Abstract
Objective: In the present study, because of its importance in DNA repair in cancer, we searched for polymorphisms of XRCC1 and XRCC3 genes in Turkish chronic myelogenous leukemia (CML) patients. Methods: In order to determine these gene polymorphisms, the polymerase chain reaction-restriction fragment length polymorphism (PCR-RFLP) method was applied using genomic DNA extracted from samples. Results: The genotype frequencies were observed as follows: the XRCC1 Arg399Gln genotype frequencies were observed as 33.3% homozygote typical (G/G), 43.3% heterozygote (G/A) and 23.3 % homozygote atypical (A/A) in the 30 samples of patients group; the genotype frequencies of XRCC3 Thr241Met were found 50% homozygote typical (C/C), 36.7% heterozygote (C/T) and 13.3% homozygote atypical (T/T) in all samples. Conclusion: In this study, no statistical association was found between CML and XRCC1 Arg399Gln and XRCC3 Thr241Met polymorphisms in Turkish patients.
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