Gene Expression in Oestrogen-Dependent Breast Cancer Tumors
Author Information
Author(s): A.M. Thompson, C.M. Steel, M.E. Foster, D. Kerr, D. Paterson, D. Deane, R.A. Hawkins, D.C. Carter, H.J. Evans
Primary Institution: Royal Infirmary of Edinburgh
Hypothesis
Can changes in gene expression be detected in oestrogen-dependent breast cancer tumors in vivo?
Conclusion
The study demonstrates that gene expression in breast cancer tumors can change in response to oestrogen stimulation.
Supporting Evidence
- 30 out of 57 mice (53%) grew tumors after receiving MCF-7 cells and estrogen.
- 72% of transplanted tumors grew in mice that received estrogen.
- 89% of recultured cells grew as xenografts in surviving mice.
Takeaway
Scientists studied how breast cancer cells grow in mice and found that giving them estrogen makes them grow faster.
Methodology
The study involved injecting MCF-7 breast cancer cells into mice and measuring tumor growth and gene expression in response to estrogen.
Limitations
The study was limited to a specific mouse strain and may not fully represent human breast cancer behavior.
Participant Demographics
Female CBA strain mice were used in the study.
Statistical Information
P-Value
0.004
Statistical Significance
p=0.004
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