Encyclopedia of Signaling Molecules

2018 Edition
| Editors: Sangdun Choi

TRAF3

  • Nurbek Mambetsariev
  • Gail A. Bishop
Reference work entry
DOI: https://doi.org/10.1007/978-3-319-67199-4_101728

Synonyms

 CAP1;  CD40bp;  CRAF1;  LAP1

Historical Background

TNF receptor-associated factor (TRAF) 3 is an intracellular protein that belongs to the TRAF family of molecules. The characteristic feature of TRAFs is a domain structure that includes (except TRAF1) Zn-binding RING and Finger domains, coiled-coil domains (TRAF-N) that promote multimer formation, and (except TRAF7) a TRAF-C domain important for interaction with cellular receptors and regulation of signaling pathways (Xie 2013). TRAF3 has many cell type- and context-specific roles, primarily as an adaptor protein with a large variety of binding partners.

Early attempts to characterize TRAF3 in vivo functions were hindered by the lack of useful animal models, as global deletion of TRAF3 in mice leads to hypoglycemia, leukopenia, and early postnatal lethality (Xu et al. 1996). Alternative models to study TRAF molecules relied on exogenous overexpression in epithelial and fibroblast cell lines, with NF-κB activation as the...

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Copyright information

© Springer International Publishing AG 2018

Authors and Affiliations

  1. 1.Immunology Graduate Program and Medical Scientist Training ProgramThe University of Iowa and VAMCIowa CityUSA
  2. 2.Departments of Microbiology and Internal MedicineThe University of Iowa and VAMCIowa CityUSA