Journal
MUTATION RESEARCH-REVIEWS IN MUTATION RESEARCH
Volume 544, Issue 2-3, Pages 289-297Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.mrrev.2003.07.003
Keywords
challenging dose; susceptibility; repair competence; SCGE assay
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Human biomonitoring, as a tool to identify health risk from environmental exposures, has gained increasing interest especially in the areas of cancer risk assessment and response to therapy. Chromosome aberrations resulting from direct DNA breakage or from inhibition of DNA repair or synthesis, as measured in peripheral blood lymphocytes, have been used successfully in the assessment of environmental health. Susceptibility to the induction of genotoxicity has been evaluated by the use of an in vitro challenge dose of UV or X-rays. In this report, DNA damage was analyzed with the use of single cell gel electrophoresis (SCGE) assay in healthy donors and cancer patients. Studies have shown a good correlation between DNA damage induced in vivo or in vitro and cytogenetic measures. Results from studies on susceptibilities and repair competence in 475 controls, exposed workers and cancer patients are discussed. The possible effects of exposures and influence of the diet and other confounding factors are shown. The prospective use of a challenging dose of radiation combined with the SCGE assay as a predictive assay is suggested and the limitations are discussed. (C) 2003 Elsevier B.V. All rights reserved.
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