Ras p21 in Breast Tissue: Associations with Pathology
Author Information
Author(s): J.J. Going, T.J. Anderson, A.H. Wyllie
Primary Institution: Cancer Research Campaign Laboratories, Department of Pathology, University Medical School, Edinburgh
Hypothesis
What is the relationship between p21 ras expression and breast tissue pathology?
Conclusion
The study found that p21 ras expression varies in breast tissue and is associated with different pathological states.
Supporting Evidence
- p21 ras expression was weak in normal epithelium but increased in hyperplastic and atypical epithelium.
- Expression in carcinomas was inversely related to oestrogen receptor content.
- Immunostaining intensity was consistently strong in carcinomas compared to benign epithelium.
Takeaway
This study looked at how a protein called p21 ras behaves in breast tissue from women with different types of breast conditions, showing that it changes with the severity of the condition.
Methodology
Immunocytochemistry was used to assess p21 ras expression in paraffin sections of breast tissue from 171 women.
Limitations
The study excluded women who had received prior chemotherapy, radiotherapy, or endocrine manipulation.
Participant Demographics
171 women treated at the Breast Unit, Longmore Hospital, Edinburgh.
Statistical Information
P-Value
p<0.01
Statistical Significance
p<0.001
Want to read the original?
Access the complete publication on the publisher's website