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Genetic Variants in Frizzled-Related Protein (FRZB) and the Risk of Colorectal Neoplasia

Sonja I. Berndt, Wen-Yi Huang, Meredith Yeager, Joel L. Weissfeld, Stephen J. Chanock and Richard B. Hayes
Cancer Causes & Control
Vol. 20, No. 4 (May, 2009), pp. 487-490
Published by: Springer
Stable URL: http://www.jstor.org/stable/40272008
Page Count: 4
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Genetic Variants in Frizzled-Related Protein (FRZB) and the Risk of Colorectal Neoplasia
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Abstract

Objective The Wnt/APC/ß-catenin signaling pathway, which includes frizzled-related protein (FRZB), plays a critical role in the development of colorectal cancer, and recent evidence suggests that the functional polymorphism, FRZB Arg324Gly, may be associated with risk for this disease. To determine if this finding could be replicated, we investigated the association between two FRZB polymorphisms (Arg324Gly and Arg200Trp) and the risk of colorectal adenoma and cancer in nested case-control studies. Methods Participants consisted of 1,709 adenoma cases, 620 cancer cases, and 1,849 controls within the Prostate, Lung, Colorectal, and Ovarian (PLCO) Cancer Screening Trial. Logistic regression was used to estimate odds ratios (ORs) and 95% confidence intervals (95% CI) for the associations with colorectal neoplasia. Results No association was observed for either polymorphism or any haplotypes with colorectal adenoma or colorectal cancer (p > 0.05 for all). Conclusion Our study does not support the previously observed association between the FRZB 324Gly variant and colorectal cancer risk. However, further study of additional genetic variants within this pathway is still warranted, given the important role of the Wnt signaling pathway in colorectal carcinogenesis.

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