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Regulatory effect of hsa-miR-150-5p on malignant behaviors of glioblastoma U-251MG cells by targeting HIF1α / 中国肿瘤生物治疗杂志
Chinese Journal of Cancer Biotherapy ; (6): 878-883, 2018.
Artigo em Chinês | WPRIM | ID: wpr-812025
ABSTRACT
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Objective:

To explore the effect and possible mechanisms of has-miR-150-5p targeting HIF1α to regulate malignant biological behaviors of glioblastoma (GBM) U-251MG cells.

Methods:

Real-time quantitative PCR (RT-PCR) was used to detect the expression of miR-150-5p and hypoxia inducible factor 1 (HIF1α) in U-251MG cells. Luciferase report assay was carried out to verify the biological relationship between miR-150-5p and HIF1α and their biological functions in U-251MG cells. The protein expressions of miR150-5pand HIF1α in U-251MG cells were detected by western blotting. The ability of cell migration was detected by wound healing test and cell invasion ability was detected by transwell test.

Results:

After miR-150-5p mimic transfection, the mRNA expression of HIF1α was significantly reduced in U-251MG cells (P<0.01). Bioinformatics prediction and luciferase reporter assay demonstrated that miR-150-5p down-regulated HIF1α through directly binding to HIF1α 3’-untranslated region (3’-UTR) (all P<0.05). In U-251MG cells, miR-150-5p over-expression significantly inhibited HIF1α expression, cell invasion and migration (all P<0.05).

Conclusion:

miR150-5p inhibits cell invasion and metastasis through negative regulation of HIF1α, indicating that miR-150-5p and HIF1α were both potential therapeutic targets for glioblastoma.

Texto completo: DisponíveL Índice: WPRIM (Pacífico Ocidental) Tipo de estudo: Estudo prognóstico Idioma: Chinês Revista: Chinese Journal of Cancer Biotherapy Ano de publicação: 2018 Tipo de documento: Artigo

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Texto completo: DisponíveL Índice: WPRIM (Pacífico Ocidental) Tipo de estudo: Estudo prognóstico Idioma: Chinês Revista: Chinese Journal of Cancer Biotherapy Ano de publicação: 2018 Tipo de documento: Artigo