Journal
JOURNAL OF NEUROIMMUNOLOGY
Volume 175, Issue 1-2, Pages 128-141Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.jneuroim.2006.03.012
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- Wellcome Trust Funding Source: Medline
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Glial cells, particularly microglia, are thought to play a pivotal role in initiating and guiding innate immune responses to CNS infections and in perpetuating inflammation and pathology in CNS diseases such as multiple sclerosis and Alzheimer's disease. We describe here the development and use of a new microarray designed to specifically profile transcript expression of innate immunity genes. Microarray analysis validated by quantitative PCR demonstrated an extensive range of pattern recognition receptor gene expression in resting N9 microglia, including Toll-like receptors, scavenger receptors and lectins. Stimulation with LPS or infection with virus modulated pattern recognition receptor, cytokine, chemokine and other innate immune transcripts in a distinct and stimulus-specific manner. This study demonstrates that a single glial cell phenotype has an innate capability to detect infection, determine its form and generate specific responses. (c) 2006 Elsevier B.V. All rights reserved.
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