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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 J+Exp+Clin+Cancer+Res
2018 ; 37
(1
): 128
Nephropedia Template TP
gab.com Text
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Twit Text #
English Wikipedia
Supervillin promotes epithelial-mesenchymal transition and metastasis of
hepatocellular carcinoma in hypoxia via activation of the RhoA/ROCK-ERK/p38
pathway
#MMPMID29954442
Chen X
; Zhang S
; Wang Z
; Wang F
; Cao X
; Wu Q
; Zhao C
; Ma H
; Ye F
; Wang H
; Fang Z
J Exp Clin Cancer Res
2018[Jun]; 37
(1
): 128
PMID29954442
show ga
BACKGROUND: Hepatocellular carcinoma (HCC) is one of the most common malignant
tumors in the world and metastasis is the leading cause of death associated with
HCC. Hypoxia triggers the epithelial-mesenchymal transition (EMT) of cancer
cells, which enhances their malignant character and elevates metastatic risk.
Supervillin associates tightly with the membrane and cytoskeleton, promoting cell
motility, invasiveness, and cell survival. However, the roles of supervillin in
HCC metastasis remain unclear. METHODS: Tissue microarray technology was used to
immunohistochemically stain for supervillin antibody in 173 HCC tissue specimens
and expression levels correlated with the clinicopathological variables. Tumor
cell motility and invasiveness, as well as changes in the mRNA expression levels
of genes associated with cancer cell EMT, were investigated. The relationship
between supervillin and Rho GTPases was examined using Co-IP and GST pull-down.
RESULTS: Hypoxia-induced upregulation of supervillin promoted cancer cell
migration and invasion via the activation of the ERK/p38 pathway downstream of
RhoA/ROCK signaling. Furthermore, supervillin regulated the expression of EMT
genes during hypoxia and accelerated the metastasis of HCC in vivo. CONCLUSIONS:
Hypoxia-induced increase in supervillin expression is a significant and
independent predictor of cancer metastasis, which leads to poor survival in HCC
patients. Our results suggest that supervillin may be a candidate prognostic
factor for HCC and a valuable target for therapy.