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2016 ; 73
(11-12
): 2165-76
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Poly-ubiquitination in TNFR1-mediated necroptosis
#MMPMID27066894
Dondelinger Y
; Darding M
; Bertrand MJ
; Walczak H
Cell Mol Life Sci
2016[Jun]; 73
(11-12
): 2165-76
PMID27066894
show ga
Tumor necrosis factor (TNF) is a master pro-inflammatory cytokine, and
inappropriate TNF signaling is implicated in the pathology of many inflammatory
diseases. Ligation of TNF to its receptor TNFR1 induces the transient formation
of a primary membrane-bound signaling complex, known as complex I, that drives
expression of pro-survival genes. Defective complex I activation results in
induction of cell death, in the form of apoptosis or necroptosis. This switch
occurs via internalization of complex I components and assembly and activation of
secondary cytoplasmic death complexes, respectively known as complex II and
necrosome. In this review, we discuss the crucial regulatory functions of
ubiquitination-a post-translational protein modification consisting of the
covalent attachment of ubiquitin, and multiples thereof, to target proteins-to
the various steps of TNFR1 signaling leading to necroptosis.
|Animals
[MESH]
|Apoptosis/*physiology
[MESH]
|Mice
[MESH]
|Necrosis/*pathology
[MESH]
|Receptor-Interacting Protein Serine-Threonine Kinases/metabolism
[MESH]
|Receptors, Tumor Necrosis Factor, Type I/*metabolism
[MESH]