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Who was studied 363 Hondo Japanese ancestry cases, 2,659 Hondo Japanese ancestry controls.
The effect
Each copy of the T allele carried 1.94 times the odds of IgG4-related Mikuliczs disease (95% confidence interval 1.53-2.46); p = 4 × 10−8.
How common The T allele had a frequency of about 9% in the people studied.
Where it sits Chromosome 9, band 9q22.32 — between genes, 43.4 kb from PTCH1.
What each result means
C/CNo copy of the version the research linked to IgG4-related Mikuliczs disease. This is the starting point the study compared everyone against.
C/TOne copy of the version the research linked to IgG4-related Mikuliczs disease. That is a smaller link than two copies.
T/TTwo copies of the version the research linked to IgG4-related Mikuliczs disease. That is the strongest link of the three results. A link in a study is not a diagnosis.
rs66917126 is a single position in the genome, in or near the near PTCH1 gene. Published research associates it with igg4-related mikuliczs disease. A single variant does not decide an outcome — it shifts a probability, and for most common variants the shift is small.
What conditions is rs66917126 linked to?
On MyGeneLog this position is linked to IgG4-Related Disease. The research behind each link, and its sources, are set out on that condition page.
Does having rs66917126 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 rs66917126 come from?
GWAS Catalog, The Lancet. Rheumatology 2026, PMID:41197642. Every variant on MyGeneLog comes from public primary sources and is published with its citation and the date it was checked.
0 29214122116Reads by AI crawlersClaude0ChatGPT2Google · Gemini0Perplexity1Meta AI4Microsoft · Copilot1Amazon2Apple2China (ByteDance, Huawei, Baidu…)1ByteDance (Doubao)1Others16Total29Counted 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.
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