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Author Spotlight: Enhanced Generation of Patient-Derived 3D Organoids for Glioblastoma and Glioma
Published on: January 19, 2024
Glioma.
Michael Weller1, Wolfgang Wick2, Ken Aldape3
1Department of Neurology and Brain Tumor Center, University Hospital Zurich and University of Zurich, Frauenklinikstrasse 26, CH-8091 Zurich, Switzerland.
New glioma classifications based on molecular profiling, like IDH mutations and 1p/19q co-deletion, improve prognosis prediction for adult brain tumors. Pediatric gliomas have distinct molecular features and better outcomes.
Area of Science:
- Neuro-oncology
- Genomics
- Molecular Pathology
Background:
- Gliomas, primary brain tumors, traditionally classified by histology and WHO grade.
- Recent advances in genomic, transcriptomic, and epigenetic profiling have revolutionized glioma classification.
Purpose of the Study:
- To present updated concepts for classifying and treating gliomas based on molecular insights.
- To differentiate adult and pediatric glioma classifications and their prognostic implications.
Main Methods:
- Genomic, transcriptomic, and epigenetic profiling of gliomas.
- Analysis of molecular subgroups in adult and pediatric populations.
- Review of current and potential future treatment strategies.
Main Results:
- Adult gliomas reclassified into three distinct molecular groups: IDH-mutant/1p/19q-co-deleted (best prognosis), IDH-mutant/1p/19q-non-co-deleted (intermediate), and IDH-wildtype (poor prognosis).
- Pediatric gliomas are molecularly distinct, with pilocytic astrocytomas (WHO grade I) showing favorable prognosis and frequent BRAF alterations.
- Ependymal tumors exhibit distinct epigenetic subgroups based on location and prognosis.
Conclusions:
- Molecular classification significantly refines glioma prognosis and treatment stratification.
- Tailored treatment strategies targeting specific molecular pathways and antigenic profiles hold promise for improved outcomes.
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