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dc.contributor.authorAsín, J.es_ES
dc.contributor.authorMolín, Jéssicaes_ES
dc.contributor.authorPérez, Marta M.es_ES
dc.contributor.authorPinczowski, Pedroes_ES
dc.contributor.authorGimeno, Marinaes_ES
dc.contributor.authorNavascués, Nuriaes_ES
dc.contributor.authorMuniesa, Anaes_ES
dc.contributor.authorBlas, Ignacio dees_ES
dc.contributor.authorLacasta, Deliaes_ES
dc.contributor.authorFernández, Antonioes_ES
dc.contributor.authorPablo, Lorena dees_ES
dc.contributor.authorMold, Matthewes_ES
dc.contributor.authorExley, Christopheres_ES
dc.contributor.authorAndrés, Damián F. dees_ES
dc.contributor.authorReina, Ramséses_ES
dc.contributor.authorLuján, Lluíses_ES
dc.date.accessioned2019-09-30T11:39:53Z-
dc.date.available2019-09-30T11:39:53Z-
dc.date.issued2019-
dc.identifier.citationVeterinary Pathology 56(3): 418–428 (2019)es_ES
dc.identifier.issn1865-1674-
dc.identifier.issn0300-9858-
dc.identifier.urihttp://hdl.handle.net/10261/191869-
dc.description.abstractThe use of vaccines including aluminum (Al)–based adjuvants is widespread among small ruminants and other animals. They are associated with the appearance of transient injection site nodules corresponding to granulomas. This study aims to characterize the morphology of these granulomas, to understand the role of the Al adjuvant in their genesis, and to establish the presence of the metal in regional lymph nodes. A total of 84 male neutered lambs were selected and divided into 3 treatment groups of 28 animals each: (1) vaccine (containing Al-based adjuvant), (2) adjuvant-only, and (3) control. A total of 19 subcutaneous injections were performed in a time frame of 15 months. Granulomas and regional lymph nodes were evaluated by clinicopathological means. All of the vaccine and 92.3% of the adjuvant-only lambs presented injection-site granulomas; the granulomas were more numerous in the group administered the vaccine. Bacterial culture in granulomas was always negative. Histologically, granulomas in the vaccine group presented a higher degree of severity. Al was specifically identified by lumogallion staining in granulomas and lymph nodes. Al median content was significantly higher (P < .001) in the lymph nodes of the vaccine group (82.65 μg/g) compared with both adjuvant-only (2.53 μg/g) and control groups (0.96 μg/g). Scanning transmission electron microscopy demonstrated aggregates of Al within macrophages in vaccine and adjuvant-only groups. In these two groups, Al-based adjuvants induce persistent, sterile, subcutaneous granulomas with macrophage-driven translocation of Al to regional lymph nodes. Local translocation of Al may induce further accumulation in distant tissues and be related to the appearance of systemic signs.es_ES
dc.language.isoenges_ES
dc.publisherSage Publicationses_ES
dc.rightsclosedAccesses_ES
dc.subjectAluminum-based adjuvantses_ES
dc.subjectGranulomaes_ES
dc.subjectMacrophagees_ES
dc.subjectSheepes_ES
dc.subjectLymph nodees_ES
dc.subjectVaccinees_ES
dc.titleGranulomas Following Subcutaneous Injection With Aluminum Adjuvant-Containing Products in Sheepes_ES
dc.typeartículoes_ES
dc.identifier.doi10.1177/0300985818809142-
dc.description.peerreviewedPeer reviewedes_ES
dc.relation.publisherversionhttps://doi.org/10.1177/0300985818809142es_ES
dc.identifier.e-issn1544-2217-
dc.relation.csices_ES
oprm.item.hasRevisionno ko 0 false*
dc.contributor.orcidMold, Matthew [0000-0002-4616-6204]es_ES
dc.contributor.orcidLuján, Lluís [0000-0002-2053-9842]es_ES
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