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Is Idiopathic Short Stature Genetic?
- Heritability
- ~80%
- Inheritance
- polygenic
- Key genes
- GH1 SHOX IGF1R
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Height is one of the most heritable human traits (~80%). Hundreds of loci contribute to height variation; SHOX mutations cause specific syndromes.
How Genetic Is Idiopathic Short Stature?
Idiopathic Short Stature involves complex interactions between multiple genes and environmental factors. Heritability estimates range up to 80%, though no single gene determines outcome on its own.
Key genes associated with Idiopathic Short Stature: GH1 SHOX IGF1R. 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 Idiopathic Short Stature?
Family history can be informative for Idiopathic Short Stature, but its predictive power is limited because many genes — each with small effects — combine with environmental influences. A family history of the condition may prompt earlier or more frequent screening.
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