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Is Epidermolysis Bullosa Genetic?
- Heritability
- ~100%
- Inheritance
- multifactorial
- Key genes
- KRT5,KRT14,COL7A1,ITGA6
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Epidermolysis bullosa is a group of inherited skin disorders causing extremely fragile skin that blisters from minor friction or injury.
How Genetic Is Epidermolysis Bullosa?
Epidermolysis Bullosa has a strong genetic basis. Research estimates heritability at approximately 100%, meaning genetic factors account for the majority of variation in whether individuals develop this condition.
Key genes associated with Epidermolysis Bullosa: KRT5,KRT14,COL7A1,ITGA6. 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 Epidermolysis Bullosa?
Yes — family history is one of the strongest predictors of Epidermolysis Bullosa. 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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