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In vitro transcriptome analysis of porcine choroid plexus epithelial cells in response to Streptococcus suis: release of pro-inflammatory cytokines and chemokines

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The Gram-positive zoonotic bacterium Streptococcus suis (S. suis) is responsible for a wide range of diseases including meningitis in pigs and humans. The blood-cerebrospinal fluid (CSF) barrier is constituted by the epithelial cells of the choroid plexus, which execute barrier function also after b...

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Main Authors: Schwerk, Christian (Author) , Adam, Rüdiger (Author) , Borkowski, Julia (Author) , Rudolph, Henriette (Author) , Klenk, Michael (Author) , Zink, Sascha (Author) , Bechtoldt, Natascha (Author) , Schmidt, Nicole (Author) , Stump-Guthier, Carolin (Author) , Sagar, Anubha (Author) , Spellerberg, Barbara (Author) , Tenenbaum, Tobias (Author) , Koczan, Dirk (Author) , Klein-Hitpass, Ludger (Author) , Schroten, Horst (Author)
Format: Article (Journal)
Language:English
Published: [October 2011]
In: Microbes and infection
Year: 2011, Volume: 13, Issue: 11, Pages: 953-962
ISSN:1769-714X
DOI:10.1016/j.micinf.2011.05.012
Online Access:Verlag, lizenzpflichtig, Volltext: https://doi.org/10.1016/j.micinf.2011.05.012
Verlag, lizenzpflichtig, Volltext: https://www.sciencedirect.com/science/article/pii/S1286457911001432
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Author Notes:Christian Schwerk, Rüdiger Adam, Julia Borkowski, Henriette Schneider, Michael Klenk, Sascha Zink, Natascha Quednau, Nicole Schmidt, Carolin Stump, Anubha Sagar, Barbara Spellerberg, Tobias Tenenbaum, Dirk Koczan, Ludger Klein-Hitpass, Horst Schroten
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Summary:The Gram-positive zoonotic bacterium Streptococcus suis (S. suis) is responsible for a wide range of diseases including meningitis in pigs and humans. The blood-cerebrospinal fluid (CSF) barrier is constituted by the epithelial cells of the choroid plexus, which execute barrier function also after bacteria have entered the central nervous system (CNS). We show that the bacterial capsule, a major virulence factor, strongly attenuates adhesion of S. suis to the apical side of porcine choroid plexus epithelial cells (PCPEC). Oligonucleotide microarray analysis and quantitative PCR surprisingly demonstrated that adherent wild-type and capsule-deficient S. suis influenced expression of a pronounced similar pattern of genes in PCPEC. Investigation of purified capsular material provided no evidence for a significant role of the capsule. Enriched among the regulated genes were those involved in “inflammatory response”, “defense response” and “cytokine activity”. These comprised several cytokines and chemokines including the interleukins 6 and 8, which could be detected on protein level. We show that after infection with S. suis the choroid plexus contributes to the immune response by actively producing cytokines and chemokines. Other virulence factors than the bacterial capsule may be relevant in inducing a strong inflammatory response in the CNS during S. suis meningitis.
Item Description:Gesehen am 31.10.2022
Available online 12 June 2011
Physical Description:Online Resource
ISSN:1769-714X
DOI:10.1016/j.micinf.2011.05.012

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