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Erschienen in: Clinical Rheumatology 8/2019

21.03.2019 | Original Article

Ankylosing spondylitis is associated with aberrant DNA methylation of IFN regulatory factor 8 gene promoter region

verfasst von: Mengya Chen, Meng Wu, Xingxing Hu, Jiajia Yang, Renfang Han, Yubo Ma, Xu Zhang, Yaping Yuan, Rui Liu, Guangming Jiang, Shengqian Xu, Jianhua Xu, Zongwen Shuai, Faming Pan

Erschienen in: Clinical Rheumatology | Ausgabe 8/2019

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Abstract

Objectives

To investigate the role of methylation levels of the IFN regulatory factor 8 (IRF8) gene promoter in the development of ankylosing spondylitis (AS).

Methods

In this study, we compared the methylation levels of the IRF8 gene promoter between 99 AS patients and 99 healthy controls using MethylTarget approach. Quantitative real-time reverse transcription-polymerase chain reaction (qRT-PCR) was performed to compare the mRNA levels of the IRF8 gene in the other 19 AS patients and 19 healthy controls.

Results

Differential methylation was found in 91 CpG sites of the IRF8 gene promoter, and 4 CpG regions were highly methylated in AS patients compared to healthy controls (p < 0.05). In the verification stage, we found that the mRNA levels of the IRF8 gene in AS patients were significantly lower than that in controls (AS 0.77 (0.39–1.74), P = 0.038). Positive correlations between methylation of the IRF8 gene and the duration of disease, BASFI, and ESR were observed in AS patients.

Conclusions

We found a significant hypermethylation of the IRF8 gene promoter and a downregulation of the mRNA levels of the IRF8 gene in AS patients. This suggests that aberrant methylation of the IRF8 gene promoter may probably contribute to the development and pathogenesis of AS through regulating the expression of mRNA.
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Metadaten
Titel
Ankylosing spondylitis is associated with aberrant DNA methylation of IFN regulatory factor 8 gene promoter region
verfasst von
Mengya Chen
Meng Wu
Xingxing Hu
Jiajia Yang
Renfang Han
Yubo Ma
Xu Zhang
Yaping Yuan
Rui Liu
Guangming Jiang
Shengqian Xu
Jianhua Xu
Zongwen Shuai
Faming Pan
Publikationsdatum
21.03.2019
Verlag
Springer London
Erschienen in
Clinical Rheumatology / Ausgabe 8/2019
Print ISSN: 0770-3198
Elektronische ISSN: 1434-9949
DOI
https://doi.org/10.1007/s10067-019-04505-5

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