5T4 Antigen in Colorectal and Gastric Cancer
Author Information
Author(s): T. Starzynska, V. Rahi, P.L. Stern
Primary Institution: Medical Pomeranian Academy; Cancer Research Campaign Department of Immunology, Paterson Institute for Cancer Research
Hypothesis
The study aims to determine the relationship between 5T4 expression, tumor growth, and stage of disease in colorectal and gastric carcinomas.
Conclusion
The expression of 5T4 antigen in cancer cells correlates with metastatic spread.
Supporting Evidence
- 85% of colorectal and 81% of gastric carcinoma specimens expressed 5T4 antigen.
- 65% of patients with 5T4 positive tumors had metastases.
- Only 23% of patients with localized disease exhibited tumor labeling.
Takeaway
This study found that a specific protein called 5T4 is more common in cancer cells that have spread to other parts of the body, which might help doctors understand how cancer grows.
Methodology
Immunoperoxidase technique was used to examine 5T4 expression in 72 colorectal and 27 gastric carcinoma samples.
Limitations
The study does not establish correlations with established prognostic factors.
Participant Demographics
The study included 72 colorectal and 27 gastric carcinoma samples from patients.
Statistical Information
P-Value
p<0.001
Statistical Significance
p<0.001
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