Title : The role of the aryl hydrocarbon receptor pathway in mediating synergistic developmental toxicity of polycyclic aromatic hydrocarbons to zebrafish.

Pub. Date : 2006 Aug

PMID : 16687390






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1 The role of the aryl hydrocarbon receptor pathway in mediating synergistic developmental toxicity of polycyclic aromatic hydrocarbons to zebrafish. Polycyclic Aromatic Hydrocarbons aryl hydrocarbon receptor 1a Danio rerio
2 Another class of AHR agonists of increasing concern because of their known toxicity and ubiquity in the environment is the polycyclic aromatic hydrocarbons (PAHs). Polycyclic Aromatic Hydrocarbons aryl hydrocarbon receptor 1a Danio rerio
3 Another class of AHR agonists of increasing concern because of their known toxicity and ubiquity in the environment is the polycyclic aromatic hydrocarbons (PAHs). Polycyclic Aromatic Hydrocarbons aryl hydrocarbon receptor 1a Danio rerio
4 As observed in previous studies with killifish (Fundulus heteroclitus), we demonstrate here that coexposure of zebrafish (Danio rerio) embryos to the PAH-type AHR agonist beta-naphthoflavone (BNF) and the CYP1A inhibitor alpha-naphthoflavone (ANF) significantly enhanced toxicity above that observed for single-compound exposures. Polycyclic Aromatic Hydrocarbons aryl hydrocarbon receptor 1a Danio rerio
5 In order to elucidate the role of the AHR pathway in mediating synergistic toxicity of PAH mixtures to early life stages, we used a morpholino approach to knock down expression of zebrafish AHR2 and CYP1A proteins during development. Polycyclic Aromatic Hydrocarbons aryl hydrocarbon receptor 1a Danio rerio