ArticleActa neurochirurgica2025
HMGA2 is an independent prognostic indicator and a potential therapeutic target for IDH-mutant astrocytoma.
Article in Acta neurochirurgica, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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4 authors.
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Abstract
purposeAlthough IDH-mutant astrocytomas exhibit more favorable survival outcomes compared to their IDH-wildtype counterparts, therapeutic failure in recurrent cases persists as a significant clinical challenge. The objective of this study is to identify genes associated with recurrence in IDH-mutant astrocytoma and to elucidate their expression pattern, biological functions, and prognostic value.
methodsRNA-sequencing data of patients with IDH-mutant astrocytoma were collected from 96 cases in the Chinese Glioma Genome Atlas (CGGA) database, 150 cases in CGGA2019 and 222 cases in The Cancer Genome Atlas (TCGA). Differentially expressed genes (DEGs) were identified using unpaired t-tests between recurrent and primary IDH-mutant astrocytoma. GO and KEGG analyses were performed to analyze these DEGs. Pearson correlation analysis was employed to assess the correlation between High mobility group AT-hook 2 (HMGA2) and genes associated with cell invasion and extracellular matrix components. Kaplan-Meier analyses and univariate and multivariate Cox regression analyses were conducted to assess the prognosis.
resultsHMGA2 was highly expressed in patients with recurrent IDH-mutant astrocytoma in comparison to those with primary IDH-mutant astrocytoma. Patients with higher HMGA2 expression are more likely to have high-grade gliomas and to be in the O6-methylguanine-DNA methyltransferase promoter (MGMTp) methylation group. Functional enrichment and correlation analyses revealed that HMGA2 is closely related to extracellular matrix content and cell migration and invasion ability. HMGA2 is an independent prognostic factor associated with poor prognosis in patients with IDH-mutant astrocytoma.
conclusionsHMGA2 was highly expressed in recurrent IDH-mutant astrocytoma, with higher expression levels associated with increased cell migration and invasion abilities. HMGA2 has the potential to serve as a biomarker for poor prognosis and may represent an effective therapeutic target in the treatment of IDH-mutant astrocytoma.
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