Abstract:
: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 pull-down 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.
journal_name
Cell Death Disjournal_title
Cell death & diseaseauthors
Liu L,Shi Y,Shi J,Wang H,Sheng Y,Jiang Q,Chen H,Li X,Dong Jdoi
10.1038/s41419-019-1698-7subject
Has Abstractpub_date
2019-06-12 00:00:00pages
463issue
6issn
2041-4889pii
10.1038/s41419-019-1698-7journal_volume
10pub_type
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