IGFBP3 mRNA Expression in Breast Tumors
Author Information
Author(s): Ren Zefang, Shin Aesun, Cai Qiuyin, Shu Xiao-Ou, Gao Yu-Tang, Zheng Wei
Primary Institution: Vanderbilt University
Hypothesis
The study investigates the role of IGFBP-3 mRNA expression levels in benign and malignant breast tumors and their adjacent normal tissues.
Conclusion
The expression level of IGFBP3 in breast tissues may be involved in breast tumorigenesis.
Supporting Evidence
- Cancer tissues had significantly lower IGFBP3 expression than benign tumor tissues.
- IGFBP3 expressions were higher in patients with proliferative benign tumors than in those with non-proliferative benign tumors.
- Among patients with benign breast disease, IGFBP3 expression in the tumor was significantly higher than in adjacent normal tissue.
Takeaway
This study looked at how a protein called IGFBP3 behaves in breast tumors and found that it acts differently in benign and cancerous tissues.
Methodology
Real-time quantitative PCR was used to measure IGFBP3 mRNA expression levels in breast tumor tissues and adjacent normal tissues.
Limitations
The study did not find associations of IGFBP3 expression with overall survival or disease-free survival.
Participant Demographics
The mean age was 48.1 years for patients with breast cancer and 42.7 years for patients with benign breast disease.
Statistical Information
P-Value
p < 0.001
Statistical Significance
p < 0.001
Digital Object Identifier (DOI)
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