Genetic Factors and Alcohol Use in Breast Cancer Risk for Korean Women
Author Information
Author(s): Lee K-M, Abel J, Ko Y, Harth V, Park W-Y, Seo J-S, Yoo K-Y, Choi J-Y, Shin A, Ahn S-H, Noh D-Y, Hirvonen A, Kang D
Primary Institution: Seoul National University College of Medicine
Hypothesis
Do CYP19 and CYP1B1 genetic polymorphisms influence breast cancer risk in Korean women?
Conclusion
The study found that CYP19 genotype and alcohol consumption significantly increase breast cancer risk in Korean women.
Supporting Evidence
- CYP19 Cys allele-containing genotypes showed a significantly increased risk of breast cancer (OR=1.5).
- Ever-drinking women with CYP19 Cys allele-containing genotypes had a 3.3-fold risk for breast cancer compared to never-drinking women.
- The study included 389 breast cancer cases and 346 controls, providing a substantial sample size for analysis.
Takeaway
This study looked at how certain genes and drinking alcohol can affect the chances of getting breast cancer in women from Korea.
Methodology
The study involved 389 breast cancer cases and 346 controls, with genotyping for CYP19 and CYP1B1 conducted using PCR methods.
Potential Biases
Potential biases may arise from the selection of controls and self-reported lifestyle factors.
Limitations
The study's findings may not be generalizable beyond the Korean population and require confirmation with larger sample sizes.
Participant Demographics
The study included Korean women aged 30 and above, with a focus on breast cancer cases and matched controls.
Statistical Information
P-Value
0.044
Confidence Interval
95% CI=1.1–2.2
Statistical Significance
p<0.05
Digital Object Identifier (DOI)
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