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Stands on its own.
Nothing else here links to this position yet — but the page above is the point: what the
research found, what each genotype means, and where it came from, in language you can
read. Links to conditions, drugs and the senses appear automatically if we write them.
What the study found
Who was studied 136,401 Hispanic or Latin American individuals, 406,826 European ancestry individuals.
The effect
Each copy of the A allele carried 0.94 times the odds of Clonal hematopoiesis (overall) (95% confidence interval 0.918-0.957); p = 2 × 10−9.
How common The A allele had a frequency of about 28% in the people studied.
Where it sits Chromosome 6, band 6p21.33 — between genes, 6.2 kb from MUC21.
What each result means
A/ATwo copies of the version the research linked to Clonal hematopoiesis (overall). That is the strongest link of the three results. A link in a study is not a diagnosis.
A/TOne copy of the version the research linked to Clonal hematopoiesis (overall). That is a smaller link than two copies.
T/TNo copy of the version the research linked to Clonal hematopoiesis (overall). This is the starting point the study compared everyone against.
Nature genetics · 2025 · PMID 39948438 · open access
Questions about rs3131931
What is rs3131931?
rs3131931 is a single position in the genome, in or near the near MUC21 gene. Published research associates it with clonal hematopoiesis (overall). A single variant does not decide an outcome — it shifts a probability, and for most common variants the shift is small.
Does having rs3131931 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 rs3131931 come from?
GWAS Catalog, Nature genetics 2025, PMID:39948438. 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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