Identification of Genes Affecting the Toxicity of Anti-Cancer Drug Bortezomib by Genome-Wide Screening in S. pombe
2011

Identifying Genes That Affect Bortezomib Toxicity in Yeast

Sample size: 2815 publication Evidence: moderate

Author Information

Author(s): Takeda Kojiro, Mori Ayaka, Yanagida Mitsuhiro

Primary Institution: Okinawa Institute of Science and Technology (OIST), Okinawa, Japan

Hypothesis

We aimed to identify genes affecting the cytotoxicity of Bortezomib in the fission yeast S. pombe.

Conclusion

The study identified 19 genes whose deletions lead to strong synthetic lethality with Bortezomib, providing insights into the drug's mechanisms.

Supporting Evidence

  • Bortezomib effectively inhibits the proliferation of S. pombe.
  • 19 gene-deletion mutants were identified that showed severe growth defects with Bortezomib.
  • 13 of the identified genes are conserved in humans.

Takeaway

Researchers found that certain genes in yeast make the drug Bortezomib more toxic, which helps us understand how the drug works.

Methodology

Genome-wide synthetic lethal screening was performed using a library of 2815 gene-deleted strains of S. pombe.

Limitations

The study is limited to findings in yeast, which may not directly translate to human biology.

Digital Object Identifier (DOI)

10.1371/journal.pone.0022021

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