Combination of tunicamycin with anticancer drugs synergistically enhances their toxicity in multidrug-resistant human ovarian cystadenocarcinoma cells
2007

Tunicamycin Enhances Cancer Drug Toxicity in Resistant Ovarian Cells

publication Evidence: high

Author Information

Author(s): Hiss Donavon C, Gabriels Gary A, Folb Peter I

Primary Institution: University of Cape Town

Hypothesis

Can tunicamycin enhance the effectiveness of anticancer drugs in multidrug-resistant ovarian cancer cells?

Conclusion

Tunicamycin significantly increases the toxicity of various anticancer drugs in multidrug-resistant ovarian cancer cells.

Supporting Evidence

  • Tunicamycin decreased the EC50 for doxorubicin, epirubicin, vincristine, and cisplatin, enhancing their cytotoxicity.
  • Tunicamycin prolonged the intracellular retention time of vincristine.
  • Tunicamycin increased the binding of doxorubicin and azidopine to the cells.

Takeaway

Tunicamycin helps cancer drugs work better in stubborn ovarian cancer cells that usually resist treatment.

Methodology

The study examined the effects of tunicamycin on drug sensitivity, uptake, efflux, and binding in ovarian cancer cells using various anticancer drugs.

Participant Demographics

The study used the UWOV2 ovarian cancer cell line derived from a patient resistant to chemotherapy.

Statistical Information

P-Value

<0.001

Confidence Interval

95% CI: 10.34 to 53.96

Statistical Significance

p<0.05

Digital Object Identifier (DOI)

10.1186/1475-2867-7-5

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