Title : Knockdown of AHR1A but not AHR1B exacerbates PAH and PCB-126 toxicity in zebrafish (Danio rerio) embryos.

Pub. Date : 2013 Oct 15

PMID : 24084256






8 Functional Relationships(s)
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1 The zebrafish (Danio rerio) has three identified AHRs: AHR1A and AHR1B, the roles of which are not yet well elucidated, and AHR2, which has been shown to mediate the toxicity of various anthropogenic compounds including dioxins, polychlorinated biphenyls (PCBs), and polycyclic aromatic hydrocarbons (PAHs). Dioxins aryl hydrocarbon receptor 2 Danio rerio
2 The zebrafish (Danio rerio) has three identified AHRs: AHR1A and AHR1B, the roles of which are not yet well elucidated, and AHR2, which has been shown to mediate the toxicity of various anthropogenic compounds including dioxins, polychlorinated biphenyls (PCBs), and polycyclic aromatic hydrocarbons (PAHs). Polychlorinated Biphenyls aryl hydrocarbon receptor 2 Danio rerio
3 The zebrafish (Danio rerio) has three identified AHRs: AHR1A and AHR1B, the roles of which are not yet well elucidated, and AHR2, which has been shown to mediate the toxicity of various anthropogenic compounds including dioxins, polychlorinated biphenyls (PCBs), and polycyclic aromatic hydrocarbons (PAHs). Polychlorinated Biphenyls aryl hydrocarbon receptor 2 Danio rerio
4 The zebrafish (Danio rerio) has three identified AHRs: AHR1A and AHR1B, the roles of which are not yet well elucidated, and AHR2, which has been shown to mediate the toxicity of various anthropogenic compounds including dioxins, polychlorinated biphenyls (PCBs), and polycyclic aromatic hydrocarbons (PAHs). Polycyclic Aromatic Hydrocarbons aryl hydrocarbon receptor 2 Danio rerio
5 The zebrafish (Danio rerio) has three identified AHRs: AHR1A and AHR1B, the roles of which are not yet well elucidated, and AHR2, which has been shown to mediate the toxicity of various anthropogenic compounds including dioxins, polychlorinated biphenyls (PCBs), and polycyclic aromatic hydrocarbons (PAHs). Polycyclic Aromatic Hydrocarbons aryl hydrocarbon receptor 2 Danio rerio
6 As has been shown previously, knockdown of AHR2 resulted in protection from PAH- and PCB-induced cardiac deformities and prevented CYP1 enzyme activity in exposed embryos. Polycyclic Aromatic Hydrocarbons aryl hydrocarbon receptor 2 Danio rerio
7 As has been shown previously, knockdown of AHR2 resulted in protection from PAH- and PCB-induced cardiac deformities and prevented CYP1 enzyme activity in exposed embryos. Polychlorinated Biphenyls aryl hydrocarbon receptor 2 Danio rerio
8 In contrast, co-knockdown of AHR1A and AHR2 did protect from PCB-126-induced deformities. 3,3',4,4',5-Pentachlorobiphenyl aryl hydrocarbon receptor 2 Danio rerio