Gene Expression Signature Analysis Identifies Vorinostat as a Candidate Therapy for Gastric Cancer
2011

Vorinostat as a Potential Therapy for Gastric Cancer

Sample size: 65 publication 10 minutes Evidence: moderate

Author Information

Author(s): Claerhout Sofie, Lim Jae Yun, Choi Woonyoung, Park Yun-Yong, Kim KyoungHyun, Kim Sang-Bae, Lee Ju-Seog, Mills Gordon B., Cho Jae Yong

Primary Institution: The University of Texas MD Anderson Cancer Center

Hypothesis

Can gene expression signature analysis identify effective therapeutic agents for gastric cancer?

Conclusion

Vorinostat has been identified as a potential therapeutic agent for gastric cancer, showing efficacy in inducing apoptosis and autophagy in cancer cell lines.

Supporting Evidence

  • Vorinostat induced apoptosis and autophagy in gastric cancer cell lines.
  • Gene expression analysis identified specific genes that were downregulated by vorinostat treatment.
  • Connectivity Map analysis confirmed vorinostat as a top candidate for gastric cancer therapy.

Takeaway

Researchers found that a drug called vorinostat might help treat stomach cancer by making cancer cells die. They used special tests to see how it worked.

Methodology

The study used microarray technology to analyze gene expression profiles from gastric cancer tissue samples and performed Connectivity Map analysis to identify candidate drugs.

Potential Biases

Potential bias in drug efficacy due to the limited number of cell lines used in the study.

Limitations

The study's findings may not fully translate to in vivo conditions due to the complexity of human cancer and the limitations of cell line data.

Participant Demographics

The study included 65 gastric cancer patients, predominantly male (71%) with a median age of 63 years.

Statistical Information

P-Value

<0.001

Statistical Significance

p<0.001

Digital Object Identifier (DOI)

10.1371/journal.pone.0024662

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