Aggressiveness of Glioma Stem Cells in Recurrent Tumors
Author Information
Author(s): Huang Qiang, Zhang Quan-Bin, Dong Jun, Wu Yin-Yan, Shen Yun-Tian, Zhao Yao-Dong, Zhu Yu-De, Diao Yi, Wang Ai-Dong, Lan Qing
Primary Institution: The Second Affiliated Hospital of Suzhou University
Hypothesis
Are glioma stem cells more aggressive in recurrent tumors compared to primary tumors?
Conclusion
The study found that glioma stem cells from recurrent tumors are more aggressive than those from primary tumors.
Supporting Evidence
- GSCs from recurrent tumors showed more aggressive growth patterns in animal models.
- Both GSC lines maintained their characteristics for over three years in culture.
- Genetic alterations common to both lines included amplification of EGFR and deletion of PTEN.
Takeaway
This study shows that the bad cells in brain tumors can become even worse when the tumor comes back after treatment.
Methodology
GSCs were isolated from surgical specimens of primary and recurrent glioma, maintained in vitro, and characterized through various techniques.
Participant Demographics
One 52-year-old female patient with glioma.
Digital Object Identifier (DOI)
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