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Nat Rev Immunol. 2009 Jun;9(6):429-39. doi: 10.1038/nri2565.

Regulation of innate immune responses in the brain.

Author information

1
Laboratory of Endocrinology and Genomics, Centre Hospitalier Universitaire de Québec Research Center, and Department of Anatomy and Physiology, Laval University, 2705 Laurier Boulevard, Québec, G1V 4G2, Canada. Serge.Rivest@crchul.ulaval.ca

Abstract

Microglial cells are the main innate immune cells of the complex cellular structure of the brain. These cells respond quickly to pathogens and injury, accumulate in regions of degeneration and produce a wide variety of pro-inflammatory molecules. These observations have resulted in active debate regarding the exact role of microglial cells in the brain and whether they have beneficial or detrimental functions. Careful targeting of these cells could have therapeutic benefits for several types of trauma and disease specific to the central nervous system. This Review discusses the molecular details underlying the innate immune response in the brain during infection, injury and disease.

PMID:
19461673
DOI:
10.1038/nri2565
[Indexed for MEDLINE]

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