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Nat Rev Immunol. 2011 Jun 10;11(7):457-68. doi: 10.1038/nri2998.

Expanding TRAF function: TRAF3 as a tri-faced immune regulator.

Author information

1
Department of Infectious Diseases, St. Jude Childrens Research Hospital, Memphis, Tennessee 38105, USA. hans.haecker@stjude.org

Abstract

Tumour necrosis factor receptor (TNFR)-associated factor (TRAF) proteins are essential components of signalling pathways activated by TNFR or Toll-like receptor (TLR) family members. Acting alone or in combination, the seven known TRAFs control many biological processes, including cytokine production and cell survival. The function of one TRAF in particular, TRAF3, remained elusive for many years. Recent work has revealed that TRAF3 is a highly versatile regulator that positively controls type I interferon production, but negatively regulates mitogen-activated protein kinase activation and alternative nuclear factor-κB signalling. In this Review, we discuss our current understanding of the role of TRAF3 in TNFR and TLR signalling pathways, and its role in disease.

PMID:
21660053
DOI:
10.1038/nri2998
[Indexed for MEDLINE]

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