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Open Access Gold as soon as Publ. Version/Full Text is submitted to ZB.
Pursuing different 'TRADDes': TRADD signaling induced by TNF-receptor 1 and the Epstein-Barr virus oncoprotein LMP1.
Biol. Chem. 389, 1261-1271 (2008)
The pro-apoptotic tumor necrosis factor (TNF)-receptor 1-associated death domain protein (TRADD) was initially identified as the central signaling adapter molecule of TNF-receptor 1 (TNFR1). Upon stimulation with the pro-inflammatory cytokine TNFalpha, TRADD is recruited to the activated TNFR1 by direct interaction between the death domains of both molecules. TRADD mediates TNFR1 activation of NF-kappaB and c-Jun N-terminal kinase (JNK), as well as caspase-dependent apoptosis. Surprisingly, TRADD is also recruited by latent membrane protein 1 (LMP1), the major oncoprotein of the human Epstein-Barr tumor virus. By mimicking a constitutively active receptor, LMP1 is essential for B-cell transformation by the virus, activating NF-kappaB, phosphatidylinositol 3-kinase, JAK/STAT and mitogen-activated protein kinase signaling. In contrast to TNFR1, LMP1's interaction with TRADD is independent of a functional death domain. The unique structure of the LMP1-TRADD complex dictates an unusual type of TRADD-dependent NF-kappaB signaling and subverts TRADD's potential to induce apoptosis. This article provides an overview of TNFR1 and LMP1 signal transduction with a focus on TRADD's functions in apoptotic and transforming signaling, incorporating recent results from TRADD RNAi and knockout studies.
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2.840
0.780
54
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Publication type
Article: Journal article
Document type
Scientific Article
Keywords
apoptosis; latent membrane protein 1 (LMP1); NF-kB; TNF-receptor 1; TRADD; transformation
Language
english
Publication Year
2008
HGF-reported in Year
0
ISSN (print) / ISBN
1431-6730
e-ISSN
1437-4315
Journal
Biological Chemistry
Quellenangaben
Volume: 389,
Issue: 10,
Pages: 1261-1271
Publisher
de Gruyter
Reviewing status
Peer reviewed
Institute(s)
Research Unit Gene Vector (AGV)
POF-Topic(s)
30203 - Molecular Targets and Therapies
Research field(s)
Immune Response and Infection
PSP Element(s)
G-501500-001
DOI
10.1515/BC.2008
Erfassungsdatum
2008-12-15