Role of 17β-Hydroxysteroid Dehydrogenase in Breast Cancer
Author Information
Author(s): Suzuki T, Moriya T, Ariga N, Kaneko C, Kanazawa M, Sasano H
Primary Institution: Tohoku University School of Medicine
Hypothesis
This study investigates local regulatory mechanisms of oestrogens in human breast carcinoma.
Conclusion
The study suggests that 17β-HSD type 1 plays an important role in the regulation of in situ oestradiol production in hormone-dependent breast carcinomas.
Supporting Evidence
- 17β-HSD type 1 was found in 61.3% of the invasive ductal carcinoma cases.
- A significant inverse correlation was observed between 17β-HSD type 1 expression and histological grade.
- There was a significant correlation between 17β-HSD type 1 and estrogen receptor labelling index.
- 17β-HSD type 1 was correlated with progesterone receptor labelling index.
- A significant inverse correlation was found between 17β-HSD type 1 and Ki-67 labelling index.
Takeaway
Researchers looked at a protein in breast cancer cells to see how it affects hormone levels, finding it plays a big role in how the cancer grows.
Methodology
Immunohistochemical examination of 17β-HSD type 1 and type 2 in invasive ductal carcinomas.
Limitations
No significant correlations were detected between 17β-HSD type 1 and several clinicopathological parameters.
Statistical Information
P-Value
P<0.0001, P<0.05, P<0.02
Statistical Significance
p<0.0001
Digital Object Identifier (DOI)
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