Σφακιανάκης Αλέξανδρος
ΩτοΡινοΛαρυγγολόγος
Αναπαύσεως 5 Άγιος Νικόλαος
Κρήτη 72100
00302841026182
00306932607174
alsfakia@gmail.com

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Πέμπτη 14 Δεκεμβρίου 2017

Long non-coding RNA OIP5-AS1 functions as an oncogene in lung adenocarcinoma through targeting miR-448/Bcl-2

Publication date: February 2018
Source:Biomedicine & Pharmacotherapy, Volume 98
Author(s): Jun Deng, Huan Deng, Chunfeng Liu, Yujia Liang, Songping Wang
LncRNAs are increasingly verified to be aberrantly expressed in cancers. The abnormal expression of lncRNAs has turned out to be closely related to tumorigenesis or tumor progression. It has been reported that lncRNA OPI5-AS1 serves as a crucial regulator in tumors. However, the specific function of OIP5-AS1 on the progression of lung adenocarcinoma is still uncertain. In this paper, we mainly elucidated that OIP5-AS1 exerts oncogenic functions in human lung adenocarcinoma through targeting miR-448. We inspected that the expression of OIP5-AS1 was definitely high in lung adenocarcinoma tissues and cells, while miR-448 was sluggishly expressed in lung adenocarcinoma. OIP5-AS1 and miR-448 was negatively related to each other, the result was obtained from Pearson correlation analysis. We discovered a fact that OIP5-AS1 could directly sponge miR-448 through using dual luciferase reporter assay, RIP assay and RNA pull-down assay. Cell proliferation, migration and invasion were restrained after we disrupted the expression of OIP5-AS1 in lung adenocarcinoma. We also certified that OIP5-AS1 could sponge and regulate miR-448 to affect cell function in lung adenocarcinoma. MiR-448 could target Bcl-2 and affect the expression of Bcl-2. Then, we discovered that the expression of OIP5-AS1 and Bcl-2 was positively related. So we affirmed that lncRNA OIP5-AS1 modulated the expression of Bcl-2 by targeting miR-448 in lung adenocarcinoma cells.



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