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01-06-2018 | Original Research

DNMT3B −579 G>T Promoter Polymorphism and the Risk of Gastric Cancer in the West of Iran

Authors: Kulsom Ahmadi, Azam Soleimani, Shiva Irani, Aliasghar Kiani, Kourosh Ghanadi, Zahra Noormohamadi, Foroozan Sakinejad

Published in: Journal of Gastrointestinal Cancer | Issue 2/2018

Abstract

Background

Many studies have suggested that modulation of DNMT3B function caused by single nucleotide polymorphisms of the DNMT3B promoter region may underlie the susceptibility to various cancers such as tumors of the digestive system. The aim of this study was to investigate the effect of −579 G>T polymorphism in the promoter of the DNMT3B gene on risk of gastric cancer in a population from West Iran.

Patients and Methods

We conducted a case-control study in 100 gastric cancer patients and 112 cancer-free controls to assess the correlation between DNMT3B −579 G>T (rs1569686) polymorphism and the risk of gastric cancer. Detection of genotypes of DNMT3B G39179T polymorphism was analyzed by PCR-RFLP.

Results

There was no significant difference in the distribution of DNMT3B −579 G>T genotypes between the cases and controls. However, in the stratified analysis by clinicopathological characteristic types, we found that statistically, the risk susceptibility to gastric cancer was significantly associated with tumor grade II and GT/TT genotype of patients, compared to patients having GG genotype, (OR = 5.4737, 95% CI = 1.4746. 20.3184, P = 0.01).

Conclusions

Our study suggested that the −579 T allele may increase the relative risk for the progression of clinicopathological characteristic of tumor grade of gastric cancer patients.

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Title: DNMT3B −579 G>T Promoter Polymorphism and the Risk of Gastric Cancer in the West of Iran
Authors: Kulsom Ahmadi
Azam Soleimani
Shiva Irani
Aliasghar Kiani
Kourosh Ghanadi
Zahra Noormohamadi
Foroozan Sakinejad
Publication date: 01-06-2018
Publisher: Springer US
Published in: Journal of Gastrointestinal Cancer / Issue 2/2018
Print ISSN: 1941-6628
Electronic ISSN: 1941-6636
DOI: https://doi.org/10.1007/s12029-017-9928-7

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DNMT3B −579 G>T Promoter Polymorphism and the Risk of Gastric Cancer in the West of Iran

Abstract

Background

Patients and Methods

Results

Conclusions

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Abstract

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Conclusions

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