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Investigation of functional gene polymorphisms IL-1beta, IL-6, IL-10 and TNF-alpha in individuals with recurrent aphthous stomatitis



Investigation of functional gene polymorphisms IL-1beta, IL-6, IL-10 and TNF-alpha in individuals with recurrent aphthous stomatitis



Archives of Oral Biology 52(3): 268-272



Recurrent aphthous stomatitis (RAS) is characterized by recurrent episodes of oral ulceration in an otherwise healthy individual. Some reports in the literature indicate that RAS may have immunological, psychological, genetic and microbiological bases. The purpose of the present study was to investigate, using binary logistic regression analyses, a possible association between the functional IL-1beta +3954 (C/T), IL-6 -174 (G/C), IL-10 -1082 (G/A) and TNF-alpha -308 (G/A) genetic polymorphism and RAS in a sample of Brazilian patients, using a multivariate statistical analysis. Sixty-four consecutive subjects affected by minor and major forms of RAS and 64 healthy volunteers were genotyped. To investigate the association between the single nucleotide polymorphisms and risk of RAS, binary logistic regression models were fitted. The associations were expressed by odd ratios (ORs) and adjusted for age and gender, with the corresponding 95% CIs. P-values less than 0.05 were considered significant. A significant increase in the IL-1beta and TNF-alpha heterozygous genotypes were associated with an increased risk of RAS development (OR 2.40 and 3.07, respectively), in the multivariate model. Our findings demonstrate that polymorphisms of high IL-1beta and TNF-alpha production were associated with an increased risk of RAS development. Our findings also give additional support to a genetic basis for RAS pathogenesis.

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Accession: 049403186

Download citation: RISBibTeXText

PMID: 17052682

DOI: 10.1016/j.archoralbio.2006.08.008


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