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Immune characterization of long pentraxin 3 in pigs infected with influenza virus

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Issue date
2014
Author
Crisci, Elisa
Fraile Sauce, Lorenzo José
Valentino, Sonia
Martínez Guinó, Laura
Bottazzi, Barbara
Mantovani, Alberto
Montoya, Maria
Suggested citation
Crisci, Elisa; Fraile Sauce, Lorenzo José; Valentino, Sonia; Martínez Guinó, Laura; Bottazzi, Barbara; Mantovani, Alberto; Montoya, Maria; . (2014) . Immune characterization of long pentraxin 3 in pigs infected with influenza virus. Veterinary Microbiology, 2014, vol. 168, núm. 1, p. 185-192. https://doi.org/10.1016/j.vetmic.2013.10.004.
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Abstract
Long pentraxin 3 (PTX3) is a conserved pattern-recognition secreted protein and a host-defence-related component of the humoral innate immune system. The aim of the present study was to characterize swine PTX3 (SwPTX3) protein expression in influenza virus infected pigs. First, we performed in silico studies to evaluate the cross-reactivity of PTX3 human antibodies against SwPTX3. Secondly, we used in vitro analysis to detect SwPTX3 presence in swine bone marrow dendritic cells (SwBMDC) upon stimulation with different agents by Western blot and immunofluorescence. Finally, the levels of SwPTX3 were assessed in experimental infection of pigs with different strains of influenza virus. This is a novel study where the expression of SwPTX3 was evaluated in the context of a pathogen infection. The initial characterization of SwPTX3 in influenza virus infected pigs contributes to understand the role of PTX proteins in the immune response.
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http://hdl.handle.net/10459.1/58485
DOI
https://doi.org/10.1016/j.vetmic.2013.10.004
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Veterinary Microbiology, 2014, vol. 168, núm. 1, p. 185-192
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