Indomethacin-induced activation of the death receptor-mediated apoptosis pathway circumvents acquired doxorubicin resistance in SCLC cells
2005

Indomethacin and Doxorubicin Resistance in Lung Cancer Cells

publication 10 minutes Evidence: moderate

Author Information

Author(s): de Groot D J A, Timmer T, Spierings D C J, Le T K P, de Jong S, de Vries E G E

Primary Institution: University Medical Center Groningen

Hypothesis

Can indomethacin activate the death receptor-mediated apoptosis pathway to overcome doxorubicin resistance in small-cell lung cancer (SCLC) cells?

Conclusion

Indomethacin increases the cytotoxic activity of doxorubicin in a doxorubicin-resistant SCLC cell line partly via the death receptor apoptosis pathway, independent of Fas.

Supporting Evidence

  • Indomethacin induced apoptosis in doxorubicin-resistant SCLC cells but not in sensitive cells.
  • Indomethacin increased caspase activity and doxorubicin sensitivity in resistant cells.
  • Fas-mediated apoptosis was functional in resistant cells only when a protein synthesis inhibitor was present.

Takeaway

This study shows that a drug called indomethacin can help make a type of cancer cell more sensitive to another drug, doxorubicin, by triggering a process that leads to cell death.

Methodology

The study used Western blotting and apoptosis assays to analyze the effects of indomethacin and doxorubicin on SCLC cell lines.

Limitations

The study primarily focuses on in vitro results, which may not fully translate to in vivo conditions.

Statistical Information

P-Value

p<0.05

Statistical Significance

p<0.05

Digital Object Identifier (DOI)

10.1038/sj.bjc.6602516

Want to read the original?

Access the complete publication on the publisher's website

View Original Publication