Expression of the c-Met/HGF receptor in human melanocytic neoplasms: demonstration of the relationship to malignant melanoma tumour progression
1993

c-Met/HGF Receptor in Melanoma Progression

Sample size: 67 publication Evidence: moderate

Author Information

Author(s): P.G. Natali, M.R. Nicotra, M.F. Di Renzo, M. Prat, A. Bigotti, R. Cavalieri, P.M. Comoglio

Primary Institution: Regina Elena Cancer Institute

Hypothesis

The expression of the c-Met/HGF receptor is related to the progression of malignant melanoma.

Conclusion

The study found that the c-Met/HGF receptor is expressed at late stages of melanoma progression, particularly in metastatic lesions.

Supporting Evidence

  • The c-MET receptor was undetectable in benign melanocytic lesions.
  • Only four out of 23 primary melanomas expressed the c-MET receptor.
  • 17 out of 44 metastatic lesions showed significant expression of the c-MET receptor.

Takeaway

This study looked at how a specific receptor related to cancer is found more in advanced melanoma cases, suggesting it might help the cancer spread.

Methodology

The study used immunohistochemistry to analyze tissue samples from benign and malignant melanocytic lesions.

Limitations

The study did not find a correlation between c-Met expression and pigmentation levels in melanoma.

Participant Demographics

The study included samples from human melanocytic lesions, including benign nevi, primary melanomas, and metastatic lesions.

Statistical Information

P-Value

p<0.05

Statistical Significance

p<0.05

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