the prediction accuracy suffers when GWAS from one population are used to calculate PRS within a different population, which is a problem because the majority of the GWAS are done on cohorts of European ancestry.
In this episode, Bárbara Bitarello helps us understand how PRS work and why they don’t transfer well across populations.
Links:
- Polygenic Scores for Height in Admixed Populations (Bárbara D. Bitarello, Iain Mathieson)
- What is ancestry? (Iain Mathieson, Aylwyn Scally)
If you enjoyed this episode, please consider supporting the podcast on Patreon.
70 episodios
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