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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 48,454 European ancestry individuals.
The effect
Each copy of the G allele shifted the measure 0.0368 higher (95% confidence interval 0.024-0.049); p = 4 × 10−9.
Where it sits Chromosome 13, band 13q34 — in an intron of COL4A2.
What each result means
A/ANo copy of the version the research linked to White matter hyperintensity volume. This is the starting point the study compared everyone against.
A/GOne copy of the version the research linked to White matter hyperintensity volume. That is a smaller link than two copies.
G/GTwo copies of the version the research linked to White matter hyperintensity volume. That is the strongest link of the three results. A link in a study is not a diagnosis.
Nature communications · 2020 · PMID 33293549 · open access
Questions about rs55940034
What is rs55940034?
rs55940034 is a single position in the genome, in or near the COL4A2 gene. Published research associates it with white matter hyperintensity volume. A single variant does not decide an outcome — it shifts a probability, and for most common variants the shift is small.
Does having rs55940034 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 rs55940034 come from?
GWAS Catalog, Nature communications 2020, PMID:33293549. Every variant on MyGeneLog comes from public primary sources and is published with its citation and the date it was checked.
1 9234Reads by AI crawlersClaude0ChatGPT0Google · Gemini0Perplexity0Meta AI0Microsoft · Copilot0Amazon2Apple3China (ByteDance, Huawei, Baidu…)0Others4Total9Counted 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.
White matter hyperintensity volume (rs55940034). MyGeneLog™. https://www.mygenelog.com/variants/rs55940034