Production of matrix metalloproteinase 9 (92-kDa gelatinase) by human oesophageal squamous cell carcinoma in response to epidermal growth factor
1993

Matrix Metalloproteinase Production in Oesophageal Cancer

Sample size: 4 publication Evidence: moderate

Author Information

Author(s): I. Shimal, Y. Sasaguri, J. Kusukawa, R. Nakano, H. Yamana, H. Fujita, T. Kakegawa, M. Morimatsu

Primary Institution: Kurume University School of Medicine

Hypothesis

Can epidermal growth factor (EGF) stimulate the production of matrix metalloproteinase 9 (proMMP-9) in oesophageal squamous cell carcinoma cell lines?

Conclusion

The study found that EGF stimulates the production of proMMP-9 in certain oesophageal carcinoma cell lines, which may play a significant role in the cancer's invasion and metastasis.

Supporting Evidence

  • Oesophageal squamous cell carcinoma cell lines produced various matrix metalloproteinases including proMMP-1, -2, -3, and -9.
  • EGF treatment increased proMMP-9 production in a dose-dependent manner in some cell lines.
  • Interaction between oesophageal carcinoma and stromal fibroblasts may influence MMP production.

Takeaway

Some cancer cells can make special proteins that help them spread, and a substance called EGF can make these proteins even more.

Methodology

The study involved culturing four human oesophageal squamous cell carcinoma cell lines and analyzing their production of matrix metalloproteinases in response to EGF treatment.

Participant Demographics

Human oesophageal squamous cell carcinoma cell lines

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