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2017 ; 4
(2
): ä Nephropedia Template TP
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The regulation of snail: on the ubiquitin edge
#MMPMID29147673
Yu Q
; Zhou BP
; Wu Y
Cancer Cell Microenviron
2017[]; 4
(2
): ä PMID29147673
show ga
Metastasis accounts for a majority of cancer death. One key feature during
metastasis is epithelial-mesenchymal transition (EMT), which is regulated by
transcription factors such as Snail and Twist. In non-malignant cells, Snail has
a short half-life and is degraded via ubiquitination, but its stability is
increased in cancer cell. However, the mechanism by which Snail escapes
ubiquitination and degradation remains unknown. Recently, we found that Dub3 is a
deubiquinase of Snail. Most importantly, we determined that Dub3 responded to
extracellular signals such as IL-6, and that the resultant signaling prevented
Snail degradation, and promoted cancer growth, invasion, and migration. In this
highlight, we present a concise picture of how the transcription factor Snail is
regulated by ubiquitination in cancer cells, the role of Dub3 in this process,
and its potential use as a treatment target.