Regulation of autoimmune inflammation by pro-inflammatory cytokines.
The pro-inflammatory cytokines play a critical role in the initiation and propagation of autoimmune arthritis and many other disorders resulting from a dysregulated self-directed immune response. These cytokines influence the interplay among the cellular, immunological and biochemical mediators of inflammation at multiple levels. Regulation of the pro-inflammatory activity of these cytokines is generally perceived to be mediated by the anti-inflammatory and immunosuppressive cytokines such as IL-4, IL-10, or TGF-beta. However, increasing evidence is accumulating in support of the regulatory attributes of the pro-inflammatory cytokines themselves, in studies conducted in animal models of diabetes, multiple sclerosis, uveitis, and lupus. The results of our recent studies have shown that the pro-inflammatory cytokines, TNF-alpha and IFN-gamma, can suppress arthritic inflammation in rats, and also contribute to resistance against arthritis. These results are of paramount significance not only in fully understanding the pathogenesis of autoimmune arthritis, but also in anticipating the full ramifications of the in vivo neutralization of the pro-inflammatory cytokines, including that for therapeutic purposes.
Keywords: inflammatory cytokines, these cytokines, autoimmune arthritis, cytokines, inflammatory, arthritis
Authored by Kim EY, Moudgil KD. Department of Microbiology and Immunology, University of Maryland School of Medicine, Baltimore, MD 21201, USA.
Published in Immunol Lett. 2008 Oct 30;120(1-2):1-5. Epub 2008 Aug 9. The full report is available online. A subscription to the periodical may be required.
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