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2017 ; 9
(4
): 1641-1650
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Loss of PRRX1 induces epithelial-mesenchymal transition and cancer stem cell-like
properties in A549 cells
#MMPMID28469771
Zhu H
; Sun G
Am J Transl Res
2017[]; 9
(4
): 1641-1650
PMID28469771
show ga
Epithelial-mesenchymal transition (EMT) plays crucial role in tumor metastasis
and patient prognosis. Previous studies indicated that paired-related homeobox 1
(PRRX1), a newly identified EMT inducer, plays opposing roles in different tumor
cell types. However, the function of PRRX1 in lung cancer has not been
elucidated. In the present study, we observed that the expression level of PRRX1
was high in A549 cells, and a loss of PRRX1 induced EMT by regulating the EMT
markers N-cadherin, E-cadherin and vimentin in A549 cells. This loss also
distinctly affected cell morphology, migration and invasion. Moreover, a loss of
PRRX1 increased the expression levels of cancer stem cell (CSC) markers and
promoted the proliferation of these cells. These findings demonstrated that PRRX1
inhibits EMT and induces CSC-like properties in A549 cells.