Extracellular Vesicles from Plasma of Patients with Glioblastoma Promote Invasion of Glioblastoma Cells Even After Tumor Resection
2024

How Glioblastoma Cell-Derived Extracellular Vesicles Affect Cell Invasion

Sample size: 16 publication 10 minutes Evidence: moderate

Author Information

Author(s): Lyukmanova Ekaterina N., Kirichenko Artem V., Medyanik Igor A., Yashin Konstantin S., Kirpichnikov Mikhail P., Bychkov Maxim L.

Primary Institution: Shenzhen MSU-BIT University

Hypothesis

Do extracellular vesicles from the plasma of glioblastoma patients influence the invasion of glioblastoma cells?

Conclusion

Extracellular vesicles from glioblastoma patients can promote the invasion of glioblastoma cells even after tumor resection.

Supporting Evidence

  • Extracellular vesicles from glioblastoma patients increased the invasion of glioblastoma cells by approximately 70%.
  • After tumor resection, the remaining extracellular vesicles still promoted glioblastoma cell invasion.
  • Healthy donor-derived extracellular vesicles did not affect the invasion of glioblastoma cells.

Takeaway

Researchers found that tiny bubbles called extracellular vesicles from glioblastoma patients can help cancer cells spread, even after surgery to remove the tumor.

Methodology

The study used transwell invasion assays, Western blotting, confocal microscopy, flow cytometry, and immunoassays to analyze the effects of extracellular vesicles.

Potential Biases

Potential overlap of effects from healthy donor EVs and glioblastoma-derived EVs.

Limitations

The study used rat astrocytes instead of human cells and did not analyze the specific EV populations.

Participant Demographics

Plasma samples were obtained from 8 healthy donors and 8 glioblastoma patients.

Statistical Information

P-Value

p<0.05

Statistical Significance

p<0.05

Digital Object Identifier (DOI)

10.3390/biomedicines12122834

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