Differential gene expression in the brain of Sebastiscus marmoratus in response to exposure to polychlorinated biphenyls (PCBs) |
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| Institution: | 1. Center for Marine Environmental Studies (CMES), Ehime University, Bunkyo-cho 2-5, Matsuyama, Ehime 790-8577, Japan;2. Chiba University, Center for Preventive Medical Sciences, Inage-ku Yayoi-cho 1, -33 Chiba-city, Japan;3. Environmental Health Research Department, National Institute of Environmental Research, Incheon 404-708, Republic of Korea;4. Laboratory of Environmental Analytical Chemistry, Department of Science and Technology for Biological Resources and Environment, Graduate School of Agriculture, Ehime University, Tarumi 3-5-7, Matsuyama, Ehime 790-8566, Japan;1. Programa de Pós-graduação em Zootecnia, Faculdade de Ciências Agrárias e Veterinárias, Universidade Estadual Paulista, Jaboticabal, SP 14.884-900, Brazil;2. Grupo de Estudos e Pesquisas em Etologia e Ecologia Animal, Departamento de Zootecnia, Faculdade de Ciências Agrárias e Veterinárias, Universidade Estadual Paulista, Jaboticabal, SP 14.884-900, Brazil;3. Royal Veterinary College, University of London, United Kingdom;4. EMBRAPA Swine and Poultry, BR 153, Km 110, Concórdia 89700-991, Brazil |
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| Abstract: | Effects of exposure to polychlorinated biphenyls (PCBs) on Sebastiscus marmoratus were investigated using a suppression subtractive hybridization method. A total of 108 gene sequences were identified as having the potential for being differentially expressed, and 45 could be identified with homologous database sequences. Functions with which they were associated included long-term potentiation and neurotransmitter release, neuroendocrine, mitosis and cell proliferation, energy-related metabolism, general metabolism, signal protein, hemopoiesis system, immune system, and structure. The expression of 17 of these genes was analyzed in the brain using real time fluorescent quantitative PCR. The present study provided a basis for studying the response of fish to PCB exposure and allowed the characterization of new potential neurotoxicol biomarkers of PCB contamination in seawater. |
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