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Is Gaucher Disease Type 2 Genetic?
- Heritability
- ~100%
- Inheritance
- autosomal-recessive
- Key genes
- GBA
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Type 2 Gaucher disease is the most severe form causing rapidly progressive neurological deterioration in infancy. It is caused by GBA mutations with near absence of enzyme activity.
How Genetic Is Gaucher Disease Type 2?
Gaucher Disease Type 2 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 Gaucher Disease Type 2: GBA. 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 Gaucher Disease Type 2?
Yes — family history is one of the strongest predictors of Gaucher Disease Type 2. 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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