Abstract：
:Experimental bioassays are currently used in ecotoxicology and environmental toxicology to provide information for risk assessment evaluation of new chemicals and to investigate their effects and mechanisms of action; in addition, ecotoxicological models are used for the detection, control, and monitoring of the presence of pollutants in the environment. As a single bioassay will never provide a full picture of the quality of the environment, a representative, cost-effective, and quantitative test battery should be developed. In this study, the effects of 4-aminobiphenyl (4-ABP) were investigated using a battery of ecotoxicological model systems, including immobilization of Daphnia magna, development of zebrafish embryos, and inhibition of mammalian cell proliferation. The growth inhibition effects of 4-ABP were assessed on mouse connective tissue fibroblast cells (L929 cells) and human hepatocelluar carcinoma cells (HepG2 cells) by using a 3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyl-2H-trazolium bromide reduction assay. The results reveal that 4-aminobiphenyl is toxic for aquatic organisms and mammalian cells. The system most sensitive to 4-aminobiphenyl is D. magna immobilization, followed by development of zebrafish embryos, and inhibition of cell proliferation. L929 and HepG2 cell growth inhibition bioassays show low sensitivity. These findings indicate that a single model for the possible harmful effect of 4-ABP has its limitations; only a test battery, composed of bioassays on different species, can provide an accurate assessment of the action of 4-ABP in the whole environment.
journal_name
Ecotoxicol Environ Safjournal_title
Ecotoxicology and environmental safetyauthors
Chen J,Yu H,Liu Y,Jiang W,Jiang J,Zhang J,Hua Zdoi
10.1016/j.ecoenv.2003.09.001keywords:
subject
Has Abstractpub_date
2004-05-01 00:00:00pages
104-9issue
1eissn
0147-6513issn
1090-2414pii
S0147651303001726journal_volume
58pub_type
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