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The alkaline comet assay as biomarker in assessment of DNA damage in medical personnel occupationally exposed to ionizing radiation (CROSBI ID 116190)

Prilog u časopisu | izvorni znanstveni rad | međunarodna recenzija

Garaj-Vrhovac, Vera ; Kopjar, Nevenka The alkaline comet assay as biomarker in assessment of DNA damage in medical personnel occupationally exposed to ionizing radiation // Mutagenesis, 18 (2003), 265-271-x

Podaci o odgovornosti

Garaj-Vrhovac, Vera ; Kopjar, Nevenka

engleski

The alkaline comet assay as biomarker in assessment of DNA damage in medical personnel occupationally exposed to ionizing radiation

The alkaline comet assay was selected as a biomarker of exposure to evaluate the ongoing exposure to ionizing raditaion of 50 medical workers occupationally exposed to ionizing rdaitaion and 50 corresponding unexposed control subjects. The primary DNA damage was eveluated by measuring the extent of DNA migration in peipheral blood leukocytes. The inter-individual differences in DNA damage between exposed subjects were compared with their dosimeter readings and occupation. It was found that medical workers who were occupationally exposed to ionizing radiation for different periods of time showed highly significant increases in levels of DNA damage compared with controls. However, influences of the different occupational settings and doses absored on the levels of DNA damage, assessed by use of the Comet assay, might be excluded in the majority of subjects. Dofferences in comet parameters measured due to smoking and gender were not statistically significat in either exposed or control subjects.The results obtained have confirmed the usefulness of the alkaline Comet assay as an additionla complement to standrad biodosimetric methods. By detection of momentary DNA damage and/or repair activity, it reflects the concurrent exposure and the actual levels of DNA damage present in peripheral blood leukocytes of the radiological workers at the moment of blood sampling.

alkaline comet assay; DNA damage; medical workers; occupationally exposed; ionizing radiation

nije evidentirano

nije evidentirano

nije evidentirano

nije evidentirano

nije evidentirano

nije evidentirano

Podaci o izdanju

18

2003.

265-271-x

objavljeno

0267-8357

Povezanost rada

Biologija

Indeksiranost