Retene causes multifunctional transcriptomic changes in the heart of rainbow trout (Oncorhynchus mykiss) embryos
Vehniäinen, E.-R., Bremer, K., Scott, J. A., Junttila, S., Laiho, A., Gyenesei, A., Hodson, P. V., & Oikari, A. (2016). Retene causes multifunctional transcriptomic changes in the heart of rainbow trout (Oncorhynchus mykiss) embryos. Environmental Toxicology and Pharmacology, 41, 95-102. https://doi.org/10.1016/j.etap.2015.11.015
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Environmental Toxicology and PharmacologyAuthors
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2016Copyright
© Elsevier. This is a final draft version of an article whose final and definitive version has been published by Elsevier.
Fish are particularly sensitive to aryl hydrocarbon receptor (AhR)-mediated developmental toxicity. The molecular mechanisms behind these adverse effects have remained largely unresolved in salmonids, and for AhR-agonistic polycyclic aromatic hydrocarbons (PAHs). This study explored the cardiac transcriptome of rainbow trout (Oncorhynchus mykiss) eleuteroembryos exposed to retene, an AhR-agonistic PAH. The embryos were exposed to retene (nominal concentration 32 μg/L) and control, their hearts were collected before, at and after the onset of the visible signs of developmental toxicity, and transcriptomic changes were studied by microarray analysis. Retene up- or down-regulated 122 genes. The largest Gene Ontology groups were signal transduction, transcription, apoptosis, cell growth, cytoskeleton, cell adhesion/mobility, cardiovascular development, xenobiotic metabolism, protein metabolism, lipid metabolism and transport, and amino acid metabolism. Together these findings suggest that retene affects multiple signaling cascades in the heart of rainbow trout embryos, and potentially disturbs processes related to cardiovascular development and function.
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Elsevier BVISSN Search the Publication Forum
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https://converis.jyu.fi/converis/portal/detail/Publication/25363661
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