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  • Title: Associations between eNOS polymorphisms and susceptibility to Behcet's disease: a meta-analysis.
    Author: Lee YH, Song GG.
    Journal: J Eur Acad Dermatol Venereol; 2012 Oct; 26(10):1266-71. PubMed ID: 21957880.
    Abstract:
    OBJECTIVE: To determine whether endothelial nitric oxide synthase (eNOS) polymorphisms confer susceptibility to Behcet's disease (BD). METHODS: A meta-analysis was conducted on the associations between the G894T and 4b/a polymorphisms of eNOS and BD using: (i) the allele contrast, (ii) the recessive model, (iii) the dominant model and (iv) the additive model. RESULTS: A total of eight studies, which included 841 cases and 866 controls, were included in the meta-analysis. Meta-analysis of the G894T polymorphism revealed no association with BD in all study subjects or in Turkish and Asian populations. However, one Tunisian study of the T allele showed a significant association with BD (OR = 0.707, 95% CI = 0.510-0.980, P = 0.038), but the OR of the T allele among Tunisians was lower, whereas it was higher in Europeans (OR = 2.129, 95% CI = 1.407-3.220, P = 0.0003). Meta-analysis showed no association between BD and the 4b/a polymorphism in all study subjects. Stratification by ethnicity indicated no significant association between the a allele of the 4b/a polymorphism and BD in Turkish and Asian populations. CONCLUSIONS: This meta-analysis shows that the eNOS G894T and the 4b/a polymorphisms are not associated with BD in the Turkish and Asian populations. These data suggest that the G894T and the 4b/a polymorphisms may not confer susceptibility to BD in the Turkish and Asian populations.
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