Inhibition of transforming growth factor α (TGF-α)-mediated growth effects in ovarian cancer cell lines by a tyrosine kinase inhibitor ZM 252868
1999

Inhibition of Growth in Ovarian Cancer Cells by ZM 252868

Sample size: 4 publication Evidence: moderate

Author Information

Author(s): Simpson B J B, Bartlett J M S, Macleod K G, Rabiasz G, Miller E P, Rae A L, Gordge P, Leake R E, Miller W R, Smyth J, Langdon S P

Primary Institution: Imperial Cancer Research Fund Medical Oncology Unit, Western General Hospitals NHS Trust, Edinburgh, EH4 2XU, UK

Hypothesis

Can the tyrosine kinase inhibitor ZM 252868 inhibit TGF-α-mediated growth effects in ovarian cancer cell lines?

Conclusion

The study found that ZM 252868 can effectively inhibit the growth of ovarian carcinoma cells in vitro by blocking tyrosine phosphorylation at the EGF receptor.

Supporting Evidence

  • ZM 252868 completely inhibited TGF-α-stimulated growth in PE01 and PE04 cell lines at concentrations ≥ 0.3 μM.
  • In SKOV-3 cells, TGF-α growth was inhibited by ZM 252868 at concentrations ≥ 0.1 μM.
  • The inhibitor reversed TGF-α inhibition of PE01CDDP growth at concentrations ≥ 0.1 μM.
  • ZM 252868 completely inhibited TGF-α-stimulated tyrosine phosphorylation of the EGF receptor.

Takeaway

This study shows that a drug called ZM 252868 can stop certain cancer cells from growing by blocking signals that tell them to grow.

Methodology

The effects of ZM 252868 on cell growth and signaling were evaluated in four ovarian carcinoma cell lines.

Digital Object Identifier (DOI)

10.1038/sj.bjc.6690175

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