期刊
AQUATIC TOXICOLOGY
卷 90, 期 2, 页码 83-91出版社
ELSEVIER
DOI: 10.1016/j.aquatox.2008.07.019
关键词
Flounder; Microarray; Fish; Ecotoxicogenomics; Cd; Polycyclic aromatic hydrocarbon; PCB; Oxidative stress; Lindane; Peroxisome proliferators
资金
- EU 'GENIPOL' [EKV-2001-0057]
- UK NERC [NE/C507661/1]
- BBSRC [6/JIF 13209, G.4500017]
- Natural Environment Research Council [NE/C507688/1, NE/C507661/1, NE/C507702/1, NE/C50767X/1, NE/C507710/1] Funding Source: researchfish
The temporal transcriptomic responses in liver of Platichthys flesus to model environmental pollutants were studied over a 16-day time span after intraperitoneal injection with cadmium chloride (50 mu g/kg in saline), 3-methylcholanthrene (25 mg/kg in olive oil), Aroclor 1254 (50 mg/kg in olive oil), tert-butylhydroperoxide (5 mg/kg in saline), Lindane (25 mg/kg in olive oil), perfluoro-octanoic acid (100 mg/kg in olive oil) and their vehicles, olive oil (1 ml/kg) or saline (0.9%). Statistical, gene ontology and supervised analysis clearly demonstrated the progression from acute effects, biological responses to and recovery from the treatments. Key biological processes disturbed by the individual treatments were characterised by gene ontology analyses and individual toxicant-responsive genes and pathways were identified by supervised analyses. Responses to the polyaromatic and chlorinated aromatic compounds showed a degree of commonality but were distinguishable and they were clearly segregated from the responses to the pro-oxidants cadmium and the organic hydroperoxide, as well as from the peroxisomal proliferator, perfluoro-octanoic acid. This study demonstrated the utility of the microarray technique in the identification of toxicant-responsive genes and in discrimination between modes of toxicant action. (c) 2008 Elsevier B.V. All rights reserved.
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