Monitoring of cancer ferroptosis with [18F]hGTS13, a system xc- specific radiotracer
2025

Monitoring Cancer Cell Death with a New Imaging Agent

Sample size: 10 publication 10 minutes Evidence: moderate

Author Information

Author(s): Moses Abraham, Malek Rim, Kendirli Mustafa Tansel, Cheung Pierre, Landry Madeleine, Herrera-Barrera Marco, Khojasteh Abbas, Granucci Monica, Bukhari Syed. A., Hooper Jody E., Hayden-Gephart Melanie, Dixon Scott J., Recht Lawrence D., Beinat Corinne

Primary Institution: Stanford University School of Medicine

Hypothesis

Can [18F]hGTS13 be used to monitor ferroptosis in cancer cells?

Conclusion

[18F]hGTS13 is a promising tool for distinguishing between cancer cells that are sensitive or resistant to ferroptosis-inducing therapies.

Supporting Evidence

  • [18F]hGTS13 uptake was significantly higher in resistant cell lines compared to sensitive ones.
  • Treatment with erastin2 decreased [18F]hGTS13 uptake in sensitive cell lines.
  • Dynamic PET imaging showed high uptake of [18F]hGTS13 in glioma-bearing rats.
  • Statistical analysis confirmed significant differences in tracer uptake across cell lines.

Takeaway

[18F]hGTS13 is a special imaging agent that helps doctors see how well cancer treatments work by showing if cancer cells are dying in a specific way.

Methodology

The study involved characterizing cell lines' sensitivity to ferroptosis and evaluating [18F]hGTS13 uptake in vitro and in a rat glioma model.

Limitations

The study used a single rat glioma cell line, which may limit the generalizability of the findings.

Statistical Information

P-Value

p<0.0001

Statistical Significance

p<0.05

Digital Object Identifier (DOI)

10.7150/thno.101882

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