Role of neutrophil apoptosis in the resolution of inflammation

ScientificWorldJournal. 2010 Sep 1:10:1731-48. doi: 10.1100/tsw.2010.169.

Abstract

Neutrophil granulocytes play a central role in host defense to infection and tissue injury. Their timely removal is essential for resolution of inflammation. Increasing evidence identified neutrophil apoptosis as an important control point in the development and resolution of inflammation. Delayed apoptosis and/or impaired clearance of neutrophils aggravate and prolong tissue injury. This review will focus on outside-in signals that provide survival cues for neutrophils, the hierarchy of pro- and antiapoptotic signals, and molecular targets in the antiapoptotic signaling network that can be exploited by endogenously produced bioactive lipids, such as lipoxins or pharmacological inhibitors, including cyclin-dependent kinase inhibitors, to redirect neutrophils to apoptosis in vivo, thus promoting resolution of inflammation.

Publication types

  • Research Support, Non-U.S. Gov't
  • Review

MeSH terms

  • Animals
  • Anti-Inflammatory Agents / pharmacology
  • Apoptosis / drug effects
  • Apoptosis / immunology*
  • Humans
  • Inflammation / immunology*
  • Inflammation / prevention & control
  • Leukocyte Count
  • Neutrophils / immunology*
  • Protein Kinase Inhibitors / pharmacology
  • Purines / pharmacology
  • Roscovitine
  • Signal Transduction / drug effects
  • Signal Transduction / immunology*

Substances

  • Anti-Inflammatory Agents
  • Protein Kinase Inhibitors
  • Purines
  • Roscovitine