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August 23, 2025Acta NeuropathologicaOpen Access

DNA methylation analysis reveals an epigenetic signature distinctive of high-grade oligodendroglioma

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Authors

KWKatharina J. WeberGoethe University FrankfurtMDMareike DettkiGoethe University FrankfurtMMMarco Münzberg

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Overview

DNA methylation analysis shows distinct epigenetic signatures in oligodendrogliomas, indicating potential as objective grading tools.

Key Points

  • Higher cellular density and advanced epigenetic age correlate with distinctive LMCs in oligodendrogliomas, enhancing grading accuracy.
  • LMC1 proportions linked to poorer survival outcomes highlight the significance of objective grading in IDH-mutant gliomas.
  • Tumor deconvolution methods were utilized to examine the relationship between LMCs and malignancy markers in gliomas.
  • This research points to the need for integrating epigenetic assessments in clinical grading to reduce observer bias and improve treatment outcomes.

Cite This Study

Weber et al. (2025) studied this question.

synapsesocial.com/papers/68af59ddad7bf08b1eade8d6https://doi.org/10.1007/s00401-025-02926-y
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Also Consider

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  1. 1TET CpG sequence-context-specific DNA demethylation shapes progression of IDH-mutant gliomas2026 · 2 citations
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  3. 3Epigenetic landscape reorganization and reactivation of embryonic development genes are associated with malignancy in IDH-mutant astrocytoma2024 · 1 citations
  4. 4AB019. Detailed analysis of DNA hydroxymethylation observed with the malignant progression of IDH-mutant gliomas2024
  5. 5DNA Methylation-Based Deconvolution Study of Glioblastoma Heterogeneity and Identification of Cell Compositions Associated with Patient Survival2026