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Updated: Sep 28, 2025
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Published on: November 28, 2015
Analysis of the Mechanism of RAD18 in Glioma
Jiahua Sun1, Jun Li1, Zhengrong Lu1
1Department of Neurosurgery, Shanghai Fifth People's Hospital, Fudan University, Shanghai, China.
Introduction:
This study aimed to evaluate the regulatory mechanism of RAD18 in glioma development.
Methods:
RAD18 expression was compared in glioma tumors and normal samples. Furthermore, we investigated the association between gene transcription and clinical factors in glioma samples, followed by functional enrichment analysis, screening for key Kyoto Encyclopedia of Genes and Genomes (KEGG) pathways, immune infiltration analysis of high and low RAD18 expression groups, and correlation analysis of quantified KEGG signaling pathways and immune cell types.
Results:
The expression of RAD18 was upregulated in gliomas. Moreover, RAD18 expression was significantly correlated with age, tumor grade, and histological subtype. Notably, patients with gliomas with high RAD18 expression levels had worse overall survival. Functional enrichment analysis showed that RAD18 was significantly related to biological processes, such as cell division, chemical synaptic transmission, and mitotic nuclear division, and KEGG pathways such as cell cycle, oxidative phosphorylation, and extracellular matrix (ECM)-receptor interaction. The infiltration of five immune cells (plasma B cells, naive B cells, resting CD4+ memory T cells, monocytes, and M1 macrophages) was significantly different between the high and low RAD18 expression groups, and this difference was significantly related to key KEGG pathways, such as neuroactive ligand-receptor interaction and ECM-receptor interaction.
Conclusion:
RAD18 may serve as a target for glioma treatment and as a key regulator of glioma development.
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