Inhibition of PI3K increases oxaliplatin sensitivity in cholangiocarcinoma cells
2009

Inhibition of PI3K Increases Oxaliplatin Sensitivity in Cholangiocarcinoma Cells

publication Evidence: moderate

Author Information

Author(s): Leelawat Kawin, Narong Siriluck, Udomchaiprasertkul Wandee, Leelawat Surang, Tungpradubkul Sumalee

Primary Institution: Rajavithi Hospital, Bangkok, Thailand

Hypothesis

Inhibition of PI3K or its downstream target, mTOR, may increase oxaliplatin efficacy in treating cholangiocarcinoma.

Conclusion

Targeting the PI3K pathway may improve the chemotherapeutic sensitivity of cholangiocarcinoma.

Supporting Evidence

  • Oxaliplatin treatment increased phosphorylation of Akt and mTOR in cholangiocarcinoma cells.
  • Combination of oxaliplatin with PI3K inhibitor LY294002 significantly increased cell death.
  • LY294002 treatment resulted in a two-fold increase in the inhibition of cell proliferation with oxaliplatin.

Takeaway

This study found that blocking a specific pathway in cancer cells can make them more sensitive to a chemotherapy drug, which could help treat a difficult type of cancer.

Methodology

Cholangiocarcinoma cell lines were treated with oxaliplatin and specific inhibitors, followed by assays to measure cell proliferation and apoptosis.

Statistical Information

P-Value

0.002

Statistical Significance

p<0.05

Digital Object Identifier (DOI)

10.1186/1475-2867-9-3

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