Format

Send to:

Choose Destination
See comment in PubMed Commons below
Front Immunol. 2012 Nov 19;3:341. doi: 10.3389/fimmu.2012.00341. eCollection 2012.

Which pathways trigger the role of complement in ischaemia/reperfusion injury?

Author information

  • 1MRC Centre for Transplantation, Division of Transplantation Immunology and Mucosal Biology, King's College London School of Medicine at Guy's, King's College and St Thomas' Hospitals London, UK.

Abstract

Investigations into the role of complement in ischemia/reperfusion (I/R) injury have identified common effector mechanisms that depend on the production of C5a and C5b-9 through the cleavage of C3. These studies have also defined an important role for C3 synthesized within ischemic kidney. Less clear however is the mechanism of complement activation that leads to the cleavage of C3 in ischemic tissues and to what extent the potential trigger mechanisms are organ dependent - an important question which informs the development of therapies that are more selective in their ability to limit the injury, yet preserve the other functions of complement where possible. Here we consider recent evidence for each of the three major pathways of complement activation (classical, lectin, and alternative) as mediators of I/R injury, and in particular highlight the role of lectin molecules that increasingly seem to underpin the injury in different organ models and in addition reveal unusual routes of complement activation that contribute to organ damage.

KEYWORDS:

MBL; complement; ischemia; kidney; reperfusion

PMID:
23181062
[PubMed]
PMCID:
PMC3500775
Free PMC Article
PubMed Commons home

PubMed Commons

0 comments
How to join PubMed Commons

    Supplemental Content

    Full text links

    Icon for Frontiers Media SA Icon for PubMed Central
    Loading ...
    Write to the Help Desk