Sellner, Johann; Grandgirard, Denis; Gianinazzi, Christian; Landmann, Regine M.; Leib, Stephen L. (2009). Effects of Toll-like receptor 2 agonist Pam(3)CysSK(4) on inflammation and brain damage in experimental pneumococcal meningitis. Journal of neuroimmunology, 206(1-2), pp. 28-31. Amsterdam: Elsevier 10.1016/j.jneuroim.2008.10.004
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TLR2 signaling participates in the pathogenesis of pneumococcal meningitis. In infant rats, the TLR2 agonist Pam(3)CysSK(4) was applied intracisternally (0.5 microg in 10 microl saline) alone or after induction of pneumococcal meningitis to investigate the effect of TLR2 activation on cerebrospinal fluid (CSF) inflammation and hippocampal apoptosis. A dose effect of Pam(3)CysSK(4) on apoptosis was investigated by intracisternal application of 0.5 microg in 10 microl saline and 40 microg in 20 microl saline. Pam(3)CysSK(4) neither induced apoptosis in sham-operated mice nor aggravated apoptosis in acute infection. However, Pam(3)CysSK(4) induced pleocytosis, TNF-alpha and MMP-9 in CSF in sham-infection but not during acute meningitis. We conclude that TLR2 signaling triggered by Pam(3)CysSK(4) at a dosage capable to induce a neuroinflammatory response does not induce hippocampal apoptosis in the infant rat model of experimental pneumococcal meningitis.
Item Type: |
Journal Article (Original Article) |
|---|---|
Division/Institute: |
04 Faculty of Medicine > Service Sector > Institute for Infectious Diseases |
UniBE Contributor: |
Leib, Stephen |
Subjects: |
600 Technology > 610 Medicine & health |
ISSN: |
0165-5728 |
Publisher: |
Elsevier |
Language: |
English |
Submitter: |
Factscience Import |
Date Deposited: |
04 Oct 2013 15:14 |
Last Modified: |
05 Dec 2022 14:22 |
Publisher DOI: |
10.1016/j.jneuroim.2008.10.004 |
PubMed ID: |
19012971 |
Web of Science ID: |
000263011500005 |
BORIS DOI: |
10.7892/boris.32438 |
URI: |
https://boris.unibe.ch/id/eprint/32438 (FactScience: 197644) |
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