Paper Summary
Paperzilla title
Half a Million Exomes and Counting: Finding Rare Genes for Everything from Asthma to Zits!
This study analyzed exome sequencing data from 454,787 UK Biobank participants, identifying over 12 million coding variants and finding 564 genes associated with nearly 500 health-related traits. Most of these associations were independent of common variant signals found in genome-wide association studies, highlighting the potential of exome sequencing to pinpoint rare variants that influence disease risk and other traits.
Possible Conflicts of Interest
The authors declare that some are current employees and/or stockholders of Regeneron Genetics Center or Regeneron Pharmaceuticals.
Identified Weaknesses
Limited Genetic Diversity
The UK Biobank cohort has limited genetic diversity, primarily consisting of individuals of European ancestry. This limits the generalizability of the findings to other populations and may miss important genetic associations specific to non-European ancestries.
Focus on Exome Sequencing
While exome sequencing provides valuable information about protein-coding genes, it does not capture variation in non-coding regions, which can also play a significant role in disease.
The study relies on self-reported data and electronic health records for phenotyping, which can be prone to misclassification compared to more rigorous, targeted phenotyping methods.
The study lacks complete nuclear families, which prevents analyses of de novo variations, potentially missing important contributions to neurodevelopmental traits.
Rating Explanation
This study represents a significant contribution to the field of human genetics due to its large sample size and comprehensive analysis of exome sequencing data. The identification of rare variant associations with a wide range of traits provides valuable insights into gene function and potential therapeutic targets. While limitations regarding genetic diversity, phenotyping methods, and lack of family data exist, these are acknowledged by the authors and do not detract from the overall quality and impact of the research.
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Original Title:
Exome sequencing and analysis of 454,787 UK Biobank participants
Uploaded:
July 14, 2025 at 05:07 PM
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