期刊
INTERNATIONAL JOURNAL OF CANCER
卷 114, 期 3, 页码 433-435出版社
WILEY
DOI: 10.1002/ijc.20747
关键词
CARD2/NOD; colorectal cancer
类别
Epidemiological observations suggest that cancer arises from chronically inflamed tissues. Inflammatory bowel disease (IBD) is a typical example since patients with longstanding IBD are at increased risk for development of colorectal cancer (CRC). Therefore, genetic factors predisposing to or implicated in the chronic inflammatory process in IBD may simultaneously predispose to CRC. Recently CARD15/NOD2 has been associated with IBD, which further strengthens the notion that the inflammatory response plays a crucial role in this disease. Several mutations have been identified in the CARD15/NOD2 gene, which appear with significantly higher frequency in patients with IBD. In this report, we have examined the frequency of the 3 major mutations R702W, G908R and 3020insC of the CARD2/NOD2 gene in a series of 104 consecutive Greek patients with sporadic colorectal cancer and 100 healthy individuals. The frequency of all the mutations was significantly elevated compared to the control population (R702W, OR=5.00, p=0.023; G908R, OR=2.78,p=0.025; 3020insC, OR=2.44,p=0.017). Patients with advanced stage tumors were more frequently carriers of at least ` variant in the CARD15/NOD2 gene (p=0.009). Our results suggest that CARD2/NOD2 may be a genetic factor that predispose to sporadic colorectal cancer. (C) 2005 Wiley-Liss, Inc.
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