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[Relationship between alpha-ENaC gene Thr663Ala polymorphism and ischemic stroke].
1Department of Hypertension, Fuwai Heart Hospital, CAMS, PUMC, Beijing 100037, China. zhaoyong 600@sohu.com
Summary
The Thr663Ala polymorphism in the alpha-ENaC gene is linked to an increased risk of ischemic stroke in the Chinese population. This genetic variant may contribute to stroke development.
Area of Science:
- Genetics
- Molecular Biology
- Neurology
Context:
- Ischemic stroke is a leading cause of death and disability worldwide.
- Genetic factors play a significant role in stroke susceptibility.
- The amiloride-sensitive epithelial sodium channel alpha-subunit (alpha-ENaC) gene is implicated in ion transport and blood pressure regulation.
Purpose:
- To investigate the association between the Thr663Ala polymorphism in the alpha-ENaC gene and the risk of ischemic stroke.
- To evaluate the prevalence of this polymorphism in a Chinese population with and without ischemic stroke.
Summary:
- A case-control study was conducted on 294 ischemic stroke patients and 280 controls.
- Polymerase chain reaction (PCR) and probe hybridization were used to genotype the Thr663Ala polymorphism.
- The 663Ala allele was significantly more frequent in patients (48.64%) than in controls (40.89%), with an odds ratio of 1.429 for stroke (95% CI: 1.009-2.025).
Impact:
- The Thr663Ala polymorphism in the alpha-ENaC gene may represent a genetic risk factor for ischemic stroke in the Chinese population.
- This finding could inform future research on stroke prevention and personalized medicine.
- Understanding the genetic underpinnings of stroke can lead to targeted therapeutic strategies.