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TNF-? and IL10 polymorphisms interaction increases the risk of ankylosing spondylitis in Chinese Han population.

ABSTRACT: The target of this article was to reveal the role of tumor necrosis factors ? (TNF-?) and Interleukin-10 (IL10) gene polymorphisms in ankylosing spondylitis (AS) development and explore the interaction between these two gene polymorphisms.The genotyping of gene polymorphims was conducted using ABI Taqman assay method in 84 AS patients and 92 healthy people. Hardy-Weinberg equilibrium (HWE) was checked in the control group and the genotypes and alleles difference were compared with ?(2) test. Odds ratio (OR) with 95% confidence interval (CI) was calculated to identify the strength of association between gene polymorphism and disease. Meanwhile, multifactor dimensionality reduction (MDR) method was used to analysis the interaction between gene polymorphisms.The genotypes CG+CC of the minor allele in IL10 rs1878672 in cases was obviously higher frequency than the controls (P=0.03) and the minor allele C was also associated with the increased risk of AS, compared with G allele (OR=2.05, 95% CI=1.08-3.89). Rs3024490 in IL10 also showed a significant correlation to the onset risk of AS (GG vs. TT: OR=3.03, 95% CI=1.04-8.87; G vs. T: OR=1.70, 95% CI=1.08-2.68). What's more, there was the interaction between TNF-? rs3093662 and IL10 rs3021094, rs3024490 polymorphisms in AS.IL10 rs1878672 and rs3024490 polymorphisms obviously increase the susceptibility to AS, but not TNF-? rs3093662. Both IL10 and TNF-? polymorphisms may affect the onset of AS.

SUBMITTER: Wang NG

PROVIDER: S-EPMC4713653 | biostudies-literature | 2015

REPOSITORIES: biostudies-literature

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TNF-α and IL10 polymorphisms interaction increases the risk of ankylosing spondylitis in Chinese Han population.

Wang Nai-Guo NG Wang Da-Chuan DC Tan Bing-Yi BY Wang Feng F Yuan Ze-Nong ZN

International journal of clinical and experimental pathology 20151101 11

<h4>Aims</h4>The target of this article was to reveal the role of tumor necrosis factors α (TNF-α) and Interleukin-10 (IL10) gene polymorphisms in ankylosing spondylitis (AS) development and explore the interaction between these two gene polymorphisms.<h4>Methods</h4>The genotyping of gene polymorphims was conducted using ABI Taqman assay method in 84 AS patients and 92 healthy people. Hardy-Weinberg equilibrium (HWE) was checked in the control group and the genotypes and alleles difference were ...[more]

PMID: 26823867

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Project description:Ankylosing spondylitis (AS) is a chronic autoimmune inflammatory disease that mainly affects the axial and sacroiliac joints. Single-nucleotide polymorphisms (SNPs) in genes encoding cytokines have been associated with AS, which can interfere with the production of these cytokines and contribute to the development of AS. In order to contribute to a better understanding of the pathology of AS, our objective was to investigate a possible association of the IL10 -1082 A>G SNP (rs1800896) with AS and to evaluate the serum levels of TNF-α, IL-10, IL-17A, and IL-17F in AS patients and controls comparing them with their respective genotypes (TNF rs1800629, IL10 rs1800896, IL17A rs2275913, and IL17F rs763780). Patients and controls were selected from the Maringá University Hospital and the Maringá Rheumatism Clinic, in Paraná State, Southern Brazil, and they were diagnosed by the ASAS Criteria. In total, 149 patients and 169 controls were genotyped for the IL10 -1082 A>G polymorphism using a polymerase chain reaction with sequence specific primers (PCR-SSP); the measurement of TNF-α serum levels was performed through the immunofluorimetric test and IL-10, IL-17A, and IL-17F using an ELISA test. There was a high frequency of the IL10 -1082 G allele in AS patients compared with controls with an odds ratio of 1.83 and 95% confidence interval of 1.32 to 2.54, and a significant difference in the genotype frequencies of the IL10 -1082 A/G+G/G between patients and healthy controls, with an odds ratio of 3.01 and 95% confidence interval of 1.75 to 5.17. In addition, increased serum levels of IL-10 were observed in AS patients: 2.38 (IQR, 0.91) pg/ml compared with controls 1.72 (IQR 0.93) pg/ml (P = 0.01). Our results also showed an association between IL17F rs763780 C/T+T/T genotypes and increased serum levels of IL-17F in patients with AS and also in controls. We can conclude that patients with the A/G and G/G genotypes for -1082 A>G (rs1800896) in the IL10 gene are three times more likely to develop AS, that the serum level of IL-10 was higher in AS patients and that the IL17F rs763780 polymorphism can affect the levels of IL-17F in the serum of patients and controls in the same way.

Dataset Information

TNF-? and IL10 polymorphisms interaction increases the risk of ankylosing spondylitis in Chinese Han population.

Publications

TNF-α and IL10 polymorphisms interaction increases the risk of ankylosing spondylitis in Chinese Han population.

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