TNF Polymorphisms and Gastric Cancer Risk
Author Information
Author(s): Gorouhi F, Islami F, Bahrami H, Kamangar F
Primary Institution: National Cancer Institute, National Institutes of Health
Hypothesis
The study investigates the association between TNF-A gene polymorphisms and gastric cancer risk.
Conclusion
The TNF-A –308AA genotype is associated with a statistically significant increased risk of gastric cancer, while other studied polymorphisms are not.
Supporting Evidence
- The overall odds ratios for TNF-A –308AA genotype showed a significant association with gastric cancer risk.
- Subgroup analyses indicated that the association was limited to western populations.
- Other polymorphisms studied did not show a statistically significant association with gastric cancer.
Takeaway
This study looked at how certain genes might affect the risk of getting stomach cancer. It found that one specific gene variant increases the risk, but others do not.
Methodology
The study is a meta-analysis of 24 independent studies examining the association between TNF-A polymorphisms and gastric cancer risk, using odds ratios and confidence intervals.
Potential Biases
There is a potential risk of bias due to the inclusion of studies with varying quality and control selection methods.
Limitations
The study may have limitations due to the variability in study designs and populations included in the meta-analysis.
Participant Demographics
The study included participants from both western and East Asian populations.
Statistical Information
P-Value
p<0.05
Confidence Interval
95% CIs
Statistical Significance
p<0.05
Digital Object Identifier (DOI)
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