Role of Transferrin Receptor and the ABC Transporters ABCB6 and ABCB7 for Resistance and Differentiation of Tumor Cells towards Artesunate Iron and Drug Resistance
2007

How Iron Affects Cancer Cells' Response to Artesunate

Sample size: 36 publication 10 minutes Evidence: moderate

Author Information

Author(s): Gerhard Kelter, Daniel Steinbach, Venkata Badireenath Konkimalla, Tsuyoshi Tahara, Shigeru Taketani, Heinz-Herbert Fiebig, Thomas Efferth

Primary Institution: Oncotest GmbH, Institute of Experimental Oncology, Freiburg, Germany

Hypothesis

Are transferrin receptor and ABC transporters involved in tumor cells' sensitivity to artesunate?

Conclusion

Ferrous iron can enhance the effectiveness of artesunate in some tumor cell lines, but not all.

Supporting Evidence

  • High TfR expression correlates with better response to artesunate.
  • ABCB6 expression increases with artesunate treatment.
  • Iron can enhance the anti-cancer effects of artesunate in some cell lines.

Takeaway

Some cancer cells can be treated better with artesunate if they have more iron, but it doesn't work for every type of cancer cell.

Methodology

The study used a panel of 36 tumor cell lines treated with artesunate and iron to assess sensitivity and resistance.

Potential Biases

Potential bias in cell line selection and treatment response interpretation.

Limitations

The study may not account for all factors influencing tumor response to treatment.

Participant Demographics

The study involved various human tumor cell lines, including leukemia and breast cancer.

Statistical Information

P-Value

p=0.011 for TfR correlation

Statistical Significance

p<0.05

Digital Object Identifier (DOI)

10.1371/journal.pone.0000798

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