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Updated: Jun 29, 2026

A Method to Study the C924T Polymorphism of the Thromboxane A2 Receptor Gene
Published on: April 1, 2019
ADRA2A polymorphism and smoking in a Turkish population
B Karahalil1, E Coskun, E Emerce
1Department of Toxicology, Faculty of Pharmacy, Gazi University, Ankara, Turkey. bensuka@gmail.com
This study investigated the ADRA2A C1291G gene polymorphism in 203 Turkish individuals, finding allele frequencies of 64% C and 36% G. The G allele showed a potential association with smoking predisposition.
Area of Science:
- Pharmacogenomics
- Human Genetics
- Molecular Biology
Background:
- Adrenoceptors (ARs) are crucial for physiological functions and drug targets.
- Genetic variations in ARs, including the ADRA2A gene, can lead to polymorphism.
- The ADRA2A C1291G polymorphism influences neurotransmitter release, blood pressure, and other key functions.
Purpose of the Study:
- To determine the allelic and genotypic frequencies of the ADRA2A C1291G polymorphism in the Turkish population.
- To investigate the potential association between the ADRA2A C1291G polymorphism and smoking habits in this cohort.
Main Methods:
- Genotyping of 203 healthy Turkish subjects for the ADRA2A C1291G polymorphism.
- Analysis of allele and genotype distributions.
- Statistical evaluation for association with smoking status.
Main Results:
- Allele frequencies in the Turkish population were 64% for 1291C and 36% for 1291G.
- Genotype frequencies were 35.5% (C/C), 57.6% (C/G), and 6.9% (G/G).
- A slight increase in the G allele frequency was observed in smokers compared to non-smokers.
Conclusions:
- The ADRA2A C1291G polymorphism distribution in Turkish Caucasians is comparable to other Caucasian populations.
- The ADRA2A G allele may be associated with an increased predisposition to smoking.
- Further studies on genotype and haplotype variations are warranted to confirm these findings and explore their clinical significance.
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