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  • Title: [Association between single-nucleotide polymorphisms of key genes in T regulatory cells signaling pathways and the efficacy of allergic rhinitis immune therapy].
    Author: Ruan Y, Zhang Y, Zhang L.
    Journal: Zhonghua Er Bi Yan Hou Tou Jing Wai Ke Za Zhi; 2016 Jan; 51(1):34-42. PubMed ID: 26791767.
    Abstract:
    OBJECTIVE: To investigate the genetic association pattern between single-nucleotide polymorphisms (SNP) of key genes in T regulatory cells signaling pathways and the efficacy of allergic rhinitis (AR) specific immune therapy(SIT). METHODS: A population of 102 AR patients(Beijing Tongren hospital, from January to Decemeber 2012) caused by simple dust mite received standardized specific immune therapy, who lived in Beijing region was recruited. In immunotherapy before and after 1 years of treatment, the study objects were scored by nasal symptoms score, nasal signs score and total score of daily life distress three indicators to assess the efficacy. A total of 43 reprehensive marker SNP which were in FOXP3, IL-2, TGF-βand EBI3 gene regions and the upstream and downstream 1 000 kb were selected according to the Beijing people database from Hapmap website. The individual genotyping was performed by MassARRAY platform.Plink software was used for statistic analysis. RESULTS: Subgroup analysis for the efficacy evaluation of three indicators displayed that IL-2_rs77468365, FOXP3(rs2280883, rs2232365 and rs3761548) were associated with the improvement of sneezing in nasal symptoms. IL-2_rs77468365, FOXP3(rs2280883, rs2232365 and rs3761548) were associated with the improvement of runny nose in nasal symptoms. TGF-β(rs747857, rs6508975, rs2241715, rs12462166, rs12983775, rs1800470 and rs2317130)and FOXP3(rs2280883, rs2232365 and rs3761548)were associated with the improvement of nasal obstruction in nasal symptoms. FOXP3(rs2280883, rs2232365 and rs3761548)were associated with the improvement of nasal itching in nasal symptoms. IL-2_rs77468365 and FOXP3(rs2280883, rs2232365 and rs3761548) were associated with the overall improvement in nasal symptoms. EBI3_rs670188 and FOXP3(rs2280883, rs2232365, rs3761549, rs3761548 and rs3761547) were associated with the improvement of inferior turbinate mucosa swelling in nasal signs. IL-2_rs77468365, EBI3_rs393581, TGF-β(rs11466359 and rs11466345), FOXP3(rs2280883, rs17847095, rs2232365 and rs3761548)were associated with the improvement of inferior turbinate mucosa color in nasal signs. EBI3(rs393581, rs4740 and rs353702), FOXP3(rs2280883, rs2232365 and rs3761548)were associated with the improvement of water discharge in nasal signs. IL-2_rs77468365, EBI3(rs393581, rs4740 and rs353702), FOXP3( rs2280883, rs2232365 and rs3761548)were associated with the overall improvement in nasal signs. TGF-β(rs12461895, rs2241717 and rs7258445), FOXP3(rs2280883, rs2232365, rs3761549, rs3761548 and rs3761547)were associated with the improvement of life puzzle. CONCLUSION: The genetic polymorphism (SNPs) of four important functional candidate genes( FOXP3, IL-2, TGF-βand EBI3) in T regulatory cells signaling pathways were detected in significant correlation with the efficacy of allergic rhinitis specific immune therapy.
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