The long non-coding RNA SNHG1 promotes glioma progression by competitively binding to miR-194 to regulate PHLDA1 expression

被引:64
|
作者
Liu, Liang [1 ]
Shi, Yan [2 ]
Shi, Jia [1 ]
Wang, Haiyang [1 ]
Sheng, Yujing [1 ]
Jiang, Qiangian [1 ]
Chen, Hua [2 ]
Li, Xiaojian [2 ]
Dong, Jun [1 ]
机构
[1] Soochow Univ, Affiliated Hosp 2, Dept Neurosurg, 1055 Sanxiang Rd, Suzhou 215004, Peoples R China
[2] Nanjing Med Univ, Nanjing Hosp 1, Dept Neurosurg, 68 Changle Rd, Nanjing 210006, Jiangsu, Peoples R China
基金
中国国家自然科学基金;
关键词
CELL-PROLIFERATION; GLUCOSE-METABOLISM; GROWTH; APOPTOSIS; INVASION; CLASSIFICATION; METASTASIS; CARCINOMA; MIGRATION; CANCER;
D O I
10.1038/s41419-019-1698-7
中图分类号
Q2 [细胞生物学];
学科分类号
071009 ; 090102 ;
摘要
Long non-coding RNAs (lncRNAs) play a vital role in tumourigenesis, including that of glioma. Small nucleolar RNA host gene 1 (SNHG1) is a relatively novel lncRNA that is involved in the development of multiple human tumours. However, its underlying molecular mechanism in glioma has not been completely clarified. In this study, we show that SNHG1 is overexpressed in glioma tissues and cell lines. A series of functional assays suggested that SNHG1 promotes glioma progression in vitro and in vivo. Next, through online databases, a luciferase reporter assay and an RNA pulldown assay, we confirmed that SNHG1 functions as a sponge for miR-194, which acts as a suppressor in glioma. We also verified that pleckstrin homology like domain family A, member 1 (PHLDA1) is the functional target of miR-194. Moreover, rescue experiments demonstrated that SNHG1 regulates PHLDA1 expression in a miR-194-dependent manner. Taken together, our study shows that SNHG1 promotes glioma progression by competitively binding to miR-194 to regulate PHLDA1 expression, which may provide a novel therapeutic strategy for glioma.
引用
收藏
页数:14
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