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2016 ; 7
(49
): 81423-81434
Nephropedia Template TP
gab.com Text
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Dapper homolog 1 alpha suppresses metastasis ability of gastric cancer through
inhibiting planar cell polarity pathway
#MMPMID27833078
Liu Y
; Zhang J
; Yu W
; Zhang X
; Wang G
; Zhao Z
Oncotarget
2016[Dec]; 7
(49
): 81423-81434
PMID27833078
show ga
Dapper homolog 1 alpha (DACT1?) is a member of DACT family and an important
regulator in the planar cell polarity pathway. We aim to clarify its functional
role in metastasis ability of gastric cancer. DACT1? was silenced in all gastric
cancer cell lines (8/8), but expressed in normal gastric tissue. Ectopic
expression of DACT1? in silenced gastric cancer cell lines (AGS, BGC823 and
MGC803) by stable transfection significantly suppressed cancer cell spreading (P
< 0.05), migration (P < 0.01) and invasion (P < 0.01). These effects were
associated with downregulation of planar cell polarity pathway related genes
involved in cell proliferation (PDGFB, VEGFA), adhesion (ITGA1, ITGA2, ITGA3,
ITGB3) and migration/invasion (PLAU, MMP9, MCAM, Dvl-2 and JNK). DACT1? promoter
methylation was detected in 205 gastric cancers and 20 normal controls by direct
bisulfite genomic sequencing. DACT1? methylation was detected in 29.3% (60/205)
of gastric cancer patients, but not in normal tissues. DACT1? methylation was
associated with poor survival of gastric cancer patients. In conclusion, DACT1?
plays a pivotal role as a potential tumor suppressor in migration and invasion of
gastric cancer. DACT1? methylation may serve as a biomarker for the prognosis of
gastric cancer.
|*Cell Movement
[MESH]
|*Cell Plasticity
[MESH]
|Adaptor Proteins, Signal Transducing/genetics/*metabolism
[MESH]