Does reductive metabolism predict response to tirapazamine (SR 4233) in human non-small-cell lung cancer cell lines?
1999

Does reductive metabolism predict response to tirapazamine in lung cancer cells?

Sample size: 7 publication Evidence: moderate

Author Information

Author(s): Chinje E C, Patterson A V, Saunders M P, Lockyer S D, Harris A L, Stratford I J

Primary Institution: Experimental Oncology Group, School of Pharmacy and Pharmaceutical Sciences, University of Manchester

Hypothesis

Does the enzyme NADPH:cytochrome P450 reductase influence the toxicity of tirapazamine in non-small-cell lung cancer cell lines?

Conclusion

The enzyme P450R significantly contributes to the activation of tirapazamine in lung cancer cells, affecting their sensitivity to the drug.

Supporting Evidence

  • Tirapazamine selectively kills hypoxic tumor cells.
  • P450R plays a significant role in the activation of tirapazamine.
  • The study relates findings on lung cancer cells to previous research on breast cancer cells.

Takeaway

This study looked at how a specific enzyme helps a cancer drug work better in lung cancer cells.

Methodology

The study evaluated the role of NADPH:cytochrome P450 reductase in the metabolism and toxicity of tirapazamine across seven lung cancer cell lines.

Digital Object Identifier (DOI)

10.1038/sj.bjc.6690819

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