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Hoffmann, R. A wiki for the life sciences where authorship matters. Nature Genetics (2008)

Caspase recruitment domain-containing protein 15 mutations in patients with colorectal cancer.

The caspase recruitment domain-containing protein 15 (CARD15) plays a crucial role in mediating the innate immune response. Mutations within this protein have been shown to be independent risk factors for the development of Crohn's disease in Caucasians. As Crohn's disease patients are at increased risk of developing sporadic colorectal cancer, it is conceivable that genetic variability within CARD15 may also play a role in determining susceptibility to this gastrointestinal malignancy in individuals without Crohn's disease. This hypothesis is supported by the findings of two case-control studies that found the frequencies of CARD15 mutations were significantly elevated in Polish and Greek colorectal cancer patients. Given the results of these previous studies, we examined whether the high incidence of sporadic colorectal cancer observed in New Zealand Caucasians was due to mutations within CARD15. To answer this question, we genotyped 133 colorectal cancer patients and 201 Caucasian controls for R702W, G908R, 1007fs, and P268S. Chi(2) Testing found that the combined frequency of R702W, G908R, and 1007fs was significantly elevated in colorectal cancer patients compared with controls (P = 0.001; odds ratio, 2.8; 95% confidence interval, 1.5-5.4), but no association was detected between tumor behavior or age of disease onset and CARD15 mutations in our colorectal cancer cohort. This study is the first to explore the link between CARD15 mutations and colorectal cancer in New Zealand Caucasians. Our results strongly suggest that CARD15 influences susceptibility to colorectal cancer, but we have found no evidence to indicate that CARD15 mutations predict the clinicopathologic characteristics of this disease.[1]


  1. Caspase recruitment domain-containing protein 15 mutations in patients with colorectal cancer. Roberts, R.L., Gearry, R.B., Allington, M.D., Morrin, H.R., Robinson, B.A., Frizelle, F.A. Cancer Res. (2006) [Pubmed]
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