Mediators of Inflammation

Mediators of Inflammation / 2005 / Article

Open Access

Volume 2005 |Article ID 545829 | https://doi.org/10.1155/MI.2005.88

Tomislav Rukavina, Vanja Vasiljev, Brigita Ticac, "Proinflammatory Cytokines in Antilipopolysaccharide Immunity Against Klebsiella Infections", Mediators of Inflammation, vol. 2005, Article ID 545829, 8 pages, 2005. https://doi.org/10.1155/MI.2005.88

Proinflammatory Cytokines in Antilipopolysaccharide Immunity Against Klebsiella Infections

Received05 Nov 2004
Accepted20 Dec 2004

Abstract

This study was undertaken in order to determine whether proinflammatory cytokines are involved in a previously described protection against Klebsiella infection mediated by antilipopolysaccharide antibodies. BALB/c mice were infected intraperitoneally with a lethal challenge of Klebsiella pneumoniae Caroli. One group of mice was protected with monoclonal antibodies against lipopolysaccharide prior to infection and the second was not. We determined the number of colony-forming units at different time points in the blood of infected animals and paralleled them with plasma levels of five proinflammatory cytokines measured by enzyme immunoassays. Our results show that the two groups of animals tested expressed different plasma concentrations for all cytokines. The greatest difference was detected 24 hours after infection, with a higher production in the unprotected group. We concluded that a reduced cytokine production is partially responsible for the survival of protected animals.

Copyright © 2005 Hindawi Publishing Corporation. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.


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