Effect of ivermectin on the liver of gilthead sea bream Sparus aurata: A proteomic approach

TitleEffect of ivermectin on the liver of gilthead sea bream Sparus aurata: A proteomic approach
Publication TypeJournal Article
Year of Publication2010
AuthorsVaró, I, Rigos G, Navarro JC, Del Ramo J, Calduch-Giner J, Hernández A, Pertusa J, Torreblanca A
JournalChemosphere
Volume80
Issue5
Pages570 - 577
Keywords2D-DIGE, Gilthead seabream, Ivermectin, Mass spectrometry (MS), New biomarkers, Proteomics
Abstract

Gilthead sea bream Sparus aurata is the most commercialized Mediterranean aquacultured fish species. Ivermectin has recently (experimentally) started to be used to control ectoparasitic infestations in Mediterranean cultured marine fish. The potential hepatotoxicity of ivermectin was investigated in gilthead sea bream juveniles (35g) following oral administration at the recommended dose of 0.2mg kg -1 fish for 10d. Difference Gel Electrophoresis Technology (DIGE) was used to study the effect of this treatment in gilthead sea bream liver protein profile under routine culture conditions. The 2D-DIGE protein maps obtained were analyzed using the DeCyder 6.5 software. The results obtained showed significant changes in the expression of 36 proteins respect to the control group. Among these proteins, six increased in abundance, and 30 decreased. Spot showing differential expression respect to the control were analyzed by mass spectrometry and database search, which resulted in three positive identifications corresponding to hepatic proteins involved in lipid metabolism (apoA-I), oxidative stress responses and energy generation (beta-globin, ATP synthase subunit beta). These proteins have not been previously associated to invermectin effect. © 2010 Elsevier Ltd.

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