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Soo Min Park 1 Article
The effects of chromium exposure on sister chromatid exchange and concentration of 8-hydroxydeoxyguanosine.
Sang Hwan Han, Soo Hun Cho, Heon Kim, Soo Min Park, Mina Ha, Young Soo Joo, Ho Jang Kwon, Yong Dae Kwon, Myung Hee Kwon
Korean J Prev Med. 1995;28(2):511-525.
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AbstractAbstract PDF
To elucidate some DNA adducts as a biological marker for workers of chromate pigment, the effects of chromium exposure on the formation of 8-hydroxydeoxyguanosine(8-OH-dG) and sister chromatid exchanges(SCEs) frequency in 38 workers of a pigment plant in Bucheon which utilized lead chromates, were examined. The chromium contents of venous blood and urine were measured as working environmental exposure level. The concentrations of 8-OH-dG in DNA isolated from lymphocytes were determined with high performance liquid chromatography and electrochemical detector and denoted as a molar ratio of 8-OH-dG to deoxyguanosine(dG). The SCEs frequency were analyzed in DNA isolated from lymphocytes. A significant correlation was found between creatinine adjusted urine chromium concentration and the molar ratio of 8-OH-dG to dG(r=0.47, p<0.01). After adjusting the current smoking habit, the correlation coefficient was increased(r=0.62, p<0.05). However, there was no significant correlation between the SCE frequency and chromium exposure. This significant results between molar ratio of 8-OH-dG to dG and chromium exposure are in good agreement with in vitro studies that support the importance of DNA adduct formation for the carcinogenic effect of chromium.
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JPMPH : Journal of Preventive Medicine and Public Health