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Standard

Cardiovascular phenotype

TTN · rs1217230000

Strength of the evidence

There is no record yet to score this position by (a ClinVar disease classification or a genome-wide significant study). That is not the same as weak evidence.

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 benign for Dilated cardiomyopathy 1G, Autosomal recessive limb-girdle muscular dystrophy type 2J, Cardiovascular phenotype; criteria provided, multiple submitters, no conflicts (2 of 4 stars, 3 submitters), last evaluated 2026-05-18. ClinVar record 1144342 NM_001267550.2(TTN):c.14301C>T (p.Cys4767=)

Classification Pathogenic/Likely pathogenic for Cardiovascular phenotype, Dilated cardiomyopathy 1G, Autosomal recessive limb-girdle muscular dystrophy type 2J; criteria provided, multiple submitters, no conflicts (2 of 4 stars, 2 submitters), last evaluated 2025-09-22. ClinVar record 1769911 NM_001267550.2(TTN):c.14301C>A (p.Cys4767Ter)

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.

How common each version is

AG
World TOPMed
G 100.0%

The share of all copies of this position that are each version. Source: the population studies published in dbSNP (US NCBI); each row names its study. No Korean figure for this position yet.

What each result means

G/G No copy of the version ClinVar lists as disease-causing or likely disease-causing for Cardiovascular phenotype. This is the usual result. (ClinVar VCV001769911, criteria provided, multiple submitters, no conflicts)
G/T One copy of the version ClinVar lists as disease-causing or likely disease-causing for Cardiovascular phenotype. 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. (ClinVar VCV001769911, criteria provided, multiple submitters, no conflicts)
T/T Two copies of the version ClinVar lists as disease-causing or likely disease-causing for Cardiovascular phenotype. 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. (ClinVar VCV001769911, criteria provided, multiple submitters, no conflicts)

Source: ClinVar VCV001769911, criteria provided, multiple submitters, no conflicts

Quoting this page

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Cardiovascular phenotype (rs1217230000). MyGeneLog™. https://www.mygenelog.com/variants/rs1217230000

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