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Is Familial Hypercholesterolaemia Genetic?
- Heritability
- ~90%
- Inheritance
- autosomal-dominant
- Key genes
- LDLR,APOB,PCSK9
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Familial hypercholesterolaemia causes very high LDL cholesterol from birth and dramatically increases the risk of early heart disease. It affects approximately 1 in 250 people.
How Genetic Is Familial Hypercholesterolaemia?
Familial Hypercholesterolaemia has a strong genetic basis. Research estimates heritability at approximately 90%, meaning genetic factors account for the majority of variation in whether individuals develop this condition.
Key genes associated with Familial Hypercholesterolaemia: LDLR,APOB,PCSK9. Variants in these genes have been identified through genome-wide association studies (GWAS) and clinical research as influencing susceptibility or severity.
Source: MedlinePlus Genetics
Does Family History Matter for Familial Hypercholesterolaemia?
Yes — family history is one of the strongest predictors of Familial Hypercholesterolaemia. If a first-degree relative (parent, sibling, or child) has been diagnosed, your own risk may be significantly elevated. Discussing your family history with a healthcare provider or genetic counsellor is strongly recommended.
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