Interleukin 10 and transforming growth factor beta 1 gene polymorphisms in juvenile idiopathic arthritis

The aim of this study is to identify the associations between interleukin 10 (IL-10) and transforming growth factor beta 1 (TGF-β1) gene polymorphisms and individual susceptibility to juvenile idiopathic arthritis (JIA) in a group of Iranian patients. Cytokine genes, including IL-10 and TGF-β1, are...

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Veröffentlicht in:Bratislava Medical Journal 2016, Vol.117 (5), p.258-262
Hauptverfasser: Harsini, S, Ziaee, V, Maddah, M, Rezaei, A, Sadr, M, Zoghi, S, Moradinejad, M H, Tahghighi, F, Aghighi, Y, Rezaei, N
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Sprache:eng
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Zusammenfassung:The aim of this study is to identify the associations between interleukin 10 (IL-10) and transforming growth factor beta 1 (TGF-β1) gene polymorphisms and individual susceptibility to juvenile idiopathic arthritis (JIA) in a group of Iranian patients. Cytokine genes, including IL-10 and TGF-β1, are known to play important roles in the pathogenesis of JIA. Using polymerase chain reaction with sequence-specific primers method, the frequency of alleles, genotypes and haplotypes of IL-10 (positions -1082, -819, -592) and TGF-β1 (codon 10, codon 25) single-nucleotide polymorphisms (SNPs) were investigated in 55 patients with JIA as a case group and compared with 140 healthy unrelated controls. The G allele was significantly less frequent at TGF-β1 codon 25 in patients with JIA than in the controls (p < 0.01). The frequency of CT genotype at TGF-β1 codon 10 was found to be higher in healthy individuals in comparison with that in patients group (p = 0.04). We observed no differences in the frequency of alleles, genotypes and haplotypes of IL-10 gene between the groups of patients and controls. Considering the low frequency of existence of TGF-β1 G allele at codon 25 as well as TGF-β1 CT genotype at codon 10 in patients with JIA, it seems that these cytokine gene polymorphisms could play role as the protective factors against JIA.
ISSN:0006-9248
1336-0345
1336-0345
DOI:10.4149/BLL_2016_050