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Published on: August 21, 2016
Association of TNFSF4 polymorphisms with systemic lupus erythematosus: a meta-analysis
Man-Man Lu1, Wang-Dong Xu, Jie Yang
1Department of Epidemiology and Biostatistics, School of Public Health, Anhui Medical University, 81 Meishan Road, Hefei 230032, Anhui, People's Republic of China.
Introduction:
To more precisely estimate the association between the tumor necrosis factor ligand superfamily member 4 (TNFSF4) gene polymorphisms and systemic lupus erythematosus (SLE) risk, we surveyed studies on the association of the TNFSF4 rs2205960, rs1234315, rs844644, and rs844648 polymorphisms with SLE.
Methods:
A literature-based search was conducted to identify all relevant studies. A total of eight independent studies were identified and subsequently reviewed in the meta-analysis.
Results:
The meta-analysis showed an association between the TNFSF4 rs2205960 polymorphism and SLE in all subjects [ odds ratio (OR) 1.327, 95% confidence interval (CI) 1.227-1.436, P < 0.001]. In a subgroup analysis by ethnicity, a significantly increased risk for SLE was associated with TNFSF4 rs2205960 T allele among patients of European (OR 1.254, 95% CI 1.185-1.328, P < 0.001) and Asian ethnicity (OR 1.425, 95% CI 1.352-1.501, P < 0.001). The meta-analysis of the rs1234315 polymorphism revealed no association between SLE and the rs1234315 T allele in all subjects (OR 1.167, 95% CI 0.874-1.558, P = 0.296), but the results of the subgroup analysis revealed significant association in subjects of Asian ethnicity (OR 1.386, 95% CI 1.318-1.458, P < 0.001). No association was found between the rs844644 and rs844648 polymorphisms and SLE.
Conclusion:
The results of our meta-analysis suggest that the TNFSF4 rs2205960 polymorphism may confer susceptibility to SLE in different populations and that the TNFSF4 rs1234315 polymorphism is associated with susceptibility to SLE in Asians.
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