ArticleBMC cancer2023
Circ_0021350 plays an oncogene role by regulating miR-1207-3p/PIK3R3 in glioblastoma.
Article in BMC cancer, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers.
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Who cites it
5 citing papers in PubMed.
- Long non-coding RNAs in glioblastoma: from molecular drivers to therapeutic targets.Frontiers in immunology · 2026Review
- PLEKHA4 is transcriptionally regulated by HOXD9 and regulates glycolytic reprogramming and progression in glioblastoma via activation of the STAT3/SOCS-1 pathway.Oncogenesis · 2025Article
- Transitioning from molecular methods to therapeutic methods: An in‑depth analysis of glioblastoma (Review).Oncology reports · 2025Review
- The Role of the Dysregulation of circRNAs Expression in Glioblastoma Multiforme.Journal of molecular neuroscience : MN · 2025Review
- Inhibition of circular JUN prevents the proliferation and invasion of glioblastoma via miR-3064-IGFBP5 axis.Journal of cellular and molecular medicine · 2024Article
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Authors and funding
8 authors.
Funding
Abstract
backgroundGlioblastoma (GBM) is the most malignant glioma, with poor survival rates and prognosis. Several studies have reported the abnormal expression of circular RNAs (circRNAs) and their functions in the malignant biological behavior of GBM. However, such research is still in the preliminary stages, and further study is needed to confirm the therapeutic potential of circRNAs in GBM.
methodsRNA-seq was performed using four tumor tissues from patients with GBM and their adjacent non-tumor brain tissues to screen differentially expressed circRNAs. Fluorescence in situ hybridization assay was used to examine the location of circ_0021350 in glioma cells. In addition, a series of biological function assays were employed to verify the oncogenic role of circ_0021350 in GBM. Quantitative reverse transcription PCR was used to examine circular, micro- (miRNA), and messenger RNA (mRNA) levels. Furthermore, dual-luciferase reporter, RNA pull-down, and RNA binding protein immunoprecipitation assays were applied to verify the interaction between circ_0021350 and its downstream effectors.
resultsCirc_0021350 was significantly elevated in GBM tissues and glioma cells. Overexpression of circ_0021350 promoted glioma cell proliferation and metastatic ability; silencing of circ_0021350 had the opposite effect. Mechanistic analysis revealed that circ_0021350 sponged miR-1207-3p to regulate PIK3R3, whose overexpression reversed the reduction in the malignant biological behavior of glioma cells caused by silencing circ_0021350.
conclusionOur findings suggest that circ_0021350 is an oncogenic circRNA in GBM, and the circ_0021350/miR-1207-3p/PIK3R3 axis may serve as a potential therapeutic target in GBM treatment.
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