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CYP2A6 allele frequencies in an Iranian population
Masoumeh Emamghoreishi1, Hamid-Reza Bokaee, Mojtaba Keshavarz
1Department of Pharmacology, Medical School, Shiraz University of Medical Sciences, Shiraz, Iran. emamm@sums.ac.ir
Background:
Genetic polymorphism of CYP2A6 gene is a major causal factor in the large interindividual differences in nicotine metabolism. It may have an impact on smoking behavior and smoke-related cancer susceptibility. Until now, there are no reports of CYP2A6 allele frequencies in Iranian population.
Methods:
In the present study, we investigated the frequencies of CYP2A6 alleles in 250 male Iranians. CYP2A6*2, CYP2A6*4, CYP2A6*9, and CYP2A6*12 were determined by allele-specific polymerase chain reaction.
Results:
Frequencies of *2, *4, *9, and *12 alleles were 2.2%, 0.95%, 12.4%, and 1.34%, respectively.
Conclusion:
These results showed that the distribution of CYP2A6 alleles in Iranian population was different from those reported previously for other ethnic groups. This highlights the importance of conducting further studies to investigate the implications on smoking dependence and cancer in Iranians.
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