Araki Yasuto, Mimura Toshihide
Department of Rheumatology and Applied Immunology, Faculty of Medicine, Saitama Medical University, Saitama 350-0495, Japan.
Project Research Division, Research Center for Genomic Medicine, Saitama Medical University, Saitama 350-0495, Japan.
Int J Mol Sci. 2017 Apr 25;18(5):905. doi: 10.3390/ijms18050905.
Matrix metalloproteinases (MMPs) are implicated in the degradation of extracellular matrix (ECM). Rheumatoid arthritis (RA) synovial fibroblasts (SFs) produce matrix-degrading enzymes, including MMPs, which facilitate cartilage destruction in the affected joints in RA. Epigenetic mechanisms contribute to change in the chromatin state, resulting in an alteration of gene transcription. Recently, MMP gene activation has been shown to be caused in RASFs by the dysregulation of epigenetic changes, such as histone modifications, DNA methylation, and microRNA (miRNA) signaling. In this paper, we review the role of MMPs in the pathogenesis of RA as well as the disordered epigenetic mechanisms regulating MMP gene activation in RASFs.
基质金属蛋白酶(MMPs)与细胞外基质(ECM)的降解有关。类风湿关节炎(RA)滑膜成纤维细胞(SFs)产生包括MMPs在内的基质降解酶,这些酶促进RA患者受累关节中的软骨破坏。表观遗传机制导致染色质状态改变,进而引起基因转录改变。最近研究表明,RA滑膜成纤维细胞(RASFs)中MMP基因的激活是由表观遗传变化失调引起的,如组蛋白修饰、DNA甲基化和微小RNA(miRNA)信号传导。在本文中,我们综述了MMPs在RA发病机制中的作用以及调节RASFs中MMP基因激活的表观遗传机制紊乱情况。
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