Meat Consumption and K-ras Mutations in Colon and Rectal Cancer
Author Information
Author(s): Brink M, Weijenberg M P, de Goeij A F P M, Roemen G M J M, Lentjes M H F M, de Bruïne A P, Goldbohm R A, van den Brandt P A
Primary Institution: Maastricht University
Hypothesis
Does high meat and fish consumption contribute to K-ras mutations in colorectal cancer?
Conclusion
The study found no significant associations between total fresh meat or fish consumption and the risk of colon or rectal cancer, but some weak associations were observed for specific types of meat with wild-type K-ras tumors.
Supporting Evidence
- Total fresh meat consumption was not associated with colon or rectal cancer risk.
- High consumption of beef was borderline positively associated with colon cancer risk.
- High consumption of pork was inversely associated with colon and rectal cancer risk.
Takeaway
Eating a lot of fresh meat and fish doesn't seem to cause colon or rectal cancer, but some types of meat might be linked to certain cancer types.
Methodology
The study analyzed meat and fish consumption in relation to K-ras mutations in 448 colon and 160 rectal cancer cases over 7.3 years of follow-up.
Potential Biases
Potential information bias due to dietary recall and selection bias minimized by the cohort design.
Limitations
The study excluded the first 2.3 years of follow-up due to incomplete data coverage.
Participant Demographics
The cohort included 58,279 men and 62,573 women aged 55-69 years at baseline.
Statistical Information
P-Value
0.06
Confidence Interval
95% CI 0.51–1.02
Statistical Significance
p<0.05
Digital Object Identifier (DOI)
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