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2015 ; 6
(32
): 33893-911
Nephropedia Template TP
gab.com Text
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English Wikipedia
The metastasis suppressor, NDRG1, inhibits "stemness" of colorectal cancer via
down-regulation of nuclear ?-catenin and CD44
#MMPMID26418878
Wangpu X
; Yang X
; Zhao J
; Lu J
; Guan S
; Lu J
; Kovacevic Z
; Liu W
; Mi L
; Jin R
; Sun J
; Yue F
; Ma J
; Lu A
; Richardson DR
; Wang L
; Zheng M
Oncotarget
2015[Oct]; 6
(32
): 33893-911
PMID26418878
show ga
N-myc downstream-regulated gene 1 (NDRG1), has been identified as an important
metastasis suppressor for colorectal cancer (CRC). In this study, we
investigated: (1) the effects of NDRG1 on CRC stemness and tumorigenesis; (2) the
molecular mechanisms involved; and (3) the relationship between NDRG1 expression
and colorectal cancer prognosis. Our investigation demonstrated that CRC cells
with silenced NDRG1 showed more tumorigenic ability and stem cell-like
properties, such as: colony and sphere formation, chemoresistance, cell invasion,
high expression of CD44, and tumorigenicity in vivo. Moreover, NDRG1 silencing
reduced ?-catenin expression on the cell membrane, while increasing its nuclear
expression. The anti-tumor activity of NDRG1 was demonstrated to be mediated by
preventing ?-catenin nuclear translocation, as silencing of this latter molecule
could reverse the effects of silencing NDRG1 expression. NDRG1 expression was
also demonstrated to be negatively correlated to CRC prognosis. In addition,
there was a negative correlation between NDRG1 and nuclear ?-catenin and also
NDRG1 and CD44 expression in clinical CRC specimens. Taken together, our
investigation demonstrates that the anti-metastatic activity of NDRG1 in CRC
occurs through the down-regulation of nuclear ?-catenin and suggests that NDRG1
is a significant therapeutic target.
|AC133 Antigen
[MESH]
|Aged
[MESH]
|Animals
[MESH]
|Antigens, CD/metabolism
[MESH]
|Cell Cycle Proteins/*metabolism
[MESH]
|Cell Line, Tumor
[MESH]
|Cell Membrane/metabolism
[MESH]
|Cell Nucleus/*metabolism
[MESH]
|Colorectal Neoplasms/*metabolism
[MESH]
|Down-Regulation
[MESH]
|Female
[MESH]
|Gene Expression Profiling
[MESH]
|Gene Expression Regulation, Neoplastic
[MESH]
|Gene Silencing
[MESH]
|Glycoproteins/metabolism
[MESH]
|HCT116 Cells
[MESH]
|HT29 Cells
[MESH]
|Humans
[MESH]
|Hyaluronan Receptors/*metabolism
[MESH]
|Intracellular Signaling Peptides and Proteins/*metabolism
[MESH]