Publication: Influence of adult Anguillicoloides crassus load in European eels swimbladder on macrophage response
Authors
Muñoz, Pilar ; Peñalver, José ; Ruiz de Ybanez, R. ; Garcia, J.
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Publisher
Elsevier
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DOI
http://dx.doi.org/10.1016/j.fsi.2014.11.011
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info:eu-repo/semantics/article
Description
©2014.
This document is the Published, version of a Published Work that appeared in final form in Fish & Shellfish Immunology To access the final edited and published work see http://dx.doi.org/10.1016/j.fsi.2014.11.011
Abstract
Anguillicoloides crassus has become one of the most important threats to the European eel (Anguilla
anguilla). Adult parasites colonize the swimbladder leading to an impaired functioning of this organ. The
infection is also responsible for an increased in the stress level of infected eels, that could produce an
altered immune response as well. Differences in parasite loads and effects in the European and Japanese
eel (Anguilla japonica) have been described. We have studied the influence of the number of adult
parasites present in the swimbladder of wild eels on the macrophage response (phagocytosis and respiratory burst) as part of the first immune response to pathogens. Our results show an increased phagocytozed bacterial survival 24 h post-infection in macrophages of eels infected with more than ten adult parasites compared to macrophages from eels infected with less than those ten adult parasites. Respiratory burst results also showed a less efficient response in macrophages from eels infected with more than ten adult parasites, although in this case results were not found to be significant.
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