Who was studied 257,365 African ancestry, admixed American, East Asian ancestry, European ancestry, South Asian ancestry, Greater Middle Eastern cases, 2,186,763 African ancestry, admixed American, East Asian ancestry, European ancestry, South Asian ancestry, Greater Middle Eastern controls.
The effect
Each copy of the A allele shifted the measure 0.0999 higher (95% confidence interval 0.069-0.131); p = 4 × 10−10.
How common The A allele had a frequency of about 2% in the people studied.
Where it sits Chromosome 5, band 5q35.1 — a missense change in SPDL1.
What each result means
A/APublished research associates this genotype (two copies of the reported risk allele) with a higher likelihood of Hypothyroidism compared to the general population.
A/GPublished research associates this genotype (one copy of the reported risk allele) with an intermediate association with Hypothyroidism.
G/GPublished research associates this genotype with typical/baseline likelihood of Hypothyroidism — no copies of the reported risk allele.
Nature genetics · 2026 · PMID 41644669 · open access
Questions about rs116483731
What is rs116483731?
rs116483731 is a single position in the genome, in or near the SPDL1 gene. Published research associates it with hypothyroidism. A single variant does not decide an outcome — it shifts a probability, and for most common variants the shift is small.
What conditions is rs116483731 linked to?
On MyGeneLog this position is linked to Hypothyroidism. The research behind each link, and its sources, are set out on that condition page.
Does having rs116483731 mean I will get this?
No. Common variants like this one move a probability slightly and, on their own, rarely decide anything about one person. Nothing on this page is a diagnosis, and health decisions should be made with a clinician who can see your whole picture.
Where does the information about rs116483731 come from?
GWAS Catalog, Nature genetics 2026, PMID:41644669. Every variant on MyGeneLog comes from public primary sources and is published with its citation and the date it was checked.
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