ArticleAquatic toxicology (Amsterdam, Netherlands)2015
Regulation of Ahr signaling by Nrf2 during development: Effects of Nrf2a deficiency on PCB126 embryotoxicity in zebrafish (Danio rerio).
Article in Aquatic toxicology (Amsterdam, Netherlands), 2015. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 34 papers.
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Who cites it
34 citing papers in PubMed, 56 citations in OpenAlex.
- Model organisms for investigating the functional involvement of NRF2 in non-communicable diseases.Redox biology · 2025Review
- Fine particulate matter‑induced cardiac developmental toxicity (Review).Experimental and therapeutic medicine · 2025Review
- Activation of Nrf2 at Critical Windows of Development Alters Tissue-Specific ProteinAntioxidants (Basel, Switzerland) · 2024Article
- Maternal PFOS exposure affects offspring development in Nrf2-dependent and independent ways in zebrafish (Danio rerio).Aquatic toxicology (Amsterdam, Netherlands) · 2024Article
- Cocktail effects of clothianidin and imidacloprid in zebrafish embryonic development, with high and low concentrations of mixtures.Frontiers in toxicology · 2024Article
- Developmental impacts of Nrf2 activation by dimethyl fumarate (DMF) in the developing zebrafish (Danio rerio) embryo.Free radical biology & medicine · 2023Article
- The Zebrafish (Danio rerio) Embryo Model as a Tool to Assess Drinking Water Treatment Efficacy for Freshwater Impacted by Crude Oil Spill.Environmental toxicology and chemistry · 2022Article
- Nrf2a dependent and independent effects of early life exposure to 3,3'-dichlorobiphenyl (PCB-11) in zebrafish (Danio rerio).Aquatic toxicology (Amsterdam, Netherlands) · 2022Article
- Transcriptome analysis reveals the importance of exogenous nutrition in regulating antioxidant defenses during the mouth-opening stage in oviparous fish.Fish physiology and biochemistry · 2021Article
- Oxidative stress inducers potentiate 2,3,7,8-tetrachlorodibenzo-p-dioxin-mediated pre-cardiac edema in larval zebrafish.The Journal of veterinary medical science · 2021Article
- The ecotoxicological contaminant tris(4-chlorophenyl)methanol (TCPMOH) impacts embryonic development in zebrafish (Danio rerio).Aquatic toxicology (Amsterdam, Netherlands) · 2021Article
- The chemical defensome of five model teleost fish.Scientific reports · 2021Article
- Embryonic exposures to mono-2-ethylhexyl phthalate induce larval steatosis in zebrafish independent of Nrf2a signaling.Journal of developmental origins of health and disease · 2021Article
- Lack of Offspring Nrf2 Does Not Exacerbate the Detrimental Metabolic Outcomes Caused byFrontiers in endocrinology · 2021Article
- Modulating glutathione thiol status alters pancreatic β-cell morphogenesis in the developing zebrafish (Danio rerio) embryo.Redox biology · 2021Article
- A Review of the Functional Roles of the Zebrafish Aryl Hydrocarbon Receptors.Toxicological sciences : an official journal of the Society of Toxicology · 2020Review
- The sulfate metabolite of 3,3'-dichlorobiphenyl (PCB-11) impairs Cyp1a activity and increases hepatic neutral lipids in zebrafish larvae (Danio rerio).Chemosphere · 2020Article
- CRISPR-Generated Nrf2a Loss- and Gain-of-Function Mutants Facilitate Mechanistic Analysis of Chemical Oxidative Stress-Mediated Toxicity in Zebrafish.Chemical research in toxicology · 2020Article
- Nrf2 and HIF1α converge to arsenic-induced metabolic reprogramming and the formation of the cancer stem-like cells.Theranostics · 2020Article
- The emerging contaminant 3,3'-dichlorobiphenyl (PCB-11) impedes Ahr activation and Cyp1a activity to modify embryotoxicity of Ahr ligands in the zebrafish embryo model (Danio rerio).Environmental pollution (Barking, Essex : 1987) · 2019Article
Corrections and comments
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Authors and funding
6 authors at 2 institutions in 1 country.
Funding
Abstract
The embryotoxicity of co-planar PCBs is regulated by the aryl hydrocarbon receptor (Ahr), and has been reported to involve oxidative stress. Ahr participates in crosstalk with another transcription factor, Nfe2l2, or Nrf2. Nrf2 binds to antioxidant response elements to regulate the adaptive response to oxidative stress. To explore aspects of the crosstalk between Nrf2 and Ahr and its impact on development, we used zebrafish (Danio rerio) with a mutated DNA binding domain in Nrf2a (nrf2a(fh318/fh318)), rendering these embryos more sensitive to oxidative stress. Embryos were exposed to 2 nM or 5 nM PCB126 at 24 h post fertilization (prim-5 stage of pharyngula) and examined for gene expression and morphology at 4 days post fertilization (dpf; protruding - mouth stage). Nrf2a mutant eleutheroembryos were more sensitive to PCB126 toxicity at 4 dpf, and in the absence of treatment also displayed some subtle developmental differences from wildtype embryos, including delayed inflation of the swim bladder and smaller yolk sacs. We used qPCR to measure changes in expression of the nrf gene family, keap1a, keap1b, the ahr gene family, and known target genes. cyp1a induction by PCB126 was enhanced in the Nrf2a mutants (156-fold in wildtypes vs. 228-fold in mutants exposed to 5 nM). Decreased expression of heme oxygenase (decycling) 1 (hmox1) in the Nrf2a mutants was accompanied by increased nrf2b expression. Target genes of Nrf2a and AhR2, NAD(P)H:quinone oxidoreductase 1 (nqo1) and glutathione S-transferase, alpha-like (gsta1), showed a 2-5-fold increase in expression in the Nrf2a mutants as compared to wildtype. This study elucidates the interaction between two important transcription factor pathways in the developmental toxicity of co-planar PCBs.
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