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.jpg): Failed to open stream: No such file or directory in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 117 Nat+Commun
2017 ; 8
(1
): 1523
Nephropedia Template TP
gab.com Text
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English Wikipedia
FBXO32 promotes microenvironment underlying epithelial-mesenchymal transition via
CtBP1 during tumour metastasis and brain development
#MMPMID29142217
Sahu SK
; Tiwari N
; Pataskar A
; Zhuang Y
; Borisova M
; Diken M
; Strand S
; Beli P
; Tiwari VK
Nat Commun
2017[Nov]; 8
(1
): 1523
PMID29142217
show ga
The set of events that convert adherent epithelial cells into migratory cells are
collectively known as epithelial-mesenchymal transition (EMT). EMT is involved
during development, for example, in triggering neural crest migration, and in
pathogenesis such as metastasis. Here we discover FBXO32, an E3 ubiquitin ligase,
to be critical for hallmark gene expression and phenotypic changes underlying
EMT. Interestingly, FBXO32 directly ubiquitinates CtBP1, which is required for
its stability and nuclear retention. This is essential for epigenetic remodeling
and transcriptional induction of CtBP1 target genes, which create a suitable
microenvironment for EMT progression. FBXO32 is also amplified in metastatic
cancers and its depletion in a NSG mouse xenograft model inhibits tumor growth
and metastasis. In addition, FBXO32 is essential for neuronal EMT during brain
development. Together, these findings establish that FBXO32 acts as an upstream
regulator of EMT by governing the gene expression program underlying this process
during development and disease.