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5122146 
Journal Article 
A permanent fish cell line (EPC) for genotoxicity testing of marine sediments with the comet assay 
Kammann, U; Bunke, M; Steinhart, H; Theobald, N 
2001 
1 
Mutation Research
ISSN: 0027-5107
EISSN: 1873-135X 
ELSEVIER 
AMSTERDAM 
498 
1-2 
67-77 
English 
11673072 
WOS:000171420300007 
Genotoxicity and cytotoxicity were evaluated in an in vitro system with a permanent cell line Epithelioma papulosum cyprini (EPC) derived from a skin tumour of carp (Cyprinus carpio L.). EPC cells were exposed to different concentrations of organic sediment extracts from the North Sea for 24h. After incubation the cells were analysed for viability and DNA strand breaks with the comet assay or single cell gel electrophoresis (SCGE). The results confirm the sensitivity of this assay. Out of 10 marine sediment samples from the North Sea, 9 showed a dose-dependent genotoxic effect. The EC(50) of sediment extracts ranged from 7 to 307 mg sediment dry weight/ml assay volume. Hepatic microsomal enzymes from dab (Limanda limanda L.) was proposed for enzymatic activation of benzo[a]pyrene (BAP) or sediment extracts, respectively. The suitability of this in vitro test system for assessing genotoxic and cytotoxic effects of marine sediment extracts on EPC cells could be demonstrated. 
fish; EPC; marine sediment; genotoxicity; comet assay