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2015 ; 6
(2
): e1665
Nephropedia Template TP
gab.com Text
Twit Text FOAVip
Twit Text #
English Wikipedia
Low expression of long noncoding RNA PANDAR predicts a poor prognosis of
non-small cell lung cancer and affects cell apoptosis by regulating Bcl-2
#MMPMID25719249
Han L
; Zhang EB
; Yin DD
; Kong R
; Xu TP
; Chen WM
; Xia R
; Shu YQ
; De W
Cell Death Dis
2015[Feb]; 6
(2
): e1665
PMID25719249
show ga
Recently, a novel class of transcripts, long noncoding RNAs (lncRNAs), is
involved in diseases including cancer. Here, we investigated the the role of
lncRNA PANDAR in the progression of non-small cell lung carcinoma (NSCLC).
PANDAR, interacting with NF-YA, was generally downregulated in NSCLC tissues. In
a cohort of 140 NSCLC patients, decreased PANDAR expression was negatively
correlated with greater tumor size (P<0.001) and advanced TNM stage (P=0.002).
Moreover, PANDAR could serve as an independent predictor for overall survival in
NSCLC (P=0.015). Further experiments demonstrated that PANDAR expression was
induced by p53, and chromatin immunoprecipitation (ChIP) assays confirmed that
PANDAR was a direct transcriptional target of p53 in NSCLC cells. PANDAR
overexpression significantly repressed the proliferation in vitro and in vivo. We
also showed that PANDAR-mediated growth regulation is in part due to the
transcriptional modulation of Bcl-2 by interacting with NF-YA, thus affecting
NSCLC cell apoptosis. To our knowledge, this is the first report which showed the
role of PANDAR in the progression of NSCLC. The p53/PANDAR/NF-YA/Bcl-2
interaction might serve as targets for NSCLC diagnosis and therapy.