Mucosal immunization against ovine lentivirus using PEI-DNA complexes and modified vaccinia Ankara encoding the gag and/or env genes
Reina, Ramsés et al.
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Elsevier
2008-08-18
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| Subjects: | Sheep, Mucosal, DNA vaccination, Lentivirus, |
| Online Access: | http://hdl.handle.net/10261/114274 http://dx.doi.org/10.13039/501100000780 http://dx.doi.org/10.13039/501100007273 http://dx.doi.org/10.13039/501100000848 |
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dig-idab-es-10261-1142742017-01-18T10:59:12Z Mucosal immunization against ovine lentivirus using PEI-DNA complexes and modified vaccinia Ankara encoding the gag and/or env genes Reina, Ramsés Andrés, Ximena de Solano Goñi, Cristina Crespo, Helena Glaria, Idoia Andrés, Damián F. de Amorena Zabalza, Beatriz Harkiss, Gordon D. European Commission Comisión Interministerial de Ciencia y Tecnología, CICYT (España) Ministerio de Educación y Ciencia (España) University of Edinburgh Sheep Mucosal DNA vaccination Lentivirus Reina, Ramsés et al. Sheep were immunized against Visna/Maedi virus (VMV) gag and/or env genes via the nasopharynx-associated lymphoid tissue (NALT) and lung using polyethylenimine (PEI)-DNA complexes and modified vaccinia Ankara, and challenged with live virus via the lung. env immunization enhanced humoral responses prior to but not after VMV challenge. Systemic T cell proliferative and cytotoxic responses were generally low, with the responses following single gag gene immunization being significantly depressed after challenge. A transient reduction in provirus load in the blood early after challenge was observed following env immunization, whilst the gag gene either alone or in combination with env resulted in significantly elevated provirus loads in lung. However, despite this, a significant reduction in lesion score was observed in animals immunized with the single gag gene at post-mortem. Inclusion of IFN-γ in the immunization mixture in general had no significant effects. The results thus showed that protective effects against VMV-induced lesions can be induced following respiratory immunization with the single gag gene, though this was accompanied by an increased pulmonary provirus load. © 2008 Elsevier Ltd. All rights reserved. This study was supported by grants from European Union (QLK2-CT-2002-00617) and Spanish CICYT (AGL2003-08977-C03-01 and AGL2006-13410C-06/01/GAN). Ramsés Reina and Ximena de Andrés were supported by a fellowship FPI from the Spanish Ministry of Science and Education. Tom McNeilly was supported by a Ph.D. studentship from the Royal (Dick) College of Veterinary Studies, University of Edinburgh. Peer Reviewed 2015-04-27T11:16:38Z 2015-04-27T11:16:38Z 2008-08-18 2015-04-27T11:16:38Z artículo http://purl.org/coar/resource_type/c_6501 doi: 10.1016/j.vaccine.2008.06.065 issn: 0264-410X Vaccine 26: 4494-4505 (2008) http://hdl.handle.net/10261/114274 10.1016/j.vaccine.2008.06.065 http://dx.doi.org/10.13039/501100000780 http://dx.doi.org/10.13039/501100007273 http://dx.doi.org/10.13039/501100000848 http://dx.doi.org/10.1016/j.vaccine.2008.06.065 Sí none Elsevier |
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| topic |
Sheep Mucosal DNA vaccination Lentivirus Sheep Mucosal DNA vaccination Lentivirus |
| spellingShingle |
Sheep Mucosal DNA vaccination Lentivirus Sheep Mucosal DNA vaccination Lentivirus Reina, Ramsés Andrés, Ximena de Solano Goñi, Cristina Crespo, Helena Glaria, Idoia Andrés, Damián F. de Amorena Zabalza, Beatriz Harkiss, Gordon D. Mucosal immunization against ovine lentivirus using PEI-DNA complexes and modified vaccinia Ankara encoding the gag and/or env genes |
| description |
Reina, Ramsés et al. |
| author2 |
European Commission |
| author_facet |
European Commission Reina, Ramsés Andrés, Ximena de Solano Goñi, Cristina Crespo, Helena Glaria, Idoia Andrés, Damián F. de Amorena Zabalza, Beatriz Harkiss, Gordon D. |
| format |
artículo |
| topic_facet |
Sheep Mucosal DNA vaccination Lentivirus |
| author |
Reina, Ramsés Andrés, Ximena de Solano Goñi, Cristina Crespo, Helena Glaria, Idoia Andrés, Damián F. de Amorena Zabalza, Beatriz Harkiss, Gordon D. |
| author_sort |
Reina, Ramsés |
| title |
Mucosal immunization against ovine lentivirus using PEI-DNA complexes and modified vaccinia Ankara encoding the gag and/or env genes |
| title_short |
Mucosal immunization against ovine lentivirus using PEI-DNA complexes and modified vaccinia Ankara encoding the gag and/or env genes |
| title_full |
Mucosal immunization against ovine lentivirus using PEI-DNA complexes and modified vaccinia Ankara encoding the gag and/or env genes |
| title_fullStr |
Mucosal immunization against ovine lentivirus using PEI-DNA complexes and modified vaccinia Ankara encoding the gag and/or env genes |
| title_full_unstemmed |
Mucosal immunization against ovine lentivirus using PEI-DNA complexes and modified vaccinia Ankara encoding the gag and/or env genes |
| title_sort |
mucosal immunization against ovine lentivirus using pei-dna complexes and modified vaccinia ankara encoding the gag and/or env genes |
| publisher |
Elsevier |
| publishDate |
2008-08-18 |
| url |
http://hdl.handle.net/10261/114274 http://dx.doi.org/10.13039/501100000780 http://dx.doi.org/10.13039/501100007273 http://dx.doi.org/10.13039/501100000848 |
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