Journal
JOURNAL OF CELLULAR PHYSIOLOGY
Volume 233, Issue 10, Pages 6621-6629Publisher
WILEY
DOI: 10.1002/jcp.26381
Keywords
glioma; invasion; LHX6; migration; miR-1290; proliferation
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Funding
- Natural Science Foundation of Heilongjiang Province, China [H2015078]
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To investigate the interaction of miR-1290 and LHX6 in gliomas, and their influence on the propagation and metastasis of glioma cells. The differential expression of miR-1290 in glioma cells was identified by chip screening. The expression level of miR-1290 and LHX6 were determined by qRT-PCR and Western blot. The influence of miR-1290 on propagation of glioma cells were analyzed by MTT assay, EdU incorporation, and colony formation, while the impact of miR-1290 on metastasis was assessed by transwell assay. The relationship between LHX6 and miR-1290 was testified by luciferase reporter assay. The gliomas orthotopic implantation model of nude mice was established to investigate the influence of miR-1290 and LHX6 on tumor growth. Tumor volumes were evaluated by photon density, and the expression of Ki67 protein was analyzed by immunohistochemistry. MiR-1290 presented a higher expression in glioma cells and tissues. MiR-1290 overexpression significantly promoted propagation and metastasis of glioma cells, while miR-1290 knockdown inhibited glioma development. MiR-1290 suppressed LHX6 expression, facilitating development of glioma cells. The orthotopic implantation model showed that miR-1290 overexpression promoted tumor growth while LHX6 overexpression inhibited it. MiR-1290 could promote glioma cell propagation and metastasis by inhibiting LHX6.
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