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2018 ; 15
(3
): 3806-3813
Nephropedia Template TP
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English Wikipedia
Zinc finger protein 668 suppresses non-small cell lung cancer invasion and
migration by downregulating Snail and upregulating E-cadherin and zonula
occludens-1
#MMPMID29556277
Zhang X
; Jiang G
; Wu J
; Zhou H
; Zhang Y
; Miao Y
; Feng Y
; Yu J
Oncol Lett
2018[Mar]; 15
(3
): 3806-3813
PMID29556277
show ga
Zinc finger protein 668 (ZNF668) is a recently discovered protein and its
expression levels, as well as its involvement in the invasion and metastasis of
non-small cell lung cancer (NSCLC), are largely unknown. In the present study,
immunohistochemical analysis demonstrated that ZNF668 protein expression was
decreased in lung tumors (51/167, 30.5%) compared with adjacent normal lung
tissues (43/62, 69.4%; P<0.001). Subsequent statistical analysis revealed that
ZNF668 expression was negatively associated with increased tumor-node-metastasis
stage (P=0.019) and lymph node metastasis (P=0.002). Following ZNF668
downregulation by transfection of a ZNF668-expressing plasmid or small
interfering RNA, it was demonstrated that ZNF668 inhibited the invasion and
migration of NSCLC cells. Furthermore, restoration of ZNF668 expression
downregulated the expression of Snail and increased the protein levels of
epithelial (E-)cadherin and zonula occludens-1 (ZO-1). The results of the present
study suggest that ZNF668 is downregulated in human NSCLC. Furthermore,
restoration of ZNF668 expression was demonstrated to decrease the expression of
Snail and increase the expression of E-cadherin and ZO-1, suppressing the
invasion and migration of NSCLC cells.