Altered expression of E-cadherin in gastric cancer tissues and carcinomatous fluid
1992

E-cadherin Expression in Gastric Cancer

Sample size: 21 publication Evidence: moderate

Author Information

Author(s): K. Matsuura, J. Kawanishi, S. Fujii, M. Imamura, S. Hirano, M. Takeichi, Y. Niitsu

Primary Institution: Sapporo Medical College; Kyoto University

Hypothesis

The study investigates the relationship between E-cadherin expression and intercellular adhesion in gastric cancer.

Conclusion

The study found that loss of E-cadherin expression in cancer cells may facilitate their infiltration into tissues and fluids.

Supporting Evidence

  • Almost all cancer cells in well and moderately differentiated adenocarcinomas stained for E-cadherin as strongly as normal gastric mucosa.
  • Poorly differentiated adenocarcinomas showed light staining for E-cadherin, indicating impaired function.
  • Signet ring cell carcinomas exhibited hardly any staining for E-cadherin.

Takeaway

This study looked at how a protein called E-cadherin behaves in stomach cancer cells, finding that when it's not working well, the cancer cells can spread more easily.

Methodology

The study used immunoperoxidase staining to analyze E-cadherin expression in tissue specimens from gastric cancer patients.

Limitations

The study primarily focused on E-cadherin expression without exploring other potential factors influencing cancer cell behavior.

Participant Demographics

Participants included 21 patients with various histological types of gastric cancer, including well, moderately, and poorly differentiated adenocarcinomas.

Want to read the original?

Access the complete publication on the publisher's website

View Original Publication