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Biobank

Definition
AI-generated

A biobank is an organized collection of biological specimens and associated data (often linked to EHRs, surveys, or imaging) stored for research or healthcare use, with governance for consent, access, and recontact.

Why it matters in GWAS

Large biobanks power discovery and polygenic score calibration but introduce selection into participation, geographic bias, and relatedness structure that GWAS methods must model; harmonizing phenotypes across sites is as critical as harmonizing genotypes.

Example usage

"We restricted analyses to unrelated individuals after kinship inference in the national biobank."

References

  • Zatloukal K, et al. (2011). Biobanks and biorepositories in Europe. Brief Bioinform.

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