期刊
BIRTH DEFECTS RESEARCH PART A-CLINICAL AND MOLECULAR TERATOLOGY
卷 94, 期 11, 页码 943-950出版社
WILEY
DOI: 10.1002/bdra.23056
关键词
NSCL; P; DVL2; AXIN2; WNT pathway; polymorphism
资金
- Polish Ministry of Science and Higher Education [IP2010 027370]
BACKGROUND: Nonsyndromic cleft lip with or without cleft palate (NSCL/P) is one of the most common congenital anomalies, with a complex and still not fully understood etiology. Given the important role of the Wnt/beta-catenin pathway during craniofacial development, we decided to test the hypothesis that common polymorphic variants of the genes encoding crucial components of this signaling pathway might contribute to the risk of NSCL/P in the Polish population. METHODS: A set of 19 single nucleotide polymorphisms (SNPs) in the APC, AXIN1, AXIN2, CTNNB1, DVL2, and GSK-3 beta genes were analyzed using restriction fragment length polymorphism and high-resolution melting curve methods in a group of 280 patients with NSCL/P and a properly matched control group (n = 330). RESULTS: Both single-marker and haplotype analyses showed an association between SNPs in the DVL2 gene and the risk for NSCL/P. The strongest association was found under an overdominant model for the rs35594616 variant located in the exonic sequence of DVL2 (odds ratio [OR], 1.90; 95% confidence interval [CI], 1.372.62; p < 0.0001). Moreover, the gene-gene interaction analysis revealed a significant epistatic interaction between DVL2 gene SNPs in the susceptibility to orofacial clefts. Borderline association with a decreased risk of NSCL/P was also observed for the AXIN2 rs3923087 variant (dominant model OR, 0.69; 95% CI, 0.500.95; p = 0.03). CONCLUSION: This study suggests that polymorphic variants of the Wnt/beta-catenin pathway genes have a role in the susceptibility to orofacial clefts. The DVL2 and AXIN2 genes might be candidate genes for this craniofacial anomaly in the Polish population. Birth Defects Research (Part A), 2012. (c) 2012 Wiley Periodicals, Inc.
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