Journal
INFECTION AND IMMUNITY
Volume 74, Issue 7, Pages 3783-3789Publisher
AMER SOC MICROBIOLOGY
DOI: 10.1128/IAI.00022-06
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- PHS HHS [R01 27913] Funding Source: Medline
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Neuronal dysfunction can occur in the course of sepsis without meningitis. Sepsis-associated neuronal damage (SAND) was observed in the hippocampus within hours in experimental pneumococcal bacteremia. Intravascular challenge with purified bacterial cell wall recapitulated SAND. SAND persisted in PAFr(-/-) mice but was partially mitigated in mice lacking cell wall recognition proteins TLR2 and Nod2 and in mice overexpressing interleukin-10 (IL-10) in macrophages. Thus, cell wall drives SAND through IL-10-repressible inflammatory events. Treatment with CDP-choline ameliorated SAND, suggesting that it may be an effective adjunctive therapy to increase survival and reduce organ damage in sepsis.
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