MET phosphorylation predicts poor outcome in small cell lung carcinoma and its inhibition blocks HGF-induced effects in MET mutant cell lines
2011

MET Activation and Inhibition in Small Cell Lung Cancer

Sample size: 77 publication 10 minutes Evidence: moderate

Author Information

Author(s): Arriola E, Cañadas I, Arumí-Uría M, Dómine M, Lopez-Vilariño J A, Arpí O, Salido M, Menéndez S, Grande E, Hirsch F R, Serrano S, Bellosillo B, Rojo F, Rovira A, Albanell J

Primary Institution: Hospital del Mar-Parc de Salut Mar

Hypothesis

Does MET activation predict poor outcomes in small cell lung carcinoma?

Conclusion

Inhibition of MET activation improves outcomes in small cell lung carcinoma patients.

Supporting Evidence

  • 54% of SCLC tumors showed total MET overexpression.
  • 43% of SCLC tumors showed p-MET overexpression.
  • Patients with p-MET overexpression had a median overall survival of 132 days.

Takeaway

This study found that a protein called MET makes small cell lung cancer worse, but blocking it can help patients feel better.

Methodology

The study evaluated MET gene status and protein expression in SCLC cell lines and human samples, using a MET inhibitor to assess its effects.

Limitations

The study was limited to a small sample size and focused on specific mutations.

Participant Demographics

{"median_age":65,"gender_distribution":{"female":12,"male":88},"smoking_history":{"never":1,"former":29,"current":70},"clinical_stage":{"limited":42,"extensive":54}}

Statistical Information

P-Value

p<0.001

Statistical Significance

p<0.001

Digital Object Identifier (DOI)

10.1038/bjc.2011.298

Want to read the original?

Access the complete publication on the publisher's website

View Original Publication