The Warburg Effect Suppresses Oxidative Stress Induced Apoptosis in a Yeast Model for Cancer
2009

The Warburg Effect and Yeast Cancer Model

Sample size: 500 publication Evidence: moderate

Author Information

Author(s): Christoph Ruckenstuhl, Sabrina Büttner, Didac Carmona-Gutierrez, Tobias Eisenberg, Guido Kroemer, Stephan J. Sigrist, Kai-Uwe Fröhlich, Frank Madeo

Primary Institution: Institute of Molecular Biosciences, University of Graz, Graz, Austria

Hypothesis

Does decreased respiration contribute to tumorigenesis in a yeast model?

Conclusion

The Warburg effect may initiate cancer formation by decreasing respiration, which suppresses apoptosis.

Supporting Evidence

  • Repression of respiration in yeast cells leads to increased survival during colony development.
  • Enhanced respiration triggers cell death in yeast, supporting the Warburg effect hypothesis.
  • Using antioxidants like glutathione improves survival rates in yeast under respiratory stress.

Takeaway

This study shows that when yeast cells stop breathing, they can survive better and avoid dying, which might help us understand how cancer starts.

Methodology

The study used Saccharomyces cerevisiae to manipulate respiration and assess its effects on apoptosis and ROS production.

Statistical Information

P-Value

p<0.006

Statistical Significance

p<0.006

Digital Object Identifier (DOI)

10.1371/journal.pone.0004592

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