Simultaneous blockade of AP-1 and phosphatidylinositol 3-kinase pathway in non-small cell lung cancer cells
2008

Blocking Two Pathways in Lung Cancer Cells

publication Evidence: moderate

Author Information

Author(s): Kikuchi J, Kinoshita I, Shimizu Y, Oizumi S, Nishimura M, Birrer M J, Dosaka-Akita H

Primary Institution: Hokkaido University Graduate School of Medicine

Hypothesis

Can simultaneous blockade of AP-1 and PI3K pathways inhibit the growth of non-small cell lung cancer cells?

Conclusion

The study found that blocking both AP-1 and PI3K pathways significantly inhibits the growth of certain non-small cell lung cancer cells.

Supporting Evidence

  • TAM67 enhanced the growth inhibition of LY294002 in H1299 cells.
  • LY294002 produced a dose-dependent inhibition of growth in H1299 cells.
  • TAM67 increased G1 cell cycle blockade induced by LY294002.
  • TAM67 and LY294002 acted additively to inhibit anchorage-independent growth of H1299 cells.

Takeaway

This study shows that stopping two important signals in lung cancer cells can help slow down their growth.

Methodology

The study used H1299 NSCLC cells treated with the PI3K inhibitor LY294002 and a dominant-negative mutant of c-Jun, TAM67, to assess their effects on cell growth and signaling pathways.

Statistical Information

P-Value

p<0.01

Statistical Significance

p<0.01

Digital Object Identifier (DOI)

10.1038/sj.bjc.6604782

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