Journal
ONCOTARGET
Volume 8, Issue 48, Pages 84123-84139Publisher
IMPACT JOURNALS LLC
DOI: 10.18632/oncotarget.20340
Keywords
IncRNAs; LINC00461; glioma; proliferation; migration
Categories
Funding
- Natural Science Foundation of China [81371338]
- Wuhan University [2042016kf0181]
- Wuhan Health and Family Planning Commission foundation of key project of clinic medical research [WX15A10]
- Doctoral Foundation of The Central Hospital of Wuhan [YB14A02]
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An increasing number of reports have revealed that long non-coding RNAs are important players in tumorigenesis. Here we showed that long non-coding RNA LINC00461 is highly expressed in glioma tissues compared to non-neoplastic brain tissues. The knockdown of LINC00461 suppressed cyclinD1/A/E expression which led to G0/G1 cell cycle arrest and inhibited cell proliferation in glioma cells. LINC00461 suppression also inhibited glioma cell migration and invasion. The function of LINC00461 in glioma cells is partially mediated by MAPK/ERK and PI3K/AKT signaling pathways as down-regulation of LINC00461 expression suppressed ERK1/2 and AKT activities. Moreover, LINC00461 knockdown decreased expression levels of microRNA miR-9 and flanking genes MEF2C and TMEM161B. Taken together, our results demonstrate that LINC00461 is important for glioma progression affecting cell proliferation, migration and invasion via MAPK/ERK, PI3K/AKT, and possibly other signaling pathways.
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