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Chinese Journal of Ophthalmologic Medicine(Electronic Edition) ›› 2023, Vol. 13 ›› Issue (04): 226-230. doi: 10.3877/cma.j.issn.2095-2007.2023.04.007

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Progress in the epigenetics of thyroid associated ophthalmopathy

Ruiqi Zhang, Lijuan Zhang, Bin Sun()   

  1. Master′s degree 2020, First Clinical Colleage of Shanxi Medical University, Taiyuan 030001, China
    Second Department of Retina, Shanxi Eye Hospital, Taiyuan 030002, China
    Department of Orbital Ophthalmology, Shanxi Eye Hospital, Taiyuan 030002, China
  • Received:2023-01-14 Online:2023-08-28 Published:2023-11-21
  • Contact: Bin Sun

Abstract:

The occurrence and development of thyroid associated ophthalmopathy (TAO) is related to the differential gene expression caused by DNA methylation, non coding RNA regulation, microRNA (miRNA). The miRNA-155 and miRNA-146a participated in the pathological process by participating in immune inflammation and the proliferation and differentiation of adipose tissue. The expression of miRNA-21 was correlated with the activity and severity of TAO. The miRNA-130a and miRNA-27 play an important role in the adipogenic differentiation of TAO orbital fibroblasts and the proliferation of adipose tissue. The miRNA-199a-3p and 5p increased tissue oxidative stress and angiogenesis in orbital adipocytes of TAO patients. The expression of miRNA-183 and miRNA-96 was increased in peripheral blood CD4+ T cells of TAO patients, which regulate immunity to participate in the progression. The miRNA-29 inhibits cell fibrosis by restricting transforming growth factor-β1 Signal path. The miRNA-143 regulates the inflammatory response by directly targeting insulin like growth factor-1 receptor and indirectly reducing thyrotropin receptor and nucleotide oligomerization domain-like receptor thermal protein domain associated protein 3 levels. In addition, the epigenetic regulation of long chain non coding RNAs, circular RNAs, transfer RNA derived fragments, and histone modification inactivation are also related to the pathogenesis of TAO.

Key words: Thyroid associated ophthalmopathy, Epigenetics, DNA Methylation, Non-coding RNA, Histone modification

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