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AIM:To investigate the associations between CDH1 gene polymorphisms and gastric cancer(GC) risk predisposition.METHODS:We analyzed four CDH1 polymorphisms(+54 T>C,-160 C>A,-616 G>C,-3159 T>C) in an Omani population,by extraction of genomic DNA from the peripheral blood of 192 patients with GC and 170 control participants and performed CDH1 genotyping using DNA sequencing.RESULTS:CDH1-160-AA genotype was associated with an increased risk of GC(OR = 3.6,95% CI:1.1-11.8)(P = 0.03).There was no significant association between the other polymorphisms and GC risk.The haplotype analysis of +54 T>C,-160 C>A,-616 G>C,-3159 T>C genotypes revealed that the OR of CCGC and CAGC haplotypes was 1.5(95% CI:0.7-3.5) and 1.5(95% CI:0.2-3.0),but did not reach statistical significance.CONCLUSION:The current study suggests that the-160 AA genotype was associated with an increased risk of GC in Oman.
AIM: To investigate the associations between CDH1 gene polymorphisms and gastric cancer (GC) risk predisposition. METHODS: We analyzed four CDH1 polymorphisms (+54 T> C, -160 C> A, -616 G> C, -3159 T> C ) in an Omani population, by extraction of genomic DNA from the peripheral blood of 192 patients with GC and 170 control participants and performed CDH1 genotyping using DNA sequencing. RESULTS: CDH1-160-AA genotype was associated with an increased risk of GC (OR = 3.6, 95% CI: 1.1-11.8) (P = 0.03). There was no significant association between the other polymorphisms and GC risk. The haplotype analysis of +54 T> C, -160 C> A, -616 G> C, -3159 T> C genotypes revealed that the OR of CCGC and CAGC haplotypes was 1.5 (95% CI: 0.7-3.5) and 1.5 (95% CI: 0.2-3.0), but did not reach statistical significance. CONCLUSION: The current study suggests that the-160 AA genotype was associated with an increased risk of GC in Oman.