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  • Title: [CDH1 polymorphism and its association with the risk of cervical cancer].
    Author: Zhou RM, Wang N, Sun DL, Duan YN, Li Y.
    Journal: Zhonghua Fu Chan Ke Za Zhi; 2009 Jan; 44(1):56-9. PubMed ID: 19563064.
    Abstract:
    OBJECTIVE: To investigate the effect of CDH1 3'-UTR + 54C/T single nucleotide polymorphism (SNP) on expression of luciferase reporter gene and its association with susceptibility to cervical cancer. METHODS: The luciferase gene expression vectors containing CDH1 3'-UTR+54C/T SNP C or T allelotype were constructed. The effect of CDH1 3'-UTR+54C/T SNP on expression of luciferase reporter gene in 293 T cells were tested by daul luciferase reporter assay system. The CDH1 3'-UTR+54C/T SNP was genotyped by polymerase chain reaction-restriction fragment length polymorphism (PCR-RFLP) analysis in 280 cervical cancer patients and 330 healthy controls. RESULTS: The luciferase activity analysis showed that the relative luciferase activity (RLA) of 293T cells with C allelotype was 1.46, which was significantly lower than that of the 293 T cells with T allelotype (3.01; t = 2.94, P = 0.042). There was no significant difference in age distribution between the cervical cancer patients and the healthy controls. The genotype frequency distribution of CDH1 3'-UTR+54C/T SNP in healthy controls did not significantly differ from that expected by Hardy-Weinberg equilibrium (P > 0.05). The C allelotype frequency of CDH1 in cervical cancer patients was 80.%, which was significantly higher than that in healthy controls (74.5%; chi2 = 6.59, P = 0.010). The T/T, T/C and C/C genotype frequencies of cervical cancer patients and healthy controls were 4.3%, 30.0%, 65.7% and 5.8%, 39.4%, 54.8%, respectively, which were significantly different (chi2 = 7.45, P = 0.024). Compared with individuals with T/T or T/C genotype, individuals with C/C genotype had significantly higher risks of developing cervical cancer (OR = 1.578, 95% CI = 1.136 - 2.191). CONCLUSION: The C allelotype of CDH1 3'-UTR + 54C/T SNP might decrease the expression of luciferase reporter gene and the C/C genotype might be a potential risk for cervical cancer development
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