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Workshop in Biostatistics presents "Genetics of 35 blood and urine biomarkers in the UK Biobank"

Genetics of 35 blood and urine biomarkers in the UK Biobank
Thursday, May 28, 2020 - 1:30pm
Zoom ID 343472506 (+password)
Prof. Manuel Rivas (Stanford)
Abstract / Description: 

Clinical laboratory tests are a critical component of the continuum of care and provide a means for rapid diagnosis and monitoring of chronic disease. In this study, we systematically evaluated the genetic basis of 35 blood and urine laboratory tests measured in 358,072 participants in the UK Biobank and identified 1,857 independent loci associated with at least one laboratory test, including 488 large-effect protein truncating, missense, and copy-number variants. We then causally linked the biomarkers to medically relevant phenotypes through genetic correlation and Mendelian Randomization. Finally, we developed polygenic risk scores (PRS) for each biomarker and built multi-PRS models using all 35 PRSs simultaneously. We assessed sex-specific genetic effects and find striking patterns for testosterone with marked improvements in prediction when training a sex-specific model. We found substantially improved prediction of incidence in FinnGen (n=135,500) with the multi-PRS relative to single-disease PRSs for renal failure, myocardial infarction, type 2 diabetes, gout, and alcoholic cirrhosis. Together, our results show the genetic basis of these biomarkers, which tissues contribute to the biomarker function, the causal influences of the biomarkers, and how we can use this to predict disease. For the last 15 minutes of the presentation, I'll briefly touch base on recent progress in COVID-19 host genetics efforts.

Suggested Readings:

  • "Genetics of 38 blood and urine biomarkers in the UK Biobank,"
  • "Sex-specific genetic effects across biomarkers,"
  • "A Fast and Flexible Algorithm for Solving the Lasso in Large-scale and Ultrahigh-dimensional Problems,"

Contact for required meeting password.