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  • Title: Association between lymphotoxin-α intron +252 polymorphism and sepsis: a meta-analysis.
    Author: Tiancha H, Huiqin W, Jiyong J, Jingfen J, Wei C.
    Journal: Scand J Infect Dis; 2011 Jul; 43(6-7):436-47. PubMed ID: 21366408.
    Abstract:
    BACKGROUND: We evaluated the association of lymphotoxin-α (LTA, also known as tumour necrosis factor-β) promoter +252 A/G polymorphism with sepsis. METHODS: A systematic search was performed in MEDLINE, EMBASE, and Web of Science (for the period January 1966 to June 2010). Two reviewers independently selected studies on the genetic association of LTA +252 A/G polymorphism with sepsis and independently extracted data onto standardized forms. RESULTS: Twenty-seven studies with 4399 septic patients were included based on predefined inclusion criteria. As compared to AG + GG, the LTA AA genotype was significantly associated with an increased development of sepsis in the overall population (odds ratio (OR) 1.33, 95% confidence interval (CI) 1.09-1.62; p = 0.006). An association between mortality from sepsis and AA genotype was also found in the overall population (OR 1.89, 95% CI 1.27-2.80; p = 0.002). Stratification by ethnicity indicated that the contribution to both sepsis susceptibility and mortality may be stronger in Caucasians (OR 1.44, 95% CI 1.08-1.91 and OR 2.47, 95% CI 1.52-4.00, respectively) than in other ethnicities. CONCLUSIONS: The LTA +252 A/G polymorphism is associated with both susceptibility to and mortality from sepsis.
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