Evaluation of genotoxic effects in human populations
Technical Report
·
OSTI ID:5233601
There are demonstrable associations in experimental animals between DNA damage in somatic cells and the development of cancer, and between DNA damage in germ cells and the incidence of genetic disease in offspring. Thus, there is substantial evidence of the need to detect and to quantitate chemically-induced genetic damage in humans in order to assess the potential for cancer and genetic disease. Current methods for estimating human risk of cancer have been based on knowledge of human exposure and epidemiological data. An alternative approach would base such estimates of risk on knowledge of exposure and of damage to the DNA of human cells and tissues. The principal difficulty in performing such assessments lies in the uncertainty of translating information from tests for genetic damage in human cells and tissues into reliable estimates of risk for cancer or genetic disease. This poster concerns: (1) the development of mammalian cell methods that may be used ultimately to evaluate genotoxic effects in humans and (2) our initial attempts to implement a 'parallelogram' approach whereby such methods can be used, collectively, to relate quantitative information on genetic damage to quantitative estimates of risk for cancer or genetic disease.
- Research Organization:
- Health Effects Research Lab., Research Triangle Park, NC (USA)
- OSTI ID:
- 5233601
- Report Number(s):
- PB-84-128982; EPA-600/D-84-013
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
560301* -- Chemicals Metabolism & Toxicology-- Cells-- (-1987)
560306 -- Chemicals Metabolism & Toxicology-- Man-- (-1987)
63 RADIATION, THERMAL, AND OTHER ENVIRON. POLLUTANT EFFECTS ON LIVING ORGS. AND BIOL. MAT.
BIOLOGY
CARCINOGENESIS
CHROMOSOMES
DOSIMETRY
EPIDEMIOLOGY
EVALUATION
GENES
GENETICS
HUMAN POPULATIONS
MUTAGEN SCREENING
MUTATIONS
NUCLEIC ACIDS
ORGANIC COMPOUNDS
PATHOGENESIS
POPULATIONS
RNA
SCREENING
560306 -- Chemicals Metabolism & Toxicology-- Man-- (-1987)
63 RADIATION, THERMAL, AND OTHER ENVIRON. POLLUTANT EFFECTS ON LIVING ORGS. AND BIOL. MAT.
BIOLOGY
CARCINOGENESIS
CHROMOSOMES
DOSIMETRY
EPIDEMIOLOGY
EVALUATION
GENES
GENETICS
HUMAN POPULATIONS
MUTAGEN SCREENING
MUTATIONS
NUCLEIC ACIDS
ORGANIC COMPOUNDS
PATHOGENESIS
POPULATIONS
RNA
SCREENING