4.8 Article

Efficient and accurate frailty model approach for genome-wide survival association analysis in large-scale biobanks

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NATURE COMMUNICATIONS
卷 13, 期 1, 页码 -

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NATURE PORTFOLIO
DOI: 10.1038/s41467-022-32885-x

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资金

  1. Business Finland [HUS 4685/31/2016, UH 4386/31/2016]
  2. AbbVie Inc
  3. AstraZeneca UK Ltd
  4. Biogen MA Inc.
  5. Celgene Corporation
  6. Celgene International II Sarl
  7. Genentech Inc
  8. Merck Sharp Dohme Corp
  9. Pfizer Inc.
  10. GlaxoSmithKline
  11. Sanofi
  12. Maze Therapeutics Inc.
  13. Janssen Biotech Inc.
  14. NCI [R35-CA197449, P01-CA134294, U19-CA203654, R35CA197449]
  15. NHLBI [R01-HL113338]
  16. NHGRI [U01-HG00908804S3]
  17. NIMH [R37-MH107649-06]
  18. NIH T32 fellowship [1T32HG010464-01]
  19. Academy of Finland Centre of Excellence in Complex Disease Genetics [312074]

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With the analysis of large biobanks, this study proposes an efficient and accurate method for genome-wide survival association analysis. The method accounts for population structure and relatedness and utilizes advanced optimization strategies to reduce computational cost. Simulation studies and real data analysis demonstrate the performance of the method.
With decades of electronic health records linked to genetic data, large biobanks provide unprecedented opportunities for systematically understanding the genetics of the natural history of complex diseases. Genome-wide survival association analysis can identify genetic variants associated with ages of onset, disease progression and lifespan. We propose an efficient and accurate frailty model approach for genome-wide survival association analysis of censored time-to-event (TTE) phenotypes by accounting for both population structure and relatedness. Our method utilizes state-of-the-art optimization strategies to reduce the computational cost. The saddlepoint approximation is used to allow for analysis of heavily censored phenotypes (>90%) and low frequency variants (down to minor allele count 20). We demonstrate the performance of our method through extensive simulation studies and analysis of five TTE phenotypes, including lifespan, with heavy censoring rates (90.9% to 99.8%) on similar to 400,000 UK Biobank participants with white British ancestry and similar to 180,000 individuals in FinnGen. We further analyzed 871 TTE phenotypes in the UK Biobank and presented the genome-wide scale phenome-wide association results with the PheWeb browser.

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