Glioma Stem Cells: GPRC5A as a Novel Predictive Biomarker and Therapeutic Target Associated with Mesenchymal and Stemness Features

被引:0
作者
Aghamiri, Sara Sadat [1 ]
Amin, Rada [1 ]
机构
[1] Univ Nebraska, Dept Biochem, Lincoln, NE 68503 USA
来源
APPLIED SCIENCES-BASEL | 2024年 / 14卷 / 18期
关键词
glioblastoma; tumor microenvironment; mesenchymal; immune cells; biomarkers; cancer stem cells; EXTRACELLULAR-MATRIX; GLIOBLASTOMA; EXPRESSION; CANCER; RESISTANCE; HYPOXIA; DIFFERENTIATION; PROLIFERATION; MARKERS;
D O I
10.3390/app14188482
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
Glioblastoma multiforme (GBM) represents the deadliest form of brain cancer, characterized by complex interactions within its microenvironment. Despite the understanding of GBM biology, GBM remains highly resistant to any therapy. Therefore, defining innovative biomarkers in GBM can provide insights into tumor biology and potential therapeutic targets. In this study, we explored the potential of GPRC5A to serve as a pertinent biomarker for GBM. We utilized the GBM-TCGA dataset and presented the reproducible bioinformatics analysis for our results. We identified that GPRC5A expression was significantly upregulated in GBM compared to normal tissues, with higher levels correlating with poor overall survival (OS) and progression-free interval (PFI). Moreover, it was associated with key genetic mutations, particularly NF1 and PTEN mutations, and strongly correlated with the mesenchymal stem-like phenotype. GPRC5A was also predominantly associated with aggressive GBM features, including hypoxia, high extracellular matrix (ECM) environments, and extensive stromal and immune infiltrations. Its strong correlation with mesenchymal markers and hypoxic regions underscores its potential as a biomarker and therapeutic target in GBM. These findings provide valuable insights into the role of GPRC5A in GBM pathology and its potential impact as a target for GBM stratifications and treatment strategies.
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页数:21
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