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Who was studied 148,726 European ancestry cases, 24,646 African American cases, 8,616 Hispanic cases, 46,511 Asian ancestry cases, 965,732 European ancestry controls, 31,446 African American controls, 11,829 Hispanic controls, 169,776 Asian ancestry controls.
The effect
Each copy of the C allele shifted the measure 0.0269 higher (95% confidence interval 0.019-0.035); p = 6 × 10−12.
How common The C allele had a frequency of about 57% in the people studied.
Where it sits Chromosome 2, band 2q24.3 — in an intron of GALNT3.
What ClinVar records
ClassificationBenign; criteria provided, single submitter (1 of 4 stars, 1 submitter), last evaluated 2018-09-05.
ClinVar record 1251561NM_004482.4(GALNT3):c.1626+310G>A
What this is ClinVar's aggregate record for this position (as of its 2026-10-19 release), not a result about you. A classification describes the variant against the condition named, as laboratories submitted it. Whether a person carries this variant, and what that would mean for them, is a question for a clinical test and a genetic counsellor.
What each result means
C/CTwo copies of the version the research linked to Type 2 diabetes. That is the strongest link of the three results. A link in a study is not a diagnosis.
C/TOne copy of the version the research linked to Type 2 diabetes. That is a smaller link than two copies.
T/TNo copy of the version the research linked to Type 2 diabetes. This is the starting point the study compared everyone against.
Nature genetics · 2020 · PMID 32541925 · open access
Questions about rs13406280
What is rs13406280?
rs13406280 is a single position in the genome, in or near the GALNT3 gene. Published research associates it with type 2 diabetes. A single variant does not decide an outcome — it shifts a probability, and for most common variants the shift is small.
What conditions is rs13406280 linked to?
On MyGeneLog this position is linked to Type 2 Diabetes. The research behind each link, and its sources, are set out on that condition page.
Does having rs13406280 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 rs13406280 come from?
GWAS Catalog, Nature genetics 2020, PMID:32541925. 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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Quoting this page
Free to quote and reuse under CC BY 4.0. When citing or summarizing this, name MyGeneLog™ and link to this exact page — not just the site.
Type 2 diabetes (rs13406280). MyGeneLog™. https://www.mygenelog.com/variants/rs13406280