Evaluation of the genotoxic potential of some microbial volatile organic compounds (MVOC) with the comet assay, the micronucleus assay and the HPRT gene mutation assay
Kreja, L. and Seidel, H.
2002 Mutation Research/Genetic Toxicology and Environmental Mutagenesis, 143-150
Kreja, L. and Seidel, H., (2002), "Evaluation of the genotoxic potential of some microbial volatile organic compounds (MVOC) with the comet assay, the micronucleus assay and the HPRT gene mutation assay", Mutation Research/Genetic Toxicology and Environmental Mutagenesis, 143-150.
Abstract
Microbial volatile organic compounds (MVOC), metabolites of fungi detected in indoor moulds and in working places in compost facilities are considered as a potential health hazard. Their toxicological relevance, however, is largely unknown and data are rare. The aim of this study was to evaluate in vitro the genotoxic, clastogenic and mutagenic potential of same typical MVOC. For the study of DNA damage human lung carcinoma epithelial A549 cells, V79 Chinese hamster fibroblasts and human peripheral blood cells were exposed and subjected to the alkaline comet assay (single cell gel test). Taking the Chinese hamster V79 cell line as a target clastogenic effects were studied by the micronucleus test and mutagenic effects by the hypoxanthine-guanine-phosphoribosyl transferase gene mutation test (HPRT test). The cytogenic effects of MVOC were assessed by a clonogenic assay using the A549 cell line. The alkylating agent methyl methanesulfonate (MMS) was taken as a positive control. The results indicate that MVOC induced DNA damage is only seen in conditions in which also cytotoxic effects are observed. Clastogenic and mutagenic effects could not be detected.
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