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Updated: Jun 4, 2026
06:32
Isolation, Enrichment, and Maintenance of Medulloblastoma Stem Cells
Published on: September 1, 2010
PRAME gene expression profile in medulloblastoma
Tânia Maria Vulcani-Freitas1, Nasjla Saba-Silva, Andréa Cappellano
1Pediatric Oncology Institute, GRAACC, Federal University of São Paulo, SP, Brazil.
Arquivos De Neuro-Psiquiatria
|March 2, 2011
Summary
This study found that PRAME is overexpressed in most childhood medulloblastoma tumors. This suggests PRAME is a promising target for developing new immunotherapies against this aggressive brain cancer.
Area of Science:
- Oncology
- Immunology
- Molecular Biology
Background:
- Medulloblastoma is the most frequent malignant central nervous system tumor in children.
- Current treatments for medulloblastoma are harsh, leading to poor patient outcomes.
- PRAME, a tumor antigen found in various cancers with limited normal tissue expression, presents a potential target for cancer immunotherapy.
Purpose of the Study:
- To investigate the expression of PRAME in medulloblastoma samples.
- To correlate PRAME expression levels with clinical features and patient survival.
Main Methods:
- Gene expression analysis using real-time quantitative PCR on 37 medulloblastoma tumor samples.
- Statistical analysis including Mann-Whitney test and Kaplan-Meier survival curves.
Main Results:
- PRAME was found to be overexpressed in 84% of the analyzed medulloblastoma samples.
- No statistically significant association was observed between PRAME overexpression and patient clinical characteristics.
- Kaplan-Meier analysis did not reveal a correlation between PRAME expression and survival outcomes.
Conclusions:
- PRAME is highly expressed in medulloblastomas, supporting its potential as a target for cancer immunotherapy.
- Despite overexpression, PRAME's correlation with clinical features and survival in this cohort requires further investigation.
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