Restraint of inflammatory signaling by interdependent strata of negative regulatory pathways

Peter J Murray1, Stephen T Smale

  • 1Department of Infectious Diseases and Department of Immunology, St. Jude Children's Research Hospital, Memphis, Tennessee, USA. peter.murray@stjude.org

Nature Immunology
|September 20, 2012
PubMed

Insights

Toll-like receptor (TLR) activation triggers inflammation, but the body has evolved anti-inflammatory pathways to control it. This review details how these pathways modulate TLR signaling to prevent tissue damage.

Area of Science:

  • Immunology
  • Molecular Biology
  • Cell Biology

Background:

  • Toll-like receptor (TLR) signaling, initiated by microbial products, is crucial for inflammatory and immune responses.
  • Excessive inflammation resulting from TLR activation can lead to cell and tissue damage, contributing to various diseases.

Purpose of the Study:

  • To review the diverse anti-inflammatory pathways that modulate TLR signaling.
  • To understand the integration of these pathways in preventing TLR-induced tissue destruction.

Main Methods:

  • Literature review of studies on TLR signaling and anti-inflammatory mechanisms.
  • Analysis of the integration and regulation of anti-inflammatory pathways downstream of TLRs.

Main Results:

  • Multiple levels of anti-inflammatory pathways exist to counteract TLR signaling.
  • These pathways are integrated to effectively dampen inflammation and protect tissues.

Conclusions:

  • Understanding these integrated anti-inflammatory mechanisms is key to preventing TLR-mediated pathology.
  • This review provides a comprehensive overview of the regulatory network controlling TLR-induced inflammation.

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