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2016 ; 12
(1
): 132-138
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Long non-coding RNA CCAT2 functions as an oncogene in hepatocellular carcinoma,
regulating cellular proliferation, migration and apoptosis
#MMPMID27347113
Zhou N
; Si Z
; Li T
; Chen G
; Zhang Z
; Qi H
Oncol Lett
2016[Jul]; 12
(1
): 132-138
PMID27347113
show ga
An increasing number of studies have demonstrated that the dysregulation of long
non-coding RNAs (lncRNAs) may serve an important role in tumor progression.
Previous studies have reported that the lncRNA, colon cancer associated
transcript 2 (CCAT2), was highly expressed in various tumors. However, the
function of CCAT2 in hepatocellular carcinoma (HCC) has not yet been elucidated.
The aim of the present study was to identify novel oncogene lncRNAs and
investigate their physiological function and mechanism in HCC. Using reverse
transcription-quantitative polymerase chain reaction, it was observed that CCAT2
was upregulated in HCC tissues and human HCC cell lines. Furthermore, the impacts
of CCAT2 on cell proliferation, migration and apoptosis were analyzed using cell
migration, 3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide and
enzyme-linked immunosorbent assay analysis respectively. The overexpression of
CCAT2 using a synthesized vector significantly promoted cell migration and
proliferation, and inhibited apoptosis of HCC cells in vitro. The suppression of
CCAT2 expression resulted in opposing effects. To the best of our knowledge, the
present study is the ?rst to demonstrate that CCAT2 functions as a oncogene in
HCC. Further investigation is required to clarify the molecular mechanisms of
this lncRNA in HCC development.