Genome-wide association study and polygenic risk prediction of hypothyroidism

  • Søren A. Rand*
  • , Gustav Ahlberg
  • , Vinicius Tragante
  • , Laia M. Monfort
  • , Chaoqun Zheng
  • , Ulla Feldt-Rasmussen
  • , Marianne C. Klose
  • , Maris Teder-Laving
  • , Andres Metspalu
  • , Henrik E. Poulsen
  • , Christina Ellervik
  • , Birte Nygaard
  • , Christian Erikstrup
  • , Mie T. Bruun
  • , Bitten A. Jensen
  • , Henrik Ullum
  • , Søren Brunak
  • , David Westergaard
  • , Thomas Werge
  • , Unnur Thorsteinsdottir
  • Kari Steffanson, Bitten A. Jensen, Ole B. Pedersen, Erik Sørensen, Jonas Ghouse*, DBDS Genomic Consortium, Estonian Biobank Research Team, 23andMe Research Team
*Corresponding author for this work

Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

Abstract

We performed a genome-wide meta-analysis of hypothyroidism (113,393 cases and 1,065,268 controls), free thyroxine (191,449 individuals) and thyroid-stimulating hormone (482,873 individuals). We identified 350 loci associated with hypothyroidism, including 179 not previously reported, 29 of which were linked through thyroid-stimulating hormone. We found that many hypothyroidism risk loci regulate blood cell counts and the circulating inflammasome, and through multiple gene-mapping strategies, we prioritized 259 putative causal genes enriched in immune-related functions. We developed a polygenic risk score (PRS) based on more than 115,000 hypothyroidism cases to address diagnostic challenges in individuals with or at risk of thyroid hormone deficiency. We show that the highest predictive accuracy for hypothyroidism was achieved when combining the PRS with thyroid hormones and thyroid-peroxidase autoantibodies, and that the PRS was able to stratify risk of progression among individuals with subclinical hypothyroidism. These findings demonstrate the potential for a hypothyroidism PRS to support the prediction of disease progression and onset in thyroid hormone deficiency.

Original languageEnglish
JournalNature Genetics
Volume57
Issue12
Pages (from-to)3007-3015
Number of pages9
ISSN1061-4036
DOIs
Publication statusPublished - Dec 2025

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