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Genome Aggregation Database (gnomAD)

Definition
AI-generated

gnomAD is a large public resource that aggregates exome and genome sequencing data to provide high-resolution allele-frequency estimates and variant annotations across diverse ancestry groups.

Synonyms

Why it matters in GWAS

gnomAD helps interpret rarity, supports variant filtering and quality checks, and provides population-aware frequency context that improves downstream interpretation of GWAS signals.

Example usage

"We flagged coding variants with very low gnomAD frequency as candidates for follow-up."

References

  • Karczewski KJ, et al. (2020). The mutational constraint spectrum quantified from variation in 141,456 humans. Nature.

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