Gene polymorphisms of interleukin-10 and transforming growth factor beta in allergic rhinitis

R. Nasiri; A. Hirbod-Mobarakeh; M. Movahedi; E. Farhadi; B. Ansaripour; A.A. Amirzargar; Nima Rezaei

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Gene polymorphisms of interleukin-10 and transforming growth factor beta in allergic rhinitis

R. Nasiri ^[1] ; A. Hirbod-Mobarakeh ^[4] ; M. Movahedi ^[2] ; E. Farhadi ^[3] ; B. Ansaripour ^[4] ; A.A. Amirzargar ^[4] ; N. Rezaei ^[4]
1. [1] Kurdistan University of Medical Sciences
  
  Kurdistan University of Medical Sciences
  
  Irán
2. [2] Tehran University of Medical Sciences
  
  Tehran University of Medical Sciences
  
  Irán
3. [3] Iran University of Medical Sciences
  
  Iran University of Medical Sciences
  
  Irán
4. [4] Universal Scientific Education and Research Network (USERN), Iran
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Localización: Allergologia et immunopathologia: International journal for clinical and investigate allergology and clinical immunology, ISSN-e 1578-1267, ISSN 0301-0546, Vol. 44, Nº. 2, 2016, págs. 125-130
Idioma: inglés
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Resumen
- Background Allergic rhinitis (AR) is a polygenic inflammatory disorder of the upper respiratory airway with an increasing prevalence worldwide. Interleukin-10 (IL-10) and transforming growth factor-beta (TGF-β), as two cytokines with pleiotropic effects on both innate and adaptive immunity, play important roles in allergic responses. Therefore, this study was performed to evaluate the associations of five polymorphisms of IL-10 and TGF-β genes with AR.
  
  Materials and methods Ninety-eight patients with AR along with 140 healthy volunteers with no history of AR and with the same ethnicity of the patients were recruited in this study. Genotyping was done for three polymorphisms in promoter region of IL-10 gene (rs1800896, rs1800871, rs1800872), and two polymorphisms in the exonic region of TGF-β1 gene (rs1982037, rs1800471) using PCR sequence-specific-primers method.
  
  Results A allele and AA genotype in rs1800896 of IL-10 and TT genotype in rs1982037 in TGF-β were significantly less frequent in the patients than in controls. While the C allele and the CG genotype in rs1800471 in TGF-β1 were associated with a higher susceptibility to AR. C/C and T/C haplotypes (rs1982037, rs1800471) in TGF-β1 gene and A/C/A, A/T/C and G/C/A haplotypes (rs1800896, rs1800871, rs1800872) in IL-10 gene were found with higher frequencies in patients than controls. Patients with CC genotype in rs1800871 in Il-10 had significantly lower levels of IgE.
  
  Conclusion We found that certain genetic variants in IL-10 and TGF-β polymorphisms were associated with susceptibility to AR as well as some clinical parameters in the patients with AR.