Fenofibrate's Effect on Glioblastoma Cells and Lipid Metabolism
Author Information
Author(s): Alkotub Bayan, Bauer Lisa, Bashiri Dezfouli Ali, Hachani Khouloud, Ntziachristos Vasilis, Multhoff Gabriele, Kafshgari Morteza Hasanzadeh
Primary Institution: Technical University of Munich
Hypothesis
The radiosensitizing capacity of fenofibrate in glioblastoma cells depends on lipid metabolism.
Conclusion
Fenofibrate can enhance radiosensitivity in glioblastoma cells with small lipid droplets but protects those with large lipid droplets.
Supporting Evidence
- Fenofibrate significantly radiosensitizes U87 cells by inducing DNA damage.
- LN18 cells are protected by fenofibrate due to their larger lipid droplets.
- Encapsulating fenofibrate in lipid nanoparticles alters its effectiveness.
Takeaway
This study shows that fenofibrate can help some brain cancer cells respond better to radiation, but it can also protect other cells, making them harder to treat.
Methodology
The study involved treating glioblastoma cell lines with fenofibrate and assessing their radiosensitivity through various assays.
Limitations
The study could not induce overexpression of GPAT4 in U87 cells to show a direct link between GPAT4, large lipid droplets, and radioresistance.
Statistical Information
P-Value
p<0.0002
Statistical Significance
p<0.05
Digital Object Identifier (DOI)
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