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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 Nat+Commun
2017 ; 8
(ä): 15870
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Simultaneous overactivation of Wnt/?-catenin and TGF? signalling by miR-128-3p
confers chemoresistance-associated metastasis in NSCLC
#MMPMID28627514
Cai J
; Fang L
; Huang Y
; Li R
; Xu X
; Hu Z
; Zhang L
; Yang Y
; Zhu X
; Zhang H
; Wu J
; Huang Y
; Li J
; Zeng M
; Song E
; He Y
; Zhang L
; Li M
Nat Commun
2017[Jun]; 8
(ä): 15870
PMID28627514
show ga
Cancer chemoresistance and metastasis are tightly associated features. However,
whether they share common molecular mechanisms and thus can be targeted with one
common strategy remain unclear in non-small cell lung cancer (NSCLC). Here, we
report that high levels of microRNA-128-3p (miR-128-3p) is key to concomitant
development of chemoresistance and metastasis in residual NSCLC cells having
survived repeated chemotherapy and correlates with chemoresistance,
aggressiveness and poor prognosis in NSCLC patients. Mechanistically, miR-128-3p
induces mesenchymal and stemness-like properties through downregulating multiple
inhibitors of Wnt/?-catenin and TGF-? pathways, leading to their overactivation.
Importantly, antagonism of miR-128-3p potently reverses metastasis and
chemoresistance of highly malignant NSCLC cells, which could be completely
reversed by restoring Wnt/?-catenin and TGF-? activities. Notably, correlations
among miR-128-3p levels, activated ?-catenin and TGF-? signalling, and
pro-epithelial-to-mesenchymal transition/pro-metastatic protein levels are
validated in NSCLC patient specimens. These findings suggest that miR-128-3p
might be a potential target against both metastasis and chemoresistance in NSCLC.