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Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
agricultural and biological sciences
Acute effects of cadmium on liver phase I and phase II enzymes and metallothionein accumulation on sea bream Sparus aurata
Fish Physiology and Biochemistry, Volume 34, No. 3, Year 2008
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Description
This research was designed to study Sparus aurata (sea bream) biotransformation and detoxification responses to acute exposure to cadmium (Cd). Sexually immature gilthead sea bream were treated by intraperitoneal injection of Cd chloride (200 μg kg-1) for 6, 12, 24 and 48 h. Cd accumulation was quantified in sea bream liver by graphite furnace atomic absorption spectroscopy after the various exposure periods. The following biological responses were measured: (1) ethoxyresorufin-O-deethylase (EROD) activity as phase I biotransformation parameter, (2) liver glutathione-S-transferase (GST) activity as a phase II conjugation enzyme and metallothionein (MT) content as specific response to Cd contamination. Cd bioaccumulation in the liver resulted in an increasing uptake up to 10.3 μg g-1 wet weight after 48 h of exposure. EROD showed a significant activation only after 6 h exposure and a return to control levels after 12 h. GST revealed significant activation starting from 12 h exposure. MT accumulation in liver showed the same behavior as GST activation. © Springer Science+Business Media B.V. 2007.
Authors & Co-Authors
Bouraoui, Zied
Tunisia, Sousse
Institut Supérieur Agronomique
Banni, Mohamed
Tunisia, Sousse
Institut Supérieur Agronomique
Tunisia, Sousse
Higher Institute of Horticulture
Ghedira, Jihene
Tunisia, Sousse
Institut Supérieur Agronomique
Clérandeau, Christelle
France, Bordeaux
Université de Bordeaux
Guerbèj, Hamadi
Tunisia, Tunis
University of Carthage, Institut National Des Sciences et Technologies de la Mer
Narbonne, Jean François
France, Bordeaux
Université de Bordeaux
Boussetta, Hamadi
Tunisia, Sousse
Institut Supérieur Agronomique
Tunisia, Sousse
Higher Institute of Horticulture
Statistics
Citations: 52
Authors: 7
Affiliations: 4
Identifiers
Doi:
10.1007/s10695-007-9177-y
ISSN:
09201742