Effect of Interferon on Epidermal Growth Factor Receptor in Breast Cancer Cells
Author Information
Author(s): A.W. Hamburger, G.D. Pinnamaneni
Primary Institution: University of Maryland Cancer Center
Hypothesis
Does interferon treatment increase the expression of epidermal growth factor receptor (EGFR) in human breast carcinoma cells?
Conclusion
Interferon treatment increases the expression of EGFR mRNA and protein in human breast carcinoma cells while inhibiting cell growth.
Supporting Evidence
- Interferon treatment increased EGFR mRNA levels by up to four times control values after five days.
- EGFR protein levels were found to be three times higher in interferon-treated cells.
- Interferon treatment inhibited the growth of MDA 468 cells in a dose-dependent manner.
Takeaway
Interferon helps breast cancer cells make more of a protein that usually helps them grow, but it also stops them from growing.
Methodology
MDA 468 breast carcinoma cells were treated with interferon and analyzed for EGFR mRNA and protein levels through various biochemical techniques.
Limitations
The study does not explore the long-term effects of interferon treatment on cell growth and receptor expression.
Participant Demographics
Human breast carcinoma cell line (MDA 468).
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