The cytochrome P450 1A1 response in fish: application of immunodetection in environmental monitoring and toxicological testing |
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| Authors: | Anders Goksyr Astrid-Mette Husy |
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| Institution: | Anders Goksøyr,Astrid-Mette Husøy, |
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| Abstract: | We have developed polyclonal and, recently, monoclonal antibodies against the aromatic hydrocarbon-inducible P450 1A1 form purified from Atlantic cod (Gadus morhua). A simple, indirect enzyme-linked immunosorbent assay (ELISA) based on these antibodies has been developed in our laboratory and tested in numerous experiments with both field-collected and laboratory-exposed fish of different species. The exposure situations studied to date include complex mixtures such as polychlorinated biphenyls (PCBs), dioxins and water-soluble oil fractions, as well as defined compounds such as CB congeners, TCDD, and pesticides. Factors affecting the induction response, including sexual maturation and dietary factors, have also been investigated. The ELISA technique generally shows good correlation with contaminant exposure and catalytic measurements, but has also given new and important information in certain cases where catalytic measurements failed to reveal effects. |
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