期刊
MOLECULAR BIOLOGY REPORTS
卷 39, 期 5, 页码 5699-5704出版社
SPRINGER
DOI: 10.1007/s11033-011-1378-x
关键词
DNA damage; Comet assay; Genetic Polymorphism; Detoxifying enzyme
资金
- Ministry of Science and Higher Education [N404042/32/0945]
Endogenous DNA damage levels were analyzed in relation to polymorphisms in genes encoding phase I detoxifying enzyme-CYP1A1, phase II detoxifying enzymes-GSTM1, GSTT1, GSTP1 and enzyme involved in nucleotide excision repair-XPD. The study group consisted of 220 healthy non-smoking volunteers; 90 men and 130 woman, 25-60 years old (44 +/- A 10 years). The level of DNA damage (% DNA in tail) was evaluated by alkaline comet assay. The genetic variants were determined by restriction fragment length polymorphism PCR. The highest level of DNA damage (6.7%) was found in carriers of both: AA variant of XPD gene and M1 null variant of GSTM1 gene. The lowest level of DNA breaks (3.7%) was associated with the genotype GSTP1-AA/GSTM1 (+).
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