No link between breast cancer risk and ITGB3 Leu33Pro genotype
Author Information
Author(s): Bojesen S E, Tybjærg-Hansen A, Axelsson C K, Nordestgaard B G
Primary Institution: Herlev University Hospital
Hypothesis
Does the ITGB3 Leu33Pro genotype increase the risk of invasive breast cancer?
Conclusion
The study found no increased risk of breast cancer associated with the ITGB3 Leu33Pro genotype.
Supporting Evidence
- Odds ratios for breast cancer in heterozygotes and homozygotes were not significantly different from noncarriers.
- Stratification for conventional risk factors did not show increased risk in any subgroup examined.
- Genotype distributions were in Hardy-Weinberg equilibrium.
Takeaway
The study looked at whether a specific gene change increases the chance of getting breast cancer, and it found that it doesn't.
Methodology
A case-control study comparing 1088 women with breast cancer to 4815 controls from the general population.
Potential Biases
Cases and controls were recruited from slightly different geographical locations, which could introduce bias.
Limitations
Data for controls were collected approximately 10 years earlier than for cases, which may distort risk estimations.
Participant Demographics
More than 97% of participants were white women of Danish descent.
Statistical Information
P-Value
0.06
Confidence Interval
0.8–1.1
Statistical Significance
p<0.05
Digital Object Identifier (DOI)
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