TNF-alpha Gene Polymorphisms and Hepatitis B Virus Outcomes
Author Information
Author(s): Xia Qi, Zhou LinFu, Liu Dongcheng, Chen Zhi, Chen Feng
Primary Institution: State Key Laboratory of Infectious Disease Diagnosis and Treatment, College of Medicine, First Affiliated Hospital, Zhejiang University, Zhejiang, China
Hypothesis
The study investigates the relationship between TNF-alpha gene promoter polymorphisms and the outcomes of hepatitis B virus infections.
Conclusion
Polymorphisms -863 CC and -308 G in the TNF-alpha gene promoter may influence the risk of hepatitis B virus persistence and clearance.
Supporting Evidence
- The TNF-alpha -863 CC genotype was significantly associated with HBV clearance.
- Patients with the -308 GG genotype had a higher risk of HBV persistence.
- Ethnicity may influence the outcomes of HBV infection.
Takeaway
Some changes in a gene can affect how well your body fights off a virus like hepatitis B, making it harder or easier to get rid of it.
Methodology
A meta-analysis of 12 studies examining TNF-alpha promoter polymorphisms and their association with chronic hepatitis B infection and clearance.
Potential Biases
Potential publication bias was noted in some genotype comparisons.
Limitations
The study may not account for all ethnic variations and other confounding factors affecting HBV outcomes.
Participant Demographics
Participants included individuals from various ethnic backgrounds, including Chinese, Korean, Thai, Italian, Iranian, Brazilian, and German.
Statistical Information
P-Value
0.04 for -863 CC vs. AA; 0.01 for -308 GG vs. GA+AA
Confidence Interval
[0.42, 0.97] for -863 CC vs. AA; [1.08, 1.70] for -308 GG vs. GA+AA
Statistical Significance
p<0.05
Digital Object Identifier (DOI)
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