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HIF-1? -1790G>A polymorphism significantly increases the risk of digestive tract cancer: a meta-analysis.


ABSTRACT: To investigate the association between hypoxia-inducible factor-1? (HIF-1?) polymorphisms (-1772C>T and -1790G>A) and the risk of digestive tract cancer.A total of 13 eligible studies were retrieved from PubMed, EMBASE, and the China National Knowledge Infrastructure database. The odds ratios (ORs) and 95% confidence intervals (CIs) were calculated to estimate the strength of the associations.By pooling the eligible studies, we found that the HIF-1? -1772C>T polymorphism was not associated with the risk of developing digestive tract cancer (dominant comparison, OR: 1.156; 95%CI: 0.839-1.593; P heterogeneity = 0.007), and no significant association was found in the Asian population or the Caucasian population. However, for the -1790G>A polymorphism, carriers of the variant -1790A allele had a significantly increased risk of digestive tract cancer compared with those with the wildtype -1790G allele (dominant comparison, OR: 3.252; 95%CI: 1.661-6.368; P heterogeneity < 0.001). Additionally, this increased risk of digestive cancer was only detected in Asians; there was no significant association in Caucasians.This meta-analysis demonstrates that the HIF-1? -1790G>A polymorphism is associated with a significantly increased risk of digestive tract cancer, while the -1772C>T polymorphism is not.

SUBMITTER: Sun X 

PROVIDER: S-EPMC4316108 | biostudies-literature | 2015 Feb

REPOSITORIES: biostudies-literature

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HIF-1α -1790G>A polymorphism significantly increases the risk of digestive tract cancer: a meta-analysis.

Sun Xiao X   Liu Ying-Di YD   Gao Wei W   Shen Shao-Hua SH   Li Meng M  

World journal of gastroenterology 20150201 5


<h4>Aim</h4>To investigate the association between hypoxia-inducible factor-1α (HIF-1α) polymorphisms (-1772C>T and -1790G>A) and the risk of digestive tract cancer.<h4>Methods</h4>A total of 13 eligible studies were retrieved from PubMed, EMBASE, and the China National Knowledge Infrastructure database. The odds ratios (ORs) and 95% confidence intervals (CIs) were calculated to estimate the strength of the associations.<h4>Results</h4>By pooling the eligible studies, we found that the HIF-1α -1  ...[more]

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