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Is Mitral Valve Prolapse Genetic?
- Heritability
- ~89%
- Inheritance
- polygenic
- Key genes
- FLNA DZIP1 TNS1
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The most common cardiac valvular abnormality (~2–3% prevalence). Twin studies show ~89% heritability; familial clustering is well documented.
How Genetic Is Mitral Valve Prolapse?
Mitral Valve Prolapse involves complex interactions between multiple genes and environmental factors. Heritability estimates range up to 89%, though no single gene determines outcome on its own.
Key genes associated with Mitral Valve Prolapse: FLNA DZIP1 TNS1. 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 Mitral Valve Prolapse?
Family history can be informative for Mitral Valve Prolapse, but its predictive power is limited because many genes — each with small effects — combine with environmental influences. A family history of the condition may prompt earlier or more frequent screening.
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