Novel Molecular Markers of Malignancy in Histologically Normal and Benign Breast
Author Information
Author(s): Nasir Aejaz, Chen Dung-Tsa, Gruidl Mike, Henderson-Jackson Evita B., Venkataramu Chinnambally, McCarthy Susan M., McBride Heyoung L., Harris Eleanor, Khakpour Nazanin, Yeatman Timothy J.
Primary Institution: Moffitt Cancer Center & Research Institute
Hypothesis
The study aims to validate specific molecular markers of malignancy in histologically normal breast tissues.
Conclusion
TOP2A, MCM2, and BUB1B proteins are potential molecular biomarkers of malignancy in histologically normal and benign breast tissues.
Supporting Evidence
- TOP2A, MCM2, and BUB1B protein expression increased from low-grade to high-grade molecular abnormalities.
- Immunohistochemical validation confirmed the expression patterns observed in microarray data.
- Mean TOP2A and MCM2 indices were significantly higher in high-grade compared to low-grade tissues.
Takeaway
The study found that certain proteins can help identify breast tissues that might be at risk for cancer, even if they look normal under a microscope.
Methodology
The study used immunohistochemistry to assess the expression of TOP2A, MCM2, and BUB1B proteins in breast tissues from patients.
Limitations
The study had a limited number of histologically normal breast tissues analyzed.
Participant Demographics
The study included 24 adult female patients with a mean age of 50-63 years.
Statistical Information
P-Value
p<0.05
Statistical Significance
p<0.05
Digital Object Identifier (DOI)
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