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Is Pulmonary Arterial Hypertension Genetic?
- Heritability
- ~80%
- Inheritance
- autosomal-dominant
- Key genes
- BMPR2 ACVRL1 ENG
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Rare but life-threatening pulmonary vascular disease. ~75–80% of familial PAH caused by BMPR2 mutations with reduced penetrance.
How Genetic Is Pulmonary Arterial Hypertension?
Pulmonary Arterial Hypertension has a strong genetic basis. Research estimates heritability at approximately 80%, meaning genetic factors account for the majority of variation in whether individuals develop this condition.
Key genes associated with Pulmonary Arterial Hypertension: BMPR2 ACVRL1 ENG. 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 Pulmonary Arterial Hypertension?
Yes — family history is one of the strongest predictors of Pulmonary Arterial Hypertension. 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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