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Updated: Jan 25, 2026

Isolation, Enrichment, and Maintenance of Medulloblastoma Stem Cells
06:32

Isolation, Enrichment, and Maintenance of Medulloblastoma Stem Cells

Published on: September 1, 2010

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CTGF expression is indicative of better survival rates in patients with medulloblastoma

Gustavo Alencastro Veiga Cruzeiro1,2,3, Regia Caroline Peixoto Lira4, Taciani de Almeida Magalhães5

  • 1Department of Oncology, Children's Research Center, Neuro-Oncology group, University Children's Hospital Zürich, August-Forel Strasse 1, CH-8008, Zürich, Switzerland. gavcruzeiro@gmail.com.

Cancer Gene Therapy
|May 11, 2019
PubMed

Insights

Investigating the YAP1 gene in medulloblastoma (MB) revealed that YAP1 knockdown increased cell invasion and decreased CTGF. CTGF is overexpressed in MB with extensive nodularity, indicating better survival in children.

Area of Science:

  • Neuro-oncology
  • Molecular biology
  • Cancer research

Background:

  • Medulloblastoma (MB) is the most common pediatric malignant brain tumor, with four distinct molecular subgroups.
  • The YAP1-CTGF signaling pathway's role in MB pathogenesis remains largely uncharacterized.
  • Understanding MB molecular pathways is crucial for developing targeted therapies.

Purpose of the Study:

  • To investigate the function of the YAP1 gene in the SHH medulloblastoma cell line (DAOY).
  • To assess the impact of YAP1 modulation on cell proliferation, doubling time, and 3D spheroid invasion.
  • To evaluate the relationship between YAP1, CTGF expression, and clinical outcomes in pediatric MB patients.

Main Methods:

  • YAP1 knockdown was performed in DAOY medulloblastoma cells.
  • Cell proliferation, doubling time, and 3D spheroid invasion assays were conducted.
  • CTGF expression was analyzed in patient tumor samples and validated using in silico analysis of large cohorts.

Main Results:

  • YAP1 knockdown in DAOY cells led to increased invasion rates and CTGF downregulation (p < 0.0001).
  • CTGF was found to be overexpressed in medulloblastoma with extensive nodularity.
  • Overexpression of CTGF correlated with higher survival rates in pediatric MB patients (p < 0.05).

Conclusions:

  • CTGF may serve as a potential prognostic biomarker in medulloblastoma.
  • YAP1 appears to play a role in restricting medulloblastoma cell growth and invasion.
  • Further research into the YAP1-CTGF axis could offer therapeutic strategies for pediatric MB.

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