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Is Ichthyosis Vulgaris Genetic?
- Heritability
- ~90%
- Inheritance
- autosomal-dominant
- Key genes
- FLG
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The most common inherited skin scaling disorder caused by FLG mutations. Semi-dominant inheritance; homozygotes are more severely affected.
How Genetic Is Ichthyosis Vulgaris?
Genetics plays a meaningful role in Ichthyosis Vulgaris, with heritability estimated at around 90%. However, environmental factors — including diet, lifestyle, and exposure — also significantly influence risk.
Key genes associated with Ichthyosis Vulgaris: FLG. 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 Ichthyosis Vulgaris?
Family history does matter. Having close relatives with Ichthyosis Vulgaris can increase your personal risk, though it is not deterministic. Maintaining a healthy lifestyle and regular screening remain important regardless of family background.
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