Comparison of in vivo and in vitro cytogenetic assay results

Environmental Mutagenesis
E D Thompson

Abstract

In vitro mutagenicity assays have largely replaced whole animal studies for screening compounds for genotoxic potential. While numerous comparisons have been made between the results of these assays and cancer assays in rodents, comparisons between in vitro and in vivo mutagenicity studies where the genetic endpoints are the same have not been published. To this extent, the published literature was reviewed for chemicals that had been tested in both in vitro and in vivo cytogenetic assays. Two hundred sixteen chemicals were identified, and definitive test results were obtained for 181 of them. Results from the two assays agreed on 126 of the compounds and of the 55 compounds for which the results did not agree, 53 were positive in vitro and negative in vivo. The proportion of "false positives" and the significance of the two "false negatives" are discussed.

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Citations

Jul 1, 1989·Mutation Research·I D AdlerF E Würgler
Nov 1, 1988·Mutation Research·J R Meier
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May 10, 2005·Environmental and Molecular Mutagenesis·Aleksandra FucićJadranka Bubić Spoljar

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