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Infect. Immun., 06 1995, 2109-2112, Vol 63, No. 6
AK Lehmann, A Halstensen, S Sornes, O Rokke and A Waage
Interleukin 10 (IL-10) suppresses the production of proinflammatory
cytokines in vitro and in murine models of endotoxemia and has been
suggested as a candidate for treatment of bacterial septicemia. To
investigate the role of IL-10 in meningococcal disease, a sandwich IL- 10
enzyme-amplified sensitivity immunoassay was used to quantitate IL- 10 in
serum and cerebrospinal fluid samples from 41 patients with meningococcal
bacteremia or meningitis with or without septic shock. High levels of IL-10
were demonstrated in sera from patients with meningococcal septic shock
(mean, 21,221 pg/ml; range, 25 to 64,500 pg/ml). All cases involving
fatalities had IL-10 levels in serum of > or = 1,000 pg/ml (mean, 23,058
pg/ml; range, 1,000 to 64,500 pg/ml). Patients with meningococcal
meningitis without septic shock had comparably low concentrations of IL-10
in serum (mean, 119 pg/ml; range, 0 to 1,050 pg/ml) but exhibited
compartmentalized release of IL- 10 in cerebrospinal fluid. Concentrations
of IL-10 in serum were positively correlated with the previously reported
concentrations of tumor necrosis factor alpha, IL-6, and IL-8 in serum in
the same patients. We conclude that IL-10 is extensively activated along
with the proinflammatory cytokines during the initial phase of
meningococcal septic shock and that IL-10 is associated with fatality in
meningococcal disease.
Copyright © 1995, American Society for Microbiology
High levels of interleukin 10 in serum are associated with fatality in meningococcal disease
Medical Department B, University of Bergen, Norway.
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