rs1169289 a variant in the HNF1A gene

What is this?

Your DNA is a long sequence of four letters. At a few million positions, people commonly differ by a single letter; each of those positions is called a SNP (“snip”), and rs1169289 is the catalogue number of one of them, in the HNF1A gene. Which letters you carry there — one copy from each parent — is your genotype.

HNF1A (HNF1 homeobox A): The protein encoded by this gene is a transcription factor required for the expression of several liver-specific genes. The encoded protein functions as a homodimer and binds to the inverted palindrome 5'-GTTAATNATTAAC-3'. Defects in this gene are a cause of maturity onset diabetes of the young type 3 (MODY3) and also can result in the appearance of hepatic adenomas.

Gene description from NCBI Gene

Why might it matter?

ClinVar records this variant as conflicting interpretations, meaning laboratories that have assessed it do not agree on whether it matters. A classification describes the variant, not you: what it means for one person depends on their genotype, their family history and often on other genes and circumstances.

Conditions it has been reported with

• Maturity-onset diabetes of the young type 3
• Type 2 diabetes mellitus
• Maturity-onset diabetes of the young
• Nonpapillary renal cell carcinoma

Listed in ClinVar submissions for this variant. Being listed is a report of an association, not a statement that the variant causes the condition in any given person.

Do I have this variant?

Connect this with your blood results

A gene is a fixed instruction; a blood test shows what your body is doing now. CheckMyBloods reads the two side by side, so a variant can be set against the markers it could plausibly affect.

Blood markers do not diagnose a genetic condition, and a variant does not explain a blood result on its own. Together, with symptoms and family history, they give a clinician context.

What should I do next?

1. Find out whether you carry it. Reading about a variant says nothing about you until you know your genotype.
2. Put it in context. Add your blood results, so the variant can be read against what your body is doing.
3. Ask questions. Dr. Hemsworth, our AI assistant, can explain this variant and your results in plain English.
4. Take anything that worries you to a professional. A GP or genetic counsellor can order a confirmatory test and interpret it with your history.

This page is general information drawn from public research databases. It cannot diagnose anything, and it is not a substitute for advice from a doctor or genetic counsellor who knows your history.

Technical details

dbSNP ID

rs1169289

Gene

HNF1A

Position

chr12:120978819

ClinVar classification

Conflicting classifications of pathogenicity

Genome-wide association studies (20)

Sources

• dbSNP: rs1169289 — the reference record
• ClinVar — clinical interpretations submitted by laboratories
• SNPedia — community-written summaries
• NCBI Gene: HNF1A
• Ensembl: HNF1A
• GWAS Catalog — association studies

Related

Other variants in HNF1A

• rs587776825
• rs137853236
• rs2135842335
• rs137853237
• rs137853238
• rs2135818776
• rs1566092470
• rs137853242
• rs1463923467
• rs137853243

• The HNF1A gene
• SNP explorer
• Gene directory
• Health conditions