Transforming Growth Factors in Human Breast Cancer
Author Information
Author(s): P. Barrett-Lee, M. Travers, Y. Luqmani, R.C. Coombes
Primary Institution: St George's Hospital Medical School
Hypothesis
What is the relationship between transforming growth factors and breast cancer characteristics?
Conclusion
The study found that while TGF beta mRNA levels were higher in breast cancers compared to non-neoplastic tissue, none of the growth factors significantly predicted patient outcomes.
Supporting Evidence
- TGF beta mRNA was found in all breast cancers and non-neoplastic breast tissues, but levels were higher in breast cancers.
- EGFR mRNA was detected in 55% of breast cancers and all non-neoplastic breast tissue tested.
- Co-expression of TGF alpha and EGFR was observed in 28% of carcinomas, more commonly in ER negative tumors.
Takeaway
This study looked at how certain growth factors are found in breast cancer and normal breast tissue, but they didn't find a clear link to how well patients do after treatment.
Methodology
The study analyzed mRNA levels of TGF alpha, TGF beta, and EGFR in breast cancer and non-neoplastic tissue samples using dot blot hybridization.
Limitations
The study had a relatively small sample size and required longer follow-up to determine the prognostic value of TGFs.
Participant Demographics
The study included 69 breast carcinoma samples and 20 benign breast tissue samples, with a majority being infiltrating ductal carcinomas.
Statistical Information
P-Value
0.01
Statistical Significance
p<0.05
Want to read the original?
Access the complete publication on the publisher's website