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Título: | Interleukin gene expression is strongly modulated at the local level in a fish-parasite model |
Autor: | Pérez-Cordón, G. CSIC ORCID; Estensoro, Itziar CSIC ORCID; Benedito-Palos, Laura CSIC; Calduch-Giner, Josep A. CSIC ORCID; Sitjà-Bobadilla, Ariadna CSIC ORCID ; Pérez-Sánchez, Jaume CSIC ORCID | Palabras clave: | Myxozoa Enteromyxum leei Sparus aurata Cytokines Intestine |
Fecha de publicación: | abr-2014 | Editor: | Academic Press | Citación: | Fish and Shellfish Immunology 37(2): 201-208 (2014) | Resumen: | The goal of this work was to identify interleukin (IL)-related genes in the gilthead sea bream (GSB) (Sparus aurata L.) and how they are modulated by the parasite Enteromyxum leei, a myxozoan that causes severe enteritis with a strong inflammatory response. A Blast-X search of our transcriptomic GSB database (www.nutrigroup-iats.org/seabreamdb) identified 16 new sequences encompassing seven ILs (IL-7, IL-8, IL-10, IL-12β, IL-15, IL-18, and IL-34), the interleukin enhancer-binding factor 2 (ILF2), and eight IL receptors (IL-R); IL-R1, IL-6RA, IL-6RB, IL-8RA, IL-10RA, IL-10RB, IL-18R1, and IL-22R. Except for ILF2, their expression, plus that of IL-1β, IL-1R2, IL-6, and TNF-α (from public repositories), were analysed by 96-well PCR array of samples of blood, spleen, head kidney, and intestine of GSB that were anally intubated with E.leei (recipient group, RCPT). Only the expression profile of the intestine of RCPT fish showed significant difference as compared to samples from PBS-inoculated fish. At 17 days post intubation (dpi), the expression of key pro-inflammatory ILs, such as IL-8, IL-8R, IL-12β, and TNFα was significantly up-regulated, whereas at 64dpi, anti-inflammatory IL expression (IL-6, IL-6RB, IL-7, IL-10, IL-10RA, and IL-15) was predominant. These results indicate a modification of the IL expression at late times post infection, probably to protect the fish intestine from the parasite and damage inflicted by an excessive inflammatory response. Furthermore, the response is mainly mediated at the local level as no significant changes were detected in blood, spleen and head kidney. © 2014 Elsevier Ltd. | Versión del editor: | http://dx.doi.org/10.1016/j.fsi.2014.01.022 | URI: | http://hdl.handle.net/10261/95596 | DOI: | 10.1016/j.fsi.2014.01.022 | Identificadores: | doi: 10.1016/j.fsi.2014.01.022 issn: 1050-4648 |
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interleukin_gene_expression_Perez.pdf | 1,01 MB | Adobe PDF | Visualizar/Abrir |
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