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Tumor necrosis factor-α-308 G/A polymorphisms and risk of hepatocellular carcinoma: A meta-analysis
Authors
S. Sali
S. Tavakolpour
Publication date
1 January 2016
Publisher
Abstract
Context: Hepatocellular carcinoma (HCC) is a common disorder throughout the world that can develop due to various factors, including genetics. Tumor necrosis factor- α (TNF- α) is the most frequently studied cytokine related to the risk of developing HCC, and an association between the 308 position of the TNF-α promoter (TNF- α -308) andHCCrisk has been confirmed in various reports. Evidence Acquisition: The PubMed, Scopus, and Google Scholar databases were searched through July 12, 2015, for studies on associations between TNF-₋₃₀₈ and the risk of HCC. To determine this association, odds ratios (ORs) and 95 confidence intervals (95 CIs) were calculated. Results: A total of 23 case-control studies were investigated, involving 3,389 cases and 4,235 controls. The overall conclusion was that the A allele was more frequent in case groups compared to control groups (13.4 vs. 8.4). Thus, the A allele was significantly associated with increased HCC risk (OR = 1.77; 95 CI = 1.26-2.50; P value < 0.002). In addition to the allelic model, the dominant model (AA +AGvs. GG) was significantly associated withHCCrisk (OR = 1.80; CI = 1.29-2.51; P value< 0.001). In the sensitivity analysis for co-dominant (AA vs. GG) and recessive models (AA vs. AG + GG), no trustworthy associations with the risk of HCC development were observed. Conclusions: This meta-analysis indicated that the TNF- α -308 G/A polymorphism is significantly associated with increased susceptibility to HCC. However, to confirm this finding, more studies are needed on TNF- α -308 G/A polymorphisms associated with HCC. © 2016, Kowsar Corp
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eprints Iran University of Medical Sciences
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oai:eprints.iums.ac.ir:3722
Last time updated on 10/10/2019