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Genetic Toxicology--Relevant Studies with Animal and Human Subjects.

Legator MS

NIOSH 1980 Oct:261-273

00105782

Laboratory animal and human mutagenicity testing is discussed. The limitations of in-vitro test procedures for extrapolation of risks to man are evaluated. The objectives of mutagenicity testing are reviewed, including risk establishment and quantification, and prediction of other biological effects. Experimental techniques used in animal testing are described based on induction of premutational lesions, point mutations and chromosomal changes. Cytogenic analysis, urinalysis for mutagen detection, sperm analysis for morphological changes, and Y-chromosome nondisjunction analysis are discussed as test procedures for studies in human subjects. The author recommends that in-vitro bacterial tests be used only in conjunction with more relevant in-vivo mutagenicity tests. Test batteries should be selected on the basis of their ability to cover all possible genetic lesions and metabolic products, reproducibility, and predictive value for human risk.

Laboratory-animals; Humans; Genetics; Risk-factors; Research; Analytical-methods; In-vivo-study; In-vitro-study;

19801001

Conference/Symposia Proceedings

1981

DSHEFS;

Proceedings of a Workshop on Methodology for Assessing Reproductive Hazards in the Workplace, April 19-22, 1978, P.F. Infante and M.S. Legator, Eds. Division of Surveillance, Hazard Evaluations and Field Studies, NIOSH, U.S. Department of Health and Human Services