Inhibition of mitogen stimulated growth of human colon cancer cells by interferon
1988
Interferon Inhibits Growth of Colon Cancer Cells
publication
Evidence: moderate
Author Information
Author(s): A.W. Hamburger, M.E. Condon, K. O'Donnell
Primary Institution: University of Maryland Cancer Center
Hypothesis
Can interferon inhibit the growth of human colon cancer cells by interfering with growth factor stimulation?
Conclusion
Interferon inhibits the growth of a colon cancer cell line by blocking the effects of insulin and transferrin.
Supporting Evidence
- Interferon reduced cell growth to 17% of control values.
- Addition of interferon before growth factor stimulation was necessary for effective inhibition.
- High concentrations of growth factors could not overcome the inhibitory effect of interferon.
Takeaway
Interferon helps stop cancer cells from growing by blocking the signals that tell them to grow.
Methodology
Colo 205 cells were treated with interferon and growth factors, and DNA synthesis was measured using thymidine incorporation and flow cytometry.
Limitations
The study primarily focuses on one cell line and may not represent all colon cancer types.
Statistical Information
Statistical Significance
p<0.05
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