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ISSN : 2287-7991(Print)
ISSN : 2287-8009(Online)
Journal of the Preventive Veterinary Medicine Vol.41 No.4 pp.150-155
DOI : https://doi.org/10.13041/jpvm.2017.41.4.150

Bioprocessed polysaccharide from Lentinus edodes mycelia
cultures with turmeric represses the proinflammatory cytokine
expression of the porcine macrophage infected by
Salmonella Choleraesuis

Se Kye Kim, June Bong Lee, Dalmuri Han, Hyung Tae Lee, Seon Mi Wi, Jang Won Yoon
College of Veterinary Medicine & Institute of Veterinary Science, Kangwon National University

Abstract

Turmeric is known for its ability to enhance immunity via anti-inflammatory and anti-oxidant effects. Salmonella enterica species contain a large number of pathogenic serotypes that are adapted to a broad range of vertebrate hosts. Our previous study revealed that bioprocessed polysaccharides from the liquid culture Lentinus edodes fungal mycelia containing turmeric (BPP-turmeric) is able to alter chicken macrophage responses and increases chick survival against Salmonella enterica infection. In this study, we examined the immunomodulatory effects of BPP-turmeric on the porcine macrophage 3D4/31 cell line infected with Salmonella enterica subsp. enterica serovar Choleraesuis (S. Choleraesuis) or S. Enteritidis. Our experimental analyses demonstrated that BPP-turmeric (i) does not alter phagocytic and killing activity of 3D4/31 against either Salmonella serotypes, but that it (ii) represses mRNA transcription of interleukin (IL)-6, IL-8, and tumor necrosis factor α in response to Salmonella infection. Collectively, these results imply that BPP-turmeric has an immunomodulatory effect that represses pro-inflammatory cytokine expression in porcine macrophages, suggesting that it may protect swine from salmonellosis via controlling Salmonella-induced hyperinflammation.

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