Genetic Factors and Colorectal Cancer Risk
Author Information
Author(s): Skjelbred Camilla F, Sæbø Mona, Nexø Bjørn A, Wallin Håkan, Hansteen Inger-Lise, Vogel Ulla, Kure Elin H
Primary Institution: Department of Laboratory Medicine, Telemark Hospital, Norway
Hypothesis
Is the haplotype encompassing genes of DNA repair and apoptosis associated with increased risk of colorectal adenomas and carcinomas?
Conclusion
The study found weak indications that certain genetic factors may influence the risk of colorectal cancer and adenoma development in women.
Supporting Evidence
- The ASE-1 polymorphism was associated with an increased risk of adenomas in women.
- The RAI polymorphism showed a trend towards risk reduction for adenomas and carcinomas in women.
- No significant association was found between the ERCC1 polymorphism and colorectal cancer risk.
Takeaway
This study looked at how certain genes might affect the chances of getting colorectal cancer, especially in women.
Methodology
A case-control study design was used with 156 carcinomas, 981 adenomas, and 399 controls, analyzing genetic polymorphisms.
Limitations
The study had a relatively small number of colorectal cancer cases, which limited the power to detect associations.
Participant Demographics
Participants were of Norwegian origin, aged 50-64 years, with a mix of urban and rural backgrounds.
Statistical Information
Confidence Interval
95% CI 1.06–1.81 for ASE-1 polymorphism
Digital Object Identifier (DOI)
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