PMID: 11343293May 9, 2001Paper

Regulation of the gene encoding the monocyte chemoattractant protein 1 (MCP-1) in the mouse and rat brain in response to circulating LPS and proinflammatory cytokines

The Journal of Comparative Neurology
I ThibeaultSerge Rivest

Abstract

Accumulating evidence supports the existence of an innate immune response in the brain during systemic inflammation that is associated with a robust induction of proinflammatory cytokines and chemokines by specific cells of the central nervous system. The present study investigated the genetic regulation and fine cellular distribution of the monocyte chemoattractant protein-1 (MCP-1) in the brain of mice and rats in response to systemic immune insults. MCP-1 belongs to a superfamily of chemokines that have a leading role in the early chemotaxic events during inflammation. In situ hybridization histochemistry failed to detect constitutive expression of the chemokine transcript in the cerebral tissue except for the area postrema (AP) that exhibited a low signal under basal conditions. This contrasts with the strong and transient induction of the mRNA encoding MCP-1 following a single systemic bolus of lipopolysaccharide (LPS), recombinant interleukin-1 beta (IL-1 beta) and tumor necrosis factor alpha (TNF-alpha). These stimuli rapidly triggered (30 to 90 minutes) MCP-1 transcription in all the circumventricular organs (CVOs), the choroid plexus (chp), the leptomeninges, and along the cerebral blood vessels. The time-related induc...Continue Reading

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Citations

Sep 25, 2010·Inflammation Research : Official Journal of the European Histamine Research Society ... [et Al.]·Andres OrtegaHeping Zhou
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Aug 21, 2013·Clinical & Developmental Immunology·Andrzej Przemysław HermanDorota Tomaszewska-Zaremba
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Mar 6, 2015·Frontiers in Neuroscience·Raffaella MorettiPierre Gressens

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