Histone demethylase JMJD3 regulates fibroblast-like synoviocyte-mediated proliferation and joint destruction in rheumatoid arthritis

FASEB Journal : Official Publication of the Federation of American Societies for Experimental Biology
Wanwan JiaYi Zhun Zhu

Abstract

Rheumatoid arthritis (RA) is an immune-mediated disease with the characteristics of progressive joint destruction, deformity, and disability. Epigenetic changes have been implicated in the development of some autoimmune disorders, resulting in an alteration of gene transcription. Here, we investigated how Jumonji C family of histone demethylases (JMJD3) regulated the proliferation and activation of fibroblast-like synoviocytes (FLSs), which are involved in RA joint destruction and pathologic process. The JMJD3 expression and proliferation markers in RA-FLS were higher than those in healthy-FLS and were upregulated in platelet-derived growth factor (PDGF)-induced FLS. Elevated JMJD3 promoted the proliferation and migration of FLS. Treatment with JMJD3 small interfering RNA or inhibitor glycogen synthase kinase (GSK) J4 led to decreased proliferation and migration of FLS. Interestingly, induction of proliferating cell nuclear antigen (PCNA), a major player of the cell-cycle regulation, was correlated with trimethylated lysine 27 in histone H3 loss around the gene promoters. The knockdown of JMJD3 abolished PCNA expression in PDGF-induced FLS and further inhibited cell proliferation and migration, suggesting that JMJD3/PCNA played...Continue Reading

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Citations

Aug 8, 2018·Clinical and Experimental Allergy : Journal of the British Society for Allergy and Clinical Immunology·Qijun YuXiaoning Zeng
Mar 19, 2019·International Journal of Immunogenetics·Sara Cristina Lobo-AlvesMaria Luiza Petzl-Erler
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Apr 1, 2019·Bioorganic & Medicinal Chemistry Letters·Pattaporn JaikhanTakayoshi Suzuki
Aug 27, 2021·Frontiers in Cell and Developmental Biology·Bei YinLing Ye

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