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Is Sjögren's Syndrome Genetic?
- Heritability
- ~61%
- Inheritance
- multifactorial
- Key genes
- HLA-DQ2,IRF5,STAT4,BLK
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Sjögren's syndrome is an autoimmune disease causing dry eyes and dry mouth. Twin studies suggest heritability of approximately 61% with strong HLA associations.
How Genetic Is Sjögren's Syndrome?
Genetics plays a meaningful role in Sjögren's Syndrome, with heritability estimated at around 61%. However, environmental factors — including diet, lifestyle, and exposure — also significantly influence risk.
Key genes associated with Sjögren's Syndrome: HLA-DQ2,IRF5,STAT4,BLK. 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 Sjögren's Syndrome?
Family history does matter. Having close relatives with Sjögren's Syndrome 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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