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2017 ; 24
(7
): 1142-1147
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SPATA2: more than a missing link
#MMPMID28282038
Schlicher L
; Brauns-Schubert P
; Schubert F
; Maurer U
Cell Death Differ
2017[Jul]; 24
(7
): 1142-1147
PMID28282038
show ga
The assembly of the TNFR1 signalling complex (TNF-RSC) depends on K63- and
M1-linked ubiquitylation, promoting the recruitment of complex constituents and
the stability of the complex. Ubiquitylation is a dynamic process, controlled by
E3 ubiquitin ligases as well as deubiquitinases, such as CYLD and OTULIN. A novel
molecule, SPATA2, which is crucial for recruiting and activating the
deubiquitinase CYLD within the TNF-RSC, has now been identified by four different
studies. Loss of SPATA2 was shown to result in increased TNF-, but also
NOD2-mediated proinflammatory signalling. Importantly, SPATA2 is instrumental for
TNF-induced cell death, and a closer look at these findings suggests that SPATA2
possibly has functions beyond promoting the activity of CYLD.
|Animals
[MESH]
|Humans
[MESH]
|Models, Biological
[MESH]
|Protein Binding
[MESH]
|Proteins/*metabolism
[MESH]
|Receptors, Tumor Necrosis Factor, Type I/metabolism
[MESH]