Chen QB, Gao WQ, Deng ZF, Ou YG, Hu WJ, Liu Y, Yao PF, Wang LD, Li J. Association of the rs522616 single nucleotide polymorphism in the 5'-transcriptional regulatory region of the human matrix metalloproteinase-3 gene with susceptibility to esophageal squamous cell carcinoma.
Shijie Huaren Xiaohua Zazhi 2011;
19:3130-3136. [DOI:
10.11569/wcjd.v19.i30.3130]
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Abstract
AIM: To investigate the genetic association between a single nucleotide polymorphism [-774 rs522616 (A/G)] in the matrix metalloproteinase 3 gene and susceptibility to esophageal cancer.
METHODS: Genomic DNA was extracted from peripheral blood samples of sporadic cases of esophageal cancer in both Henan and Hubei, immigrants from an area of high incidence in Henan, and healthy controls in both Henan and Hubei. The rs522616 polymorphism was genotyped using PCR-RFLP, and genotyping results were analyzed using SPSS software.
RESULTS: The rs522616 (A/G) allele has three genotypes: GG, GA and AA. There were significant differences between healthy controls in Hubei and sporadic cases of esophageal cancer in Henan in genotypes GG and AA (P = 0.001, 0.003; OR = 4.249, 4.424); immigrants from an area of high incidence in Henan and healthy controls in genotype GG (P = 0.019, OR = 0.488); sporadic cases of esophageal cancer in Henan and sporadic cases of esophageal cancer in Hubei in genotypes GG and AA (P = 0.04, 0.001; OR = 1.926, 0.282); immigrants from an area of high incidence in Henan and sporadic cases of esophageal cancer in Henan in genotypes AG and AA (P = 0.024, 0.005; OR = 0.549, 2.311); and sporadic cases of esophageal cancer in Henan and healthy controls in Henan in genotypes AG and AA (P = 0.049, 0.005; OR = 1.65, 2.311). Moreover, there were significant differences between people in Hubei and those in Henan in genotype AA (P = 0.001, OR = 2.553), and between healthy controls (including healthy controls both in Henan and Hubei) and sporadic cases of esophageal cancer (including sporadic cases of esophageal cancer both in Henan and Hubei) in genotype AA (P = 0.001, OR = 2.152).
CONCLUSION: The single nucleotide polymorphism rs522616 in the transcriptional regulatory region of the human matrix metalloproteinase 3 gene is apparently associated with susceptibility to esophageal cancer.
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