ESR1 and Nearby Genes in Breast Cancer
Author Information
Author(s): Dunbier Anita K., Anderson Helen, Ghazoui Zara, Lopez-Knowles Elena, Pancholi Sunil, Ribas Ricardo, Drury Suzanne, Sidhu Kally, Leary Alexandra, Martin Lesley-Ann, Dowsett Mitch
Primary Institution: Royal Marsden Hospital, London, United Kingdom
Hypothesis
How do genes adjacent to ESR1 affect breast cancer risk and treatment response?
Conclusion
The study found that certain genes near ESR1 are co-expressed and may influence breast cancer risk and treatment outcomes.
Supporting Evidence
- Three uncharacterized genes were found to be highly correlated with ESR1 expression.
- C6ORF211 knockdown reduced cell proliferation in MCF7 cells.
- C6ORF97 expression correlated negatively with proliferation and predicted improved disease-free survival.
Takeaway
This study looked at how some genes near the ESR1 gene are connected and might help explain why some women get breast cancer and how they respond to treatment.
Methodology
RNA from tumor biopsies of 104 postmenopausal women was analyzed using microarrays before and after treatment with an aromatase inhibitor.
Potential Biases
Potential bias in sample selection and treatment response assessment.
Limitations
The study may not account for all genetic variations affecting breast cancer risk.
Participant Demographics
Postmenopausal women with ER+ primary breast cancer.
Statistical Information
P-Value
p<0.0001
Statistical Significance
p<0.0001
Digital Object Identifier (DOI)
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