Characteristics of the Alternative Phenotype of Microglia/Macrophages and its Modulation in Experimental Gliomas
2011

Microglia and Macrophages in Gliomas

Sample size: 4 publication 10 minutes Evidence: moderate

Author Information

Author(s): Gabrusiewicz Konrad, Ellert-Miklaszewska Aleksandra, Lipko Maciej, Sielska Malgorzata, Frankowska Marta, Kaminska Bozena

Primary Institution: Nencki Institute of Experimental Biology, Warsaw, Poland

Hypothesis

The study investigates the role of microglia and macrophages in glioma progression and the effects of cyclosporine A on their activity.

Conclusion

Inhibition of microglia/macrophage infiltration and their pro-invasive functions significantly reduced tumor growth in gliomas.

Supporting Evidence

  • Microglia and macrophages accumulate in gliomas and adopt a pro-invasive phenotype.
  • Treatment with cyclosporine A reduced the infiltration of these cells and tumor growth.
  • Elevated levels of IL-10 and GM-CSF were found in glioma-infiltrating cells.

Takeaway

The study shows that certain brain cells called microglia and macrophages help tumors grow, but a drug called cyclosporine A can help stop this.

Methodology

The study used immunofluorescence, flow cytometry, and in vivo experiments with mice to analyze the effects of cyclosporine A on glioma-infiltrating microglia and macrophages.

Limitations

The study was conducted in a murine model, which may not fully replicate human glioma biology.

Participant Demographics

C57BL/6 mice, 12–16 weeks old.

Statistical Information

P-Value

p<0.001

Statistical Significance

p<0.05

Digital Object Identifier (DOI)

10.1371/journal.pone.0023902

Want to read the original?

Access the complete publication on the publisher's website

View Original Publication