ArticleTranslational cancer research2024
MiR-155-5p regulates autophagy and apoptosis of glioma cells through RICTOR.
Article in Translational cancer research, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 7 papers.
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Who cites it
7 citing papers in PubMed.
- COL10A1 overexpression potentially contributes to poor outcomes in breast cancer via autophagy and vasculogenic mimicry.Translational cancer research · 2026Article
- Epigenetic H3K4me3 activation of miR-155-5p promotes intervertebral disc degeneration via autophagy and ageing in nucleus pulposus cells.Non-coding RNA research · 2026Article
- Mechanistic insights into PABPC5-mediated regulation of apoptosis in glioma pathophysiology.Scientific reports · 2026Article
- Reduced expression of BIRC2 and BIRC3 associated with longer survival in pediatric high-grade gliomas.Scientific reports · 2026Article
- The oncogenic role of miR-155 on oral cancer progression and treatment strategies.Discover oncology · 2025Review
- The LncRNA GABARAPL3/miR-155-5p axis modulates the proliferation and invasion of liver cancer cells by regulating GABARAPL1.Molecular biology reports · 2025Article
- Autophagy in brain tumors: molecular mechanisms, challenges, and therapeutic opportunities.Journal of translational medicine · 2025Review
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8 authors.
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Abstract
Background: Glioma characterized by the high degree of drug resistance and the poor prognosis is the most common primary malignant tumors of the brain. And miRNA is involved in a variety of biological behaviors of tumors, enhancing or inhibiting the occurrence and development of tumors. Therefore, the present study aims to explore whether miR-155-5p can regulate autophagy and apoptosis of glioma through RICTOR. Methods: The significantly differential gene miR-155-5p was identified from the Gene Expression Omnibus (GEO; http://www.ncbi.nlm.nih.gov/geo) databases GSE165937 and GSE138764 using bioinformatics analysis, and its expression was validated by quantitative real-time polymerase chain reaction (qRT-PCR). The putative target genes of miR-155-5p were predicted through interrogation of relevant databases, followed by identification of key target genes. Subsequently, core target genes were selected for functional enrichment analysis. The U87MG cell line was utilized as the experimental model and divided into Negative Control1 (NC1) group, Mimic group, Negative Control2 (NC2) group, Inhibitor group, and NC + 3-methyladenine (3-MA) group. The expression levels of miR-155-5p, RICTOR, P62, LC-3, Bax, Bcl-2, and Caspase-3 were assessed using qRT-PCR, cellular fluorescence imaging, and Western blotting; while apoptosis in the U87MG cell line was evaluated via flow cytometry. Results: The results showed that miR-155-5P was highly expressed in glioma cells, which could inhibit the expression of Bax, Caspase-3, LCII/LCI and Beclin-1, and increase the expression of Bcl2 and P62. Flow cytometry and cell fluorescence were used to verify the above results. Moreover, when U87MG cells treated with miR-155-5p inhibitor were inhibited by 3-MA, the results showed that miR-155-5p enhanced the anti-apoptotic ability of U87MG cells by regulating autophagy. In addition, the bioinformatics results show that miR-155-5p survival prognosis in glioma into a strong negative correlation, while the survival prognosis of RICTOR in glioma showed a strong positive correlation. The core target genes Kyoto Encyclopedia of Genes and Genomes (KEGG) mainly occurred in PI3K-AKT signaling pathway; in addition, qRT-PCR and Western blot confirmed the regulatory effect of miR-155-5P on RICTOR. Conclusions: MiR-155-5p regulates autophagy and apoptosis-related proteins in glioma cells through RICTOR, affecting the occurrence and development of glioma.
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