Effects of methylation of deiodinase 3 gene on gene expression and severity of Kashin-Beck disease.,Journal of Cellular Physiology

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Effects of methylation of deiodinase 3 gene on gene expression and severity of Kashin-Beck disease.
Journal of Cellular Physiology ( IF 5.6 ) Pub Date : 2020-05-27 , DOI: 10.1002/jcp.29809
Zhaofang Li ₁ , Di Zhang ₁ , Qiang Li ₁ , Xiaoli Yang ₁ , Rongqiang Zhang ₁ , Dandan Zhang ₁ , Xuena Yang ₁ , Chen Wang ₁ , Xiwang Tan ₁ , Yongmin Xiong ₁

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Kashin–Beck disease (KBD) is a complex endemic osteoarthropathy, which mainly occurs in the northeast to southwest China. Iodothyronine deiodinases 3 (DIO3) is one of the selenoproteins, which is closely related to bone metabolism and unclear to KBD. This study aims to investigate the role and associated mechanisms of methylation and expression of DIO3 with disease severity in patients with KBD. We performed a bioinformatics analysis first to identify the biological mechanisms involved in selenoproteins. The methylation status of the DIO3 gene and DIO3 gene expression, as well as DIO3‐related regulatory genes in patients with KBD, were analyzed. We found that 15 CpG sites of six selenoproteins were hypomethylated with 5‐azacytidine treatment. DIO3 hypermethylation was associated with an increased risk of KBD and may lead to downregulation of DIO3 gene expression as well as be an indicator of the severity of KBD, which may provide a new insight for gene–environment correlations and interactions in etiology and pathogenesis of KBD.

更新日期：2020-05-27

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