期刊
GENETIC TESTING AND MOLECULAR BIOMARKERS
卷 15, 期 9, 页码 595-599出版社
MARY ANN LIEBERT INC
DOI: 10.1089/gtmb.2010.0260
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资金
- Sri Ramachandra University, Chennai
As genetic variation is thought to contribute to the etiology of oral cancer, microsomal epoxide hydrolase (EPHX1) was chosen as a candidate gene. This study thus sought to investigate possible genetic associations between the rs1051740, rs2292566, and rs2234922 polymorphisms of EPHX1 and oral cancer. Oral cancer patients (n = 157) and healthy control subjects (n = 132) were screened for the genotypes using TaqMan allelic discrimination. The associations between genotypes, alleles, and haplotypes of the three mutations and oral cancer were then analyzed using a case-control study. All the three single-nucleotide polymorphisms were polymorphic, with minor allele frequencies of 0.368, 0.249, and 0.232, respectively, for rs1051740, rs2292566, and rs2234922. None of the polymorphic sites deviated from Hardy-Weinberg equilibrium. There were no significant differences in genotype or allele frequencies of three single-nucleotide polymorphisms between controls and cases with oral cancer. Of the three studied polymorphisms, two were in strong linkage disequilibrium and formed one haplotype block. None of the haplotypes showed significant association with oral cancer. EPHX1 gene polymorphisms and haplotypes were not involved in the susceptibility to oral cancer in South Indian subjects.
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