Who was studied 18,331 African ancestry, admixed American, East Asian ancestry, European ancestry, South Asian ancestry, Greater Middle Eastern cases, 1,797,183 African ancestry, admixed American, East Asian ancestry, European ancestry, South Asian ancestry, Greater Middle Eastern controls.
The effect
Each copy of the G allele shifted the measure 0.173 lower (95% confidence interval 0.12-0.22); p = 2 × 10−11.
How common The G allele had a frequency of about 7% in the people studied.
Where it sits Chromosome 11, band 11q23.3 — in an intron of SIK3.
What each result means
G/GPublished research associates this genotype (two copies of the reported risk allele) with a higher likelihood of Lymphocytic thyroiditis compared to the general population.
G/TPublished research associates this genotype (one copy of the reported risk allele) with an intermediate association with Lymphocytic thyroiditis.
T/TPublished research associates this genotype with typical/baseline likelihood of Lymphocytic thyroiditis — no copies of the reported risk allele.
Nature genetics · 2026 · PMID 41644669 · open access
Questions about rs117877581
What is rs117877581?
rs117877581 is a single position in the genome, in or near the SIK3 gene. Published research associates it with lymphocytic thyroiditis. A single variant does not decide an outcome — it shifts a probability, and for most common variants the shift is small.
What conditions is rs117877581 linked to?
On MyGeneLog this position is linked to Lymphocytic Thyroiditis (Hashimoto's). The research behind each link, and its sources, are set out on that condition page.
Does having rs117877581 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 rs117877581 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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