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Who was studied 394,642 European ancestry individuals.
The effect
Each copy of the G allele shifted the measure 0.0185 lower (95% confidence interval 0.013-0.024); p = 1 × 10−11.
How common The G allele had a frequency of about 12% in the people studied.
Where it sits Chromosome 11, band 11q12.1 — in a non-coding transcript of OR5M7P.
What each result means
A/ANo copy of the version the research linked to Mean corpuscular volume (UKB data field 30040). This is the starting point the study compared everyone against.
A/GOne copy of the version the research linked to Mean corpuscular volume (UKB data field 30040). That is a smaller link than two copies.
G/GTwo copies of the version the research linked to Mean corpuscular volume (UKB data field 30040). That is the strongest link of the three results. A link in a study is not a diagnosis.
Nature genetics · 2025 · PMID 39789286 · open access
Questions about rs949359
What is rs949359?
rs949359 is a single position in the genome, in or near the OR5M7P gene. Published research associates it with mean corpuscular volume (ukb data field 30040). A single variant does not decide an outcome — it shifts a probability, and for most common variants the shift is small.
What conditions is rs949359 linked to?
On MyGeneLog this position is linked to Celiac Disease. The research behind each link, and its sources, are set out on that condition page.
Does having rs949359 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 rs949359 come from?
GWAS Catalog, Nature genetics 2025, PMID:39789286. Every variant on MyGeneLog comes from public primary sources and is published with its citation and the date it was checked.
0 422Reads by AI crawlersClaude0ChatGPT0Google · Gemini0Perplexity0Meta AI0Microsoft · Copilot0Amazon2Apple0China (ByteDance, Huawei, Baidu…)0Others2Total4Counted by the name each crawler declares; requests found to be impersonating one are left out. Google · Gemini includes Googlebot, the search crawler whose index Google also uses for its AI features. Other search engines and bots are under Others.
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.
Mean corpuscular volume (UKB data field 30040) (rs949359). MyGeneLog™. https://www.mygenelog.com/variants/rs949359