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Is Hereditary Haemolytic Anaemia Genetic?
- Heritability
- ~100%
- Inheritance
- autosomal-recessive
- Key genes
- SPTA1,SPTB,ANK1
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Hereditary haemolytic anaemias including hereditary spherocytosis are caused by mutations in red blood cell membrane proteins leading to premature cell destruction.
How Genetic Is Hereditary Haemolytic Anaemia?
Hereditary Haemolytic Anaemia 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 Hereditary Haemolytic Anaemia: SPTA1,SPTB,ANK1. 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 Hereditary Haemolytic Anaemia?
Yes — family history is one of the strongest predictors of Hereditary Haemolytic Anaemia. 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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