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Hereditary hemorrhagic telangiectasia

ENG · rs12042

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.

Strength of the evidence

2 / 4

ClinVar classifies it as disease-causing (or likely), reviewed at 1 of 4 stars.

How this is scored

4: ClinVar disease-causing, reviewed by an expert panel or a guideline (3–4 stars). 3: ClinVar, several labs agreeing (2 stars), or a genetic study at p ≤ 10−50. 2: ClinVar from one lab (1 star), or p ≤ 10−20. 1: ClinVar submitted without criteria (0 stars), or genome-wide significance (p ≤ 5×10−8). The higher of the two counts. It says how solid the evidence is, not whether it matters for a particular person.

What ClinVar records

Classification Likely pathogenic for Hereditary hemorrhagic telangiectasia; criteria provided, single submitter (1 of 4 stars, 1 submitter), last evaluated 2023-03-10. ClinVar record 571294 NM_001114753.3(ENG):c.884C>T (p.Thr295Ile)

Change history MyGeneLog™ keeps a copy of every weekly release from 2026-10-19 and compares them. This position's classification has not changed since.

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

A/A Two copies of the version ClinVar lists as likely disease-causing for Hereditary hemorrhagic telangiectasia. A result like this should be confirmed by a medical genetic test and talked through with a doctor; consumer DNA files can misread rare variants. So far only one lab has made this call, so it may change. (ClinVar VCV000571294, criteria provided, single submitter)
A/G One copy of the version ClinVar lists as likely disease-causing for Hereditary hemorrhagic telangiectasia. Some conditions need only one copy; for others, one copy makes a person a carrier who is usually healthy but can pass it on. A genetic counsellor can say which applies. So far only one lab has made this call, so it may change. (ClinVar VCV000571294, criteria provided, single submitter)
G/G No copy of the version ClinVar lists as likely disease-causing for Hereditary hemorrhagic telangiectasia. This is the usual result. So far only one lab has made this call, so it may change. (ClinVar VCV000571294, criteria provided, single submitter)

Source: ClinVar VCV000571294, criteria provided, single submitter

Questions about rs12042

What is rs12042?

rs12042 is a single position in the genome, in or near the ENG gene. Published research associates it with hereditary hemorrhagic telangiectasia. A single variant does not decide an outcome — it shifts a probability, and for most common variants the shift is small.

Does having rs12042 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 rs12042 come from?

ClinVar VCV000571294, criteria provided, single submitter. Every variant on MyGeneLog comes from public primary sources and is published with its citation and the date it was checked.

Quoting this page

Licensed CC BY-NC 4.0: free to read, share and adapt for non-commercial use, naming MyGeneLog™ and linking the exact page. Commercial use, including training or serving a commercial AI system, needs a licence — https://www.mygenelog.com/license

Hereditary hemorrhagic telangiectasia (rs12042). MyGeneLog™. https://www.mygenelog.com/variants/rs12042

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