Expression of Oestrogen Receptor Beta in Breast Cancer
Author Information
Author(s): Saunders P T K, Millar M R, Williams K, Macpherson S, Bayne C, O'Sullivan C, Anderson T J, Groome N P, Miller W R
Primary Institution: MRC Human Reproductive Sciences Unit
Hypothesis
What is the prevalence of oestrogen receptor beta protein expression in breast cancer biopsies?
Conclusion
The study found that oestrogen receptor beta was expressed in 94% of breast cancer samples, indicating its potential role in breast cancer biology.
Supporting Evidence
- All samples tested were positive for ERβ following RT–PCR.
- 94% of the breast cancer samples were immunopositive for oestrogen receptor beta.
- Expression of oestrogen receptor beta was exclusively nuclear and occurred in multiple cell types.
Takeaway
This study looked at breast cancer samples to see if they had a specific protein called oestrogen receptor beta, and most of them did.
Methodology
The study used immunohistochemistry and Western blot analysis to detect the expression of oestrogen receptor beta in breast cancer biopsies.
Limitations
The study did not determine the quantitative relationship between the expression of oestrogen receptor alpha and beta.
Participant Demographics
Patients presenting to the Edinburgh Breast Unit with a diagnosis of breast cancer.
Digital Object Identifier (DOI)
Want to read the original?
Access the complete publication on the publisher's website