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2018 ; 52
(4
): 1224-1234
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LncRNA BC032020 suppresses the survival of human pancreatic ductal adenocarcinoma
cells by targeting ZNF451
#MMPMID29532883
Zhang Z
; Chen H
; Lu Y
; Feng T
; Sun W
Int J Oncol
2018[Apr]; 52
(4
): 1224-1234
PMID29532883
show ga
This study examined the effects of long non?coding RNA (lncRNA) BC032020 on the
development of human pancreatic ductal adenocarcinoma (PDAC), and the potential
molecular mechanisms responsible for these effects. The expression of BC032020
was assessed in 20 pairs of PDAC tumor tissues and adjacent normal tissues. The
overexpression of BC032020 was enforced in the AsPC?1 and PANC?1 cells, and the
effects on cell proliferation, cell cycle distribution, cell migration and
apoptosis were determined. We also analyzed the functions of zinc finger
protein 451 (ZNF451), which shares a gene sequence with two exons of BC032020 and
a non?coding region with another two exons, in PDAC cells. The AsPC?1 and PANC?1
cells that overexpressed BC032020 were used to establish a subcutaneous tumor
xenograft model in order to examine the effects of BC032020 on tumor growth
in vivo. The results revealed that the BC032020 levels in the PDAC tumor tissues
were lower than those in the adjacent normal tissues, and ZNF451 expression
inversely correlated with the BC032020 levels in the PDAC tumor tissues and cell
lines. BC032020 overexpression led to a decrease in ZNF451 expression; it also
suppressed the proliferation and migration of the AsPC?1 and PANC?1 cells, and
induced G1 phase arrest and cell apoptosis. The results of in vivo experiments
revealed that BC032020 suppressed tumor growth in a xenograft model by inhibiting
ZNF451 expression. Taken together, the findings of this study indicate that
BC032020 suppresses the survival of PDAC cells by inhibiting ZNF451 expression.