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April 5, 2026Cancer Research

Abstract 6172: The transcription factor DMRTA2 regulates radial glial maintenance and tumorigenicity of pediatric high-grade glioma

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Authors

HRHitomi RoystonAHAutumn HamptonEOElissa G. Oliver

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Overview

Findings reveal that DMRTA2 regulates tumor growth in pediatric high-grade gliomas, indicating its vital role in neural development.

Key Points

  • The study aims to understand the role of DMRTA2 in radial glial maintenance and pediatric high-grade glioma tumorigenesis.
  • Analyzed single-cell RNA-seq data from human fetal brains and cerebral organoids.
  • Used CRISPR-Cas9 to knock out DMRTA2 in human embryonic stem cell lines and derived cerebral organoids.
  • Examined DMRTA2 expression in DHG-H3G34 tumors.
  • Performed xenograft studies with luciferase-labeled DMRTA2 wild-type and knockout cells.
  • DMRTA2 knockout organoids showed reduced size, lower proliferation, and fewer radial glial cells.
  • High DMRTA2 expression identified specifically in DHG-H3G34 tumors.
  • Loss of DMRTA2 led to decreased RG-like cell populations and increased differentiated cells in model cells.
  • In vivo studies indicated significantly reduced tumor growth in DMRTA2 knockout xenografts.

Cite This Study

Royston et al. (2026) studied this question.

synapsesocial.com/papers/69d1fd9ca79560c99a0a3ca4https://doi.org/10.1158/1538-7445.am2026-6172
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