Publication:
The seminal plasma of the boar is rich in cytokines, with significant individual and intra-ejaculate variation

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American J Rep Immunol - 2015 - Barranco - The Seminal Plasma of the Boar is Rich in Cytokines with Significant Individual.pdf(371.9 KB)
Date
2015-12
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Authors
Barranco Cascales, Isabel ; Rubér, Marie ; Pérez Patiño, Cristina ; Atikuzzaman, Mohammad ; Martínez García, Emilio ; Roca Aleu, Jorge ; Rodríguez Martínez, Heriberto
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Publisher
Wiley
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Medicina y Cirugía Animal
DOI
https://doi.org/10.1111/aji.12432
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info:eu-repo/semantics/article
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Abstract
Problem: The boar, as human, sequentially ejaculates sperm-rich and sperm-poor fractions. Seminal plasma (SP) spermadhesins (PSP-I/PSP-II) induce a primary endometrial inflammatory response in female sows, similar to that elicited by semen deposition in other species, including human. However, the SP is also known to mitigate such response, making it transient to allow for embryo entry to a cleansed endometrium. Although cytokine involvement has been claimed, the exploration of cytokines in different SP fractions is scarce. This study determines Th1, Th2, Th17 and Th3 cytokine profiles in specific ejaculate SP fractions from boars of proven fertility. Methods: SP samples from the sperm-rich fraction (SRF) and the sperm-poor post-SRF fraction (post-SRF) of manually collected ejaculates from eight boars (four ejaculates per boar) were analysed by commercial multiplex bead assay kits (Milliplex MAP, Millipore, USA) for interferon-γ, interferon gamma-induced protein 10, macrophage-derived chemokine, growth-regulated oncogene, granulocyte-macrophage colony-stimulating factor, monocyte chemo-attractant protein-1, interleukins (IL)-6, IL-8, IL-10, IL-15, IL-17 and transforming growth factor (TGF)-β1-β3. Results: Cytokine concentrations differed between the ejaculate fractions among boars, being highest in the post-SRF. Conclusion: Boar SP is rich in Th1, Th2, Th17 and Th3 cytokines, with lowest concentrations in the sperm-peak-containing fraction, indicating its main immune influence might reside in the larger, protein-rich sperm-poor post-SRF.
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Ejaculate fractions , Immunomodulatory molecules , Pig , Seminal plasma peptides
Citation
American Journal of Reproductive Immunology, 2015, Vol. 74, Issue 6, pp. 523-532
URI
http://hdl.handle.net/10201/166752
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