Perivascular inflammatory cells in ovine Visna/maedi encephalitis and their possible role in virus infection and lesion progression
6 Páginas.
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Language: | English |
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2012
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Subjects: | Maedi, Visna, Sheep, Encephalitis, Neuropathology, Immunology, |
Online Access: | http://hdl.handle.net/10261/73109 |
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dig-igm-es-10261-731092021-04-13T14:53:32Z Perivascular inflammatory cells in ovine Visna/maedi encephalitis and their possible role in virus infection and lesion progression Polledo, Laura González, J. Benavides, Julio Martínez-Fernández, B. Ferreras, Mª del Carmen García Marín, Juan Francisco Maedi Visna Sheep Encephalitis Neuropathology Immunology 6 Páginas. We examined the distribution in the perivascular spaces of Visna/maedi antigen, T cells (CD3+, CD4+ and CD8+), B cells and macrophages by immunohistochemistry in 22 natural cases of Visna/maedi encephalitis. Sheep showed lymphocytic or histiocytic lesions. In mild lymphocytic lesions, the viral antigen was detected in perivascular cuffs where CD8+ T cells predominated, but in severe lymphocytic lesions, sparse antigen was identified, and CD8+/CD4+ T cells appeared in a similar proportion in multilayer perivascular sleeves. In histiocytic lesions, vessels were surrounded by macrophages with abundant viral antigen, with CD8+/CD4+ T cells and B cells in the periphery. These results could reflect different stages of virus neuroinvasion and clarify the neuropathogenesis of Visna/maedi encephalitis. Spanish Ministry of Education AGL2007-66874-CO4-04/GAN Junta of Castilla y Leon LE36A12-1 Ministry of Education AP2007-02007 Peer reviewed 2013-03-27T12:03:04Z 2013-03-27T12:03:04Z 2012 artículo http://purl.org/coar/resource_type/c_6501 Journal of Neurovirology 18(6): 532-537 (2012) 1355-0284 http://hdl.handle.net/10261/73109 10.1007/s13365-012-0131-0 en http://dx.doi.org/10.1007/s13365-012-0131-0 open Springer |
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Maedi Visna Sheep Encephalitis Neuropathology Immunology Maedi Visna Sheep Encephalitis Neuropathology Immunology |
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Maedi Visna Sheep Encephalitis Neuropathology Immunology Maedi Visna Sheep Encephalitis Neuropathology Immunology Polledo, Laura González, J. Benavides, Julio Martínez-Fernández, B. Ferreras, Mª del Carmen García Marín, Juan Francisco Perivascular inflammatory cells in ovine Visna/maedi encephalitis and their possible role in virus infection and lesion progression |
description |
6 Páginas. |
format |
artículo |
topic_facet |
Maedi Visna Sheep Encephalitis Neuropathology Immunology |
author |
Polledo, Laura González, J. Benavides, Julio Martínez-Fernández, B. Ferreras, Mª del Carmen García Marín, Juan Francisco |
author_facet |
Polledo, Laura González, J. Benavides, Julio Martínez-Fernández, B. Ferreras, Mª del Carmen García Marín, Juan Francisco |
author_sort |
Polledo, Laura |
title |
Perivascular inflammatory cells in ovine Visna/maedi encephalitis and their possible role in virus infection and lesion progression |
title_short |
Perivascular inflammatory cells in ovine Visna/maedi encephalitis and their possible role in virus infection and lesion progression |
title_full |
Perivascular inflammatory cells in ovine Visna/maedi encephalitis and their possible role in virus infection and lesion progression |
title_fullStr |
Perivascular inflammatory cells in ovine Visna/maedi encephalitis and their possible role in virus infection and lesion progression |
title_full_unstemmed |
Perivascular inflammatory cells in ovine Visna/maedi encephalitis and their possible role in virus infection and lesion progression |
title_sort |
perivascular inflammatory cells in ovine visna/maedi encephalitis and their possible role in virus infection and lesion progression |
publisher |
Springer |
publishDate |
2012 |
url |
http://hdl.handle.net/10261/73109 |
work_keys_str_mv |
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