Meta-analysis of TNF-α promoter -308A/G polymorphism and SLE susceptibility in Asian populations

Rheumatol Int. 2011 Aug;31(8):1055-64. doi: 10.1007/s00296-010-1392-7. Epub 2010 Mar 24.

Abstract

The aim of this study was to summarize results on the association of tumor necrosis factor-α (TNF-α) promoter -308A/G polymorphism with systemic lupus erythematosus (SLE) susceptibility in Asian populations by using the meta-analysis. We searched all the publications about the association between TNF-α promoter -308A/G polymorphism and SLE in Asian populations from PubMed, Elsevier Science Direct, Chinese Biomedical Literature Database (CBM), Chinese National Knowledge Infrastructure (CNKI), and Wanfang (Chinese). Meta-analysis was performed for genotypes AA versus GG, GA versus GG, AA versus GG + GA, GA + AA versus GG, and A allele versus G allele in a fixed/random effect model. A total of 12 studies (1017 cases and 1086 controls) were included in the current meta-analysis (Chinese, Japanese, and Thai). When all groups were pooled, a significant association of A allele and increased SLE risk was found (OR = 1.44, 95%CI = 1.04-2.01, P = 0.03). When analyses were restricted to more ethnically homogeneous populations, similar result was found in Chinese population (OR = 1.59, 95%CI = 1.12-2.26, P = 0.009). But the association between TNF-α promoter -308 polymorphism and SLE was not observed when examining the contrast of G/A + A/A versus G/G, A/A versus A/G + G/G, A/A versus G/G, and G/A versus G/G. This meta-analysis demonstrates the association between TNF-α promoter -308A/G polymorphism and SLE in Asian populations, especially in Chinese population.

Publication types

  • Meta-Analysis
  • Research Support, Non-U.S. Gov't

MeSH terms

  • Asian People
  • China / ethnology
  • Genetic Predisposition to Disease*
  • Humans
  • Lupus Erythematosus, Systemic / ethnology
  • Lupus Erythematosus, Systemic / genetics*
  • Polymorphism, Single Nucleotide*
  • Promoter Regions, Genetic
  • Risk Factors
  • Tumor Necrosis Factor-alpha / genetics*

Substances

  • Tumor Necrosis Factor-alpha