Related Experiment Video
Updated: Aug 5, 2026
05:45
Generation and Downstream Analysis of Single-Cell and Single-Nuclei Transcriptomes in Brain Organoids
Published on: March 29, 2024
Single-nucleus transcriptomics identifies cell cycle and synaptic pathway dysregulation during OPC-to-glioma
Dennis Huang1,2, Angeliki Mela3, Hye-Jin Park2
1Program in Molecular, Cellular and Developmental Biology at The Graduate Center of The City University of New, New York, NY, United States.
Frontiers in Cellular Neuroscience
|August 1, 2026
Summary
This study reveals that proneural glioma tumors emerge from oligodendrocyte progenitor cells (OPCs) exhibiting a distinct "OPC-like" signature and genomic instability, with progression marked by increased neuronal interactions.
Area of Science:
- Neuro-oncology
- Cancer Genomics
- Cellular Biology
Background:
- Gliomas have a poor prognosis and limited treatment options.
- Proneural gliomas are hypothesized to originate from oligodendrocyte progenitor cells (OPCs).
Purpose of the Study:
- To investigate the cellular origins and molecular progression of proneural gliomas.
- To characterize the transcriptional and genomic changes during glioma development.
Main Methods:
- Single-nucleus RNA sequencing (snRNA-seq) of injected cells and brain tissue.
- Inferred copy number variation (inferCNV) analysis.
- Immunohistochemistry and pseudotime analysis.
Main Results:
- An "OPC-like" cell cluster with OPC, cell cycle, and glioma markers was identified in tumors.
- These "OPC-like" cells showed high proliferation, genomic instability (inferCNVs), and increased genomic load over time.
- Pseudotime analysis indicated a loss of cell cycle regulation and increased synaptic signaling in late-stage tumors.
Conclusions:
- Proneural gliomas originate from OPCs with a specific transcriptional signature and genomic alterations.
- Tumor progression involves increasing genomic instability and altered cell signaling, suggesting neuron-glioma interactions.
- This research provides insights into glioma development and potential therapeutic targets.
