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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 Oncol+Rep
2015 ; 34
(4
): 1681-91
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HOXD10 acts as a tumor-suppressive factor via inhibition of the RHOC/AKT/MAPK
pathway in human cholangiocellular carcinoma
#MMPMID26260613
Yang H
; Zhou J
; Mi J
; Ma K
; Fan Y
; Ning J
; Wang C
; Wei X
; Zhao H
; Li E
Oncol Rep
2015[Oct]; 34
(4
): 1681-91
PMID26260613
show ga
HOXD10, a key regulator of cell-differentiated phenotype maintainence, has been
demonstrated to be involved in the tumorigenesis of many human malignacies.
However, the status of HOXD10 expression and its biological function in
cholangiocellular carcinoma (CCC) remain to be clarified. In the present study,
we investigated the clinical significance and biological functions of HOXD10 in
CCC and found that the expression of HOXD10 and its downstream effector RHOC was
significantly different in well-differentiated CCC tissues compared with
poorly-differentiated lesions. We also observed a significant correlation between
low HOXD10 and high RHOC expression levels and worse prognosis. The stable
overexpression of HOXD10 by lentivirus vector significantly inhibited cell
invasion partly by downregulating the expression of MMP2 and MMP9, and
significantly increased early apoptosis in CCC cell lines and induced G1 phase
cell cycle arrest, contributing to the inhibition of cell proliferation in vitro.
Additionally, we demonstrated that the inactivation of the RHOC/AKT/MAPK pathway
was involved in the tumor-suppressive functions of HOXD10 in CCC. These results
suggested that HOXD10 may be a putative suppressor gene and can act as a
prognostic marker and potentially a novel therapeutic target for CCC.