Polymorphism of genes encoding proteins of DNA repair vs. occupational and environmental exposure to lead, arsenic and pesticides
Journal Title: Medycyna Pracy - Year 2018, Vol 69, Issue 2
Abstract
Genetic polymorphism is associated with the occurrence of at least 2 different alleles in the locus with a frequency higher than 1% in the population. Among polymorphisms we can find single nucleotide polymorphism (SNP) and polymorphism of variable number of tandem repeats. The presence of certain polymorphisms in genes encoding DNA repair enzymes is associated with the speed and efficiency of DNA repair and can protect or expose humans to the effects provoked by xenobiotics. Chemicals, such as lead, arsenic pesticides are considered to exhibit strong toxicity. There are many different polymorphisms in genes encoding DNA repair enzymes, which determine the speed and efficiency of DNA damage repair induced by these xenobiotics. In the case of lead, the influence of various polymorphisms, such as APE1 (apurinic/apyrimidinic endonuclease 1) (rs1130409), hOGG1 (human 8-oxoguanine glycosylase) (rs1052133), XRCC1 (X-ray repair cross-complementing protein group 1) (rs25487), XRCC1 (rs1799782) and XRCC3 (X-ray repair cross-complementing protein group 3) (rs861539) were described. For arsenic polymorphisms, such as ERCC2 (excision repair cross-complementing) (rs13181), XRCC3 (rs861539), APE1 (rs1130409) and hOGG1 (rs1052133) were examined. As to pesticides, separate and combined effects of polymorphisms in genes encoding DNA repair enzymes, such as XRCC1 (rs1799782), hOGG1 (rs1052133), XRCC4 (X-ray repair cross-complementing protein group 4) (rs28360135) and the gene encoding the detoxification enzyme PON1 paraoxonase (rs662) were reported. Med Pr 2018;69(2):225–235
Authors and Affiliations
Karol Bukowski, Katarzyna Woźniak
Keywords
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- EP ID EP281956
- DOI 10.13075/mp.5893.00595
- Views 153
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