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2017 ; 8
(24
): 39131-39142
Nephropedia Template TP
gab.com Text
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English Wikipedia
Cofilin 1 induces the epithelial-mesenchymal transition of gastric cancer cells
by promoting cytoskeletal rearrangement
#MMPMID28388575
Wang H
; Tao L
; Jin F
; Gu H
; Dai X
; Ni T
; Feng J
; Ding Y
; Xiao W
; Qian Y
; Liu Y
Oncotarget
2017[Jun]; 8
(24
): 39131-39142
PMID28388575
show ga
Epithelial-mesenchymal transition (EMT) is an important biological process
whereby malignant tumor cells obtain the ability to migrate, invade, resist
apoptosis and degrade the extracellular matrix. We found that Cofilin1 (CFL1)
expression was elevated in clinical gastric cancer specimens and correlated with
biomarkers of EMT in BGC-823 gastric cancer cells. BGC-823 cells exhibited EMT
phenotypes and increased metastatic ability when induced by TGF-?1. By contrast,
BGC-823 cells transfected with Lv-siRNA-CFL1 did not exhibit EMT phenotypes under
the same inducing conditions. As CFL1 expression increased, EMT cell filopodia
stretched out. In addition, the ultrastructures observed using transmission
electron microscopy indicated that silencing of CFL1 markedly inhibited
depolymerization of fibrous actin and cytoskeletal reorganization during EMT.
Similar results were obtained in vivo. These findings demonstrate that CFL1
induces EMT by promoting cytoskeletal rearrangement. Our results may provide the
basis for developing new anticancer drugs to inhibit CFL1.