Journal
NEUROSCIENCE LETTERS
Volume 420, Issue 2, Pages 144-149Publisher
ELSEVIER IRELAND LTD
DOI: 10.1016/j.neulet.2007.04.071
Keywords
virus; interleukin-10; microglia; neuron; reactive oxygen species
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The anti-inflammatory cytokine interleukin (IL)-10 is synthesized in the central nervous system (CNS) and acts to limit clinical symptoms of stroke, multiple sclerosis, Alzheimer's disease, meningitis, and the behavioral changes that occur during bacterial infections. Expression of IL-10 is critical during the course of most major diseases in the CNS and promotes survival of neurons and all glial cells in the brain by blocking the effects of proinflammatory cytokines and by promoting expression of cell survival signals. In order to assess functional importance of this cytokine in viral encephalitis we have exploited an experimental model of Japanese encephalitis (JE). We report for the first time that in Japanese encephalitis, there is a progressive decline in level of IL-10. The extent of progressive decrease in IL- 10 level following viral infection is inversely proportional to the increase in the level of proinflammatory cytokines as well as negative consequences that follows viral infection. (c) 2007 Elsevier Ireland Ltd. All rights reserved.
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